Merge tag 'spi-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
[deliverable/linux.git] / arch / mips / Kconfig
1 config MIPS
2 bool
3 default y
4 select ARCH_MIGHT_HAVE_PC_PARPORT
5 select ARCH_MIGHT_HAVE_PC_SERIO
6 select HAVE_CONTEXT_TRACKING
7 select HAVE_GENERIC_DMA_COHERENT
8 select HAVE_IDE
9 select HAVE_OPROFILE
10 select HAVE_PERF_EVENTS
11 select PERF_USE_VMALLOC
12 select HAVE_ARCH_KGDB
13 select HAVE_ARCH_SECCOMP_FILTER
14 select HAVE_ARCH_TRACEHOOK
15 select HAVE_BPF_JIT if !CPU_MICROMIPS
16 select ARCH_HAVE_CUSTOM_GPIO_H
17 select HAVE_FUNCTION_TRACER
18 select HAVE_DYNAMIC_FTRACE
19 select HAVE_FTRACE_MCOUNT_RECORD
20 select HAVE_C_RECORDMCOUNT
21 select HAVE_FUNCTION_GRAPH_TRACER
22 select HAVE_KPROBES
23 select HAVE_KRETPROBES
24 select HAVE_DEBUG_KMEMLEAK
25 select HAVE_SYSCALL_TRACEPOINTS
26 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
27 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
28 select RTC_LIB if !MACH_LOONGSON
29 select GENERIC_ATOMIC64 if !64BIT
30 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
31 select HAVE_DMA_ATTRS
32 select HAVE_DMA_API_DEBUG
33 select GENERIC_IRQ_PROBE
34 select GENERIC_IRQ_SHOW
35 select GENERIC_PCI_IOMAP
36 select HAVE_ARCH_JUMP_LABEL
37 select ARCH_WANT_IPC_PARSE_VERSION
38 select IRQ_FORCED_THREADING
39 select HAVE_MEMBLOCK
40 select HAVE_MEMBLOCK_NODE_MAP
41 select ARCH_DISCARD_MEMBLOCK
42 select GENERIC_SMP_IDLE_THREAD
43 select BUILDTIME_EXTABLE_SORT
44 select GENERIC_CLOCKEVENTS
45 select GENERIC_CMOS_UPDATE
46 select HAVE_MOD_ARCH_SPECIFIC
47 select VIRT_TO_BUS
48 select MODULES_USE_ELF_REL if MODULES
49 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50 select CLONE_BACKWARDS
51 select HAVE_DEBUG_STACKOVERFLOW
52 select HAVE_CC_STACKPROTECTOR
53 select CPU_PM if CPU_IDLE
54 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
55
56 menu "Machine selection"
57
58 choice
59 prompt "System type"
60 default SGI_IP22
61
62 config MIPS_ALCHEMY
63 bool "Alchemy processor based machines"
64 select 64BIT_PHYS_ADDR
65 select CEVT_R4K
66 select CSRC_R4K
67 select IRQ_CPU
68 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
69 select SYS_HAS_CPU_MIPS32_R1
70 select SYS_SUPPORTS_32BIT_KERNEL
71 select SYS_SUPPORTS_APM_EMULATION
72 select ARCH_REQUIRE_GPIOLIB
73 select SYS_SUPPORTS_ZBOOT
74
75 config AR7
76 bool "Texas Instruments AR7"
77 select BOOT_ELF32
78 select DMA_NONCOHERENT
79 select CEVT_R4K
80 select CSRC_R4K
81 select IRQ_CPU
82 select NO_EXCEPT_FILL
83 select SWAP_IO_SPACE
84 select SYS_HAS_CPU_MIPS32_R1
85 select SYS_HAS_EARLY_PRINTK
86 select SYS_SUPPORTS_32BIT_KERNEL
87 select SYS_SUPPORTS_LITTLE_ENDIAN
88 select SYS_SUPPORTS_MIPS16
89 select SYS_SUPPORTS_ZBOOT_UART16550
90 select ARCH_REQUIRE_GPIOLIB
91 select VLYNQ
92 select HAVE_CLK
93 help
94 Support for the Texas Instruments AR7 System-on-a-Chip
95 family: TNETD7100, 7200 and 7300.
96
97 config ATH79
98 bool "Atheros AR71XX/AR724X/AR913X based boards"
99 select ARCH_REQUIRE_GPIOLIB
100 select BOOT_RAW
101 select CEVT_R4K
102 select CSRC_R4K
103 select DMA_NONCOHERENT
104 select HAVE_CLK
105 select CLKDEV_LOOKUP
106 select IRQ_CPU
107 select MIPS_MACHINE
108 select SYS_HAS_CPU_MIPS32_R2
109 select SYS_HAS_EARLY_PRINTK
110 select SYS_SUPPORTS_32BIT_KERNEL
111 select SYS_SUPPORTS_BIG_ENDIAN
112 select SYS_SUPPORTS_MIPS16
113 help
114 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
115
116 config BCM47XX
117 bool "Broadcom BCM47XX based boards"
118 select ARCH_WANT_OPTIONAL_GPIOLIB
119 select BOOT_RAW
120 select CEVT_R4K
121 select CSRC_R4K
122 select DMA_NONCOHERENT
123 select HW_HAS_PCI
124 select IRQ_CPU
125 select SYS_HAS_CPU_MIPS32_R1
126 select NO_EXCEPT_FILL
127 select SYS_SUPPORTS_32BIT_KERNEL
128 select SYS_SUPPORTS_LITTLE_ENDIAN
129 select SYS_SUPPORTS_MIPS16
130 select SYS_HAS_EARLY_PRINTK
131 select USE_GENERIC_EARLY_PRINTK_8250
132 help
133 Support for BCM47XX based boards
134
135 config BCM63XX
136 bool "Broadcom BCM63XX based boards"
137 select BOOT_RAW
138 select CEVT_R4K
139 select CSRC_R4K
140 select DMA_NONCOHERENT
141 select IRQ_CPU
142 select SYS_SUPPORTS_32BIT_KERNEL
143 select SYS_SUPPORTS_BIG_ENDIAN
144 select SYS_HAS_EARLY_PRINTK
145 select SWAP_IO_SPACE
146 select ARCH_REQUIRE_GPIOLIB
147 select HAVE_CLK
148 select MIPS_L1_CACHE_SHIFT_4
149 help
150 Support for BCM63XX based boards
151
152 config MIPS_COBALT
153 bool "Cobalt Server"
154 select CEVT_R4K
155 select CSRC_R4K
156 select CEVT_GT641XX
157 select DMA_NONCOHERENT
158 select HW_HAS_PCI
159 select I8253
160 select I8259
161 select IRQ_CPU
162 select IRQ_GT641XX
163 select PCI_GT64XXX_PCI0
164 select PCI
165 select SYS_HAS_CPU_NEVADA
166 select SYS_HAS_EARLY_PRINTK
167 select SYS_SUPPORTS_32BIT_KERNEL
168 select SYS_SUPPORTS_64BIT_KERNEL
169 select SYS_SUPPORTS_LITTLE_ENDIAN
170 select USE_GENERIC_EARLY_PRINTK_8250
171
172 config MACH_DECSTATION
173 bool "DECstations"
174 select BOOT_ELF32
175 select CEVT_DS1287
176 select CEVT_R4K if CPU_R4X00
177 select CSRC_IOASIC
178 select CSRC_R4K if CPU_R4X00
179 select CPU_DADDI_WORKAROUNDS if 64BIT
180 select CPU_R4000_WORKAROUNDS if 64BIT
181 select CPU_R4400_WORKAROUNDS if 64BIT
182 select DMA_NONCOHERENT
183 select NO_IOPORT_MAP
184 select IRQ_CPU
185 select SYS_HAS_CPU_R3000
186 select SYS_HAS_CPU_R4X00
187 select SYS_SUPPORTS_32BIT_KERNEL
188 select SYS_SUPPORTS_64BIT_KERNEL
189 select SYS_SUPPORTS_LITTLE_ENDIAN
190 select SYS_SUPPORTS_128HZ
191 select SYS_SUPPORTS_256HZ
192 select SYS_SUPPORTS_1024HZ
193 select MIPS_L1_CACHE_SHIFT_4
194 help
195 This enables support for DEC's MIPS based workstations. For details
196 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
197 DECstation porting pages on <http://decstation.unix-ag.org/>.
198
199 If you have one of the following DECstation Models you definitely
200 want to choose R4xx0 for the CPU Type:
201
202 DECstation 5000/50
203 DECstation 5000/150
204 DECstation 5000/260
205 DECsystem 5900/260
206
207 otherwise choose R3000.
208
209 config MACH_JAZZ
210 bool "Jazz family of machines"
211 select FW_ARC
212 select FW_ARC32
213 select ARCH_MAY_HAVE_PC_FDC
214 select CEVT_R4K
215 select CSRC_R4K
216 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
217 select GENERIC_ISA_DMA
218 select HAVE_PCSPKR_PLATFORM
219 select IRQ_CPU
220 select I8253
221 select I8259
222 select ISA
223 select SYS_HAS_CPU_R4X00
224 select SYS_SUPPORTS_32BIT_KERNEL
225 select SYS_SUPPORTS_64BIT_KERNEL
226 select SYS_SUPPORTS_100HZ
227 help
228 This a family of machines based on the MIPS R4030 chipset which was
229 used by several vendors to build RISC/os and Windows NT workstations.
230 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
231 Olivetti M700-10 workstations.
232
233 config MACH_JZ4740
234 bool "Ingenic JZ4740 based machines"
235 select SYS_HAS_CPU_MIPS32_R1
236 select SYS_SUPPORTS_32BIT_KERNEL
237 select SYS_SUPPORTS_LITTLE_ENDIAN
238 select SYS_SUPPORTS_ZBOOT_UART16550
239 select DMA_NONCOHERENT
240 select IRQ_CPU
241 select ARCH_REQUIRE_GPIOLIB
242 select SYS_HAS_EARLY_PRINTK
243 select HAVE_CLK
244 select GENERIC_IRQ_CHIP
245
246 config LANTIQ
247 bool "Lantiq based platforms"
248 select DMA_NONCOHERENT
249 select IRQ_CPU
250 select CEVT_R4K
251 select CSRC_R4K
252 select SYS_HAS_CPU_MIPS32_R1
253 select SYS_HAS_CPU_MIPS32_R2
254 select SYS_SUPPORTS_BIG_ENDIAN
255 select SYS_SUPPORTS_32BIT_KERNEL
256 select SYS_SUPPORTS_MIPS16
257 select SYS_SUPPORTS_MULTITHREADING
258 select SYS_HAS_EARLY_PRINTK
259 select ARCH_REQUIRE_GPIOLIB
260 select SWAP_IO_SPACE
261 select BOOT_RAW
262 select HAVE_MACH_CLKDEV
263 select CLKDEV_LOOKUP
264 select USE_OF
265 select PINCTRL
266 select PINCTRL_LANTIQ
267
268 config LASAT
269 bool "LASAT Networks platforms"
270 select CEVT_R4K
271 select CRC32
272 select CSRC_R4K
273 select DMA_NONCOHERENT
274 select SYS_HAS_EARLY_PRINTK
275 select HW_HAS_PCI
276 select IRQ_CPU
277 select PCI_GT64XXX_PCI0
278 select MIPS_NILE4
279 select R5000_CPU_SCACHE
280 select SYS_HAS_CPU_R5000
281 select SYS_SUPPORTS_32BIT_KERNEL
282 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
283 select SYS_SUPPORTS_LITTLE_ENDIAN
284
285 config MACH_LOONGSON
286 bool "Loongson family of machines"
287 select SYS_SUPPORTS_ZBOOT
288 help
289 This enables the support of Loongson family of machines.
290
291 Loongson is a family of general-purpose MIPS-compatible CPUs.
292 developed at Institute of Computing Technology (ICT),
293 Chinese Academy of Sciences (CAS) in the People's Republic
294 of China. The chief architect is Professor Weiwu Hu.
