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
565 select SYS_SUPPORTS_HIGHMEM
567 Qemu is a software emulator which among other architectures also
568 can simulate a MIPS32 4Kc system. This patch adds support for the
569 system architecture that currently is being simulated by Qemu. It
570 will eventually be removed again when Qemu has the capability to
571 simulate actual MIPS hardware platforms. More information on Qemu
572 can be found at http://www.linux-mips.org/wiki/Qemu.
575 bool "Support for SGI IP22 (Indy/Indigo2)"
579 select DMA_NONCOHERENT
580 select IP22_CPU_SCACHE
583 select SYS_SUPPORTS_32BIT_KERNEL
584 select SYS_SUPPORTS_64BIT_KERNEL
586 This are the SGI Indy, Challenge S and Indigo2, as well as certain
587 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
588 that runs on these, say Y here.
591 bool "Support for SGI IP27 (Origin200/2000)"
597 select SYS_SUPPORTS_64BIT_KERNEL
599 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
600 workstations. To compile a Linux kernel that runs on these, say Y
605 # depends on SGI_IP27
606 # This options adds support for userspace processes upto 16TB size.
607 # Normally the limit is just .5TB.
609 config SGI_SN0_N_MODE
613 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
614 configured in either N-Modes which allows for more nodes or M-Mode
615 which allows for more memory. Your system is most probably
616 running in M-Mode, so you should say N here.
618 config ARCH_DISCONTIGMEM_ENABLE
620 default y if SGI_IP27
622 Say Y to upport efficient handling of discontiguous physical memory,
623 for architectures which are either NUMA (Non-Uniform Memory Access)
624 or have huge holes in the physical address space for other reasons.
625 See <file:Documentation/vm/numa> for more.
631 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
632 Access). This option is for configuring high-end multiprocessor
633 server machines. If in doubt, say N.
636 bool "Mapped kernel support"
639 Change the way a Linux kernel is loaded into memory on a MIPS64
640 machine. This is required in order to support text replication and
641 NUMA. If you need to understand it, read the source code.
643 config REPLICATE_KTEXT
644 bool "Kernel text replication support"
647 Say Y here to enable replicating the kernel text across multiple
648 nodes in a NUMA cluster. This trades memory for speed.
650 config REPLICATE_EXHANDLERS
651 bool "Exception handler replication support"
654 Say Y here to enable replicating the kernel exception handlers
655 across multiple nodes in a NUMA cluster. This trades memory for
659 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
660 depends on EXPERIMENTAL
666 select DMA_NONCOHERENT
667 select HAS_TXX9_SERIAL
669 select R5000_CPU_SCACHE
670 select RM7000_CPU_SCACHE
671 select SYS_SUPPORTS_64BIT_KERNEL
673 If you want this kernel to run on SGI O2 workstation, say Y here.
680 bool "Support for AMD/Alchemy Au1X00 SOCs"
681 select SYS_SUPPORTS_32BIT_KERNEL
684 prompt "Au1X00 SOC Type"
685 depends on SOC_AU1X00
687 Say Y here to enable support for one of three AMD/Alchemy
688 SOCs. For additional documentation see www.amd.com.
699 config TOSHIBA_RBTX4938
700 bool "Support for Toshiba RBTX4938 board"
701 select HAVE_STD_PC_SERIAL_PORT
702 select DMA_NONCOHERENT
703 select GENERIC_ISA_DMA
704 select HAS_TXX9_SERIAL
709 select SYS_SUPPORTS_32BIT_KERNEL
710 select SYS_SUPPORTS_LITTLE_ENDIAN
711 select SYS_SUPPORTS_BIG_ENDIAN
712 select TOSHIBA_BOARDS
714 This Toshiba board is based on the TX4938 processor. Say Y here to
715 support this machine type
720 prompt "AMD/Alchemy Au1x00 board support"
721 depends on SOC_AU1X00
723 These are evaluation boards built by AMD/Alchemy to
724 showcase their Au1X00 Internet Edge Processors. The SOC design
725 is based on the MIPS32 architecture running at 266/400/500MHz
726 with many integrated peripherals. Further information can be
727 found at their website, <http://www.amd.com/>. Say Y here if you
728 wish to build a kernel for this platform.
