4 # Horrible source of confusion. Die, die, die ...
7 mainmenu "Linux/MIPS Kernel Configuration"
9 menu "Machine selection"
19 bool "4G Systems MTX-1 board"
20 select DMA_NONCOHERENT
22 select RESOURCES_64BIT if PCI
24 select SYS_HAS_CPU_MIPS32_R1
25 select SYS_SUPPORTS_LITTLE_ENDIAN
28 bool "AMD Alchemy Bosporus board"
30 select DMA_NONCOHERENT
31 select SYS_HAS_CPU_MIPS32_R1
32 select SYS_SUPPORTS_LITTLE_ENDIAN
35 bool "AMD Alchemy PB1000 board"
37 select DMA_NONCOHERENT
39 select RESOURCES_64BIT if PCI
41 select SYS_HAS_CPU_MIPS32_R1
42 select SYS_SUPPORTS_LITTLE_ENDIAN
45 bool "AMD Alchemy PB1100 board"
47 select DMA_NONCOHERENT
49 select RESOURCES_64BIT if PCI
51 select SYS_HAS_CPU_MIPS32_R1
52 select SYS_SUPPORTS_LITTLE_ENDIAN
55 bool "AMD Alchemy PB1500 board"
57 select DMA_NONCOHERENT
59 select RESOURCES_64BIT if PCI
60 select SYS_HAS_CPU_MIPS32_R1
61 select SYS_SUPPORTS_LITTLE_ENDIAN
64 bool "AMD Alchemy PB1550 board"
66 select DMA_NONCOHERENT
68 select MIPS_DISABLE_OBSOLETE_IDE
69 select RESOURCES_64BIT if PCI
70 select SYS_HAS_CPU_MIPS32_R1
71 select SYS_SUPPORTS_LITTLE_ENDIAN
74 bool "AMD Alchemy PB1200 board"
76 select DMA_NONCOHERENT
77 select MIPS_DISABLE_OBSOLETE_IDE
78 select RESOURCES_64BIT if PCI
79 select SYS_HAS_CPU_MIPS32_R1
80 select SYS_SUPPORTS_LITTLE_ENDIAN
83 bool "AMD Alchemy DB1000 board"
85 select DMA_NONCOHERENT
87 select RESOURCES_64BIT if PCI
88 select SYS_HAS_CPU_MIPS32_R1
89 select SYS_SUPPORTS_LITTLE_ENDIAN
92 bool "AMD Alchemy DB1100 board"
94 select DMA_NONCOHERENT
95 select SYS_HAS_CPU_MIPS32_R1
96 select SYS_SUPPORTS_LITTLE_ENDIAN
99 bool "AMD Alchemy DB1500 board"
101 select DMA_NONCOHERENT
103 select MIPS_DISABLE_OBSOLETE_IDE
104 select RESOURCES_64BIT if PCI
105 select SYS_HAS_CPU_MIPS32_R1
106 select SYS_SUPPORTS_BIG_ENDIAN
107 select SYS_SUPPORTS_LITTLE_ENDIAN
110 bool "AMD Alchemy DB1550 board"
113 select DMA_NONCOHERENT
114 select MIPS_DISABLE_OBSOLETE_IDE
115 select RESOURCES_64BIT if PCI
116 select SYS_HAS_CPU_MIPS32_R1
117 select SYS_SUPPORTS_LITTLE_ENDIAN
120 bool "AMD Alchemy DB1200 board"
123 select MIPS_DISABLE_OBSOLETE_IDE
124 select SYS_HAS_CPU_MIPS32_R1
125 select SYS_SUPPORTS_LITTLE_ENDIAN
128 bool "AMD Alchemy Mirage board"
129 select DMA_NONCOHERENT
131 select SYS_HAS_CPU_MIPS32_R1
132 select SYS_SUPPORTS_LITTLE_ENDIAN
135 bool "Basler eXcite smart camera"
142 select SYS_HAS_CPU_RM9000
143 select SYS_SUPPORTS_32BIT_KERNEL
144 select SYS_SUPPORTS_64BIT_KERNEL
145 select SYS_SUPPORTS_BIG_ENDIAN
146 select SYS_SUPPORTS_KGDB
148 The eXcite is a smart camera platform manufactured by
149 Basler Vision Technologies AG.
151 config BASLER_EXCITE_PROTOTYPE
152 bool "Support for pre-release units"
153 depends on BASLER_EXCITE
156 Pre-series (prototype) units are different from later ones in
157 some ways. Select this option if you have one of these. Please
158 note that a kernel built with this option selected will not be
159 able to run on normal units.
163 select DMA_NONCOHERENT
167 select PCI_GT64XXX_PCI0
168 select SYS_HAS_CPU_NEVADA
169 select SYS_HAS_EARLY_PRINTK
170 select SYS_SUPPORTS_32BIT_KERNEL
171 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
172 select SYS_SUPPORTS_LITTLE_ENDIAN
173 select GENERIC_HARDIRQS_NO__DO_IRQ
175 config MACH_DECSTATION
178 select DMA_NONCOHERENT
179 select SYS_HAS_EARLY_PRINTK
181 select SYS_HAS_CPU_R3000
182 select SYS_HAS_CPU_R4X00
183 select SYS_SUPPORTS_32BIT_KERNEL
184 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
185 select SYS_SUPPORTS_LITTLE_ENDIAN
186 select SYS_SUPPORTS_128HZ
187 select SYS_SUPPORTS_256HZ
188 select SYS_SUPPORTS_1024HZ
190 This enables support for DEC's MIPS based workstations. For details
191 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
192 DECstation porting pages on <http://decstation.unix-ag.org/>.
194 If you have one of the following DECstation Models you definitely
195 want to choose R4xx0 for the CPU Type:
202 otherwise choose R3000.
205 bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
206 depends on EXPERIMENTAL
207 select DMA_NONCOHERENT
209 select PCI_GT64XXX_PCI0
210 select SYS_HAS_CPU_R5000
211 select SYS_SUPPORTS_32BIT_KERNEL
212 select SYS_SUPPORTS_64BIT_KERNEL
213 select SYS_SUPPORTS_BIG_ENDIAN
214 select SYS_SUPPORTS_KGDB
216 This is an evaluation board based on the Galileo GT-64120
217 single-chip system controller that contains a MIPS R5000 compatible
218 core running at 75/100MHz. Their website is located at
219 <http://www.marvell.com/>. Say Y here if you wish to build a
220 kernel for this platform.
223 bool "Jazz family of machines"
226 select ARCH_MAY_HAVE_PC_FDC
227 select GENERIC_ISA_DMA
231 select SYS_HAS_CPU_R4X00
232 select SYS_SUPPORTS_32BIT_KERNEL
233 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
234 select SYS_SUPPORTS_100HZ
235 select GENERIC_HARDIRQS_NO__DO_IRQ
237 This a family of machines based on the MIPS R4030 chipset which was
238 used by several vendors to build RISC/os and Windows NT workstations.
