ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION
[deliverable/linux.git] / arch / mips / Kconfig
1 config MIPS
2 bool
3 default y
4 select HAVE_GENERIC_DMA_COHERENT
5 select HAVE_IDE
6 select HAVE_OPROFILE
7 select HAVE_IRQ_WORK
8 select HAVE_PERF_EVENTS
9 select PERF_USE_VMALLOC
10 select HAVE_ARCH_KGDB
11 select ARCH_HAVE_CUSTOM_GPIO_H
12 select HAVE_FUNCTION_TRACER
13 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
14 select HAVE_DYNAMIC_FTRACE
15 select HAVE_FTRACE_MCOUNT_RECORD
16 select HAVE_C_RECORDMCOUNT
17 select HAVE_FUNCTION_GRAPH_TRACER
18 select HAVE_KPROBES
19 select HAVE_KRETPROBES
20 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
21 select RTC_LIB if !MACH_LOONGSON
22 select GENERIC_ATOMIC64 if !64BIT
23 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
24 select HAVE_DMA_ATTRS
25 select HAVE_DMA_API_DEBUG
26 select HAVE_GENERIC_HARDIRQS
27 select GENERIC_IRQ_PROBE
28 select GENERIC_IRQ_SHOW
29 select HAVE_ARCH_JUMP_LABEL
30 select ARCH_WANT_IPC_PARSE_VERSION
31 select IRQ_FORCED_THREADING
32 select HAVE_MEMBLOCK
33 select HAVE_MEMBLOCK_NODE_MAP
34 select ARCH_DISCARD_MEMBLOCK
35 select GENERIC_SMP_IDLE_THREAD
36 select BUILDTIME_EXTABLE_SORT
37 select GENERIC_CLOCKEVENTS
38 select GENERIC_CMOS_UPDATE
39
40 menu "Machine selection"
41
42 config ZONE_DMA
43 bool
44
45 choice
46 prompt "System type"
47 default SGI_IP22
48
49 config MIPS_ALCHEMY
50 bool "Alchemy processor based machines"
51 select 64BIT_PHYS_ADDR
52 select CEVT_R4K_LIB
53 select CSRC_R4K_LIB
54 select IRQ_CPU
55 select SYS_HAS_CPU_MIPS32_R1
56 select SYS_SUPPORTS_32BIT_KERNEL
57 select SYS_SUPPORTS_APM_EMULATION
58 select GENERIC_GPIO
59 select ARCH_WANT_OPTIONAL_GPIOLIB
60 select SYS_SUPPORTS_ZBOOT
61 select USB_ARCH_HAS_OHCI
62 select USB_ARCH_HAS_EHCI
63
64 config AR7
65 bool "Texas Instruments AR7"
66 select BOOT_ELF32
67 select DMA_NONCOHERENT
68 select CEVT_R4K
69 select CSRC_R4K
70 select IRQ_CPU
71 select NO_EXCEPT_FILL
72 select SWAP_IO_SPACE
73 select SYS_HAS_CPU_MIPS32_R1
74 select SYS_HAS_EARLY_PRINTK
75 select SYS_SUPPORTS_32BIT_KERNEL
76 select SYS_SUPPORTS_LITTLE_ENDIAN
77 select SYS_SUPPORTS_ZBOOT_UART16550
78 select ARCH_REQUIRE_GPIOLIB
79 select VLYNQ
80 help
81 Support for the Texas Instruments AR7 System-on-a-Chip
82 family: TNETD7100, 7200 and 7300.
83
84 config ATH79
85 bool "Atheros AR71XX/AR724X/AR913X based boards"
86 select ARCH_REQUIRE_GPIOLIB
87 select BOOT_RAW
88 select CEVT_R4K
89 select CSRC_R4K
90 select DMA_NONCOHERENT
91 select IRQ_CPU
92 select MIPS_MACHINE
93 select SYS_HAS_CPU_MIPS32_R2
94 select SYS_HAS_EARLY_PRINTK
95 select SYS_SUPPORTS_32BIT_KERNEL
96 select SYS_SUPPORTS_BIG_ENDIAN
97 help
98 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
99
100 config BCM47XX
101 bool "Broadcom BCM47XX based boards"
102 select CEVT_R4K
103 select CSRC_R4K
104 select DMA_NONCOHERENT
105 select HW_HAS_PCI
106 select IRQ_CPU
107 select SYS_SUPPORTS_32BIT_KERNEL
108 select SYS_SUPPORTS_LITTLE_ENDIAN
109 select GENERIC_GPIO
110 select SYS_HAS_EARLY_PRINTK
111 select CFE
112 help
113 Support for BCM47XX based boards
114
115 config BCM63XX
116 bool "Broadcom BCM63XX based boards"
117 select CEVT_R4K
118 select CSRC_R4K
119 select DMA_NONCOHERENT
120 select IRQ_CPU
121 select SYS_HAS_CPU_MIPS32_R1
122 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_BIG_ENDIAN
124 select SYS_HAS_EARLY_PRINTK
125 select SWAP_IO_SPACE
126 select ARCH_REQUIRE_GPIOLIB
127 help
128 Support for BCM63XX based boards
129
130 config MIPS_COBALT
131 bool "Cobalt Server"
132 select CEVT_R4K
133 select CSRC_R4K
134 select CEVT_GT641XX
135 select DMA_NONCOHERENT
136 select HW_HAS_PCI
137 select I8253
138 select I8259
139 select IRQ_CPU
140 select IRQ_GT641XX
141 select PCI_GT64XXX_PCI0
142 select PCI
143 select SYS_HAS_CPU_NEVADA
144 select SYS_HAS_EARLY_PRINTK
145 select SYS_SUPPORTS_32BIT_KERNEL
146 select SYS_SUPPORTS_64BIT_KERNEL
147 select SYS_SUPPORTS_LITTLE_ENDIAN
148
149 config MACH_DECSTATION
150 bool "DECstations"
151 select BOOT_ELF32
152 select CEVT_DS1287
153 select CEVT_R4K
154 select CSRC_IOASIC
155 select CSRC_R4K
156 select CPU_DADDI_WORKAROUNDS if 64BIT
157 select CPU_R4000_WORKAROUNDS if 64BIT
158 select CPU_R4400_WORKAROUNDS if 64BIT
159 select DMA_NONCOHERENT
160 select NO_IOPORT
161 select IRQ_CPU
162 select SYS_HAS_CPU_R3000
163 select SYS_HAS_CPU_R4X00
164 select SYS_SUPPORTS_32BIT_KERNEL
165 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
166 select SYS_SUPPORTS_LITTLE_ENDIAN
167 select SYS_SUPPORTS_128HZ
168 select SYS_SUPPORTS_256HZ
169 select SYS_SUPPORTS_1024HZ
170 help
171 This enables support for DEC's MIPS based workstations. For details
172 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
173 DECstation porting pages on <http://decstation.unix-ag.org/>.
174
175 If you have one of the following DECstation Models you definitely
176 want to choose R4xx0 for the CPU Type:
177
178 DECstation 5000/50
179 DECstation 5000/150
180 DECstation 5000/260
181 DECsystem 5900/260
182
183 otherwise choose R3000.
184
185 config MACH_JAZZ
186 bool "Jazz family of machines"
187 select ARC
188 select ARC32
189 select ARCH_MAY_HAVE_PC_FDC
190 select CEVT_R4K
191 select CSRC_R4K
192 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
193 select GENERIC_ISA_DMA
194 select HAVE_PCSPKR_PLATFORM
195 select IRQ_CPU
196 select I8253
197 select I8259
198 select ISA
199 select SYS_HAS_CPU_R4X00
200 select SYS_SUPPORTS_32BIT_KERNEL
201 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
202 select SYS_SUPPORTS_100HZ
203 help
204 This a family of machines based on the MIPS R4030 chipset which was
205 used by several vendors to build RISC/os and Windows NT workstations.
206 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
207 Olivetti M700-10 workstations.
208
209 config MACH_JZ4740
210 bool "Ingenic JZ4740 based machines"
211 select SYS_HAS_CPU_MIPS32_R1
212 select SYS_SUPPORTS_32BIT_KERNEL
213 select SYS_SUPPORTS_LITTLE_ENDIAN
214 select DMA_NONCOHERENT
215 select IRQ_CPU
216 select GENERIC_GPIO
217 select ARCH_REQUIRE_GPIOLIB
218 select SYS_HAS_EARLY_PRINTK
219 select HAVE_PWM
220 select HAVE_CLK
221 select GENERIC_IRQ_CHIP
222
223 config LANTIQ
224 bool "Lantiq based platforms"
225 select DMA_NONCOHERENT
226 select IRQ_CPU
227 select CEVT_R4K
228 select CSRC_R4K
229 select SYS_HAS_CPU_MIPS32_R1
230 select SYS_HAS_CPU_MIPS32_R2
231 select SYS_SUPPORTS_BIG_ENDIAN
232 select SYS_SUPPORTS_32BIT_KERNEL
233 select SYS_SUPPORTS_MULTITHREADING
234 select SYS_HAS_EARLY_PRINTK
235 select ARCH_REQUIRE_GPIOLIB
236 select SWAP_IO_SPACE
237 select BOOT_RAW
238 select HAVE_MACH_CLKDEV
239 select CLKDEV_LOOKUP
240 select USE_OF
241
242 config LASAT
243 bool "LASAT Networks platforms"
244 select CEVT_R4K
245 select CSRC_R4K
246 select DMA_NONCOHERENT
247 select SYS_HAS_EARLY_PRINTK
248 select HW_HAS_PCI
249 select IRQ_CPU
250 select PCI_GT64XXX_PCI0
251 select MIPS_NILE4
252 select R5000_CPU_SCACHE
253 select SYS_HAS_CPU_R5000
254 select SYS_SUPPORTS_32BIT_KERNEL
255 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
256 select SYS_SUPPORTS_LITTLE_ENDIAN
257
258 config MACH_LOONGSON
259 bool "Loongson family of machines"
260 select SYS_SUPPORTS_ZBOOT
261 help
262 This enables the support of Loongson family of machines.
263
264 Loongson is a family of general-purpose MIPS-compatible CPUs.
265 developed at Institute of Computing Technology (ICT),
266 Chinese Academy of Sciences (CAS) in the People's Republic
267 of China. The chief architect is Professor Weiwu Hu.
