MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platforms
[deliverable/linux.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
ec7748b5 4 select HAVE_IDE
42d4b839 5 select HAVE_OPROFILE
88547001 6 select HAVE_ARCH_KGDB
1da177e4
LT
7 # Horrible source of confusion. Die, die, die ...
8 select EMBEDDED
90b02340 9 select RTC_LIB
1da177e4 10
875d43e7
RB
11mainmenu "Linux/MIPS Kernel Configuration"
12
1da177e4
LT
13menu "Machine selection"
14
5ac6da66
CL
15config ZONE_DMA
16 bool
5ac6da66 17
5e83d430
RB
18choice
19 prompt "System type"
20 default SGI_IP22
1da177e4 21
c3543e25
YY
22config MACH_ALCHEMY
23 bool "Alchemy processor based machines"
1da177e4 24
35189fad 25config BASLER_EXCITE
be91589e 26 bool "Basler eXcite smart camera"
42f77542 27 select CEVT_R4K
940f6b48 28 select CSRC_R4K
35189fad
RB
29 select DMA_COHERENT
30 select HW_HAS_PCI
31 select IRQ_CPU
32 select IRQ_CPU_RM7K
33 select IRQ_CPU_RM9K
663c3d90 34 select MIPS_RM9122
35189fad
RB
35 select SYS_HAS_CPU_RM9000
36 select SYS_SUPPORTS_32BIT_KERNEL
35189fad
RB
37 select SYS_SUPPORTS_BIG_ENDIAN
38 help
39 The eXcite is a smart camera platform manufactured by
be91589e 40 Basler Vision Technologies AG.
35189fad 41
1c0c13eb
AJ
42config BCM47XX
43 bool "BCM47XX based boards"
42f77542 44 select CEVT_R4K
940f6b48 45 select CSRC_R4K
1c0c13eb
AJ
46 select DMA_NONCOHERENT
47 select HW_HAS_PCI
48 select IRQ_CPU
49 select SYS_HAS_CPU_MIPS32_R1
50 select SYS_SUPPORTS_32BIT_KERNEL
51 select SYS_SUPPORTS_LITTLE_ENDIAN
52 select SSB
53 select SSB_DRIVER_MIPS
2f02c15a 54 select SSB_DRIVER_EXTIF
b06f3e19 55 select SSB_EMBEDDED
2f02c15a 56 select SSB_PCICORE_HOSTMODE if PCI
1c0c13eb 57 select GENERIC_GPIO
25e5fb97
AJ
58 select SYS_HAS_EARLY_PRINTK
59 select CFE
1c0c13eb
AJ
60 help
61 Support for BCM47XX based boards
62
1da177e4 63config MIPS_COBALT
3fa986fa 64 bool "Cobalt Server"
42f77542 65 select CEVT_R4K
940f6b48 66 select CSRC_R4K
1097c6ac 67 select CEVT_GT641XX
1da177e4
LT
68 select DMA_NONCOHERENT
69 select HW_HAS_PCI
d865bea4 70 select I8253
1da177e4
LT
71 select I8259
72 select IRQ_CPU
d5ab1a69 73 select IRQ_GT641XX
252161ec 74 select PCI_GT64XXX_PCI0
7cf8053b 75 select SYS_HAS_CPU_NEVADA
0a22e0d4 76 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 77 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 78 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 79 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4
LT
80
81config MACH_DECSTATION
3fa986fa 82 bool "DECstations"
1da177e4 83 select BOOT_ELF32
6457d9fc 84 select CEVT_DS1287
42f77542 85 select CEVT_R4K
4247417d 86 select CSRC_IOASIC
940f6b48 87 select CSRC_R4K
20d60d99
MR
88 select CPU_DADDI_WORKAROUNDS if 64BIT
89 select CPU_R4000_WORKAROUNDS if 64BIT
90 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 91 select DMA_NONCOHERENT
d388d685 92 select NO_IOPORT
1da177e4 93 select IRQ_CPU
7cf8053b
RB
94 select SYS_HAS_CPU_R3000
95 select SYS_HAS_CPU_R4X00
ed5ba2fb
YY
96 select SYS_SUPPORTS_32BIT_KERNEL
97 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 98 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
99 select SYS_SUPPORTS_128HZ
100 select SYS_SUPPORTS_256HZ
101 select SYS_SUPPORTS_1024HZ
5e83d430 102 help
1da177e4
LT
103 This enables support for DEC's MIPS based workstations. For details
104 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
105 DECstation porting pages on <http://decstation.unix-ag.org/>.
106
107 If you have one of the following DECstation Models you definitely
108 want to choose R4xx0 for the CPU Type:
109
9308816c
RB
110 DECstation 5000/50
111 DECstation 5000/150
112 DECstation 5000/260
113 DECsystem 5900/260
1da177e4
LT
114
115 otherwise choose R3000.
116
5e83d430 117config MACH_JAZZ
3fa986fa 118 bool "Jazz family of machines"
5e83d430
RB
119 select ARC
120 select ARC32
121 select ARCH_MAY_HAVE_PC_FDC
42f77542 122 select CEVT_R4K
940f6b48 123 select CSRC_R4K
e2defae5 124 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 125 select GENERIC_ISA_DMA
ea202c63 126 select IRQ_CPU
d865bea4 127 select I8253
5e83d430
RB
128 select I8259
129 select ISA
7cf8053b 130 select SYS_HAS_CPU_R4X00
5e83d430
RB
131 select SYS_SUPPORTS_32BIT_KERNEL
132 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1723b4a3 133 select SYS_SUPPORTS_100HZ
1da177e4 134 help
5e83d430
RB
135 This a family of machines based on the MIPS R4030 chipset which was
136 used by several vendors to build RISC/os and Windows NT workstations.
137 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
138 Olivetti M700-10 workstations.
139
1f21d2bd
BM
140config LASAT
141 bool "LASAT Networks platforms"
42f77542 142 select CEVT_R4K
940f6b48 143 select CSRC_R4K
1f21d2bd
BM
144 select DMA_NONCOHERENT
145 select SYS_HAS_EARLY_PRINTK
146 select HW_HAS_PCI
a5ccfe5c 147 select IRQ_CPU
1f21d2bd
BM
148 select PCI_GT64XXX_PCI0
149 select MIPS_NILE4
150 select R5000_CPU_SCACHE
151 select SYS_HAS_CPU_R5000
152 select SYS_SUPPORTS_32BIT_KERNEL
153 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
154 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 155
ade299d8
YY
156config LEMOTE_FULONG
157 bool "Lemote Fulong mini-PC"
158 select ARCH_SPARSEMEM_ENABLE
42f77542 159 select CEVT_R4K
940f6b48 160 select CSRC_R4K
ade299d8
YY
161 select SYS_HAS_CPU_LOONGSON2
162 select DMA_NONCOHERENT
163 select BOOT_ELF32
164 select BOARD_SCACHE
165 select HAVE_STD_PC_SERIAL_PORT
166 select HW_HAS_PCI
167 select I8259
168 select ISA
169 select IRQ_CPU
170 select SYS_SUPPORTS_32BIT_KERNEL
171 select SYS_SUPPORTS_64BIT_KERNEL
172 select SYS_SUPPORTS_LITTLE_ENDIAN
173 select SYS_SUPPORTS_HIGHMEM
174 select SYS_HAS_EARLY_PRINTK
23dd6d35 175 select GENERIC_ISA_DMA_SUPPORT_BROKEN
ade299d8
YY
176 select CPU_HAS_WB
177 help
178 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
179 an FPGA northbridge
180
1da177e4 181config MIPS_MALTA
3fa986fa 182 bool "MIPS Malta board"
61ed242d 183 select ARCH_MAY_HAVE_PC_FDC
1da177e4 184 select BOOT_ELF32
fa71c960 185 select BOOT_RAW
42f77542 186 select CEVT_R4K
940f6b48 187 select CSRC_R4K
1da177e4
LT
188 select DMA_NONCOHERENT
189 select GENERIC_ISA_DMA
aa414dff 190 select IRQ_CPU
39b8d525 191 select IRQ_GIC
1da177e4 192 select HW_HAS_PCI
d865bea4 193 select I8253
1da177e4 194 select I8259
5e83d430
RB
195 select MIPS_BOARDS_GEN
196 select MIPS_BONITO64
9318c51a 197 select MIPS_CPU_SCACHE
252161ec 198 select PCI_GT64XXX_PCI0
5e83d430 199 select MIPS_MSC
1da177e4 200 select SWAP_IO_SPACE
7cf8053b
RB
201 select SYS_HAS_CPU_MIPS32_R1
202 select SYS_HAS_CPU_MIPS32_R2
203 select SYS_HAS_CPU_MIPS64_R1
204 select SYS_HAS_CPU_NEVADA
205 select SYS_HAS_CPU_RM7000
36a88530 206 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
207 select SYS_SUPPORTS_32BIT_KERNEL
208 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
209 select SYS_SUPPORTS_BIG_ENDIAN
210 select SYS_SUPPORTS_LITTLE_ENDIAN
4a16ff4c 211 select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
f41ae0b2 212 select SYS_SUPPORTS_MULTITHREADING
9693a853 213 select SYS_SUPPORTS_SMARTMIPS
1da177e4 214 help
f638d197 215 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
216 board.
