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"
16 config SYS_SUPPORTS_32BIT_KERNEL
18 config SYS_SUPPORTS_64BIT_KERNEL
20 config CPU_SUPPORTS_32BIT_KERNEL
22 config CPU_SUPPORTS_64BIT_KERNEL
29 prompt "Kernel code model"
31 You should only select this option if you have a workload that
32 actually benefits from 64-bit processing or if your machine has
33 large memory. You will only be presented a single option in this
34 menu if your system does not support both 32-bit and 64-bit kernels.
38 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
41 Select this option if you want to build a 32-bit kernel.
45 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
47 Select this option if you want to build a 64-bit kernel.
53 menu "Machine selection"
56 bool "Support for the Jazz family of machines"
59 select GENERIC_ISA_DMA
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
65 This a family of machines based on the MIPS R4030 chipset which was
66 used by several vendors to build RISC/os and Windows NT workstations.
67 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
68 Olivetti M700-10 workstations.
71 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
72 depends on MACH_JAZZ && EXPERIMENTAL
73 select DMA_NONCOHERENT
75 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
76 kernel that runs on these, say Y here. For details about Linux on
77 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
78 <http://www.linux-mips.org/>.
80 config MIPS_MAGNUM_4000
81 bool "Support for MIPS Magnum 4000"
83 select DMA_NONCOHERENT
85 This is a machine with a R4000 100 MHz CPU. To compile a Linux
86 kernel that runs on these, say Y here. For details about Linux on
87 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
88 <http://www.linux-mips.org/>.
91 bool "Support for Olivetti M700-10"
93 select DMA_NONCOHERENT
95 This is a machine with a R4000 100 MHz CPU. To compile a Linux
96 kernel that runs on these, say Y here. For details about Linux on
97 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
98 <http://www.linux-mips.org/>.
101 bool "Support for NEC VR4100 series based machines"
102 select SYS_SUPPORTS_32BIT_KERNEL
103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
106 bool "Support for NEC CMB-VR4133"
107 depends on MACH_VR41XX
109 select DMA_NONCOHERENT
114 bool "Support for Rockhopper baseboard"
115 depends on NEC_CMBVR4133
117 select HAVE_STD_PC_SERIAL_PORT
120 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
121 depends on MACH_VR41XX
122 select CPU_LITTLE_ENDIAN
123 select DMA_NONCOHERENT
128 bool "Support for IBM WorkPad z50"
129 depends on MACH_VR41XX
130 select CPU_LITTLE_ENDIAN
131 select DMA_NONCOHERENT
136 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
137 depends on MACH_VR41XX
138 select CPU_LITTLE_ENDIAN
139 select DMA_NONCOHERENT
143 The TANBAC VR4131 multichip module(TB0225) and
144 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
145 manufactured by TANBAC.
146 Please refer to <http://www.tanbac.co.jp/>
147 about VR4131 multichip module and VR4131DIMM.
150 bool "Support for TANBAC Mbase(TB0226)"
151 depends on TANBAC_TB022X
154 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
155 Please refer to <http://www.tanbac.co.jp/> about Mbase.
158 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
159 depends on TANBAC_TB022X
161 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
162 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
165 bool "Support for Victor MP-C303/304"
166 depends on MACH_VR41XX
167 select CPU_LITTLE_ENDIAN
168 select DMA_NONCOHERENT
173 bool "Support for ZAO Networks Capcella"
174 depends on MACH_VR41XX
175 select CPU_LITTLE_ENDIAN
176 select DMA_NONCOHERENT
181 bool "Add PCI control unit support of NEC VR4100 series"
182 depends on MACH_VR41XX && HW_HAS_PCI
187 tristate "Add NEC VRC4173 companion chip support"
188 depends on MACH_VR41XX && PCI_VR41XX
190 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
192 config TOSHIBA_JMR3927
193 bool "Support for Toshiba JMR-TX3927 board"
194 select DMA_NONCOHERENT
197 select SYS_SUPPORTS_32BIT_KERNEL
200 bool "Support for Cobalt Server"
201 depends on EXPERIMENTAL
202 select DMA_NONCOHERENT
206 select SYS_SUPPORTS_32BIT_KERNEL
207 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
209 config MACH_DECSTATION
210 bool "Support for DECstations"
212 select DMA_NONCOHERENT
215 select SYS_SUPPORTS_32BIT_KERNEL
216 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
218 This enables support for DEC's MIPS based workstations. For details
219 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
220 DECstation porting pages on <http://decstation.unix-ag.org/>.
222 If you have one of the following DECstation Models you definitely
223 want to choose R4xx0 for the CPU Type:
230 otherwise choose R3000.
