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"
18 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
22 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
26 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
30 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
32 config SYS_SUPPORTS_32BIT_KERNEL
34 config SYS_SUPPORTS_64BIT_KERNEL
36 config CPU_SUPPORTS_32BIT_KERNEL
38 config CPU_SUPPORTS_64BIT_KERNEL
45 prompt "Kernel code model"
47 You should only select this option if you have a workload that
48 actually benefits from 64-bit processing or if your machine has
49 large memory. You will only be presented a single option in this
50 menu if your system does not support both 32-bit and 64-bit kernels.
54 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
57 Select this option if you want to build a 32-bit kernel.
61 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
63 Select this option if you want to build a 64-bit kernel.
69 menu "Machine selection"
72 bool "Support for the Jazz family of machines"
75 select ARCH_MAY_HAVE_PC_FDC
76 select GENERIC_ISA_DMA
79 select SYS_SUPPORTS_32BIT_KERNEL
80 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
82 This a family of machines based on the MIPS R4030 chipset which was
83 used by several vendors to build RISC/os and Windows NT workstations.
84 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
85 Olivetti M700-10 workstations.
88 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
89 depends on MACH_JAZZ && EXPERIMENTAL
90 select DMA_NONCOHERENT
92 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
93 kernel that runs on these, say Y here. For details about Linux on
94 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
95 <http://www.linux-mips.org/>.
97 config MIPS_MAGNUM_4000
98 bool "Support for MIPS Magnum 4000"
100 select DMA_NONCOHERENT
102 This is a machine with a R4000 100 MHz CPU. To compile a Linux
103 kernel that runs on these, say Y here. For details about Linux on
104 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
105 <http://www.linux-mips.org/>.
108 bool "Support for Olivetti M700-10"
110 select DMA_NONCOHERENT
112 This is a machine with a R4000 100 MHz CPU. To compile a Linux
113 kernel that runs on these, say Y here. For details about Linux on
114 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
115 <http://www.linux-mips.org/>.
118 bool "Support for NEC VR4100 series based machines"
119 select SYS_SUPPORTS_32BIT_KERNEL
120 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
123 bool "Support for NEC CMB-VR4133"
124 depends on MACH_VR41XX
126 select DMA_NONCOHERENT
131 bool "Support for Rockhopper baseboard"
132 depends on NEC_CMBVR4133
134 select HAVE_STD_PC_SERIAL_PORT
137 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
138 depends on MACH_VR41XX
139 select CPU_LITTLE_ENDIAN
140 select DMA_NONCOHERENT
145 bool "Support for IBM WorkPad z50"
146 depends on MACH_VR41XX
147 select CPU_LITTLE_ENDIAN
148 select DMA_NONCOHERENT
153 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
154 depends on MACH_VR41XX
155 select CPU_LITTLE_ENDIAN
156 select DMA_NONCOHERENT
160 The TANBAC VR4131 multichip module(TB0225) and
161 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
162 manufactured by TANBAC.
163 Please refer to <http://www.tanbac.co.jp/>
164 about VR4131 multichip module and VR4131DIMM.
167 bool "Support for TANBAC Mbase(TB0226)"
168 depends on TANBAC_TB022X
171 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
172 Please refer to <http://www.tanbac.co.jp/> about Mbase.
175 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
176 depends on TANBAC_TB022X
178 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
179 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
182 bool "Support for Victor MP-C303/304"
183 depends on MACH_VR41XX
184 select CPU_LITTLE_ENDIAN
185 select DMA_NONCOHERENT
190 bool "Support for ZAO Networks Capcella"
191 depends on MACH_VR41XX
192 select CPU_LITTLE_ENDIAN
193 select DMA_NONCOHERENT
198 bool "Add PCI control unit support of NEC VR4100 series"
199 depends on MACH_VR41XX && HW_HAS_PCI
204 tristate "Add NEC VRC4173 companion chip support"
205 depends on MACH_VR41XX && PCI_VR41XX
207 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
209 config TOSHIBA_JMR3927
210 bool "Support for Toshiba JMR-TX3927 board"
211 select DMA_NONCOHERENT
214 select SYS_SUPPORTS_32BIT_KERNEL
217 bool "Support for Cobalt Server"
218 depends on EXPERIMENTAL
219 select DMA_NONCOHERENT
223 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
226 config MACH_DECSTATION
227 bool "Support for DECstations"
229 select DMA_NONCOHERENT
232 select SYS_SUPPORTS_32BIT_KERNEL
233 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
235 This enables support for DEC's MIPS based workstations. For details
236 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
237 DECstation porting pages on <http://decstation.unix-ag.org/>.
239 If you have one of the following DECstation Models you definitely
240 want to choose R4xx0 for the CPU Type:
247 otherwise choose R3000.
250 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
251 depends on EXPERIMENTAL
252 select DMA_NONCOHERENT
256 select SYS_SUPPORTS_32BIT_KERNEL
257 select SYS_SUPPORTS_64BIT_KERNEL
259 This is an evaluation board based on the Galileo GT-64120
260 single-chip system controller that contains a MIPS R5000 compatible
261 core running at 75/100MHz. Their website is located at
262 <http://www.marvell.com/>. Say Y here if you wish to build a
263 kernel for this platform.
