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 NEC DDB Vrc-5074 (EXPERIMENTAL)"
494 depends on EXPERIMENTAL
495 select DMA_NONCOHERENT
496 select HAVE_STD_PC_SERIAL_PORT
501 select SYS_SUPPORTS_32BIT_KERNEL
502 select SYS_SUPPORTS_64BIT_KERNEL
504 This enables support for the VR5000-based NEC DDB Vrc-5074
508 bool "Support for NEC DDB Vrc-5476"
509 select DMA_NONCOHERENT
510 select HAVE_STD_PC_SERIAL_PORT
515 select SYS_SUPPORTS_32BIT_KERNEL
516 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
518 This enables support for the R5432-based NEC DDB Vrc-5476
521 Features : kernel debugging, serial terminal, NFS root fs, on-board
522 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
523 IDE controller, PS2 keyboard, PS2 mouse, etc.
526 bool "Support for NEC DDB Vrc-5477"
527 select DMA_NONCOHERENT
531 select SYS_SUPPORTS_32BIT_KERNEL
532 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
534 This enables support for the R5432-based NEC DDB Vrc-5477,
535 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
537 Features : kernel debugging, serial terminal, NFS root fs, on-board
538 ether port USB, AC97, PCI, etc.
540 config DDB5477_BUS_FREQUENCY
541 int "bus frequency (in kHZ, 0 for auto-detect)"
546 bool "Support for Qemu"
548 select GENERIC_ISA_DMA
549 select HAVE_STD_PC_SERIAL_PORT
553 select SYS_SUPPORTS_32BIT_KERNEL
554 select SYS_SUPPORTS_BIG_ENDIAN
556 Qemu is a software emulator which among other architectures also
557 can simulate a MIPS32 4Kc system. This patch adds support for the
558 system architecture that currently is being simulated by Qemu. It
559 will eventually be removed again when Qemu has the capability to
560 simulate actual MIPS hardware platforms. More information on Qemu
561 can be found at http://www.linux-mips.org/wiki/Qemu.
564 bool "Support for SGI IP22 (Indy/Indigo2)"
568 select DMA_NONCOHERENT
569 select IP22_CPU_SCACHE
572 select SYS_SUPPORTS_32BIT_KERNEL
573 select SYS_SUPPORTS_64BIT_KERNEL
575 This are the SGI Indy, Challenge S and Indigo2, as well as certain
576 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
577 that runs on these, say Y here.
580 bool "Support for SGI IP27 (Origin200/2000)"
586 select SYS_SUPPORTS_64BIT_KERNEL
588 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
589 workstations. To compile a Linux kernel that runs on these, say Y
594 # depends on SGI_IP27
595 # This options adds support for userspace processes upto 16TB size.
596 # Normally the limit is just .5TB.
598 config SGI_SN0_N_MODE
602 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
603 configured in either N-Modes which allows for more nodes or M-Mode
604 which allows for more memory. Your system is most probably
605 running in M-Mode, so you should say N here.
607 config ARCH_DISCONTIGMEM_ENABLE
609 default y if SGI_IP27
611 Say Y to upport efficient handling of discontiguous physical memory,
612 for architectures which are either NUMA (Non-Uniform Memory Access)
613 or have huge holes in the physical address space for other reasons.
614 See <file:Documentation/vm/numa> for more.
620 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
621 Access). This option is for configuring high-end multiprocessor
622 server machines. If in doubt, say N.
625 bool "Mapped kernel support"
628 Change the way a Linux kernel is loaded into memory on a MIPS64
629 machine. This is required in order to support text replication and
630 NUMA. If you need to understand it, read the source code.
632 config REPLICATE_KTEXT
633 bool "Kernel text replication support"
636 Say Y here to enable replicating the kernel text across multiple
637 nodes in a NUMA cluster. This trades memory for speed.