732 depends on SOC_AU1000
733 select DMA_NONCOHERENT
739 depends on SOC_AU1100
740 select DMA_NONCOHERENT
746 depends on SOC_AU1500
747 select DMA_NONCOHERENT
752 depends on SOC_AU1550
755 select MIPS_DISABLE_OBSOLETE_IDE
758 bool "AMD Alchemy PB1200 board"
760 select DMA_NONCOHERENT
761 select MIPS_DISABLE_OBSOLETE_IDE
762 select SYS_SUPPORTS_BIG_ENDIAN
763 select SYS_SUPPORTS_HIGHMEM
764 select SYS_SUPPORTS_HIGHMEM
765 select SYS_SUPPORTS_HIGHMEM
766 select SYS_SUPPORTS_HIGHMEM
767 select SYS_SUPPORTS_LITTLE_ENDIAN
771 depends on SOC_AU1000
772 select DMA_NONCOHERENT
777 depends on SOC_AU1100
778 select DMA_NONCOHERENT
782 depends on SOC_AU1500
783 select DMA_NONCOHERENT
785 select MIPS_DISABLE_OBSOLETE_IDE
789 depends on SOC_AU1550
791 select DMA_NONCOHERENT
792 select MIPS_DISABLE_OBSOLETE_IDE
795 bool "Bosporus board"
796 depends on SOC_AU1500
797 select DMA_NONCOHERENT
800 bool "AMD Alchemy DB1200 board"
802 select DMA_NONCOHERENT
803 select MIPS_DISABLE_OBSOLETE_IDE
804 select SYS_SUPPORTS_LITTLE_ENDIAN
808 depends on SOC_AU1500
809 select DMA_NONCOHERENT
812 bool "MyCable XXS1500 board"
813 depends on SOC_AU1500
814 select DMA_NONCOHERENT
817 bool "4G Systems MTX-1 board"
818 depends on SOC_AU1500
820 select DMA_NONCOHERENT
825 bool "Support for SNI RM200 PCI"
829 select DMA_NONCOHERENT
830 select GENERIC_ISA_DMA
831 select HAVE_STD_PC_SERIAL_PORT
835 select SYS_SUPPORTS_32BIT_KERNEL
836 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
837 select SYS_SUPPORTS_HIGHMEM
839 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
840 Nixdorf Informationssysteme (SNI), parent company of Pyramid
841 Technology and now in turn merged with Fujitsu. Say Y here to
842 support this machine type.
844 config TOSHIBA_RBTX4927
845 bool "Support for Toshiba TBTX49[23]7 board"
846 select DMA_NONCOHERENT
847 select HAS_TXX9_SERIAL
852 select SYS_SUPPORTS_32BIT_KERNEL
853 select SYS_SUPPORTS_64BIT_KERNEL
855 This Toshiba board is based on the TX4927 processor. Say Y here to
856 support this machine type
858 config TOSHIBA_FPCIB0
859 bool "FPCIB0 Backplane Support"
860 depends on TOSHIBA_RBTX4927
862 source "arch/mips/sgi-ip27/Kconfig"
863 source "arch/mips/sibyte/Kconfig"
864 source "arch/mips/tx4938/Kconfig"
865 source "arch/mips/philips/pnx8550/common/Kconfig"
867 config RWSEM_GENERIC_SPINLOCK
871 config RWSEM_XCHGADD_ALGORITHM
873 select HAS_TXX9_SERIAL
875 config GENERIC_CALIBRATE_DELAY
880 # Select some configuration options automatically based on user selections.