266 bool "Enable Second PCI (PCI1)"
267 depends on MIPS_EV64120
270 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
271 depends on EXPERIMENTAL
272 select DMA_NONCOHERENT
276 select RM7000_CPU_SCACHE
278 select SYS_SUPPORTS_32BIT_KERNEL
279 select SYS_SUPPORTS_64BIT_KERNEL
281 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
282 communications controllers containing a MIPS R5000 compatible core
283 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
284 here if you wish to build a kernel for this platform.
287 bool "Support for Globespan IVR board"
288 select DMA_NONCOHERENT
290 select SYS_SUPPORTS_32BIT_KERNEL
291 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
293 This is an evaluation board built by Globespan to showcase thir
294 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
295 R5000 MIPS core. More information can be found out their website
296 located at <http://www.globespan.net/>. Say Y here if you wish to
297 build a kernel for this platform.
300 bool "Support for LASAT Networks platforms"
301 select DMA_NONCOHERENT
304 select R5000_CPU_SCACHE
305 select SYS_SUPPORTS_32BIT_KERNEL
306 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
309 tristate "PICVUE LCD display driver"
313 tristate "PICVUE LCD display driver /proc interface"
317 bool "DS1603 RTC driver"
321 bool "LASAT sysctl interface"
325 bool "Support for ITE 8172G board"
326 select DMA_NONCOHERENT
328 select SYS_SUPPORTS_32BIT_KERNEL
329 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
331 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
332 with ATX form factor that utilizes a MIPS R5000 to work with its
333 ITE8172G companion internet appliance chip. The MIPS core can be
334 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
335 a kernel for this platform.
338 bool "Support for older IT8172 (Rev C)"
339 depends on MIPS_ITE8172
341 Say Y here to support the older, Revision C version of the Integrated
342 Technology Express, Inc. ITE8172 SBC. Vendor page at
343 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
344 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
347 bool "Support for MIPS Atlas board"
349 select DMA_NONCOHERENT
352 select RM7000_CPU_SCACHE
354 select SYS_SUPPORTS_32BIT_KERNEL
355 select SYS_SUPPORTS_64BIT_KERNEL
357 This enables support for the MIPS Technologies Atlas evaluation
361 bool "Support for MIPS Malta board"
362 select ARCH_MAY_HAVE_PC_FDC
364 select HAVE_STD_PC_SERIAL_PORT
365 select DMA_NONCOHERENT
367 select GENERIC_ISA_DMA
372 select SYS_SUPPORTS_32BIT_KERNEL
373 select SYS_SUPPORTS_64BIT_KERNEL
375 This enables support for the MIPS Technologies Malta evaluation
379 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
380 depends on EXPERIMENTAL
382 select DMA_NONCOHERENT
383 select SYS_SUPPORTS_32BIT_KERNEL
384 select SYS_SUPPORTS_64BIT_KERNEL
386 This enables support for the MIPS Technologies SEAD evaluation
389 config MOMENCO_OCELOT
390 bool "Support for Momentum Ocelot board"
391 select DMA_NONCOHERENT
396 select RM7000_CPU_SCACHE
398 select SYS_SUPPORTS_32BIT_KERNEL
399 select SYS_SUPPORTS_64BIT_KERNEL
401 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
402 Momentum Computer <http://www.momenco.com/>.
404 config MOMENCO_OCELOT_G
405 bool "Support for Momentum Ocelot-G board"
406 select DMA_NONCOHERENT
411 select RM7000_CPU_SCACHE
413 select SYS_SUPPORTS_32BIT_KERNEL
414 select SYS_SUPPORTS_64BIT_KERNEL
416 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
417 Momentum Computer <http://www.momenco.com/>.
419 config MOMENCO_OCELOT_C
420 bool "Support for Momentum Ocelot-C board"
421 select DMA_NONCOHERENT
426 select RM7000_CPU_SCACHE
428 select SYS_SUPPORTS_32BIT_KERNEL
429 select SYS_SUPPORTS_64BIT_KERNEL
431 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
432 Momentum Computer <http://www.momenco.com/>.
434 config MOMENCO_OCELOT_3
435 bool "Support for Momentum Ocelot-3 board"
437 select DMA_NONCOHERENT
443 select RM7000_CPU_SCACHE
445 select SYS_SUPPORTS_32BIT_KERNEL
446 select SYS_SUPPORTS_64BIT_KERNEL
448 The Ocelot-3 is based off Discovery III System Controller and
449 PMC-Sierra Rm79000 core.
452 bool 'Support for MIPS simulator (MIPSsim)'
453 select DMA_NONCOHERENT
455 select SYS_SUPPORTS_32BIT_KERNEL
456 select SYS_SUPPORTS_BIG_ENDIAN
457 select SYS_SUPPORTS_LITTLE_ENDIAN
459 This option enables support for MIPS Technologies MIPSsim software
462 config MOMENCO_JAGUAR_ATX
463 bool "Support for Momentum Jaguar board"
465 select DMA_NONCOHERENT
472 select RM7000_CPU_SCACHE
474 select SYS_SUPPORTS_32BIT_KERNEL
475 select SYS_SUPPORTS_64BIT_KERNEL
477 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
478 Momentum Computer <http://www.momenco.com/>.
482 depends on MOMENCO_JAGUAR_ATX
484 Select to Y if jump JP5 is set on your board, N otherwise. Normally
485 the jumper is set, so if you feel unsafe, just say Y.