217
5e83d430 218config MIPS_SIM
3fa986fa 219 bool 'MIPS simulator (MIPSsim)'
42f77542 220 select CEVT_R4K
940f6b48 221 select CSRC_R4K
1da177e4 222 select DMA_NONCOHERENT
36a88530 223 select SYS_HAS_EARLY_PRINTK
1da177e4 224 select IRQ_CPU
9267a30d 225 select BOOT_RAW
7cf8053b
RB
226 select SYS_HAS_CPU_MIPS32_R1
227 select SYS_HAS_CPU_MIPS32_R2
36a88530 228 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 229 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 230 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 231 select SYS_SUPPORTS_MULTITHREADING
5e83d430 232 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 233 help
5e83d430
RB
234 This option enables support for MIPS Technologies MIPSsim software
235 emulator.
1da177e4 236
a83860c2
RB
237config NEC_MARKEINS
238 bool "NEC EMMA2RH Mark-eins board"
239 select SOC_EMMA2RH
240 select HW_HAS_PCI
241 help
242 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 243
5e83d430 244config MACH_VR41XX
74142d65 245 bool "NEC VR4100 series based machines"
42f77542 246 select CEVT_R4K
940f6b48 247 select CSRC_R4K
7cf8053b 248 select SYS_HAS_CPU_VR41XX
5e83d430 249
edb6310a
DL
250config NXP_STB220
251 bool "NXP STB220 board"
252 select SOC_PNX833X
253 help
254 Support for NXP Semiconductors STB220 Development Board.
255
256config NXP_STB225
257 bool "NXP 225 board"
258 select SOC_PNX833X
259 select SOC_PNX8335
260 help
261 Support for NXP Semiconductors STB225 Development Board.
262
ade299d8 263config PNX8550_JBS
a92b0588 264 bool "NXP PNX8550 based JBS board"
ade299d8
YY
265 select PNX8550
266 select SYS_SUPPORTS_LITTLE_ENDIAN
267
268config PNX8550_STB810
a92b0588 269 bool "NXP PNX8550 based STB810 board"
ade299d8
YY
270 select PNX8550
271 select SYS_SUPPORTS_LITTLE_ENDIAN
272
9267a30d
MSJ
273config PMC_MSP
274 bool "PMC-Sierra MSP chipsets"
275 depends on EXPERIMENTAL
276 select DMA_NONCOHERENT
277 select SWAP_IO_SPACE
278 select NO_EXCEPT_FILL
279 select BOOT_RAW
280 select SYS_HAS_CPU_MIPS32_R1
281 select SYS_HAS_CPU_MIPS32_R2
282 select SYS_SUPPORTS_32BIT_KERNEL
283 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
284 select IRQ_CPU
285 select SERIAL_8250
286 select SERIAL_8250_CONSOLE
287 help
288 This adds support for the PMC-Sierra family of Multi-Service
289 Processor System-On-A-Chips. These parts include a number
290 of integrated peripherals, interfaces and DSPs in addition to
291 a variety of MIPS cores.
292
5e83d430 293config PMC_YOSEMITE
3fa986fa 294 bool "PMC-Sierra Yosemite eval board"
42f77542 295 select CEVT_R4K
940f6b48 296 select CSRC_R4K
5e83d430
RB
297 select DMA_COHERENT
298 select HW_HAS_PCI
299 select IRQ_CPU
300 select IRQ_CPU_RM7K
301 select IRQ_CPU_RM9K
302 select SWAP_IO_SPACE
7cf8053b 303 select SYS_HAS_CPU_RM9000
36a88530 304 select SYS_HAS_EARLY_PRINTK
5e83d430
RB
305 select SYS_SUPPORTS_32BIT_KERNEL
306 select SYS_SUPPORTS_64BIT_KERNEL
307 select SYS_SUPPORTS_BIG_ENDIAN
308 select SYS_SUPPORTS_HIGHMEM
e73ea273 309 select SYS_SUPPORTS_SMP
5e83d430
RB
310 help
311 Yosemite is an evaluation board for the RM9000x2 processor
312 manufactured by PMC-Sierra.
1da177e4 313
1da177e4 314config SGI_IP22
3fa986fa 315 bool "SGI IP22 (Indy/Indigo2)"
1da177e4
LT
316 select ARC
317 select ARC32
318 select BOOT_ELF32
42f77542 319 select CEVT_R4K
940f6b48 320 select CSRC_R4K
e2defae5 321 select DEFAULT_SGI_PARTITION
1da177e4 322 select DMA_NONCOHERENT
5e83d430 323 select HW_HAS_EISA
d865bea4 324 select I8253
68de4803 325 select I8259
1da177e4
LT
326 select IP22_CPU_SCACHE
327 select IRQ_CPU
aa414dff 328 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
329 select SGI_HAS_I8042
330 select SGI_HAS_INDYDOG
36e5c21d 331 select SGI_HAS_HAL2
e2defae5
TB
332 select SGI_HAS_SEEQ
333 select SGI_HAS_WD93
334 select SGI_HAS_ZILOG
1da177e4 335 select SWAP_IO_SPACE
7cf8053b
RB
336 select SYS_HAS_CPU_R4X00
337 select SYS_HAS_CPU_R5000
36a88530 338 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
339 select SYS_SUPPORTS_32BIT_KERNEL
340 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 341 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
342 help
343 This are the SGI Indy, Challenge S and Indigo2, as well as certain
344 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
345 that runs on these, say Y here.
346
347config SGI_IP27
3fa986fa 348 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
349 select ARC
350 select ARC64
5e83d430 351 select BOOT_ELF64
e2defae5 352 select DEFAULT_SGI_PARTITION
634286f1 353 select DMA_COHERENT
36a88530 354 select SYS_HAS_EARLY_PRINTK
1da177e4 355 select HW_HAS_PCI
130e2fb7 356 select NR_CPUS_DEFAULT_64
7cf8053b 357 select SYS_HAS_CPU_R10000
ed5ba2fb 358 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 359 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 360 select SYS_SUPPORTS_NUMA
1a5c5de1 361 select SYS_SUPPORTS_SMP
1da177e4
LT
362 help
363 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
364 workstations. To compile a Linux kernel that runs on these, say Y
365 here.
366
e2defae5
TB
367config SGI_IP28
368 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
369 depends on EXPERIMENTAL
370 select ARC
371 select ARC64
372 select BOOT_ELF64
373 select CEVT_R4K
374 select CSRC_R4K
375 select DEFAULT_SGI_PARTITION
376 select DMA_NONCOHERENT
377 select GENERIC_ISA_DMA_SUPPORT_BROKEN
378 select IRQ_CPU
379 select HW_HAS_EISA
380 select I8253
381 select I8259
e2defae5
TB
382 select SGI_HAS_I8042
383 select SGI_HAS_INDYDOG
5b438c44 384 select SGI_HAS_HAL2
e2defae5
TB
385 select SGI_HAS_SEEQ
386 select SGI_HAS_WD93
387 select SGI_HAS_ZILOG
388 select SWAP_IO_SPACE
389 select SYS_HAS_CPU_R10000
390 select SYS_HAS_EARLY_PRINTK
391 select SYS_SUPPORTS_64BIT_KERNEL
392 select SYS_SUPPORTS_BIG_ENDIAN
393 help
394 This is the SGI Indigo2 with R10000 processor. To compile a Linux
395 kernel that runs on these, say Y here.
