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 GENERIC_ISA_DMA
78 select SYS_SUPPORTS_32BIT_KERNEL
79 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
81 This a family of machines based on the MIPS R4030 chipset which was
82 used by several vendors to build RISC/os and Windows NT workstations.
83 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
84 Olivetti M700-10 workstations.
87 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
88 depends on MACH_JAZZ && EXPERIMENTAL
89 select DMA_NONCOHERENT
91 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
92 kernel that runs on these, say Y here. For details about Linux on
93 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
94 <http://www.linux-mips.org/>.
96 config MIPS_MAGNUM_4000
97 bool "Support for MIPS Magnum 4000"
99 select DMA_NONCOHERENT
101 This is a machine with a R4000 100 MHz CPU. To compile a Linux
102 kernel that runs on these, say Y here. For details about Linux on
103 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
104 <http://www.linux-mips.org/>.
107 bool "Support for Olivetti M700-10"
109 select DMA_NONCOHERENT
111 This is a machine with a R4000 100 MHz CPU. To compile a Linux
112 kernel that runs on these, say Y here. For details about Linux on
113 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
114 <http://www.linux-mips.org/>.
117 bool "Support for NEC VR4100 series based machines"
118 select SYS_SUPPORTS_32BIT_KERNEL
119 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
122 bool "Support for NEC CMB-VR4133"
123 depends on MACH_VR41XX
125 select DMA_NONCOHERENT
130 bool "Support for Rockhopper baseboard"
131 depends on NEC_CMBVR4133
133 select HAVE_STD_PC_SERIAL_PORT
136 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
137 depends on MACH_VR41XX
138 select CPU_LITTLE_ENDIAN
139 select DMA_NONCOHERENT
144 bool "Support for IBM WorkPad z50"
145 depends on MACH_VR41XX
146 select CPU_LITTLE_ENDIAN
147 select DMA_NONCOHERENT
152 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
153 depends on MACH_VR41XX
154 select CPU_LITTLE_ENDIAN
155 select DMA_NONCOHERENT
159 The TANBAC VR4131 multichip module(TB0225) and
160 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
161 manufactured by TANBAC.
162 Please refer to <http://www.tanbac.co.jp/>
163 about VR4131 multichip module and VR4131DIMM.
166 bool "Support for TANBAC Mbase(TB0226)"
167 depends on TANBAC_TB022X
170 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
171 Please refer to <http://www.tanbac.co.jp/> about Mbase.
174 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
175 depends on TANBAC_TB022X
177 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
178 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
181 bool "Support for Victor MP-C303/304"
182 depends on MACH_VR41XX
183 select CPU_LITTLE_ENDIAN
184 select DMA_NONCOHERENT
189 bool "Support for ZAO Networks Capcella"
190 depends on MACH_VR41XX
191 select CPU_LITTLE_ENDIAN
192 select DMA_NONCOHERENT
197 bool "Add PCI control unit support of NEC VR4100 series"
198 depends on MACH_VR41XX && HW_HAS_PCI
203 tristate "Add NEC VRC4173 companion chip support"
204 depends on MACH_VR41XX && PCI_VR41XX
206 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
208 config TOSHIBA_JMR3927
209 bool "Support for Toshiba JMR-TX3927 board"
210 select DMA_NONCOHERENT
213 select SYS_SUPPORTS_32BIT_KERNEL
216 bool "Support for Cobalt Server"
217 depends on EXPERIMENTAL
218 select DMA_NONCOHERENT
222 select SYS_SUPPORTS_32BIT_KERNEL
223 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
225 config MACH_DECSTATION
226 bool "Support for DECstations"
228 select DMA_NONCOHERENT
231 select SYS_SUPPORTS_32BIT_KERNEL
232 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
234 This enables support for DEC's MIPS based workstations. For details
235 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
236 DECstation porting pages on <http://decstation.unix-ag.org/>.
238 If you have one of the following DECstation Models you definitely
239 want to choose R4xx0 for the CPU Type:
246 otherwise choose R3000.
249 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
250 depends on EXPERIMENTAL
251 select DMA_NONCOHERENT
255 select SYS_SUPPORTS_32BIT_KERNEL
256 select SYS_SUPPORTS_64BIT_KERNEL
258 This is an evaluation board based on the Galileo GT-64120
259 single-chip system controller that contains a MIPS R5000 compatible
260 core running at 75/100MHz. Their website is located at
261 <http://www.marvell.com/>. Say Y here if you wish to build a
262 kernel for this platform.
265 bool "Enable Second PCI (PCI1)"
266 depends on MIPS_EV64120
269 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
270 depends on EXPERIMENTAL
271 select DMA_NONCOHERENT
275 select RM7000_CPU_SCACHE
277 select SYS_SUPPORTS_32BIT_KERNEL
278 select SYS_SUPPORTS_64BIT_KERNEL
280 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
281 communications controllers containing a MIPS R5000 compatible core
282 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
283 here if you wish to build a kernel for this platform.