488 bool "Support for PMC-Sierra Yosemite eval board"
495 select SYS_SUPPORTS_32BIT_KERNEL
496 select SYS_SUPPORTS_64BIT_KERNEL
498 Yosemite is an evaluation board for the RM9000x2 processor
499 manufactured by PMC-Sierra
501 config HYPERTRANSPORT
502 bool "Hypertransport Support for PMC-Sierra Yosemite"
503 depends on PMC_YOSEMITE
506 bool "Support for Philips PNX8550 based Viper2-PCI board"
508 select SYS_SUPPORTS_LITTLE_ENDIAN
511 bool "Support for Philips PNX8550 based JBS board"
513 select SYS_SUPPORTS_LITTLE_ENDIAN
516 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
517 depends on EXPERIMENTAL
518 select DMA_NONCOHERENT
519 select HAVE_STD_PC_SERIAL_PORT
524 select SYS_SUPPORTS_32BIT_KERNEL
525 select SYS_SUPPORTS_64BIT_KERNEL
527 This enables support for the VR5000-based NEC DDB Vrc-5074
531 bool "Support for NEC DDB Vrc-5476"
532 select DMA_NONCOHERENT
533 select HAVE_STD_PC_SERIAL_PORT
538 select SYS_SUPPORTS_32BIT_KERNEL
539 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
541 This enables support for the R5432-based NEC DDB Vrc-5476
544 Features : kernel debugging, serial terminal, NFS root fs, on-board
545 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
546 IDE controller, PS2 keyboard, PS2 mouse, etc.
549 bool "Support for NEC DDB Vrc-5477"
550 select DMA_NONCOHERENT
554 select SYS_SUPPORTS_32BIT_KERNEL
555 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
557 This enables support for the R5432-based NEC DDB Vrc-5477,
558 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
560 Features : kernel debugging, serial terminal, NFS root fs, on-board
561 ether port USB, AC97, PCI, etc.
563 config DDB5477_BUS_FREQUENCY
564 int "bus frequency (in kHZ, 0 for auto-detect)"
569 bool "Support for Qemu"
571 select GENERIC_ISA_DMA
572 select HAVE_STD_PC_SERIAL_PORT
576 select SYS_SUPPORTS_32BIT_KERNEL
577 select SYS_SUPPORTS_BIG_ENDIAN
578 select SYS_SUPPORTS_HIGHMEM
580 Qemu is a software emulator which among other architectures also
581 can simulate a MIPS32 4Kc system. This patch adds support for the
582 system architecture that currently is being simulated by Qemu. It
583 will eventually be removed again when Qemu has the capability to
584 simulate actual MIPS hardware platforms. More information on Qemu
585 can be found at http://www.linux-mips.org/wiki/Qemu.
588 bool "Support for SGI IP22 (Indy/Indigo2)"
592 select DMA_NONCOHERENT
593 select IP22_CPU_SCACHE
596 select SYS_SUPPORTS_32BIT_KERNEL
597 select SYS_SUPPORTS_64BIT_KERNEL
599 This are the SGI Indy, Challenge S and Indigo2, as well as certain
600 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
601 that runs on these, say Y here.
604 bool "Support for SGI IP27 (Origin200/2000)"
610 select SYS_SUPPORTS_64BIT_KERNEL
612 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
613 workstations. To compile a Linux kernel that runs on these, say Y
618 # depends on SGI_IP27
619 # This options adds support for userspace processes upto 16TB size.
620 # Normally the limit is just .5TB.
622 config SGI_SN0_N_MODE
626 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
627 configured in either N-Modes which allows for more nodes or M-Mode
628 which allows for more memory. Your system is most probably
629 running in M-Mode, so you should say N here.
631 config ARCH_DISCONTIGMEM_ENABLE
633 default y if SGI_IP27
635 Say Y to upport efficient handling of discontiguous physical memory,
636 for architectures which are either NUMA (Non-Uniform Memory Access)
637 or have huge holes in the physical address space for other reasons.
638 See <file:Documentation/vm/numa> for more.
644 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
645 Access). This option is for configuring high-end multiprocessor
646 server machines. If in doubt, say N.
649 bool "Mapped kernel support"
652 Change the way a Linux kernel is loaded into memory on a MIPS64
653 machine. This is required in order to support text replication and
654 NUMA. If you need to understand it, read the source code.
656 config REPLICATE_KTEXT
657 bool "Kernel text replication support"
660 Say Y here to enable replicating the kernel text across multiple
661 nodes in a NUMA cluster. This trades memory for speed.
