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.
701 prompt "AMD/Alchemy Au1x00 board support"
702 depends on SOC_AU1X00
704 These are evaluation boards built by AMD/Alchemy to
705 showcase their Au1X00 Internet Edge Processors. The SOC design
706 is based on the MIPS32 architecture running at 266/400/500MHz
707 with many integrated peripherals. Further information can be
708 found at their website, <http://www.amd.com/>. Say Y here if you
709 wish to build a kernel for this platform.
713 depends on SOC_AU1000
714 select DMA_NONCOHERENT
720 depends on SOC_AU1100
721 select DMA_NONCOHERENT
727 depends on SOC_AU1500
728 select DMA_NONCOHERENT
733 depends on SOC_AU1550
736 select MIPS_DISABLE_OBSOLETE_IDE
739 bool "AMD Alchemy PB1200 board"
741 select DMA_NONCOHERENT
742 select MIPS_DISABLE_OBSOLETE_IDE
743 select SYS_SUPPORTS_BIG_ENDIAN
744 select SYS_SUPPORTS_LITTLE_ENDIAN
748 depends on SOC_AU1000
749 select DMA_NONCOHERENT
754 depends on SOC_AU1100
755 select DMA_NONCOHERENT
759 depends on SOC_AU1500
760 select DMA_NONCOHERENT
762 select MIPS_DISABLE_OBSOLETE_IDE
766 depends on SOC_AU1550
768 select DMA_NONCOHERENT
769 select MIPS_DISABLE_OBSOLETE_IDE
772 bool "Bosporus board"
773 depends on SOC_AU1500
774 select DMA_NONCOHERENT
777 bool "AMD Alchemy DB1200 board"
779 select DMA_NONCOHERENT
780 select MIPS_DISABLE_OBSOLETE_IDE
781 select SYS_SUPPORTS_LITTLE_ENDIAN
785 depends on SOC_AU1500
786 select DMA_NONCOHERENT
789 bool "MyCable XXS1500 board"
790 depends on SOC_AU1500
791 select DMA_NONCOHERENT
794 bool "4G Systems MTX-1 board"
795 depends on SOC_AU1500
797 select DMA_NONCOHERENT
802 bool "Support for SNI RM200 PCI"
806 select DMA_NONCOHERENT
807 select GENERIC_ISA_DMA
808 select HAVE_STD_PC_SERIAL_PORT
812 select SYS_SUPPORTS_32BIT_KERNEL
813 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
815 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
816 Nixdorf Informationssysteme (SNI), parent company of Pyramid
817 Technology and now in turn merged with Fujitsu. Say Y here to
818 support this machine type.
820 config TOSHIBA_RBTX4927
821 bool "Support for Toshiba TBTX49[23]7 board"
822 select DMA_NONCOHERENT
823 select HAS_TXX9_SERIAL
828 select SYS_SUPPORTS_32BIT_KERNEL
829 select SYS_SUPPORTS_64BIT_KERNEL
831 This Toshiba board is based on the TX4927 processor. Say Y here to
832 support this machine type
834 config TOSHIBA_FPCIB0
835 bool "FPCIB0 Backplane Support"
836 depends on TOSHIBA_RBTX4927
838 source "arch/mips/sgi-ip27/Kconfig"
839 source "arch/mips/sibyte/Kconfig"
840 source "arch/mips/philips/pnx8550/common/Kconfig"
842 config RWSEM_GENERIC_SPINLOCK
846 config RWSEM_XCHGADD_ALGORITHM
848 select HAS_TXX9_SERIAL
850 config GENERIC_CALIBRATE_DELAY
855 # Select some configuration options automatically based on user selections.
859 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
870 select DMA_NEED_PCI_MAP_STATE
872 config DMA_NONCOHERENT
874 select DMA_NEED_PCI_MAP_STATE
876 config DMA_NEED_PCI_MAP_STATE
881 depends on MACH_DECSTATION
884 config GENERIC_ISA_DMA
886 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
891 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
900 depends on MIPS_ATLAS || MIPS_MALTA
905 depends on MIPS_ATLAS || MIPS_MALTA
913 config MIPS_DISABLE_OBSOLETE_IDE
916 config CPU_LITTLE_ENDIAN
917 bool "Generate little endian code"
918 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
919 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
921 Some MIPS machines can be configured for either little or big endian
922 byte order. These modes require different kernels. Say Y if your
923 machine is little endian, N if it's a big endian machine.
