4 # Horrible source of confusion. Die, die, die ...
7 mainmenu "Linux/MIPS Kernel Configuration"
9 menu "Machine selection"
20 bool "4G Systems MTX-1 board"
21 select DMA_NONCOHERENT
23 select RESOURCES_64BIT if PCI
25 select SYS_HAS_CPU_MIPS32_R1
26 select SYS_SUPPORTS_LITTLE_ENDIAN
29 bool "AMD Alchemy Bosporus board"
31 select DMA_NONCOHERENT
32 select SYS_HAS_CPU_MIPS32_R1
33 select SYS_SUPPORTS_LITTLE_ENDIAN
36 bool "AMD Alchemy PB1000 board"
38 select DMA_NONCOHERENT
40 select RESOURCES_64BIT if PCI
42 select SYS_HAS_CPU_MIPS32_R1
43 select SYS_SUPPORTS_LITTLE_ENDIAN
46 bool "AMD Alchemy PB1100 board"
48 select DMA_NONCOHERENT
50 select RESOURCES_64BIT if PCI
52 select SYS_HAS_CPU_MIPS32_R1
53 select SYS_SUPPORTS_LITTLE_ENDIAN
56 bool "AMD Alchemy PB1500 board"
58 select DMA_NONCOHERENT
60 select RESOURCES_64BIT if PCI
61 select SYS_HAS_CPU_MIPS32_R1
62 select SYS_SUPPORTS_LITTLE_ENDIAN
65 bool "AMD Alchemy PB1550 board"
67 select DMA_NONCOHERENT
69 select MIPS_DISABLE_OBSOLETE_IDE
70 select RESOURCES_64BIT if PCI
71 select SYS_HAS_CPU_MIPS32_R1
72 select SYS_SUPPORTS_LITTLE_ENDIAN
75 bool "AMD Alchemy PB1200 board"
77 select DMA_NONCOHERENT
78 select MIPS_DISABLE_OBSOLETE_IDE
79 select RESOURCES_64BIT if PCI
80 select SYS_HAS_CPU_MIPS32_R1
81 select SYS_SUPPORTS_LITTLE_ENDIAN
84 bool "AMD Alchemy DB1000 board"
86 select DMA_NONCOHERENT
88 select RESOURCES_64BIT if PCI
89 select SYS_HAS_CPU_MIPS32_R1
90 select SYS_SUPPORTS_LITTLE_ENDIAN
93 bool "AMD Alchemy DB1100 board"
95 select DMA_NONCOHERENT
96 select SYS_HAS_CPU_MIPS32_R1
97 select SYS_SUPPORTS_LITTLE_ENDIAN
100 bool "AMD Alchemy DB1500 board"
102 select DMA_NONCOHERENT
104 select MIPS_DISABLE_OBSOLETE_IDE
105 select RESOURCES_64BIT if PCI
106 select SYS_HAS_CPU_MIPS32_R1
107 select SYS_SUPPORTS_BIG_ENDIAN
108 select SYS_SUPPORTS_LITTLE_ENDIAN
111 bool "AMD Alchemy DB1550 board"
114 select DMA_NONCOHERENT
115 select MIPS_DISABLE_OBSOLETE_IDE
116 select RESOURCES_64BIT if PCI
117 select SYS_HAS_CPU_MIPS32_R1
118 select SYS_SUPPORTS_LITTLE_ENDIAN
121 bool "AMD Alchemy DB1200 board"
124 select MIPS_DISABLE_OBSOLETE_IDE
125 select SYS_HAS_CPU_MIPS32_R1
126 select SYS_SUPPORTS_LITTLE_ENDIAN
129 bool "AMD Alchemy Mirage board"
130 select DMA_NONCOHERENT
132 select SYS_HAS_CPU_MIPS32_R1
133 select SYS_SUPPORTS_LITTLE_ENDIAN
136 bool "Basler eXcite smart camera"
143 select SYS_HAS_CPU_RM9000
144 select SYS_SUPPORTS_32BIT_KERNEL
145 select SYS_SUPPORTS_64BIT_KERNEL
146 select SYS_SUPPORTS_BIG_ENDIAN
147 select SYS_SUPPORTS_KGDB
149 The eXcite is a smart camera platform manufactured by
150 Basler Vision Technologies AG.
152 config BASLER_EXCITE_PROTOTYPE
153 bool "Support for pre-release units"
154 depends on BASLER_EXCITE
157 Pre-series (prototype) units are different from later ones in
158 some ways. Select this option if you have one of these. Please
159 note that a kernel built with this option selected will not be
160 able to run on normal units.
164 select DMA_NONCOHERENT
168 select PCI_GT64XXX_PCI0
169 select SYS_HAS_CPU_NEVADA
170 select SYS_HAS_EARLY_PRINTK
171 select SYS_SUPPORTS_32BIT_KERNEL
172 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
173 select SYS_SUPPORTS_LITTLE_ENDIAN
174 select GENERIC_HARDIRQS_NO__DO_IRQ
176 config MACH_DECSTATION
179 select DMA_NONCOHERENT
180 select SYS_HAS_EARLY_PRINTK
182 select SYS_HAS_CPU_R3000
183 select SYS_HAS_CPU_R4X00
184 select SYS_SUPPORTS_32BIT_KERNEL
185 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
186 select SYS_SUPPORTS_LITTLE_ENDIAN
187 select SYS_SUPPORTS_128HZ
188 select SYS_SUPPORTS_256HZ
189 select SYS_SUPPORTS_1024HZ
191 This enables support for DEC's MIPS based workstations. For details
192 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
193 DECstation porting pages on <http://decstation.unix-ag.org/>.
195 If you have one of the following DECstation Models you definitely
196 want to choose R4xx0 for the CPU Type:
203 otherwise choose R3000.
206 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
207 depends on EXPERIMENTAL
208 select DMA_NONCOHERENT
210 select PCI_GT64XXX_PCI0
211 select SYS_HAS_CPU_R5000
212 select SYS_SUPPORTS_32BIT_KERNEL
213 select SYS_SUPPORTS_64BIT_KERNEL
214 select SYS_SUPPORTS_BIG_ENDIAN
215 select SYS_SUPPORTS_KGDB
217 This is an evaluation board based on the Galileo GT-64120
218 single-chip system controller that contains a MIPS R5000 compatible
219 core running at 75/100MHz. Their website is located at
220 <http://www.marvell.com/>. Say Y here if you wish to build a
221 kernel for this platform.
224 bool "Jazz family of machines"
227 select ARCH_MAY_HAVE_PC_FDC
228 select GENERIC_ISA_DMA
232 select SYS_HAS_CPU_R4X00
233 select SYS_SUPPORTS_32BIT_KERNEL
234 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
235 select SYS_SUPPORTS_100HZ
236 select GENERIC_HARDIRQS_NO__DO_IRQ
238 This a family of machines based on the MIPS R4030 chipset which was
239 used by several vendors to build RISC/os and Windows NT workstations.