639 config REPLICATE_EXHANDLERS
640 bool "Exception handler replication support"
643 Say Y here to enable replicating the kernel exception handlers
644 across multiple nodes in a NUMA cluster. This trades memory for
648 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
649 depends on EXPERIMENTAL
655 select DMA_NONCOHERENT
656 select HAS_TXX9_SERIAL
658 select R5000_CPU_SCACHE
659 select RM7000_CPU_SCACHE
660 select SYS_SUPPORTS_64BIT_KERNEL
662 If you want this kernel to run on SGI O2 workstation, say Y here.
669 bool "Support for AMD/Alchemy Au1X00 SOCs"
670 select SYS_SUPPORTS_32BIT_KERNEL
673 prompt "Au1X00 SOC Type"
674 depends on SOC_AU1X00
676 Say Y here to enable support for one of three AMD/Alchemy
677 SOCs. For additional documentation see www.amd.com.
691 prompt "AMD/Alchemy Au1x00 board support"
692 depends on SOC_AU1X00
694 These are evaluation boards built by AMD/Alchemy to
695 showcase their Au1X00 Internet Edge Processors. The SOC design
696 is based on the MIPS32 architecture running at 266/400/500MHz
697 with many integrated peripherals. Further information can be
698 found at their website, <http://www.amd.com/>. Say Y here if you
699 wish to build a kernel for this platform.
703 depends on SOC_AU1000
704 select DMA_NONCOHERENT
710 depends on SOC_AU1100
711 select DMA_NONCOHERENT
717 depends on SOC_AU1500
718 select DMA_NONCOHERENT
723 depends on SOC_AU1550
726 select MIPS_DISABLE_OBSOLETE_IDE
729 bool "AMD Alchemy PB1200 board"
731 select DMA_NONCOHERENT
732 select MIPS_DISABLE_OBSOLETE_IDE
733 select SYS_SUPPORTS_BIG_ENDIAN
734 select SYS_SUPPORTS_LITTLE_ENDIAN
738 depends on SOC_AU1000
739 select DMA_NONCOHERENT
744 depends on SOC_AU1100
745 select DMA_NONCOHERENT
749 depends on SOC_AU1500
750 select DMA_NONCOHERENT
752 select MIPS_DISABLE_OBSOLETE_IDE
756 depends on SOC_AU1550
758 select DMA_NONCOHERENT
759 select MIPS_DISABLE_OBSOLETE_IDE
762 bool "Bosporus board"
763 depends on SOC_AU1500
764 select DMA_NONCOHERENT
767 bool "AMD Alchemy DB1200 board"
769 select DMA_NONCOHERENT
770 select MIPS_DISABLE_OBSOLETE_IDE
771 select SYS_SUPPORTS_LITTLE_ENDIAN
775 depends on SOC_AU1500
776 select DMA_NONCOHERENT
779 bool "MyCable XXS1500 board"
780 depends on SOC_AU1500
781 select DMA_NONCOHERENT
784 bool "4G Systems MTX-1 board"
785 depends on SOC_AU1500
787 select DMA_NONCOHERENT
792 bool "Support for SNI RM200 PCI"
796 select DMA_NONCOHERENT
797 select GENERIC_ISA_DMA
798 select HAVE_STD_PC_SERIAL_PORT
802 select SYS_SUPPORTS_32BIT_KERNEL
803 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
805 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
806 Nixdorf Informationssysteme (SNI), parent company of Pyramid
807 Technology and now in turn merged with Fujitsu. Say Y here to
808 support this machine type.
810 config TOSHIBA_RBTX4927
811 bool "Support for Toshiba TBTX49[23]7 board"
812 select DMA_NONCOHERENT
813 select HAS_TXX9_SERIAL
818 select SYS_SUPPORTS_32BIT_KERNEL
819 select SYS_SUPPORTS_64BIT_KERNEL
821 This Toshiba board is based on the TX4927 processor. Say Y here to
822 support this machine type
824 config TOSHIBA_FPCIB0
825 bool "FPCIB0 Backplane Support"
826 depends on TOSHIBA_RBTX4927
828 source "arch/mips/sgi-ip27/Kconfig"
829 source "arch/mips/sibyte/Kconfig"
831 config RWSEM_GENERIC_SPINLOCK
835 config RWSEM_XCHGADD_ALGORITHM
837 select HAS_TXX9_SERIAL
839 config GENERIC_CALIBRATE_DELAY
844 # Select some configuration options automatically based on user selections.