233 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
234 depends on EXPERIMENTAL
235 select DMA_NONCOHERENT
238 select SYS_SUPPORTS_32BIT_KERNEL
239 select SYS_SUPPORTS_64BIT_KERNEL
241 This is an evaluation board based on the Galileo GT-64120
242 single-chip system controller that contains a MIPS R5000 compatible
243 core running at 75/100MHz. Their website is located at
244 <http://www.marvell.com/>. Say Y here if you wish to build a
245 kernel for this platform.
248 bool "Enable Second PCI (PCI1)"
249 depends on MIPS_EV64120
252 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
253 depends on EXPERIMENTAL
254 select DMA_NONCOHERENT
258 select RM7000_CPU_SCACHE
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_64BIT_KERNEL
263 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
264 communications controllers containing a MIPS R5000 compatible core
265 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
266 here if you wish to build a kernel for this platform.
269 bool "Support for Globespan IVR board"
270 select DMA_NONCOHERENT
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
275 This is an evaluation board built by Globespan to showcase thir
276 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
277 R5000 MIPS core. More information can be found out their website
278 located at <http://www.globespan.net/>. Say Y here if you wish to
279 build a kernel for this platform.
282 bool "Support for LASAT Networks platforms"
283 select DMA_NONCOHERENT
286 select R5000_CPU_SCACHE
287 select SYS_SUPPORTS_32BIT_KERNEL
288 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
291 tristate "PICVUE LCD display driver"
295 tristate "PICVUE LCD display driver /proc interface"
299 bool "DS1603 RTC driver"
303 bool "LASAT sysctl interface"
307 bool "Support for ITE 8172G board"
308 select DMA_NONCOHERENT
310 select SYS_SUPPORTS_32BIT_KERNEL
311 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
313 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
314 with ATX form factor that utilizes a MIPS R5000 to work with its
315 ITE8172G companion internet appliance chip. The MIPS core can be
316 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
317 a kernel for this platform.
320 bool "Support for older IT8172 (Rev C)"
321 depends on MIPS_ITE8172
323 Say Y here to support the older, Revision C version of the Integrated
324 Technology Express, Inc. ITE8172 SBC. Vendor page at
325 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
326 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
329 bool "Support for MIPS Atlas board"
331 select DMA_NONCOHERENT
335 select SYS_SUPPORTS_32BIT_KERNEL
336 select SYS_SUPPORTS_64BIT_KERNEL
338 This enables support for the MIPS Technologies Atlas evaluation
342 bool "Support for MIPS Malta board"
344 select HAVE_STD_PC_SERIAL_PORT
345 select DMA_NONCOHERENT
346 select GENERIC_ISA_DMA
351 select SYS_SUPPORTS_32BIT_KERNEL
352 select SYS_SUPPORTS_64BIT_KERNEL
354 This enables support for the MIPS Technologies Malta evaluation
358 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
359 depends on EXPERIMENTAL
361 select DMA_NONCOHERENT
362 select SYS_SUPPORTS_32BIT_KERNEL
363 select SYS_SUPPORTS_64BIT_KERNEL
365 This enables support for the MIPS Technologies SEAD evaluation
368 config MOMENCO_OCELOT
369 bool "Support for Momentum Ocelot board"