240 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
241 Olivetti M700-10 workstations.
244 bool "LASAT Networks platforms"
245 select DMA_NONCOHERENT
246 select SYS_HAS_EARLY_PRINTK
248 select PCI_GT64XXX_PCI0
250 select R5000_CPU_SCACHE
251 select SYS_HAS_CPU_R5000
252 select SYS_SUPPORTS_32BIT_KERNEL
253 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
254 select SYS_SUPPORTS_LITTLE_ENDIAN
255 select GENERIC_HARDIRQS_NO__DO_IRQ
258 bool "MIPS Atlas board"
260 select DMA_NONCOHERENT
261 select SYS_HAS_EARLY_PRINTK
264 select MIPS_BOARDS_GEN
266 select PCI_GT64XXX_PCI0
268 select RM7000_CPU_SCACHE
270 select SYS_HAS_CPU_MIPS32_R1
271 select SYS_HAS_CPU_MIPS32_R2
272 select SYS_HAS_CPU_MIPS64_R1
273 select SYS_HAS_CPU_NEVADA
274 select SYS_HAS_CPU_RM7000
275 select SYS_SUPPORTS_32BIT_KERNEL
276 select SYS_SUPPORTS_64BIT_KERNEL
277 select SYS_SUPPORTS_BIG_ENDIAN
278 select SYS_SUPPORTS_LITTLE_ENDIAN
279 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
280 select SYS_SUPPORTS_SMARTMIPS
281 select GENERIC_HARDIRQS_NO__DO_IRQ
283 This enables support for the MIPS Technologies Atlas evaluation
287 bool "MIPS Malta board"
288 select ARCH_MAY_HAVE_PC_FDC
290 select HAVE_STD_PC_SERIAL_PORT
291 select DMA_NONCOHERENT
292 select GENERIC_ISA_DMA
296 select MIPS_BOARDS_GEN
298 select MIPS_CPU_SCACHE
299 select PCI_GT64XXX_PCI0
302 select SYS_HAS_CPU_MIPS32_R1
303 select SYS_HAS_CPU_MIPS32_R2
304 select SYS_HAS_CPU_MIPS64_R1
305 select SYS_HAS_CPU_NEVADA
306 select SYS_HAS_CPU_RM7000
307 select SYS_HAS_EARLY_PRINTK
308 select SYS_SUPPORTS_32BIT_KERNEL
309 select SYS_SUPPORTS_64BIT_KERNEL
310 select SYS_SUPPORTS_BIG_ENDIAN
311 select SYS_SUPPORTS_LITTLE_ENDIAN
312 select SYS_SUPPORTS_MULTITHREADING
313 select SYS_SUPPORTS_SMARTMIPS
315 This enables support for the MIPS Technologies Malta evaluation
319 bool "MIPS SEAD board (EXPERIMENTAL)"
320 depends on EXPERIMENTAL
322 select DMA_NONCOHERENT
323 select SYS_HAS_EARLY_PRINTK
324 select MIPS_BOARDS_GEN
325 select SYS_HAS_CPU_MIPS32_R1
326 select SYS_HAS_CPU_MIPS32_R2
327 select SYS_HAS_CPU_MIPS64_R1
328 select SYS_SUPPORTS_32BIT_KERNEL
329 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
330 select SYS_SUPPORTS_BIG_ENDIAN
331 select SYS_SUPPORTS_LITTLE_ENDIAN
332 select SYS_SUPPORTS_SMARTMIPS
334 This enables support for the MIPS Technologies SEAD evaluation
338 bool "Wind River PPMC board"
341 select DMA_NONCOHERENT
343 select PCI_GT64XXX_PCI0
345 select SYS_HAS_CPU_MIPS32_R1
346 select SYS_HAS_CPU_MIPS32_R2
347 select SYS_HAS_CPU_MIPS64_R1
348 select SYS_HAS_CPU_NEVADA
349 select SYS_HAS_CPU_RM7000
350 select SYS_SUPPORTS_32BIT_KERNEL
351 select SYS_SUPPORTS_64BIT_KERNEL
352 select SYS_SUPPORTS_BIG_ENDIAN
353 select SYS_SUPPORTS_LITTLE_ENDIAN
355 This enables support for the Wind River MIPS32 4KC PPMC evaluation
356 board, which is based on GT64120 bridge chip.
359 bool 'MIPS simulator (MIPSsim)'
360 select DMA_NONCOHERENT
361 select SYS_HAS_EARLY_PRINTK
363 select SYS_HAS_CPU_MIPS32_R1
364 select SYS_HAS_CPU_MIPS32_R2
365 select SYS_HAS_EARLY_PRINTK
366 select SYS_SUPPORTS_32BIT_KERNEL
367 select SYS_SUPPORTS_BIG_ENDIAN
368 select SYS_SUPPORTS_LITTLE_ENDIAN
370 This option enables support for MIPS Technologies MIPSsim software
373 config MOMENCO_JAGUAR_ATX
374 bool "Momentum Jaguar board"
376 select DMA_NONCOHERENT
383 select RM7000_CPU_SCACHE
385 select SYS_HAS_CPU_RM9000
386 select SYS_HAS_EARLY_PRINTK
387 select SYS_SUPPORTS_32BIT_KERNEL
388 select SYS_SUPPORTS_64BIT_KERNEL
389 select SYS_SUPPORTS_BIG_ENDIAN
390 select SYS_SUPPORTS_KGDB
392 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
393 Momentum Computer <http://www.momenco.com/>.
395 config MOMENCO_OCELOT
396 bool "Momentum Ocelot board"
397 select DMA_NONCOHERENT
401 select PCI_GT64XXX_PCI0
402 select RM7000_CPU_SCACHE
404 select SYS_HAS_CPU_RM7000
405 select SYS_SUPPORTS_32BIT_KERNEL
406 select SYS_SUPPORTS_64BIT_KERNEL
407 select SYS_SUPPORTS_BIG_ENDIAN
408 select SYS_SUPPORTS_KGDB
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 "Momentum Ocelot-3 board"
416 select DMA_NONCOHERENT
422 select RM7000_CPU_SCACHE
424 select SYS_HAS_CPU_RM9000
425 select SYS_SUPPORTS_32BIT_KERNEL
426 select SYS_SUPPORTS_64BIT_KERNEL
427 select SYS_SUPPORTS_BIG_ENDIAN
429 The Ocelot-3 is based off Discovery III System Controller and
430 PMC-Sierra Rm79000 core.
432 config MOMENCO_OCELOT_C
433 bool "Momentum Ocelot-C board"