848 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
859 select DMA_NEED_PCI_MAP_STATE
861 config DMA_NONCOHERENT
863 select DMA_NEED_PCI_MAP_STATE
865 config DMA_NEED_PCI_MAP_STATE
870 depends on MACH_DECSTATION
873 config GENERIC_ISA_DMA
875 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
880 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
889 depends on MIPS_ATLAS || MIPS_MALTA
894 depends on MIPS_ATLAS || MIPS_MALTA
902 config MIPS_DISABLE_OBSOLETE_IDE
905 config CPU_LITTLE_ENDIAN
906 bool "Generate little endian code"
907 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
908 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
910 Some MIPS machines can be configured for either little or big endian
911 byte order. These modes require different kernels. Say Y if your
912 machine is little endian, N if it's a big endian machine.
923 config DDB5XXX_COMMON
925 depends on DDB5074 || DDB5476 || DDB5477
928 config MIPS_BOARDS_GEN
930 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
935 depends on MIPS_COBALT
940 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
945 depends on TOSHIBA_JMR3927
946 select HAS_TXX9_SERIAL
954 depends on MIPS_IVR || MIPS_ITE8172
961 # Unfortunately not all GT64120 systems run the chip at the same clock.
962 # As the user for the clock rate and try to minimize the available options.
965 prompt "Galileo Chip Clock"
966 #default SYSCLK_83 if MIPS_EV64120
967 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
968 default SYSCLK_83 if MIPS_EV64120
969 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
972 bool "75" if MIPS_EV64120
975 bool "83.3" if MIPS_EV64120
978 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
982 config AU1X00_USB_DEVICE
984 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
989 depends on MIPS_EV96100
992 Say Y here to support the Galileo Technology GT96100 communications
993 controller card. There is a web page at <http://www.galileot.com/>.
997 depends on MIPS_ITE8172 || MIPS_IVR
1002 depends on MIPS_ITE8172
1007 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1010 config MIPS_L1_CACHE_SHIFT
1012 default "4" if MACH_DECSTATION
1013 default "7" if SGI_IP27
1018 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1021 config HAVE_STD_PC_SERIAL_PORT
1025 bool "ARC console support"
1026 depends on SGI_IP22 || SNI_RM200_PCI
1030 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1035 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1048 #config MAPPED_PCI_IO y
1050 # depends on SGI_IP27
1058 config TOSHIBA_BOARDS
1060 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1065 menu "CPU selection"
1071 config CPU_MIPS32_R1
1072 bool "MIPS32 Release 1"
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_HAS_PREFETCH
1076 Choose this option to build a kernel for release 2 or later of the
1077 MIPS32 architecture. Most modern embedded systems with a 32-bit
1078 MIPS processor are based on a MIPS32 processor. If you know the
1079 specific type of processor in your system, choose those that one
1080 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1081 Release 2 of the MIPS32 architecture is available since several
1082 years so chances are you even have a MIPS32 Release 2 processor
1083 in which case you should choose CPU_MIPS32_R2 instead for better
1086 config CPU_MIPS32_R2
1087 bool "MIPS32 Release 2"
1088 select CPU_SUPPORTS_32BIT_KERNEL
1089 select CPU_HAS_PREFETCH
1091 Choose this option to build a kernel for release 1 or later of the
1092 MIPS32 architecture. Most modern embedded systems with a 32-bit
1093 MIPS processor are based on a MIPS32 processor. If you know the
1094 specific type of processor in your system, choose those that one