396
1da177e4 397config SGI_IP32
cfd2afc0 398 bool "SGI IP32 (O2)"
1da177e4
LT
399 select ARC
400 select ARC32
401 select BOOT_ELF32
42f77542 402 select CEVT_R4K
940f6b48 403 select CSRC_R4K
1da177e4
LT
404 select DMA_NONCOHERENT
405 select HW_HAS_PCI
dd67b155 406 select IRQ_CPU
1da177e4
LT
407 select R5000_CPU_SCACHE
408 select RM7000_CPU_SCACHE
7cf8053b
RB
409 select SYS_HAS_CPU_R5000
410 select SYS_HAS_CPU_R10000 if BROKEN
411 select SYS_HAS_CPU_RM7000
dd2f18fe 412 select SYS_HAS_CPU_NEVADA
ed5ba2fb 413 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 414 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 415 help
5e83d430 416 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 417
ade299d8
YY
418config SIBYTE_CRHINE
419 bool "Sibyte BCM91120C-CRhine"
420 depends on EXPERIMENTAL
9a6dcea1
AI
421 select BOOT_ELF32
422 select DMA_COHERENT
ade299d8 423 select SIBYTE_BCM1120
9a6dcea1 424 select SWAP_IO_SPACE
7cf8053b 425 select SYS_HAS_CPU_SB1
9a6dcea1
AI
426 select SYS_SUPPORTS_BIG_ENDIAN
427 select SYS_SUPPORTS_LITTLE_ENDIAN
428
ade299d8
YY
429config SIBYTE_CARMEL
430 bool "Sibyte BCM91120x-Carmel"
431 depends on EXPERIMENTAL
5e83d430 432 select BOOT_ELF32
1da177e4 433 select DMA_COHERENT
ade299d8 434 select SIBYTE_BCM1120
5e83d430 435 select SWAP_IO_SPACE
7cf8053b 436 select SYS_HAS_CPU_SB1
81731f79 437 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 438 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 439
ade299d8
YY
440config SIBYTE_CRHONE
441 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
442 depends on EXPERIMENTAL
443 select BOOT_ELF32
444 select DMA_COHERENT
ade299d8 445 select SIBYTE_BCM1125
5e83d430 446 select SWAP_IO_SPACE
7cf8053b 447 select SYS_HAS_CPU_SB1
5e83d430 448 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 449 select SYS_SUPPORTS_HIGHMEM
5e83d430 450 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 451
5e83d430 452config SIBYTE_RHONE
3fa986fa 453 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
454 depends on EXPERIMENTAL
455 select BOOT_ELF32
456 select DMA_COHERENT
457 select SIBYTE_BCM1125H
458 select SWAP_IO_SPACE
7cf8053b 459 select SYS_HAS_CPU_SB1
5e83d430
RB
460 select SYS_SUPPORTS_BIG_ENDIAN
461 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 462
ade299d8
YY
463config SIBYTE_SWARM
464 bool "Sibyte BCM91250A-SWARM"
5e83d430 465 select BOOT_ELF32
26a940e2 466 select DMA_COHERENT
ade299d8
YY
467 select NR_CPUS_DEFAULT_2
468 select SIBYTE_SB1250
5e83d430 469 select SWAP_IO_SPACE
7cf8053b 470 select SYS_HAS_CPU_SB1
5e83d430 471 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 472 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 473 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 474 select ZONE_DMA32 if 64BIT
e3ad1c23 475
ade299d8
YY
476config SIBYTE_LITTLESUR
477 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
478 depends on EXPERIMENTAL
479 select BOOT_ELF32
480 select DMA_COHERENT
130e2fb7 481 select NR_CPUS_DEFAULT_2
5e83d430
RB
482 select SIBYTE_SB1250
483 select SWAP_IO_SPACE
7cf8053b 484 select SYS_HAS_CPU_SB1
5e83d430
RB
485 select SYS_SUPPORTS_BIG_ENDIAN
486 select SYS_SUPPORTS_HIGHMEM
487 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 488
ade299d8
YY
489config SIBYTE_SENTOSA
490 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
491 depends on EXPERIMENTAL
492 select BOOT_ELF32
493 select DMA_COHERENT
130e2fb7 494 select NR_CPUS_DEFAULT_2
5e83d430
RB
495 select SIBYTE_SB1250
496 select SWAP_IO_SPACE
7cf8053b 497 select SYS_HAS_CPU_SB1
5e83d430 498 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 499 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 500
ade299d8
YY
501config SIBYTE_BIGSUR
502 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
503 select BOOT_ELF32
504 select DMA_COHERENT
ade299d8 505 select NR_CPUS_DEFAULT_4
ade299d8 506 select SIBYTE_BCM1x80
5e83d430 507 select SWAP_IO_SPACE
7cf8053b 508 select SYS_HAS_CPU_SB1
5e83d430 509 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 510 select SYS_SUPPORTS_HIGHMEM
5e83d430 511 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 512 select ZONE_DMA32 if 64BIT
1da177e4 513
14b36af4
TB
514config SNI_RM
515 bool "SNI RM200/300/400"
4a0312fc
TB
516 select ARC if CPU_LITTLE_ENDIAN
517 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 518 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 519 select ARCH_MAY_HAVE_PC_FDC
1da177e4 520 select BOOT_ELF32
42f77542 521 select CEVT_R4K
940f6b48 522 select CSRC_R4K
e2defae5 523 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
524 select DMA_NONCOHERENT
525 select GENERIC_ISA_DMA
5e83d430 526 select HW_HAS_EISA
1da177e4 527 select HW_HAS_PCI
c066a32a 528 select IRQ_CPU
d865bea4 529 select I8253
1da177e4
LT
530 select I8259
531 select ISA
4a0312fc 532 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 533 select SYS_HAS_CPU_R4X00
4a0312fc 534 select SYS_HAS_CPU_R5000
c066a32a 535 select SYS_HAS_CPU_R10000
4a0312fc 536 select R5000_CPU_SCACHE
36a88530 537 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
538 select SYS_SUPPORTS_32BIT_KERNEL
539 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 540 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 541 select SYS_SUPPORTS_HIGHMEM
5e83d430 542 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 543 help
14b36af4
TB
544 The SNI RM200/300/400 are MIPS-based machines manufactured by
545 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
546 Technology and now in turn merged with Fujitsu. Say Y here to
547 support this machine type.
548
edcaf1a6
AN
549config MACH_TX39XX
550 bool "Toshiba TX39 series based machines"
5e83d430 551
edcaf1a6
AN
552config MACH_TX49XX
553 bool "Toshiba TX49 series based machines"
5e83d430 554
73b4390f
RB
555config MIKROTIK_RB532
556 bool "Mikrotik RB532 boards"
557 select CEVT_R4K
558 select CSRC_R4K
559 select DMA_NONCOHERENT
73b4390f
RB
560 select HW_HAS_PCI
561 select IRQ_CPU
562 select SYS_HAS_CPU_MIPS32_R1
563 select SYS_SUPPORTS_32BIT_KERNEL
564 select SYS_SUPPORTS_LITTLE_ENDIAN
565 select SWAP_IO_SPACE
566 select BOOT_RAW
d888e25b 567 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
568 help
569 Support the Mikrotik(tm) RouterBoard 532 series,
570 based on the IDT RC32434 SoC.
571
ade299d8
YY
572config WR_PPMC
573 bool "Wind River PPMC board"
42f77542 574 select CEVT_R4K
940f6b48 575 select CSRC_R4K
ade299d8
YY
576 select IRQ_CPU
577 select BOOT_ELF32
578 select DMA_NONCOHERENT
579 select HW_HAS_PCI
580 select PCI_GT64XXX_PCI0
581 select SWAP_IO_SPACE
582 select SYS_HAS_CPU_MIPS32_R1
583 select SYS_HAS_CPU_MIPS32_R2
584 select SYS_HAS_CPU_MIPS64_R1
585 select SYS_HAS_CPU_NEVADA
586 select SYS_HAS_CPU_RM7000
587 select SYS_SUPPORTS_32BIT_KERNEL
588 select SYS_SUPPORTS_64BIT_KERNEL
589 select SYS_SUPPORTS_BIG_ENDIAN
590 select SYS_SUPPORTS_LITTLE_ENDIAN
591 help
592 This enables support for the Wind River MIPS32 4KC PPMC evaluation
593 board, which is based on GT64120 bridge chip.