286 bool "Support for Globespan IVR board"
287 select DMA_NONCOHERENT
289 select SYS_SUPPORTS_32BIT_KERNEL
290 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
292 This is an evaluation board built by Globespan to showcase thir
293 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
294 R5000 MIPS core. More information can be found out their website
295 located at <http://www.globespan.net/>. Say Y here if you wish to
296 build a kernel for this platform.
299 bool "Support for LASAT Networks platforms"
300 select DMA_NONCOHERENT
303 select R5000_CPU_SCACHE
304 select SYS_SUPPORTS_32BIT_KERNEL
305 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
308 tristate "PICVUE LCD display driver"
312 tristate "PICVUE LCD display driver /proc interface"
316 bool "DS1603 RTC driver"
320 bool "LASAT sysctl interface"
324 bool "Support for ITE 8172G board"
325 select DMA_NONCOHERENT
327 select SYS_SUPPORTS_32BIT_KERNEL
328 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
330 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
331 with ATX form factor that utilizes a MIPS R5000 to work with its
332 ITE8172G companion internet appliance chip. The MIPS core can be
333 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
334 a kernel for this platform.
337 bool "Support for older IT8172 (Rev C)"
338 depends on MIPS_ITE8172
340 Say Y here to support the older, Revision C version of the Integrated
341 Technology Express, Inc. ITE8172 SBC. Vendor page at
342 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
343 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
346 bool "Support for MIPS Atlas board"
348 select DMA_NONCOHERENT
351 select RM7000_CPU_SCACHE
353 select SYS_SUPPORTS_32BIT_KERNEL
354 select SYS_SUPPORTS_64BIT_KERNEL
356 This enables support for the MIPS Technologies Atlas evaluation
360 bool "Support for MIPS Malta board"
362 select HAVE_STD_PC_SERIAL_PORT
363 select DMA_NONCOHERENT
365 select GENERIC_ISA_DMA
370 select SYS_SUPPORTS_32BIT_KERNEL
371 select SYS_SUPPORTS_64BIT_KERNEL
373 This enables support for the MIPS Technologies Malta evaluation
377 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
378 depends on EXPERIMENTAL
380 select DMA_NONCOHERENT
381 select SYS_SUPPORTS_32BIT_KERNEL
382 select SYS_SUPPORTS_64BIT_KERNEL
384 This enables support for the MIPS Technologies SEAD evaluation
387 config MOMENCO_OCELOT
388 bool "Support for Momentum Ocelot 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_G
403 bool "Support for Momentum Ocelot-G board"
404 select DMA_NONCOHERENT
409 select RM7000_CPU_SCACHE
411 select SYS_SUPPORTS_32BIT_KERNEL
412 select SYS_SUPPORTS_64BIT_KERNEL
414 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
415 Momentum Computer <http://www.momenco.com/>.
417 config MOMENCO_OCELOT_C
418 bool "Support for Momentum Ocelot-C board"
419 select DMA_NONCOHERENT
424 select RM7000_CPU_SCACHE
426 select SYS_SUPPORTS_32BIT_KERNEL
427 select SYS_SUPPORTS_64BIT_KERNEL
429 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
430 Momentum Computer <http://www.momenco.com/>.
432 config MOMENCO_OCELOT_3
433 bool "Support for Momentum Ocelot-3 board"
435 select DMA_NONCOHERENT
441 select RM7000_CPU_SCACHE
443 select SYS_SUPPORTS_32BIT_KERNEL
444 select SYS_SUPPORTS_64BIT_KERNEL
446 The Ocelot-3 is based off Discovery III System Controller and
447 PMC-Sierra Rm79000 core.
449 config MOMENCO_JAGUAR_ATX
450 bool "Support for Momentum Jaguar board"
452 select DMA_NONCOHERENT
459 select RM7000_CPU_SCACHE
461 select SYS_SUPPORTS_32BIT_KERNEL
462 select SYS_SUPPORTS_64BIT_KERNEL
464 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
465 Momentum Computer <http://www.momenco.com/>.
469 depends on MOMENCO_JAGUAR_ATX
471 Select to Y if jump JP5 is set on your board, N otherwise. Normally
472 the jumper is set, so if you feel unsafe, just say Y.