663 config REPLICATE_EXHANDLERS
664 bool "Exception handler replication support"
667 Say Y here to enable replicating the kernel exception handlers
668 across multiple nodes in a NUMA cluster. This trades memory for
672 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
673 depends on EXPERIMENTAL
679 select DMA_NONCOHERENT
680 select HAS_TXX9_SERIAL
682 select R5000_CPU_SCACHE
683 select RM7000_CPU_SCACHE
684 select SYS_SUPPORTS_64BIT_KERNEL
686 If you want this kernel to run on SGI O2 workstation, say Y here.
693 bool "Support for AMD/Alchemy Au1X00 SOCs"
694 select SYS_SUPPORTS_32BIT_KERNEL
697 prompt "Au1X00 SOC Type"
698 depends on SOC_AU1X00
700 Say Y here to enable support for one of three AMD/Alchemy
701 SOCs. For additional documentation see www.amd.com.
712 config TOSHIBA_RBTX4938
713 bool "Support for Toshiba RBTX4938 board"
714 select HAVE_STD_PC_SERIAL_PORT
715 select DMA_NONCOHERENT
716 select GENERIC_ISA_DMA
717 select HAS_TXX9_SERIAL
722 select SYS_SUPPORTS_32BIT_KERNEL
723 select SYS_SUPPORTS_LITTLE_ENDIAN
724 select SYS_SUPPORTS_BIG_ENDIAN
725 select TOSHIBA_BOARDS
727 This Toshiba board is based on the TX4938 processor. Say Y here to
728 support this machine type
733 prompt "AMD/Alchemy Au1x00 board support"
734 depends on SOC_AU1X00
736 These are evaluation boards built by AMD/Alchemy to
737 showcase their Au1X00 Internet Edge Processors. The SOC design
738 is based on the MIPS32 architecture running at 266/400/500MHz
739 with many integrated peripherals. Further information can be
740 found at their website, <http://www.amd.com/>. Say Y here if you
741 wish to build a kernel for this platform.
745 depends on SOC_AU1000
746 select DMA_NONCOHERENT
752 depends on SOC_AU1100
753 select DMA_NONCOHERENT
759 depends on SOC_AU1500
760 select DMA_NONCOHERENT
765 depends on SOC_AU1550
768 select MIPS_DISABLE_OBSOLETE_IDE
771 bool "AMD Alchemy PB1200 board"
773 select DMA_NONCOHERENT
774 select MIPS_DISABLE_OBSOLETE_IDE
775 select SYS_SUPPORTS_BIG_ENDIAN
776 select SYS_SUPPORTS_HIGHMEM
777 select SYS_SUPPORTS_HIGHMEM
778 select SYS_SUPPORTS_HIGHMEM
779 select SYS_SUPPORTS_HIGHMEM
780 select SYS_SUPPORTS_LITTLE_ENDIAN
784 depends on SOC_AU1000
785 select DMA_NONCOHERENT
790 depends on SOC_AU1100
791 select DMA_NONCOHERENT
795 depends on SOC_AU1500
796 select DMA_NONCOHERENT
798 select MIPS_DISABLE_OBSOLETE_IDE
802 depends on SOC_AU1550
804 select DMA_NONCOHERENT
805 select MIPS_DISABLE_OBSOLETE_IDE
808 bool "Bosporus board"
809 depends on SOC_AU1500
810 select DMA_NONCOHERENT
813 bool "AMD Alchemy DB1200 board"
816 select MIPS_DISABLE_OBSOLETE_IDE
817 select SYS_SUPPORTS_LITTLE_ENDIAN
821 depends on SOC_AU1500
822 select DMA_NONCOHERENT
825 bool "MyCable XXS1500 board"
826 depends on SOC_AU1500
827 select DMA_NONCOHERENT
830 bool "4G Systems MTX-1 board"
831 depends on SOC_AU1500
833 select DMA_NONCOHERENT
838 bool "Support for SNI RM200 PCI"
841 select ARCH_MAY_HAVE_PC_FDC
843 select DMA_NONCOHERENT
844 select GENERIC_ISA_DMA
845 select HAVE_STD_PC_SERIAL_PORT
849 select SYS_SUPPORTS_32BIT_KERNEL
850 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
851 select SYS_SUPPORTS_HIGHMEM
853 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
854 Nixdorf Informationssysteme (SNI), parent company of Pyramid
855 Technology and now in turn merged with Fujitsu. Say Y here to
856 support this machine type.