934 config DDB5XXX_COMMON
936 depends on DDB5074 || DDB5476 || DDB5477
939 config MIPS_BOARDS_GEN
941 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
946 depends on MIPS_COBALT
951 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
956 depends on TOSHIBA_JMR3927
957 select HAS_TXX9_SERIAL
965 depends on MIPS_IVR || MIPS_ITE8172
974 select SYS_SUPPORTS_32BIT_KERNEL
975 select DMA_NONCOHERENT
982 # Unfortunately not all GT64120 systems run the chip at the same clock.
983 # As the user for the clock rate and try to minimize the available options.
986 prompt "Galileo Chip Clock"
987 #default SYSCLK_83 if MIPS_EV64120
988 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
989 default SYSCLK_83 if MIPS_EV64120
990 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
993 bool "75" if MIPS_EV64120
996 bool "83.3" if MIPS_EV64120
999 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1003 config AU1X00_USB_DEVICE
1005 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1010 depends on MIPS_EV96100
1013 Say Y here to support the Galileo Technology GT96100 communications
1014 controller card. There is a web page at <http://www.galileot.com/>.
1018 depends on MIPS_ITE8172 || MIPS_IVR
1023 depends on MIPS_ITE8172
1028 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1031 config MIPS_L1_CACHE_SHIFT
1033 default "4" if MACH_DECSTATION
1034 default "7" if SGI_IP27
1039 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1042 config HAVE_STD_PC_SERIAL_PORT
1046 bool "ARC console support"
1047 depends on SGI_IP22 || SNI_RM200_PCI
1051 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1056 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1069 #config MAPPED_PCI_IO y
1071 # depends on SGI_IP27
1074 config TOSHIBA_BOARDS
1076 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1081 menu "CPU selection"
1087 config CPU_MIPS32_R1
1088 bool "MIPS32 Release 1"
1089 select CPU_SUPPORTS_32BIT_KERNEL
1090 select CPU_HAS_PREFETCH
1092 Choose this option to build a kernel for release 2 or later of the
1093 MIPS32 architecture. Most modern embedded systems with a 32-bit
1094 MIPS processor are based on a MIPS32 processor. If you know the
1095 specific type of processor in your system, choose those that one
1096 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1097 Release 2 of the MIPS32 architecture is available since several
1098 years so chances are you even have a MIPS32 Release 2 processor
1099 in which case you should choose CPU_MIPS32_R2 instead for better
1102 config CPU_MIPS32_R2
1103 bool "MIPS32 Release 2"
1104 select CPU_SUPPORTS_32BIT_KERNEL
1105 select CPU_HAS_PREFETCH
1107 Choose this option to build a kernel for release 1 or later of the
1108 MIPS32 architecture. Most modern embedded systems with a 32-bit
1109 MIPS processor are based on a MIPS32 processor. If you know the
1110 specific type of processor in your system, choose those that one
1111 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1113 config CPU_MIPS64_R1
1114 bool "MIPS64 Release 1"
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 1 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.
1124 Release 2 of the MIPS64 architecture is available since several
1125 years so chances are you even have a MIPS64 Release 2 processor
1126 in which case you should choose CPU_MIPS64_R2 instead for better
1129 config CPU_MIPS64_R2
1130 bool "MIPS64 Release 2"
1131 select CPU_SUPPORTS_32BIT_KERNEL
1132 select CPU_SUPPORTS_64BIT_KERNEL
1133 select CPU_HAS_PREFETCH
1135 Choose this option to build a kernel for release 2 or later of the
1136 MIPS64 architecture. Many modern embedded systems with a 64-bit
1137 MIPS processor are based on a MIPS64 processor. If you know the
1138 specific type of processor in your system, choose those that one
1139 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1143 select CPU_SUPPORTS_32BIT_KERNEL
1145 Please make sure to pick the right CPU type. Linux/MIPS is not
1146 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1147 *not* work on R4000 machines and vice versa. However, since most
1148 of the supported machines have an R4000 (or similar) CPU, R4x00
1149 might be a safe bet. If the resulting kernel does not work,
1150 try to recompile with R3000.
1154 select CPU_SUPPORTS_32BIT_KERNEL
1158 select CPU_SUPPORTS_32BIT_KERNEL
1159 select CPU_SUPPORTS_64BIT_KERNEL
1161 The options selects support for the NEC VR41xx series of processors.
1162 Only choose this option if you have one of these processors as a
1163 kernel built with this option will not run on any other type of
1164 processor or vice versa.