268
269 config MIPS_MALTA
270 bool "MIPS Malta board"
271 select ARCH_MAY_HAVE_PC_FDC
272 select BOOT_ELF32
273 select BOOT_RAW
274 select CEVT_R4K
275 select CSRC_R4K
276 select DMA_NONCOHERENT
277 select GENERIC_ISA_DMA
278 select HAVE_PCSPKR_PLATFORM
279 select IRQ_CPU
280 select IRQ_GIC
281 select HW_HAS_PCI
282 select I8253
283 select I8259
284 select MIPS_BOARDS_GEN
285 select MIPS_BONITO64
286 select MIPS_CPU_SCACHE
287 select PCI_GT64XXX_PCI0
288 select MIPS_MSC
289 select SWAP_IO_SPACE
290 select SYS_HAS_CPU_MIPS32_R1
291 select SYS_HAS_CPU_MIPS32_R2
292 select SYS_HAS_CPU_MIPS64_R1
293 select SYS_HAS_CPU_MIPS64_R2
294 select SYS_HAS_CPU_NEVADA
295 select SYS_HAS_CPU_RM7000
296 select SYS_HAS_EARLY_PRINTK
297 select SYS_SUPPORTS_32BIT_KERNEL
298 select SYS_SUPPORTS_64BIT_KERNEL
299 select SYS_SUPPORTS_BIG_ENDIAN
300 select SYS_SUPPORTS_LITTLE_ENDIAN
301 select SYS_SUPPORTS_MIPS_CMP
302 select SYS_SUPPORTS_MULTITHREADING
303 select SYS_SUPPORTS_SMARTMIPS
304 select SYS_SUPPORTS_ZBOOT
305 help
306 This enables support for the MIPS Technologies Malta evaluation
307 board.
308
309 config MIPS_SIM
310 bool 'MIPS simulator (MIPSsim)'
311 select CEVT_R4K
312 select CSRC_R4K
313 select DMA_NONCOHERENT
314 select SYS_HAS_EARLY_PRINTK
315 select IRQ_CPU
316 select BOOT_RAW
317 select SYS_HAS_CPU_MIPS32_R1
318 select SYS_HAS_CPU_MIPS32_R2
319 select SYS_HAS_EARLY_PRINTK
320 select SYS_SUPPORTS_32BIT_KERNEL
321 select SYS_SUPPORTS_BIG_ENDIAN
322 select SYS_SUPPORTS_MULTITHREADING
323 select SYS_SUPPORTS_LITTLE_ENDIAN
324 help
325 This option enables support for MIPS Technologies MIPSsim software
326 emulator.
327
328 config NEC_MARKEINS
329 bool "NEC EMMA2RH Mark-eins board"
330 select SOC_EMMA2RH
331 select HW_HAS_PCI
332 help
333 This enables support for the NEC Electronics Mark-eins boards.
334
335 config MACH_VR41XX
336 bool "NEC VR4100 series based machines"
337 select CEVT_R4K
338 select CSRC_R4K
339 select SYS_HAS_CPU_VR41XX
340 select ARCH_REQUIRE_GPIOLIB
341
342 config NXP_STB220
343 bool "NXP STB220 board"
344 select SOC_PNX833X
345 help
346 Support for NXP Semiconductors STB220 Development Board.
347
348 config NXP_STB225
349 bool "NXP 225 board"
350 select SOC_PNX833X
351 select SOC_PNX8335
352 help
353 Support for NXP Semiconductors STB225 Development Board.
354
355 config PNX8550_JBS
356 bool "NXP PNX8550 based JBS board"
357 select PNX8550
358 select SYS_SUPPORTS_LITTLE_ENDIAN
359
360 config PNX8550_STB810
361 bool "NXP PNX8550 based STB810 board"
362 select PNX8550
363 select SYS_SUPPORTS_LITTLE_ENDIAN
364
365 config PMC_MSP
366 bool "PMC-Sierra MSP chipsets"
367 depends on EXPERIMENTAL
368 select CEVT_R4K
369 select CSRC_R4K
370 select DMA_NONCOHERENT
371 select SWAP_IO_SPACE
372 select NO_EXCEPT_FILL
373 select BOOT_RAW
374 select SYS_HAS_CPU_MIPS32_R1
375 select SYS_HAS_CPU_MIPS32_R2
376 select SYS_SUPPORTS_32BIT_KERNEL
377 select SYS_SUPPORTS_BIG_ENDIAN
378 select IRQ_CPU
379 select SERIAL_8250
380 select SERIAL_8250_CONSOLE
381 help
382 This adds support for the PMC-Sierra family of Multi-Service
383 Processor System-On-A-Chips. These parts include a number
384 of integrated peripherals, interfaces and DSPs in addition to
385 a variety of MIPS cores.
386
387 config PMC_YOSEMITE
388 bool "PMC-Sierra Yosemite eval board"
389 select CEVT_R4K
390 select CSRC_R4K
391 select DMA_COHERENT
392 select HW_HAS_PCI
393 select IRQ_CPU
394 select IRQ_CPU_RM7K
395 select IRQ_CPU_RM9K
396 select SWAP_IO_SPACE
397 select SYS_HAS_CPU_RM9000
398 select SYS_HAS_EARLY_PRINTK
399 select SYS_SUPPORTS_32BIT_KERNEL
400 select SYS_SUPPORTS_64BIT_KERNEL
401 select SYS_SUPPORTS_BIG_ENDIAN
402 select SYS_SUPPORTS_HIGHMEM
403 select SYS_SUPPORTS_SMP
404 help
405 Yosemite is an evaluation board for the RM9000x2 processor
406 manufactured by PMC-Sierra.
407
408 config POWERTV
409 bool "Cisco PowerTV"
410 select BOOT_ELF32
411 select CEVT_R4K
412 select CPU_MIPSR2_IRQ_VI
413 select CPU_MIPSR2_IRQ_EI
414 select CSRC_POWERTV
415 select DMA_NONCOHERENT
416 select HW_HAS_PCI
417 select SYS_HAS_EARLY_PRINTK
418 select SYS_HAS_CPU_MIPS32_R2
419 select SYS_SUPPORTS_32BIT_KERNEL
420 select SYS_SUPPORTS_BIG_ENDIAN
421 select SYS_SUPPORTS_HIGHMEM
422 select USB_OHCI_LITTLE_ENDIAN
423 help
424 This enables support for the Cisco PowerTV Platform.
425
426 config SGI_IP22
427 bool "SGI IP22 (Indy/Indigo2)"
428 select ARC
429 select ARC32
430 select BOOT_ELF32
431 select CEVT_R4K
432 select CSRC_R4K
433 select DEFAULT_SGI_PARTITION
434 select DMA_NONCOHERENT
435 select HW_HAS_EISA
436 select I8253
437 select I8259
438 select IP22_CPU_SCACHE
439 select IRQ_CPU
440 select GENERIC_ISA_DMA_SUPPORT_BROKEN
441 select SGI_HAS_I8042
442 select SGI_HAS_INDYDOG
443 select SGI_HAS_HAL2
444 select SGI_HAS_SEEQ
445 select SGI_HAS_WD93
446 select SGI_HAS_ZILOG
447 select SWAP_IO_SPACE
448 select SYS_HAS_CPU_R4X00
449 select SYS_HAS_CPU_R5000
450 #
451 # Disable EARLY_PRINTK for now since it leads to overwritten prom
452 # memory during early boot on some machines.
453 #
454 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
455 # for a more details discussion
456 #
457 # select SYS_HAS_EARLY_PRINTK
458 select SYS_SUPPORTS_32BIT_KERNEL
459 select SYS_SUPPORTS_64BIT_KERNEL
460 select SYS_SUPPORTS_BIG_ENDIAN
461 help
462 This are the SGI Indy, Challenge S and Indigo2, as well as certain
463 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
464 that runs on these, say Y here.
465
466 config SGI_IP27
467 bool "SGI IP27 (Origin200/2000)"
468 select ARC
469 select ARC64
470 select BOOT_ELF64
471 select DEFAULT_SGI_PARTITION
472 select DMA_COHERENT
473 select SYS_HAS_EARLY_PRINTK
474 select HW_HAS_PCI
475 select NR_CPUS_DEFAULT_64
476 select SYS_HAS_CPU_R10000
477 select SYS_SUPPORTS_64BIT_KERNEL
478 select SYS_SUPPORTS_BIG_ENDIAN
479 select SYS_SUPPORTS_NUMA
480 select SYS_SUPPORTS_SMP
481 help
482 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
483 workstations. To compile a Linux kernel that runs on these, say Y
484 here.
485
486 config SGI_IP28
487 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
488 depends on EXPERIMENTAL
489 select ARC
490 select ARC64
491 select BOOT_ELF64
492 select CEVT_R4K
493 select CSRC_R4K
494 select DEFAULT_SGI_PARTITION
495 select DMA_NONCOHERENT
496 select GENERIC_ISA_DMA_SUPPORT_BROKEN
497 select IRQ_CPU
498 select HW_HAS_EISA
499 select I8253
500 select I8259
501 select SGI_HAS_I8042
502 select SGI_HAS_INDYDOG
503 select SGI_HAS_HAL2
504 select SGI_HAS_SEEQ
505 select SGI_HAS_WD93
506 select SGI_HAS_ZILOG
507 select SWAP_IO_SPACE
508 select SYS_HAS_CPU_R10000
509 #
510 # Disable EARLY_PRINTK for now since it leads to overwritten prom
511 # memory during early boot on some machines.
512 #
513 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
514 # for a more details discussion
515 #
516 # select SYS_HAS_EARLY_PRINTK
517 select SYS_SUPPORTS_64BIT_KERNEL
518 select SYS_SUPPORTS_BIG_ENDIAN
519 help
520 This is the SGI Indigo2 with R10000 processor. To compile a Linux
521 kernel that runs on these, say Y here.