295
296 config MACH_LOONGSON1
297 bool "Loongson 1 family of machines"
298 select SYS_SUPPORTS_ZBOOT
299 help
300 This enables support for the Loongson 1 based machines.
301
302 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
303 the ICT (Institute of Computing Technology) and the Chinese Academy
304 of Sciences.
305
306 config MIPS_MALTA
307 bool "MIPS Malta board"
308 select ARCH_MAY_HAVE_PC_FDC
309 select BOOT_ELF32
310 select BOOT_RAW
311 select CEVT_R4K
312 select CSRC_R4K
313 select CSRC_GIC
314 select DMA_MAYBE_COHERENT
315 select GENERIC_ISA_DMA
316 select HAVE_PCSPKR_PLATFORM
317 select IRQ_CPU
318 select IRQ_GIC
319 select HW_HAS_PCI
320 select I8253
321 select I8259
322 select MIPS_BONITO64
323 select MIPS_CPU_SCACHE
324 select PCI_GT64XXX_PCI0
325 select MIPS_MSC
326 select SWAP_IO_SPACE
327 select SYS_HAS_CPU_MIPS32_R1
328 select SYS_HAS_CPU_MIPS32_R2
329 select SYS_HAS_CPU_MIPS32_R3_5
330 select SYS_HAS_CPU_MIPS64_R1
331 select SYS_HAS_CPU_MIPS64_R2
332 select SYS_HAS_CPU_NEVADA
333 select SYS_HAS_CPU_RM7000
334 select SYS_SUPPORTS_32BIT_KERNEL
335 select SYS_SUPPORTS_64BIT_KERNEL
336 select SYS_SUPPORTS_BIG_ENDIAN
337 select SYS_SUPPORTS_LITTLE_ENDIAN
338 select SYS_SUPPORTS_MIPS_CMP
339 select SYS_SUPPORTS_MIPS_CPS
340 select SYS_SUPPORTS_MIPS16
341 select SYS_SUPPORTS_MULTITHREADING
342 select SYS_SUPPORTS_SMARTMIPS
343 select SYS_SUPPORTS_ZBOOT
344 help
345 This enables support for the MIPS Technologies Malta evaluation
346 board.
347
348 config MIPS_SEAD3
349 bool "MIPS SEAD3 board"
350 select BOOT_ELF32
351 select BOOT_RAW
352 select CEVT_R4K
353 select CSRC_R4K
354 select CSRC_GIC
355 select CPU_MIPSR2_IRQ_VI
356 select CPU_MIPSR2_IRQ_EI
357 select DMA_NONCOHERENT
358 select IRQ_CPU
359 select IRQ_GIC
360 select LIBFDT
361 select MIPS_MSC
362 select SYS_HAS_CPU_MIPS32_R1
363 select SYS_HAS_CPU_MIPS32_R2
364 select SYS_HAS_CPU_MIPS64_R1
365 select SYS_HAS_EARLY_PRINTK
366 select SYS_SUPPORTS_32BIT_KERNEL
367 select SYS_SUPPORTS_64BIT_KERNEL
368 select SYS_SUPPORTS_BIG_ENDIAN
369 select SYS_SUPPORTS_LITTLE_ENDIAN
370 select SYS_SUPPORTS_SMARTMIPS
371 select SYS_SUPPORTS_MICROMIPS
372 select SYS_SUPPORTS_MIPS16
373 select USB_EHCI_BIG_ENDIAN_DESC
374 select USB_EHCI_BIG_ENDIAN_MMIO
375 select USE_OF
376 help
377 This enables support for the MIPS Technologies SEAD3 evaluation
378 board.
379
380 config NEC_MARKEINS
381 bool "NEC EMMA2RH Mark-eins board"
382 select SOC_EMMA2RH
383 select HW_HAS_PCI
384 help
385 This enables support for the NEC Electronics Mark-eins boards.
386
387 config MACH_VR41XX
388 bool "NEC VR4100 series based machines"
389 select CEVT_R4K
390 select CSRC_R4K
391 select SYS_HAS_CPU_VR41XX
392 select SYS_SUPPORTS_MIPS16
393 select ARCH_REQUIRE_GPIOLIB
394
395 config NXP_STB220
396 bool "NXP STB220 board"
397 select SOC_PNX833X
398 help
399 Support for NXP Semiconductors STB220 Development Board.
400
401 config NXP_STB225
402 bool "NXP 225 board"
403 select SOC_PNX833X
404 select SOC_PNX8335
405 help
406 Support for NXP Semiconductors STB225 Development Board.
407
408 config PMC_MSP
409 bool "PMC-Sierra MSP chipsets"
410 select CEVT_R4K
411 select CSRC_R4K
412 select DMA_NONCOHERENT
413 select SWAP_IO_SPACE
414 select NO_EXCEPT_FILL
415 select BOOT_RAW
416 select SYS_HAS_CPU_MIPS32_R1
417 select SYS_HAS_CPU_MIPS32_R2
418 select SYS_SUPPORTS_32BIT_KERNEL
419 select SYS_SUPPORTS_BIG_ENDIAN
420 select SYS_SUPPORTS_MIPS16
421 select IRQ_CPU
422 select SERIAL_8250
423 select SERIAL_8250_CONSOLE
424 select USB_EHCI_BIG_ENDIAN_MMIO
425 select USB_EHCI_BIG_ENDIAN_DESC
426 help
427 This adds support for the PMC-Sierra family of Multi-Service
428 Processor System-On-A-Chips. These parts include a number
429 of integrated peripherals, interfaces and DSPs in addition to
430 a variety of MIPS cores.
431
432 config RALINK
433 bool "Ralink based machines"
434 select CEVT_R4K
435 select CSRC_R4K
436 select BOOT_RAW
437 select DMA_NONCOHERENT
438 select IRQ_CPU
439 select USE_OF
440 select SYS_HAS_CPU_MIPS32_R1
441 select SYS_HAS_CPU_MIPS32_R2
442 select SYS_SUPPORTS_32BIT_KERNEL
443 select SYS_SUPPORTS_LITTLE_ENDIAN
444 select SYS_SUPPORTS_MIPS16
445 select SYS_HAS_EARLY_PRINTK
446 select HAVE_MACH_CLKDEV
447 select CLKDEV_LOOKUP
448 select ARCH_HAS_RESET_CONTROLLER
449 select RESET_CONTROLLER
450
451 config SGI_IP22
452 bool "SGI IP22 (Indy/Indigo2)"
453 select FW_ARC
454 select FW_ARC32
455 select BOOT_ELF32
456 select CEVT_R4K
457 select CSRC_R4K
458 select DEFAULT_SGI_PARTITION
459 select DMA_NONCOHERENT
460 select HW_HAS_EISA
461 select I8253
462 select I8259
463 select IP22_CPU_SCACHE
464 select IRQ_CPU
465 select GENERIC_ISA_DMA_SUPPORT_BROKEN
466 select SGI_HAS_I8042
467 select SGI_HAS_INDYDOG
468 select SGI_HAS_HAL2
469 select SGI_HAS_SEEQ
470 select SGI_HAS_WD93
471 select SGI_HAS_ZILOG
472 select SWAP_IO_SPACE
473 select SYS_HAS_CPU_R4X00
474 select SYS_HAS_CPU_R5000
475 #
476 # Disable EARLY_PRINTK for now since it leads to overwritten prom
477 # memory during early boot on some machines.
478 #
479 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
480 # for a more details discussion
481 #
482 # select SYS_HAS_EARLY_PRINTK
483 select SYS_SUPPORTS_32BIT_KERNEL
484 select SYS_SUPPORTS_64BIT_KERNEL
485 select SYS_SUPPORTS_BIG_ENDIAN
486 select MIPS_L1_CACHE_SHIFT_7
487 help
488 This are the SGI Indy, Challenge S and Indigo2, as well as certain
489 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
490 that runs on these, say Y here.
491
492 config SGI_IP27
493 bool "SGI IP27 (Origin200/2000)"
494 select FW_ARC
495 select FW_ARC64
496 select BOOT_ELF64
497 select DEFAULT_SGI_PARTITION
498 select DMA_COHERENT
499 select SYS_HAS_EARLY_PRINTK
500 select HW_HAS_PCI
501 select NR_CPUS_DEFAULT_64
502 select SYS_HAS_CPU_R10000
503 select SYS_SUPPORTS_64BIT_KERNEL
504 select SYS_SUPPORTS_BIG_ENDIAN
505 select SYS_SUPPORTS_NUMA
506 select SYS_SUPPORTS_SMP
507 select MIPS_L1_CACHE_SHIFT_7
508 help
509 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
510 workstations. To compile a Linux kernel that runs on these, say Y
511 here.
512
513 config SGI_IP28
514 bool "SGI IP28 (Indigo2 R10k)"
515 select FW_ARC
516 select FW_ARC64
517 select BOOT_ELF64
518 select CEVT_R4K
519 select CSRC_R4K
520 select DEFAULT_SGI_PARTITION
521 select DMA_NONCOHERENT
522 select GENERIC_ISA_DMA_SUPPORT_BROKEN
523 select IRQ_CPU
524 select HW_HAS_EISA
525 select I8253
526 select I8259
527 select SGI_HAS_I8042
528 select SGI_HAS_INDYDOG
529 select SGI_HAS_HAL2
530 select SGI_HAS_SEEQ
531 select SGI_HAS_WD93
532 select SGI_HAS_ZILOG
533 select SWAP_IO_SPACE
534 select SYS_HAS_CPU_R10000
535 #
536 # Disable EARLY_PRINTK for now since it leads to overwritten prom
537 # memory during early boot on some machines.
538 #
539 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
540 # for a more details discussion
541 #
542 # select SYS_HAS_EARLY_PRINTK
543 select SYS_SUPPORTS_64BIT_KERNEL
544 select SYS_SUPPORTS_BIG_ENDIAN
545 help
546 This is the SGI Indigo2 with R10000 processor. To compile a Linux
547 kernel that runs on these, say Y here.