239 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
240 Olivetti M700-10 workstations.
243 bool "LASAT Networks platforms"
244 select DMA_NONCOHERENT
245 select SYS_HAS_EARLY_PRINTK
247 select PCI_GT64XXX_PCI0
249 select R5000_CPU_SCACHE
250 select SYS_HAS_CPU_R5000
251 select SYS_SUPPORTS_32BIT_KERNEL
252 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
253 select SYS_SUPPORTS_LITTLE_ENDIAN
254 select GENERIC_HARDIRQS_NO__DO_IRQ
257 bool "MIPS Atlas board"
259 select DMA_NONCOHERENT
260 select SYS_HAS_EARLY_PRINTK
263 select MIPS_BOARDS_GEN
265 select PCI_GT64XXX_PCI0
267 select RM7000_CPU_SCACHE
269 select SYS_HAS_CPU_MIPS32_R1
270 select SYS_HAS_CPU_MIPS32_R2
271 select SYS_HAS_CPU_MIPS64_R1
272 select SYS_HAS_CPU_NEVADA
273 select SYS_HAS_CPU_RM7000
274 select SYS_SUPPORTS_32BIT_KERNEL
275 select SYS_SUPPORTS_64BIT_KERNEL
276 select SYS_SUPPORTS_BIG_ENDIAN
277 select SYS_SUPPORTS_LITTLE_ENDIAN
278 select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
279 select SYS_SUPPORTS_SMARTMIPS
280 select GENERIC_HARDIRQS_NO__DO_IRQ
282 This enables support for the MIPS Technologies Atlas evaluation
286 bool "MIPS Malta board"
287 select ARCH_MAY_HAVE_PC_FDC
289 select HAVE_STD_PC_SERIAL_PORT
290 select DMA_NONCOHERENT
291 select GENERIC_ISA_DMA
295 select MIPS_BOARDS_GEN
297 select MIPS_CPU_SCACHE
298 select PCI_GT64XXX_PCI0
301 select SYS_HAS_CPU_MIPS32_R1
302 select SYS_HAS_CPU_MIPS32_R2
303 select SYS_HAS_CPU_MIPS64_R1
304 select SYS_HAS_CPU_NEVADA
305 select SYS_HAS_CPU_RM7000
306 select SYS_HAS_EARLY_PRINTK
307 select SYS_SUPPORTS_32BIT_KERNEL
308 select SYS_SUPPORTS_64BIT_KERNEL
309 select SYS_SUPPORTS_BIG_ENDIAN
310 select SYS_SUPPORTS_LITTLE_ENDIAN
311 select SYS_SUPPORTS_MULTITHREADING
312 select SYS_SUPPORTS_SMARTMIPS
314 This enables support for the MIPS Technologies Malta evaluation
318 bool "MIPS SEAD board (EXPERIMENTAL)"
319 depends on EXPERIMENTAL
321 select DMA_NONCOHERENT
322 select SYS_HAS_EARLY_PRINTK
323 select MIPS_BOARDS_GEN
324 select SYS_HAS_CPU_MIPS32_R1
325 select SYS_HAS_CPU_MIPS32_R2
326 select SYS_HAS_CPU_MIPS64_R1
327 select SYS_SUPPORTS_32BIT_KERNEL
328 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
329 select SYS_SUPPORTS_BIG_ENDIAN
330 select SYS_SUPPORTS_LITTLE_ENDIAN
331 select SYS_SUPPORTS_SMARTMIPS
333 This enables support for the MIPS Technologies SEAD evaluation
337 bool "Wind River PPMC board"
340 select DMA_NONCOHERENT
342 select PCI_GT64XXX_PCI0
344 select SYS_HAS_CPU_MIPS32_R1
345 select SYS_HAS_CPU_MIPS32_R2
346 select SYS_HAS_CPU_MIPS64_R1
347 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_CPU_RM7000
349 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_BIG_ENDIAN
352 select SYS_SUPPORTS_LITTLE_ENDIAN
354 This enables support for the Wind River MIPS32 4KC PPMC evaluation
355 board, which is based on GT64120 bridge chip.
358 bool 'MIPS simulator (MIPSsim)'
359 select DMA_NONCOHERENT
360 select SYS_HAS_EARLY_PRINTK
362 select SYS_HAS_CPU_MIPS32_R1
363 select SYS_HAS_CPU_MIPS32_R2
364 select SYS_HAS_EARLY_PRINTK
365 select SYS_SUPPORTS_32BIT_KERNEL
366 select SYS_SUPPORTS_BIG_ENDIAN
367 select SYS_SUPPORTS_LITTLE_ENDIAN
369 This option enables support for MIPS Technologies MIPSsim software
372 config MOMENCO_JAGUAR_ATX
373 bool "Momentum Jaguar board"
375 select DMA_NONCOHERENT
382 select RM7000_CPU_SCACHE
384 select SYS_HAS_CPU_RM9000
385 select SYS_HAS_EARLY_PRINTK
386 select SYS_SUPPORTS_32BIT_KERNEL
387 select SYS_SUPPORTS_64BIT_KERNEL
388 select SYS_SUPPORTS_BIG_ENDIAN
389 select SYS_SUPPORTS_KGDB
391 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
392 Momentum Computer <http://www.momenco.com/>.
394 config MOMENCO_OCELOT
395 bool "Momentum Ocelot board"
396 select DMA_NONCOHERENT
400 select PCI_GT64XXX_PCI0
401 select RM7000_CPU_SCACHE
403 select SYS_HAS_CPU_RM7000
404 select SYS_SUPPORTS_32BIT_KERNEL
405 select SYS_SUPPORTS_64BIT_KERNEL
406 select SYS_SUPPORTS_BIG_ENDIAN
407 select SYS_SUPPORTS_KGDB
409 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
410 Momentum Computer <http://www.momenco.com/>.
412 config MOMENCO_OCELOT_3
413 bool "Momentum Ocelot-3 board"
415 select DMA_NONCOHERENT
421 select RM7000_CPU_SCACHE
423 select SYS_HAS_CPU_RM9000
424 select SYS_SUPPORTS_32BIT_KERNEL
425 select SYS_SUPPORTS_64BIT_KERNEL
426 select SYS_SUPPORTS_BIG_ENDIAN
428 The Ocelot-3 is based off Discovery III System Controller and
429 PMC-Sierra Rm79000 core.
431 config MOMENCO_OCELOT_C
432 bool "Momentum Ocelot-C board"