475 bool "Support for PMC-Sierra Yosemite eval board"
482 select SYS_SUPPORTS_32BIT_KERNEL
483 select SYS_SUPPORTS_64BIT_KERNEL
485 Yosemite is an evaluation board for the RM9000x2 processor
486 manufactured by PMC-Sierra
488 config HYPERTRANSPORT
489 bool "Hypertransport Support for PMC-Sierra Yosemite"
490 depends on PMC_YOSEMITE
493 bool "Support for Philips PNX8550 based Viper2-PCI board"
495 select SYS_SUPPORTS_LITTLE_ENDIAN
498 bool "Support for Philips PNX8550 based JBS board"
500 select SYS_SUPPORTS_LITTLE_ENDIAN
503 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
504 depends on EXPERIMENTAL
505 select DMA_NONCOHERENT
506 select HAVE_STD_PC_SERIAL_PORT
511 select SYS_SUPPORTS_32BIT_KERNEL
512 select SYS_SUPPORTS_64BIT_KERNEL
514 This enables support for the VR5000-based NEC DDB Vrc-5074
518 bool "Support for NEC DDB Vrc-5476"
519 select DMA_NONCOHERENT
520 select HAVE_STD_PC_SERIAL_PORT
525 select SYS_SUPPORTS_32BIT_KERNEL
526 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
528 This enables support for the R5432-based NEC DDB Vrc-5476
531 Features : kernel debugging, serial terminal, NFS root fs, on-board
532 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
533 IDE controller, PS2 keyboard, PS2 mouse, etc.
536 bool "Support for NEC DDB Vrc-5477"
537 select DMA_NONCOHERENT
541 select SYS_SUPPORTS_32BIT_KERNEL
542 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
544 This enables support for the R5432-based NEC DDB Vrc-5477,
545 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
547 Features : kernel debugging, serial terminal, NFS root fs, on-board
548 ether port USB, AC97, PCI, etc.
550 config DDB5477_BUS_FREQUENCY
551 int "bus frequency (in kHZ, 0 for auto-detect)"
556 bool "Support for Qemu"
558 select GENERIC_ISA_DMA
559 select HAVE_STD_PC_SERIAL_PORT
563 select SYS_SUPPORTS_32BIT_KERNEL
564 select SYS_SUPPORTS_BIG_ENDIAN
566 Qemu is a software emulator which among other architectures also
567 can simulate a MIPS32 4Kc system. This patch adds support for the
568 system architecture that currently is being simulated by Qemu. It
569 will eventually be removed again when Qemu has the capability to
570 simulate actual MIPS hardware platforms. More information on Qemu
571 can be found at http://www.linux-mips.org/wiki/Qemu.
574 bool "Support for SGI IP22 (Indy/Indigo2)"
578 select DMA_NONCOHERENT
579 select IP22_CPU_SCACHE
582 select SYS_SUPPORTS_32BIT_KERNEL
583 select SYS_SUPPORTS_64BIT_KERNEL
585 This are the SGI Indy, Challenge S and Indigo2, as well as certain
586 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
587 that runs on these, say Y here.
590 bool "Support for SGI IP27 (Origin200/2000)"
596 select SYS_SUPPORTS_64BIT_KERNEL
598 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
599 workstations. To compile a Linux kernel that runs on these, say Y
604 # depends on SGI_IP27
605 # This options adds support for userspace processes upto 16TB size.
606 # Normally the limit is just .5TB.
608 config SGI_SN0_N_MODE
612 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
613 configured in either N-Modes which allows for more nodes or M-Mode
614 which allows for more memory. Your system is most probably
615 running in M-Mode, so you should say N here.
617 config ARCH_DISCONTIGMEM_ENABLE
619 default y if SGI_IP27
621 Say Y to upport efficient handling of discontiguous physical memory,
622 for architectures which are either NUMA (Non-Uniform Memory Access)
623 or have huge holes in the physical address space for other reasons.
624 See <file:Documentation/vm/numa> for more.
630 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
631 Access). This option is for configuring high-end multiprocessor
632 server machines. If in doubt, say N.
635 bool "Mapped kernel support"
638 Change the way a Linux kernel is loaded into memory on a MIPS64
639 machine. This is required in order to support text replication and
640 NUMA. If you need to understand it, read the source code.
642 config REPLICATE_KTEXT
643 bool "Kernel text replication support"
646 Say Y here to enable replicating the kernel text across multiple
647 nodes in a NUMA cluster. This trades memory for speed.