522
523 config SGI_IP32
524 bool "SGI IP32 (O2)"
525 select ARC
526 select ARC32
527 select BOOT_ELF32
528 select CEVT_R4K
529 select CSRC_R4K
530 select DMA_NONCOHERENT
531 select HW_HAS_PCI
532 select IRQ_CPU
533 select R5000_CPU_SCACHE
534 select RM7000_CPU_SCACHE
535 select SYS_HAS_CPU_R5000
536 select SYS_HAS_CPU_R10000 if BROKEN
537 select SYS_HAS_CPU_RM7000
538 select SYS_HAS_CPU_NEVADA
539 select SYS_SUPPORTS_64BIT_KERNEL
540 select SYS_SUPPORTS_BIG_ENDIAN
541 help
542 If you want this kernel to run on SGI O2 workstation, say Y here.
543
544 config SIBYTE_CRHINE
545 bool "Sibyte BCM91120C-CRhine"
546 depends on EXPERIMENTAL
547 select BOOT_ELF32
548 select DMA_COHERENT
549 select SIBYTE_BCM1120
550 select SWAP_IO_SPACE
551 select SYS_HAS_CPU_SB1
552 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_LITTLE_ENDIAN
554
555 config SIBYTE_CARMEL
556 bool "Sibyte BCM91120x-Carmel"
557 depends on EXPERIMENTAL
558 select BOOT_ELF32
559 select DMA_COHERENT
560 select SIBYTE_BCM1120
561 select SWAP_IO_SPACE
562 select SYS_HAS_CPU_SB1
563 select SYS_SUPPORTS_BIG_ENDIAN
564 select SYS_SUPPORTS_LITTLE_ENDIAN
565
566 config SIBYTE_CRHONE
567 bool "Sibyte BCM91125C-CRhone"
568 depends on EXPERIMENTAL
569 select BOOT_ELF32
570 select DMA_COHERENT
571 select SIBYTE_BCM1125
572 select SWAP_IO_SPACE
573 select SYS_HAS_CPU_SB1
574 select SYS_SUPPORTS_BIG_ENDIAN
575 select SYS_SUPPORTS_HIGHMEM
576 select SYS_SUPPORTS_LITTLE_ENDIAN
577
578 config SIBYTE_RHONE
579 bool "Sibyte BCM91125E-Rhone"
580 depends on EXPERIMENTAL
581 select BOOT_ELF32
582 select DMA_COHERENT
583 select SIBYTE_BCM1125H
584 select SWAP_IO_SPACE
585 select SYS_HAS_CPU_SB1
586 select SYS_SUPPORTS_BIG_ENDIAN
587 select SYS_SUPPORTS_LITTLE_ENDIAN
588
589 config SIBYTE_SWARM
590 bool "Sibyte BCM91250A-SWARM"
591 select BOOT_ELF32
592 select DMA_COHERENT
593 select HAVE_PATA_PLATFORM
594 select NR_CPUS_DEFAULT_2
595 select SIBYTE_SB1250
596 select SWAP_IO_SPACE
597 select SYS_HAS_CPU_SB1
598 select SYS_SUPPORTS_BIG_ENDIAN
599 select SYS_SUPPORTS_HIGHMEM
600 select SYS_SUPPORTS_LITTLE_ENDIAN
601 select ZONE_DMA32 if 64BIT
602
603 config SIBYTE_LITTLESUR
604 bool "Sibyte BCM91250C2-LittleSur"
605 depends on EXPERIMENTAL
606 select BOOT_ELF32
607 select DMA_COHERENT
608 select HAVE_PATA_PLATFORM
609 select NR_CPUS_DEFAULT_2
610 select SIBYTE_SB1250
611 select SWAP_IO_SPACE
612 select SYS_HAS_CPU_SB1
613 select SYS_SUPPORTS_BIG_ENDIAN
614 select SYS_SUPPORTS_HIGHMEM
615 select SYS_SUPPORTS_LITTLE_ENDIAN
616
617 config SIBYTE_SENTOSA
618 bool "Sibyte BCM91250E-Sentosa"
619 depends on EXPERIMENTAL
620 select BOOT_ELF32
621 select DMA_COHERENT
622 select NR_CPUS_DEFAULT_2
623 select SIBYTE_SB1250
624 select SWAP_IO_SPACE
625 select SYS_HAS_CPU_SB1
626 select SYS_SUPPORTS_BIG_ENDIAN
627 select SYS_SUPPORTS_LITTLE_ENDIAN
628
629 config SIBYTE_BIGSUR
630 bool "Sibyte BCM91480B-BigSur"
631 select BOOT_ELF32
632 select DMA_COHERENT
633 select NR_CPUS_DEFAULT_4
634 select SIBYTE_BCM1x80
635 select SWAP_IO_SPACE
636 select SYS_HAS_CPU_SB1
637 select SYS_SUPPORTS_BIG_ENDIAN
638 select SYS_SUPPORTS_HIGHMEM
639 select SYS_SUPPORTS_LITTLE_ENDIAN
640 select ZONE_DMA32 if 64BIT
641
642 config SNI_RM
643 bool "SNI RM200/300/400"
644 select ARC if CPU_LITTLE_ENDIAN
645 select ARC32 if CPU_LITTLE_ENDIAN
646 select SNIPROM if CPU_BIG_ENDIAN
647 select ARCH_MAY_HAVE_PC_FDC
648 select BOOT_ELF32
649 select CEVT_R4K
650 select CSRC_R4K
651 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
652 select DMA_NONCOHERENT
653 select GENERIC_ISA_DMA
654 select HAVE_PCSPKR_PLATFORM
655 select HW_HAS_EISA
656 select HW_HAS_PCI
657 select IRQ_CPU
658 select I8253
659 select I8259
660 select ISA
661 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
662 select SYS_HAS_CPU_R4X00
663 select SYS_HAS_CPU_R5000
664 select SYS_HAS_CPU_R10000
665 select R5000_CPU_SCACHE
666 select SYS_HAS_EARLY_PRINTK
667 select SYS_SUPPORTS_32BIT_KERNEL
668 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
669 select SYS_SUPPORTS_BIG_ENDIAN
670 select SYS_SUPPORTS_HIGHMEM
671 select SYS_SUPPORTS_LITTLE_ENDIAN
672 help
673 The SNI RM200/300/400 are MIPS-based machines manufactured by
674 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
675 Technology and now in turn merged with Fujitsu. Say Y here to
676 support this machine type.
677
678 config MACH_TX39XX
679 bool "Toshiba TX39 series based machines"
680
681 config MACH_TX49XX
682 bool "Toshiba TX49 series based machines"
683
684 config MIKROTIK_RB532
685 bool "Mikrotik RB532 boards"
686 select CEVT_R4K
687 select CSRC_R4K
688 select DMA_NONCOHERENT
689 select HW_HAS_PCI
690 select IRQ_CPU
691 select SYS_HAS_CPU_MIPS32_R1
692 select SYS_SUPPORTS_32BIT_KERNEL
693 select SYS_SUPPORTS_LITTLE_ENDIAN
694 select SWAP_IO_SPACE
695 select BOOT_RAW
696 select ARCH_REQUIRE_GPIOLIB
697 help
698 Support the Mikrotik(tm) RouterBoard 532 series,
699 based on the IDT RC32434 SoC.
700
701 config WR_PPMC
702 bool "Wind River PPMC board"
703 select CEVT_R4K
704 select CSRC_R4K
705 select IRQ_CPU
706 select BOOT_ELF32
707 select DMA_NONCOHERENT
708 select HW_HAS_PCI
709 select PCI_GT64XXX_PCI0
710 select SWAP_IO_SPACE
711 select SYS_HAS_CPU_MIPS32_R1
712 select SYS_HAS_CPU_MIPS32_R2
713 select SYS_HAS_CPU_MIPS64_R1
714 select SYS_HAS_CPU_NEVADA
715 select SYS_HAS_CPU_RM7000
716 select SYS_SUPPORTS_32BIT_KERNEL
717 select SYS_SUPPORTS_64BIT_KERNEL
718 select SYS_SUPPORTS_BIG_ENDIAN
719 select SYS_SUPPORTS_LITTLE_ENDIAN
720 help
721 This enables support for the Wind River MIPS32 4KC PPMC evaluation
722 board, which is based on GT64120 bridge chip.
723
724 config CAVIUM_OCTEON_SIMULATOR
725 bool "Cavium Networks Octeon Simulator"
726 select CEVT_R4K
727 select 64BIT_PHYS_ADDR
728 select DMA_COHERENT
729 select SYS_SUPPORTS_64BIT_KERNEL
730 select SYS_SUPPORTS_BIG_ENDIAN
731 select SYS_SUPPORTS_HOTPLUG_CPU
732 select SYS_HAS_CPU_CAVIUM_OCTEON
733 select HOLES_IN_ZONE
734 help
735 The Octeon simulator is software performance model of the Cavium
736 Octeon Processor. It supports simulating Octeon processors on x86
737 hardware.
738
739 config CAVIUM_OCTEON_REFERENCE_BOARD
740 bool "Cavium Networks Octeon reference board"
741 select CEVT_R4K
742 select 64BIT_PHYS_ADDR
743 select DMA_COHERENT
744 select SYS_SUPPORTS_64BIT_KERNEL
745 select SYS_SUPPORTS_BIG_ENDIAN
746 select SYS_SUPPORTS_HOTPLUG_CPU
747 select SYS_HAS_EARLY_PRINTK
748 select SYS_HAS_CPU_CAVIUM_OCTEON
749 select SWAP_IO_SPACE
750 select HW_HAS_PCI
751 select ARCH_SUPPORTS_MSI
752 select ZONE_DMA32
753 select USB_ARCH_HAS_OHCI
754 select USB_ARCH_HAS_EHCI
755 select HOLES_IN_ZONE
756 help
757 This option supports all of the Octeon reference boards from Cavium
758 Networks. It builds a kernel that dynamically determines the Octeon
759 CPU type and supports all known board reference implementations.
760 Some of the supported boards are:
761 EBT3000
762 EBH3000
763 EBH3100
764 Thunder
765 Kodama
766 Hikari
767 Say Y here for most Octeon reference boards.
768
769 config NLM_XLR_BOARD
770 bool "Netlogic XLR/XLS based systems"
771 depends on EXPERIMENTAL
772 select BOOT_ELF32
773 select NLM_COMMON
774 select SYS_HAS_CPU_XLR
775 select SYS_SUPPORTS_SMP
776 select HW_HAS_PCI
777 select SWAP_IO_SPACE
778 select SYS_SUPPORTS_32BIT_KERNEL
779 select SYS_SUPPORTS_64BIT_KERNEL
780 select 64BIT_PHYS_ADDR
781 select SYS_SUPPORTS_BIG_ENDIAN
782 select SYS_SUPPORTS_HIGHMEM
783 select DMA_COHERENT
784 select NR_CPUS_DEFAULT_32
785 select CEVT_R4K
786 select CSRC_R4K
787 select IRQ_CPU
788 select ARCH_SUPPORTS_MSI
789 select ZONE_DMA if 64BIT
790 select SYNC_R4K
791 select SYS_HAS_EARLY_PRINTK
792 help
793 Support for systems based on Netlogic XLR and XLS processors.
794 Say Y here if you have a XLR or XLS based board.
795
796 config NLM_XLP_BOARD
797 bool "Netlogic XLP based systems"
798 depends on EXPERIMENTAL
799 select BOOT_ELF32
800 select NLM_COMMON
801 select SYS_HAS_CPU_XLP
802 select SYS_SUPPORTS_SMP
803 select HW_HAS_PCI
804 select SWAP_IO_SPACE
805 select SYS_SUPPORTS_32BIT_KERNEL
806 select SYS_SUPPORTS_64BIT_KERNEL
807 select 64BIT_PHYS_ADDR
808 select SYS_SUPPORTS_BIG_ENDIAN
809 select SYS_SUPPORTS_LITTLE_ENDIAN
810 select SYS_SUPPORTS_HIGHMEM
811 select DMA_COHERENT
812 select NR_CPUS_DEFAULT_32
813 select CEVT_R4K
814 select CSRC_R4K
815 select IRQ_CPU
816 select ZONE_DMA if 64BIT
817 select SYNC_R4K
818 select SYS_HAS_EARLY_PRINTK
819 help
820 This board is based on Netlogic XLP Processor.
821 Say Y here if you have a XLP based board.
822
823 endchoice
824
825 source "arch/mips/alchemy/Kconfig"
826 source "arch/mips/ath79/Kconfig"
827 source "arch/mips/bcm47xx/Kconfig"
828 source "arch/mips/bcm63xx/Kconfig"
829 source "arch/mips/jazz/Kconfig"
830 source "arch/mips/jz4740/Kconfig"
831 source "arch/mips/lantiq/Kconfig"
832 source "arch/mips/lasat/Kconfig"
833 source "arch/mips/pmc-sierra/Kconfig"
834 source "arch/mips/powertv/Kconfig"
835 source "arch/mips/sgi-ip27/Kconfig"
836 source "arch/mips/sibyte/Kconfig"
837 source "arch/mips/txx9/Kconfig"
838 source "arch/mips/vr41xx/Kconfig"
839 source "arch/mips/cavium-octeon/Kconfig"
840 source "arch/mips/loongson/Kconfig"
841 source "arch/mips/netlogic/Kconfig"
842
843 endmenu
844
845 config RWSEM_GENERIC_SPINLOCK
846 bool
847 default y
848
849 config RWSEM_XCHGADD_ALGORITHM
850 bool
851
852 config ARCH_HAS_ILOG2_U32
853 bool
854 default n
855
856 config ARCH_HAS_ILOG2_U64
857 bool
858 default n
859
860 config GENERIC_HWEIGHT
861 bool
862 default y
863
864 config GENERIC_CALIBRATE_DELAY
865 bool
866 default y
867
868 config SCHED_OMIT_FRAME_POINTER
869 bool
870 default y
871
872 #
873 # Select some configuration options automatically based on user selections.