433 select DMA_NONCOHERENT
438 select RM7000_CPU_SCACHE
440 select SYS_HAS_CPU_RM7000
441 select SYS_SUPPORTS_32BIT_KERNEL
442 select SYS_SUPPORTS_64BIT_KERNEL
443 select SYS_SUPPORTS_BIG_ENDIAN
444 select GENERIC_HARDIRQS_NO__DO_IRQ
446 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
447 Momentum Computer <http://www.momenco.com/>.
449 config MOMENCO_OCELOT_G
450 bool "Momentum Ocelot-G board"
451 select DMA_NONCOHERENT
456 select RM7000_CPU_SCACHE
458 select SYS_HAS_CPU_RM7000
459 select SYS_SUPPORTS_32BIT_KERNEL
460 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
461 select SYS_SUPPORTS_BIG_ENDIAN
463 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
464 Momentum Computer <http://www.momenco.com/>.
467 bool "MyCable XXS1500 board"
468 select DMA_NONCOHERENT
470 select SYS_SUPPORTS_LITTLE_ENDIAN
473 bool "Philips PNX8550 based JBS board"
475 select SYS_SUPPORTS_LITTLE_ENDIAN
477 config PNX8550_STB810
478 bool "Support for Philips PNX8550 based STB810 board"
480 select SYS_SUPPORTS_LITTLE_ENDIAN
483 bool "NEC DDB Vrc-5477"
484 select DDB5XXX_COMMON
485 select DMA_NONCOHERENT
489 select SYS_HAS_CPU_R5432
490 select SYS_SUPPORTS_32BIT_KERNEL
491 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
492 select SYS_SUPPORTS_KGDB
493 select SYS_SUPPORTS_KGDB
494 select SYS_SUPPORTS_LITTLE_ENDIAN
496 This enables support for the R5432-based NEC DDB Vrc-5477,
497 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
499 Features : kernel debugging, serial terminal, NFS root fs, on-board
500 ether port USB, AC97, PCI, etc.
503 bool "NEC VR4100 series based machines"
504 select SYS_HAS_CPU_VR41XX
505 select GENERIC_HARDIRQS_NO__DO_IRQ
508 bool "PMC-Sierra Yosemite eval board"
515 select SYS_HAS_CPU_RM9000
516 select SYS_HAS_EARLY_PRINTK
517 select SYS_SUPPORTS_32BIT_KERNEL
518 select SYS_SUPPORTS_64BIT_KERNEL
519 select SYS_SUPPORTS_BIG_ENDIAN
520 select SYS_SUPPORTS_HIGHMEM
521 select SYS_SUPPORTS_KGDB
522 select SYS_SUPPORTS_SMP
524 Yosemite is an evaluation board for the RM9000x2 processor
525 manufactured by PMC-Sierra.
530 select GENERIC_ISA_DMA
531 select HAVE_STD_PC_SERIAL_PORT
536 select SYS_HAS_CPU_MIPS32_R1
537 select SYS_SUPPORTS_32BIT_KERNEL
538 select SYS_SUPPORTS_BIG_ENDIAN
539 select SYS_SUPPORTS_LITTLE_ENDIAN
540 select ARCH_SPARSEMEM_ENABLE
541 select GENERIC_HARDIRQS_NO__DO_IRQ
542 select NR_CPUS_DEFAULT_1
543 select SYS_SUPPORTS_SMP
545 Qemu is a software emulator which among other architectures also
546 can simulate a MIPS32 4Kc system. This patch adds support for the
547 system architecture that currently is being simulated by Qemu. It
548 will eventually be removed again when Qemu has the capability to
549 simulate actual MIPS hardware platforms. More information on Qemu
550 can be found at http://www.linux-mips.org/wiki/Qemu.
553 bool "Support for NEC EMMA2RH Mark-eins"
554 select DMA_NONCOHERENT
558 select SYS_SUPPORTS_32BIT_KERNEL
559 select SYS_SUPPORTS_BIG_ENDIAN
560 select SYS_SUPPORTS_LITTLE_ENDIAN
561 select SYS_HAS_CPU_R5000
563 This enables support for the R5432-based NEC Mark-eins
564 boards with R5500 CPU.
567 bool "SGI IP22 (Indy/Indigo2)"
571 select DMA_NONCOHERENT
573 select IP22_CPU_SCACHE
575 select GENERIC_ISA_DMA_SUPPORT_BROKEN
577 select SYS_HAS_CPU_R4X00
578 select SYS_HAS_CPU_R5000
579 select SYS_HAS_EARLY_PRINTK
580 select SYS_SUPPORTS_32BIT_KERNEL
581 select SYS_SUPPORTS_64BIT_KERNEL
582 select SYS_SUPPORTS_BIG_ENDIAN
584 This are the SGI Indy, Challenge S and Indigo2, as well as certain
585 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
586 that runs on these, say Y here.
589 bool "SGI IP27 (Origin200/2000)"
594 select SYS_HAS_EARLY_PRINTK
596 select NR_CPUS_DEFAULT_64
598 select SYS_HAS_CPU_R10000
599 select SYS_SUPPORTS_64BIT_KERNEL
600 select SYS_SUPPORTS_BIG_ENDIAN
601 select SYS_SUPPORTS_KGDB
602 select SYS_SUPPORTS_NUMA
603 select SYS_SUPPORTS_SMP
604 select GENERIC_HARDIRQS_NO__DO_IRQ
606 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
607 workstations. To compile a Linux kernel that runs on these, say Y
611 bool "SGI IP32 (O2) (EXPERIMENTAL)"