1095 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1097 config CPU_MIPS64_R1
1098 bool "MIPS64 Release 1"
1099 select CPU_SUPPORTS_32BIT_KERNEL
1100 select CPU_SUPPORTS_64BIT_KERNEL
1101 select CPU_HAS_PREFETCH
1103 Choose this option to build a kernel for release 1 or later of the
1104 MIPS64 architecture. Many modern embedded systems with a 64-bit
1105 MIPS processor are based on a MIPS64 processor. If you know the
1106 specific type of processor in your system, choose those that one
1107 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1108 Release 2 of the MIPS64 architecture is available since several
1109 years so chances are you even have a MIPS64 Release 2 processor
1110 in which case you should choose CPU_MIPS64_R2 instead for better
1113 config CPU_MIPS64_R2
1114 bool "MIPS64 Release 2"
1115 select CPU_SUPPORTS_32BIT_KERNEL
1116 select CPU_SUPPORTS_64BIT_KERNEL
1117 select CPU_HAS_PREFETCH
1119 Choose this option to build a kernel for release 2 or later of the
1120 MIPS64 architecture. Many modern embedded systems with a 64-bit
1121 MIPS processor are based on a MIPS64 processor. If you know the
1122 specific type of processor in your system, choose those that one
1123 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1127 select CPU_SUPPORTS_32BIT_KERNEL
1129 Please make sure to pick the right CPU type. Linux/MIPS is not
1130 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1131 *not* work on R4000 machines and vice versa. However, since most
1132 of the supported machines have an R4000 (or similar) CPU, R4x00
1133 might be a safe bet. If the resulting kernel does not work,
1134 try to recompile with R3000.
1138 select CPU_SUPPORTS_32BIT_KERNEL
1142 select CPU_SUPPORTS_32BIT_KERNEL
1143 select CPU_SUPPORTS_64BIT_KERNEL
1145 The options selects support for the NEC VR41xx series of processors.
1146 Only choose this option if you have one of these processors as a
1147 kernel built with this option will not run on any other type of
1148 processor or vice versa.
1152 select CPU_SUPPORTS_32BIT_KERNEL
1153 select CPU_SUPPORTS_64BIT_KERNEL
1155 MIPS Technologies R4300-series processors.
1159 select CPU_SUPPORTS_32BIT_KERNEL
1160 select CPU_SUPPORTS_64BIT_KERNEL
1162 MIPS Technologies R4000-series processors other than 4300, including
1163 the R4000, R4400, R4600, and 4700.
1167 select CPU_SUPPORTS_32BIT_KERNEL
1168 select CPU_SUPPORTS_64BIT_KERNEL
1172 select CPU_SUPPORTS_32BIT_KERNEL
1173 select CPU_SUPPORTS_64BIT_KERNEL
1175 MIPS Technologies R5000-series processors other than the Nevada.
1182 depends on EXPERIMENTAL
1183 select CPU_SUPPORTS_32BIT_KERNEL
1185 MIPS Technologies R6000 and R6000A series processors. Note these
1186 processors are extremly rare and the support for them is incomplete.
1190 select CPU_SUPPORTS_32BIT_KERNEL
1191 select CPU_SUPPORTS_64BIT_KERNEL
1193 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1197 depends on EXPERIMENTAL
1198 select CPU_SUPPORTS_64BIT_KERNEL
1200 MIPS Technologies R8000 processors. Note these processors are
1201 uncommon and the support for them is incomplete.
1205 select CPU_SUPPORTS_32BIT_KERNEL
1206 select CPU_SUPPORTS_64BIT_KERNEL
1208 MIPS Technologies R10000-series processors.
1212 select CPU_SUPPORTS_32BIT_KERNEL
1213 select CPU_SUPPORTS_64BIT_KERNEL
1217 select CPU_SUPPORTS_32BIT_KERNEL
1218 select CPU_SUPPORTS_64BIT_KERNEL
1222 select CPU_SUPPORTS_32BIT_KERNEL
1223 select CPU_SUPPORTS_64BIT_KERNEL
1228 prompt "Kernel page size"
1229 default PAGE_SIZE_4KB
1231 config PAGE_SIZE_4KB
1234 This option select the standard 4kB Linux page size. On some
1235 R3000-family processors this is the only available page size. Using
1236 4kB page size will minimize memory consumption and is therefore
1237 recommended for low memory systems.