884 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
895 select DMA_NEED_PCI_MAP_STATE
897 config DMA_NONCOHERENT
899 select DMA_NEED_PCI_MAP_STATE
901 config DMA_NEED_PCI_MAP_STATE
906 depends on MACH_DECSTATION
909 config GENERIC_ISA_DMA
911 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
916 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
922 select SYS_SUPPORTS_HIGHMEM
926 depends on MIPS_ATLAS || MIPS_MALTA
931 depends on MIPS_ATLAS || MIPS_MALTA
939 config MIPS_DISABLE_OBSOLETE_IDE
942 config CPU_LITTLE_ENDIAN
943 bool "Generate little endian code"
944 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
945 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
947 Some MIPS machines can be configured for either little or big endian
948 byte order. These modes require different kernels. Say Y if your
949 machine is little endian, N if it's a big endian machine.
960 config DDB5XXX_COMMON
962 depends on DDB5074 || DDB5476 || DDB5477
965 config MIPS_BOARDS_GEN
967 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
972 depends on MIPS_COBALT
977 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
982 depends on TOSHIBA_JMR3927
983 select HAS_TXX9_SERIAL
991 depends on MIPS_IVR || MIPS_ITE8172
1000 select SYS_SUPPORTS_32BIT_KERNEL
1001 select DMA_NONCOHERENT
1004 config SWAP_IO_SPACE
1008 # Unfortunately not all GT64120 systems run the chip at the same clock.
1009 # As the user for the clock rate and try to minimize the available options.
1012 prompt "Galileo Chip Clock"
1013 #default SYSCLK_83 if MIPS_EV64120
1014 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1015 default SYSCLK_83 if MIPS_EV64120
1016 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1019 bool "75" if MIPS_EV64120
1022 bool "83.3" if MIPS_EV64120
1025 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1029 config AU1X00_USB_DEVICE
1031 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1036 depends on MIPS_EV96100
1039 Say Y here to support the Galileo Technology GT96100 communications
1040 controller card. There is a web page at <http://www.galileot.com/>.
1044 depends on MIPS_ITE8172 || MIPS_IVR
1049 depends on MIPS_ITE8172
1054 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1057 config MIPS_L1_CACHE_SHIFT
1059 default "4" if MACH_DECSTATION
1060 default "7" if SGI_IP27
1065 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1068 config HAVE_STD_PC_SERIAL_PORT
1072 bool "ARC console support"
1073 depends on SGI_IP22 || SNI_RM200_PCI
1077 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1082 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1095 #config MAPPED_PCI_IO y
1097 # depends on SGI_IP27
1100 config TOSHIBA_BOARDS
1102 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1107 menu "CPU selection"
1113 config CPU_MIPS32_R1
1114 bool "MIPS32 Release 1"
1115 select CPU_HAS_PREFETCH
1116 select CPU_SUPPORTS_32BIT_KERNEL
1118 Choose this option to build a kernel for release 2 or later of the
1119 MIPS32 architecture. Most modern embedded systems with a 32-bit
1120 MIPS processor are based on a MIPS32 processor. If you know the
1121 specific type of processor in your system, choose those that one
1122 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1123 Release 2 of the MIPS32 architecture is available since several
1124 years so chances are you even have a MIPS32 Release 2 processor
1125 in which case you should choose CPU_MIPS32_R2 instead for better
1128 config CPU_MIPS32_R2
1129 bool "MIPS32 Release 2"
1130 select CPU_HAS_PREFETCH
1131 select CPU_SUPPORTS_32BIT_KERNEL
1133 Choose this option to build a kernel for release 1 or later of the
1134 MIPS32 architecture. Most modern embedded systems with a 32-bit
1135 MIPS processor are based on a MIPS32 processor. If you know the
1136 specific type of processor in your system, choose those that one
1137 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1139 config CPU_MIPS64_R1