612 depends on EXPERIMENTAL
616 select DMA_NONCOHERENT
618 select R5000_CPU_SCACHE
619 select RM7000_CPU_SCACHE
620 select SYS_HAS_CPU_R5000
621 select SYS_HAS_CPU_R10000 if BROKEN
622 select SYS_HAS_CPU_RM7000
623 select SYS_HAS_CPU_NEVADA
624 select SYS_SUPPORTS_64BIT_KERNEL
625 select SYS_SUPPORTS_BIG_ENDIAN
627 If you want this kernel to run on SGI O2 workstation, say Y here.
630 bool "Sibyte BCM91480B-BigSur"
633 select NR_CPUS_DEFAULT_4
635 select SIBYTE_BCM1x80
637 select SYS_HAS_CPU_SB1
638 select SYS_SUPPORTS_BIG_ENDIAN
639 select SYS_SUPPORTS_LITTLE_ENDIAN
642 bool "Sibyte BCM91250A-SWARM"
645 select NR_CPUS_DEFAULT_2
648 select SYS_HAS_CPU_SB1
649 select SYS_SUPPORTS_BIG_ENDIAN
650 select SYS_SUPPORTS_HIGHMEM
651 select SYS_SUPPORTS_KGDB
652 select SYS_SUPPORTS_LITTLE_ENDIAN
654 config SIBYTE_SENTOSA
655 bool "Sibyte BCM91250E-Sentosa"
656 depends on EXPERIMENTAL
659 select NR_CPUS_DEFAULT_2
662 select SYS_HAS_CPU_SB1
663 select SYS_SUPPORTS_BIG_ENDIAN
664 select SYS_SUPPORTS_LITTLE_ENDIAN
667 bool "Sibyte BCM91125E-Rhone"
668 depends on EXPERIMENTAL
671 select SIBYTE_BCM1125H
673 select SYS_HAS_CPU_SB1
674 select SYS_SUPPORTS_BIG_ENDIAN
675 select SYS_SUPPORTS_LITTLE_ENDIAN
678 bool "Sibyte BCM91120x-Carmel"
679 depends on EXPERIMENTAL
682 select SIBYTE_BCM1120
684 select SYS_HAS_CPU_SB1
685 select SYS_SUPPORTS_BIG_ENDIAN
686 select SYS_SUPPORTS_LITTLE_ENDIAN
688 config SIBYTE_PTSWARM
689 bool "Sibyte BCM91250PT-PTSWARM"
690 depends on EXPERIMENTAL
693 select NR_CPUS_DEFAULT_2
696 select SYS_HAS_CPU_SB1
697 select SYS_SUPPORTS_BIG_ENDIAN
698 select SYS_SUPPORTS_HIGHMEM
699 select SYS_SUPPORTS_LITTLE_ENDIAN
701 config SIBYTE_LITTLESUR
702 bool "Sibyte BCM91250C2-LittleSur"
703 depends on EXPERIMENTAL
706 select NR_CPUS_DEFAULT_2
709 select SYS_HAS_CPU_SB1
710 select SYS_SUPPORTS_BIG_ENDIAN
711 select SYS_SUPPORTS_HIGHMEM
712 select SYS_SUPPORTS_LITTLE_ENDIAN
715 bool "Sibyte BCM91120C-CRhine"
716 depends on EXPERIMENTAL
719 select SIBYTE_BCM1120
721 select SYS_HAS_CPU_SB1
722 select SYS_SUPPORTS_BIG_ENDIAN
723 select SYS_SUPPORTS_LITTLE_ENDIAN
726 bool "Sibyte BCM91125C-CRhone"
727 depends on EXPERIMENTAL
730 select SIBYTE_BCM1125
732 select SYS_HAS_CPU_SB1
733 select SYS_SUPPORTS_BIG_ENDIAN
734 select SYS_SUPPORTS_HIGHMEM
735 select SYS_SUPPORTS_LITTLE_ENDIAN
738 bool "SNI RM200/300/400"
739 select ARC if CPU_LITTLE_ENDIAN
740 select ARC32 if CPU_LITTLE_ENDIAN
741 select ARCH_MAY_HAVE_PC_FDC
743 select DMA_NONCOHERENT
744 select GENERIC_ISA_DMA
751 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
752 select SYS_HAS_CPU_R4X00
753 select SYS_HAS_CPU_R5000
754 select SYS_HAS_CPU_R10000
755 select R5000_CPU_SCACHE
756 select SYS_HAS_EARLY_PRINTK
757 select SYS_SUPPORTS_32BIT_KERNEL
758 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
759 select SYS_SUPPORTS_BIG_ENDIAN
760 select SYS_SUPPORTS_HIGHMEM
761 select SYS_SUPPORTS_LITTLE_ENDIAN
763 The SNI RM200/300/400 are MIPS-based machines manufactured by
764 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
765 Technology and now in turn merged with Fujitsu. Say Y here to
766 support this machine type.
768 config TOSHIBA_JMR3927
769 bool "Toshiba JMR-TX3927 board"
770 select DMA_NONCOHERENT
774 select SYS_HAS_CPU_TX39XX
775 select SYS_SUPPORTS_32BIT_KERNEL
776 select SYS_SUPPORTS_LITTLE_ENDIAN
777 select SYS_SUPPORTS_BIG_ENDIAN
778 select TOSHIBA_BOARDS
779 select GENERIC_HARDIRQS_NO__DO_IRQ
781 config TOSHIBA_RBTX4927
782 bool "Toshiba TBTX49[23]7 board"
783 select DMA_NONCOHERENT
784 select HAS_TXX9_SERIAL
789 select SYS_HAS_CPU_TX49XX
790 select SYS_SUPPORTS_32BIT_KERNEL
791 select SYS_SUPPORTS_64BIT_KERNEL
792 select SYS_SUPPORTS_LITTLE_ENDIAN
793 select SYS_SUPPORTS_BIG_ENDIAN
794 select SYS_SUPPORTS_KGDB
795 select TOSHIBA_BOARDS
796 select GENERIC_HARDIRQS_NO__DO_IRQ
798 This Toshiba board is based on the TX4927 processor. Say Y here to
799 support this machine type
801 config TOSHIBA_RBTX4938
802 bool "Toshiba RBTX4938 board"
803 select HAVE_STD_PC_SERIAL_PORT
804 select DMA_NONCOHERENT
805 select GENERIC_ISA_DMA
806 select HAS_TXX9_SERIAL
811 select SYS_HAS_CPU_TX49XX
812 select SYS_SUPPORTS_32BIT_KERNEL
813 select SYS_SUPPORTS_LITTLE_ENDIAN
814 select SYS_SUPPORTS_BIG_ENDIAN
815 select SYS_SUPPORTS_KGDB
816 select TOSHIBA_BOARDS
817 select GENERIC_HARDIRQS_NO__DO_IRQ
819 This Toshiba board is based on the TX4938 processor. Say Y here to
820 support this machine type
824 source "arch/mips/ddb5xxx/Kconfig"
825 source "arch/mips/gt64120/ev64120/Kconfig"
826 source "arch/mips/jazz/Kconfig"
827 source "arch/mips/lasat/Kconfig"
828 source "arch/mips/momentum/Kconfig"
829 source "arch/mips/pmc-sierra/Kconfig"
830 source "arch/mips/sgi-ip27/Kconfig"
831 source "arch/mips/sibyte/Kconfig"
832 source "arch/mips/tx4927/Kconfig"
833 source "arch/mips/tx4938/Kconfig"
834 source "arch/mips/vr41xx/Kconfig"
835 source "arch/mips/philips/pnx8550/common/Kconfig"
839 config RWSEM_GENERIC_SPINLOCK
843 config RWSEM_XCHGADD_ALGORITHM
846 config ARCH_HAS_ILOG2_U32
850 config ARCH_HAS_ILOG2_U64
854 config GENERIC_FIND_NEXT_BIT
858 config GENERIC_HWEIGHT
862 config GENERIC_CALIBRATE_DELAY
870 config SCHED_NO_NO_OMIT_FRAME_POINTER
874 config GENERIC_HARDIRQS_NO__DO_IRQ
879 # Select some configuration options automatically based on user selections.
884 config ARCH_MAY_HAVE_PC_FDC
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
905 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
906 depends on SYS_HAS_EARLY_PRINTK
909 This option enables special console drivers which allow the kernel
910 to print messages very early in the bootup process.