434 select DMA_NONCOHERENT
439 select RM7000_CPU_SCACHE
441 select SYS_HAS_CPU_RM7000
442 select SYS_SUPPORTS_32BIT_KERNEL
443 select SYS_SUPPORTS_64BIT_KERNEL
444 select SYS_SUPPORTS_BIG_ENDIAN
445 select GENERIC_HARDIRQS_NO__DO_IRQ
447 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
448 Momentum Computer <http://www.momenco.com/>.
450 config MOMENCO_OCELOT_G
451 bool "Momentum Ocelot-G board"
452 select DMA_NONCOHERENT
457 select RM7000_CPU_SCACHE
459 select SYS_HAS_CPU_RM7000
460 select SYS_SUPPORTS_32BIT_KERNEL
461 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
462 select SYS_SUPPORTS_BIG_ENDIAN
464 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
465 Momentum Computer <http://www.momenco.com/>.
468 bool "MyCable XXS1500 board"
469 select DMA_NONCOHERENT
471 select SYS_SUPPORTS_LITTLE_ENDIAN
474 bool "Philips PNX8550 based JBS board"
476 select SYS_SUPPORTS_LITTLE_ENDIAN
478 config PNX8550_STB810
479 bool "Support for Philips PNX8550 based STB810 board"
481 select SYS_SUPPORTS_LITTLE_ENDIAN
484 bool "NEC DDB Vrc-5477"
485 select DDB5XXX_COMMON
486 select DMA_NONCOHERENT
490 select SYS_HAS_CPU_R5432
491 select SYS_SUPPORTS_32BIT_KERNEL
492 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
493 select SYS_SUPPORTS_KGDB
494 select SYS_SUPPORTS_KGDB
495 select SYS_SUPPORTS_LITTLE_ENDIAN
497 This enables support for the R5432-based NEC DDB Vrc-5477,
498 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
500 Features : kernel debugging, serial terminal, NFS root fs, on-board
501 ether port USB, AC97, PCI, etc.
504 bool "NEC VR41XX-based machines"
505 select SYS_HAS_CPU_VR41XX
506 select SYS_SUPPORTS_32BIT_KERNEL
507 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
508 select GENERIC_HARDIRQS_NO__DO_IRQ
511 bool "PMC-Sierra Yosemite eval board"
518 select SYS_HAS_CPU_RM9000
519 select SYS_HAS_EARLY_PRINTK
520 select SYS_SUPPORTS_32BIT_KERNEL
521 select SYS_SUPPORTS_64BIT_KERNEL
522 select SYS_SUPPORTS_BIG_ENDIAN
523 select SYS_SUPPORTS_HIGHMEM
524 select SYS_SUPPORTS_KGDB
525 select SYS_SUPPORTS_SMP
527 Yosemite is an evaluation board for the RM9000x2 processor
528 manufactured by PMC-Sierra.
533 select GENERIC_ISA_DMA
534 select HAVE_STD_PC_SERIAL_PORT
539 select SYS_HAS_CPU_MIPS32_R1
540 select SYS_SUPPORTS_32BIT_KERNEL
541 select SYS_SUPPORTS_BIG_ENDIAN
542 select SYS_SUPPORTS_LITTLE_ENDIAN
543 select ARCH_SPARSEMEM_ENABLE
544 select GENERIC_HARDIRQS_NO__DO_IRQ
545 select NR_CPUS_DEFAULT_1
546 select SYS_SUPPORTS_SMP
548 Qemu is a software emulator which among other architectures also
549 can simulate a MIPS32 4Kc system. This patch adds support for the
550 system architecture that currently is being simulated by Qemu. It
551 will eventually be removed again when Qemu has the capability to
552 simulate actual MIPS hardware platforms. More information on Qemu
553 can be found at http://www.linux-mips.org/wiki/Qemu.
556 bool "Support for NEC EMMA2RH Mark-eins"
557 select DMA_NONCOHERENT
561 select SYS_SUPPORTS_32BIT_KERNEL
562 select SYS_SUPPORTS_BIG_ENDIAN
563 select SYS_SUPPORTS_LITTLE_ENDIAN
564 select SYS_HAS_CPU_R5000
566 This enables support for the R5432-based NEC Mark-eins
567 boards with R5500 CPU.
570 bool "SGI IP22 (Indy/Indigo2)"
574 select DMA_NONCOHERENT
576 select IP22_CPU_SCACHE
578 select GENERIC_ISA_DMA_SUPPORT_BROKEN
580 select SYS_HAS_CPU_R4X00
581 select SYS_HAS_CPU_R5000
582 select SYS_HAS_EARLY_PRINTK
583 select SYS_SUPPORTS_32BIT_KERNEL
584 select SYS_SUPPORTS_64BIT_KERNEL
585 select SYS_SUPPORTS_BIG_ENDIAN
587 This are the SGI Indy, Challenge S and Indigo2, as well as certain
588 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
589 that runs on these, say Y here.
592 bool "SGI IP27 (Origin200/2000)"
597 select SYS_HAS_EARLY_PRINTK
599 select NR_CPUS_DEFAULT_64
601 select SYS_HAS_CPU_R10000
602 select SYS_SUPPORTS_64BIT_KERNEL
603 select SYS_SUPPORTS_BIG_ENDIAN
604 select SYS_SUPPORTS_KGDB
605 select SYS_SUPPORTS_NUMA
606 select SYS_SUPPORTS_SMP
607 select GENERIC_HARDIRQS_NO__DO_IRQ
609 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
610 workstations. To compile a Linux kernel that runs on these, say Y
614 bool "SGI IP32 (O2) (EXPERIMENTAL)"