370 select DMA_NONCOHERENT
375 select RM7000_CPU_SCACHE
377 select SYS_SUPPORTS_32BIT_KERNEL
378 select SYS_SUPPORTS_64BIT_KERNEL
380 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
381 Momentum Computer <http://www.momenco.com/>.
383 config MOMENCO_OCELOT_G
384 bool "Support for Momentum Ocelot-G board"
385 select DMA_NONCOHERENT
390 select RM7000_CPU_SCACHE
392 select SYS_SUPPORTS_32BIT_KERNEL
393 select SYS_SUPPORTS_64BIT_KERNEL
395 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
396 Momentum Computer <http://www.momenco.com/>.
398 config MOMENCO_OCELOT_C
399 bool "Support for Momentum Ocelot-C board"
400 select DMA_NONCOHERENT
405 select RM7000_CPU_SCACHE
407 select SYS_SUPPORTS_32BIT_KERNEL
408 select SYS_SUPPORTS_64BIT_KERNEL
410 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
411 Momentum Computer <http://www.momenco.com/>.
413 config MOMENCO_OCELOT_3
414 bool "Support for Momentum Ocelot-3 board"
416 select DMA_NONCOHERENT
422 select RM7000_CPU_SCACHE
424 select SYS_SUPPORTS_32BIT_KERNEL
425 select SYS_SUPPORTS_64BIT_KERNEL
427 The Ocelot-3 is based off Discovery III System Controller and
428 PMC-Sierra Rm79000 core.
430 config MOMENCO_JAGUAR_ATX
431 bool "Support for Momentum Jaguar board"
433 select DMA_NONCOHERENT
440 select RM7000_CPU_SCACHE
442 select SYS_SUPPORTS_32BIT_KERNEL
443 select SYS_SUPPORTS_64BIT_KERNEL
445 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
446 Momentum Computer <http://www.momenco.com/>.
450 depends on MOMENCO_JAGUAR_ATX
452 Select to Y if jump JP5 is set on your board, N otherwise. Normally
453 the jumper is set, so if you feel unsafe, just say Y.
456 bool "Support for PMC-Sierra Yosemite eval board"
463 select SYS_SUPPORTS_32BIT_KERNEL
464 select SYS_SUPPORTS_64BIT_KERNEL
466 Yosemite is an evaluation board for the RM9000x2 processor
467 manufactured by PMC-Sierra
469 config HYPERTRANSPORT
470 bool "Hypertransport Support for PMC-Sierra Yosemite"
471 depends on PMC_YOSEMITE
474 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
475 depends on EXPERIMENTAL
476 select DMA_NONCOHERENT
477 select HAVE_STD_PC_SERIAL_PORT
482 select SYS_SUPPORTS_32BIT_KERNEL
483 select SYS_SUPPORTS_64BIT_KERNEL
485 This enables support for the VR5000-based NEC DDB Vrc-5074
489 bool "Support for NEC DDB Vrc-5476"
490 select DMA_NONCOHERENT
491 select HAVE_STD_PC_SERIAL_PORT
496 select SYS_SUPPORTS_32BIT_KERNEL
497 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
499 This enables support for the R5432-based NEC DDB Vrc-5476
502 Features : kernel debugging, serial terminal, NFS root fs, on-board
503 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
504 IDE controller, PS2 keyboard, PS2 mouse, etc.
507 bool "Support for NEC DDB Vrc-5477"
508 select DMA_NONCOHERENT
512 select SYS_SUPPORTS_32BIT_KERNEL
513 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
515 This enables support for the R5432-based NEC DDB Vrc-5477,
516 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
518 Features : kernel debugging, serial terminal, NFS root fs, on-board
519 ether port USB, AC97, PCI, etc.
521 config DDB5477_BUS_FREQUENCY
522 int "bus frequency (in kHZ, 0 for auto-detect)"
527 bool "Support for Qemu"
529 select GENERIC_ISA_DMA
530 select HAVE_STD_PC_SERIAL_PORT
534 select SYS_SUPPORTS_32BIT_KERNEL
535 select SYS_SUPPORTS_BIG_ENDIAN
537 Qemu is a software emulator which among other architectures also
538 can simulate a MIPS32 4Kc system. This patch adds support for the
539 system architecture that currently is being simulated by Qemu. It
540 will eventually be removed again when Qemu has the capability to
541 simulate actual MIPS hardware platforms. More information on Qemu
542 can be found at http://www.linux-mips.org/wiki/Qemu.