548
549 config SGI_IP32
550 bool "SGI IP32 (O2)"
551 select FW_ARC
552 select FW_ARC32
553 select BOOT_ELF32
554 select CEVT_R4K
555 select CSRC_R4K
556 select DMA_NONCOHERENT
557 select HW_HAS_PCI
558 select IRQ_CPU
559 select R5000_CPU_SCACHE
560 select RM7000_CPU_SCACHE
561 select SYS_HAS_CPU_R5000
562 select SYS_HAS_CPU_R10000 if BROKEN
563 select SYS_HAS_CPU_RM7000
564 select SYS_HAS_CPU_NEVADA
565 select SYS_SUPPORTS_64BIT_KERNEL
566 select SYS_SUPPORTS_BIG_ENDIAN
567 help
568 If you want this kernel to run on SGI O2 workstation, say Y here.
569
570 config SIBYTE_CRHINE
571 bool "Sibyte BCM91120C-CRhine"
572 select BOOT_ELF32
573 select DMA_COHERENT
574 select SIBYTE_BCM1120
575 select SWAP_IO_SPACE
576 select SYS_HAS_CPU_SB1
577 select SYS_SUPPORTS_BIG_ENDIAN
578 select SYS_SUPPORTS_LITTLE_ENDIAN
579
580 config SIBYTE_CARMEL
581 bool "Sibyte BCM91120x-Carmel"
582 select BOOT_ELF32
583 select DMA_COHERENT
584 select SIBYTE_BCM1120
585 select SWAP_IO_SPACE
586 select SYS_HAS_CPU_SB1
587 select SYS_SUPPORTS_BIG_ENDIAN
588 select SYS_SUPPORTS_LITTLE_ENDIAN
589
590 config SIBYTE_CRHONE
591 bool "Sibyte BCM91125C-CRhone"
592 select BOOT_ELF32
593 select DMA_COHERENT
594 select SIBYTE_BCM1125
595 select SWAP_IO_SPACE
596 select SYS_HAS_CPU_SB1
597 select SYS_SUPPORTS_BIG_ENDIAN
598 select SYS_SUPPORTS_HIGHMEM
599 select SYS_SUPPORTS_LITTLE_ENDIAN
600
601 config SIBYTE_RHONE
602 bool "Sibyte BCM91125E-Rhone"
603 select BOOT_ELF32
604 select DMA_COHERENT
605 select SIBYTE_BCM1125H
606 select SWAP_IO_SPACE
607 select SYS_HAS_CPU_SB1
608 select SYS_SUPPORTS_BIG_ENDIAN
609 select SYS_SUPPORTS_LITTLE_ENDIAN
610
611 config SIBYTE_SWARM
612 bool "Sibyte BCM91250A-SWARM"
613 select BOOT_ELF32
614 select DMA_COHERENT
615 select HAVE_PATA_PLATFORM
616 select SIBYTE_SB1250
617 select SWAP_IO_SPACE
618 select SYS_HAS_CPU_SB1
619 select SYS_SUPPORTS_BIG_ENDIAN
620 select SYS_SUPPORTS_HIGHMEM
621 select SYS_SUPPORTS_LITTLE_ENDIAN
622 select ZONE_DMA32 if 64BIT
623
624 config SIBYTE_LITTLESUR
625 bool "Sibyte BCM91250C2-LittleSur"
626 select BOOT_ELF32
627 select DMA_COHERENT
628 select HAVE_PATA_PLATFORM
629 select SIBYTE_SB1250
630 select SWAP_IO_SPACE
631 select SYS_HAS_CPU_SB1
632 select SYS_SUPPORTS_BIG_ENDIAN
633 select SYS_SUPPORTS_HIGHMEM
634 select SYS_SUPPORTS_LITTLE_ENDIAN
635
636 config SIBYTE_SENTOSA
637 bool "Sibyte BCM91250E-Sentosa"
638 select BOOT_ELF32
639 select DMA_COHERENT
640 select SIBYTE_SB1250
641 select SWAP_IO_SPACE
642 select SYS_HAS_CPU_SB1
643 select SYS_SUPPORTS_BIG_ENDIAN
644 select SYS_SUPPORTS_LITTLE_ENDIAN
645
646 config SIBYTE_BIGSUR
647 bool "Sibyte BCM91480B-BigSur"
648 select BOOT_ELF32
649 select DMA_COHERENT
650 select NR_CPUS_DEFAULT_4
651 select SIBYTE_BCM1x80
652 select SWAP_IO_SPACE
653 select SYS_HAS_CPU_SB1
654 select SYS_SUPPORTS_BIG_ENDIAN
655 select SYS_SUPPORTS_HIGHMEM
656 select SYS_SUPPORTS_LITTLE_ENDIAN
657 select ZONE_DMA32 if 64BIT
658
659 config SNI_RM
660 bool "SNI RM200/300/400"
661 select FW_ARC if CPU_LITTLE_ENDIAN
662 select FW_ARC32 if CPU_LITTLE_ENDIAN
663 select FW_SNIPROM if CPU_BIG_ENDIAN
664 select ARCH_MAY_HAVE_PC_FDC
665 select BOOT_ELF32
666 select CEVT_R4K
667 select CSRC_R4K
668 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
669 select DMA_NONCOHERENT
670 select GENERIC_ISA_DMA
671 select HAVE_PCSPKR_PLATFORM
672 select HW_HAS_EISA
673 select HW_HAS_PCI
674 select IRQ_CPU
675 select I8253
676 select I8259
677 select ISA
678 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
679 select SYS_HAS_CPU_R4X00
680 select SYS_HAS_CPU_R5000
681 select SYS_HAS_CPU_R10000
682 select R5000_CPU_SCACHE
683 select SYS_HAS_EARLY_PRINTK
684 select SYS_SUPPORTS_32BIT_KERNEL
685 select SYS_SUPPORTS_64BIT_KERNEL
686 select SYS_SUPPORTS_BIG_ENDIAN
687 select SYS_SUPPORTS_HIGHMEM
688 select SYS_SUPPORTS_LITTLE_ENDIAN
689 help
690 The SNI RM200/300/400 are MIPS-based machines manufactured by
691 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
692 Technology and now in turn merged with Fujitsu. Say Y here to
693 support this machine type.
694
695 config MACH_TX39XX
696 bool "Toshiba TX39 series based machines"
697
698 config MACH_TX49XX
699 bool "Toshiba TX49 series based machines"
700
701 config MIKROTIK_RB532
702 bool "Mikrotik RB532 boards"
703 select CEVT_R4K
704 select CSRC_R4K
705 select DMA_NONCOHERENT
706 select HW_HAS_PCI
707 select IRQ_CPU
708 select SYS_HAS_CPU_MIPS32_R1
709 select SYS_SUPPORTS_32BIT_KERNEL
710 select SYS_SUPPORTS_LITTLE_ENDIAN
711 select SWAP_IO_SPACE
712 select BOOT_RAW
713 select ARCH_REQUIRE_GPIOLIB
714 select MIPS_L1_CACHE_SHIFT_4
715 help
716 Support the Mikrotik(tm) RouterBoard 532 series,
717 based on the IDT RC32434 SoC.
718
719 config CAVIUM_OCTEON_SOC
720 bool "Cavium Networks Octeon SoC based boards"
721 select CEVT_R4K
722 select 64BIT_PHYS_ADDR
723 select DMA_COHERENT
724 select SYS_SUPPORTS_64BIT_KERNEL
725 select SYS_SUPPORTS_BIG_ENDIAN
726 select EDAC_SUPPORT
727 select SYS_SUPPORTS_HOTPLUG_CPU
728 select SYS_HAS_EARLY_PRINTK
729 select SYS_HAS_CPU_CAVIUM_OCTEON
730 select SWAP_IO_SPACE
731 select HW_HAS_PCI
732 select ZONE_DMA32
733 select HOLES_IN_ZONE
734 select ARCH_REQUIRE_GPIOLIB
735 select LIBFDT
736 select USE_OF
737 select ARCH_SPARSEMEM_ENABLE
738 select SYS_SUPPORTS_SMP
739 select NR_CPUS_DEFAULT_16
740 help
741 This option supports all of the Octeon reference boards from Cavium
742 Networks. It builds a kernel that dynamically determines the Octeon
743 CPU type and supports all known board reference implementations.
744 Some of the supported boards are:
745 EBT3000
746 EBH3000
747 EBH3100
748 Thunder
749 Kodama
750 Hikari
751 Say Y here for most Octeon reference boards.
752
753 config NLM_XLR_BOARD
754 bool "Netlogic XLR/XLS based systems"
755 select BOOT_ELF32
756 select NLM_COMMON
757 select SYS_HAS_CPU_XLR
758 select SYS_SUPPORTS_SMP
759 select HW_HAS_PCI
760 select SWAP_IO_SPACE
761 select SYS_SUPPORTS_32BIT_KERNEL
762 select SYS_SUPPORTS_64BIT_KERNEL
763 select 64BIT_PHYS_ADDR
764 select SYS_SUPPORTS_BIG_ENDIAN
765 select SYS_SUPPORTS_HIGHMEM
766 select DMA_COHERENT
767 select NR_CPUS_DEFAULT_32
768 select CEVT_R4K
769 select CSRC_R4K
770 select IRQ_CPU
771 select ZONE_DMA32 if 64BIT
772 select SYNC_R4K
773 select SYS_HAS_EARLY_PRINTK
774 select SYS_SUPPORTS_ZBOOT
775 select SYS_SUPPORTS_ZBOOT_UART16550
776 help
777 Support for systems based on Netlogic XLR and XLS processors.
778 Say Y here if you have a XLR or XLS based board.
779
780 config NLM_XLP_BOARD
781 bool "Netlogic XLP based systems"
782 select BOOT_ELF32
783 select NLM_COMMON
784 select SYS_HAS_CPU_XLP
785 select SYS_SUPPORTS_SMP
786 select HW_HAS_PCI
787 select SYS_SUPPORTS_32BIT_KERNEL
788 select SYS_SUPPORTS_64BIT_KERNEL
789 select 64BIT_PHYS_ADDR
790 select SYS_SUPPORTS_BIG_ENDIAN
791 select SYS_SUPPORTS_LITTLE_ENDIAN
792 select SYS_SUPPORTS_HIGHMEM
793 select DMA_COHERENT
794 select NR_CPUS_DEFAULT_32
795 select CEVT_R4K
796 select CSRC_R4K
797 select IRQ_CPU
798 select ZONE_DMA32 if 64BIT
799 select SYNC_R4K
800 select SYS_HAS_EARLY_PRINTK
801 select USE_OF
802 select SYS_SUPPORTS_ZBOOT
803 select SYS_SUPPORTS_ZBOOT_UART16550
804 help
805 This board is based on Netlogic XLP Processor.
806 Say Y here if you have a XLP based board.
807
808 config MIPS_PARAVIRT
809 bool "Para-Virtualized guest system"
810 select CEVT_R4K
811 select CSRC_R4K
812 select DMA_COHERENT
813 select SYS_SUPPORTS_64BIT_KERNEL
814 select SYS_SUPPORTS_32BIT_KERNEL
815 select SYS_SUPPORTS_BIG_ENDIAN
816 select SYS_SUPPORTS_SMP
817 select NR_CPUS_DEFAULT_4
818 select SYS_HAS_EARLY_PRINTK
819 select SYS_HAS_CPU_MIPS32_R2
820 select SYS_HAS_CPU_MIPS64_R2
821 select SYS_HAS_CPU_CAVIUM_OCTEON
822 select HW_HAS_PCI
823 select SWAP_IO_SPACE
824 help
825 This option supports guest running under ????
826
827 endchoice
828
829 source "arch/mips/alchemy/Kconfig"
830 source "arch/mips/ath79/Kconfig"
831 source "arch/mips/bcm47xx/Kconfig"
832 source "arch/mips/bcm63xx/Kconfig"
833 source "arch/mips/jazz/Kconfig"
834 source "arch/mips/jz4740/Kconfig"
835 source "arch/mips/lantiq/Kconfig"
836 source "arch/mips/lasat/Kconfig"
837 source "arch/mips/pmcs-msp71xx/Kconfig"
838 source "arch/mips/ralink/Kconfig"
839 source "arch/mips/sgi-ip27/Kconfig"
840 source "arch/mips/sibyte/Kconfig"
841 source "arch/mips/txx9/Kconfig"
842 source "arch/mips/vr41xx/Kconfig"
843 source "arch/mips/cavium-octeon/Kconfig"
844 source "arch/mips/loongson/Kconfig"
845 source "arch/mips/loongson1/Kconfig"
846 source "arch/mips/netlogic/Kconfig"
847 source "arch/mips/paravirt/Kconfig"
848
849 endmenu
850
851 config RWSEM_GENERIC_SPINLOCK
852 bool
853 default y
854
855 config RWSEM_XCHGADD_ALGORITHM
856 bool
857
858 config ARCH_HAS_ILOG2_U32
859 bool
860 default n
861
862 config ARCH_HAS_ILOG2_U64
863 bool
864 default n
865
866 config GENERIC_HWEIGHT
867 bool
868 default y
869
870 config GENERIC_CALIBRATE_DELAY
871 bool
872 default y
873
874 config SCHED_OMIT_FRAME_POINTER
875 bool
876 default y
877
878 #
879 # Select some configuration options automatically based on user selections.