615 depends on EXPERIMENTAL
619 select DMA_NONCOHERENT
621 select R5000_CPU_SCACHE
622 select RM7000_CPU_SCACHE
623 select SYS_HAS_CPU_R5000
624 select SYS_HAS_CPU_R10000 if BROKEN
625 select SYS_HAS_CPU_RM7000
626 select SYS_HAS_CPU_NEVADA
627 select SYS_SUPPORTS_64BIT_KERNEL
628 select SYS_SUPPORTS_BIG_ENDIAN
630 If you want this kernel to run on SGI O2 workstation, say Y here.
633 bool "Sibyte BCM91480B-BigSur"
636 select NR_CPUS_DEFAULT_4
638 select SIBYTE_BCM1x80
640 select SYS_HAS_CPU_SB1
641 select SYS_SUPPORTS_BIG_ENDIAN
642 select SYS_SUPPORTS_LITTLE_ENDIAN
645 bool "Sibyte BCM91250A-SWARM"
648 select NR_CPUS_DEFAULT_2
651 select SYS_HAS_CPU_SB1
652 select SYS_SUPPORTS_BIG_ENDIAN
653 select SYS_SUPPORTS_HIGHMEM
654 select SYS_SUPPORTS_KGDB
655 select SYS_SUPPORTS_LITTLE_ENDIAN
657 config SIBYTE_SENTOSA
658 bool "Sibyte BCM91250E-Sentosa"
659 depends on EXPERIMENTAL
662 select NR_CPUS_DEFAULT_2
665 select SYS_HAS_CPU_SB1
666 select SYS_SUPPORTS_BIG_ENDIAN
667 select SYS_SUPPORTS_LITTLE_ENDIAN
670 bool "Sibyte BCM91125E-Rhone"
671 depends on EXPERIMENTAL
674 select SIBYTE_BCM1125H
676 select SYS_HAS_CPU_SB1
677 select SYS_SUPPORTS_BIG_ENDIAN
678 select SYS_SUPPORTS_LITTLE_ENDIAN
681 bool "Sibyte BCM91120x-Carmel"
682 depends on EXPERIMENTAL
685 select SIBYTE_BCM1120
687 select SYS_HAS_CPU_SB1
688 select SYS_SUPPORTS_BIG_ENDIAN
689 select SYS_SUPPORTS_LITTLE_ENDIAN
691 config SIBYTE_PTSWARM
692 bool "Sibyte BCM91250PT-PTSWARM"
693 depends on EXPERIMENTAL
696 select NR_CPUS_DEFAULT_2
699 select SYS_HAS_CPU_SB1
700 select SYS_SUPPORTS_BIG_ENDIAN
701 select SYS_SUPPORTS_HIGHMEM
702 select SYS_SUPPORTS_LITTLE_ENDIAN
704 config SIBYTE_LITTLESUR
705 bool "Sibyte BCM91250C2-LittleSur"
706 depends on EXPERIMENTAL
709 select NR_CPUS_DEFAULT_2
712 select SYS_HAS_CPU_SB1
713 select SYS_SUPPORTS_BIG_ENDIAN
714 select SYS_SUPPORTS_HIGHMEM
715 select SYS_SUPPORTS_LITTLE_ENDIAN
718 bool "Sibyte BCM91120C-CRhine"
719 depends on EXPERIMENTAL
722 select SIBYTE_BCM1120
724 select SYS_HAS_CPU_SB1
725 select SYS_SUPPORTS_BIG_ENDIAN
726 select SYS_SUPPORTS_LITTLE_ENDIAN
729 bool "Sibyte BCM91125C-CRhone"
730 depends on EXPERIMENTAL
733 select SIBYTE_BCM1125
735 select SYS_HAS_CPU_SB1
736 select SYS_SUPPORTS_BIG_ENDIAN
737 select SYS_SUPPORTS_HIGHMEM
738 select SYS_SUPPORTS_LITTLE_ENDIAN
741 bool "SNI RM200/300/400"
742 select ARC if CPU_LITTLE_ENDIAN
743 select ARC32 if CPU_LITTLE_ENDIAN
744 select ARCH_MAY_HAVE_PC_FDC
746 select DMA_NONCOHERENT
747 select GENERIC_ISA_DMA
754 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
755 select SYS_HAS_CPU_R4X00
756 select SYS_HAS_CPU_R5000
757 select SYS_HAS_CPU_R10000
758 select R5000_CPU_SCACHE
759 select SYS_HAS_EARLY_PRINTK
760 select SYS_SUPPORTS_32BIT_KERNEL
761 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
762 select SYS_SUPPORTS_BIG_ENDIAN
763 select SYS_SUPPORTS_HIGHMEM
764 select SYS_SUPPORTS_LITTLE_ENDIAN
766 The SNI RM200/300/400 are MIPS-based machines manufactured by
767 Siemens 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_JMR3927
772 bool "Toshiba JMR-TX3927 board"
773 select DMA_NONCOHERENT
777 select SYS_HAS_CPU_TX39XX
778 select SYS_SUPPORTS_32BIT_KERNEL
779 select SYS_SUPPORTS_LITTLE_ENDIAN
780 select SYS_SUPPORTS_BIG_ENDIAN
781 select TOSHIBA_BOARDS
783 config TOSHIBA_RBTX4927
784 bool "Toshiba TBTX49[23]7 board"
785 select DMA_NONCOHERENT
786 select HAS_TXX9_SERIAL
791 select SYS_HAS_CPU_TX49XX
792 select SYS_SUPPORTS_32BIT_KERNEL
793 select SYS_SUPPORTS_64BIT_KERNEL
794 select SYS_SUPPORTS_LITTLE_ENDIAN
795 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_KGDB
797 select TOSHIBA_BOARDS
798 select GENERIC_HARDIRQS_NO__DO_IRQ
800 This Toshiba board is based on the TX4927 processor. Say Y here to
801 support this machine type
803 config TOSHIBA_RBTX4938
804 bool "Toshiba RBTX4938 board"
805 select HAVE_STD_PC_SERIAL_PORT
806 select DMA_NONCOHERENT
807 select GENERIC_ISA_DMA
808 select HAS_TXX9_SERIAL
813 select SYS_HAS_CPU_TX49XX
814 select SYS_SUPPORTS_32BIT_KERNEL
815 select SYS_SUPPORTS_LITTLE_ENDIAN
816 select SYS_SUPPORTS_BIG_ENDIAN
817 select SYS_SUPPORTS_KGDB
818 select TOSHIBA_BOARDS
819 select GENERIC_HARDIRQS_NO__DO_IRQ
821 This Toshiba board is based on the TX4938 processor. Say Y here to
822 support this machine type
826 source "arch/mips/ddb5xxx/Kconfig"
827 source "arch/mips/gt64120/ev64120/Kconfig"
828 source "arch/mips/jazz/Kconfig"
829 source "arch/mips/lasat/Kconfig"
830 source "arch/mips/momentum/Kconfig"
831 source "arch/mips/pmc-sierra/Kconfig"
832 source "arch/mips/sgi-ip27/Kconfig"
833 source "arch/mips/sibyte/Kconfig"
834 source "arch/mips/tx4927/Kconfig"
835 source "arch/mips/tx4938/Kconfig"
836 source "arch/mips/vr41xx/Kconfig"
837 source "arch/mips/philips/pnx8550/common/Kconfig"
841 config RWSEM_GENERIC_SPINLOCK
845 config RWSEM_XCHGADD_ALGORITHM
848 config ARCH_HAS_ILOG2_U32
852 config ARCH_HAS_ILOG2_U64
856 config GENERIC_FIND_NEXT_BIT
860 config GENERIC_HWEIGHT
864 config GENERIC_CALIBRATE_DELAY
872 config SCHED_NO_NO_OMIT_FRAME_POINTER
876 config GENERIC_HARDIRQS_NO__DO_IRQ
881 # Select some configuration options automatically based on user selections.
886 config ARCH_MAY_HAVE_PC_FDC
897 select DMA_NEED_PCI_MAP_STATE
899 config DMA_NONCOHERENT
901 select DMA_NEED_PCI_MAP_STATE
903 config DMA_NEED_PCI_MAP_STATE
907 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
908 depends on SYS_HAS_EARLY_PRINTK
911 This option enables special console drivers which allow the kernel
912 to print messages very early in the bootup process.
914 This is useful for kernel debugging when your machine crashes very
915 early before the console code is initialized. For normal operation
916 it is not recommended because it looks on some machines ugly and
917 oesn't cooperate with an X server. You should normally N here,
918 unless you want to debug such a crash.
920 config SYS_HAS_EARLY_PRINTK
923 config GENERIC_ISA_DMA
932 select SYS_SUPPORTS_HIGHMEM
943 config MIPS_DISABLE_OBSOLETE_IDE
946 config GENERIC_ISA_DMA_SUPPORT_BROKEN
950 # Endianess selection. Sufficiently obscure so many users don't know what to
951 # answer,so we try hard to limit the available choices. Also the use of a
952 # choice statement should be more obvious to the user.