858 config TOSHIBA_RBTX4927
859 bool "Support for Toshiba TBTX49[23]7 board"
860 select DMA_NONCOHERENT
861 select HAS_TXX9_SERIAL
866 select SYS_SUPPORTS_32BIT_KERNEL
867 select SYS_SUPPORTS_64BIT_KERNEL
869 This Toshiba board is based on the TX4927 processor. Say Y here to
870 support this machine type
872 config TOSHIBA_FPCIB0
873 bool "FPCIB0 Backplane Support"
874 depends on TOSHIBA_RBTX4927
876 source "arch/mips/sgi-ip27/Kconfig"
877 source "arch/mips/sibyte/Kconfig"
878 source "arch/mips/tx4938/Kconfig"
879 source "arch/mips/philips/pnx8550/common/Kconfig"
881 config RWSEM_GENERIC_SPINLOCK
885 config RWSEM_XCHGADD_ALGORITHM
887 select HAS_TXX9_SERIAL
889 config GENERIC_CALIBRATE_DELAY
894 # Select some configuration options automatically based on user selections.
898 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
901 config ARCH_MAY_HAVE_PC_FDC
912 select DMA_NEED_PCI_MAP_STATE
914 config DMA_NONCOHERENT
916 select DMA_NEED_PCI_MAP_STATE
918 config DMA_NEED_PCI_MAP_STATE
923 depends on MACH_DECSTATION
926 config GENERIC_ISA_DMA
928 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
933 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
939 select SYS_SUPPORTS_HIGHMEM
943 depends on MIPS_ATLAS || MIPS_MALTA
948 depends on MIPS_ATLAS || MIPS_MALTA
956 config MIPS_DISABLE_OBSOLETE_IDE
959 config CPU_LITTLE_ENDIAN
960 bool "Generate little endian code"
961 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
962 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
964 Some MIPS machines can be configured for either little or big endian
965 byte order. These modes require different kernels. Say Y if your
966 machine is little endian, N if it's a big endian machine.
977 config DDB5XXX_COMMON
979 depends on DDB5074 || DDB5476 || DDB5477
982 config MIPS_BOARDS_GEN
984 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
989 depends on MIPS_COBALT
994 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
999 depends on TOSHIBA_JMR3927
1000 select HAS_TXX9_SERIAL
1006 config ITE_BOARD_GEN
1008 depends on MIPS_IVR || MIPS_ITE8172
1017 select SYS_SUPPORTS_32BIT_KERNEL
1018 select DMA_NONCOHERENT
1021 config SWAP_IO_SPACE
1025 # Unfortunately not all GT64120 systems run the chip at the same clock.
1026 # As the user for the clock rate and try to minimize the available options.
1029 prompt "Galileo Chip Clock"
1030 #default SYSCLK_83 if MIPS_EV64120
1031 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1032 default SYSCLK_83 if MIPS_EV64120
1033 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1036 bool "75" if MIPS_EV64120
1039 bool "83.3" if MIPS_EV64120
1042 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1046 config AU1X00_USB_DEVICE
1048 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1053 depends on MIPS_EV96100
1056 Say Y here to support the Galileo Technology GT96100 communications
1057 controller card. There is a web page at <http://www.galileot.com/>.
1061 depends on MIPS_ITE8172 || MIPS_IVR
1066 depends on MIPS_ITE8172
1071 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1074 config MIPS_L1_CACHE_SHIFT
1076 default "4" if MACH_DECSTATION
1077 default "7" if SGI_IP27
1082 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1085 config HAVE_STD_PC_SERIAL_PORT
1089 bool "ARC console support"
1090 depends on SGI_IP22 || SNI_RM200_PCI
1094 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1099 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1112 #config MAPPED_PCI_IO y
1114 # depends on SGI_IP27
1117 config TOSHIBA_BOARDS
1119 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1124 menu "CPU selection"
1130 config CPU_MIPS32_R1
1131 bool "MIPS32 Release 1"
1132 select CPU_HAS_PREFETCH
1133 select CPU_SUPPORTS_32BIT_KERNEL
1135 Choose this option to build a kernel for release 2 or later of the
1136 MIPS32 architecture. Most modern embedded systems with a 32-bit
1137 MIPS processor are based on a MIPS32 processor. If you know the
1138 specific type of processor in your system, choose those that one
1139 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1140 Release 2 of the MIPS32 architecture is available since several
1141 years so chances are you even have a MIPS32 Release 2 processor
1142 in which case you should choose CPU_MIPS32_R2 instead for better
1145 config CPU_MIPS32_R2
1146 bool "MIPS32 Release 2"
1147 select CPU_HAS_PREFETCH
1148 select CPU_SUPPORTS_32BIT_KERNEL
1150 Choose this option to build a kernel for release 1 or later of the
1151 MIPS32 architecture. Most modern embedded systems with a 32-bit
1152 MIPS processor are based on a MIPS32 processor. If you know the
1153 specific type of processor in your system, choose those that one
1154 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1156 config CPU_MIPS64_R1
1157 bool "MIPS64 Release 1"
1158 select CPU_HAS_PREFETCH
1159 select CPU_SUPPORTS_32BIT_KERNEL
1160 select CPU_SUPPORTS_64BIT_KERNEL
1162 Choose this option to build a kernel for release 1 or later of the
1163 MIPS64 architecture. Many modern embedded systems with a 64-bit
1164 MIPS processor are based on a MIPS64 processor. If you know the
1165 specific type of processor in your system, choose those that one
1166 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1167 Release 2 of the MIPS64 architecture is available since several
1168 years so chances are you even have a MIPS64 Release 2 processor
1169 in which case you should choose CPU_MIPS64_R2 instead for better
1172 config CPU_MIPS64_R2
1173 bool "MIPS64 Release 2"
1174 select CPU_HAS_PREFETCH
1175 select CPU_SUPPORTS_32BIT_KERNEL
1176 select CPU_SUPPORTS_64BIT_KERNEL
1178 Choose this option to build a kernel for release 2 or later of the
1179 MIPS64 architecture. Many modern embedded systems with a 64-bit
1180 MIPS processor are based on a MIPS64 processor. If you know the
1181 specific type of processor in your system, choose those that one
1182 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1186 select CPU_SUPPORTS_32BIT_KERNEL
1187 select CPU_SUPPORTS_HIGHMEM
1189 Please make sure to pick the right CPU type. Linux/MIPS is not
1190 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1191 *not* work on R4000 machines and vice versa. However, since most
1192 of the supported machines have an R4000 (or similar) CPU, R4x00
1193 might be a safe bet. If the resulting kernel does not work,
1194 try to recompile with R3000.