1168 select CPU_SUPPORTS_32BIT_KERNEL
1169 select CPU_SUPPORTS_64BIT_KERNEL
1171 MIPS Technologies R4300-series processors.
1175 select CPU_SUPPORTS_32BIT_KERNEL
1176 select CPU_SUPPORTS_64BIT_KERNEL
1178 MIPS Technologies R4000-series processors other than 4300, including
1179 the R4000, R4400, R4600, and 4700.
1183 select CPU_SUPPORTS_32BIT_KERNEL
1184 select CPU_SUPPORTS_64BIT_KERNEL
1188 select CPU_SUPPORTS_32BIT_KERNEL
1189 select CPU_SUPPORTS_64BIT_KERNEL
1191 MIPS Technologies R5000-series processors other than the Nevada.
1198 depends on EXPERIMENTAL
1199 select CPU_SUPPORTS_32BIT_KERNEL
1201 MIPS Technologies R6000 and R6000A series processors. Note these
1202 processors are extremly rare and the support for them is incomplete.
1206 select CPU_SUPPORTS_32BIT_KERNEL
1207 select CPU_SUPPORTS_64BIT_KERNEL
1209 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1213 depends on EXPERIMENTAL
1214 select CPU_SUPPORTS_64BIT_KERNEL
1216 MIPS Technologies R8000 processors. Note these processors are
1217 uncommon and the support for them is incomplete.
1221 select CPU_SUPPORTS_32BIT_KERNEL
1222 select CPU_SUPPORTS_64BIT_KERNEL
1224 MIPS Technologies R10000-series processors.
1228 select CPU_SUPPORTS_32BIT_KERNEL
1229 select CPU_SUPPORTS_64BIT_KERNEL
1233 select CPU_SUPPORTS_32BIT_KERNEL
1234 select CPU_SUPPORTS_64BIT_KERNEL
1238 select CPU_SUPPORTS_32BIT_KERNEL
1239 select CPU_SUPPORTS_64BIT_KERNEL
1244 prompt "Kernel page size"
1245 default PAGE_SIZE_4KB
1247 config PAGE_SIZE_4KB
1250 This option select the standard 4kB Linux page size. On some
1251 R3000-family processors this is the only available page size. Using
1252 4kB page size will minimize memory consumption and is therefore
1253 recommended for low memory systems.
1255 config PAGE_SIZE_8KB
1257 depends on EXPERIMENTAL && CPU_R8000
1259 Using 8kB page size will result in higher performance kernel at
1260 the price of higher memory consumption. This option is available
1261 only on the R8000 processor. Not that at the time of this writing
1262 this option is still high experimental; there are also issues with
1263 compatibility of user applications.
1265 config PAGE_SIZE_16KB
1267 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1269 Using 16kB page size will result in higher performance kernel at
1270 the price of higher memory consumption. This option is available on
1271 all non-R3000 family processor. Not that at the time of this
1272 writing this option is still high experimental; there are also
1273 issues with compatibility of user applications.
1275 config PAGE_SIZE_64KB
1277 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1279 Using 64kB page size will result in higher performance kernel at
1280 the price of higher memory consumption. This option is available on
1281 all non-R3000 family processor. Not that at the time of this
1282 writing this option is still high experimental; there are also
1283 issues with compatibility of user applications.
1290 config IP22_CPU_SCACHE
1294 config R5000_CPU_SCACHE
1298 config RM7000_CPU_SCACHE
1302 config SIBYTE_DMA_PAGEOPS
1303 bool "Use DMA to clear/copy pages"
1306 Instead of using the CPU to zero and copy pages, use a Data Mover
1307 channel. These DMA channels are otherwise unused by the standard
1308 SiByte Linux port. Seems to give a small performance benefit.
1310 config CPU_HAS_PREFETCH
1311 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1312 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1315 bool "Enable MIPS MT"
1317 config MIPS_VPE_LOADER
1318 bool "VPE loader support."
1321 Includes a loader for loading an elf relocatable object
1322 onto another VPE and running it.
1324 config MIPS_VPE_LOADER_TOM
1325 bool "Load VPE program into memory hidden from linux"
1326 depends on MIPS_VPE_LOADER
1329 The loader can use memory that is present but has been hidden from
1330 Linux using the kernel command line option "mem=xxMB". It's up to
1331 you to ensure the amount you put in the option and the space your
1332 program requires is less or equal to the amount physically present.