955 prompt "Endianess selection"
957 Some MIPS machines can be configured for either little or big endian
958 byte order. These modes require different kernels and a different
959 Linux distribution. In general there is one preferred byteorder for a
960 particular system but some systems are just as commonly used in the
961 one or the other endianess.
963 config CPU_BIG_ENDIAN
965 depends on SYS_SUPPORTS_BIG_ENDIAN
967 config CPU_LITTLE_ENDIAN
969 depends on SYS_SUPPORTS_LITTLE_ENDIAN
974 config SYS_SUPPORTS_APM_EMULATION
977 config SYS_SUPPORTS_BIG_ENDIAN
980 config SYS_SUPPORTS_LITTLE_ENDIAN
995 config DDB5XXX_COMMON
997 select SYS_SUPPORTS_KGDB
999 config MIPS_BOARDS_GEN
1002 config PCI_GT64XXX_PCI0
1007 select HAS_TXX9_SERIAL
1011 select SERIAL_RM9000
1040 select SYS_HAS_CPU_MIPS32_R1
1041 select SYS_SUPPORTS_32BIT_KERNEL
1042 select SYS_SUPPORTS_APM_EMULATION
1043 select SYS_SUPPORTS_KGDB
1051 select DMA_NONCOHERENT
1053 select SYS_HAS_CPU_MIPS32_R1
1054 select SYS_HAS_EARLY_PRINTK
1055 select SYS_SUPPORTS_32BIT_KERNEL
1056 select GENERIC_HARDIRQS_NO__DO_IRQ
1057 select SYS_SUPPORTS_KGDB
1059 config SWAP_IO_SPACE
1067 config SERIAL_RM9000
1077 # Unfortunately not all GT64120 systems run the chip at the same clock.
1078 # As the user for the clock rate and try to minimize the available options.
1081 prompt "Galileo Chip Clock"
1082 #default SYSCLK_83 if MIPS_EV64120
1083 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1084 default SYSCLK_83 if MIPS_EV64120
1085 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1088 bool "75" if MIPS_EV64120
1091 bool "83.3" if MIPS_EV64120
1094 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1104 config MIPS_L1_CACHE_SHIFT
1106 default "4" if MACH_DECSTATION || SNI_RM
1107 default "7" if SGI_IP27
1110 config HAVE_STD_PC_SERIAL_PORT
1114 bool "ARC console support"
1115 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
1119 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1124 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
1133 config TOSHIBA_BOARDS
1136 menu "CPU selection"
1142 config CPU_MIPS32_R1
1143 bool "MIPS32 Release 1"
1144 depends on SYS_HAS_CPU_MIPS32_R1
1146 select CPU_HAS_PREFETCH
1147 select CPU_SUPPORTS_32BIT_KERNEL
1148 select CPU_SUPPORTS_HIGHMEM
1150 Choose this option to build a kernel for release 1 or later of the
1151 MIPS32 architecture. Most modern embedded systems with a 32-bit
1152 MIPS processor are based on a MIPS32 processor. If you know the
1153 specific type of processor in your system, choose those that one
1154 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1155 Release 2 of the MIPS32 architecture is available since several
1156 years so chances are you even have a MIPS32 Release 2 processor
1157 in which case you should choose CPU_MIPS32_R2 instead for better
1160 config CPU_MIPS32_R2
1161 bool "MIPS32 Release 2"
1162 depends on SYS_HAS_CPU_MIPS32_R2
1164 select CPU_HAS_PREFETCH
1165 select CPU_SUPPORTS_32BIT_KERNEL
1166 select CPU_SUPPORTS_HIGHMEM
1168 Choose this option to build a kernel for release 2 or later of the
1169 MIPS32 architecture. Most modern embedded systems with a 32-bit
1170 MIPS processor are based on a MIPS32 processor. If you know the
1171 specific type of processor in your system, choose those that one
1172 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1174 config CPU_MIPS64_R1
1175 bool "MIPS64 Release 1"
1176 depends on SYS_HAS_CPU_MIPS64_R1
1178 select CPU_HAS_PREFETCH
1179 select CPU_SUPPORTS_32BIT_KERNEL
1180 select CPU_SUPPORTS_64BIT_KERNEL
1181 select CPU_SUPPORTS_HIGHMEM
1183 Choose this option to build a kernel for release 1 or later of the
1184 MIPS64 architecture. Many modern embedded systems with a 64-bit
1185 MIPS processor are based on a MIPS64 processor. If you know the
1186 specific type of processor in your system, choose those that one
1187 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1188 Release 2 of the MIPS64 architecture is available since several
1189 years so chances are you even have a MIPS64 Release 2 processor
1190 in which case you should choose CPU_MIPS64_R2 instead for better
1193 config CPU_MIPS64_R2
1194 bool "MIPS64 Release 2"
1195 depends on SYS_HAS_CPU_MIPS64_R2
1197 select CPU_HAS_PREFETCH
1198 select CPU_SUPPORTS_32BIT_KERNEL
1199 select CPU_SUPPORTS_64BIT_KERNEL
1200 select CPU_SUPPORTS_HIGHMEM
1202 Choose this option to build a kernel for release 2 or later of the
1203 MIPS64 architecture. Many modern embedded systems with a 64-bit
1204 MIPS processor are based on a MIPS64 processor. If you know the
1205 specific type of processor in your system, choose those that one
1206 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1210 depends on SYS_HAS_CPU_R3000
1212 select CPU_SUPPORTS_32BIT_KERNEL
1213 select CPU_SUPPORTS_HIGHMEM
1215 Please make sure to pick the right CPU type. Linux/MIPS is not
1216 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1217 *not* work on R4000 machines and vice versa. However, since most
1218 of the supported machines have an R4000 (or similar) CPU, R4x00
1219 might be a safe bet. If the resulting kernel does not work,
1220 try to recompile with R3000.
1224 depends on SYS_HAS_CPU_TX39XX
1225 select CPU_SUPPORTS_32BIT_KERNEL
1229 depends on SYS_HAS_CPU_VR41XX
1230 select CPU_SUPPORTS_32BIT_KERNEL
1231 select CPU_SUPPORTS_64BIT_KERNEL
1233 The options selects support for the NEC VR4100 series of processors.
1234 Only choose this option if you have one of these processors as a
1235 kernel built with this option will not run on any other type of
1236 processor or vice versa.
1240 depends on SYS_HAS_CPU_R4300
1242 select CPU_SUPPORTS_32BIT_KERNEL
1243 select CPU_SUPPORTS_64BIT_KERNEL
1245 MIPS Technologies R4300-series processors.
1249 depends on SYS_HAS_CPU_R4X00
1251 select CPU_SUPPORTS_32BIT_KERNEL
1252 select CPU_SUPPORTS_64BIT_KERNEL
1254 MIPS Technologies R4000-series processors other than 4300, including
1255 the R4000, R4400, R4600, and 4700.