545 bool "Support for SGI IP22 (Indy/Indigo2)"
549 select DMA_NONCOHERENT
550 select IP22_CPU_SCACHE
553 select SYS_SUPPORTS_32BIT_KERNEL
554 select SYS_SUPPORTS_64BIT_KERNEL
556 This are the SGI Indy, Challenge S and Indigo2, as well as certain
557 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
558 that runs on these, say Y here.
561 bool "Support for SGI IP27 (Origin200/2000)"
567 select SYS_SUPPORTS_64BIT_KERNEL
569 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
570 workstations. To compile a Linux kernel that runs on these, say Y
575 # depends on SGI_IP27
576 # This options adds support for userspace processes upto 16TB size.
577 # Normally the limit is just .5TB.
579 config SGI_SN0_N_MODE
583 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
584 configured in either N-Modes which allows for more nodes or M-Mode
585 which allows for more memory. Your system is most probably
586 running in M-Mode, so you should say N here.
588 config ARCH_DISCONTIGMEM_ENABLE
590 default y if SGI_IP27
592 Say Y to upport efficient handling of discontiguous physical memory,
593 for architectures which are either NUMA (Non-Uniform Memory Access)
594 or have huge holes in the physical address space for other reasons.
595 See <file:Documentation/vm/numa> for more.
601 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
602 Access). This option is for configuring high-end multiprocessor
603 server machines. If in doubt, say N.
606 bool "Mapped kernel support"
609 Change the way a Linux kernel is loaded into memory on a MIPS64
610 machine. This is required in order to support text replication and
611 NUMA. If you need to understand it, read the source code.
613 config REPLICATE_KTEXT
614 bool "Kernel text replication support"
617 Say Y here to enable replicating the kernel text across multiple
618 nodes in a NUMA cluster. This trades memory for speed.
620 config REPLICATE_EXHANDLERS
621 bool "Exception handler replication support"
624 Say Y here to enable replicating the kernel exception handlers
625 across multiple nodes in a NUMA cluster. This trades memory for
629 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
630 depends on EXPERIMENTAL
636 select DMA_NONCOHERENT
638 select R5000_CPU_SCACHE
639 select RM7000_CPU_SCACHE
640 select SYS_SUPPORTS_64BIT_KERNEL
642 If you want this kernel to run on SGI O2 workstation, say Y here.
645 bool "Support for AMD/Alchemy Au1X00 SOCs"
646 select SYS_SUPPORTS_32BIT_KERNEL
649 prompt "Au1X00 SOC Type"
650 depends on SOC_AU1X00
652 Say Y here to enable support for one of three AMD/Alchemy
653 SOCs. For additional documentation see www.amd.com.
667 prompt "AMD/Alchemy Au1x00 board support"
668 depends on SOC_AU1X00
670 These are evaluation boards built by AMD/Alchemy to
671 showcase their Au1X00 Internet Edge Processors. The SOC design
672 is based on the MIPS32 architecture running at 266/400/500MHz
673 with many integrated peripherals. Further information can be
674 found at their website, <http://www.amd.com/>. Say Y here if you
675 wish to build a kernel for this platform.
679 depends on SOC_AU1000
680 select DMA_NONCOHERENT
686 depends on SOC_AU1100
687 select DMA_NONCOHERENT
693 depends on SOC_AU1500
699 depends on SOC_AU1550
702 select MIPS_DISABLE_OBSOLETE_IDE
706 depends on SOC_AU1000
707 select DMA_NONCOHERENT
712 depends on SOC_AU1100
713 select DMA_NONCOHERENT
717 depends on SOC_AU1500
720 select MIPS_DISABLE_OBSOLETE_IDE
724 depends on SOC_AU1550
727 select MIPS_DISABLE_OBSOLETE_IDE
730 bool "Bosporus board"
731 depends on SOC_AU1500
732 select DMA_NONCOHERENT
736 depends on SOC_AU1500
737 select DMA_NONCOHERENT
740 bool "MyCable XXS1500 board"
741 depends on SOC_AU1500
742 select DMA_NONCOHERENT
745 bool "4G Systems MTX-1 board"
746 depends on SOC_AU1500
748 select DMA_NONCOHERENT
753 bool "Support for SNI RM200 PCI"
757 select DMA_NONCOHERENT
758 select GENERIC_ISA_DMA
759 select HAVE_STD_PC_SERIAL_PORT
763 select SYS_SUPPORTS_32BIT_KERNEL
764 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
766 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
767 Nixdorf Informationssysteme (SNI), parent company of Pyramid
768 Technology and now in turn merged with Fujitsu. Say Y here to
769 support this machine type.