649 config REPLICATE_EXHANDLERS
650 bool "Exception handler replication support"
653 Say Y here to enable replicating the kernel exception handlers
654 across multiple nodes in a NUMA cluster. This trades memory for
658 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
659 depends on EXPERIMENTAL
665 select DMA_NONCOHERENT
666 select HAS_TXX9_SERIAL
668 select R5000_CPU_SCACHE
669 select RM7000_CPU_SCACHE
670 select SYS_SUPPORTS_64BIT_KERNEL
672 If you want this kernel to run on SGI O2 workstation, say Y here.
679 bool "Support for AMD/Alchemy Au1X00 SOCs"
680 select SYS_SUPPORTS_32BIT_KERNEL
683 prompt "Au1X00 SOC Type"
684 depends on SOC_AU1X00
686 Say Y here to enable support for one of three AMD/Alchemy
687 SOCs. For additional documentation see www.amd.com.
698 config TOSHIBA_RBTX4938
699 bool "Support for Toshiba RBTX4938 board"
700 select HAVE_STD_PC_SERIAL_PORT
701 select DMA_NONCOHERENT
702 select GENERIC_ISA_DMA
703 select HAS_TXX9_SERIAL
708 select SYS_SUPPORTS_32BIT_KERNEL
709 select SYS_SUPPORTS_LITTLE_ENDIAN
710 select SYS_SUPPORTS_BIG_ENDIAN
711 select TOSHIBA_BOARDS
713 This Toshiba board is based on the TX4938 processor. Say Y here to
714 support this machine type
719 prompt "AMD/Alchemy Au1x00 board support"
720 depends on SOC_AU1X00
722 These are evaluation boards built by AMD/Alchemy to
723 showcase their Au1X00 Internet Edge Processors. The SOC design
724 is based on the MIPS32 architecture running at 266/400/500MHz
725 with many integrated peripherals. Further information can be
726 found at their website, <http://www.amd.com/>. Say Y here if you
727 wish to build a kernel for this platform.
731 depends on SOC_AU1000
732 select DMA_NONCOHERENT
738 depends on SOC_AU1100
739 select DMA_NONCOHERENT
745 depends on SOC_AU1500
746 select DMA_NONCOHERENT
751 depends on SOC_AU1550
754 select MIPS_DISABLE_OBSOLETE_IDE
757 bool "AMD Alchemy PB1200 board"
759 select DMA_NONCOHERENT
760 select MIPS_DISABLE_OBSOLETE_IDE
761 select SYS_SUPPORTS_BIG_ENDIAN
762 select SYS_SUPPORTS_LITTLE_ENDIAN
766 depends on SOC_AU1000
767 select DMA_NONCOHERENT
772 depends on SOC_AU1100
773 select DMA_NONCOHERENT
777 depends on SOC_AU1500
778 select DMA_NONCOHERENT
780 select MIPS_DISABLE_OBSOLETE_IDE
784 depends on SOC_AU1550
786 select DMA_NONCOHERENT
787 select MIPS_DISABLE_OBSOLETE_IDE
790 bool "Bosporus board"
791 depends on SOC_AU1500
792 select DMA_NONCOHERENT
795 bool "AMD Alchemy DB1200 board"
797 select DMA_NONCOHERENT
798 select MIPS_DISABLE_OBSOLETE_IDE
799 select SYS_SUPPORTS_LITTLE_ENDIAN
803 depends on SOC_AU1500
804 select DMA_NONCOHERENT
807 bool "MyCable XXS1500 board"
808 depends on SOC_AU1500
809 select DMA_NONCOHERENT
812 bool "4G Systems MTX-1 board"
813 depends on SOC_AU1500
815 select DMA_NONCOHERENT
820 bool "Support for SNI RM200 PCI"
824 select DMA_NONCOHERENT
825 select GENERIC_ISA_DMA
826 select HAVE_STD_PC_SERIAL_PORT
830 select SYS_SUPPORTS_32BIT_KERNEL
831 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
833 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
834 Nixdorf Informationssysteme (SNI), parent company of Pyramid
835 Technology and now in turn merged with Fujitsu. Say Y here to
836 support this machine type.
838 config TOSHIBA_RBTX4927
839 bool "Support for Toshiba TBTX49[23]7 board"
840 select DMA_NONCOHERENT
841 select HAS_TXX9_SERIAL
846 select SYS_SUPPORTS_32BIT_KERNEL
847 select SYS_SUPPORTS_64BIT_KERNEL
849 This Toshiba board is based on the TX4927 processor. Say Y here to
850 support this machine type
852 config TOSHIBA_FPCIB0
853 bool "FPCIB0 Backplane Support"
854 depends on TOSHIBA_RBTX4927
856 source "arch/mips/sgi-ip27/Kconfig"
857 source "arch/mips/sibyte/Kconfig"
858 source "arch/mips/tx4938/Kconfig"
859 source "arch/mips/philips/pnx8550/common/Kconfig"
861 config RWSEM_GENERIC_SPINLOCK
865 config RWSEM_XCHGADD_ALGORITHM
867 select HAS_TXX9_SERIAL
869 config GENERIC_CALIBRATE_DELAY
874 # Select some configuration options automatically based on user selections.