880 #
881 config FW_ARC
882 bool
883
884 config ARCH_MAY_HAVE_PC_FDC
885 bool
886
887 config BOOT_RAW
888 bool
889
890 config CEVT_BCM1480
891 bool
892
893 config CEVT_DS1287
894 bool
895
896 config CEVT_GT641XX
897 bool
898
899 config CEVT_R4K
900 bool
901
902 config CEVT_GIC
903 select MIPS_CM
904 bool
905
906 config CEVT_SB1250
907 bool
908
909 config CEVT_TXX9
910 bool
911
912 config CSRC_BCM1480
913 bool
914
915 config CSRC_IOASIC
916 bool
917
918 config CSRC_R4K
919 bool
920
921 config CSRC_GIC
922 select MIPS_CM
923 bool
924
925 config CSRC_SB1250
926 bool
927
928 config GPIO_TXX9
929 select ARCH_REQUIRE_GPIOLIB
930 bool
931
932 config FW_CFE
933 bool
934
935 config ARCH_DMA_ADDR_T_64BIT
936 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
937
938 config DMA_MAYBE_COHERENT
939 select DMA_NONCOHERENT
940 bool
941
942 config DMA_COHERENT
943 bool
944
945 config DMA_NONCOHERENT
946 bool
947 select NEED_DMA_MAP_STATE
948
949 config NEED_DMA_MAP_STATE
950 bool
951
952 config SYS_HAS_EARLY_PRINTK
953 bool
954
955 config HOTPLUG_CPU
956 bool "Support for hot-pluggable CPUs"
957 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
958 help
959 Say Y here to allow turning CPUs off and on. CPUs can be
960 controlled through /sys/devices/system/cpu.
961 (Note: power management support will enable this option
962 automatically on SMP systems. )
963 Say N if you want to disable CPU hotplug.
964
965 config SYS_SUPPORTS_HOTPLUG_CPU
966 bool
967
968 config I8259
969 bool
970
971 config MIPS_BONITO64
972 bool
973
974 config MIPS_MSC
975 bool
976
977 config MIPS_NILE4
978 bool
979
980 config SYNC_R4K
981 bool
982
983 config MIPS_MACHINE
984 def_bool n
985
986 config NO_IOPORT_MAP
987 def_bool n
988
989 config GENERIC_ISA_DMA
990 bool
991 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
992 select ISA_DMA_API
993
994 config GENERIC_ISA_DMA_SUPPORT_BROKEN
995 bool
996 select GENERIC_ISA_DMA
997
998 config ISA_DMA_API
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
1026 endchoice
1027
1028 config EXPORT_UASM
1029 bool
1030
1031 config SYS_SUPPORTS_APM_EMULATION
1032 bool
1033
1034 config SYS_SUPPORTS_BIG_ENDIAN
1035 bool
1036
1037 config SYS_SUPPORTS_LITTLE_ENDIAN
1038 bool
1039
1040 config SYS_SUPPORTS_HUGETLBFS
1041 bool
1042 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1043 default y
1044
1045 config MIPS_HUGE_TLB_SUPPORT
1046 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1047
1048 config IRQ_CPU
1049 bool
1050
1051 config IRQ_CPU_RM7K
1052 bool
1053
1054 config IRQ_MSP_SLP
1055 bool
1056
1057 config IRQ_MSP_CIC
1058 bool
1059
1060 config IRQ_TXX9
1061 bool
1062
1063 config IRQ_GT641XX
1064 bool
1065
1066 config IRQ_GIC
1067 select MIPS_CM
1068 bool
1069
1070 config PCI_GT64XXX_PCI0
1071 bool
1072
1073 config NO_EXCEPT_FILL
1074 bool
1075
1076 config SOC_EMMA2RH
1077 bool
1078 select CEVT_R4K
1079 select CSRC_R4K
1080 select DMA_NONCOHERENT
1081 select IRQ_CPU
1082 select SWAP_IO_SPACE
1083 select SYS_HAS_CPU_R5500
1084 select SYS_SUPPORTS_32BIT_KERNEL
1085 select SYS_SUPPORTS_64BIT_KERNEL
1086 select SYS_SUPPORTS_BIG_ENDIAN
1087
1088 config SOC_PNX833X
1089 bool
1090 select CEVT_R4K
1091 select CSRC_R4K
1092 select IRQ_CPU
1093 select DMA_NONCOHERENT
1094 select SYS_HAS_CPU_MIPS32_R2
1095 select SYS_SUPPORTS_32BIT_KERNEL
1096 select SYS_SUPPORTS_LITTLE_ENDIAN
1097 select SYS_SUPPORTS_BIG_ENDIAN
1098 select SYS_SUPPORTS_MIPS16
1099 select CPU_MIPSR2_IRQ_VI
1100
1101 config SOC_PNX8335
1102 bool
1103 select SOC_PNX833X
1104
1105 config SWAP_IO_SPACE
1106 bool
1107
1108 config SGI_HAS_INDYDOG
1109 bool
1110
1111 config SGI_HAS_HAL2
1112 bool
1113
1114 config SGI_HAS_SEEQ
1115 bool
1116
1117 config SGI_HAS_WD93
1118 bool
1119
1120 config SGI_HAS_ZILOG
1121 bool
1122
1123 config SGI_HAS_I8042
1124 bool
1125
1126 config DEFAULT_SGI_PARTITION
1127 bool
1128
1129 config FW_ARC32
1130 bool
1131
1132 config FW_SNIPROM
1133 bool
1134
1135 config BOOT_ELF32
1136 bool
1137
1138 config MIPS_L1_CACHE_SHIFT_4
1139 bool
1140
1141 config MIPS_L1_CACHE_SHIFT_5
1142 bool
1143
1144 config MIPS_L1_CACHE_SHIFT_6
1145 bool
1146
1147 config MIPS_L1_CACHE_SHIFT_7
1148 bool
1149
1150 config MIPS_L1_CACHE_SHIFT
1151 int
1152 default "4" if MIPS_L1_CACHE_SHIFT_4
1153 default "5" if MIPS_L1_CACHE_SHIFT_5
1154 default "6" if MIPS_L1_CACHE_SHIFT_6
1155 default "7" if MIPS_L1_CACHE_SHIFT_7
1156 default "5"
1157
1158 config HAVE_STD_PC_SERIAL_PORT
1159 bool
1160
1161 config ARC_CONSOLE
1162 bool "ARC console support"
1163 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1164
1165 config ARC_MEMORY
1166 bool
1167 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1168 default y
1169
1170 config ARC_PROMLIB
1171 bool
1172 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1173 default y
1174
1175 config FW_ARC64
1176 bool
1177
1178 config BOOT_ELF64
1179 bool
1180
1181 menu "CPU selection"
1182
1183 choice
1184 prompt "CPU type"
1185 default CPU_R4X00
1186
1187 config CPU_LOONGSON3
1188 bool "Loongson 3 CPU"
1189 depends on SYS_HAS_CPU_LOONGSON3
1190 select CPU_SUPPORTS_64BIT_KERNEL
1191 select CPU_SUPPORTS_HIGHMEM
1192 select CPU_SUPPORTS_HUGEPAGES
1193 select WEAK_ORDERING
1194 select WEAK_REORDERING_BEYOND_LLSC
1195 help
1196 The Loongson 3 processor implements the MIPS64R2 instruction
1197 set with many extensions.
1198
1199 config CPU_LOONGSON2E
1200 bool "Loongson 2E"
1201 depends on SYS_HAS_CPU_LOONGSON2E
1202 select CPU_LOONGSON2
1203 help
1204 The Loongson 2E processor implements the MIPS III instruction set
1205 with many extensions.
1206
1207 It has an internal FPGA northbridge, which is compatible to
1208 bonito64.
1209
1210 config CPU_LOONGSON2F
1211 bool "Loongson 2F"
1212 depends on SYS_HAS_CPU_LOONGSON2F
1213 select CPU_LOONGSON2
1214 select ARCH_REQUIRE_GPIOLIB
1215 help
1216 The Loongson 2F processor implements the MIPS III instruction set
1217 with many extensions.
1218
1219 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1220 have a similar programming interface with FPGA northbridge used in
1221 Loongson2E.
1222
1223 config CPU_LOONGSON1B
1224 bool "Loongson 1B"
1225 depends on SYS_HAS_CPU_LOONGSON1B
1226 select CPU_LOONGSON1
1227 help
1228 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1229 release 2 instruction set.
1230
1231 config CPU_MIPS32_R1
1232 bool "MIPS32 Release 1"
1233 depends on SYS_HAS_CPU_MIPS32_R1
1234 select CPU_HAS_PREFETCH
1235 select CPU_SUPPORTS_32BIT_KERNEL
1236 select CPU_SUPPORTS_HIGHMEM
1237 help
1238 Choose this option to build a kernel for release 1 or later of the
1239 MIPS32 architecture. Most modern embedded systems with a 32-bit
1240 MIPS processor are based on a MIPS32 processor. If you know the
1241 specific type of processor in your system, choose those that one
1242 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1243 Release 2 of the MIPS32 architecture is available since several
1244 years so chances are you even have a MIPS32 Release 2 processor
1245 in which case you should choose CPU_MIPS32_R2 instead for better
1246 performance.
1247
1248 config CPU_MIPS32_R2
1249 bool "MIPS32 Release 2"
1250 depends on SYS_HAS_CPU_MIPS32_R2
1251 select CPU_HAS_PREFETCH
1252 select CPU_SUPPORTS_32BIT_KERNEL
1253 select CPU_SUPPORTS_HIGHMEM
1254 select CPU_SUPPORTS_MSA
1255 select HAVE_KVM
1256 help
1257 Choose this option to build a kernel for release 2 or later of the
1258 MIPS32 architecture. Most modern embedded systems with a 32-bit
1259 MIPS processor are based on a MIPS32 processor. If you know the
1260 specific type of processor in your system, choose those that one
1261 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1262
1263 config CPU_MIPS64_R1
1264 bool "MIPS64 Release 1"
1265 depends on SYS_HAS_CPU_MIPS64_R1
1266 select CPU_HAS_PREFETCH
1267 select CPU_SUPPORTS_32BIT_KERNEL
1268 select CPU_SUPPORTS_64BIT_KERNEL
1269 select CPU_SUPPORTS_HIGHMEM
1270 select CPU_SUPPORTS_HUGEPAGES
1271 help
1272 Choose this option to build a kernel for release 1 or later of the
1273 MIPS64 architecture. Many modern embedded systems with a 64-bit
1274 MIPS processor are based on a MIPS64 processor. If you know the
1275 specific type of processor in your system, choose those that one
1276 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1277 Release 2 of the MIPS64 architecture is available since several
1278 years so chances are you even have a MIPS64 Release 2 processor
1279 in which case you should choose CPU_MIPS64_R2 instead for better
1280 performance.