874 #
875 config ARC
876 bool
877
878 config ARCH_MAY_HAVE_PC_FDC
879 bool
880
881 config BOOT_RAW
882 bool
883
884 config CEVT_BCM1480
885 bool
886
887 config CEVT_DS1287
888 bool
889
890 config CEVT_GT641XX
891 bool
892
893 config CEVT_R4K_LIB
894 bool
895
896 config CEVT_R4K
897 select CEVT_R4K_LIB
898 bool
899
900 config CEVT_SB1250
901 bool
902
903 config CEVT_TXX9
904 bool
905
906 config CSRC_BCM1480
907 bool
908
909 config CSRC_IOASIC
910 bool
911
912 config CSRC_POWERTV
913 bool
914
915 config CSRC_R4K_LIB
916 bool
917
918 config CSRC_R4K
919 select CSRC_R4K_LIB
920 bool
921
922 config CSRC_SB1250
923 bool
924
925 config GPIO_TXX9
926 select GENERIC_GPIO
927 select ARCH_REQUIRE_GPIOLIB
928 bool
929
930 config CFE
931 bool
932
933 config ARCH_DMA_ADDR_T_64BIT
934 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
935
936 config DMA_COHERENT
937 bool
938
939 config DMA_NONCOHERENT
940 bool
941 select NEED_DMA_MAP_STATE
942
943 config NEED_DMA_MAP_STATE
944 bool
945
946 config SYS_HAS_EARLY_PRINTK
947 bool
948
949 config HOTPLUG_CPU
950 bool "Support for hot-pluggable CPUs"
951 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
952 help
953 Say Y here to allow turning CPUs off and on. CPUs can be
954 controlled through /sys/devices/system/cpu.
955 (Note: power management support will enable this option
956 automatically on SMP systems. )
957 Say N if you want to disable CPU hotplug.
958
959 config SYS_SUPPORTS_HOTPLUG_CPU
960 bool
961
962 config I8259
963 bool
964
965 config MIPS_BONITO64
966 bool
967
968 config MIPS_MSC
969 bool
970
971 config MIPS_NILE4
972 bool
973
974 config MIPS_DISABLE_OBSOLETE_IDE
975 bool
976
977 config SYNC_R4K
978 bool
979
980 config MIPS_MACHINE
981 def_bool n
982
983 config NO_IOPORT
984 def_bool n
985
986 config GENERIC_ISA_DMA
987 bool
988 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
989 select ISA_DMA_API
990
991 config GENERIC_ISA_DMA_SUPPORT_BROKEN
992 bool
993 select GENERIC_ISA_DMA
994
995 config ISA_DMA_API
996 bool
997
998 config GENERIC_GPIO
999 bool
1000
1001 config HOLES_IN_ZONE
1002 bool
1003
1004 #
1005 # Endianness selection. Sufficiently obscure so many users don't know what to
1006 # answer,so we try hard to limit the available choices. Also the use of a
1007 # choice statement should be more obvious to the user.
1008 #
1009 choice
1010 prompt "Endianness selection"
1011 help
1012 Some MIPS machines can be configured for either little or big endian
1013 byte order. These modes require different kernels and a different
1014 Linux distribution. In general there is one preferred byteorder for a
1015 particular system but some systems are just as commonly used in the
1016 one or the other endianness.
1017
1018 config CPU_BIG_ENDIAN
1019 bool "Big endian"
1020 depends on SYS_SUPPORTS_BIG_ENDIAN
1021
1022 config CPU_LITTLE_ENDIAN
1023 bool "Little endian"
1024 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1025 help
1026
1027 endchoice
1028
1029 config EXPORT_UASM
1030 bool
1031
1032 config SYS_SUPPORTS_APM_EMULATION
1033 bool
1034
1035 config SYS_SUPPORTS_BIG_ENDIAN
1036 bool
1037
1038 config SYS_SUPPORTS_LITTLE_ENDIAN
1039 bool
1040
1041 config SYS_SUPPORTS_HUGETLBFS
1042 bool
1043 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1044 default y
1045
1046 config IRQ_CPU
1047 bool
1048
1049 config IRQ_CPU_RM7K
1050 bool
1051
1052 config IRQ_CPU_RM9K
1053 bool
1054
1055 config IRQ_MSP_SLP
1056 bool
1057
1058 config IRQ_MSP_CIC
1059 bool
1060
1061 config IRQ_TXX9
1062 bool
1063
1064 config IRQ_GT641XX
1065 bool
1066
1067 config IRQ_GIC
1068 bool
1069
1070 config MIPS_BOARDS_GEN
1071 bool
1072
1073 config PCI_GT64XXX_PCI0
1074 bool
1075
1076 config NO_EXCEPT_FILL
1077 bool
1078
1079 config MIPS_RM9122
1080 bool
1081 select SERIAL_RM9000
1082
1083 config SOC_EMMA2RH
1084 bool
1085 select CEVT_R4K
1086 select CSRC_R4K
1087 select DMA_NONCOHERENT
1088 select IRQ_CPU
1089 select SWAP_IO_SPACE
1090 select SYS_HAS_CPU_R5500
1091 select SYS_SUPPORTS_32BIT_KERNEL
1092 select SYS_SUPPORTS_64BIT_KERNEL
1093 select SYS_SUPPORTS_BIG_ENDIAN
1094
1095 config SOC_PNX833X
1096 bool
1097 select CEVT_R4K
1098 select CSRC_R4K
1099 select IRQ_CPU
1100 select DMA_NONCOHERENT
1101 select SYS_HAS_CPU_MIPS32_R2
1102 select SYS_SUPPORTS_32BIT_KERNEL
1103 select SYS_SUPPORTS_LITTLE_ENDIAN
1104 select SYS_SUPPORTS_BIG_ENDIAN
1105 select GENERIC_GPIO
1106 select CPU_MIPSR2_IRQ_VI
1107
1108 config SOC_PNX8335
1109 bool
1110 select SOC_PNX833X
1111
1112 config PNX8550
1113 bool
1114 select SOC_PNX8550
1115
1116 config SOC_PNX8550
1117 bool
1118 select DMA_NONCOHERENT
1119 select HW_HAS_PCI
1120 select SYS_HAS_CPU_MIPS32_R1
1121 select SYS_HAS_EARLY_PRINTK
1122 select SYS_SUPPORTS_32BIT_KERNEL
1123 select GENERIC_GPIO
1124
1125 config SWAP_IO_SPACE
1126 bool
1127
1128 config SERIAL_RM9000
1129 bool
1130
1131 config SGI_HAS_INDYDOG
1132 bool
1133
1134 config SGI_HAS_HAL2
1135 bool
1136
1137 config SGI_HAS_SEEQ
1138 bool
1139
1140 config SGI_HAS_WD93
1141 bool
1142
1143 config SGI_HAS_ZILOG
1144 bool
1145
1146 config SGI_HAS_I8042
1147 bool
1148
1149 config DEFAULT_SGI_PARTITION
1150 bool
1151
1152 config ARC32
1153 bool
1154
1155 config SNIPROM
1156 bool
1157
1158 config BOOT_ELF32
1159 bool
1160
1161 config MIPS_L1_CACHE_SHIFT
1162 int
1163 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1164 default "6" if MIPS_CPU_SCACHE
1165 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1166 default "5"
1167
1168 config HAVE_STD_PC_SERIAL_PORT
1169 bool
1170
1171 config ARC_CONSOLE
1172 bool "ARC console support"
1173 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1174
1175 config ARC_MEMORY
1176 bool
1177 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1178 default y
1179
1180 config ARC_PROMLIB
1181 bool
1182 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1183 default y
1184
1185 config ARC64
1186 bool
1187
1188 config BOOT_ELF64
1189 bool
1190
1191 menu "CPU selection"
1192
1193 choice
1194 prompt "CPU type"
1195 default CPU_R4X00
1196
1197 config CPU_LOONGSON2E
1198 bool "Loongson 2E"
1199 depends on SYS_HAS_CPU_LOONGSON2E
1200 select CPU_LOONGSON2
1201 help
1202 The Loongson 2E processor implements the MIPS III instruction set
1203 with many extensions.
1204
1205 It has an internal FPGA northbridge, which is compatible to
1206 bonito64.
1207
1208 config CPU_LOONGSON2F
1209 bool "Loongson 2F"
1210 depends on SYS_HAS_CPU_LOONGSON2F
1211 select CPU_LOONGSON2
1212 select GENERIC_GPIO
1213 select ARCH_REQUIRE_GPIOLIB
1214 help
1215 The Loongson 2F processor implements the MIPS III instruction set
1216 with many extensions.
1217
1218 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1219 have a similar programming interface with FPGA northbridge used in
1220 Loongson2E.
1221
1222 config CPU_MIPS32_R1
1223 bool "MIPS32 Release 1"
1224 depends on SYS_HAS_CPU_MIPS32_R1
1225 select CPU_HAS_PREFETCH
1226 select CPU_SUPPORTS_32BIT_KERNEL
1227 select CPU_SUPPORTS_HIGHMEM
1228 help
1229 Choose this option to build a kernel for release 1 or later of the
1230 MIPS32 architecture. Most modern embedded systems with a 32-bit
1231 MIPS processor are based on a MIPS32 processor. If you know the
1232 specific type of processor in your system, choose those that one
1233 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1234 Release 2 of the MIPS32 architecture is available since several
1235 years so chances are you even have a MIPS32 Release 2 processor
1236 in which case you should choose CPU_MIPS32_R2 instead for better
1237 performance.