878 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
889 select DMA_NEED_PCI_MAP_STATE
891 config DMA_NONCOHERENT
893 select DMA_NEED_PCI_MAP_STATE
895 config DMA_NEED_PCI_MAP_STATE
900 depends on MACH_DECSTATION
903 config GENERIC_ISA_DMA
905 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
910 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
919 depends on MIPS_ATLAS || MIPS_MALTA
924 depends on MIPS_ATLAS || MIPS_MALTA
932 config MIPS_DISABLE_OBSOLETE_IDE
935 config CPU_LITTLE_ENDIAN
936 bool "Generate little endian code"
937 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
938 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
940 Some MIPS machines can be configured for either little or big endian
941 byte order. These modes require different kernels. Say Y if your
942 machine is little endian, N if it's a big endian machine.
953 config DDB5XXX_COMMON
955 depends on DDB5074 || DDB5476 || DDB5477
958 config MIPS_BOARDS_GEN
960 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
965 depends on MIPS_COBALT
970 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
975 depends on TOSHIBA_JMR3927
976 select HAS_TXX9_SERIAL
984 depends on MIPS_IVR || MIPS_ITE8172
993 select SYS_SUPPORTS_32BIT_KERNEL
994 select DMA_NONCOHERENT
1001 # Unfortunately not all GT64120 systems run the chip at the same clock.
1002 # As the user for the clock rate and try to minimize the available options.
1005 prompt "Galileo Chip Clock"
1006 #default SYSCLK_83 if MIPS_EV64120
1007 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1008 default SYSCLK_83 if MIPS_EV64120
1009 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1012 bool "75" if MIPS_EV64120
1015 bool "83.3" if MIPS_EV64120
1018 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1022 config AU1X00_USB_DEVICE
1024 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1029 depends on MIPS_EV96100
1032 Say Y here to support the Galileo Technology GT96100 communications
1033 controller card. There is a web page at <http://www.galileot.com/>.
1037 depends on MIPS_ITE8172 || MIPS_IVR
1042 depends on MIPS_ITE8172
1047 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1050 config MIPS_L1_CACHE_SHIFT
1052 default "4" if MACH_DECSTATION
1053 default "7" if SGI_IP27
1058 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1061 config HAVE_STD_PC_SERIAL_PORT
1065 bool "ARC console support"
1066 depends on SGI_IP22 || SNI_RM200_PCI
1070 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1075 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1088 #config MAPPED_PCI_IO y
1090 # depends on SGI_IP27
1093 config TOSHIBA_BOARDS
1095 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1100 menu "CPU selection"
1106 config CPU_MIPS32_R1
1107 bool "MIPS32 Release 1"
1108 select CPU_SUPPORTS_32BIT_KERNEL
1109 select CPU_HAS_PREFETCH
1111 Choose this option to build a kernel for release 2 or later of the
1112 MIPS32 architecture. Most modern embedded systems with a 32-bit
1113 MIPS processor are based on a MIPS32 processor. If you know the
1114 specific type of processor in your system, choose those that one
1115 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1116 Release 2 of the MIPS32 architecture is available since several
1117 years so chances are you even have a MIPS32 Release 2 processor
1118 in which case you should choose CPU_MIPS32_R2 instead for better
1121 config CPU_MIPS32_R2
1122 bool "MIPS32 Release 2"
1123 select CPU_SUPPORTS_32BIT_KERNEL
1124 select CPU_HAS_PREFETCH
1126 Choose this option to build a kernel for release 1 or later of the
1127 MIPS32 architecture. Most modern embedded systems with a 32-bit
1128 MIPS processor are based on a MIPS32 processor. If you know the
1129 specific type of processor in your system, choose those that one
1130 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1132 config CPU_MIPS64_R1
1133 bool "MIPS64 Release 1"
1134 select CPU_SUPPORTS_32BIT_KERNEL
1135 select CPU_SUPPORTS_64BIT_KERNEL
1136 select CPU_HAS_PREFETCH
1138 Choose this option to build a kernel for release 1 or later of the
1139 MIPS64 architecture. Many modern embedded systems with a 64-bit
1140 MIPS processor are based on a MIPS64 processor. If you know the
1141 specific type of processor in your system, choose those that one
1142 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1143 Release 2 of the MIPS64 architecture is available since several
1144 years so chances are you even have a MIPS64 Release 2 processor
1145 in which case you should choose CPU_MIPS64_R2 instead for better
1148 config CPU_MIPS64_R2
1149 bool "MIPS64 Release 2"
1150 select CPU_SUPPORTS_32BIT_KERNEL
1151 select CPU_SUPPORTS_64BIT_KERNEL
1152 select CPU_HAS_PREFETCH
1154 Choose this option to build a kernel for release 2 or later of the
1155 MIPS64 architecture. Many modern embedded systems with a 64-bit
1156 MIPS processor are based on a MIPS64 processor. If you know the
1157 specific type of processor in your system, choose those that one
1158 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1162 select CPU_SUPPORTS_32BIT_KERNEL
1164 Please make sure to pick the right CPU type. Linux/MIPS is not
1165 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1166 *not* work on R4000 machines and vice versa. However, since most
1167 of the supported machines have an R4000 (or similar) CPU, R4x00
1168 might be a safe bet. If the resulting kernel does not work,
1169 try to recompile with R3000.