1198 select CPU_SUPPORTS_32BIT_KERNEL
1202 select CPU_SUPPORTS_32BIT_KERNEL
1203 select CPU_SUPPORTS_64BIT_KERNEL
1205 The options selects support for the NEC VR41xx series of processors.
1206 Only choose this option if you have one of these processors as a
1207 kernel built with this option will not run on any other type of
1208 processor or vice versa.
1212 select CPU_SUPPORTS_32BIT_KERNEL
1213 select CPU_SUPPORTS_64BIT_KERNEL
1215 MIPS Technologies R4300-series processors.
1219 select CPU_SUPPORTS_32BIT_KERNEL
1220 select CPU_SUPPORTS_64BIT_KERNEL
1222 MIPS Technologies R4000-series processors other than 4300, including
1223 the R4000, R4400, R4600, and 4700.
1227 select CPU_SUPPORTS_32BIT_KERNEL
1228 select CPU_SUPPORTS_64BIT_KERNEL
1232 select CPU_SUPPORTS_32BIT_KERNEL
1233 select CPU_SUPPORTS_64BIT_KERNEL
1235 MIPS Technologies R5000-series processors other than the Nevada.
1242 depends on EXPERIMENTAL
1243 select CPU_SUPPORTS_32BIT_KERNEL
1245 MIPS Technologies R6000 and R6000A series processors. Note these
1246 processors are extremly rare and the support for them is incomplete.
1250 select CPU_SUPPORTS_32BIT_KERNEL
1251 select CPU_SUPPORTS_64BIT_KERNEL
1253 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1257 depends on EXPERIMENTAL
1258 select CPU_SUPPORTS_64BIT_KERNEL
1260 MIPS Technologies R8000 processors. Note these processors are
1261 uncommon and the support for them is incomplete.
1265 select CPU_SUPPORTS_32BIT_KERNEL
1266 select CPU_SUPPORTS_64BIT_KERNEL
1267 select CPU_SUPPORTS_HIGHMEM
1269 MIPS Technologies R10000-series processors.
1273 select CPU_SUPPORTS_32BIT_KERNEL
1274 select CPU_SUPPORTS_64BIT_KERNEL
1275 select CPU_SUPPORTS_HIGHMEM
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
1292 prompt "Kernel page size"
1293 default PAGE_SIZE_4KB
1295 config PAGE_SIZE_4KB
1298 This option select the standard 4kB Linux page size. On some
1299 R3000-family processors this is the only available page size. Using
1300 4kB page size will minimize memory consumption and is therefore
1301 recommended for low memory systems.
1303 config PAGE_SIZE_8KB
1305 depends on EXPERIMENTAL && CPU_R8000
1307 Using 8kB page size will result in higher performance kernel at
1308 the price of higher memory consumption. This option is available
1309 only on the R8000 processor. Not that at the time of this writing
1310 this option is still high experimental; there are also issues with
1311 compatibility of user applications.
1313 config PAGE_SIZE_16KB
1315 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1317 Using 16kB page size will result in higher performance kernel at
1318 the price of higher memory consumption. This option is available on
1319 all non-R3000 family processor. Not that at the time of this
1320 writing this option is still high experimental; there are also
1321 issues with compatibility of user applications.
1323 config PAGE_SIZE_64KB
1325 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1327 Using 64kB page size will result in higher performance kernel at
1328 the price of higher memory consumption. This option is available on
1329 all non-R3000 family processor. Not that at the time of this
1330 writing this option is still high experimental; there are also
1331 issues with compatibility of user applications.
1338 config IP22_CPU_SCACHE
1342 config R5000_CPU_SCACHE
1346 config RM7000_CPU_SCACHE
1350 config SIBYTE_DMA_PAGEOPS
1351 bool "Use DMA to clear/copy pages"
1354 Instead of using the CPU to zero and copy pages, use a Data Mover
1355 channel. These DMA channels are otherwise unused by the standard
1356 SiByte Linux port. Seems to give a small performance benefit.
1358 config CPU_HAS_PREFETCH
1362 bool "Enable MIPS MT"
1365 prompt "MIPS MT options"
1369 bool "Use 1 TC on each available VPE for SMP"
1372 config MIPS_VPE_LOADER
1373 bool "VPE loader support."