1239 config PAGE_SIZE_8KB
1241 depends on EXPERIMENTAL && CPU_R8000
1243 Using 8kB page size will result in higher performance kernel at
1244 the price of higher memory consumption. This option is available
1245 only on the R8000 processor. Not that at the time of this writing
1246 this option is still high experimental; there are also issues with
1247 compatibility of user applications.
1249 config PAGE_SIZE_16KB
1251 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1253 Using 16kB page size will result in higher performance kernel at
1254 the price of higher memory consumption. This option is available on
1255 all non-R3000 family processor. Not that at the time of this
1256 writing this option is still high experimental; there are also
1257 issues with compatibility of user applications.
1259 config PAGE_SIZE_64KB
1261 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1263 Using 64kB page size will result in higher performance kernel at
1264 the price of higher memory consumption. This option is available on
1265 all non-R3000 family processor. Not that at the time of this
1266 writing this option is still high experimental; there are also
1267 issues with compatibility of user applications.
1274 config IP22_CPU_SCACHE
1278 config R5000_CPU_SCACHE
1282 config RM7000_CPU_SCACHE
1286 config SIBYTE_DMA_PAGEOPS
1287 bool "Use DMA to clear/copy pages"
1290 Instead of using the CPU to zero and copy pages, use a Data Mover
1291 channel. These DMA channels are otherwise unused by the standard
1292 SiByte Linux port. Seems to give a small performance benefit.
1294 config CPU_HAS_PREFETCH
1295 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1296 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1299 bool "Enable MIPS MT"
1301 config MIPS_VPE_LOADER
1302 bool "VPE loader support."
1305 Includes a loader for loading an elf relocatable object
1306 onto another VPE and running it.
1308 config MIPS_VPE_LOADER_TOM
1309 bool "Load VPE program into memory hidden from linux"
1310 depends on MIPS_VPE_LOADER
1313 The loader can use memory that is present but has been hidden from
1314 Linux using the kernel command line option "mem=xxMB". It's up to
1315 you to ensure the amount you put in the option and the space your
1316 program requires is less or equal to the amount physically present.
1318 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1319 config MIPS_VPE_APSP_API
1320 bool "Enable support for AP/SP API (RTLX)"
1321 depends on MIPS_VPE_LOADER
1324 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1325 default y if CPU_SB1
1327 config SB1_PASS_1_WORKAROUNDS
1329 depends on CPU_SB1_PASS_1
1332 config SB1_PASS_2_WORKAROUNDS
1334 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1337 config SB1_PASS_2_1_WORKAROUNDS
1339 depends on CPU_SB1 && CPU_SB1_PASS_2
1342 config 64BIT_PHYS_ADDR
1343 bool "Support for 64-bit physical address space"
1344 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1347 bool "Override CPU Options"
1350 Saying yes here allows you to select support for various features
1351 your CPU may or may not have. Most people should say N here.
1354 bool "ll/sc Instructions available" if CPU_ADVANCED
1355 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1357 MIPS R4000 series and later provide the Load Linked (ll)
1358 and Store Conditional (sc) instructions. More information is
1359 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1361 Say Y here if your CPU has the ll and sc instructions. Say Y here
1362 for better performance, N if you don't know. You must say Y here
1363 for multiprocessor machines.
1365 config CPU_HAS_LLDSCD
1366 bool "lld/scd Instructions available" if CPU_ADVANCED
1367 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1369 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1370 equivalents of ll and sc. Say Y here for better performance, N if
1371 you don't know. You must say Y here for multiprocessor machines.