1238
1239 config CPU_MIPS32_R2
1240 bool "MIPS32 Release 2"
1241 depends on SYS_HAS_CPU_MIPS32_R2
1242 select CPU_HAS_PREFETCH
1243 select CPU_SUPPORTS_32BIT_KERNEL
1244 select CPU_SUPPORTS_HIGHMEM
1245 help
1246 Choose this option to build a kernel for release 2 or later of the
1247 MIPS32 architecture. Most modern embedded systems with a 32-bit
1248 MIPS processor are based on a MIPS32 processor. If you know the
1249 specific type of processor in your system, choose those that one
1250 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1251
1252 config CPU_MIPS64_R1
1253 bool "MIPS64 Release 1"
1254 depends on SYS_HAS_CPU_MIPS64_R1
1255 select CPU_HAS_PREFETCH
1256 select CPU_SUPPORTS_32BIT_KERNEL
1257 select CPU_SUPPORTS_64BIT_KERNEL
1258 select CPU_SUPPORTS_HIGHMEM
1259 select CPU_SUPPORTS_HUGEPAGES
1260 help
1261 Choose this option to build a kernel for release 1 or later of the
1262 MIPS64 architecture. Many modern embedded systems with a 64-bit
1263 MIPS processor are based on a MIPS64 processor. If you know the
1264 specific type of processor in your system, choose those that one
1265 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1266 Release 2 of the MIPS64 architecture is available since several
1267 years so chances are you even have a MIPS64 Release 2 processor
1268 in which case you should choose CPU_MIPS64_R2 instead for better
1269 performance.
1270
1271 config CPU_MIPS64_R2
1272 bool "MIPS64 Release 2"
1273 depends on SYS_HAS_CPU_MIPS64_R2
1274 select CPU_HAS_PREFETCH
1275 select CPU_SUPPORTS_32BIT_KERNEL
1276 select CPU_SUPPORTS_64BIT_KERNEL
1277 select CPU_SUPPORTS_HIGHMEM
1278 select CPU_SUPPORTS_HUGEPAGES
1279 help
1280 Choose this option to build a kernel for release 2 or later of the
1281 MIPS64 architecture. Many modern embedded systems with a 64-bit
1282 MIPS processor are based on a MIPS64 processor. If you know the
1283 specific type of processor in your system, choose those that one
1284 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1285
1286 config CPU_R3000
1287 bool "R3000"
1288 depends on SYS_HAS_CPU_R3000
1289 select CPU_HAS_WB
1290 select CPU_SUPPORTS_32BIT_KERNEL
1291 select CPU_SUPPORTS_HIGHMEM
1292 help
1293 Please make sure to pick the right CPU type. Linux/MIPS is not
1294 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1295 *not* work on R4000 machines and vice versa. However, since most
1296 of the supported machines have an R4000 (or similar) CPU, R4x00
1297 might be a safe bet. If the resulting kernel does not work,
1298 try to recompile with R3000.
1299
1300 config CPU_TX39XX
1301 bool "R39XX"
1302 depends on SYS_HAS_CPU_TX39XX
1303 select CPU_SUPPORTS_32BIT_KERNEL
1304
1305 config CPU_VR41XX
1306 bool "R41xx"
1307 depends on SYS_HAS_CPU_VR41XX
1308 select CPU_SUPPORTS_32BIT_KERNEL
1309 select CPU_SUPPORTS_64BIT_KERNEL
1310 help
1311 The options selects support for the NEC VR4100 series of processors.
1312 Only choose this option if you have one of these processors as a
1313 kernel built with this option will not run on any other type of
1314 processor or vice versa.
1315
1316 config CPU_R4300
1317 bool "R4300"
1318 depends on SYS_HAS_CPU_R4300
1319 select CPU_SUPPORTS_32BIT_KERNEL
1320 select CPU_SUPPORTS_64BIT_KERNEL
1321 help
1322 MIPS Technologies R4300-series processors.
1323
1324 config CPU_R4X00
1325 bool "R4x00"
1326 depends on SYS_HAS_CPU_R4X00
1327 select CPU_SUPPORTS_32BIT_KERNEL
1328 select CPU_SUPPORTS_64BIT_KERNEL
1329 help
1330 MIPS Technologies R4000-series processors other than 4300, including
1331 the R4000, R4400, R4600, and 4700.
1332
1333 config CPU_TX49XX
1334 bool "R49XX"
1335 depends on SYS_HAS_CPU_TX49XX
1336 select CPU_HAS_PREFETCH
1337 select CPU_SUPPORTS_32BIT_KERNEL
1338 select CPU_SUPPORTS_64BIT_KERNEL
1339
1340 config CPU_R5000
1341 bool "R5000"
1342 depends on SYS_HAS_CPU_R5000
1343 select CPU_SUPPORTS_32BIT_KERNEL
1344 select CPU_SUPPORTS_64BIT_KERNEL
1345 help
1346 MIPS Technologies R5000-series processors other than the Nevada.
1347
1348 config CPU_R5432
1349 bool "R5432"
1350 depends on SYS_HAS_CPU_R5432
1351 select CPU_SUPPORTS_32BIT_KERNEL
1352 select CPU_SUPPORTS_64BIT_KERNEL
1353
1354 config CPU_R5500
1355 bool "R5500"
1356 depends on SYS_HAS_CPU_R5500
1357 select CPU_SUPPORTS_32BIT_KERNEL
1358 select CPU_SUPPORTS_64BIT_KERNEL
1359 select CPU_SUPPORTS_HUGEPAGES
1360 help
1361 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1362 instruction set.
1363
1364 config CPU_R6000
1365 bool "R6000"
1366 depends on EXPERIMENTAL
1367 depends on SYS_HAS_CPU_R6000
1368 select CPU_SUPPORTS_32BIT_KERNEL
1369 help
1370 MIPS Technologies R6000 and R6000A series processors. Note these
1371 processors are extremely rare and the support for them is incomplete.
1372
1373 config CPU_NEVADA
1374 bool "RM52xx"
1375 depends on SYS_HAS_CPU_NEVADA
1376 select CPU_SUPPORTS_32BIT_KERNEL
1377 select CPU_SUPPORTS_64BIT_KERNEL
1378 help
1379 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1380
1381 config CPU_R8000
1382 bool "R8000"
1383 depends on EXPERIMENTAL
1384 depends on SYS_HAS_CPU_R8000
1385 select CPU_HAS_PREFETCH
1386 select CPU_SUPPORTS_64BIT_KERNEL
1387 help
1388 MIPS Technologies R8000 processors. Note these processors are
1389 uncommon and the support for them is incomplete.
1390
1391 config CPU_R10000
1392 bool "R10000"
1393 depends on SYS_HAS_CPU_R10000
1394 select CPU_HAS_PREFETCH
1395 select CPU_SUPPORTS_32BIT_KERNEL
1396 select CPU_SUPPORTS_64BIT_KERNEL
1397 select CPU_SUPPORTS_HIGHMEM
1398 help
1399 MIPS Technologies R10000-series processors.
1400
1401 config CPU_RM7000
1402 bool "RM7000"
1403 depends on SYS_HAS_CPU_RM7000
1404 select CPU_HAS_PREFETCH
1405 select CPU_SUPPORTS_32BIT_KERNEL
1406 select CPU_SUPPORTS_64BIT_KERNEL
1407 select CPU_SUPPORTS_HIGHMEM
1408
1409 config CPU_RM9000
1410 bool "RM9000"
1411 depends on SYS_HAS_CPU_RM9000
1412 select CPU_HAS_PREFETCH
1413 select CPU_SUPPORTS_32BIT_KERNEL
1414 select CPU_SUPPORTS_64BIT_KERNEL
1415 select CPU_SUPPORTS_HIGHMEM
1416 select WEAK_ORDERING
1417
1418 config CPU_SB1
1419 bool "SB1"
1420 depends on SYS_HAS_CPU_SB1
1421 select CPU_SUPPORTS_32BIT_KERNEL
1422 select CPU_SUPPORTS_64BIT_KERNEL
1423 select CPU_SUPPORTS_HIGHMEM
1424 select WEAK_ORDERING
1425
1426 config CPU_CAVIUM_OCTEON
1427 bool "Cavium Octeon processor"
1428 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1429 select ARCH_SPARSEMEM_ENABLE
1430 select CPU_HAS_PREFETCH
1431 select CPU_SUPPORTS_64BIT_KERNEL
1432 select SYS_SUPPORTS_SMP
1433 select NR_CPUS_DEFAULT_16
1434 select WEAK_ORDERING
1435 select CPU_SUPPORTS_HIGHMEM
1436 select CPU_SUPPORTS_HUGEPAGES
1437 help
1438 The Cavium Octeon processor is a highly integrated chip containing
1439 many ethernet hardware widgets for networking tasks. The processor
1440 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1441 Full details can be found at http://www.caviumnetworks.com.
1442
1443 config CPU_BMIPS3300
1444 bool "BMIPS3300"
1445 depends on SYS_HAS_CPU_BMIPS3300
1446 select CPU_BMIPS
1447 help
1448 Broadcom BMIPS3300 processors.
1449
1450 config CPU_BMIPS4350
1451 bool "BMIPS4350"
1452 depends on SYS_HAS_CPU_BMIPS4350
1453 select CPU_BMIPS
1454 select SYS_SUPPORTS_SMP
1455 select SYS_SUPPORTS_HOTPLUG_CPU
1456 help
1457 Broadcom BMIPS4350 ("VIPER") processors.
1458
1459 config CPU_BMIPS4380
1460 bool "BMIPS4380"
1461 depends on SYS_HAS_CPU_BMIPS4380
1462 select CPU_BMIPS
1463 select SYS_SUPPORTS_SMP
1464 select SYS_SUPPORTS_HOTPLUG_CPU
1465 help
1466 Broadcom BMIPS4380 processors.
1467
1468 config CPU_BMIPS5000
1469 bool "BMIPS5000"
1470 depends on SYS_HAS_CPU_BMIPS5000
1471 select CPU_BMIPS
1472 select CPU_SUPPORTS_HIGHMEM
1473 select MIPS_CPU_SCACHE
1474 select SYS_SUPPORTS_SMP
1475 select SYS_SUPPORTS_HOTPLUG_CPU
1476 help
1477 Broadcom BMIPS5000 processors.
1478
1479 config CPU_XLR
1480 bool "Netlogic XLR SoC"
1481 depends on SYS_HAS_CPU_XLR
1482 select CPU_SUPPORTS_32BIT_KERNEL
1483 select CPU_SUPPORTS_64BIT_KERNEL
1484 select CPU_SUPPORTS_HIGHMEM
1485 select WEAK_ORDERING
1486 select WEAK_REORDERING_BEYOND_LLSC
1487 select CPU_SUPPORTS_HUGEPAGES
1488 help
1489 Netlogic Microsystems XLR/XLS processors.
1490
1491 config CPU_XLP
1492 bool "Netlogic XLP SoC"
1493 depends on SYS_HAS_CPU_XLP
1494 select CPU_SUPPORTS_32BIT_KERNEL
1495 select CPU_SUPPORTS_64BIT_KERNEL
1496 select CPU_SUPPORTS_HIGHMEM
1497 select CPU_HAS_LLSC
1498 select WEAK_ORDERING
1499 select WEAK_REORDERING_BEYOND_LLSC
1500 select CPU_HAS_PREFETCH
1501 help
1502 Netlogic Microsystems XLP processors.
1503 endchoice
1504
1505 if CPU_LOONGSON2F
1506 config CPU_NOP_WORKAROUNDS
1507 bool
1508
1509 config CPU_JUMP_WORKAROUNDS
1510 bool
1511
1512 config CPU_LOONGSON2F_WORKAROUNDS
1513 bool "Loongson 2F Workarounds"
1514 default y
1515 select CPU_NOP_WORKAROUNDS
1516 select CPU_JUMP_WORKAROUNDS
1517 help
1518 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1519 require workarounds. Without workarounds the system may hang
1520 unexpectedly. For more information please refer to the gas
1521 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1522
1523 Loongson 2F03 and later have fixed these issues and no workarounds
1524 are needed. The workarounds have no significant side effect on them
1525 but may decrease the performance of the system so this option should
1526 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1527 systems.