1376 Includes a loader for loading an elf relocatable object
1377 onto another VPE and running it.
1381 config MIPS_VPE_LOADER_TOM
1382 bool "Load VPE program into memory hidden from linux"
1383 depends on MIPS_VPE_LOADER
1386 The loader can use memory that is present but has been hidden from
1387 Linux using the kernel command line option "mem=xxMB". It's up to
1388 you to ensure the amount you put in the option and the space your
1389 program requires is less or equal to the amount physically present.
1391 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1392 config MIPS_VPE_APSP_API
1393 bool "Enable support for AP/SP API (RTLX)"
1394 depends on MIPS_VPE_LOADER
1396 config SB1_PASS_1_WORKAROUNDS
1398 depends on CPU_SB1_PASS_1
1401 config SB1_PASS_2_WORKAROUNDS
1403 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1406 config SB1_PASS_2_1_WORKAROUNDS
1408 depends on CPU_SB1 && CPU_SB1_PASS_2
1411 config 64BIT_PHYS_ADDR
1412 bool "Support for 64-bit physical address space"
1413 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1416 bool "Override CPU Options"
1419 Saying yes here allows you to select support for various features
1420 your CPU may or may not have. Most people should say N here.
1423 bool "ll/sc Instructions available" if CPU_ADVANCED
1424 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1426 MIPS R4000 series and later provide the Load Linked (ll)
1427 and Store Conditional (sc) instructions. More information is
1428 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1430 Say Y here if your CPU has the ll and sc instructions. Say Y here
1431 for better performance, N if you don't know. You must say Y here
1432 for multiprocessor machines.
1434 config CPU_HAS_LLDSCD
1435 bool "lld/scd Instructions available" if CPU_ADVANCED
1436 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1438 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1439 equivalents of ll and sc. Say Y here for better performance, N if
1440 you don't know. You must say Y here for multiprocessor machines.
1443 bool "Writeback Buffer available" if CPU_ADVANCED
1444 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1446 Say N here for slightly better performance. You must say Y here for
1447 machines which require flushing of write buffers in software. Saying
1448 Y is the safe option; N may result in kernel malfunction and crashes.
1450 menu "MIPSR2 Interrupt handling"
1451 depends on CPU_MIPSR2 && CPU_ADVANCED
1453 config CPU_MIPSR2_IRQ_VI
1454 bool "Vectored interrupt mode"
1456 Vectored interrupt mode allowing faster dispatching of interrupts.
1457 The board support code needs to be written to take advantage of this
1458 mode. Compatibility code is included to allow the kernel to run on
1459 a CPU that does not support vectored interrupts. It's safe to
1462 config CPU_MIPSR2_IRQ_EI
1463 bool "External interrupt controller mode"
1465 Extended interrupt mode takes advantage of an external interrupt
1466 controller to allow fast dispatching from many possible interrupt
1467 sources. Say N unless you know that external interrupt support is
1470 config CPU_MIPSR2_SRS
1471 bool "Make shadow set registers available for interrupt handlers"
1472 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1474 Allow the kernel to use shadow register sets for fast interrupts.
1475 Interrupt handlers must be specially written to use shadow sets.
1476 Say N unless you know that shadow register set upport is needed.
1481 depends on !CPU_R3000
1485 # Use the generic interrupt handling code in kernel/irq/:
1487 config GENERIC_HARDIRQS
1491 config GENERIC_IRQ_PROBE
1496 # - Highmem only makes sense for the 32-bit kernel.
1497 # - The current highmem code will only work properly on physically indexed
1498 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1499 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1500 # moment we protect the user and offer the highmem option only on machines
1501 # where it's known to be safe. This will not offer highmem on a few systems
1502 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1503 # indexed CPUs but we're playing safe.
1504 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1505 # know they might have memory configurations that could make use of highmem
1509 bool "High Memory Support"
1510 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1512 config CPU_SUPPORTS_HIGHMEM
1515 config SYS_SUPPORTS_HIGHMEM
1518 config ARCH_FLATMEM_ENABLE
1525 bool "Multi-Processing support"
1526 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP
1528 This enables support for systems with more than one CPU. If you have
1529 a system with only one CPU, like most personal computers, say N. If
1530 you have a system with more than one CPU, say Y.
1532 If you say N here, the kernel will run on single and multiprocessor
1533 machines, but will use only one CPU of a multiprocessor machine. If
1534 you say Y here, the kernel will run on many, but not all,
1535 singleprocessor machines. On a singleprocessor machine, the kernel
1536 will run faster if you say N here.
1538 People using multiprocessor machines who say Y here should also say
1539 Y to "Enhanced Real Time Clock Support", below.
1541 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1542 available at <http://www.tldp.org/docs.html#howto>.