1374 bool "Writeback Buffer available" if CPU_ADVANCED
1375 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1377 Say N here for slightly better performance. You must say Y here for
1378 machines which require flushing of write buffers in software. Saying
1379 Y is the safe option; N may result in kernel malfunction and crashes.
1381 menu "MIPSR2 Interrupt handling"
1382 depends on CPU_MIPSR2 && CPU_ADVANCED
1384 config CPU_MIPSR2_IRQ_VI
1385 bool "Vectored interrupt mode"
1387 Vectored interrupt mode allowing faster dispatching of interrupts.
1388 The board support code needs to be written to take advantage of this
1389 mode. Compatibility code is included to allow the kernel to run on
1390 a CPU that does not support vectored interrupts. It's safe to
1393 config CPU_MIPSR2_IRQ_EI
1394 bool "External interrupt controller mode"
1396 Extended interrupt mode takes advantage of an external interrupt
1397 controller to allow fast dispatching from many possible interrupt
1398 sources. Say N unless you know that external interrupt support is
1401 config CPU_MIPSR2_SRS
1402 bool "Make shadow set registers available for interrupt handlers"
1403 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1405 Allow the kernel to use shadow register sets for fast interrupts.
1406 Interrupt handlers must be specially written to use shadow sets.
1407 Say N unless you know that shadow register set upport is needed.
1412 depends on !CPU_R3000
1416 # - Highmem only makes sense for the 32-bit kernel.
1417 # - The current highmem code will only work properly on physically indexed
1418 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1419 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1420 # moment we protect the user and offer the highmem option only on machines
1421 # where it's known to be safe. This will not offer highmem on a few systems
1422 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1423 # indexed CPUs but we're playing safe.
1424 # - We should not offer highmem for system of which we already know that they
1425 # don't have memory configurations that could gain from highmem support in
1426 # the kernel because they don't support configurations with RAM at physical
1427 # addresses > 0x20000000.
1430 bool "High Memory Support"
1431 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1433 config ARCH_FLATMEM_ENABLE
1440 bool "Multi-Processing support"
1441 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1443 This enables support for systems with more than one CPU. If you have
1444 a system with only one CPU, like most personal computers, say N. If
1445 you have a system with more than one CPU, say Y.
1447 If you say N here, the kernel will run on single and multiprocessor
1448 machines, but will use only one CPU of a multiprocessor machine. If
1449 you say Y here, the kernel will run on many, but not all,
1450 singleprocessor machines. On a singleprocessor machine, the kernel
1451 will run faster if you say N here.
1453 People using multiprocessor machines who say Y here should also say
1454 Y to "Enhanced Real Time Clock Support", below.
1456 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1457 available at <http://www.tldp.org/docs.html#howto>.
1459 If you don't know what to do here, say N.
1462 int "Maximum number of CPUs (2-64)"
1465 default "64" if SGI_IP27
1468 This allows you to specify the maximum number of CPUs which this
1469 kernel will support. The maximum supported value is 32 for 32-bit
1470 kernel and 64 for 64-bit kernels; the minimum value which makes
1473 This is purely to save memory - each supported CPU adds
1474 approximately eight kilobytes to the kernel image.
1476 source "kernel/Kconfig.preempt"
1479 bool "DS1742 BRAM/RTC support"
1480 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1482 config MIPS_INSANE_LARGE
1483 bool "Support for large 64-bit configurations"
1484 depends on CPU_R10000 && 64BIT
1486 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1487 previous 64-bit processors which only supported 40 bit / 1TB. If you
1488 need processes of more than 1TB virtual address space, say Y here.
1489 This will result in additional memory usage, so it is not
1490 recommended for normal users.