1140 bool "MIPS64 Release 1"
1141 select CPU_HAS_PREFETCH
1142 select CPU_SUPPORTS_32BIT_KERNEL
1143 select CPU_SUPPORTS_64BIT_KERNEL
1145 Choose this option to build a kernel for release 1 or later of the
1146 MIPS64 architecture. Many modern embedded systems with a 64-bit
1147 MIPS processor are based on a MIPS64 processor. If you know the
1148 specific type of processor in your system, choose those that one
1149 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1150 Release 2 of the MIPS64 architecture is available since several
1151 years so chances are you even have a MIPS64 Release 2 processor
1152 in which case you should choose CPU_MIPS64_R2 instead for better
1155 config CPU_MIPS64_R2
1156 bool "MIPS64 Release 2"
1157 select CPU_HAS_PREFETCH
1158 select CPU_SUPPORTS_32BIT_KERNEL
1159 select CPU_SUPPORTS_64BIT_KERNEL
1161 Choose this option to build a kernel for release 2 or later of the
1162 MIPS64 architecture. Many modern embedded systems with a 64-bit
1163 MIPS processor are based on a MIPS64 processor. If you know the
1164 specific type of processor in your system, choose those that one
1165 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1169 select CPU_SUPPORTS_32BIT_KERNEL
1170 select CPU_SUPPORTS_HIGHMEM
1172 Please make sure to pick the right CPU type. Linux/MIPS is not
1173 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1174 *not* work on R4000 machines and vice versa. However, since most
1175 of the supported machines have an R4000 (or similar) CPU, R4x00
1176 might be a safe bet. If the resulting kernel does not work,
1177 try to recompile with R3000.
1181 select CPU_SUPPORTS_32BIT_KERNEL
1185 select CPU_SUPPORTS_32BIT_KERNEL
1186 select CPU_SUPPORTS_64BIT_KERNEL
1188 The options selects support for the NEC VR41xx series of processors.
1189 Only choose this option if you have one of these processors as a
1190 kernel built with this option will not run on any other type of
1191 processor or vice versa.
1195 select CPU_SUPPORTS_32BIT_KERNEL
1196 select CPU_SUPPORTS_64BIT_KERNEL
1198 MIPS Technologies R4300-series processors.
1202 select CPU_SUPPORTS_32BIT_KERNEL
1203 select CPU_SUPPORTS_64BIT_KERNEL
1205 MIPS Technologies R4000-series processors other than 4300, including
1206 the R4000, R4400, R4600, and 4700.
1210 select CPU_SUPPORTS_32BIT_KERNEL
1211 select CPU_SUPPORTS_64BIT_KERNEL
1215 select CPU_SUPPORTS_32BIT_KERNEL
1216 select CPU_SUPPORTS_64BIT_KERNEL
1218 MIPS Technologies R5000-series processors other than the Nevada.
1225 depends on EXPERIMENTAL
1226 select CPU_SUPPORTS_32BIT_KERNEL
1228 MIPS Technologies R6000 and R6000A series processors. Note these
1229 processors are extremly rare and the support for them is incomplete.
1233 select CPU_SUPPORTS_32BIT_KERNEL
1234 select CPU_SUPPORTS_64BIT_KERNEL
1236 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1240 depends on EXPERIMENTAL
1241 select CPU_SUPPORTS_64BIT_KERNEL
1243 MIPS Technologies R8000 processors. Note these processors are
1244 uncommon and the support for them is incomplete.
1248 select CPU_SUPPORTS_32BIT_KERNEL
1249 select CPU_SUPPORTS_64BIT_KERNEL
1250 select CPU_SUPPORTS_HIGHMEM
1252 MIPS Technologies R10000-series processors.
1256 select CPU_SUPPORTS_32BIT_KERNEL
1257 select CPU_SUPPORTS_64BIT_KERNEL
1258 select CPU_SUPPORTS_HIGHMEM
1262 select CPU_SUPPORTS_32BIT_KERNEL
1263 select CPU_SUPPORTS_64BIT_KERNEL
1264 select CPU_SUPPORTS_HIGHMEM
1268 select CPU_SUPPORTS_32BIT_KERNEL
1269 select CPU_SUPPORTS_64BIT_KERNEL
1270 select CPU_SUPPORTS_HIGHMEM
1275 prompt "Kernel page size"
1276 default PAGE_SIZE_4KB
1278 config PAGE_SIZE_4KB
1281 This option select the standard 4kB Linux page size. On some
1282 R3000-family processors this is the only available page size. Using
1283 4kB page size will minimize memory consumption and is therefore
1284 recommended for low memory systems.