1544 If you don't know what to do here, say N.
1547 int "Maximum number of CPUs (2-64)"
1550 default "64" if SGI_IP27
1553 This allows you to specify the maximum number of CPUs which this
1554 kernel will support. The maximum supported value is 32 for 32-bit
1555 kernel and 64 for 64-bit kernels; the minimum value which makes
1558 This is purely to save memory - each supported CPU adds
1559 approximately eight kilobytes to the kernel image.
1561 source "kernel/Kconfig.preempt"
1564 bool "DS1742 BRAM/RTC support"
1565 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1567 config MIPS_INSANE_LARGE
1568 bool "Support for large 64-bit configurations"
1569 depends on CPU_R10000 && 64BIT
1571 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1572 previous 64-bit processors which only supported 40 bit / 1TB. If you
1573 need processes of more than 1TB virtual address space, say Y here.
1574 This will result in additional memory usage, so it is not
1575 recommended for normal users.
1577 config RWSEM_GENERIC_SPINLOCK
1583 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1589 bool "Support for PCI controller"
1590 depends on HW_HAS_PCI
1592 Find out whether you have a PCI motherboard. PCI is the name of a
1593 bus system, i.e. the way the CPU talks to the other stuff inside
1594 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1597 The PCI-HOWTO, available from
1598 <http://www.tldp.org/docs.html#howto>, contains valuable
1599 information about which PCI hardware does work under Linux and which
1606 source "drivers/pci/Kconfig"
1609 # ISA support is now enabled via select. Too many systems still have the one
1610 # or other ISA chip on the board that users don't know about so don't expect
1611 # users to choose the right thing ...
1618 depends on SGI_IP22 || SNI_RM200_PCI
1621 The Extended Industry Standard Architecture (EISA) bus was
1622 developed as an open alternative to the IBM MicroChannel bus.
1624 The EISA bus provided some of the features of the IBM MicroChannel
1625 bus while maintaining backward compatibility with cards made for
1626 the older ISA bus. The EISA bus saw limited use between 1988 and
1627 1995 when it was made obsolete by the PCI bus.
1629 Say Y here if you are building a kernel for an EISA-based machine.
1633 source "drivers/eisa/Kconfig"
1636 bool "TURBOchannel support"
1637 depends on MACH_DECSTATION
1639 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1640 processors. Documentation on writing device drivers for TurboChannel
1642 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1645 # bool "Access.Bus support"
1658 source "drivers/pcmcia/Kconfig"
1660 source "drivers/pci/hotplug/Kconfig"
1664 menu "Executable file formats"
1666 source "fs/Kconfig.binfmt"
1673 bool "Use 64-bit ELF format for building"
1676 A 64-bit kernel is usually built using the 64-bit ELF binary object
1677 format as it's one that allows arbitrary 64-bit constructs. For
1678 kernels that are loaded within the KSEG compatibility segments the
1679 32-bit ELF format can optionally be used resulting in a somewhat
1680 smaller binary, but this option is not explicitly supported by the
1681 toolchain and since binutils 2.14 it does not even work at all.
1683 Say Y to use the 64-bit format or N to use the 32-bit one.
1688 bool "Include IRIX binary compatibility"
1689 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1691 config MIPS32_COMPAT
1692 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1695 Select this option if you want Linux/MIPS 32-bit binary
1696 compatibility. Since all software available for Linux/MIPS is
1697 currently 32-bit you should say Y here.
1701 depends on MIPS32_COMPAT
1705 bool "Kernel support for o32 binaries"
1706 depends on MIPS32_COMPAT
1708 Select this option if you want to run o32 binaries. These are pure
1709 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1710 existing binaries are in this format.
1715 bool "Kernel support for n32 binaries"
1716 depends on MIPS32_COMPAT
1718 Select this option if you want to run n32 binaries. These are
1719 64-bit binaries using 32-bit quantities for addressing and certain
1720 data that would normally be 64-bit. They are used in special
1727 default y if MIPS32_O32 || MIPS32_N32
1730 bool "Enable seccomp to safely compute untrusted bytecode"
1731 depends on PROC_FS && BROKEN
1734 This kernel feature is useful for number crunching applications
1735 that may need to compute untrusted bytecode during their
1736 execution. By using pipes or other transports made available to
1737 the process as file descriptors supporting the read/write
1738 syscalls, it's possible to isolate those applications in
1739 their own address space using seccomp. Once seccomp is
1740 enabled via /proc/<pid>/seccomp, it cannot be disabled
1741 and the task is only allowed to execute a few safe syscalls
1742 defined by each seccomp mode.
1744 If unsure, say Y. Only embedded should say N here.
1747 bool "Power Management support (EXPERIMENTAL)"
1748 depends on EXPERIMENTAL && MACH_AU1X00
1752 source "net/Kconfig"
1754 source "drivers/Kconfig"
1758 source "arch/mips/Kconfig.debug"
1760 source "security/Kconfig"
1762 source "crypto/Kconfig"
1764 source "lib/Kconfig"