1528
1529 If unsure, please say Y.
1530 endif # CPU_LOONGSON2F
1531
1532 config SYS_SUPPORTS_ZBOOT
1533 bool
1534 select HAVE_KERNEL_GZIP
1535 select HAVE_KERNEL_BZIP2
1536 select HAVE_KERNEL_LZMA
1537 select HAVE_KERNEL_LZO
1538
1539 config SYS_SUPPORTS_ZBOOT_UART16550
1540 bool
1541 select SYS_SUPPORTS_ZBOOT
1542
1543 config CPU_LOONGSON2
1544 bool
1545 select CPU_SUPPORTS_32BIT_KERNEL
1546 select CPU_SUPPORTS_64BIT_KERNEL
1547 select CPU_SUPPORTS_HIGHMEM
1548
1549 config CPU_BMIPS
1550 bool
1551 select CPU_MIPS32
1552 select CPU_SUPPORTS_32BIT_KERNEL
1553 select DMA_NONCOHERENT
1554 select IRQ_CPU
1555 select SWAP_IO_SPACE
1556 select WEAK_ORDERING
1557
1558 config SYS_HAS_CPU_LOONGSON2E
1559 bool
1560
1561 config SYS_HAS_CPU_LOONGSON2F
1562 bool
1563 select CPU_SUPPORTS_CPUFREQ
1564 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1565 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1566
1567 config SYS_HAS_CPU_MIPS32_R1
1568 bool
1569
1570 config SYS_HAS_CPU_MIPS32_R2
1571 bool
1572
1573 config SYS_HAS_CPU_MIPS64_R1
1574 bool
1575
1576 config SYS_HAS_CPU_MIPS64_R2
1577 bool
1578
1579 config SYS_HAS_CPU_R3000
1580 bool
1581
1582 config SYS_HAS_CPU_TX39XX
1583 bool
1584
1585 config SYS_HAS_CPU_VR41XX
1586 bool
1587
1588 config SYS_HAS_CPU_R4300
1589 bool
1590
1591 config SYS_HAS_CPU_R4X00
1592 bool
1593
1594 config SYS_HAS_CPU_TX49XX
1595 bool
1596
1597 config SYS_HAS_CPU_R5000
1598 bool
1599
1600 config SYS_HAS_CPU_R5432
1601 bool
1602
1603 config SYS_HAS_CPU_R5500
1604 bool
1605
1606 config SYS_HAS_CPU_R6000
1607 bool
1608
1609 config SYS_HAS_CPU_NEVADA
1610 bool
1611
1612 config SYS_HAS_CPU_R8000
1613 bool
1614
1615 config SYS_HAS_CPU_R10000
1616 bool
1617
1618 config SYS_HAS_CPU_RM7000
1619 bool
1620
1621 config SYS_HAS_CPU_RM9000
1622 bool
1623
1624 config SYS_HAS_CPU_SB1
1625 bool
1626
1627 config SYS_HAS_CPU_CAVIUM_OCTEON
1628 bool
1629
1630 config SYS_HAS_CPU_BMIPS3300
1631 bool
1632
1633 config SYS_HAS_CPU_BMIPS4350
1634 bool
1635
1636 config SYS_HAS_CPU_BMIPS4380
1637 bool
1638
1639 config SYS_HAS_CPU_BMIPS5000
1640 bool
1641
1642 config SYS_HAS_CPU_XLR
1643 bool
1644
1645 config SYS_HAS_CPU_XLP
1646 bool
1647
1648 #
1649 # CPU may reorder R->R, R->W, W->R, W->W
1650 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1651 #
1652 config WEAK_ORDERING
1653 bool
1654
1655 #
1656 # CPU may reorder reads and writes beyond LL/SC
1657 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1658 #
1659 config WEAK_REORDERING_BEYOND_LLSC
1660 bool
1661 endmenu
1662
1663 #
1664 # These two indicate any level of the MIPS32 and MIPS64 architecture
1665 #
1666 config CPU_MIPS32
1667 bool
1668 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1669
1670 config CPU_MIPS64
1671 bool
1672 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1673
1674 #
1675 # These two indicate the revision of the architecture, either Release 1 or Release 2
1676 #
1677 config CPU_MIPSR1
1678 bool
1679 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1680
1681 config CPU_MIPSR2
1682 bool
1683 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1684
1685 config SYS_SUPPORTS_32BIT_KERNEL
1686 bool
1687 config SYS_SUPPORTS_64BIT_KERNEL
1688 bool
1689 config CPU_SUPPORTS_32BIT_KERNEL
1690 bool
1691 config CPU_SUPPORTS_64BIT_KERNEL
1692 bool
1693 config CPU_SUPPORTS_CPUFREQ
1694 bool
1695 config CPU_SUPPORTS_ADDRWINCFG
1696 bool
1697 config CPU_SUPPORTS_HUGEPAGES
1698 bool
1699 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1700 bool
1701 config MIPS_PGD_C0_CONTEXT
1702 bool
1703 default y if 64BIT && CPU_MIPSR2
1704
1705 #
1706 # Set to y for ptrace access to watch registers.
1707 #
1708 config HARDWARE_WATCHPOINTS
1709 bool
1710 default y if CPU_MIPSR1 || CPU_MIPSR2
1711
1712 menu "Kernel type"
1713
1714 choice
1715
1716 prompt "Kernel code model"
1717 help
1718 You should only select this option if you have a workload that
1719 actually benefits from 64-bit processing or if your machine has
1720 large memory. You will only be presented a single option in this
1721 menu if your system does not support both 32-bit and 64-bit kernels.
1722
1723 config 32BIT
1724 bool "32-bit kernel"
1725 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1726 select TRAD_SIGNALS
1727 help
1728 Select this option if you want to build a 32-bit kernel.
1729 config 64BIT
1730 bool "64-bit kernel"
1731 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1732 select HAVE_SYSCALL_WRAPPERS
1733 help
1734 Select this option if you want to build a 64-bit kernel.
1735
1736 endchoice
1737
1738 choice
1739 prompt "Kernel page size"
1740 default PAGE_SIZE_4KB
1741
1742 config PAGE_SIZE_4KB
1743 bool "4kB"
1744 depends on !CPU_LOONGSON2
1745 help
1746 This option select the standard 4kB Linux page size. On some
1747 R3000-family processors this is the only available page size. Using
1748 4kB page size will minimize memory consumption and is therefore
1749 recommended for low memory systems.
1750
1751 config PAGE_SIZE_8KB
1752 bool "8kB"
1753 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1754 help
1755 Using 8kB page size will result in higher performance kernel at
1756 the price of higher memory consumption. This option is available
1757 only on R8000 and cnMIPS processors. Note that you will need a
1758 suitable Linux distribution to support this.
1759
1760 config PAGE_SIZE_16KB
1761 bool "16kB"
1762 depends on !CPU_R3000 && !CPU_TX39XX
1763 help
1764 Using 16kB page size will result in higher performance kernel at
1765 the price of higher memory consumption. This option is available on
1766 all non-R3000 family processors. Note that you will need a suitable
1767 Linux distribution to support this.
1768
1769 config PAGE_SIZE_32KB
1770 bool "32kB"
1771 depends on CPU_CAVIUM_OCTEON
1772 help
1773 Using 32kB page size will result in higher performance kernel at
1774 the price of higher memory consumption. This option is available
1775 only on cnMIPS cores. Note that you will need a suitable Linux
1776 distribution to support this.
1777
1778 config PAGE_SIZE_64KB
1779 bool "64kB"
1780 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1781 help
1782 Using 64kB page size will result in higher performance kernel at
1783 the price of higher memory consumption. This option is available on
1784 all non-R3000 family processor. Not that at the time of this
1785 writing this option is still high experimental.
1786
1787 endchoice
1788
1789 config FORCE_MAX_ZONEORDER
1790 int "Maximum zone order"
1791 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1792 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1793 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1794 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1795 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1796 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
1797 range 11 64
1798 default "11"
1799 help
1800 The kernel memory allocator divides physically contiguous memory
1801 blocks into "zones", where each zone is a power of two number of
1802 pages. This option selects the largest power of two that the kernel
1803 keeps in the memory allocator. If you need to allocate very large
1804 blocks of physically contiguous memory, then you may need to
1805 increase this value.
1806
1807 This config option is actually maximum order plus one. For example,
1808 a value of 11 means that the largest free memory block is 2^10 pages.
1809
1810 The page size is not necessarily 4KB. Keep this in mind
1811 when choosing a value for this option.
1812
1813 config BOARD_SCACHE
1814 bool
1815
1816 config IP22_CPU_SCACHE
1817 bool
1818 select BOARD_SCACHE
1819
1820 #
1821 # Support for a MIPS32 / MIPS64 style S-caches
1822 #
1823 config MIPS_CPU_SCACHE
1824 bool
1825 select BOARD_SCACHE
1826
1827 config R5000_CPU_SCACHE
1828 bool
1829 select BOARD_SCACHE
1830
1831 config RM7000_CPU_SCACHE
1832 bool
1833 select BOARD_SCACHE
1834
1835 config SIBYTE_DMA_PAGEOPS
1836 bool "Use DMA to clear/copy pages"
1837 depends on CPU_SB1
1838 help
1839 Instead of using the CPU to zero and copy pages, use a Data Mover
1840 channel. These DMA channels are otherwise unused by the standard
1841 SiByte Linux port. Seems to give a small performance benefit.
1842
1843 config CPU_HAS_PREFETCH
1844 bool
1845
1846 choice
1847 prompt "MIPS MT options"
1848
1849 config MIPS_MT_DISABLED
1850 bool "Disable multithreading support."