1286 config PAGE_SIZE_8KB
1288 depends on EXPERIMENTAL && CPU_R8000
1290 Using 8kB page size will result in higher performance kernel at
1291 the price of higher memory consumption. This option is available
1292 only on the R8000 processor. Not that at the time of this writing
1293 this option is still high experimental; there are also issues with
1294 compatibility of user applications.
1296 config PAGE_SIZE_16KB
1298 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1300 Using 16kB page size will result in higher performance kernel at
1301 the price of higher memory consumption. This option is available on
1302 all non-R3000 family processor. Not that at the time of this
1303 writing this option is still high experimental; there are also
1304 issues with compatibility of user applications.
1306 config PAGE_SIZE_64KB
1308 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1310 Using 64kB page size will result in higher performance kernel at
1311 the price of higher memory consumption. This option is available on
1312 all non-R3000 family processor. Not that at the time of this
1313 writing this option is still high experimental; there are also
1314 issues with compatibility of user applications.
1321 config IP22_CPU_SCACHE
1325 config R5000_CPU_SCACHE
1329 config RM7000_CPU_SCACHE
1333 config SIBYTE_DMA_PAGEOPS
1334 bool "Use DMA to clear/copy pages"
1337 Instead of using the CPU to zero and copy pages, use a Data Mover
1338 channel. These DMA channels are otherwise unused by the standard
1339 SiByte Linux port. Seems to give a small performance benefit.
1341 config CPU_HAS_PREFETCH
1345 bool "Enable MIPS MT"
1348 prompt "MIPS MT options"
1352 bool "Use 1 TC on each available VPE for SMP"
1355 config MIPS_VPE_LOADER
1356 bool "VPE loader support."
1359 Includes a loader for loading an elf relocatable object
1360 onto another VPE and running it.
1364 config MIPS_VPE_LOADER_TOM
1365 bool "Load VPE program into memory hidden from linux"
1366 depends on MIPS_VPE_LOADER
1369 The loader can use memory that is present but has been hidden from
1370 Linux using the kernel command line option "mem=xxMB". It's up to
1371 you to ensure the amount you put in the option and the space your
1372 program requires is less or equal to the amount physically present.
1374 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1375 config MIPS_VPE_APSP_API
1376 bool "Enable support for AP/SP API (RTLX)"
1377 depends on MIPS_VPE_LOADER
1379 config SB1_PASS_1_WORKAROUNDS
1381 depends on CPU_SB1_PASS_1
1384 config SB1_PASS_2_WORKAROUNDS
1386 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1389 config SB1_PASS_2_1_WORKAROUNDS
1391 depends on CPU_SB1 && CPU_SB1_PASS_2
1394 config 64BIT_PHYS_ADDR
1395 bool "Support for 64-bit physical address space"
1396 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1399 bool "Override CPU Options"
1402 Saying yes here allows you to select support for various features
1403 your CPU may or may not have. Most people should say N here.
1406 bool "ll/sc Instructions available" if CPU_ADVANCED
1407 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1409 MIPS R4000 series and later provide the Load Linked (ll)
1410 and Store Conditional (sc) instructions. More information is
1411 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1413 Say Y here if your CPU has the ll and sc instructions. Say Y here
1414 for better performance, N if you don't know. You must say Y here
1415 for multiprocessor machines.
1417 config CPU_HAS_LLDSCD
1418 bool "lld/scd Instructions available" if CPU_ADVANCED
1419 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1421 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1422 equivalents of ll and sc. Say Y here for better performance, N if
1423 you don't know. You must say Y here for multiprocessor machines.