1173 select CPU_SUPPORTS_32BIT_KERNEL
1177 select CPU_SUPPORTS_32BIT_KERNEL
1178 select CPU_SUPPORTS_64BIT_KERNEL
1180 The options selects support for the NEC VR41xx series of processors.
1181 Only choose this option if you have one of these processors as a
1182 kernel built with this option will not run on any other type of
1183 processor or vice versa.
1187 select CPU_SUPPORTS_32BIT_KERNEL
1188 select CPU_SUPPORTS_64BIT_KERNEL
1190 MIPS Technologies R4300-series processors.
1194 select CPU_SUPPORTS_32BIT_KERNEL
1195 select CPU_SUPPORTS_64BIT_KERNEL
1197 MIPS Technologies R4000-series processors other than 4300, including
1198 the R4000, R4400, R4600, and 4700.
1202 select CPU_SUPPORTS_32BIT_KERNEL
1203 select CPU_SUPPORTS_64BIT_KERNEL
1207 select CPU_SUPPORTS_32BIT_KERNEL
1208 select CPU_SUPPORTS_64BIT_KERNEL
1210 MIPS Technologies R5000-series processors other than the Nevada.
1217 depends on EXPERIMENTAL
1218 select CPU_SUPPORTS_32BIT_KERNEL
1220 MIPS Technologies R6000 and R6000A series processors. Note these
1221 processors are extremly rare and the support for them is incomplete.
1225 select CPU_SUPPORTS_32BIT_KERNEL
1226 select CPU_SUPPORTS_64BIT_KERNEL
1228 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1232 depends on EXPERIMENTAL
1233 select CPU_SUPPORTS_64BIT_KERNEL
1235 MIPS Technologies R8000 processors. Note these processors are
1236 uncommon and the support for them is incomplete.
1240 select CPU_SUPPORTS_32BIT_KERNEL
1241 select CPU_SUPPORTS_64BIT_KERNEL
1243 MIPS Technologies R10000-series processors.
1247 select CPU_SUPPORTS_32BIT_KERNEL
1248 select CPU_SUPPORTS_64BIT_KERNEL
1252 select CPU_SUPPORTS_32BIT_KERNEL
1253 select CPU_SUPPORTS_64BIT_KERNEL
1257 select CPU_SUPPORTS_32BIT_KERNEL
1258 select CPU_SUPPORTS_64BIT_KERNEL
1263 prompt "Kernel page size"
1264 default PAGE_SIZE_4KB
1266 config PAGE_SIZE_4KB
1269 This option select the standard 4kB Linux page size. On some
1270 R3000-family processors this is the only available page size. Using
1271 4kB page size will minimize memory consumption and is therefore
1272 recommended for low memory systems.
1274 config PAGE_SIZE_8KB
1276 depends on EXPERIMENTAL && CPU_R8000
1278 Using 8kB page size will result in higher performance kernel at
1279 the price of higher memory consumption. This option is available
1280 only on the R8000 processor. Not that at the time of this writing
1281 this option is still high experimental; there are also issues with
1282 compatibility of user applications.
1284 config PAGE_SIZE_16KB
1286 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1288 Using 16kB page size will result in higher performance kernel at
1289 the price of higher memory consumption. This option is available on
1290 all non-R3000 family processor. Not that at the time of this
1291 writing this option is still high experimental; there are also
1292 issues with compatibility of user applications.
1294 config PAGE_SIZE_64KB
1296 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1298 Using 64kB page size will result in higher performance kernel at
1299 the price of higher memory consumption. This option is available on
1300 all non-R3000 family processor. Not that at the time of this
1301 writing this option is still high experimental; there are also
1302 issues with compatibility of user applications.
1309 config IP22_CPU_SCACHE
1313 config R5000_CPU_SCACHE
1317 config RM7000_CPU_SCACHE
1321 config SIBYTE_DMA_PAGEOPS
1322 bool "Use DMA to clear/copy pages"
1325 Instead of using the CPU to zero and copy pages, use a Data Mover
1326 channel. These DMA channels are otherwise unused by the standard
1327 SiByte Linux port. Seems to give a small performance benefit.
1329 config CPU_HAS_PREFETCH
1333 bool "Enable MIPS MT"
1335 config MIPS_VPE_LOADER
1336 bool "VPE loader support."
1339 Includes a loader for loading an elf relocatable object
1340 onto another VPE and running it.