594
a86c7f72
DD
595config CAVIUM_OCTEON_SIMULATOR
596 bool "Support for the Cavium Networks Octeon Simulator"
597 select CEVT_R4K
598 select 64BIT_PHYS_ADDR
599 select DMA_COHERENT
600 select SYS_SUPPORTS_64BIT_KERNEL
601 select SYS_SUPPORTS_BIG_ENDIAN
602 select SYS_SUPPORTS_HIGHMEM
5e683389 603 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
604 help
605 The Octeon simulator is software performance model of the Cavium
606 Octeon Processor. It supports simulating Octeon processors on x86
607 hardware.
608
609config CAVIUM_OCTEON_REFERENCE_BOARD
610 bool "Support for the Cavium Networks Octeon reference board"
611 select CEVT_R4K
612 select 64BIT_PHYS_ADDR
613 select DMA_COHERENT
614 select SYS_SUPPORTS_64BIT_KERNEL
615 select SYS_SUPPORTS_BIG_ENDIAN
616 select SYS_SUPPORTS_HIGHMEM
617 select SYS_HAS_EARLY_PRINTK
5e683389 618 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
619 select SWAP_IO_SPACE
620 help
621 This option supports all of the Octeon reference boards from Cavium
622 Networks. It builds a kernel that dynamically determines the Octeon
623 CPU type and supports all known board reference implementations.
624 Some of the supported boards are:
625 EBT3000
626 EBH3000
627 EBH3100
628 Thunder
629 Kodama
630 Hikari
631 Say Y here for most Octeon reference boards.
632
5e83d430 633endchoice
1da177e4 634
e8c7c482 635source "arch/mips/alchemy/Kconfig"
9c746edb 636source "arch/mips/basler/excite/Kconfig"
5e83d430 637source "arch/mips/jazz/Kconfig"
1f21d2bd 638source "arch/mips/lasat/Kconfig"
5e83d430 639source "arch/mips/pmc-sierra/Kconfig"
29c48699 640source "arch/mips/sgi-ip27/Kconfig"
38b18f72 641source "arch/mips/sibyte/Kconfig"
22b1d707 642source "arch/mips/txx9/Kconfig"
5e83d430 643source "arch/mips/vr41xx/Kconfig"
a86c7f72 644source "arch/mips/cavium-octeon/Kconfig"
38b18f72 645
5e83d430
RB
646endmenu
647
1da177e4
LT
648config RWSEM_GENERIC_SPINLOCK
649 bool
650 default y
651
652config RWSEM_XCHGADD_ALGORITHM
653 bool
654
f0d1b0b3
DH
655config ARCH_HAS_ILOG2_U32
656 bool
657 default n
658
659config ARCH_HAS_ILOG2_U64
660 bool
661 default n
662
00a58253
RB
663config ARCH_SUPPORTS_OPROFILE
664 bool
665 default y if !MIPS_MT_SMTC
666
3c9ee7ef
AM
667config GENERIC_FIND_NEXT_BIT
668 bool
669 default y
670
671config GENERIC_HWEIGHT
672 bool
673 default y
674
1da177e4
LT
675config GENERIC_CALIBRATE_DELAY
676 bool
677 default y
678
7bcf7717
RB
679config GENERIC_CLOCKEVENTS
680 bool
681 default y
682
8db02010
RB
683config GENERIC_TIME
684 bool
685 default y
686
f5ff0a28
RB
687config GENERIC_CMOS_UPDATE
688 bool
689 default y
690
ae1e9130 691config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
692 bool
693 default y
694
e77c232c 695config GENERIC_HARDIRQS_NO__DO_IRQ
c87e0909 696 def_bool y
e77c232c 697
1da177e4
LT
698#
699# Select some configuration options automatically based on user selections.
700#
701config ARC
702 bool
1da177e4 703
61ed242d
RB
704config ARCH_MAY_HAVE_PC_FDC
705 bool
706
9267a30d
MSJ
707config BOOT_RAW
708 bool
709
217dd11e
RB
710config CEVT_BCM1480
711 bool
712
6457d9fc
YY
713config CEVT_DS1287
714 bool
715
1097c6ac
YY
716config CEVT_GT641XX
717 bool
718
779e7d41
ML
719config CEVT_R4K_LIB
720 bool
721
42f77542 722config CEVT_R4K
779e7d41 723 select CEVT_R4K_LIB
42f77542
RB
724 bool
725
217dd11e
RB
726config CEVT_SB1250
727 bool
728
229f773e
AN
729config CEVT_TXX9
730 bool
731
217dd11e
RB
732config CSRC_BCM1480
733 bool
734
4247417d
YY
735config CSRC_IOASIC
736 bool
737
779e7d41
ML
738config CSRC_R4K_LIB
739 bool
740
940f6b48 741config CSRC_R4K
779e7d41 742 select CSRC_R4K_LIB
940f6b48
RB
743 bool
744
217dd11e
RB
745config CSRC_SB1250
746 bool
747
a9aec7fe
AN
748config GPIO_TXX9
749 select GENERIC_GPIO
7444a72e 750 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
751 bool
752
df78b5c8
AJ
753config CFE
754 bool
755
4ce588cd 756config DMA_COHERENT
1da177e4
LT
757 bool
758
4ce588cd
RB
759config DMA_NONCOHERENT
760 bool
761 select DMA_NEED_PCI_MAP_STATE
762
763config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
764 bool
765
766config EARLY_PRINTK
36a88530
RB
767 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
768 depends on SYS_HAS_EARLY_PRINTK
769 default y
770 help
771 This option enables special console drivers which allow the kernel
772 to print messages very early in the bootup process.
773
774 This is useful for kernel debugging when your machine crashes very
490dcc4d
RD
775 early before the console code is initialized. For normal operation,
776 it is not recommended because it looks ugly on some machines and
777 doesn't cooperate with an X server. You should normally say N here,
36a88530
RB
778 unless you want to debug such a crash.
779
780config SYS_HAS_EARLY_PRINTK
1da177e4 781 bool
1da177e4 782
dbb74540
RB
783config HOTPLUG_CPU
784 bool
785 default n
786
1da177e4
LT
787config I8259
788 bool
1da177e4 789
1da177e4
LT
790config MIPS_BONITO64
791 bool
1da177e4
LT
792
793config MIPS_MSC
794 bool
1da177e4 795
1f21d2bd
BM
796config MIPS_NILE4
797 bool
798
1da177e4
LT
799config MIPS_DISABLE_OBSOLETE_IDE
800 bool
801
39b8d525
RB
802config SYNC_R4K
803 bool
804
d388d685
MR
805config NO_IOPORT
806 def_bool n
807
8313da30
RB
808config GENERIC_ISA_DMA
809 bool
810 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
811
aa414dff
RB
812config GENERIC_ISA_DMA_SUPPORT_BROKEN
813 bool
8313da30 814 select GENERIC_ISA_DMA
aa414dff 815
09663335
YY
816config GENERIC_GPIO
817 bool
818
5e83d430 819#
3cb2fccc 820# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
821# answer,so we try hard to limit the available choices. Also the use of a
822# choice statement should be more obvious to the user.
823#
824choice
825 prompt "Endianess selection"
1da177e4
LT
826 help
827 Some MIPS machines can be configured for either little or big endian
5e83d430 828 byte order. These modes require different kernels and a different
3cb2fccc 829 Linux distribution. In general there is one preferred byteorder for a
5e83d430 830 particular system but some systems are just as commonly used in the
3dde6ad8 831 one or the other endianness.