1281
1282 config CPU_MIPS64_R2
1283 bool "MIPS64 Release 2"
1284 depends on SYS_HAS_CPU_MIPS64_R2
1285 select CPU_HAS_PREFETCH
1286 select CPU_SUPPORTS_32BIT_KERNEL
1287 select CPU_SUPPORTS_64BIT_KERNEL
1288 select CPU_SUPPORTS_HIGHMEM
1289 select CPU_SUPPORTS_HUGEPAGES
1290 select CPU_SUPPORTS_MSA
1291 help
1292 Choose this option to build a kernel for release 2 or later of the
1293 MIPS64 architecture. Many modern embedded systems with a 64-bit
1294 MIPS processor are based on a MIPS64 processor. If you know the
1295 specific type of processor in your system, choose those that one
1296 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1297
1298 config CPU_R3000
1299 bool "R3000"
1300 depends on SYS_HAS_CPU_R3000
1301 select CPU_HAS_WB
1302 select CPU_SUPPORTS_32BIT_KERNEL
1303 select CPU_SUPPORTS_HIGHMEM
1304 help
1305 Please make sure to pick the right CPU type. Linux/MIPS is not
1306 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1307 *not* work on R4000 machines and vice versa. However, since most
1308 of the supported machines have an R4000 (or similar) CPU, R4x00
1309 might be a safe bet. If the resulting kernel does not work,
1310 try to recompile with R3000.
1311
1312 config CPU_TX39XX
1313 bool "R39XX"
1314 depends on SYS_HAS_CPU_TX39XX
1315 select CPU_SUPPORTS_32BIT_KERNEL
1316
1317 config CPU_VR41XX
1318 bool "R41xx"
1319 depends on SYS_HAS_CPU_VR41XX
1320 select CPU_SUPPORTS_32BIT_KERNEL
1321 select CPU_SUPPORTS_64BIT_KERNEL
1322 help
1323 The options selects support for the NEC VR4100 series of processors.
1324 Only choose this option if you have one of these processors as a
1325 kernel built with this option will not run on any other type of
1326 processor or vice versa.
1327
1328 config CPU_R4300
1329 bool "R4300"
1330 depends on SYS_HAS_CPU_R4300
1331 select CPU_SUPPORTS_32BIT_KERNEL
1332 select CPU_SUPPORTS_64BIT_KERNEL
1333 help
1334 MIPS Technologies R4300-series processors.
1335
1336 config CPU_R4X00
1337 bool "R4x00"
1338 depends on SYS_HAS_CPU_R4X00
1339 select CPU_SUPPORTS_32BIT_KERNEL
1340 select CPU_SUPPORTS_64BIT_KERNEL
1341 select CPU_SUPPORTS_HUGEPAGES
1342 help
1343 MIPS Technologies R4000-series processors other than 4300, including
1344 the R4000, R4400, R4600, and 4700.
1345
1346 config CPU_TX49XX
1347 bool "R49XX"
1348 depends on SYS_HAS_CPU_TX49XX
1349 select CPU_HAS_PREFETCH
1350 select CPU_SUPPORTS_32BIT_KERNEL
1351 select CPU_SUPPORTS_64BIT_KERNEL
1352 select CPU_SUPPORTS_HUGEPAGES
1353
1354 config CPU_R5000
1355 bool "R5000"
1356 depends on SYS_HAS_CPU_R5000
1357 select CPU_SUPPORTS_32BIT_KERNEL
1358 select CPU_SUPPORTS_64BIT_KERNEL
1359 select CPU_SUPPORTS_HUGEPAGES
1360 help
1361 MIPS Technologies R5000-series processors other than the Nevada.
1362
1363 config CPU_R5432
1364 bool "R5432"
1365 depends on SYS_HAS_CPU_R5432
1366 select CPU_SUPPORTS_32BIT_KERNEL
1367 select CPU_SUPPORTS_64BIT_KERNEL
1368 select CPU_SUPPORTS_HUGEPAGES
1369
1370 config CPU_R5500
1371 bool "R5500"
1372 depends on SYS_HAS_CPU_R5500
1373 select CPU_SUPPORTS_32BIT_KERNEL
1374 select CPU_SUPPORTS_64BIT_KERNEL
1375 select CPU_SUPPORTS_HUGEPAGES
1376 help
1377 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1378 instruction set.
1379
1380 config CPU_R6000
1381 bool "R6000"
1382 depends on SYS_HAS_CPU_R6000
1383 select CPU_SUPPORTS_32BIT_KERNEL
1384 help
1385 MIPS Technologies R6000 and R6000A series processors. Note these
1386 processors are extremely rare and the support for them is incomplete.
1387
1388 config CPU_NEVADA
1389 bool "RM52xx"
1390 depends on SYS_HAS_CPU_NEVADA
1391 select CPU_SUPPORTS_32BIT_KERNEL
1392 select CPU_SUPPORTS_64BIT_KERNEL
1393 select CPU_SUPPORTS_HUGEPAGES
1394 help
1395 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1396
1397 config CPU_R8000
1398 bool "R8000"
1399 depends on SYS_HAS_CPU_R8000
1400 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_64BIT_KERNEL
1402 help
1403 MIPS Technologies R8000 processors. Note these processors are
1404 uncommon and the support for them is incomplete.
1405
1406 config CPU_R10000
1407 bool "R10000"
1408 depends on SYS_HAS_CPU_R10000
1409 select CPU_HAS_PREFETCH
1410 select CPU_SUPPORTS_32BIT_KERNEL
1411 select CPU_SUPPORTS_64BIT_KERNEL
1412 select CPU_SUPPORTS_HIGHMEM
1413 select CPU_SUPPORTS_HUGEPAGES
1414 help
1415 MIPS Technologies R10000-series processors.
1416
1417 config CPU_RM7000
1418 bool "RM7000"
1419 depends on SYS_HAS_CPU_RM7000
1420 select CPU_HAS_PREFETCH
1421 select CPU_SUPPORTS_32BIT_KERNEL
1422 select CPU_SUPPORTS_64BIT_KERNEL
1423 select CPU_SUPPORTS_HIGHMEM
1424 select CPU_SUPPORTS_HUGEPAGES
1425
1426 config CPU_SB1
1427 bool "SB1"
1428 depends on SYS_HAS_CPU_SB1
1429 select CPU_SUPPORTS_32BIT_KERNEL
1430 select CPU_SUPPORTS_64BIT_KERNEL
1431 select CPU_SUPPORTS_HIGHMEM
1432 select CPU_SUPPORTS_HUGEPAGES
1433 select WEAK_ORDERING
1434
1435 config CPU_CAVIUM_OCTEON
1436 bool "Cavium Octeon processor"
1437 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1438 select CPU_HAS_PREFETCH
1439 select CPU_SUPPORTS_64BIT_KERNEL
1440 select WEAK_ORDERING
1441 select CPU_SUPPORTS_HIGHMEM
1442 select CPU_SUPPORTS_HUGEPAGES
1443 select USB_EHCI_BIG_ENDIAN_MMIO
1444 select MIPS_L1_CACHE_SHIFT_7
1445 help
1446 The Cavium Octeon processor is a highly integrated chip containing
1447 many ethernet hardware widgets for networking tasks. The processor
1448 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1449 Full details can be found at http://www.caviumnetworks.com.
1450
1451 config CPU_BMIPS
1452 bool "Broadcom BMIPS"
1453 depends on SYS_HAS_CPU_BMIPS
1454 select CPU_MIPS32
1455 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1456 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1457 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1458 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1459 select CPU_SUPPORTS_32BIT_KERNEL
1460 select DMA_NONCOHERENT
1461 select IRQ_CPU
1462 select SWAP_IO_SPACE
1463 select WEAK_ORDERING
1464 select CPU_SUPPORTS_HIGHMEM
1465 select CPU_HAS_PREFETCH
1466 help
1467 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1468
1469 config CPU_XLR
1470 bool "Netlogic XLR SoC"
1471 depends on SYS_HAS_CPU_XLR
1472 select CPU_SUPPORTS_32BIT_KERNEL
1473 select CPU_SUPPORTS_64BIT_KERNEL
1474 select CPU_SUPPORTS_HIGHMEM
1475 select CPU_SUPPORTS_HUGEPAGES
1476 select WEAK_ORDERING
1477 select WEAK_REORDERING_BEYOND_LLSC
1478 help
1479 Netlogic Microsystems XLR/XLS processors.
1480
1481 config CPU_XLP
1482 bool "Netlogic XLP SoC"
1483 depends on SYS_HAS_CPU_XLP
1484 select CPU_SUPPORTS_32BIT_KERNEL
1485 select CPU_SUPPORTS_64BIT_KERNEL
1486 select CPU_SUPPORTS_HIGHMEM
1487 select WEAK_ORDERING
1488 select WEAK_REORDERING_BEYOND_LLSC
1489 select CPU_HAS_PREFETCH
1490 select CPU_MIPSR2
1491 help
1492 Netlogic Microsystems XLP processors.
1493 endchoice
1494
1495 config CPU_MIPS32_3_5_FEATURES
1496 bool "MIPS32 Release 3.5 Features"
1497 depends on SYS_HAS_CPU_MIPS32_R3_5
1498 depends on CPU_MIPS32_R2
1499 help
1500 Choose this option to build a kernel for release 2 or later of the
1501 MIPS32 architecture including features from the 3.5 release such as
1502 support for Enhanced Virtual Addressing (EVA).
1503
1504 config CPU_MIPS32_3_5_EVA
1505 bool "Enhanced Virtual Addressing (EVA)"
1506 depends on CPU_MIPS32_3_5_FEATURES
1507 select EVA
1508 default y
1509 help
1510 Choose this option if you want to enable the Enhanced Virtual
1511 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1512 One of its primary benefits is an increase in the maximum size
1513 of lowmem (up to 3GB). If unsure, say 'N' here.
1514
1515 if CPU_LOONGSON2F
1516 config CPU_NOP_WORKAROUNDS
1517 bool
1518
1519 config CPU_JUMP_WORKAROUNDS
1520 bool
1521
1522 config CPU_LOONGSON2F_WORKAROUNDS
1523 bool "Loongson 2F Workarounds"
1524 default y
1525 select CPU_NOP_WORKAROUNDS
1526 select CPU_JUMP_WORKAROUNDS
1527 help
1528 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1529 require workarounds. Without workarounds the system may hang
1530 unexpectedly. For more information please refer to the gas
1531 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1532
1533 Loongson 2F03 and later have fixed these issues and no workarounds
1534 are needed. The workarounds have no significant side effect on them
1535 but may decrease the performance of the system so this option should
1536 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1537 systems.