1851 help
1852 Use this option if your workload can't take advantage of
1853 MIPS hardware multithreading support. On systems that don't have
1854 the option of an MT-enabled processor this option will be the only
1855 option in this menu.
1856
1857 config MIPS_MT_SMP
1858 bool "Use 1 TC on each available VPE for SMP"
1859 depends on SYS_SUPPORTS_MULTITHREADING
1860 select CPU_MIPSR2_IRQ_VI
1861 select CPU_MIPSR2_IRQ_EI
1862 select MIPS_MT
1863 select NR_CPUS_DEFAULT_2
1864 select SMP
1865 select SYS_SUPPORTS_SCHED_SMT if SMP
1866 select SYS_SUPPORTS_SMP
1867 select SMP_UP
1868 help
1869 This is a kernel model which is known a VSMP but lately has been
1870 marketesed into SMVP.
1871 Virtual SMP uses the processor's VPEs to implement virtual
1872 processors. In currently available configuration of the 34K processor
1873 this allows for a dual processor. Both processors will share the same
1874 primary caches; each will obtain the half of the TLB for it's own
1875 exclusive use. For a layman this model can be described as similar to
1876 what Intel calls Hyperthreading.
1877
1878 For further information see http://www.linux-mips.org/wiki/34K#VSMP
1879
1880 config MIPS_MT_SMTC
1881 bool "SMTC: Use all TCs on all VPEs for SMP"
1882 depends on CPU_MIPS32_R2
1883 #depends on CPU_MIPS64_R2 # once there is hardware ...
1884 depends on SYS_SUPPORTS_MULTITHREADING
1885 select CPU_MIPSR2_IRQ_VI
1886 select CPU_MIPSR2_IRQ_EI
1887 select MIPS_MT
1888 select NR_CPUS_DEFAULT_8
1889 select SMP
1890 select SYS_SUPPORTS_SMP
1891 select SMP_UP
1892 help
1893 This is a kernel model which is known a SMTC or lately has been
1894 marketesed into SMVP.
1895 is presenting the available TC's of the core as processors to Linux.
1896 On currently available 34K processors this means a Linux system will
1897 see up to 5 processors. The implementation of the SMTC kernel differs
1898 significantly from VSMP and cannot efficiently coexist in the same
1899 kernel binary so the choice between VSMP and SMTC is a compile time
1900 decision.
1901
1902 For further information see http://www.linux-mips.org/wiki/34K#SMTC
1903
1904 endchoice
1905
1906 config MIPS_MT
1907 bool
1908
1909 config SCHED_SMT
1910 bool "SMT (multithreading) scheduler support"
1911 depends on SYS_SUPPORTS_SCHED_SMT
1912 default n
1913 help
1914 SMT scheduler support improves the CPU scheduler's decision making
1915 when dealing with MIPS MT enabled cores at a cost of slightly
1916 increased overhead in some places. If unsure say N here.
1917
1918 config SYS_SUPPORTS_SCHED_SMT
1919 bool
1920
1921
1922 config SYS_SUPPORTS_MULTITHREADING
1923 bool
1924
1925 config MIPS_MT_FPAFF
1926 bool "Dynamic FPU affinity for FP-intensive threads"
1927 default y
1928 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1929
1930 config MIPS_VPE_LOADER
1931 bool "VPE loader support."
1932 depends on SYS_SUPPORTS_MULTITHREADING
1933 select CPU_MIPSR2_IRQ_VI
1934 select CPU_MIPSR2_IRQ_EI
1935 select MIPS_MT
1936 help
1937 Includes a loader for loading an elf relocatable object
1938 onto another VPE and running it.
1939
1940 config MIPS_MT_SMTC_IM_BACKSTOP
1941 bool "Use per-TC register bits as backstop for inhibited IM bits"
1942 depends on MIPS_MT_SMTC
1943 default n
1944 help
1945 To support multiple TC microthreads acting as "CPUs" within
1946 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1947 during interrupt handling. To support legacy drivers and interrupt
1948 controller management code, SMTC has a "backstop" to track and
1949 if necessary restore the interrupt mask. This has some performance
1950 impact on interrupt service overhead.
1951
1952 config MIPS_MT_SMTC_IRQAFF
1953 bool "Support IRQ affinity API"
1954 depends on MIPS_MT_SMTC
1955 default n
1956 help
1957 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1958 for SMTC Linux kernel. Requires platform support, of which
1959 an example can be found in the MIPS kernel i8259 and Malta
1960 platform code. Adds some overhead to interrupt dispatch, and
1961 should be used only if you know what you are doing.
1962
1963 config MIPS_VPE_LOADER_TOM
1964 bool "Load VPE program into memory hidden from linux"
1965 depends on MIPS_VPE_LOADER
1966 default y
1967 help
1968 The loader can use memory that is present but has been hidden from
1969 Linux using the kernel command line option "mem=xxMB". It's up to
1970 you to ensure the amount you put in the option and the space your
1971 program requires is less or equal to the amount physically present.
1972
1973 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1974 config MIPS_VPE_APSP_API
1975 bool "Enable support for AP/SP API (RTLX)"
1976 depends on MIPS_VPE_LOADER
1977 help
1978
1979 config MIPS_APSP_KSPD
1980 bool "Enable KSPD"
1981 depends on MIPS_VPE_APSP_API
1982 default y
1983 help
1984 KSPD is a kernel daemon that accepts syscall requests from the SP
1985 side, actions them and returns the results. It also handles the
1986 "exit" syscall notifying other kernel modules the SP program is
1987 exiting. You probably want to say yes here.
1988
1989 config MIPS_CMP
1990 bool "MIPS CMP framework support"
1991 depends on SYS_SUPPORTS_MIPS_CMP
1992 select SYNC_R4K
1993 select SYS_SUPPORTS_SMP
1994 select SYS_SUPPORTS_SCHED_SMT if SMP
1995 select WEAK_ORDERING
1996 default n
1997 help
1998 This is a placeholder option for the GCMP work. It will need to
1999 be handled differently...
2000
2001 config SB1_PASS_1_WORKAROUNDS
2002 bool
2003 depends on CPU_SB1_PASS_1
2004 default y
2005
2006 config SB1_PASS_2_WORKAROUNDS
2007 bool
2008 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2009 default y
2010
2011 config SB1_PASS_2_1_WORKAROUNDS
2012 bool
2013 depends on CPU_SB1 && CPU_SB1_PASS_2
2014 default y
2015
2016 config 64BIT_PHYS_ADDR
2017 bool
2018
2019 config ARCH_PHYS_ADDR_T_64BIT
2020 def_bool 64BIT_PHYS_ADDR
2021
2022 config CPU_HAS_SMARTMIPS
2023 depends on SYS_SUPPORTS_SMARTMIPS
2024 bool "Support for the SmartMIPS ASE"
2025 help
2026 SmartMIPS is a extension of the MIPS32 architecture aimed at
2027 increased security at both hardware and software level for
2028 smartcards. Enabling this option will allow proper use of the
2029 SmartMIPS instructions by Linux applications. However a kernel with
2030 this option will not work on a MIPS core without SmartMIPS core. If
2031 you don't know you probably don't have SmartMIPS and should say N
2032 here.
2033
2034 config CPU_HAS_WB
2035 bool
2036
2037 config XKS01
2038 bool
2039
2040 #
2041 # Vectored interrupt mode is an R2 feature
2042 #
2043 config CPU_MIPSR2_IRQ_VI
2044 bool
2045
2046 #
2047 # Extended interrupt mode is an R2 feature
2048 #
2049 config CPU_MIPSR2_IRQ_EI
2050 bool
2051
2052 config CPU_HAS_SYNC
2053 bool
2054 depends on !CPU_R3000
2055 default y
2056
2057 #
2058 # CPU non-features
2059 #
2060 config CPU_DADDI_WORKAROUNDS
2061 bool
2062
2063 config CPU_R4000_WORKAROUNDS
2064 bool
2065 select CPU_R4400_WORKAROUNDS
2066
2067 config CPU_R4400_WORKAROUNDS
2068 bool
2069
2070 #
2071 # - Highmem only makes sense for the 32-bit kernel.
2072 # - The current highmem code will only work properly on physically indexed
2073 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2074 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2075 # moment we protect the user and offer the highmem option only on machines
2076 # where it's known to be safe. This will not offer highmem on a few systems
2077 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2078 # indexed CPUs but we're playing safe.
2079 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2080 # know they might have memory configurations that could make use of highmem
2081 # support.
2082 #
2083 config HIGHMEM
2084 bool "High Memory Support"
2085 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2086
2087 config CPU_SUPPORTS_HIGHMEM
2088 bool
2089
2090 config SYS_SUPPORTS_HIGHMEM
2091 bool
2092
2093 config SYS_SUPPORTS_SMARTMIPS
2094 bool
2095
2096 config ARCH_FLATMEM_ENABLE
2097 def_bool y
2098 depends on !NUMA && !CPU_LOONGSON2
2099
2100 config ARCH_DISCONTIGMEM_ENABLE
2101 bool
2102 default y if SGI_IP27
2103 help
2104 Say Y to support efficient handling of discontiguous physical memory,
2105 for architectures which are either NUMA (Non-Uniform Memory Access)
2106 or have huge holes in the physical address space for other reasons.
2107 See <file:Documentation/vm/numa> for more.
2108
2109 config ARCH_SPARSEMEM_ENABLE
2110 bool
2111 select SPARSEMEM_STATIC
2112
2113 config NUMA
2114 bool "NUMA Support"
2115 depends on SYS_SUPPORTS_NUMA
2116 help
2117 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2118 Access). This option improves performance on systems with more
2119 than two nodes; on two node systems it is generally better to
2120 leave it disabled; on single node systems disable this option
2121 disabled.
2122
2123 config SYS_SUPPORTS_NUMA
2124 bool
2125
2126 config NODES_SHIFT
2127 int
2128 default "6"
2129 depends on NEED_MULTIPLE_NODES
2130
2131 config HW_PERF_EVENTS
2132 bool "Enable hardware performance counter support for perf events"
2133 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
2134 default y
2135 help
2136 Enable hardware performance counter support for perf events. If
2137 disabled, perf events will use software events only.
2138
2139 source "mm/Kconfig"
2140
2141 config SMP
2142 bool "Multi-Processing support"
2143 depends on SYS_SUPPORTS_SMP
2144 select IRQ_PER_CPU
2145 select USE_GENERIC_SMP_HELPERS
2146 help
2147 This enables support for systems with more than one CPU. If you have
2148 a system with only one CPU, like most personal computers, say N. If
2149 you have a system with more than one CPU, say Y.