771 config TOSHIBA_RBTX4927
772 bool "Support for Toshiba TBTX49[23]7 board"
773 select DMA_NONCOHERENT
774 select HAS_TXX9_SERIAL
779 select SYS_SUPPORTS_32BIT_KERNEL
780 select SYS_SUPPORTS_64BIT_KERNEL
782 This Toshiba board is based on the TX4927 processor. Say Y here to
783 support this machine type
785 config TOSHIBA_FPCIB0
786 bool "FPCIB0 Backplane Support"
787 depends on TOSHIBA_RBTX4927
789 source "arch/mips/sibyte/Kconfig"
791 config RWSEM_GENERIC_SPINLOCK
795 config RWSEM_XCHGADD_ALGORITHM
798 config GENERIC_CALIBRATE_DELAY
803 # Select some configuration options automatically based on user selections.
807 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
818 select DMA_NEED_PCI_MAP_STATE
820 config DMA_NONCOHERENT
822 select DMA_NEED_PCI_MAP_STATE
824 config DMA_NEED_PCI_MAP_STATE
829 depends on MACH_DECSTATION
832 config GENERIC_ISA_DMA
834 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
839 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
848 depends on MIPS_ATLAS || MIPS_MALTA
853 depends on MIPS_ATLAS || MIPS_MALTA
861 config MIPS_DISABLE_OBSOLETE_IDE
864 config CPU_LITTLE_ENDIAN
865 bool "Generate little endian code"
866 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
867 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
869 Some MIPS machines can be configured for either little or big endian
870 byte order. These modes require different kernels. Say Y if your
871 machine is little endian, N if it's a big endian machine.
882 config DDB5XXX_COMMON
884 depends on DDB5074 || DDB5476 || DDB5477
887 config MIPS_BOARDS_GEN
889 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
894 depends on MIPS_COBALT
899 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
904 depends on TOSHIBA_JMR3927
905 select HAS_TXX9_SERIAL
913 depends on MIPS_IVR || MIPS_ITE8172
920 # Unfortunately not all GT64120 systems run the chip at the same clock.
921 # As the user for the clock rate and try to minimize the available options.
924 prompt "Galileo Chip Clock"
925 #default SYSCLK_83 if MIPS_EV64120
926 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
927 default SYSCLK_83 if MIPS_EV64120
928 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
931 bool "75" if MIPS_EV64120
934 bool "83.3" if MIPS_EV64120
937 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
941 config AU1X00_USB_DEVICE
943 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
948 depends on MIPS_EV96100
951 Say Y here to support the Galileo Technology GT96100 communications
952 controller card. There is a web page at <http://www.galileot.com/>.
956 depends on MIPS_ITE8172 || MIPS_IVR
961 depends on MIPS_ITE8172
966 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
969 config MIPS_L1_CACHE_SHIFT
971 default "4" if MACH_DECSTATION
972 default "7" if SGI_IP27
977 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
980 config HAVE_STD_PC_SERIAL_PORT
984 bool "ARC console support"
985 depends on SGI_IP22 || SNI_RM200_PCI
989 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
994 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1007 #config MAPPED_PCI_IO y
1009 # depends on SGI_IP27
1017 config TOSHIBA_BOARDS
1019 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1024 menu "CPU selection"
1032 select CPU_SUPPORTS_32BIT_KERNEL
1036 select CPU_SUPPORTS_32BIT_KERNEL
1037 select CPU_SUPPORTS_64BIT_KERNEL
1041 select CPU_SUPPORTS_32BIT_KERNEL
1043 Please make sure to pick the right CPU type. Linux/MIPS is not
1044 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1045 *not* work on R4000 machines and vice versa. However, since most
1046 of the supported machines have an R4000 (or similar) CPU, R4x00
1047 might be a safe bet. If the resulting kernel does not work,
1048 try to recompile with R3000.