1259 depends on SYS_HAS_CPU_TX49XX
1261 select CPU_HAS_PREFETCH
1262 select CPU_SUPPORTS_32BIT_KERNEL
1263 select CPU_SUPPORTS_64BIT_KERNEL
1267 depends on SYS_HAS_CPU_R5000
1269 select CPU_SUPPORTS_32BIT_KERNEL
1270 select CPU_SUPPORTS_64BIT_KERNEL
1272 MIPS Technologies R5000-series processors other than the Nevada.
1276 depends on SYS_HAS_CPU_R5432
1278 select CPU_SUPPORTS_32BIT_KERNEL
1279 select CPU_SUPPORTS_64BIT_KERNEL
1283 depends on EXPERIMENTAL
1285 depends on SYS_HAS_CPU_R6000
1286 select CPU_SUPPORTS_32BIT_KERNEL
1288 MIPS Technologies R6000 and R6000A series processors. Note these
1289 processors are extremely rare and the support for them is incomplete.
1293 depends on SYS_HAS_CPU_NEVADA
1295 select CPU_SUPPORTS_32BIT_KERNEL
1296 select CPU_SUPPORTS_64BIT_KERNEL
1298 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1302 depends on EXPERIMENTAL
1303 depends on SYS_HAS_CPU_R8000
1305 select CPU_HAS_PREFETCH
1306 select CPU_SUPPORTS_64BIT_KERNEL
1308 MIPS Technologies R8000 processors. Note these processors are
1309 uncommon and the support for them is incomplete.
1313 depends on SYS_HAS_CPU_R10000
1315 select CPU_HAS_PREFETCH
1316 select CPU_SUPPORTS_32BIT_KERNEL
1317 select CPU_SUPPORTS_64BIT_KERNEL
1318 select CPU_SUPPORTS_HIGHMEM
1320 MIPS Technologies R10000-series processors.
1324 depends on SYS_HAS_CPU_RM7000
1326 select CPU_HAS_PREFETCH
1327 select CPU_SUPPORTS_32BIT_KERNEL
1328 select CPU_SUPPORTS_64BIT_KERNEL
1329 select CPU_SUPPORTS_HIGHMEM
1333 depends on SYS_HAS_CPU_RM9000
1335 select CPU_HAS_PREFETCH
1336 select CPU_SUPPORTS_32BIT_KERNEL
1337 select CPU_SUPPORTS_64BIT_KERNEL
1338 select CPU_SUPPORTS_HIGHMEM
1339 select WEAK_ORDERING
1343 depends on SYS_HAS_CPU_SB1
1345 select CPU_SUPPORTS_32BIT_KERNEL
1346 select CPU_SUPPORTS_64BIT_KERNEL
1347 select CPU_SUPPORTS_HIGHMEM
1348 select WEAK_ORDERING
1352 config SYS_HAS_CPU_MIPS32_R1
1355 config SYS_HAS_CPU_MIPS32_R2
1358 config SYS_HAS_CPU_MIPS64_R1
1361 config SYS_HAS_CPU_MIPS64_R2
1364 config SYS_HAS_CPU_R3000
1367 config SYS_HAS_CPU_TX39XX
1370 config SYS_HAS_CPU_VR41XX
1373 config SYS_HAS_CPU_R4300
1376 config SYS_HAS_CPU_R4X00
1379 config SYS_HAS_CPU_TX49XX
1382 config SYS_HAS_CPU_R5000
1385 config SYS_HAS_CPU_R5432
1388 config SYS_HAS_CPU_R6000
1391 config SYS_HAS_CPU_NEVADA
1394 config SYS_HAS_CPU_R8000
1397 config SYS_HAS_CPU_R10000
1400 config SYS_HAS_CPU_RM7000
1403 config SYS_HAS_CPU_RM9000
1406 config SYS_HAS_CPU_SB1
1409 config WEAK_ORDERING
1414 # These two indicate any level of the MIPS32 and MIPS64 architecture
1418 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1422 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1425 # These two indicate the revision of the architecture, either Release 1 or Release 2
1429 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1433 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1435 config SYS_SUPPORTS_32BIT_KERNEL
1437 config SYS_SUPPORTS_64BIT_KERNEL
1439 config CPU_SUPPORTS_32BIT_KERNEL
1441 config CPU_SUPPORTS_64BIT_KERNEL
1448 prompt "Kernel code model"
1450 You should only select this option if you have a workload that
1451 actually benefits from 64-bit processing or if your machine has
1452 large memory. You will only be presented a single option in this
1453 menu if your system does not support both 32-bit and 64-bit kernels.
1456 bool "32-bit kernel"
1457 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1460 Select this option if you want to build a 32-bit kernel.
1462 bool "64-bit kernel"
1463 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1465 Select this option if you want to build a 64-bit kernel.
1470 prompt "Kernel page size"
1471 default PAGE_SIZE_4KB
1473 config PAGE_SIZE_4KB
1476 This option select the standard 4kB Linux page size. On some
1477 R3000-family processors this is the only available page size. Using
1478 4kB page size will minimize memory consumption and is therefore
1479 recommended for low memory systems.
1481 config PAGE_SIZE_8KB
1483 depends on EXPERIMENTAL && CPU_R8000
1485 Using 8kB page size will result in higher performance kernel at
1486 the price of higher memory consumption. This option is available
1487 only on the R8000 processor. Not that at the time of this writing
1488 this option is still high experimental; there are also issues with
1489 compatibility of user applications.
1491 config PAGE_SIZE_16KB
1493 depends on !CPU_R3000 && !CPU_TX39XX
1495 Using 16kB page size will result in higher performance kernel at
1496 the price of higher memory consumption. This option is available on
1497 all non-R3000 family processors. Note that you will need a suitable
1498 Linux distribution to support this.
1500 config PAGE_SIZE_64KB
1502 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1504 Using 64kB page size will result in higher performance kernel at
1505 the price of higher memory consumption. This option is available on
1506 all non-R3000 family processor. Not that at the time of this
1507 writing this option is still high experimental.
1514 config IP22_CPU_SCACHE
1519 # Support for a MIPS32 / MIPS64 style S-caches
1521 config MIPS_CPU_SCACHE
1525 config R5000_CPU_SCACHE
1529 config RM7000_CPU_SCACHE
1533 config SIBYTE_DMA_PAGEOPS
1534 bool "Use DMA to clear/copy pages"
1537 Instead of using the CPU to zero and copy pages, use a Data Mover
1538 channel. These DMA channels are otherwise unused by the standard
1539 SiByte Linux port. Seems to give a small performance benefit.
1541 config CPU_HAS_PREFETCH
1545 prompt "MIPS MT options"
1547 config MIPS_MT_DISABLED
1548 bool "Disable multithreading support."
1550 Use this option if your workload can't take advantage of
1551 MIPS hardware multithreading support. On systems that don't have
1552 the option of an MT-enabled processor this option will be the only
1553 option in this menu.
1556 bool "Use 1 TC on each available VPE for SMP"
1557 depends on SYS_SUPPORTS_MULTITHREADING
1558 select CPU_MIPSR2_IRQ_VI
1559 select CPU_MIPSR2_SRS
1561 select NR_CPUS_DEFAULT_2
1563 select SYS_SUPPORTS_SMP
1565 This is a kernel model which is also known a VSMP or lately
1566 has been marketesed into SMVP.