1334 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1335 config MIPS_VPE_APSP_API
1336 bool "Enable support for AP/SP API (RTLX)"
1337 depends on MIPS_VPE_LOADER
1340 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1341 default y if CPU_SB1
1343 config SB1_PASS_1_WORKAROUNDS
1345 depends on CPU_SB1_PASS_1
1348 config SB1_PASS_2_WORKAROUNDS
1350 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1353 config SB1_PASS_2_1_WORKAROUNDS
1355 depends on CPU_SB1 && CPU_SB1_PASS_2
1358 config 64BIT_PHYS_ADDR
1359 bool "Support for 64-bit physical address space"
1360 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1363 bool "Override CPU Options"
1366 Saying yes here allows you to select support for various features
1367 your CPU may or may not have. Most people should say N here.
1370 bool "ll/sc Instructions available" if CPU_ADVANCED
1371 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1373 MIPS R4000 series and later provide the Load Linked (ll)
1374 and Store Conditional (sc) instructions. More information is
1375 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1377 Say Y here if your CPU has the ll and sc instructions. Say Y here
1378 for better performance, N if you don't know. You must say Y here
1379 for multiprocessor machines.
1381 config CPU_HAS_LLDSCD
1382 bool "lld/scd Instructions available" if CPU_ADVANCED
1383 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1385 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1386 equivalents of ll and sc. Say Y here for better performance, N if
1387 you don't know. You must say Y here for multiprocessor machines.
1390 bool "Writeback Buffer available" if CPU_ADVANCED
1391 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1393 Say N here for slightly better performance. You must say Y here for
1394 machines which require flushing of write buffers in software. Saying
1395 Y is the safe option; N may result in kernel malfunction and crashes.
1397 menu "MIPSR2 Interrupt handling"
1398 depends on CPU_MIPSR2 && CPU_ADVANCED
1400 config CPU_MIPSR2_IRQ_VI
1401 bool "Vectored interrupt mode"
1403 Vectored interrupt mode allowing faster dispatching of interrupts.
1404 The board support code needs to be written to take advantage of this
1405 mode. Compatibility code is included to allow the kernel to run on
1406 a CPU that does not support vectored interrupts. It's safe to
1409 config CPU_MIPSR2_IRQ_EI
1410 bool "External interrupt controller mode"
1412 Extended interrupt mode takes advantage of an external interrupt
1413 controller to allow fast dispatching from many possible interrupt
1414 sources. Say N unless you know that external interrupt support is
1417 config CPU_MIPSR2_SRS
1418 bool "Make shadow set registers available for interrupt handlers"
1419 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1421 Allow the kernel to use shadow register sets for fast interrupts.
1422 Interrupt handlers must be specially written to use shadow sets.
1423 Say N unless you know that shadow register set upport is needed.
1428 depends on !CPU_R3000
1432 # - Highmem only makes sense for the 32-bit kernel.
1433 # - The current highmem code will only work properly on physically indexed
1434 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1435 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1436 # moment we protect the user and offer the highmem option only on machines
1437 # where it's known to be safe. This will not offer highmem on a few systems
1438 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1439 # indexed CPUs but we're playing safe.
1440 # - We should not offer highmem for system of which we already know that they
1441 # don't have memory configurations that could gain from highmem support in
1442 # the kernel because they don't support configurations with RAM at physical
1443 # addresses > 0x20000000.
1446 bool "High Memory Support"
1447 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1449 config ARCH_FLATMEM_ENABLE
1456 bool "Multi-Processing support"
1457 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1459 This enables support for systems with more than one CPU. If you have
1460 a system with only one CPU, like most personal computers, say N. If
1461 you have a system with more than one CPU, say Y.
1463 If you say N here, the kernel will run on single and multiprocessor
1464 machines, but will use only one CPU of a multiprocessor machine. If
1465 you say Y here, the kernel will run on many, but not all,
1466 singleprocessor machines. On a singleprocessor machine, the kernel
1467 will run faster if you say N here.
1469 People using multiprocessor machines who say Y here should also say
1470 Y to "Enhanced Real Time Clock Support", below.
1472 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1473 available at <http://www.tldp.org/docs.html#howto>.
1475 If you don't know what to do here, say N.
1478 int "Maximum number of CPUs (2-64)"
1481 default "64" if SGI_IP27
1484 This allows you to specify the maximum number of CPUs which this
1485 kernel will support. The maximum supported value is 32 for 32-bit
1486 kernel and 64 for 64-bit kernels; the minimum value which makes
1489 This is purely to save memory - each supported CPU adds
1490 approximately eight kilobytes to the kernel image.