912 This is useful for kernel debugging when your machine crashes very
913 early before the console code is initialized. For normal operation
914 it is not recommended because it looks on some machines ugly and
915 oesn't cooperate with an X server. You should normally N here,
916 unless you want to debug such a crash.
918 config SYS_HAS_EARLY_PRINTK
921 config GENERIC_ISA_DMA
931 select SYS_SUPPORTS_HIGHMEM
942 config MIPS_DISABLE_OBSOLETE_IDE
945 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
1045 config SERIAL_RM9000
1054 select DMA_NONCOHERENT
1056 select SYS_HAS_CPU_MIPS32_R1
1057 select SYS_HAS_EARLY_PRINTK
1058 select SYS_SUPPORTS_32BIT_KERNEL
1059 select GENERIC_HARDIRQS_NO__DO_IRQ
1060 select SYS_SUPPORTS_KGDB
1062 config SWAP_IO_SPACE
1070 config SERIAL_RM9000
1080 # Unfortunately not all GT64120 systems run the chip at the same clock.
1081 # As the user for the clock rate and try to minimize the available options.
1084 prompt "Galileo Chip Clock"
1085 #default SYSCLK_83 if MIPS_EV64120
1086 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1087 default SYSCLK_83 if MIPS_EV64120
1088 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1091 bool "75" if MIPS_EV64120
1094 bool "83.3" if MIPS_EV64120
1097 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1107 config MIPS_L1_CACHE_SHIFT
1109 default "4" if MACH_DECSTATION || SNI_RM
1110 default "7" if SGI_IP27
1113 config HAVE_STD_PC_SERIAL_PORT
1117 bool "ARC console support"
1118 depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
1122 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1127 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
1136 config TOSHIBA_BOARDS
1139 menu "CPU selection"
1145 config CPU_MIPS32_R1
1146 bool "MIPS32 Release 1"
1147 depends on SYS_HAS_CPU_MIPS32_R1
1149 select CPU_HAS_PREFETCH
1150 select CPU_SUPPORTS_32BIT_KERNEL
1151 select CPU_SUPPORTS_HIGHMEM
1153 Choose this option to build a kernel for release 1 or later of the
1154 MIPS32 architecture. Most modern embedded systems with a 32-bit
1155 MIPS processor are based on a MIPS32 processor. If you know the
1156 specific type of processor in your system, choose those that one
1157 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1158 Release 2 of the MIPS32 architecture is available since several
1159 years so chances are you even have a MIPS32 Release 2 processor
1160 in which case you should choose CPU_MIPS32_R2 instead for better
1163 config CPU_MIPS32_R2
1164 bool "MIPS32 Release 2"
1165 depends on SYS_HAS_CPU_MIPS32_R2
1167 select CPU_HAS_PREFETCH
1168 select CPU_SUPPORTS_32BIT_KERNEL
1169 select CPU_SUPPORTS_HIGHMEM
1171 Choose this option to build a kernel for release 2 or later of the
1172 MIPS32 architecture. Most modern embedded systems with a 32-bit
1173 MIPS processor are based on a MIPS32 processor. If you know the
1174 specific type of processor in your system, choose those that one
1175 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1177 config CPU_MIPS64_R1
1178 bool "MIPS64 Release 1"
1179 depends on SYS_HAS_CPU_MIPS64_R1
1181 select CPU_HAS_PREFETCH
1182 select CPU_SUPPORTS_32BIT_KERNEL
1183 select CPU_SUPPORTS_64BIT_KERNEL
1184 select CPU_SUPPORTS_HIGHMEM
1186 Choose this option to build a kernel for release 1 or later of the
1187 MIPS64 architecture. Many modern embedded systems with a 64-bit
1188 MIPS processor are based on a MIPS64 processor. If you know the
1189 specific type of processor in your system, choose those that one
1190 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1191 Release 2 of the MIPS64 architecture is available since several
1192 years so chances are you even have a MIPS64 Release 2 processor
1193 in which case you should choose CPU_MIPS64_R2 instead for better
1196 config CPU_MIPS64_R2
1197 bool "MIPS64 Release 2"
1198 depends on SYS_HAS_CPU_MIPS64_R2
1200 select CPU_HAS_PREFETCH
1201 select CPU_SUPPORTS_32BIT_KERNEL
1202 select CPU_SUPPORTS_64BIT_KERNEL
1203 select CPU_SUPPORTS_HIGHMEM
1205 Choose this option to build a kernel for release 2 or later of the
1206 MIPS64 architecture. Many modern embedded systems with a 64-bit
1207 MIPS processor are based on a MIPS64 processor. If you know the
1208 specific type of processor in your system, choose those that one
1209 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1213 depends on SYS_HAS_CPU_R3000
1215 select CPU_SUPPORTS_32BIT_KERNEL
1216 select CPU_SUPPORTS_HIGHMEM
1218 Please make sure to pick the right CPU type. Linux/MIPS is not
1219 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1220 *not* work on R4000 machines and vice versa. However, since most
1221 of the supported machines have an R4000 (or similar) CPU, R4x00
1222 might be a safe bet. If the resulting kernel does not work,
1223 try to recompile with R3000.
1227 depends on SYS_HAS_CPU_TX39XX
1228 select CPU_SUPPORTS_32BIT_KERNEL
1232 depends on SYS_HAS_CPU_VR41XX
1233 select CPU_SUPPORTS_32BIT_KERNEL
1234 select CPU_SUPPORTS_64BIT_KERNEL
1236 The options selects support for the NEC VR4100 series of processors.
1237 Only choose this option if you have one of these processors as a
1238 kernel built with this option will not run on any other type of
1239 processor or vice versa.
1243 depends on SYS_HAS_CPU_R4300
1245 select CPU_SUPPORTS_32BIT_KERNEL
1246 select CPU_SUPPORTS_64BIT_KERNEL
1248 MIPS Technologies R4300-series processors.
1252 depends on SYS_HAS_CPU_R4X00
1254 select CPU_SUPPORTS_32BIT_KERNEL
1255 select CPU_SUPPORTS_64BIT_KERNEL
1257 MIPS Technologies R4000-series processors other than 4300, including
1258 the R4000, R4400, R4600, and 4700.
1262 depends on SYS_HAS_CPU_TX49XX
1264 select CPU_HAS_PREFETCH
1265 select CPU_SUPPORTS_32BIT_KERNEL
1266 select CPU_SUPPORTS_64BIT_KERNEL
1270 depends on SYS_HAS_CPU_R5000
1272 select CPU_SUPPORTS_32BIT_KERNEL
1273 select CPU_SUPPORTS_64BIT_KERNEL
1275 MIPS Technologies R5000-series processors other than the Nevada.
1279 depends on SYS_HAS_CPU_R5432
1281 select CPU_SUPPORTS_32BIT_KERNEL
1282 select CPU_SUPPORTS_64BIT_KERNEL
1286 depends on EXPERIMENTAL
1288 depends on SYS_HAS_CPU_R6000
1289 select CPU_SUPPORTS_32BIT_KERNEL
1291 MIPS Technologies R6000 and R6000A series processors. Note these
1292 processors are extremely rare and the support for them is incomplete.