1569 bool "SMTC: Use all TCs on all VPEs for SMP"
1570 depends on CPU_MIPS32_R2
1571 #depends on CPU_MIPS64_R2 # once there is hardware ...
1572 depends on SYS_SUPPORTS_MULTITHREADING
1573 select CPU_MIPSR2_IRQ_VI
1574 select CPU_MIPSR2_SRS
1576 select NR_CPUS_DEFAULT_8
1578 select SYS_SUPPORTS_SMP
1580 This is a kernel model which is known a SMTC or lately has been
1581 marketesed into SMVP.
1583 config MIPS_VPE_LOADER
1584 bool "VPE loader support."
1585 depends on SYS_SUPPORTS_MULTITHREADING
1588 Includes a loader for loading an elf relocatable object
1589 onto another VPE and running it.
1596 config SYS_SUPPORTS_MULTITHREADING
1599 config MIPS_MT_FPAFF
1600 bool "Dynamic FPU affinity for FP-intensive threads"
1604 config MIPS_MT_SMTC_INSTANT_REPLAY
1605 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1606 depends on MIPS_MT_SMTC && !PREEMPT
1609 SMTC pseudo-interrupts between TCs are deferred and queued
1610 if the target TC is interrupt-inhibited (IXMT). In the first
1611 SMTC prototypes, these queued IPIs were serviced on return
1612 to user mode, or on entry into the kernel idle loop. The
1613 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1614 processing, which adds runtime overhead (hence the option to turn
1615 it off), but ensures that IPIs are handled promptly even under
1616 heavy I/O interrupt load.
1618 config MIPS_VPE_LOADER_TOM
1619 bool "Load VPE program into memory hidden from linux"
1620 depends on MIPS_VPE_LOADER
1623 The loader can use memory that is present but has been hidden from
1624 Linux using the kernel command line option "mem=xxMB". It's up to
1625 you to ensure the amount you put in the option and the space your
1626 program requires is less or equal to the amount physically present.
1628 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1629 config MIPS_VPE_APSP_API
1630 bool "Enable support for AP/SP API (RTLX)"
1631 depends on MIPS_VPE_LOADER
1634 config MIPS_APSP_KSPD
1636 depends on MIPS_VPE_APSP_API
1639 KSPD is a kernel daemon that accepts syscall requests from the SP
1640 side, actions them and returns the results. It also handles the
1641 "exit" syscall notifying other kernel modules the SP program is
1642 exiting. You probably want to say yes here.
1644 config SB1_PASS_1_WORKAROUNDS
1646 depends on CPU_SB1_PASS_1
1649 config SB1_PASS_2_WORKAROUNDS
1651 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1654 config SB1_PASS_2_1_WORKAROUNDS
1656 depends on CPU_SB1 && CPU_SB1_PASS_2
1659 config 64BIT_PHYS_ADDR
1660 bool "Support for 64-bit physical address space"
1661 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1666 config CPU_HAS_SMARTMIPS
1667 depends on SYS_SUPPORTS_SMARTMIPS
1668 bool "Support for the SmartMIPS ASE"
1670 SmartMIPS is a extension of the MIPS32 architecture aimed at
1671 increased security at both hardware and software level for
1672 smartcards. Enabling this option will allow proper use of the
1673 SmartMIPS instructions by Linux applications. However a kernel with
1674 this option will not work on a MIPS core without SmartMIPS core. If
1675 you don't know you probably don't have SmartMIPS and should say N
1682 # Vectored interrupt mode is an R2 feature
1684 config CPU_MIPSR2_IRQ_VI
1688 # Extended interrupt mode is an R2 feature
1690 config CPU_MIPSR2_IRQ_EI
1694 # Shadow registers are an R2 feature
1696 config CPU_MIPSR2_SRS
1701 depends on !CPU_R3000
1705 # Use the generic interrupt handling code in kernel/irq/:
1707 config GENERIC_HARDIRQS
1711 config GENERIC_IRQ_PROBE
1719 # - Highmem only makes sense for the 32-bit kernel.
1720 # - The current highmem code will only work properly on physically indexed
1721 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1722 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1723 # moment we protect the user and offer the highmem option only on machines
1724 # where it's known to be safe. This will not offer highmem on a few systems
1725 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1726 # indexed CPUs but we're playing safe.
1727 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1728 # know they might have memory configurations that could make use of highmem
1732 bool "High Memory Support"
1733 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1735 config CPU_SUPPORTS_HIGHMEM
1738 config SYS_SUPPORTS_HIGHMEM
1741 config SYS_SUPPORTS_SMARTMIPS
1744 config ARCH_FLATMEM_ENABLE
1748 config ARCH_DISCONTIGMEM_ENABLE
1750 default y if SGI_IP27
1752 Say Y to upport efficient handling of discontiguous physical memory,
1753 for architectures which are either NUMA (Non-Uniform Memory Access)
1754 or have huge holes in the physical address space for other reasons.
1755 See <file:Documentation/vm/numa> for more.
1757 config ARCH_SPARSEMEM_ENABLE
1759 select SPARSEMEM_STATIC
1763 depends on SYS_SUPPORTS_NUMA
1765 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1766 Access). This option improves performance on systems with more
1767 than two nodes; on two node systems it is generally better to
1768 leave it disabled; on single node systems disable this option
1771 config SYS_SUPPORTS_NUMA
1777 depends on NEED_MULTIPLE_NODES
1782 bool "Multi-Processing support"
1783 depends on SYS_SUPPORTS_SMP
1786 This enables support for systems with more than one CPU. If you have
1787 a system with only one CPU, like most personal computers, say N. If
1788 you have a system with more than one CPU, say Y.
1790 If you say N here, the kernel will run on single and multiprocessor
1791 machines, but will use only one CPU of a multiprocessor machine. If
1792 you say Y here, the kernel will run on many, but not all,
1793 singleprocessor machines. On a singleprocessor machine, the kernel
1794 will run faster if you say N here.
1796 People using multiprocessor machines who say Y here should also say
1797 Y to "Enhanced Real Time Clock Support", below.
1799 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1800 available at <http://www.tldp.org/docs.html#howto>.
1802 If you don't know what to do here, say N.
1804 config SYS_SUPPORTS_SMP
1807 config NR_CPUS_DEFAULT_1
1810 config NR_CPUS_DEFAULT_2
1813 config NR_CPUS_DEFAULT_4
1816 config NR_CPUS_DEFAULT_8
1819 config NR_CPUS_DEFAULT_16
1822 config NR_CPUS_DEFAULT_32
1825 config NR_CPUS_DEFAULT_64
1829 int "Maximum number of CPUs (2-64)"
1830 range 1 64 if NR_CPUS_DEFAULT_1
1832 default "1" if NR_CPUS_DEFAULT_1
1833 default "2" if NR_CPUS_DEFAULT_2
1834 default "4" if NR_CPUS_DEFAULT_4
1835 default "8" if NR_CPUS_DEFAULT_8
1836 default "16" if NR_CPUS_DEFAULT_16
1837 default "32" if NR_CPUS_DEFAULT_32
1838 default "64" if NR_CPUS_DEFAULT_64
1840 This allows you to specify the maximum number of CPUs which this
1841 kernel will support. The maximum supported value is 32 for 32-bit
1842 kernel and 64 for 64-bit kernels; the minimum value which makes
1843 sense is 1 for Qemu (useful only for kernel debugging purposes)
1844 and 2 for all others.