1342 config MIPS_VPE_LOADER_TOM
1343 bool "Load VPE program into memory hidden from linux"
1344 depends on MIPS_VPE_LOADER
1347 The loader can use memory that is present but has been hidden from
1348 Linux using the kernel command line option "mem=xxMB". It's up to
1349 you to ensure the amount you put in the option and the space your
1350 program requires is less or equal to the amount physically present.
1352 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1353 config MIPS_VPE_APSP_API
1354 bool "Enable support for AP/SP API (RTLX)"
1355 depends on MIPS_VPE_LOADER
1358 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1359 default y if CPU_SB1
1361 config SB1_PASS_1_WORKAROUNDS
1363 depends on CPU_SB1_PASS_1
1366 config SB1_PASS_2_WORKAROUNDS
1368 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1371 config SB1_PASS_2_1_WORKAROUNDS
1373 depends on CPU_SB1 && CPU_SB1_PASS_2
1376 config 64BIT_PHYS_ADDR
1377 bool "Support for 64-bit physical address space"
1378 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1381 bool "Override CPU Options"
1384 Saying yes here allows you to select support for various features
1385 your CPU may or may not have. Most people should say N here.
1388 bool "ll/sc Instructions available" if CPU_ADVANCED
1389 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1391 MIPS R4000 series and later provide the Load Linked (ll)
1392 and Store Conditional (sc) instructions. More information is
1393 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1395 Say Y here if your CPU has the ll and sc instructions. Say Y here
1396 for better performance, N if you don't know. You must say Y here
1397 for multiprocessor machines.
1399 config CPU_HAS_LLDSCD
1400 bool "lld/scd Instructions available" if CPU_ADVANCED
1401 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1403 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1404 equivalents of ll and sc. Say Y here for better performance, N if
1405 you don't know. You must say Y here for multiprocessor machines.
1408 bool "Writeback Buffer available" if CPU_ADVANCED
1409 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1411 Say N here for slightly better performance. You must say Y here for
1412 machines which require flushing of write buffers in software. Saying
1413 Y is the safe option; N may result in kernel malfunction and crashes.
1415 menu "MIPSR2 Interrupt handling"
1416 depends on CPU_MIPSR2 && CPU_ADVANCED
1418 config CPU_MIPSR2_IRQ_VI
1419 bool "Vectored interrupt mode"
1421 Vectored interrupt mode allowing faster dispatching of interrupts.
1422 The board support code needs to be written to take advantage of this
1423 mode. Compatibility code is included to allow the kernel to run on
1424 a CPU that does not support vectored interrupts. It's safe to
1427 config CPU_MIPSR2_IRQ_EI
1428 bool "External interrupt controller mode"
1430 Extended interrupt mode takes advantage of an external interrupt
1431 controller to allow fast dispatching from many possible interrupt
1432 sources. Say N unless you know that external interrupt support is
1435 config CPU_MIPSR2_SRS
1436 bool "Make shadow set registers available for interrupt handlers"
1437 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1439 Allow the kernel to use shadow register sets for fast interrupts.
1440 Interrupt handlers must be specially written to use shadow sets.
1441 Say N unless you know that shadow register set upport is needed.
1446 depends on !CPU_R3000
1450 # - Highmem only makes sense for the 32-bit kernel.
1451 # - The current highmem code will only work properly on physically indexed
1452 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1453 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1454 # moment we protect the user and offer the highmem option only on machines
1455 # where it's known to be safe. This will not offer highmem on a few systems
1456 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1457 # indexed CPUs but we're playing safe.
1458 # - We should not offer highmem for system of which we already know that they
1459 # don't have memory configurations that could gain from highmem support in
1460 # the kernel because they don't support configurations with RAM at physical
1461 # addresses > 0x20000000.
1464 bool "High Memory Support"
1465 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1467 config ARCH_FLATMEM_ENABLE
1474 bool "Multi-Processing support"
1475 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1477 This enables support for systems with more than one CPU. If you have
1478 a system with only one CPU, like most personal computers, say N. If
1479 you have a system with more than one CPU, say Y.
1481 If you say N here, the kernel will run on single and multiprocessor
1482 machines, but will use only one CPU of a multiprocessor machine. If
1483 you say Y here, the kernel will run on many, but not all,
1484 singleprocessor machines. On a singleprocessor machine, the kernel
1485 will run faster if you say N here.
1487 People using multiprocessor machines who say Y here should also say
1488 Y to "Enhanced Real Time Clock Support", below.
1490 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1491 available at <http://www.tldp.org/docs.html#howto>.
1493 If you don't know what to do here, say N.
1496 int "Maximum number of CPUs (2-64)"
1499 default "64" if SGI_IP27
1502 This allows you to specify the maximum number of CPUs which this
1503 kernel will support. The maximum supported value is 32 for 32-bit
1504 kernel and 64 for 64-bit kernels; the minimum value which makes
1507 This is purely to save memory - each supported CPU adds
1508 approximately eight kilobytes to the kernel image.