1296 depends on SYS_HAS_CPU_NEVADA
1298 select CPU_SUPPORTS_32BIT_KERNEL
1299 select CPU_SUPPORTS_64BIT_KERNEL
1301 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1305 depends on EXPERIMENTAL
1306 depends on SYS_HAS_CPU_R8000
1308 select CPU_HAS_PREFETCH
1309 select CPU_SUPPORTS_64BIT_KERNEL
1311 MIPS Technologies R8000 processors. Note these processors are
1312 uncommon and the support for them is incomplete.
1316 depends on SYS_HAS_CPU_R10000
1318 select CPU_HAS_PREFETCH
1319 select CPU_SUPPORTS_32BIT_KERNEL
1320 select CPU_SUPPORTS_64BIT_KERNEL
1321 select CPU_SUPPORTS_HIGHMEM
1323 MIPS Technologies R10000-series processors.
1327 depends on SYS_HAS_CPU_RM7000
1329 select CPU_HAS_PREFETCH
1330 select CPU_SUPPORTS_32BIT_KERNEL
1331 select CPU_SUPPORTS_64BIT_KERNEL
1332 select CPU_SUPPORTS_HIGHMEM
1336 depends on SYS_HAS_CPU_RM9000
1338 select CPU_HAS_PREFETCH
1339 select CPU_SUPPORTS_32BIT_KERNEL
1340 select CPU_SUPPORTS_64BIT_KERNEL
1341 select CPU_SUPPORTS_HIGHMEM
1342 select WEAK_ORDERING
1346 depends on SYS_HAS_CPU_SB1
1348 select CPU_SUPPORTS_32BIT_KERNEL
1349 select CPU_SUPPORTS_64BIT_KERNEL
1350 select CPU_SUPPORTS_HIGHMEM
1351 select WEAK_ORDERING
1355 config SYS_HAS_CPU_MIPS32_R1
1358 config SYS_HAS_CPU_MIPS32_R2
1361 config SYS_HAS_CPU_MIPS64_R1
1364 config SYS_HAS_CPU_MIPS64_R2
1367 config SYS_HAS_CPU_R3000
1370 config SYS_HAS_CPU_TX39XX
1373 config SYS_HAS_CPU_VR41XX
1376 config SYS_HAS_CPU_R4300
1379 config SYS_HAS_CPU_R4X00
1382 config SYS_HAS_CPU_TX49XX
1385 config SYS_HAS_CPU_R5000
1388 config SYS_HAS_CPU_R5432
1391 config SYS_HAS_CPU_R6000
1394 config SYS_HAS_CPU_NEVADA
1397 config SYS_HAS_CPU_R8000
1400 config SYS_HAS_CPU_R10000
1403 config SYS_HAS_CPU_RM7000
1406 config SYS_HAS_CPU_RM9000
1409 config SYS_HAS_CPU_SB1
1412 config WEAK_ORDERING
1417 # These two indicate any level of the MIPS32 and MIPS64 architecture
1421 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1425 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1428 # These two indicate the revision of the architecture, either Release 1 or Release 2
1432 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1436 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1438 config SYS_SUPPORTS_32BIT_KERNEL
1440 config SYS_SUPPORTS_64BIT_KERNEL
1442 config CPU_SUPPORTS_32BIT_KERNEL
1444 config CPU_SUPPORTS_64BIT_KERNEL
1451 prompt "Kernel code model"
1453 You should only select this option if you have a workload that
1454 actually benefits from 64-bit processing or if your machine has
1455 large memory. You will only be presented a single option in this
1456 menu if your system does not support both 32-bit and 64-bit kernels.
1459 bool "32-bit kernel"
1460 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1463 Select this option if you want to build a 32-bit kernel.
1465 bool "64-bit kernel"
1466 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1468 Select this option if you want to build a 64-bit kernel.
1473 prompt "Kernel page size"
1474 default PAGE_SIZE_4KB
1476 config PAGE_SIZE_4KB
1479 This option select the standard 4kB Linux page size. On some
1480 R3000-family processors this is the only available page size. Using
1481 4kB page size will minimize memory consumption and is therefore
1482 recommended for low memory systems.
1484 config PAGE_SIZE_8KB
1486 depends on EXPERIMENTAL && CPU_R8000
1488 Using 8kB page size will result in higher performance kernel at
1489 the price of higher memory consumption. This option is available
1490 only on the R8000 processor. Not that at the time of this writing
1491 this option is still high experimental; there are also issues with
1492 compatibility of user applications.
1494 config PAGE_SIZE_16KB
1496 depends on !CPU_R3000 && !CPU_TX39XX
1498 Using 16kB page size will result in higher performance kernel at
1499 the price of higher memory consumption. This option is available on
1500 all non-R3000 family processors. Note that you will need a suitable
1501 Linux distribution to support this.
1503 config PAGE_SIZE_64KB
1505 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1507 Using 64kB page size will result in higher performance kernel at
1508 the price of higher memory consumption. This option is available on
1509 all non-R3000 family processor. Not that at the time of this
1510 writing this option is still high experimental.
1517 config IP22_CPU_SCACHE
1522 # Support for a MIPS32 / MIPS64 style S-caches
1524 config MIPS_CPU_SCACHE
1528 config R5000_CPU_SCACHE
1532 config RM7000_CPU_SCACHE
1536 config SIBYTE_DMA_PAGEOPS
1537 bool "Use DMA to clear/copy pages"
1540 Instead of using the CPU to zero and copy pages, use a Data Mover
1541 channel. These DMA channels are otherwise unused by the standard
1542 SiByte Linux port. Seems to give a small performance benefit.
1544 config CPU_HAS_PREFETCH
1548 prompt "MIPS MT options"
1550 config MIPS_MT_DISABLED
1551 bool "Disable multithreading support."
1553 Use this option if your workload can't take advantage of
1554 MIPS hardware multithreading support. On systems that don't have
1555 the option of an MT-enabled processor this option will be the only
1556 option in this menu.
1559 bool "Use 1 TC on each available VPE for SMP"
1560 depends on SYS_SUPPORTS_MULTITHREADING
1561 select CPU_MIPSR2_IRQ_VI
1562 select CPU_MIPSR2_SRS
1564 select NR_CPUS_DEFAULT_2
1566 select SYS_SUPPORTS_SMP
1568 This is a kernel model which is also known a VSMP or lately
1569 has been marketesed into SMVP.
1572 bool "SMTC: Use all TCs on all VPEs for SMP"
1573 depends on CPU_MIPS32_R2
1574 #depends on CPU_MIPS64_R2 # once there is hardware ...