1426 bool "Writeback Buffer available" if CPU_ADVANCED
1427 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1429 Say N here for slightly better performance. You must say Y here for
1430 machines which require flushing of write buffers in software. Saying
1431 Y is the safe option; N may result in kernel malfunction and crashes.
1433 menu "MIPSR2 Interrupt handling"
1434 depends on CPU_MIPSR2 && CPU_ADVANCED
1436 config CPU_MIPSR2_IRQ_VI
1437 bool "Vectored interrupt mode"
1439 Vectored interrupt mode allowing faster dispatching of interrupts.
1440 The board support code needs to be written to take advantage of this
1441 mode. Compatibility code is included to allow the kernel to run on
1442 a CPU that does not support vectored interrupts. It's safe to
1445 config CPU_MIPSR2_IRQ_EI
1446 bool "External interrupt controller mode"
1448 Extended interrupt mode takes advantage of an external interrupt
1449 controller to allow fast dispatching from many possible interrupt
1450 sources. Say N unless you know that external interrupt support is
1453 config CPU_MIPSR2_SRS
1454 bool "Make shadow set registers available for interrupt handlers"
1455 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1457 Allow the kernel to use shadow register sets for fast interrupts.
1458 Interrupt handlers must be specially written to use shadow sets.
1459 Say N unless you know that shadow register set upport is needed.
1464 depends on !CPU_R3000
1468 # Use the generic interrupt handling code in kernel/irq/:
1470 config GENERIC_HARDIRQS
1474 config GENERIC_IRQ_PROBE
1479 # - Highmem only makes sense for the 32-bit kernel.
1480 # - The current highmem code will only work properly on physically indexed
1481 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1482 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1483 # moment we protect the user and offer the highmem option only on machines
1484 # where it's known to be safe. This will not offer highmem on a few systems
1485 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1486 # indexed CPUs but we're playing safe.
1487 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1488 # know they might have memory configurations that could make use of highmem
1492 bool "High Memory Support"
1493 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1495 config CPU_SUPPORTS_HIGHMEM
1498 config SYS_SUPPORTS_HIGHMEM
1501 config ARCH_FLATMEM_ENABLE
1508 bool "Multi-Processing support"
1509 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP
1511 This enables support for systems with more than one CPU. If you have
1512 a system with only one CPU, like most personal computers, say N. If
1513 you have a system with more than one CPU, say Y.
1515 If you say N here, the kernel will run on single and multiprocessor
1516 machines, but will use only one CPU of a multiprocessor machine. If
1517 you say Y here, the kernel will run on many, but not all,
1518 singleprocessor machines. On a singleprocessor machine, the kernel
1519 will run faster if you say N here.
1521 People using multiprocessor machines who say Y here should also say
1522 Y to "Enhanced Real Time Clock Support", below.
1524 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1525 available at <http://www.tldp.org/docs.html#howto>.
1527 If you don't know what to do here, say N.
1530 int "Maximum number of CPUs (2-64)"
1533 default "64" if SGI_IP27
1536 This allows you to specify the maximum number of CPUs which this
1537 kernel will support. The maximum supported value is 32 for 32-bit
1538 kernel and 64 for 64-bit kernels; the minimum value which makes
1541 This is purely to save memory - each supported CPU adds
1542 approximately eight kilobytes to the kernel image.
1544 source "kernel/Kconfig.preempt"
1547 bool "DS1742 BRAM/RTC support"
1548 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1550 config MIPS_INSANE_LARGE
1551 bool "Support for large 64-bit configurations"
1552 depends on CPU_R10000 && 64BIT
1554 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1555 previous 64-bit processors which only supported 40 bit / 1TB. If you
1556 need processes of more than 1TB virtual address space, say Y here.
1557 This will result in additional memory usage, so it is not
1558 recommended for normal users.