1052 select CPU_SUPPORTS_32BIT_KERNEL
1056 select CPU_SUPPORTS_32BIT_KERNEL
1057 select CPU_SUPPORTS_64BIT_KERNEL
1059 The options selects support for the NEC VR41xx series of processors.
1060 Only choose this option if you have one of these processors as a
1061 kernel built with this option will not run on any other type of
1062 processor or vice versa.
1066 select CPU_SUPPORTS_32BIT_KERNEL
1067 select CPU_SUPPORTS_64BIT_KERNEL
1069 MIPS Technologies R4300-series processors.
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_SUPPORTS_64BIT_KERNEL
1076 MIPS Technologies R4000-series processors other than 4300, including
1077 the R4000, R4400, R4600, and 4700.
1081 select CPU_SUPPORTS_32BIT_KERNEL
1082 select CPU_SUPPORTS_64BIT_KERNEL
1086 select CPU_SUPPORTS_32BIT_KERNEL
1087 select CPU_SUPPORTS_64BIT_KERNEL
1089 MIPS Technologies R5000-series processors other than the Nevada.
1096 depends on EXPERIMENTAL
1097 select CPU_SUPPORTS_32BIT_KERNEL
1099 MIPS Technologies R6000 and R6000A series processors. Note these
1100 processors are extremly rare and the support for them is incomplete.
1104 select CPU_SUPPORTS_32BIT_KERNEL
1105 select CPU_SUPPORTS_64BIT_KERNEL
1107 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1111 depends on EXPERIMENTAL
1112 select CPU_SUPPORTS_64BIT_KERNEL
1114 MIPS Technologies R8000 processors. Note these processors are
1115 uncommon and the support for them is incomplete.
1119 select CPU_SUPPORTS_32BIT_KERNEL
1120 select CPU_SUPPORTS_64BIT_KERNEL
1122 MIPS Technologies R10000-series processors.
1126 select CPU_SUPPORTS_32BIT_KERNEL
1127 select CPU_SUPPORTS_64BIT_KERNEL
1131 select CPU_SUPPORTS_32BIT_KERNEL
1132 select CPU_SUPPORTS_64BIT_KERNEL
1136 select CPU_SUPPORTS_32BIT_KERNEL
1137 select CPU_SUPPORTS_64BIT_KERNEL
1142 prompt "Kernel page size"
1143 default PAGE_SIZE_4KB
1145 config PAGE_SIZE_4KB
1148 This option select the standard 4kB Linux page size. On some
1149 R3000-family processors this is the only available page size. Using
1150 4kB page size will minimize memory consumption and is therefore
1151 recommended for low memory systems.
1153 config PAGE_SIZE_8KB
1155 depends on EXPERIMENTAL && CPU_R8000
1157 Using 8kB page size will result in higher performance kernel at
1158 the price of higher memory consumption. This option is available
1159 only on the R8000 processor. Not that at the time of this writing
1160 this option is still high experimental; there are also issues with
1161 compatibility of user applications.
1163 config PAGE_SIZE_16KB
1165 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1167 Using 16kB page size will result in higher performance kernel at
1168 the price of higher memory consumption. This option is available on
1169 all non-R3000 family processor. Not that at the time of this
1170 writing this option is still high experimental; there are also
1171 issues with compatibility of user applications.
1173 config PAGE_SIZE_64KB
1175 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1177 Using 64kB page size will result in higher performance kernel at
1178 the price of higher memory consumption. This option is available on
1179 all non-R3000 family processor. Not that at the time of this
1180 writing this option is still high experimental; there are also
1181 issues with compatibility of user applications.