1510 source "kernel/Kconfig.preempt"
1513 bool "DS1742 BRAM/RTC support"
1514 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1516 config MIPS_INSANE_LARGE
1517 bool "Support for large 64-bit configurations"
1518 depends on CPU_R10000 && 64BIT
1520 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1521 previous 64-bit processors which only supported 40 bit / 1TB. If you
1522 need processes of more than 1TB virtual address space, say Y here.
1523 This will result in additional memory usage, so it is not
1524 recommended for normal users.
1526 config RWSEM_GENERIC_SPINLOCK
1532 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1538 bool "Support for PCI controller"
1539 depends on HW_HAS_PCI
1541 Find out whether you have a PCI motherboard. PCI is the name of a
1542 bus system, i.e. the way the CPU talks to the other stuff inside
1543 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1546 The PCI-HOWTO, available from
1547 <http://www.tldp.org/docs.html#howto>, contains valuable
1548 information about which PCI hardware does work under Linux and which
1555 source "drivers/pci/Kconfig"
1558 # ISA support is now enabled via select. Too many systems still have the one
1559 # or other ISA chip on the board that users don't know about so don't expect
1560 # users to choose the right thing ...
1567 depends on SGI_IP22 || SNI_RM200_PCI
1570 The Extended Industry Standard Architecture (EISA) bus was
1571 developed as an open alternative to the IBM MicroChannel bus.
1573 The EISA bus provided some of the features of the IBM MicroChannel
1574 bus while maintaining backward compatibility with cards made for
1575 the older ISA bus. The EISA bus saw limited use between 1988 and
1576 1995 when it was made obsolete by the PCI bus.
1578 Say Y here if you are building a kernel for an EISA-based machine.
1582 source "drivers/eisa/Kconfig"
1585 bool "TURBOchannel support"
1586 depends on MACH_DECSTATION
1588 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1589 processors. Documentation on writing device drivers for TurboChannel
1591 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1594 # bool "Access.Bus support"
1607 source "drivers/pcmcia/Kconfig"
1609 source "drivers/pci/hotplug/Kconfig"
1613 menu "Executable file formats"
1615 source "fs/Kconfig.binfmt"
1622 bool "Use 64-bit ELF format for building"
1625 A 64-bit kernel is usually built using the 64-bit ELF binary object
1626 format as it's one that allows arbitrary 64-bit constructs. For
1627 kernels that are loaded within the KSEG compatibility segments the
1628 32-bit ELF format can optionally be used resulting in a somewhat
1629 smaller binary, but this option is not explicitly supported by the
1630 toolchain and since binutils 2.14 it does not even work at all.
1632 Say Y to use the 64-bit format or N to use the 32-bit one.
1637 bool "Include IRIX binary compatibility"
1638 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1640 config MIPS32_COMPAT
1641 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1644 Select this option if you want Linux/MIPS 32-bit binary
1645 compatibility. Since all software available for Linux/MIPS is
1646 currently 32-bit you should say Y here.
1650 depends on MIPS32_COMPAT
1654 bool "Kernel support for o32 binaries"
1655 depends on MIPS32_COMPAT
1657 Select this option if you want to run o32 binaries. These are pure
1658 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1659 existing binaries are in this format.
1664 bool "Kernel support for n32 binaries"
1665 depends on MIPS32_COMPAT
1667 Select this option if you want to run n32 binaries. These are
1668 64-bit binaries using 32-bit quantities for addressing and certain
1669 data that would normally be 64-bit. They are used in special
1676 default y if MIPS32_O32 || MIPS32_N32
1679 bool "Enable seccomp to safely compute untrusted bytecode"
1680 depends on PROC_FS && BROKEN
1683 This kernel feature is useful for number crunching applications
1684 that may need to compute untrusted bytecode during their
1685 execution. By using pipes or other transports made available to
1686 the process as file descriptors supporting the read/write
1687 syscalls, it's possible to isolate those applications in
1688 their own address space using seccomp. Once seccomp is
1689 enabled via /proc/<pid>/seccomp, it cannot be disabled
1690 and the task is only allowed to execute a few safe syscalls
1691 defined by each seccomp mode.
1693 If unsure, say Y. Only embedded should say N here.
1696 bool "Power Management support (EXPERIMENTAL)"
1697 depends on EXPERIMENTAL && MACH_AU1X00
1701 source "net/Kconfig"
1703 source "drivers/Kconfig"
1707 source "arch/mips/Kconfig.debug"
1709 source "security/Kconfig"
1711 source "crypto/Kconfig"
1713 source "lib/Kconfig"
1716 # Use the generic interrupt handling code in kernel/irq/:
1718 config GENERIC_HARDIRQS
1722 config GENERIC_IRQ_PROBE