1575 depends on SYS_SUPPORTS_MULTITHREADING
1576 select CPU_MIPSR2_IRQ_VI
1577 select CPU_MIPSR2_SRS
1579 select NR_CPUS_DEFAULT_8
1581 select SYS_SUPPORTS_SMP
1583 This is a kernel model which is known a SMTC or lately has been
1584 marketesed into SMVP.
1586 config MIPS_VPE_LOADER
1587 bool "VPE loader support."
1588 depends on SYS_SUPPORTS_MULTITHREADING
1591 Includes a loader for loading an elf relocatable object
1592 onto another VPE and running it.
1599 config SYS_SUPPORTS_MULTITHREADING
1602 config MIPS_MT_FPAFF
1603 bool "Dynamic FPU affinity for FP-intensive threads"
1607 config MIPS_MT_SMTC_INSTANT_REPLAY
1608 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1609 depends on MIPS_MT_SMTC && !PREEMPT
1612 SMTC pseudo-interrupts between TCs are deferred and queued
1613 if the target TC is interrupt-inhibited (IXMT). In the first
1614 SMTC prototypes, these queued IPIs were serviced on return
1615 to user mode, or on entry into the kernel idle loop. The
1616 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1617 processing, which adds runtime overhead (hence the option to turn
1618 it off), but ensures that IPIs are handled promptly even under
1619 heavy I/O interrupt load.
1621 config MIPS_VPE_LOADER_TOM
1622 bool "Load VPE program into memory hidden from linux"
1623 depends on MIPS_VPE_LOADER
1626 The loader can use memory that is present but has been hidden from
1627 Linux using the kernel command line option "mem=xxMB". It's up to
1628 you to ensure the amount you put in the option and the space your
1629 program requires is less or equal to the amount physically present.
1631 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1632 config MIPS_VPE_APSP_API
1633 bool "Enable support for AP/SP API (RTLX)"
1634 depends on MIPS_VPE_LOADER
1637 config MIPS_APSP_KSPD
1639 depends on MIPS_VPE_APSP_API
1642 KSPD is a kernel daemon that accepts syscall requests from the SP
1643 side, actions them and returns the results. It also handles the
1644 "exit" syscall notifying other kernel modules the SP program is
1645 exiting. You probably want to say yes here.
1647 config SB1_PASS_1_WORKAROUNDS
1649 depends on CPU_SB1_PASS_1
1652 config SB1_PASS_2_WORKAROUNDS
1654 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1657 config SB1_PASS_2_1_WORKAROUNDS
1659 depends on CPU_SB1 && CPU_SB1_PASS_2
1662 config 64BIT_PHYS_ADDR
1663 bool "Support for 64-bit physical address space"
1664 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1669 config CPU_HAS_SMARTMIPS
1670 depends on SYS_SUPPORTS_SMARTMIPS
1671 bool "Support for the SmartMIPS ASE"
1673 SmartMIPS is a extension of the MIPS32 architecture aimed at
1674 increased security at both hardware and software level for
1675 smartcards. Enabling this option will allow proper use of the
1676 SmartMIPS instructions by Linux applications. However a kernel with
1677 this option will not work on a MIPS core without SmartMIPS core. If
1678 you don't know you probably don't have SmartMIPS and should say N
1685 # Vectored interrupt mode is an R2 feature
1687 config CPU_MIPSR2_IRQ_VI
1691 # Extended interrupt mode is an R2 feature
1693 config CPU_MIPSR2_IRQ_EI
1697 # Shadow registers are an R2 feature
1699 config CPU_MIPSR2_SRS
1704 depends on !CPU_R3000
1708 # Use the generic interrupt handling code in kernel/irq/:
1710 config GENERIC_HARDIRQS
1714 config GENERIC_IRQ_PROBE
1722 # - Highmem only makes sense for the 32-bit kernel.
1723 # - The current highmem code will only work properly on physically indexed
1724 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1725 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1726 # moment we protect the user and offer the highmem option only on machines
1727 # where it's known to be safe. This will not offer highmem on a few systems
1728 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1729 # indexed CPUs but we're playing safe.
1730 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1731 # know they might have memory configurations that could make use of highmem
1735 bool "High Memory Support"
1736 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1738 config CPU_SUPPORTS_HIGHMEM
1741 config SYS_SUPPORTS_HIGHMEM
1744 config SYS_SUPPORTS_SMARTMIPS
1747 config ARCH_FLATMEM_ENABLE
1751 config ARCH_DISCONTIGMEM_ENABLE
1753 default y if SGI_IP27
1755 Say Y to upport efficient handling of discontiguous physical memory,
1756 for architectures which are either NUMA (Non-Uniform Memory Access)
1757 or have huge holes in the physical address space for other reasons.
1758 See <file:Documentation/vm/numa> for more.
1760 config ARCH_SPARSEMEM_ENABLE
1762 select SPARSEMEM_STATIC
1766 depends on SYS_SUPPORTS_NUMA
1768 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1769 Access). This option improves performance on systems with more
1770 than two nodes; on two node systems it is generally better to
1771 leave it disabled; on single node systems disable this option
1774 config SYS_SUPPORTS_NUMA
1780 depends on NEED_MULTIPLE_NODES
1785 bool "Multi-Processing support"
1786 depends on SYS_SUPPORTS_SMP
1789 This enables support for systems with more than one CPU. If you have
1790 a system with only one CPU, like most personal computers, say N. If
1791 you have a system with more than one CPU, say Y.
1793 If you say N here, the kernel will run on single and multiprocessor
1794 machines, but will use only one CPU of a multiprocessor machine. If
1795 you say Y here, the kernel will run on many, but not all,
1796 singleprocessor machines. On a singleprocessor machine, the kernel
1797 will run faster if you say N here.
1799 People using multiprocessor machines who say Y here should also say
1800 Y to "Enhanced Real Time Clock Support", below.
1802 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1803 available at <http://www.tldp.org/docs.html#howto>.
1805 If you don't know what to do here, say N.
1807 config SYS_SUPPORTS_SMP
1810 config NR_CPUS_DEFAULT_1
1813 config NR_CPUS_DEFAULT_2
1816 config NR_CPUS_DEFAULT_4
1819 config NR_CPUS_DEFAULT_8
1822 config NR_CPUS_DEFAULT_16
1825 config NR_CPUS_DEFAULT_32
1828 config NR_CPUS_DEFAULT_64
1832 int "Maximum number of CPUs (2-64)"
1833 range 1 64 if NR_CPUS_DEFAULT_1
1835 default "1" if NR_CPUS_DEFAULT_1
1836 default "2" if NR_CPUS_DEFAULT_2
1837 default "4" if NR_CPUS_DEFAULT_4
1838 default "8" if NR_CPUS_DEFAULT_8
1839 default "16" if NR_CPUS_DEFAULT_16
1840 default "32" if NR_CPUS_DEFAULT_32
1841 default "64" if NR_CPUS_DEFAULT_64
1843 This allows you to specify the maximum number of CPUs which this
1844 kernel will support. The maximum supported value is 32 for 32-bit
1845 kernel and 64 for 64-bit kernels; the minimum value which makes
1846 sense is 1 for Qemu (useful only for kernel debugging purposes)
1847 and 2 for all others.