1492 config RWSEM_GENERIC_SPINLOCK
1498 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1504 bool "Support for PCI controller"
1505 depends on HW_HAS_PCI
1507 Find out whether you have a PCI motherboard. PCI is the name of a
1508 bus system, i.e. the way the CPU talks to the other stuff inside
1509 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1512 The PCI-HOWTO, available from
1513 <http://www.tldp.org/docs.html#howto>, contains valuable
1514 information about which PCI hardware does work under Linux and which
1521 source "drivers/pci/Kconfig"
1524 # ISA support is now enabled via select. Too many systems still have the one
1525 # or other ISA chip on the board that users don't know about so don't expect
1526 # users to choose the right thing ...
1533 depends on SGI_IP22 || SNI_RM200_PCI
1536 The Extended Industry Standard Architecture (EISA) bus was
1537 developed as an open alternative to the IBM MicroChannel bus.
1539 The EISA bus provided some of the features of the IBM MicroChannel
1540 bus while maintaining backward compatibility with cards made for
1541 the older ISA bus. The EISA bus saw limited use between 1988 and
1542 1995 when it was made obsolete by the PCI bus.
1544 Say Y here if you are building a kernel for an EISA-based machine.
1548 source "drivers/eisa/Kconfig"
1551 bool "TURBOchannel support"
1552 depends on MACH_DECSTATION
1554 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1555 processors. Documentation on writing device drivers for TurboChannel
1557 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1560 # bool "Access.Bus support"
1573 source "drivers/pcmcia/Kconfig"
1575 source "drivers/pci/hotplug/Kconfig"
1579 menu "Executable file formats"
1581 source "fs/Kconfig.binfmt"
1588 bool "Use 64-bit ELF format for building"
1591 A 64-bit kernel is usually built using the 64-bit ELF binary object
1592 format as it's one that allows arbitrary 64-bit constructs. For
1593 kernels that are loaded within the KSEG compatibility segments the
1594 32-bit ELF format can optionally be used resulting in a somewhat
1595 smaller binary, but this option is not explicitly supported by the
1596 toolchain and since binutils 2.14 it does not even work at all.
1598 Say Y to use the 64-bit format or N to use the 32-bit one.
1603 bool "Include IRIX binary compatibility"
1604 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1606 config MIPS32_COMPAT
1607 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1610 Select this option if you want Linux/MIPS 32-bit binary
1611 compatibility. Since all software available for Linux/MIPS is
1612 currently 32-bit you should say Y here.
1616 depends on MIPS32_COMPAT
1620 bool "Kernel support for o32 binaries"
1621 depends on MIPS32_COMPAT
1623 Select this option if you want to run o32 binaries. These are pure
1624 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1625 existing binaries are in this format.
1630 bool "Kernel support for n32 binaries"
1631 depends on MIPS32_COMPAT
1633 Select this option if you want to run n32 binaries. These are
1634 64-bit binaries using 32-bit quantities for addressing and certain
1635 data that would normally be 64-bit. They are used in special
1642 default y if MIPS32_O32 || MIPS32_N32
1645 bool "Enable seccomp to safely compute untrusted bytecode"
1646 depends on PROC_FS && BROKEN
1649 This kernel feature is useful for number crunching applications
1650 that may need to compute untrusted bytecode during their
1651 execution. By using pipes or other transports made available to
1652 the process as file descriptors supporting the read/write
1653 syscalls, it's possible to isolate those applications in
1654 their own address space using seccomp. Once seccomp is
1655 enabled via /proc/<pid>/seccomp, it cannot be disabled
1656 and the task is only allowed to execute a few safe syscalls
1657 defined by each seccomp mode.
1659 If unsure, say Y. Only embedded should say N here.
1662 bool "Power Management support (EXPERIMENTAL)"
1663 depends on EXPERIMENTAL && MACH_AU1X00
1667 source "net/Kconfig"
1669 source "drivers/Kconfig"
1673 source "arch/mips/Kconfig.debug"
1675 source "security/Kconfig"
1677 source "crypto/Kconfig"
1679 source "lib/Kconfig"
1682 # Use the generic interrupt handling code in kernel/irq/:
1684 config GENERIC_HARDIRQS
1688 config GENERIC_IRQ_PROBE