1188 config IP22_CPU_SCACHE
1192 config R5000_CPU_SCACHE
1196 config RM7000_CPU_SCACHE
1200 config SIBYTE_DMA_PAGEOPS
1201 bool "Use DMA to clear/copy pages"
1204 Instead of using the CPU to zero and copy pages, use a Data Mover
1205 channel. These DMA channels are otherwise unused by the standard
1206 SiByte Linux port. Seems to give a small performance benefit.
1208 config CPU_HAS_PREFETCH
1209 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1210 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1213 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1214 default y if CPU_SB1
1216 config SB1_PASS_1_WORKAROUNDS
1218 depends on CPU_SB1_PASS_1
1221 config SB1_PASS_2_WORKAROUNDS
1223 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1226 config SB1_PASS_2_1_WORKAROUNDS
1228 depends on CPU_SB1 && CPU_SB1_PASS_2
1231 config 64BIT_PHYS_ADDR
1232 bool "Support for 64-bit physical address space"
1233 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1236 bool "Override CPU Options"
1239 Saying yes here allows you to select support for various features
1240 your CPU may or may not have. Most people should say N here.
1243 bool "ll/sc Instructions available" if CPU_ADVANCED
1244 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1246 MIPS R4000 series and later provide the Load Linked (ll)
1247 and Store Conditional (sc) instructions. More information is
1248 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1250 Say Y here if your CPU has the ll and sc instructions. Say Y here
1251 for better performance, N if you don't know. You must say Y here
1252 for multiprocessor machines.
1254 config CPU_HAS_LLDSCD
1255 bool "lld/scd Instructions available" if CPU_ADVANCED
1256 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1258 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1259 equivalents of ll and sc. Say Y here for better performance, N if
1260 you don't know. You must say Y here for multiprocessor machines.
1263 bool "Writeback Buffer available" if CPU_ADVANCED
1264 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1266 Say N here for slightly better performance. You must say Y here for
1267 machines which require flushing of write buffers in software. Saying
1268 Y is the safe option; N may result in kernel malfunction and crashes.
1272 depends on !CPU_R3000
1276 # - Highmem only makes sense for the 32-bit kernel.
1277 # - The current highmem code will only work properly on physically indexed
1278 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1279 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1280 # moment we protect the user and offer the highmem option only on machines
1281 # where it's known to be safe. This will not offer highmem on a few systems
1282 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1283 # indexed CPUs but we're playing safe.
1284 # - We should not offer highmem for system of which we already know that they
1285 # don't have memory configurations that could gain from highmem support in
1286 # the kernel because they don't support configurations with RAM at physical
1287 # addresses > 0x20000000.
1290 bool "High Memory Support"
1291 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1293 config ARCH_FLATMEM_ENABLE
1300 bool "Multi-Processing support"
1301 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1303 This enables support for systems with more than one CPU. If you have
1304 a system with only one CPU, like most personal computers, say N. If
1305 you have a system with more than one CPU, say Y.
1307 If you say N here, the kernel will run on single and multiprocessor
1308 machines, but will use only one CPU of a multiprocessor machine. If
1309 you say Y here, the kernel will run on many, but not all,
1310 singleprocessor machines. On a singleprocessor machine, the kernel
1311 will run faster if you say N here.
1313 People using multiprocessor machines who say Y here should also say
1314 Y to "Enhanced Real Time Clock Support", below.
1316 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1317 available at <http://www.tldp.org/docs.html#howto>.
1319 If you don't know what to do here, say N.
1322 int "Maximum number of CPUs (2-64)"
1325 default "64" if SGI_IP27
1328 This allows you to specify the maximum number of CPUs which this
1329 kernel will support. The maximum supported value is 32 for 32-bit
1330 kernel and 64 for 64-bit kernels; the minimum value which makes
1333 This is purely to save memory - each supported CPU adds
1334 approximately eight kilobytes to the kernel image.
1337 bool "Preemptible Kernel"
1339 This option reduces the latency of the kernel when reacting to
1340 real-time or interactive events by allowing a low priority process to
1341 be preempted even if it is in kernel mode executing a system call.