5e83d430
RB
832
833config CPU_BIG_ENDIAN
834 bool "Big endian"
835 depends on SYS_SUPPORTS_BIG_ENDIAN
836
837config CPU_LITTLE_ENDIAN
838 bool "Little endian"
839 depends on SYS_SUPPORTS_LITTLE_ENDIAN
840 help
841
842endchoice
843
2116245e
RB
844config SYS_SUPPORTS_APM_EMULATION
845 bool
846
5e83d430
RB
847config SYS_SUPPORTS_BIG_ENDIAN
848 bool
849
850config SYS_SUPPORTS_LITTLE_ENDIAN
851 bool
1da177e4
LT
852
853config IRQ_CPU
854 bool
855
856config IRQ_CPU_RM7K
857 bool
858
5e83d430
RB
859config IRQ_CPU_RM9K
860 bool
861
9267a30d
MSJ
862config IRQ_MSP_SLP
863 bool
864
865config IRQ_MSP_CIC
866 bool
867
8420fd00
AN
868config IRQ_TXX9
869 bool
870
d5ab1a69
YY
871config IRQ_GT641XX
872 bool
873
39b8d525
RB
874config IRQ_GIC
875 bool
876
a86c7f72
DD
877config IRQ_CPU_OCTEON
878 bool
879
1da177e4
LT
880config MIPS_BOARDS_GEN
881 bool
1da177e4 882
252161ec 883config PCI_GT64XXX_PCI0
1da177e4 884 bool
1da177e4 885
9267a30d
MSJ
886config NO_EXCEPT_FILL
887 bool
888
663c3d90 889config MIPS_RM9122
890 bool
891 select SERIAL_RM9000
663c3d90 892
a83860c2
RB
893config SOC_EMMA2RH
894 bool
895 select CEVT_R4K
896 select CSRC_R4K
897 select DMA_NONCOHERENT
898 select IRQ_CPU
899 select SWAP_IO_SPACE
900 select SYS_HAS_CPU_R5500
901 select SYS_SUPPORTS_32BIT_KERNEL
902 select SYS_SUPPORTS_64BIT_KERNEL
903 select SYS_SUPPORTS_BIG_ENDIAN
904
edb6310a
DL
905config SOC_PNX833X
906 bool
907 select CEVT_R4K
908 select CSRC_R4K
909 select IRQ_CPU
910 select DMA_NONCOHERENT
911 select SYS_HAS_CPU_MIPS32_R2
912 select SYS_SUPPORTS_32BIT_KERNEL
913 select SYS_SUPPORTS_LITTLE_ENDIAN
914 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
915 select GENERIC_GPIO
916 select CPU_MIPSR2_IRQ_VI
917
918config SOC_PNX8335
919 bool
920 select SOC_PNX833X
921
bdf21b18
PP
922config PNX8550
923 bool
924 select SOC_PNX8550
925
926config SOC_PNX8550
927 bool
bdf21b18
PP
928 select DMA_NONCOHERENT
929 select HW_HAS_PCI
b8c2a77c 930 select SYS_HAS_CPU_MIPS32_R1
36a88530 931 select SYS_HAS_EARLY_PRINTK
7cf8053b 932 select SYS_SUPPORTS_32BIT_KERNEL
4ead1681 933 select GENERIC_GPIO
bdf21b18 934
1da177e4
LT
935config SWAP_IO_SPACE
936 bool
937
663c3d90 938config SERIAL_RM9000
939 bool
940
e2defae5
TB
941config SGI_HAS_INDYDOG
942 bool
943
5b438c44
TB
944config SGI_HAS_HAL2
945 bool
946
e2defae5
TB
947config SGI_HAS_SEEQ
948 bool
949
950config SGI_HAS_WD93
951 bool
952
953config SGI_HAS_ZILOG
954 bool
955
956config SGI_HAS_I8042
957 bool
958
959config DEFAULT_SGI_PARTITION
960 bool
961
5e83d430
RB
962config ARC32
963 bool
964
231a35d3
TB
965config SNIPROM
966 bool
967
1da177e4
LT
968config BOOT_ELF32
969 bool
1da177e4
LT
970
971config MIPS_L1_CACHE_SHIFT
972 int
73b4390f 973 default "4" if MACH_DECSTATION || MIKROTIK_RB532
a86c7f72 974 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
9267a30d 975 default "4" if PMC_MSP4200_EVAL
1da177e4
LT
976 default "5"
977
1da177e4
LT
978config HAVE_STD_PC_SERIAL_PORT
979 bool
980
1da177e4
LT
981config ARC_CONSOLE
982 bool "ARC console support"
e2defae5 983 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
984
985config ARC_MEMORY
986 bool
14b36af4 987 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
988 default y
989
990config ARC_PROMLIB
991 bool
e2defae5 992 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
993 default y
994
995config ARC64
996 bool
1da177e4
LT
997
998config BOOT_ELF64
999 bool
1da177e4 1000
1da177e4
LT
1001menu "CPU selection"
1002
1003choice
1004 prompt "CPU type"
1005 default CPU_R4X00
1006
2a21c730
FZ
1007config CPU_LOONGSON2
1008 bool "Loongson 2"
1009 depends on SYS_HAS_CPU_LOONGSON2
1010 select CPU_SUPPORTS_32BIT_KERNEL
1011 select CPU_SUPPORTS_64BIT_KERNEL
1012 select CPU_SUPPORTS_HIGHMEM
1013 help
1014 The Loongson 2E processor implements the MIPS III instruction set
1015 with many extensions.
1016
6e760c8d
RB
1017config CPU_MIPS32_R1
1018 bool "MIPS32 Release 1"
7cf8053b 1019 depends on SYS_HAS_CPU_MIPS32_R1
f7062ddb 1020 select CPU_HAS_LLSC
6e760c8d 1021 select CPU_HAS_PREFETCH
797798c1 1022 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1023 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1024 help
5e83d430 1025 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1026 MIPS32 architecture. Most modern embedded systems with a 32-bit
1027 MIPS processor are based on a MIPS32 processor. If you know the
1028 specific type of processor in your system, choose those that one
1029 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1030 Release 2 of the MIPS32 architecture is available since several
1031 years so chances are you even have a MIPS32 Release 2 processor
1032 in which case you should choose CPU_MIPS32_R2 instead for better
1033 performance.
1034
1035config CPU_MIPS32_R2
1036 bool "MIPS32 Release 2"
7cf8053b 1037 depends on SYS_HAS_CPU_MIPS32_R2
f7062ddb 1038 select CPU_HAS_LLSC
1e5f1caa 1039 select CPU_HAS_PREFETCH
797798c1 1040 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1041 select CPU_SUPPORTS_HIGHMEM
6e760c8d 1042 help
5e83d430 1043 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1044 MIPS32 architecture. Most modern embedded systems with a 32-bit
1045 MIPS processor are based on a MIPS32 processor. If you know the
1046 specific type of processor in your system, choose those that one
1047 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1048
1049config CPU_MIPS64_R1
1050 bool "MIPS64 Release 1"
7cf8053b 1051 depends on SYS_HAS_CPU_MIPS64_R1
f7062ddb 1052 select CPU_HAS_LLSC
797798c1 1053 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1054 select CPU_SUPPORTS_32BIT_KERNEL
1055 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1056 select CPU_SUPPORTS_HIGHMEM
6e760c8d
RB
1057 help
1058 Choose this option to build a kernel for release 1 or later of the
1059 MIPS64 architecture. Many modern embedded systems with a 64-bit
1060 MIPS processor are based on a MIPS64 processor. If you know the
1061 specific type of processor in your system, choose those that one
1062 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1063 Release 2 of the MIPS64 architecture is available since several
1064 years so chances are you even have a MIPS64 Release 2 processor
1065 in which case you should choose CPU_MIPS64_R2 instead for better
1066 performance.
1067
1068config CPU_MIPS64_R2
1069 bool "MIPS64 Release 2"
7cf8053b 1070 depends on SYS_HAS_CPU_MIPS64_R2
f7062ddb 1071 select CPU_HAS_LLSC
797798c1 1072 select CPU_HAS_PREFETCH
1e5f1caa
RB
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1075 select CPU_SUPPORTS_HIGHMEM
1e5f1caa
RB
1076 help
1077 Choose this option to build a kernel for release 2 or later of the
1078 MIPS64 architecture. Many modern embedded systems with a 64-bit
1079 MIPS processor are based on a MIPS64 processor. If you know the
1080 specific type of processor in your system, choose those that one
1081 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1082
1083config CPU_R3000
1084 bool "R3000"
7cf8053b 1085 depends on SYS_HAS_CPU_R3000
f7062ddb 1086 select CPU_HAS_WB
ed5ba2fb 1087 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1088 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1089 help
1090 Please make sure to pick the right CPU type. Linux/MIPS is not
1091 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1092 *not* work on R4000 machines and vice versa. However, since most
1093 of the supported machines have an R4000 (or similar) CPU, R4x00
1094 might be a safe bet. If the resulting kernel does not work,
1095 try to recompile with R3000.
1096
1097config CPU_TX39XX
1098 bool "R39XX"
7cf8053b 1099 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1100 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1101
1102config CPU_VR41XX
1103 bool "R41xx"
7cf8053b 1104 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1105 select CPU_SUPPORTS_32BIT_KERNEL
1106 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1107 help
5e83d430 1108 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1109 Only choose this option if you have one of these processors as a
1110 kernel built with this option will not run on any other type of
1111 processor or vice versa.