1560 config RWSEM_GENERIC_SPINLOCK
1566 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1572 bool "Support for PCI controller"
1573 depends on HW_HAS_PCI
1575 Find out whether you have a PCI motherboard. PCI is the name of a
1576 bus system, i.e. the way the CPU talks to the other stuff inside
1577 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1580 The PCI-HOWTO, available from
1581 <http://www.tldp.org/docs.html#howto>, contains valuable
1582 information about which PCI hardware does work under Linux and which
1589 source "drivers/pci/Kconfig"
1592 # ISA support is now enabled via select. Too many systems still have the one
1593 # or other ISA chip on the board that users don't know about so don't expect
1594 # users to choose the right thing ...
1601 depends on SGI_IP22 || SNI_RM200_PCI
1604 The Extended Industry Standard Architecture (EISA) bus was
1605 developed as an open alternative to the IBM MicroChannel bus.
1607 The EISA bus provided some of the features of the IBM MicroChannel
1608 bus while maintaining backward compatibility with cards made for
1609 the older ISA bus. The EISA bus saw limited use between 1988 and
1610 1995 when it was made obsolete by the PCI bus.
1612 Say Y here if you are building a kernel for an EISA-based machine.
1616 source "drivers/eisa/Kconfig"
1619 bool "TURBOchannel support"
1620 depends on MACH_DECSTATION
1622 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1623 processors. Documentation on writing device drivers for TurboChannel
1625 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1628 # bool "Access.Bus support"
1641 source "drivers/pcmcia/Kconfig"
1643 source "drivers/pci/hotplug/Kconfig"
1647 menu "Executable file formats"
1649 source "fs/Kconfig.binfmt"
1656 bool "Use 64-bit ELF format for building"
1659 A 64-bit kernel is usually built using the 64-bit ELF binary object
1660 format as it's one that allows arbitrary 64-bit constructs. For
1661 kernels that are loaded within the KSEG compatibility segments the
1662 32-bit ELF format can optionally be used resulting in a somewhat
1663 smaller binary, but this option is not explicitly supported by the
1664 toolchain and since binutils 2.14 it does not even work at all.
1666 Say Y to use the 64-bit format or N to use the 32-bit one.
1671 bool "Include IRIX binary compatibility"
1672 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1674 config MIPS32_COMPAT
1675 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1678 Select this option if you want Linux/MIPS 32-bit binary
1679 compatibility. Since all software available for Linux/MIPS is
1680 currently 32-bit you should say Y here.
1684 depends on MIPS32_COMPAT
1688 bool "Kernel support for o32 binaries"
1689 depends on MIPS32_COMPAT
1691 Select this option if you want to run o32 binaries. These are pure
1692 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1693 existing binaries are in this format.
1698 bool "Kernel support for n32 binaries"
1699 depends on MIPS32_COMPAT
1701 Select this option if you want to run n32 binaries. These are
1702 64-bit binaries using 32-bit quantities for addressing and certain
1703 data that would normally be 64-bit. They are used in special
1710 default y if MIPS32_O32 || MIPS32_N32
1713 bool "Enable seccomp to safely compute untrusted bytecode"
1714 depends on PROC_FS && BROKEN
1717 This kernel feature is useful for number crunching applications
1718 that may need to compute untrusted bytecode during their
1719 execution. By using pipes or other transports made available to
1720 the process as file descriptors supporting the read/write
1721 syscalls, it's possible to isolate those applications in
1722 their own address space using seccomp. Once seccomp is
1723 enabled via /proc/<pid>/seccomp, it cannot be disabled
1724 and the task is only allowed to execute a few safe syscalls
1725 defined by each seccomp mode.
1727 If unsure, say Y. Only embedded should say N here.
1730 bool "Power Management support (EXPERIMENTAL)"
1731 depends on EXPERIMENTAL && MACH_AU1X00
1735 source "net/Kconfig"
1737 source "drivers/Kconfig"
1741 source "arch/mips/Kconfig.debug"
1743 source "security/Kconfig"
1745 source "crypto/Kconfig"
1747 source "lib/Kconfig"