1538
1539 If unsure, please say Y.
1540 endif # CPU_LOONGSON2F
1541
1542 config SYS_SUPPORTS_ZBOOT
1543 bool
1544 select HAVE_KERNEL_GZIP
1545 select HAVE_KERNEL_BZIP2
1546 select HAVE_KERNEL_LZ4
1547 select HAVE_KERNEL_LZMA
1548 select HAVE_KERNEL_LZO
1549 select HAVE_KERNEL_XZ
1550
1551 config SYS_SUPPORTS_ZBOOT_UART16550
1552 bool
1553 select SYS_SUPPORTS_ZBOOT
1554
1555 config CPU_LOONGSON2
1556 bool
1557 select CPU_SUPPORTS_32BIT_KERNEL
1558 select CPU_SUPPORTS_64BIT_KERNEL
1559 select CPU_SUPPORTS_HIGHMEM
1560 select CPU_SUPPORTS_HUGEPAGES
1561
1562 config CPU_LOONGSON1
1563 bool
1564 select CPU_MIPS32
1565 select CPU_MIPSR2
1566 select CPU_HAS_PREFETCH
1567 select CPU_SUPPORTS_32BIT_KERNEL
1568 select CPU_SUPPORTS_HIGHMEM
1569
1570 config CPU_BMIPS32_3300
1571 select SMP_UP if SMP
1572 bool
1573
1574 config CPU_BMIPS4350
1575 bool
1576 select SYS_SUPPORTS_SMP
1577 select SYS_SUPPORTS_HOTPLUG_CPU
1578
1579 config CPU_BMIPS4380
1580 bool
1581 select SYS_SUPPORTS_SMP
1582 select SYS_SUPPORTS_HOTPLUG_CPU
1583
1584 config CPU_BMIPS5000
1585 bool
1586 select MIPS_CPU_SCACHE
1587 select SYS_SUPPORTS_SMP
1588 select SYS_SUPPORTS_HOTPLUG_CPU
1589
1590 config SYS_HAS_CPU_LOONGSON3
1591 bool
1592 select CPU_SUPPORTS_CPUFREQ
1593
1594 config SYS_HAS_CPU_LOONGSON2E
1595 bool
1596
1597 config SYS_HAS_CPU_LOONGSON2F
1598 bool
1599 select CPU_SUPPORTS_CPUFREQ
1600 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1601 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1602
1603 config SYS_HAS_CPU_LOONGSON1B
1604 bool
1605
1606 config SYS_HAS_CPU_MIPS32_R1
1607 bool
1608
1609 config SYS_HAS_CPU_MIPS32_R2
1610 bool
1611
1612 config SYS_HAS_CPU_MIPS32_R3_5
1613 bool
1614
1615 config SYS_HAS_CPU_MIPS64_R1
1616 bool
1617
1618 config SYS_HAS_CPU_MIPS64_R2
1619 bool
1620
1621 config SYS_HAS_CPU_R3000
1622 bool
1623
1624 config SYS_HAS_CPU_TX39XX
1625 bool
1626
1627 config SYS_HAS_CPU_VR41XX
1628 bool
1629
1630 config SYS_HAS_CPU_R4300
1631 bool
1632
1633 config SYS_HAS_CPU_R4X00
1634 bool
1635
1636 config SYS_HAS_CPU_TX49XX
1637 bool
1638
1639 config SYS_HAS_CPU_R5000
1640 bool
1641
1642 config SYS_HAS_CPU_R5432
1643 bool
1644
1645 config SYS_HAS_CPU_R5500
1646 bool
1647
1648 config SYS_HAS_CPU_R6000
1649 bool
1650
1651 config SYS_HAS_CPU_NEVADA
1652 bool
1653
1654 config SYS_HAS_CPU_R8000
1655 bool
1656
1657 config SYS_HAS_CPU_R10000
1658 bool
1659
1660 config SYS_HAS_CPU_RM7000
1661 bool
1662
1663 config SYS_HAS_CPU_SB1
1664 bool
1665
1666 config SYS_HAS_CPU_CAVIUM_OCTEON
1667 bool
1668
1669 config SYS_HAS_CPU_BMIPS
1670 bool
1671
1672 config SYS_HAS_CPU_BMIPS32_3300
1673 bool
1674 select SYS_HAS_CPU_BMIPS
1675
1676 config SYS_HAS_CPU_BMIPS4350
1677 bool
1678 select SYS_HAS_CPU_BMIPS
1679
1680 config SYS_HAS_CPU_BMIPS4380
1681 bool
1682 select SYS_HAS_CPU_BMIPS
1683
1684 config SYS_HAS_CPU_BMIPS5000
1685 bool
1686 select SYS_HAS_CPU_BMIPS
1687
1688 config SYS_HAS_CPU_XLR
1689 bool
1690
1691 config SYS_HAS_CPU_XLP
1692 bool
1693
1694 config MIPS_MALTA_PM
1695 depends on MIPS_MALTA
1696 depends on PCI
1697 bool
1698 default y
1699
1700 #
1701 # CPU may reorder R->R, R->W, W->R, W->W
1702 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1703 #
1704 config WEAK_ORDERING
1705 bool
1706
1707 #
1708 # CPU may reorder reads and writes beyond LL/SC
1709 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1710 #
1711 config WEAK_REORDERING_BEYOND_LLSC
1712 bool
1713 endmenu
1714
1715 #
1716 # These two indicate any level of the MIPS32 and MIPS64 architecture
1717 #
1718 config CPU_MIPS32
1719 bool
1720 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1721
1722 config CPU_MIPS64
1723 bool
1724 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1725
1726 #
1727 # These two indicate the revision of the architecture, either Release 1 or Release 2
1728 #
1729 config CPU_MIPSR1
1730 bool
1731 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1732
1733 config CPU_MIPSR2
1734 bool
1735 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1736
1737 config EVA
1738 bool
1739
1740 config SYS_SUPPORTS_32BIT_KERNEL
1741 bool
1742 config SYS_SUPPORTS_64BIT_KERNEL
1743 bool
1744 config CPU_SUPPORTS_32BIT_KERNEL
1745 bool
1746 config CPU_SUPPORTS_64BIT_KERNEL
1747 bool
1748 config CPU_SUPPORTS_CPUFREQ
1749 bool
1750 config CPU_SUPPORTS_ADDRWINCFG
1751 bool
1752 config CPU_SUPPORTS_HUGEPAGES
1753 bool
1754 config CPU_SUPPORTS_UNCACHED_ACCELERATED
1755 bool
1756 config MIPS_PGD_C0_CONTEXT
1757 bool
1758 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1759
1760 #
1761 # Set to y for ptrace access to watch registers.
1762 #
1763 config HARDWARE_WATCHPOINTS
1764 bool
1765 default y if CPU_MIPSR1 || CPU_MIPSR2
1766
1767 menu "Kernel type"
1768
1769 choice
1770 prompt "Kernel code model"
1771 help
1772 You should only select this option if you have a workload that
1773 actually benefits from 64-bit processing or if your machine has
1774 large memory. You will only be presented a single option in this
1775 menu if your system does not support both 32-bit and 64-bit kernels.
1776
1777 config 32BIT
1778 bool "32-bit kernel"
1779 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1780 select TRAD_SIGNALS
1781 help
1782 Select this option if you want to build a 32-bit kernel.
1783 config 64BIT
1784 bool "64-bit kernel"
1785 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1786 help
1787 Select this option if you want to build a 64-bit kernel.
1788
1789 endchoice
1790
1791 config KVM_GUEST
1792 bool "KVM Guest Kernel"
1793 depends on BROKEN_ON_SMP
1794 help
1795 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1796
1797 config KVM_GUEST_TIMER_FREQ
1798 int "Count/Compare Timer Frequency (MHz)"
1799 depends on KVM_GUEST
1800 default 100
1801 help
1802 Set this to non-zero if building a guest kernel for KVM to skip RTC
1803 emulation when determining guest CPU Frequency. Instead, the guest's
1804 timer frequency is specified directly.
1805
1806 choice
1807 prompt "Kernel page size"
1808 default PAGE_SIZE_4KB
1809
1810 config PAGE_SIZE_4KB
1811 bool "4kB"
1812 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1813 help
1814 This option select the standard 4kB Linux page size. On some
1815 R3000-family processors this is the only available page size. Using
1816 4kB page size will minimize memory consumption and is therefore
1817 recommended for low memory systems.
1818
1819 config PAGE_SIZE_8KB
1820 bool "8kB"
1821 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1822 help
1823 Using 8kB page size will result in higher performance kernel at
1824 the price of higher memory consumption. This option is available
1825 only on R8000 and cnMIPS processors. Note that you will need a
1826 suitable Linux distribution to support this.
1827
1828 config PAGE_SIZE_16KB
1829 bool "16kB"
1830 depends on !CPU_R3000 && !CPU_TX39XX
1831 help
1832 Using 16kB page size will result in higher performance kernel at
1833 the price of higher memory consumption. This option is available on
1834 all non-R3000 family processors. Note that you will need a suitable
1835 Linux distribution to support this.
1836
1837 config PAGE_SIZE_32KB
1838 bool "32kB"
1839 depends on CPU_CAVIUM_OCTEON
1840 help
1841 Using 32kB page size will result in higher performance kernel at
1842 the price of higher memory consumption. This option is available
1843 only on cnMIPS cores. Note that you will need a suitable Linux
1844 distribution to support this.
1845
1846 config PAGE_SIZE_64KB
1847 bool "64kB"
1848 depends on !CPU_R3000 && !CPU_TX39XX
1849 help
1850 Using 64kB page size will result in higher performance kernel at
1851 the price of higher memory consumption. This option is available on
1852 all non-R3000 family processor. Not that at the time of this
1853 writing this option is still high experimental.
1854
1855 endchoice
1856
1857 config FORCE_MAX_ZONEORDER
1858 int "Maximum zone order"
1859 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1860 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1861 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1862 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1863 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1864 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1865 range 11 64
1866 default "11"
1867 help
1868 The kernel memory allocator divides physically contiguous memory
1869 blocks into "zones", where each zone is a power of two number of
1870 pages. This option selects the largest power of two that the kernel
1871 keeps in the memory allocator. If you need to allocate very large
1872 blocks of physically contiguous memory, then you may need to
1873 increase this value.
1874
1875 This config option is actually maximum order plus one. For example,
1876 a value of 11 means that the largest free memory block is 2^10 pages.
1877
1878 The page size is not necessarily 4KB. Keep this in mind
1879 when choosing a value for this option.
1880
1881 config CEVT_GIC
1882 bool "Use GIC global counter for clock events"
1883 depends on IRQ_GIC && !MIPS_SEAD3
1884 help
1885 Use the GIC global counter for the clock events. The R4K clock
1886 event driver is always present, so if the platform ends up not
1887 detecting a GIC, it will fall back to the R4K timer for the
1888 generation of clock events.
1889
1890 config BOARD_SCACHE
1891 bool
1892
1893 config IP22_CPU_SCACHE
1894 bool
1895 select BOARD_SCACHE
1896
1897 #
1898 # Support for a MIPS32 / MIPS64 style S-caches
1899 #
1900 config MIPS_CPU_SCACHE
1901 bool
1902 select BOARD_SCACHE
1903 select MIPS_L1_CACHE_SHIFT_6
1904
1905 config R5000_CPU_SCACHE
1906 bool
1907 select BOARD_SCACHE
1908
1909 config RM7000_CPU_SCACHE
1910 bool
1911 select BOARD_SCACHE
1912
1913 config SIBYTE_DMA_PAGEOPS
1914 bool "Use DMA to clear/copy pages"
1915 depends on CPU_SB1
1916 help
1917 Instead of using the CPU to zero and copy pages, use a Data Mover
1918 channel. These DMA channels are otherwise unused by the standard
1919 SiByte Linux port. Seems to give a small performance benefit.
1920
1921 config CPU_HAS_PREFETCH
1922 bool
1923
1924 config CPU_GENERIC_DUMP_TLB
1925 bool
1926 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1927
1928 config CPU_R4K_FPU
1929 bool
1930 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1931
1932 config CPU_R4K_CACHE_TLB
1933 bool
1934 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1935
1936 config MIPS_MT_SMP
1937 bool "MIPS MT SMP support (1 TC on each available VPE)"
1938 depends on SYS_SUPPORTS_MULTITHREADING
1939 select CPU_MIPSR2_IRQ_VI
1940 select CPU_MIPSR2_IRQ_EI
1941 select SYNC_R4K
1942 select MIPS_GIC_IPI
1943 select MIPS_MT
1944 select SMP
1945 select SMP_UP
1946 select SYS_SUPPORTS_SMP
1947 select SYS_SUPPORTS_SCHED_SMT
1948 select MIPS_PERF_SHARED_TC_COUNTERS
1949 help
1950 This is a kernel model which is known as SMVP. This is supported
1951 on cores with the MT ASE and uses the available VPEs to implement
1952 virtual processors which supports SMP. This is equivalent to the
1953 Intel Hyperthreading feature. For further information go to
1954 <http://www.imgtec.com/mips/mips-multithreading.asp>.