1112
1113config CPU_R4300
1114 bool "R4300"
7cf8053b 1115 depends on SYS_HAS_CPU_R4300
f7062ddb 1116 select CPU_HAS_LLSC
ed5ba2fb
YY
1117 select CPU_SUPPORTS_32BIT_KERNEL
1118 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1119 help
1120 MIPS Technologies R4300-series processors.
1121
1122config CPU_R4X00
1123 bool "R4x00"
7cf8053b 1124 depends on SYS_HAS_CPU_R4X00
f7062ddb 1125 select CPU_HAS_LLSC
ed5ba2fb
YY
1126 select CPU_SUPPORTS_32BIT_KERNEL
1127 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1128 help
1129 MIPS Technologies R4000-series processors other than 4300, including
1130 the R4000, R4400, R4600, and 4700.
1131
1132config CPU_TX49XX
1133 bool "R49XX"
7cf8053b 1134 depends on SYS_HAS_CPU_TX49XX
f7062ddb 1135 select CPU_HAS_LLSC
de862b48 1136 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1137 select CPU_SUPPORTS_32BIT_KERNEL
1138 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1139
1140config CPU_R5000
1141 bool "R5000"
7cf8053b 1142 depends on SYS_HAS_CPU_R5000
f7062ddb 1143 select CPU_HAS_LLSC
ed5ba2fb
YY
1144 select CPU_SUPPORTS_32BIT_KERNEL
1145 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1146 help
1147 MIPS Technologies R5000-series processors other than the Nevada.
1148
1149config CPU_R5432
1150 bool "R5432"
7cf8053b 1151 depends on SYS_HAS_CPU_R5432
f7062ddb 1152 select CPU_HAS_LLSC
5e83d430
RB
1153 select CPU_SUPPORTS_32BIT_KERNEL
1154 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1155
542c1020
SK
1156config CPU_R5500
1157 bool "R5500"
1158 depends on SYS_HAS_CPU_R5500
1159 select CPU_HAS_LLSC
1160 select CPU_SUPPORTS_32BIT_KERNEL
1161 select CPU_SUPPORTS_64BIT_KERNEL
1162 help
1163 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1164 instruction set.
1165
1da177e4
LT
1166config CPU_R6000
1167 bool "R6000"
ed5ba2fb 1168 depends on EXPERIMENTAL
f7062ddb 1169 select CPU_HAS_LLSC
7cf8053b 1170 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1171 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1172 help
1173 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1174 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1175
1176config CPU_NEVADA
1177 bool "RM52xx"
7cf8053b 1178 depends on SYS_HAS_CPU_NEVADA
f7062ddb 1179 select CPU_HAS_LLSC
ed5ba2fb
YY
1180 select CPU_SUPPORTS_32BIT_KERNEL
1181 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1182 help
1183 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1184
1185config CPU_R8000
1186 bool "R8000"
ed5ba2fb 1187 depends on EXPERIMENTAL
7cf8053b 1188 depends on SYS_HAS_CPU_R8000
f7062ddb 1189 select CPU_HAS_LLSC
5e83d430 1190 select CPU_HAS_PREFETCH
ed5ba2fb 1191 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1192 help
1193 MIPS Technologies R8000 processors. Note these processors are
1194 uncommon and the support for them is incomplete.
1195
1196config CPU_R10000
1197 bool "R10000"
7cf8053b 1198 depends on SYS_HAS_CPU_R10000
f7062ddb 1199 select CPU_HAS_LLSC
5e83d430 1200 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1201 select CPU_SUPPORTS_32BIT_KERNEL
1202 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1203 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1204 help
1205 MIPS Technologies R10000-series processors.
1206
1207config CPU_RM7000
1208 bool "RM7000"
7cf8053b 1209 depends on SYS_HAS_CPU_RM7000
f7062ddb 1210 select CPU_HAS_LLSC
5e83d430 1211 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1212 select CPU_SUPPORTS_32BIT_KERNEL
1213 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1214 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1215
1216config CPU_RM9000
1217 bool "RM9000"
7cf8053b 1218 depends on SYS_HAS_CPU_RM9000
f7062ddb 1219 select CPU_HAS_LLSC
5e83d430 1220 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1221 select CPU_SUPPORTS_32BIT_KERNEL
1222 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1223 select CPU_SUPPORTS_HIGHMEM
0004a9df 1224 select WEAK_ORDERING
1da177e4
LT
1225
1226config CPU_SB1
1227 bool "SB1"
7cf8053b 1228 depends on SYS_HAS_CPU_SB1
f7062ddb 1229 select CPU_HAS_LLSC
ed5ba2fb
YY
1230 select CPU_SUPPORTS_32BIT_KERNEL
1231 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1232 select CPU_SUPPORTS_HIGHMEM
0004a9df 1233 select WEAK_ORDERING
1da177e4 1234
a86c7f72
DD
1235config CPU_CAVIUM_OCTEON
1236 bool "Cavium Octeon processor"
5e683389 1237 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1238 select IRQ_CPU
1239 select IRQ_CPU_OCTEON
1240 select CPU_HAS_PREFETCH
1241 select CPU_SUPPORTS_64BIT_KERNEL
1242 select SYS_SUPPORTS_SMP
1243 select NR_CPUS_DEFAULT_16
1244 select WEAK_ORDERING
1245 select WEAK_REORDERING_BEYOND_LLSC
1246 select CPU_SUPPORTS_HIGHMEM
1247 help
1248 The Cavium Octeon processor is a highly integrated chip containing
1249 many ethernet hardware widgets for networking tasks. The processor
1250 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1251 Full details can be found at http://www.caviumnetworks.com.
1252
1da177e4
LT
1253endchoice
1254
2a21c730
FZ
1255config SYS_HAS_CPU_LOONGSON2
1256 bool
1257
7cf8053b
RB
1258config SYS_HAS_CPU_MIPS32_R1
1259 bool
1260
1261config SYS_HAS_CPU_MIPS32_R2
1262 bool
1263
1264config SYS_HAS_CPU_MIPS64_R1
1265 bool
1266
1267config SYS_HAS_CPU_MIPS64_R2
1268 bool
1269
1270config SYS_HAS_CPU_R3000
1271 bool
1272
1273config SYS_HAS_CPU_TX39XX
1274 bool
1275
1276config SYS_HAS_CPU_VR41XX
1277 bool
1278
1279config SYS_HAS_CPU_R4300
1280 bool
1281
1282config SYS_HAS_CPU_R4X00
1283 bool
1284
1285config SYS_HAS_CPU_TX49XX
1286 bool
1287
1288config SYS_HAS_CPU_R5000
1289 bool
1290
1291config SYS_HAS_CPU_R5432
1292 bool
1293
542c1020
SK
1294config SYS_HAS_CPU_R5500
1295 bool
1296
7cf8053b
RB
1297config SYS_HAS_CPU_R6000
1298 bool
1299
1300config SYS_HAS_CPU_NEVADA
1301 bool
1302
1303config SYS_HAS_CPU_R8000
1304 bool
1305
1306config SYS_HAS_CPU_R10000
1307 bool
1308
1309config SYS_HAS_CPU_RM7000
1310 bool
1311
1312config SYS_HAS_CPU_RM9000
1313 bool
1314
1315config SYS_HAS_CPU_SB1
1316 bool
1317
5e683389
DD
1318config SYS_HAS_CPU_CAVIUM_OCTEON
1319 bool
1320
17099b11
RB
1321#
1322# CPU may reorder R->R, R->W, W->R, W->W
1323# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1324#
0004a9df
RB
1325config WEAK_ORDERING
1326 bool
17099b11
RB
1327
1328#
1329# CPU may reorder reads and writes beyond LL/SC
1330# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1331#
1332config WEAK_REORDERING_BEYOND_LLSC
1333 bool
5e83d430
RB
1334endmenu
1335
1336#
c09b47d8 1337# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1338#
1339config CPU_MIPS32
1340 bool
1341 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1342
1343config CPU_MIPS64
1344 bool
1345 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1346
1347#
c09b47d8 1348# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1349#
1350config CPU_MIPSR1
1351 bool
1352 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1353
1354config CPU_MIPSR2
1355 bool
a86c7f72 1356 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1357
1358config SYS_SUPPORTS_32BIT_KERNEL
1359 bool
1360config SYS_SUPPORTS_64BIT_KERNEL
1361 bool
1362config CPU_SUPPORTS_32BIT_KERNEL
1363 bool
1364config CPU_SUPPORTS_64BIT_KERNEL
1365 bool
1366
8192c9ea
DD
1367#
1368# Set to y for ptrace access to watch registers.