2150
2151 If you say N here, the kernel will run on single and multiprocessor
2152 machines, but will use only one CPU of a multiprocessor machine. If
2153 you say Y here, the kernel will run on many, but not all,
2154 singleprocessor machines. On a singleprocessor machine, the kernel
2155 will run faster if you say N here.
2156
2157 People using multiprocessor machines who say Y here should also say
2158 Y to "Enhanced Real Time Clock Support", below.
2159
2160 See also the SMP-HOWTO available at
2161 <http://www.tldp.org/docs.html#howto>.
2162
2163 If you don't know what to do here, say N.
2164
2165 config SMP_UP
2166 bool
2167
2168 config SYS_SUPPORTS_MIPS_CMP
2169 bool
2170
2171 config SYS_SUPPORTS_SMP
2172 bool
2173
2174 config NR_CPUS_DEFAULT_1
2175 bool
2176
2177 config NR_CPUS_DEFAULT_2
2178 bool
2179
2180 config NR_CPUS_DEFAULT_4
2181 bool
2182
2183 config NR_CPUS_DEFAULT_8
2184 bool
2185
2186 config NR_CPUS_DEFAULT_16
2187 bool
2188
2189 config NR_CPUS_DEFAULT_32
2190 bool
2191
2192 config NR_CPUS_DEFAULT_64
2193 bool
2194
2195 config NR_CPUS
2196 int "Maximum number of CPUs (2-64)"
2197 range 1 64 if NR_CPUS_DEFAULT_1
2198 depends on SMP
2199 default "1" if NR_CPUS_DEFAULT_1
2200 default "2" if NR_CPUS_DEFAULT_2
2201 default "4" if NR_CPUS_DEFAULT_4
2202 default "8" if NR_CPUS_DEFAULT_8
2203 default "16" if NR_CPUS_DEFAULT_16
2204 default "32" if NR_CPUS_DEFAULT_32
2205 default "64" if NR_CPUS_DEFAULT_64
2206 help
2207 This allows you to specify the maximum number of CPUs which this
2208 kernel will support. The maximum supported value is 32 for 32-bit
2209 kernel and 64 for 64-bit kernels; the minimum value which makes
2210 sense is 1 for Qemu (useful only for kernel debugging purposes)
2211 and 2 for all others.
2212
2213 This is purely to save memory - each supported CPU adds
2214 approximately eight kilobytes to the kernel image. For best
2215 performance should round up your number of processors to the next
2216 power of two.
2217
2218 #
2219 # Timer Interrupt Frequency Configuration
2220 #
2221
2222 choice
2223 prompt "Timer frequency"
2224 default HZ_250
2225 help
2226 Allows the configuration of the timer frequency.
2227
2228 config HZ_48
2229 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2230
2231 config HZ_100
2232 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2233
2234 config HZ_128
2235 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2236
2237 config HZ_250
2238 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2239
2240 config HZ_256
2241 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2242
2243 config HZ_1000
2244 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2245
2246 config HZ_1024
2247 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2248
2249 endchoice
2250
2251 config SYS_SUPPORTS_48HZ
2252 bool
2253
2254 config SYS_SUPPORTS_100HZ
2255 bool
2256
2257 config SYS_SUPPORTS_128HZ
2258 bool
2259
2260 config SYS_SUPPORTS_250HZ
2261 bool
2262
2263 config SYS_SUPPORTS_256HZ
2264 bool
2265
2266 config SYS_SUPPORTS_1000HZ
2267 bool
2268
2269 config SYS_SUPPORTS_1024HZ
2270 bool
2271
2272 config SYS_SUPPORTS_ARBIT_HZ
2273 bool
2274 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2275 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2276 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2277 !SYS_SUPPORTS_1024HZ
2278
2279 config HZ
2280 int
2281 default 48 if HZ_48
2282 default 100 if HZ_100
2283 default 128 if HZ_128
2284 default 250 if HZ_250
2285 default 256 if HZ_256
2286 default 1000 if HZ_1000
2287 default 1024 if HZ_1024
2288
2289 source "kernel/Kconfig.preempt"
2290
2291 config KEXEC
2292 bool "Kexec system call (EXPERIMENTAL)"
2293 depends on EXPERIMENTAL
2294 help
2295 kexec is a system call that implements the ability to shutdown your
2296 current kernel, and to start another kernel. It is like a reboot
2297 but it is independent of the system firmware. And like a reboot
2298 you can start any kernel with it, not just Linux.
2299
2300 The name comes from the similarity to the exec system call.
2301
2302 It is an ongoing process to be certain the hardware in a machine
2303 is properly shutdown, so do not be surprised if this code does not
2304 initially work for you. It may help to enable device hotplugging
2305 support. As of this writing the exact hardware interface is
2306 strongly in flux, so no good recommendation can be made.
2307
2308 config SECCOMP
2309 bool "Enable seccomp to safely compute untrusted bytecode"
2310 depends on PROC_FS
2311 default y
2312 help
2313 This kernel feature is useful for number crunching applications
2314 that may need to compute untrusted bytecode during their
2315 execution. By using pipes or other transports made available to
2316 the process as file descriptors supporting the read/write
2317 syscalls, it's possible to isolate those applications in
2318 their own address space using seccomp. Once seccomp is
2319 enabled via /proc/<pid>/seccomp, it cannot be disabled
2320 and the task is only allowed to execute a few safe syscalls
2321 defined by each seccomp mode.
2322
2323 If unsure, say Y. Only embedded should say N here.
2324
2325 config USE_OF
2326 bool "Flattened Device Tree support"
2327 select OF
2328 select OF_EARLY_FLATTREE
2329 select IRQ_DOMAIN
2330 help
2331 Include support for flattened device tree machine descriptions.
2332
2333 endmenu
2334
2335 config LOCKDEP_SUPPORT
2336 bool
2337 default y
2338
2339 config STACKTRACE_SUPPORT
2340 bool
2341 default y
2342
2343 source "init/Kconfig"
2344
2345 source "kernel/Kconfig.freezer"
2346
2347 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2348
2349 config HW_HAS_EISA
2350 bool
2351 config HW_HAS_PCI
2352 bool
2353
2354 config PCI
2355 bool "Support for PCI controller"
2356 depends on HW_HAS_PCI
2357 select PCI_DOMAINS
2358 select GENERIC_PCI_IOMAP
2359 select NO_GENERIC_PCI_IOPORT_MAP
2360 help
2361 Find out whether you have a PCI motherboard. PCI is the name of a
2362 bus system, i.e. the way the CPU talks to the other stuff inside
2363 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2364 say Y, otherwise N.
2365
2366 config PCI_DOMAINS
2367 bool
2368
2369 source "drivers/pci/Kconfig"
2370
2371 #
2372 # ISA support is now enabled via select. Too many systems still have the one
2373 # or other ISA chip on the board that users don't know about so don't expect
2374 # users to choose the right thing ...
2375 #
2376 config ISA
2377 bool
2378
2379 config EISA
2380 bool "EISA support"
2381 depends on HW_HAS_EISA
2382 select ISA
2383 select GENERIC_ISA_DMA
2384 ---help---
2385 The Extended Industry Standard Architecture (EISA) bus was
2386 developed as an open alternative to the IBM MicroChannel bus.
2387
2388 The EISA bus provided some of the features of the IBM MicroChannel
2389 bus while maintaining backward compatibility with cards made for
2390 the older ISA bus. The EISA bus saw limited use between 1988 and
2391 1995 when it was made obsolete by the PCI bus.
2392
2393 Say Y here if you are building a kernel for an EISA-based machine.
2394
2395 Otherwise, say N.
2396
2397 source "drivers/eisa/Kconfig"
2398
2399 config TC
2400 bool "TURBOchannel support"
2401 depends on MACH_DECSTATION
2402 help
2403 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2404 processors. TURBOchannel programming specifications are available
2405 at:
2406 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2407 and:
2408 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2409 Linux driver support status is documented at:
2410 <http://www.linux-mips.org/wiki/DECstation>
2411
2412 config MMU
2413 bool
2414 default y
2415
2416 config I8253
2417 bool
2418 select CLKSRC_I8253
2419 select CLKEVT_I8253
2420 select MIPS_EXTERNAL_TIMER
2421
2422 config ZONE_DMA32
2423 bool
2424
2425 source "drivers/pcmcia/Kconfig"
2426
2427 source "drivers/pci/hotplug/Kconfig"
2428
2429 config RAPIDIO
2430 bool "RapidIO support"
2431 depends on PCI
2432 default n
2433 help
2434 If you say Y here, the kernel will include drivers and
2435 infrastructure code to support RapidIO interconnect devices.
2436
2437 source "drivers/rapidio/Kconfig"
2438
2439 endmenu
2440
2441 menu "Executable file formats"
2442
2443 source "fs/Kconfig.binfmt"
2444
2445 config TRAD_SIGNALS
2446 bool
2447
2448 config MIPS32_COMPAT
2449 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2450 depends on 64BIT
2451 help
2452 Select this option if you want Linux/MIPS 32-bit binary
2453 compatibility. Since all software available for Linux/MIPS is
2454 currently 32-bit you should say Y here.
2455
2456 config COMPAT
2457 bool
2458 depends on MIPS32_COMPAT
2459 select ARCH_WANT_OLD_COMPAT_IPC
2460 default y
2461
2462 config SYSVIPC_COMPAT
2463 bool
2464 depends on COMPAT && SYSVIPC
2465 default y
2466
2467 config MIPS32_O32
2468 bool "Kernel support for o32 binaries"
2469 depends on MIPS32_COMPAT
2470 help
2471 Select this option if you want to run o32 binaries. These are pure
2472 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2473 existing binaries are in this format.
2474
2475 If unsure, say Y.
2476
2477 config MIPS32_N32
2478 bool "Kernel support for n32 binaries"
2479 depends on MIPS32_COMPAT
2480 help
2481 Select this option if you want to run n32 binaries. These are
2482 64-bit binaries using 32-bit quantities for addressing and certain
2483 data that would normally be 64-bit. They are used in special
2484 cases.
2485
2486 If unsure, say N.
2487
2488 config BINFMT_ELF32
2489 bool
2490 default y if MIPS32_O32 || MIPS32_N32
2491
2492 endmenu
2493
2494 menu "Power management options"
2495
2496 config ARCH_HIBERNATION_POSSIBLE
2497 def_bool y
2498 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2499
2500 config ARCH_SUSPEND_POSSIBLE
2501 def_bool y
2502 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2503
2504 source "kernel/power/Kconfig"
2505
2506 endmenu
2507
2508 source "arch/mips/kernel/cpufreq/Kconfig"
2509
2510 source "net/Kconfig"
2511
2512 source "drivers/Kconfig"
2513
2514 source "fs/Kconfig"
2515
2516 source "arch/mips/Kconfig.debug"
2517
2518 source "security/Kconfig"
2519
2520 source "crypto/Kconfig"
2521
2522 source "lib/Kconfig"
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