1492 source "kernel/Kconfig.preempt"
1495 bool "DS1742 BRAM/RTC support"
1496 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1498 config MIPS_INSANE_LARGE
1499 bool "Support for large 64-bit configurations"
1500 depends on CPU_R10000 && 64BIT
1502 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1503 previous 64-bit processors which only supported 40 bit / 1TB. If you
1504 need processes of more than 1TB virtual address space, say Y here.
1505 This will result in additional memory usage, so it is not
1506 recommended for normal users.
1508 config RWSEM_GENERIC_SPINLOCK
1514 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1520 bool "Support for PCI controller"
1521 depends on HW_HAS_PCI
1523 Find out whether you have a PCI motherboard. PCI is the name of a
1524 bus system, i.e. the way the CPU talks to the other stuff inside
1525 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1528 The PCI-HOWTO, available from
1529 <http://www.tldp.org/docs.html#howto>, contains valuable
1530 information about which PCI hardware does work under Linux and which
1537 source "drivers/pci/Kconfig"
1540 # ISA support is now enabled via select. Too many systems still have the one
1541 # or other ISA chip on the board that users don't know about so don't expect
1542 # users to choose the right thing ...
1549 depends on SGI_IP22 || SNI_RM200_PCI
1552 The Extended Industry Standard Architecture (EISA) bus was
1553 developed as an open alternative to the IBM MicroChannel bus.
1555 The EISA bus provided some of the features of the IBM MicroChannel
1556 bus while maintaining backward compatibility with cards made for
1557 the older ISA bus. The EISA bus saw limited use between 1988 and
1558 1995 when it was made obsolete by the PCI bus.
1560 Say Y here if you are building a kernel for an EISA-based machine.
1564 source "drivers/eisa/Kconfig"
1567 bool "TURBOchannel support"
1568 depends on MACH_DECSTATION
1570 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1571 processors. Documentation on writing device drivers for TurboChannel
1573 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1576 # bool "Access.Bus support"
1589 source "drivers/pcmcia/Kconfig"
1591 source "drivers/pci/hotplug/Kconfig"
1595 menu "Executable file formats"
1597 source "fs/Kconfig.binfmt"
1604 bool "Use 64-bit ELF format for building"
1607 A 64-bit kernel is usually built using the 64-bit ELF binary object
1608 format as it's one that allows arbitrary 64-bit constructs. For
1609 kernels that are loaded within the KSEG compatibility segments the
1610 32-bit ELF format can optionally be used resulting in a somewhat
1611 smaller binary, but this option is not explicitly supported by the
1612 toolchain and since binutils 2.14 it does not even work at all.
1614 Say Y to use the 64-bit format or N to use the 32-bit one.
1619 bool "Include IRIX binary compatibility"
1620 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1622 config MIPS32_COMPAT
1623 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1626 Select this option if you want Linux/MIPS 32-bit binary
1627 compatibility. Since all software available for Linux/MIPS is
1628 currently 32-bit you should say Y here.
1632 depends on MIPS32_COMPAT
1636 bool "Kernel support for o32 binaries"
1637 depends on MIPS32_COMPAT
1639 Select this option if you want to run o32 binaries. These are pure
1640 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1641 existing binaries are in this format.
1646 bool "Kernel support for n32 binaries"
1647 depends on MIPS32_COMPAT
1649 Select this option if you want to run n32 binaries. These are
1650 64-bit binaries using 32-bit quantities for addressing and certain
1651 data that would normally be 64-bit. They are used in special
1658 default y if MIPS32_O32 || MIPS32_N32
1661 bool "Enable seccomp to safely compute untrusted bytecode"
1662 depends on PROC_FS && BROKEN
1665 This kernel feature is useful for number crunching applications
1666 that may need to compute untrusted bytecode during their
1667 execution. By using pipes or other transports made available to
1668 the process as file descriptors supporting the read/write
1669 syscalls, it's possible to isolate those applications in
1670 their own address space using seccomp. Once seccomp is
1671 enabled via /proc/<pid>/seccomp, it cannot be disabled
1672 and the task is only allowed to execute a few safe syscalls
1673 defined by each seccomp mode.
1675 If unsure, say Y. Only embedded should say N here.
1678 bool "Power Management support (EXPERIMENTAL)"
1679 depends on EXPERIMENTAL && MACH_AU1X00
1683 source "net/Kconfig"
1685 source "drivers/Kconfig"
1689 source "arch/mips/Kconfig.debug"
1691 source "security/Kconfig"
1693 source "crypto/Kconfig"
1695 source "lib/Kconfig"
1698 # Use the generic interrupt handling code in kernel/irq/:
1700 config GENERIC_HARDIRQS
1704 config GENERIC_IRQ_PROBE