1849 This is purely to save memory - each supported CPU adds
1850 approximately eight kilobytes to the kernel image. For best
1851 performance should round up your number of processors to the next
1855 # Timer Interrupt Frequency Configuration
1859 prompt "Timer frequency"
1862 Allows the configuration of the timer frequency.
1865 bool "48 HZ" if SYS_SUPPORTS_48HZ
1868 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1871 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1874 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1877 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1880 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1883 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1887 config SYS_SUPPORTS_48HZ
1890 config SYS_SUPPORTS_100HZ
1893 config SYS_SUPPORTS_128HZ
1896 config SYS_SUPPORTS_250HZ
1899 config SYS_SUPPORTS_256HZ
1902 config SYS_SUPPORTS_1000HZ
1905 config SYS_SUPPORTS_1024HZ
1908 config SYS_SUPPORTS_ARBIT_HZ
1910 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1911 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1912 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1913 !SYS_SUPPORTS_1024HZ
1918 default 100 if HZ_100
1919 default 128 if HZ_128
1920 default 250 if HZ_250
1921 default 256 if HZ_256
1922 default 1000 if HZ_1000
1923 default 1024 if HZ_1024
1925 source "kernel/Kconfig.preempt"
1927 config MIPS_INSANE_LARGE
1928 bool "Support for large 64-bit configurations"
1929 depends on CPU_R10000 && 64BIT
1931 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1932 previous 64-bit processors which only supported 40 bit / 1TB. If you
1933 need processes of more than 1TB virtual address space, say Y here.
1934 This will result in additional memory usage, so it is not
1935 recommended for normal users.
1938 bool "Kexec system call (EXPERIMENTAL)"
1939 depends on EXPERIMENTAL
1941 kexec is a system call that implements the ability to shutdown your
1942 current kernel, and to start another kernel. It is like a reboot
1943 but it is indepedent of the system firmware. And like a reboot
1944 you can start any kernel with it, not just Linux.
1946 The name comes from the similiarity to the exec system call.
1948 It is an ongoing process to be certain the hardware in a machine
1949 is properly shutdown, so do not be surprised if this code does not
1950 initially work for you. It may help to enable device hotplugging
1951 support. As of this writing the exact hardware interface is
1952 strongly in flux, so no good recommendation can be made.
1955 bool "Enable seccomp to safely compute untrusted bytecode"
1956 depends on PROC_FS && BROKEN
1959 This kernel feature is useful for number crunching applications
1960 that may need to compute untrusted bytecode during their
1961 execution. By using pipes or other transports made available to
1962 the process as file descriptors supporting the read/write
1963 syscalls, it's possible to isolate those applications in
1964 their own address space using seccomp. Once seccomp is
1965 enabled via /proc/<pid>/seccomp, it cannot be disabled
1966 and the task is only allowed to execute a few safe syscalls
1967 defined by each seccomp mode.
1969 If unsure, say Y. Only embedded should say N here.
1973 config RWSEM_GENERIC_SPINLOCK
1977 config LOCKDEP_SUPPORT
1981 config STACKTRACE_SUPPORT
1985 source "init/Kconfig"
1987 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1995 bool "Support for PCI controller"
1996 depends on HW_HAS_PCI
1998 Find out whether you have a PCI motherboard. PCI is the name of a
1999 bus system, i.e. the way the CPU talks to the other stuff inside
2000 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2003 The PCI-HOWTO, available from
2004 <http://www.tldp.org/docs.html#howto>, contains valuable
2005 information about which PCI hardware does work under Linux and which
2012 source "drivers/pci/Kconfig"
2015 # ISA support is now enabled via select. Too many systems still have the one
2016 # or other ISA chip on the board that users don't know about so don't expect
2017 # users to choose the right thing ...
2024 depends on HW_HAS_EISA
2026 select GENERIC_ISA_DMA
2028 The Extended Industry Standard Architecture (EISA) bus was
2029 developed as an open alternative to the IBM MicroChannel bus.
2031 The EISA bus provided some of the features of the IBM MicroChannel
2032 bus while maintaining backward compatibility with cards made for
2033 the older ISA bus. The EISA bus saw limited use between 1988 and
2034 1995 when it was made obsolete by the PCI bus.
2036 Say Y here if you are building a kernel for an EISA-based machine.
2040 source "drivers/eisa/Kconfig"
2043 bool "TURBOchannel support"
2044 depends on MACH_DECSTATION
2046 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2047 processors. Documentation on writing device drivers for TurboChannel
2049 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2052 # bool "Access.Bus support"
2062 source "drivers/pcmcia/Kconfig"
2064 source "drivers/pci/hotplug/Kconfig"
2068 menu "Executable file formats"
2070 source "fs/Kconfig.binfmt"
2076 bool "Use 64-bit ELF format for building"
2079 A 64-bit kernel is usually built using the 64-bit ELF binary object
2080 format as it's one that allows arbitrary 64-bit constructs. For
2081 kernels that are loaded within the KSEG compatibility segments the
2082 32-bit ELF format can optionally be used resulting in a somewhat
2083 smaller binary, but this option is not explicitly supported by the
2084 toolchain and since binutils 2.14 it does not even work at all.
2086 Say Y to use the 64-bit format or N to use the 32-bit one.
2091 bool "Include IRIX binary compatibility"
2092 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
2094 config MIPS32_COMPAT
2095 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2098 Select this option if you want Linux/MIPS 32-bit binary
2099 compatibility. Since all software available for Linux/MIPS is
2100 currently 32-bit you should say Y here.
2104 depends on MIPS32_COMPAT
2107 config SYSVIPC_COMPAT
2109 depends on COMPAT && SYSVIPC
2113 bool "Kernel support for o32 binaries"
2114 depends on MIPS32_COMPAT
2116 Select this option if you want to run o32 binaries. These are pure
2117 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2118 existing binaries are in this format.
2123 bool "Kernel support for n32 binaries"
2124 depends on MIPS32_COMPAT
2126 Select this option if you want to run n32 binaries. These are
2127 64-bit binaries using 32-bit quantities for addressing and certain
2128 data that would normally be 64-bit. They are used in special
2135 default y if MIPS32_O32 || MIPS32_N32
2139 menu "Power management options"
2141 source "kernel/power/Kconfig"
2145 source "net/Kconfig"
2147 source "drivers/Kconfig"
2151 source "arch/mips/oprofile/Kconfig"
2153 source "arch/mips/Kconfig.debug"
2155 source "security/Kconfig"
2157 source "crypto/Kconfig"
2159 source "lib/Kconfig"