1955
1956 config MIPS_MT
1957 bool
1958
1959 config SCHED_SMT
1960 bool "SMT (multithreading) scheduler support"
1961 depends on SYS_SUPPORTS_SCHED_SMT
1962 default n
1963 help
1964 SMT scheduler support improves the CPU scheduler's decision making
1965 when dealing with MIPS MT enabled cores at a cost of slightly
1966 increased overhead in some places. If unsure say N here.
1967
1968 config SYS_SUPPORTS_SCHED_SMT
1969 bool
1970
1971 config SYS_SUPPORTS_MULTITHREADING
1972 bool
1973
1974 config MIPS_MT_FPAFF
1975 bool "Dynamic FPU affinity for FP-intensive threads"
1976 default y
1977 depends on MIPS_MT_SMP
1978
1979 config MIPS_VPE_LOADER
1980 bool "VPE loader support."
1981 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
1982 select CPU_MIPSR2_IRQ_VI
1983 select CPU_MIPSR2_IRQ_EI
1984 select MIPS_MT
1985 help
1986 Includes a loader for loading an elf relocatable object
1987 onto another VPE and running it.
1988
1989 config MIPS_VPE_LOADER_CMP
1990 bool
1991 default "y"
1992 depends on MIPS_VPE_LOADER && MIPS_CMP
1993
1994 config MIPS_VPE_LOADER_MT
1995 bool
1996 default "y"
1997 depends on MIPS_VPE_LOADER && !MIPS_CMP
1998
1999 config MIPS_VPE_LOADER_TOM
2000 bool "Load VPE program into memory hidden from linux"
2001 depends on MIPS_VPE_LOADER
2002 default y
2003 help
2004 The loader can use memory that is present but has been hidden from
2005 Linux using the kernel command line option "mem=xxMB". It's up to
2006 you to ensure the amount you put in the option and the space your
2007 program requires is less or equal to the amount physically present.
2008
2009 config MIPS_VPE_APSP_API
2010 bool "Enable support for AP/SP API (RTLX)"
2011 depends on MIPS_VPE_LOADER
2012 help
2013
2014 config MIPS_VPE_APSP_API_CMP
2015 bool
2016 default "y"
2017 depends on MIPS_VPE_APSP_API && MIPS_CMP
2018
2019 config MIPS_VPE_APSP_API_MT
2020 bool
2021 default "y"
2022 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2023
2024 config MIPS_CMP
2025 bool "MIPS CMP framework support (DEPRECATED)"
2026 depends on SYS_SUPPORTS_MIPS_CMP
2027 select MIPS_GIC_IPI
2028 select SYNC_R4K
2029 select WEAK_ORDERING
2030 default n
2031 help
2032 Select this if you are using a bootloader which implements the "CMP
2033 framework" protocol (ie. YAMON) and want your kernel to make use of
2034 its ability to start secondary CPUs.
2035
2036 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2037 instead of this.
2038
2039 config MIPS_CPS
2040 bool "MIPS Coherent Processing System support"
2041 depends on SYS_SUPPORTS_MIPS_CPS
2042 select MIPS_CM
2043 select MIPS_CPC
2044 select MIPS_CPS_PM if HOTPLUG_CPU
2045 select MIPS_GIC_IPI
2046 select SMP
2047 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2048 select SYS_SUPPORTS_HOTPLUG_CPU
2049 select SYS_SUPPORTS_SMP
2050 select WEAK_ORDERING
2051 help
2052 Select this if you wish to run an SMP kernel across multiple cores
2053 within a MIPS Coherent Processing System. When this option is
2054 enabled the kernel will probe for other cores and boot them with
2055 no external assistance. It is safe to enable this when hardware
2056 support is unavailable.
2057
2058 config MIPS_CPS_PM
2059 bool
2060
2061 config MIPS_GIC_IPI
2062 bool
2063
2064 config MIPS_CM
2065 bool
2066
2067 config MIPS_CPC
2068 bool
2069
2070 config SB1_PASS_1_WORKAROUNDS
2071 bool
2072 depends on CPU_SB1_PASS_1
2073 default y
2074
2075 config SB1_PASS_2_WORKAROUNDS
2076 bool
2077 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2078 default y
2079
2080 config SB1_PASS_2_1_WORKAROUNDS
2081 bool
2082 depends on CPU_SB1 && CPU_SB1_PASS_2
2083 default y
2084
2085
2086 config 64BIT_PHYS_ADDR
2087 bool
2088
2089 config ARCH_PHYS_ADDR_T_64BIT
2090 def_bool 64BIT_PHYS_ADDR
2091
2092 config CPU_HAS_SMARTMIPS
2093 depends on SYS_SUPPORTS_SMARTMIPS
2094 bool "Support for the SmartMIPS ASE"
2095 help
2096 SmartMIPS is a extension of the MIPS32 architecture aimed at
2097 increased security at both hardware and software level for
2098 smartcards. Enabling this option will allow proper use of the
2099 SmartMIPS instructions by Linux applications. However a kernel with
2100 this option will not work on a MIPS core without SmartMIPS core. If
2101 you don't know you probably don't have SmartMIPS and should say N
2102 here.
2103
2104 config CPU_MICROMIPS
2105 depends on SYS_SUPPORTS_MICROMIPS
2106 bool "Build kernel using microMIPS ISA"
2107 help
2108 When this option is enabled the kernel will be built using the
2109 microMIPS ISA
2110
2111 config CPU_HAS_MSA
2112 bool "Support for the MIPS SIMD Architecture"
2113 depends on CPU_SUPPORTS_MSA
2114 default y
2115 help
2116 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2117 and a set of SIMD instructions to operate on them. When this option
2118 is enabled the kernel will support allocating & switching MSA
2119 vector register contexts. If you know that your kernel will only be
2120 running on CPUs which do not support MSA or that your userland will
2121 not be making use of it then you may wish to say N here to reduce
2122 the size & complexity of your kernel.
2123
2124 If unsure, say Y.
2125
2126 config CPU_HAS_WB
2127 bool
2128
2129 config XKS01
2130 bool
2131
2132 #
2133 # Vectored interrupt mode is an R2 feature
2134 #
2135 config CPU_MIPSR2_IRQ_VI
2136 bool
2137
2138 #
2139 # Extended interrupt mode is an R2 feature
2140 #
2141 config CPU_MIPSR2_IRQ_EI
2142 bool
2143
2144 config CPU_HAS_SYNC
2145 bool
2146 depends on !CPU_R3000
2147 default y
2148
2149 #
2150 # CPU non-features
2151 #
2152 config CPU_DADDI_WORKAROUNDS
2153 bool
2154
2155 config CPU_R4000_WORKAROUNDS
2156 bool
2157 select CPU_R4400_WORKAROUNDS
2158
2159 config CPU_R4400_WORKAROUNDS
2160 bool
2161
2162 #
2163 # - Highmem only makes sense for the 32-bit kernel.
2164 # - The current highmem code will only work properly on physically indexed
2165 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2166 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2167 # moment we protect the user and offer the highmem option only on machines
2168 # where it's known to be safe. This will not offer highmem on a few systems
2169 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2170 # indexed CPUs but we're playing safe.
2171 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2172 # know they might have memory configurations that could make use of highmem
2173 # support.
2174 #
2175 config HIGHMEM
2176 bool "High Memory Support"
2177 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2178
2179 config CPU_SUPPORTS_HIGHMEM
2180 bool
2181
2182 config SYS_SUPPORTS_HIGHMEM
2183 bool
2184
2185 config SYS_SUPPORTS_SMARTMIPS
2186 bool
2187
2188 config SYS_SUPPORTS_MICROMIPS
2189 bool
2190
2191 config SYS_SUPPORTS_MIPS16
2192 bool
2193 help
2194 This option must be set if a kernel might be executed on a MIPS16-
2195 enabled CPU even if MIPS16 is not actually being used. In other
2196 words, it makes the kernel MIPS16-tolerant.
2197
2198 config CPU_SUPPORTS_MSA
2199 bool
2200
2201 config ARCH_FLATMEM_ENABLE
2202 def_bool y
2203 depends on !NUMA && !CPU_LOONGSON2
2204
2205 config ARCH_DISCONTIGMEM_ENABLE
2206 bool
2207 default y if SGI_IP27
2208 help
2209 Say Y to support efficient handling of discontiguous physical memory,
2210 for architectures which are either NUMA (Non-Uniform Memory Access)
2211 or have huge holes in the physical address space for other reasons.
2212 See <file:Documentation/vm/numa> for more.
2213
2214 config ARCH_SPARSEMEM_ENABLE
2215 bool
2216 select SPARSEMEM_STATIC
2217
2218 config NUMA
2219 bool "NUMA Support"
2220 depends on SYS_SUPPORTS_NUMA
2221 help
2222 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2223 Access). This option improves performance on systems with more
2224 than two nodes; on two node systems it is generally better to
2225 leave it disabled; on single node systems disable this option
2226 disabled.
2227
2228 config SYS_SUPPORTS_NUMA
2229 bool
2230
2231 config NODES_SHIFT
2232 int
2233 default "6"
2234 depends on NEED_MULTIPLE_NODES
2235
2236 config HW_PERF_EVENTS
2237 bool "Enable hardware performance counter support for perf events"
2238 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2239 default y
2240 help
2241 Enable hardware performance counter support for perf events. If
2242 disabled, perf events will use software events only.
2243
2244 source "mm/Kconfig"
2245
2246 config SMP
2247 bool "Multi-Processing support"
2248 depends on SYS_SUPPORTS_SMP
2249 help
2250 This enables support for systems with more than one CPU. If you have
2251 a system with only one CPU, say N. If you have a system with more
2252 than one CPU, say Y.
2253
2254 If you say N here, the kernel will run on uni- and multiprocessor
2255 machines, but will use only one CPU of a multiprocessor machine. If
2256 you say Y here, the kernel will run on many, but not all,
2257 uniprocessor machines. On a uniprocessor machine, the kernel
2258 will run faster if you say N here.
2259
2260 People using multiprocessor machines who say Y here should also say
2261 Y to "Enhanced Real Time Clock Support", below.
2262
2263 See also the SMP-HOWTO available at
2264 <http://www.tldp.org/docs.html#howto>.
2265
2266 If you don't know what to do here, say N.
2267
2268 config SMP_UP
2269 bool
2270
2271 config SYS_SUPPORTS_MIPS_CMP
2272 bool
2273
2274 config SYS_SUPPORTS_MIPS_CPS
2275 bool
2276
2277 config SYS_SUPPORTS_SMP
2278 bool
2279
2280 config NR_CPUS_DEFAULT_4
2281 bool
2282
2283 config NR_CPUS_DEFAULT_8
2284 bool
2285
2286 config NR_CPUS_DEFAULT_16
2287 bool
2288
2289 config NR_CPUS_DEFAULT_32
2290 bool
2291
2292 config NR_CPUS_DEFAULT_64
2293 bool
2294
2295 config NR_CPUS
2296 int "Maximum number of CPUs (2-256)"
2297 range 2 256
2298 depends on SMP
2299 default "4" if NR_CPUS_DEFAULT_4
2300 default "8" if NR_CPUS_DEFAULT_8
2301 default "16" if NR_CPUS_DEFAULT_16
2302 default "32" if NR_CPUS_DEFAULT_32
2303 default "64" if NR_CPUS_DEFAULT_64
2304 help
2305 This allows you to specify the maximum number of CPUs which this
2306 kernel will support. The maximum supported value is 32 for 32-bit
2307 kernel and 64 for 64-bit kernels; the minimum value which makes
2308 sense is 1 for Qemu (useful only for kernel debugging purposes)
2309 and 2 for all others.