1342 This allows applications to run more reliably even when the system is
1346 bool "DS1742 BRAM/RTC support"
1347 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1349 config MIPS_INSANE_LARGE
1350 bool "Support for large 64-bit configurations"
1351 depends on CPU_R10000 && 64BIT
1353 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1354 previous 64-bit processors which only supported 40 bit / 1TB. If you
1355 need processes of more than 1TB virtual address space, say Y here.
1356 This will result in additional memory usage, so it is not
1357 recommended for normal users.
1359 config RWSEM_GENERIC_SPINLOCK
1365 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1371 bool "Support for PCI controller"
1372 depends on HW_HAS_PCI
1374 Find out whether you have a PCI motherboard. PCI is the name of a
1375 bus system, i.e. the way the CPU talks to the other stuff inside
1376 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1379 The PCI-HOWTO, available from
1380 <http://www.tldp.org/docs.html#howto>, contains valuable
1381 information about which PCI hardware does work under Linux and which
1388 source "drivers/pci/Kconfig"
1391 # ISA support is now enabled via select. Too many systems still have the one
1392 # or other ISA chip on the board that users don't know about so don't expect
1393 # users to choose the right thing ...
1400 depends on SGI_IP22 || SNI_RM200_PCI
1403 The Extended Industry Standard Architecture (EISA) bus was
1404 developed as an open alternative to the IBM MicroChannel bus.
1406 The EISA bus provided some of the features of the IBM MicroChannel
1407 bus while maintaining backward compatibility with cards made for
1408 the older ISA bus. The EISA bus saw limited use between 1988 and
1409 1995 when it was made obsolete by the PCI bus.
1411 Say Y here if you are building a kernel for an EISA-based machine.
1415 source "drivers/eisa/Kconfig"
1418 bool "TURBOchannel support"
1419 depends on MACH_DECSTATION
1421 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1422 processors. Documentation on writing device drivers for TurboChannel
1424 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1427 # bool "Access.Bus support"
1440 source "drivers/pcmcia/Kconfig"
1442 source "drivers/pci/hotplug/Kconfig"
1446 menu "Executable file formats"
1448 source "fs/Kconfig.binfmt"
1455 bool "Use 64-bit ELF format for building"
1458 A 64-bit kernel is usually built using the 64-bit ELF binary object
1459 format as it's one that allows arbitrary 64-bit constructs. For
1460 kernels that are loaded within the KSEG compatibility segments the
1461 32-bit ELF format can optionally be used resulting in a somewhat
1462 smaller binary, but this option is not explicitly supported by the
1463 toolchain and since binutils 2.14 it does not even work at all.
1465 Say Y to use the 64-bit format or N to use the 32-bit one.
1470 bool "Include IRIX binary compatibility"
1471 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1473 config MIPS32_COMPAT
1474 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1477 Select this option if you want Linux/MIPS 32-bit binary
1478 compatibility. Since all software available for Linux/MIPS is
1479 currently 32-bit you should say Y here.
1483 depends on MIPS32_COMPAT
1487 bool "Kernel support for o32 binaries"
1488 depends on MIPS32_COMPAT
1490 Select this option if you want to run o32 binaries. These are pure
1491 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1492 existing binaries are in this format.
1497 bool "Kernel support for n32 binaries"
1498 depends on MIPS32_COMPAT
1500 Select this option if you want to run n32 binaries. These are
1501 64-bit binaries using 32-bit quantities for addressing and certain
1502 data that would normally be 64-bit. They are used in special
1509 default y if MIPS32_O32 || MIPS32_N32
1512 bool "Power Management support (EXPERIMENTAL)"
1513 depends on EXPERIMENTAL && MACH_AU1X00
1517 source "net/Kconfig"
1519 source "drivers/Kconfig"
1523 source "arch/mips/Kconfig.debug"
1525 source "security/Kconfig"
1527 source "crypto/Kconfig"
1529 source "lib/Kconfig"
1532 # Use the generic interrupt handling code in kernel/irq/:
1534 config GENERIC_HARDIRQS
1538 config GENERIC_IRQ_PROBE