1369#
1370config HARDWARE_WATCHPOINTS
1371 bool
f839490a 1372 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1373
5e83d430
RB
1374menu "Kernel type"
1375
1376choice
1377
1378 prompt "Kernel code model"
1379 help
1380 You should only select this option if you have a workload that
1381 actually benefits from 64-bit processing or if your machine has
1382 large memory. You will only be presented a single option in this
1383 menu if your system does not support both 32-bit and 64-bit kernels.
1384
1385config 32BIT
1386 bool "32-bit kernel"
1387 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1388 select TRAD_SIGNALS
1389 help
1390 Select this option if you want to build a 32-bit kernel.
1391config 64BIT
1392 bool "64-bit kernel"
1393 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
dbda6ac0 1394 select HAVE_SYSCALL_WRAPPERS
5e83d430
RB
1395 help
1396 Select this option if you want to build a 64-bit kernel.
1397
1398endchoice
1399
1da177e4
LT
1400choice
1401 prompt "Kernel page size"
1402 default PAGE_SIZE_4KB
1403
1404config PAGE_SIZE_4KB
1405 bool "4kB"
1406 help
1407 This option select the standard 4kB Linux page size. On some
1408 R3000-family processors this is the only available page size. Using
1409 4kB page size will minimize memory consumption and is therefore
1410 recommended for low memory systems.
1411
1412config PAGE_SIZE_8KB
1413 bool "8kB"
1414 depends on EXPERIMENTAL && CPU_R8000
1415 help
1416 Using 8kB page size will result in higher performance kernel at
1417 the price of higher memory consumption. This option is available
1418 only on the R8000 processor. Not that at the time of this writing
1419 this option is still high experimental; there are also issues with
1420 compatibility of user applications.
1421
1422config PAGE_SIZE_16KB
1423 bool "16kB"
714bfad6 1424 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1425 help
1426 Using 16kB page size will result in higher performance kernel at
1427 the price of higher memory consumption. This option is available on
714bfad6
RB
1428 all non-R3000 family processors. Note that you will need a suitable
1429 Linux distribution to support this.
1da177e4
LT
1430
1431config PAGE_SIZE_64KB
1432 bool "64kB"
1433 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1434 help
1435 Using 64kB page size will result in higher performance kernel at
1436 the price of higher memory consumption. This option is available on
1437 all non-R3000 family processor. Not that at the time of this
714bfad6 1438 writing this option is still high experimental.
1da177e4
LT
1439
1440endchoice
1441
1442config BOARD_SCACHE
1443 bool
1444
1445config IP22_CPU_SCACHE
1446 bool
1447 select BOARD_SCACHE
1448
9318c51a
CD
1449#
1450# Support for a MIPS32 / MIPS64 style S-caches
1451#
1452config MIPS_CPU_SCACHE
1453 bool
1454 select BOARD_SCACHE
1455
1da177e4
LT
1456config R5000_CPU_SCACHE
1457 bool
1458 select BOARD_SCACHE
1459
1460config RM7000_CPU_SCACHE
1461 bool
1462 select BOARD_SCACHE
1463
1464config SIBYTE_DMA_PAGEOPS
1465 bool "Use DMA to clear/copy pages"
1466 depends on CPU_SB1
1467 help
1468 Instead of using the CPU to zero and copy pages, use a Data Mover
1469 channel. These DMA channels are otherwise unused by the standard
1470 SiByte Linux port. Seems to give a small performance benefit.
1471
1472config CPU_HAS_PREFETCH
c8094b53 1473 bool
1da177e4 1474
340ee4b9
RB
1475choice
1476 prompt "MIPS MT options"
f41ae0b2
RB
1477
1478config MIPS_MT_DISABLED
1479 bool "Disable multithreading support."
1480 help
1481 Use this option if your workload can't take advantage of
1482 MIPS hardware multithreading support. On systems that don't have
1483 the option of an MT-enabled processor this option will be the only
1484 option in this menu.
340ee4b9 1485
59d6ab86
RB
1486config MIPS_MT_SMP
1487 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1488 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1489 select CPU_MIPSR2_IRQ_VI
d725cf38 1490 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1491 select MIPS_MT
f510aa3b 1492 select NR_CPUS_DEFAULT_2
41c594ab 1493 select SMP
0ab7aefc 1494 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1495 select SYS_SUPPORTS_SMP
87353d8a 1496 select SMP_UP
f41ae0b2 1497 help
59d6ab86
RB
1498 This is a kernel model which is also known a VSMP or lately
1499 has been marketesed into SMVP.
41c594ab 1500
59d6ab86
RB
1501config MIPS_MT_SMTC
1502 bool "SMTC: Use all TCs on all VPEs for SMP"
1503 depends on CPU_MIPS32_R2
1504 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1505 depends on SYS_SUPPORTS_MULTITHREADING
1506 select CPU_MIPSR2_IRQ_VI
d725cf38 1507 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1508 select MIPS_MT
130e2fb7 1509 select NR_CPUS_DEFAULT_8
340ee4b9 1510 select SMP
73b76c78 1511 select SYS_SUPPORTS_SMP
87353d8a 1512 select SMP_UP
f41ae0b2 1513 help
59d6ab86
RB
1514 This is a kernel model which is known a SMTC or lately has been
1515 marketesed into SMVP.
340ee4b9 1516
340ee4b9
RB
1517endchoice
1518
f41ae0b2
RB
1519config MIPS_MT
1520 bool
1521
0ab7aefc
RB
1522config SCHED_SMT
1523 bool "SMT (multithreading) scheduler support"
1524 depends on SYS_SUPPORTS_SCHED_SMT
1525 default n
1526 help
1527 SMT scheduler support improves the CPU scheduler's decision making
1528 when dealing with MIPS MT enabled cores at a cost of slightly
1529 increased overhead in some places. If unsure say N here.
1530
1531config SYS_SUPPORTS_SCHED_SMT
1532 bool
1533
1534
f41ae0b2
RB
1535config SYS_SUPPORTS_MULTITHREADING
1536 bool
1537
f088fc84
RB
1538config MIPS_MT_FPAFF
1539 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1540 default y
07cc0c9e
RB
1541 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1542
1543config MIPS_VPE_LOADER
1544 bool "VPE loader support."
1545 depends on SYS_SUPPORTS_MULTITHREADING
1546 select CPU_MIPSR2_IRQ_VI
1547 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1548 select MIPS_MT
1549 help
1550 Includes a loader for loading an elf relocatable object
1551 onto another VPE and running it.
f088fc84 1552
0db34215
KK
1553config MIPS_MT_SMTC_IM_BACKSTOP
1554 bool "Use per-TC register bits as backstop for inhibited IM bits"
1555 depends on MIPS_MT_SMTC
8531a35e 1556 default n
0db34215
KK
1557 help
1558 To support multiple TC microthreads acting as "CPUs" within
1559 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1560 during interrupt handling. To support legacy drivers and interrupt
1561 controller management code, SMTC has a "backstop" to track and
1562 if necessary restore the interrupt mask. This has some performance
8531a35e 1563 impact on interrupt service overhead.
0db34215 1564
f571eff0
KK
1565config MIPS_MT_SMTC_IRQAFF
1566 bool "Support IRQ affinity API"
1567 depends on MIPS_MT_SMTC
1568 default n
1569 help
1570 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1571 for SMTC Linux kernel. Requires platform support, of which
1572 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1573 platform code. Adds some overhead to interrupt dispatch, and
1574 should be used only if you know what you are doing.
f571eff0 1575
e01402b1
RB
1576config MIPS_VPE_LOADER_TOM
1577 bool "Load VPE program into memory hidden from linux"
1578 depends on MIPS_VPE_LOADER
1579 default y
1580 help
1581 The loader can use memory that is present but has been hidden from
1582 Linux using the kernel command line option "mem=xxMB". It's up to
1583 you to ensure the amount you put in the option and the space your
1584 program requires is less or equal to the amount physically present.