2310
2311 This is purely to save memory - each supported CPU adds
2312 approximately eight kilobytes to the kernel image. For best
2313 performance should round up your number of processors to the next
2314 power of two.
2315
2316 config MIPS_PERF_SHARED_TC_COUNTERS
2317 bool
2318
2319 #
2320 # Timer Interrupt Frequency Configuration
2321 #
2322
2323 choice
2324 prompt "Timer frequency"
2325 default HZ_250
2326 help
2327 Allows the configuration of the timer frequency.
2328
2329 config HZ_48
2330 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2331
2332 config HZ_100
2333 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2334
2335 config HZ_128
2336 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2337
2338 config HZ_250
2339 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2340
2341 config HZ_256
2342 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2343
2344 config HZ_1000
2345 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2346
2347 config HZ_1024
2348 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2349
2350 endchoice
2351
2352 config SYS_SUPPORTS_48HZ
2353 bool
2354
2355 config SYS_SUPPORTS_100HZ
2356 bool
2357
2358 config SYS_SUPPORTS_128HZ
2359 bool
2360
2361 config SYS_SUPPORTS_250HZ
2362 bool
2363
2364 config SYS_SUPPORTS_256HZ
2365 bool
2366
2367 config SYS_SUPPORTS_1000HZ
2368 bool
2369
2370 config SYS_SUPPORTS_1024HZ
2371 bool
2372
2373 config SYS_SUPPORTS_ARBIT_HZ
2374 bool
2375 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2376 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2377 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2378 !SYS_SUPPORTS_1024HZ
2379
2380 config HZ
2381 int
2382 default 48 if HZ_48
2383 default 100 if HZ_100
2384 default 128 if HZ_128
2385 default 250 if HZ_250
2386 default 256 if HZ_256
2387 default 1000 if HZ_1000
2388 default 1024 if HZ_1024
2389
2390 source "kernel/Kconfig.preempt"
2391
2392 config KEXEC
2393 bool "Kexec system call"
2394 help
2395 kexec is a system call that implements the ability to shutdown your
2396 current kernel, and to start another kernel. It is like a reboot
2397 but it is independent of the system firmware. And like a reboot
2398 you can start any kernel with it, not just Linux.
2399
2400 The name comes from the similarity to the exec system call.
2401
2402 It is an ongoing process to be certain the hardware in a machine
2403 is properly shutdown, so do not be surprised if this code does not
2404 initially work for you. As of this writing the exact hardware
2405 interface is strongly in flux, so no good recommendation can be
2406 made.
2407
2408 config CRASH_DUMP
2409 bool "Kernel crash dumps"
2410 help
2411 Generate crash dump after being started by kexec.
2412 This should be normally only set in special crash dump kernels
2413 which are loaded in the main kernel with kexec-tools into
2414 a specially reserved region and then later executed after
2415 a crash by kdump/kexec. The crash dump kernel must be compiled
2416 to a memory address not used by the main kernel or firmware using
2417 PHYSICAL_START.
2418
2419 config PHYSICAL_START
2420 hex "Physical address where the kernel is loaded"
2421 default "0xffffffff84000000" if 64BIT
2422 default "0x84000000" if 32BIT
2423 depends on CRASH_DUMP
2424 help
2425 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2426 If you plan to use kernel for capturing the crash dump change
2427 this value to start of the reserved region (the "X" value as
2428 specified in the "crashkernel=YM@XM" command line boot parameter
2429 passed to the panic-ed kernel).
2430
2431 config SECCOMP
2432 bool "Enable seccomp to safely compute untrusted bytecode"
2433 depends on PROC_FS
2434 default y
2435 help
2436 This kernel feature is useful for number crunching applications
2437 that may need to compute untrusted bytecode during their
2438 execution. By using pipes or other transports made available to
2439 the process as file descriptors supporting the read/write
2440 syscalls, it's possible to isolate those applications in
2441 their own address space using seccomp. Once seccomp is
2442 enabled via /proc/<pid>/seccomp, it cannot be disabled
2443 and the task is only allowed to execute a few safe syscalls
2444 defined by each seccomp mode.
2445
2446 If unsure, say Y. Only embedded should say N here.
2447
2448 config MIPS_O32_FP64_SUPPORT
2449 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2450 depends on 32BIT || MIPS32_O32
2451 help
2452 When this is enabled, the kernel will support use of 64-bit floating
2453 point registers with binaries using the O32 ABI along with the
2454 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2455 32-bit MIPS systems this support is at the cost of increasing the
2456 size and complexity of the compiled FPU emulator. Thus if you are
2457 running a MIPS32 system and know that none of your userland binaries
2458 will require 64-bit floating point, you may wish to reduce the size
2459 of your kernel & potentially improve FP emulation performance by
2460 saying N here.
2461
2462 Although binutils currently supports use of this flag the details
2463 concerning its effect upon the O32 ABI in userland are still being
2464 worked on. In order to avoid userland becoming dependant upon current
2465 behaviour before the details have been finalised, this option should
2466 be considered experimental and only enabled by those working upon
2467 said details.
2468
2469 If unsure, say N.
2470
2471 config USE_OF
2472 bool
2473 select OF
2474 select OF_EARLY_FLATTREE
2475 select IRQ_DOMAIN
2476
2477 endmenu
2478
2479 config LOCKDEP_SUPPORT
2480 bool
2481 default y
2482
2483 config STACKTRACE_SUPPORT
2484 bool
2485 default y
2486
2487 source "init/Kconfig"
2488
2489 source "kernel/Kconfig.freezer"
2490
2491 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2492
2493 config HW_HAS_EISA
2494 bool
2495 config HW_HAS_PCI
2496 bool
2497
2498 config PCI
2499 bool "Support for PCI controller"
2500 depends on HW_HAS_PCI
2501 select PCI_DOMAINS
2502 select NO_GENERIC_PCI_IOPORT_MAP
2503 help
2504 Find out whether you have a PCI motherboard. PCI is the name of a
2505 bus system, i.e. the way the CPU talks to the other stuff inside
2506 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2507 say Y, otherwise N.
2508
2509 config HT_PCI
2510 bool "Support for HT-linked PCI"
2511 default y
2512 depends on CPU_LOONGSON3
2513 select PCI
2514 select PCI_DOMAINS
2515 help
2516 Loongson family machines use Hyper-Transport bus for inter-core
2517 connection and device connection. The PCI bus is a subordinate
2518 linked at HT. Choose Y for Loongson-3 based machines.
2519
2520 config PCI_DOMAINS
2521 bool
2522
2523 source "drivers/pci/Kconfig"
2524
2525 source "drivers/pci/pcie/Kconfig"
2526
2527 #
2528 # ISA support is now enabled via select. Too many systems still have the one
2529 # or other ISA chip on the board that users don't know about so don't expect
2530 # users to choose the right thing ...
2531 #
2532 config ISA
2533 bool
2534
2535 config EISA
2536 bool "EISA support"
2537 depends on HW_HAS_EISA
2538 select ISA
2539 select GENERIC_ISA_DMA
2540 ---help---
2541 The Extended Industry Standard Architecture (EISA) bus was
2542 developed as an open alternative to the IBM MicroChannel bus.
2543
2544 The EISA bus provided some of the features of the IBM MicroChannel
2545 bus while maintaining backward compatibility with cards made for
2546 the older ISA bus. The EISA bus saw limited use between 1988 and
2547 1995 when it was made obsolete by the PCI bus.
2548
2549 Say Y here if you are building a kernel for an EISA-based machine.
2550
2551 Otherwise, say N.
2552
2553 source "drivers/eisa/Kconfig"
2554
2555 config TC
2556 bool "TURBOchannel support"
2557 depends on MACH_DECSTATION
2558 help
2559 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2560 processors. TURBOchannel programming specifications are available
2561 at:
2562 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2563 and:
2564 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2565 Linux driver support status is documented at:
2566 <http://www.linux-mips.org/wiki/DECstation>
2567
2568 config MMU
2569 bool
2570 default y
2571
2572 config I8253
2573 bool
2574 select CLKSRC_I8253
2575 select CLKEVT_I8253
2576 select MIPS_EXTERNAL_TIMER
2577
2578 config ZONE_DMA
2579 bool
2580
2581 config ZONE_DMA32
2582 bool
2583
2584 source "drivers/pcmcia/Kconfig"
2585
2586 source "drivers/pci/hotplug/Kconfig"
2587
2588 config RAPIDIO
2589 tristate "RapidIO support"
2590 depends on PCI
2591 default n
2592 help
2593 If you say Y here, the kernel will include drivers and
2594 infrastructure code to support RapidIO interconnect devices.
2595
2596 source "drivers/rapidio/Kconfig"
2597
2598 endmenu
2599
2600 menu "Executable file formats"
2601
2602 source "fs/Kconfig.binfmt"
2603
2604 config TRAD_SIGNALS
2605 bool
2606
2607 config MIPS32_COMPAT
2608 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2609 depends on 64BIT
2610 help
2611 Select this option if you want Linux/MIPS 32-bit binary
2612 compatibility. Since all software available for Linux/MIPS is
2613 currently 32-bit you should say Y here.
2614
2615 config COMPAT
2616 bool
2617 depends on MIPS32_COMPAT
2618 select ARCH_WANT_OLD_COMPAT_IPC
2619 default y
2620
2621 config SYSVIPC_COMPAT
2622 bool
2623 depends on COMPAT && SYSVIPC
2624 default y
2625
2626 config MIPS32_O32
2627 bool "Kernel support for o32 binaries"
2628 depends on MIPS32_COMPAT
2629 help
2630 Select this option if you want to run o32 binaries. These are pure
2631 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2632 existing binaries are in this format.
2633
2634 If unsure, say Y.
2635
2636 config MIPS32_N32
2637 bool "Kernel support for n32 binaries"
2638 depends on MIPS32_COMPAT
2639 help
2640 Select this option if you want to run n32 binaries. These are
2641 64-bit binaries using 32-bit quantities for addressing and certain
2642 data that would normally be 64-bit. They are used in special
2643 cases.
2644
2645 If unsure, say N.
2646
2647 config BINFMT_ELF32
2648 bool
2649 default y if MIPS32_O32 || MIPS32_N32
2650
2651 endmenu
2652
2653 menu "Power management options"
2654
2655 config ARCH_HIBERNATION_POSSIBLE
2656 def_bool y
2657 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2658
2659 config ARCH_SUSPEND_POSSIBLE
2660 def_bool y
2661 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
2662
2663 source "kernel/power/Kconfig"
2664
2665 endmenu
2666
2667 config MIPS_EXTERNAL_TIMER
2668 bool
2669
2670 menu "CPU Power Management"
2671
2672 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2673 source "drivers/cpufreq/Kconfig"
2674 endif
2675
2676 source "drivers/cpuidle/Kconfig"
2677
2678 endmenu
2679
2680 source "net/Kconfig"
2681
2682 source "drivers/Kconfig"
2683
2684 source "drivers/firmware/Kconfig"
2685
2686 source "fs/Kconfig"
2687
2688 source "arch/mips/Kconfig.debug"
2689
2690 source "security/Kconfig"
2691
2692 source "crypto/Kconfig"
2693
2694 source "lib/Kconfig"
2695
2696 source "arch/mips/kvm/Kconfig"
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