1846 This is purely to save memory - each supported CPU adds
1847 approximately eight kilobytes to the kernel image. For best
1848 performance should round up your number of processors to the next
1852 # Timer Interrupt Frequency Configuration
1856 prompt "Timer frequency"
1859 Allows the configuration of the timer frequency.
1862 bool "48 HZ" if SYS_SUPPORTS_48HZ
1865 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1868 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1871 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1874 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1877 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1880 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1884 config SYS_SUPPORTS_48HZ
1887 config SYS_SUPPORTS_100HZ
1890 config SYS_SUPPORTS_128HZ
1893 config SYS_SUPPORTS_250HZ
1896 config SYS_SUPPORTS_256HZ
1899 config SYS_SUPPORTS_1000HZ
1902 config SYS_SUPPORTS_1024HZ
1905 config SYS_SUPPORTS_ARBIT_HZ
1907 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1908 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1909 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1910 !SYS_SUPPORTS_1024HZ
1915 default 100 if HZ_100
1916 default 128 if HZ_128
1917 default 250 if HZ_250
1918 default 256 if HZ_256
1919 default 1000 if HZ_1000
1920 default 1024 if HZ_1024
1922 source "kernel/Kconfig.preempt"
1924 config MIPS_INSANE_LARGE
1925 bool "Support for large 64-bit configurations"
1926 depends on CPU_R10000 && 64BIT
1928 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1929 previous 64-bit processors which only supported 40 bit / 1TB. If you
1930 need processes of more than 1TB virtual address space, say Y here.
1931 This will result in additional memory usage, so it is not
1932 recommended for normal users.
1935 bool "Kexec system call (EXPERIMENTAL)"
1936 depends on EXPERIMENTAL
1938 kexec is a system call that implements the ability to shutdown your
1939 current kernel, and to start another kernel. It is like a reboot
1940 but it is indepedent of the system firmware. And like a reboot
1941 you can start any kernel with it, not just Linux.
1943 The name comes from the similiarity to the exec system call.
1945 It is an ongoing process to be certain the hardware in a machine
1946 is properly shutdown, so do not be surprised if this code does not
1947 initially work for you. It may help to enable device hotplugging
1948 support. As of this writing the exact hardware interface is
1949 strongly in flux, so no good recommendation can be made.
1952 bool "Enable seccomp to safely compute untrusted bytecode"
1953 depends on PROC_FS && BROKEN
1956 This kernel feature is useful for number crunching applications
1957 that may need to compute untrusted bytecode during their
1958 execution. By using pipes or other transports made available to
1959 the process as file descriptors supporting the read/write
1960 syscalls, it's possible to isolate those applications in
1961 their own address space using seccomp. Once seccomp is
1962 enabled via /proc/<pid>/seccomp, it cannot be disabled
1963 and the task is only allowed to execute a few safe syscalls
1964 defined by each seccomp mode.
1966 If unsure, say Y. Only embedded should say N here.
1970 config RWSEM_GENERIC_SPINLOCK
1974 config LOCKDEP_SUPPORT
1978 config STACKTRACE_SUPPORT
1982 source "init/Kconfig"
1984 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1992 bool "Support for PCI controller"
1993 depends on HW_HAS_PCI
1995 Find out whether you have a PCI motherboard. PCI is the name of a
1996 bus system, i.e. the way the CPU talks to the other stuff inside
1997 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2000 The PCI-HOWTO, available from
2001 <http://www.tldp.org/docs.html#howto>, contains valuable
2002 information about which PCI hardware does work under Linux and which
2009 source "drivers/pci/Kconfig"
2012 # ISA support is now enabled via select. Too many systems still have the one
2013 # or other ISA chip on the board that users don't know about so don't expect
2014 # users to choose the right thing ...
2021 depends on HW_HAS_EISA
2023 select GENERIC_ISA_DMA
2025 The Extended Industry Standard Architecture (EISA) bus was
2026 developed as an open alternative to the IBM MicroChannel bus.
2028 The EISA bus provided some of the features of the IBM MicroChannel
2029 bus while maintaining backward compatibility with cards made for
2030 the older ISA bus. The EISA bus saw limited use between 1988 and
2031 1995 when it was made obsolete by the PCI bus.
2033 Say Y here if you are building a kernel for an EISA-based machine.
2037 source "drivers/eisa/Kconfig"
2040 bool "TURBOchannel support"
2041 depends on MACH_DECSTATION
2043 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2044 processors. Documentation on writing device drivers for TurboChannel
2046 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2049 # bool "Access.Bus support"
2059 source "drivers/pcmcia/Kconfig"
2061 source "drivers/pci/hotplug/Kconfig"
2065 menu "Executable file formats"
2067 source "fs/Kconfig.binfmt"
2073 bool "Use 64-bit ELF format for building"
2076 A 64-bit kernel is usually built using the 64-bit ELF binary object
2077 format as it's one that allows arbitrary 64-bit constructs. For
2078 kernels that are loaded within the KSEG compatibility segments the
2079 32-bit ELF format can optionally be used resulting in a somewhat
2080 smaller binary, but this option is not explicitly supported by the
2081 toolchain and since binutils 2.14 it does not even work at all.
2083 Say Y to use the 64-bit format or N to use the 32-bit one.
2088 bool "Include IRIX binary compatibility"
2089 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
2091 config MIPS32_COMPAT
2092 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2095 Select this option if you want Linux/MIPS 32-bit binary
2096 compatibility. Since all software available for Linux/MIPS is
2097 currently 32-bit you should say Y here.
2101 depends on MIPS32_COMPAT
2104 config SYSVIPC_COMPAT
2106 depends on COMPAT && SYSVIPC
2110 bool "Kernel support for o32 binaries"
2111 depends on MIPS32_COMPAT
2113 Select this option if you want to run o32 binaries. These are pure
2114 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2115 existing binaries are in this format.
2120 bool "Kernel support for n32 binaries"
2121 depends on MIPS32_COMPAT
2123 Select this option if you want to run n32 binaries. These are
2124 64-bit binaries using 32-bit quantities for addressing and certain
2125 data that would normally be 64-bit. They are used in special
2132 default y if MIPS32_O32 || MIPS32_N32
2136 menu "Power management options"
2138 source "kernel/power/Kconfig"
2142 source "net/Kconfig"
2144 source "drivers/Kconfig"
2148 source "arch/mips/oprofile/Kconfig"
2150 source "arch/mips/Kconfig.debug"
2152 source "security/Kconfig"
2154 source "crypto/Kconfig"
2156 source "lib/Kconfig"