1585
1586# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1587config MIPS_VPE_APSP_API
5e83d430
RB
1588 bool "Enable support for AP/SP API (RTLX)"
1589 depends on MIPS_VPE_LOADER
1590 help
e01402b1 1591
2600990e
RB
1592config MIPS_APSP_KSPD
1593 bool "Enable KSPD"
1594 depends on MIPS_VPE_APSP_API
1595 default y
1596 help
1597 KSPD is a kernel daemon that accepts syscall requests from the SP
1598 side, actions them and returns the results. It also handles the
1599 "exit" syscall notifying other kernel modules the SP program is
1600 exiting. You probably want to say yes here.
1601
4a16ff4c
RB
1602config MIPS_CMP
1603 bool "MIPS CMP framework support"
1604 depends on SYS_SUPPORTS_MIPS_CMP
1605 select SYNC_R4K if BROKEN
1606 select SYS_SUPPORTS_SMP
1607 select SYS_SUPPORTS_SCHED_SMT if SMP
1608 select WEAK_ORDERING
1609 default n
1610 help
1611 This is a placeholder option for the GCMP work. It will need to
1612 be handled differently...
1613
1da177e4
LT
1614config SB1_PASS_1_WORKAROUNDS
1615 bool
1616 depends on CPU_SB1_PASS_1
1617 default y
1618
1619config SB1_PASS_2_WORKAROUNDS
1620 bool
1621 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1622 default y
1623
1624config SB1_PASS_2_1_WORKAROUNDS
1625 bool
1626 depends on CPU_SB1 && CPU_SB1_PASS_2
1627 default y
1628
1629config 64BIT_PHYS_ADDR
d806cb2b 1630 bool
1da177e4 1631
1da177e4 1632config CPU_HAS_LLSC
f7062ddb 1633 bool
1da177e4 1634
9693a853
FBH
1635config CPU_HAS_SMARTMIPS
1636 depends on SYS_SUPPORTS_SMARTMIPS
1637 bool "Support for the SmartMIPS ASE"
1638 help
1639 SmartMIPS is a extension of the MIPS32 architecture aimed at
1640 increased security at both hardware and software level for
1641 smartcards. Enabling this option will allow proper use of the
1642 SmartMIPS instructions by Linux applications. However a kernel with
1643 this option will not work on a MIPS core without SmartMIPS core. If
1644 you don't know you probably don't have SmartMIPS and should say N
1645 here.
1646
1da177e4 1647config CPU_HAS_WB
f7062ddb 1648 bool
e01402b1 1649
f41ae0b2
RB
1650#
1651# Vectored interrupt mode is an R2 feature
1652#
e01402b1 1653config CPU_MIPSR2_IRQ_VI
f41ae0b2 1654 bool
e01402b1 1655
f41ae0b2
RB
1656#
1657# Extended interrupt mode is an R2 feature
1658#
e01402b1 1659config CPU_MIPSR2_IRQ_EI
f41ae0b2 1660 bool
e01402b1 1661
1da177e4
LT
1662config CPU_HAS_SYNC
1663 bool
1664 depends on !CPU_R3000
1665 default y
1666
ea580401
RB
1667config GENERIC_CLOCKEVENTS_BROADCAST
1668 bool
1669
20d60d99
MR
1670#
1671# CPU non-features
1672#
1673config CPU_DADDI_WORKAROUNDS
1674 bool
1675
1676config CPU_R4000_WORKAROUNDS
1677 bool
1678 select CPU_R4400_WORKAROUNDS
1679
1680config CPU_R4400_WORKAROUNDS
1681 bool
1682
797798c1
RB
1683#
1684# Use the generic interrupt handling code in kernel/irq/:
1685#
1686config GENERIC_HARDIRQS
1687 bool
1688 default y
1689
1690config GENERIC_IRQ_PROBE
1691 bool
1692 default y
1693
0d7012a9 1694config IRQ_PER_CPU
0d7012a9 1695 bool
0d7012a9 1696
1da177e4
LT
1697#
1698# - Highmem only makes sense for the 32-bit kernel.
1699# - The current highmem code will only work properly on physically indexed
1700# caches such as R3000, SB1, R7000 or those that look like they're virtually
1701# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1702# moment we protect the user and offer the highmem option only on machines
1703# where it's known to be safe. This will not offer highmem on a few systems
1704# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1705# indexed CPUs but we're playing safe.
797798c1
RB
1706# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1707# know they might have memory configurations that could make use of highmem
1708# support.
1da177e4
LT
1709#
1710config HIGHMEM
1711 bool "High Memory Support"
797798c1
RB
1712 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1713
1714config CPU_SUPPORTS_HIGHMEM
1715 bool
1716
1717config SYS_SUPPORTS_HIGHMEM
1718 bool
1da177e4 1719
9693a853
FBH
1720config SYS_SUPPORTS_SMARTMIPS
1721 bool
1722
b4819b59
YY
1723config ARCH_FLATMEM_ENABLE
1724 def_bool y
1725 depends on !NUMA
1726
d8cb4e11
RB
1727config ARCH_DISCONTIGMEM_ENABLE
1728 bool
1729 default y if SGI_IP27
1730 help
3dde6ad8 1731 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1732 for architectures which are either NUMA (Non-Uniform Memory Access)
1733 or have huge holes in the physical address space for other reasons.
1734 See <file:Documentation/vm/numa> for more.
1735
cce335ae
RB
1736config ARCH_POPULATES_NODE_MAP
1737 def_bool y
1738
31473747
AN
1739config ARCH_SPARSEMEM_ENABLE
1740 bool
7de58fab 1741 select SPARSEMEM_STATIC
31473747 1742
d8cb4e11
RB
1743config NUMA
1744 bool "NUMA Support"
1745 depends on SYS_SUPPORTS_NUMA
1746 help
1747 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1748 Access). This option improves performance on systems with more
1749 than two nodes; on two node systems it is generally better to
1750 leave it disabled; on single node systems disable this option
1751 disabled.
1752
1753config SYS_SUPPORTS_NUMA
1754 bool
1755
c80d79d7
YG
1756config NODES_SHIFT
1757 int
1758 default "6"
1759 depends on NEED_MULTIPLE_NODES
1760
b4819b59
YY
1761source "mm/Kconfig"
1762
1da177e4
LT
1763config SMP
1764 bool "Multi-Processing support"
e73ea273 1765 depends on SYS_SUPPORTS_SMP
b4b30a5a 1766 select IRQ_PER_CPU
2f304c0a 1767 select USE_GENERIC_SMP_HELPERS
e73ea273 1768 help
1da177e4
LT
1769 This enables support for systems with more than one CPU. If you have
1770 a system with only one CPU, like most personal computers, say N. If
1771 you have a system with more than one CPU, say Y.
1772
1773 If you say N here, the kernel will run on single and multiprocessor
1774 machines, but will use only one CPU of a multiprocessor machine. If
1775 you say Y here, the kernel will run on many, but not all,
1776 singleprocessor machines. On a singleprocessor machine, the kernel
1777 will run faster if you say N here.
1778
1779 People using multiprocessor machines who say Y here should also say
1780 Y to "Enhanced Real Time Clock Support", below.
1781
03502faa
AB
1782 See also the SMP-HOWTO available at
1783 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1784
1785 If you don't know what to do here, say N.
1786
87353d8a
RB
1787config SMP_UP
1788 bool
1789
4a16ff4c
RB
1790config SYS_SUPPORTS_MIPS_CMP
1791 bool
1792
e73ea273
RB
1793config SYS_SUPPORTS_SMP
1794 bool
1795
72ede9b1
AN
1796config NR_CPUS_DEFAULT_1
1797 bool
1798
130e2fb7
RB
1799config NR_CPUS_DEFAULT_2
1800 bool
1801
1802config NR_CPUS_DEFAULT_4
1803 bool
1804
1805config NR_CPUS_DEFAULT_8
1806 bool
1807
1808config NR_CPUS_DEFAULT_16
1809 bool
1810
1811config NR_CPUS_DEFAULT_32
1812 bool
1813
1814config NR_CPUS_DEFAULT_64
1815 bool
1816
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LT
1817config NR_CPUS
1818 int "Maximum number of CPUs (2-64)"
72ede9b1 1819 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1820 depends on SMP
72ede9b1 1821 default "1" if NR_CPUS_DEFAULT_1
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RB
1822 default "2" if NR_CPUS_DEFAULT_2
1823 default "4" if NR_CPUS_DEFAULT_4
1824 default "8" if NR_CPUS_DEFAULT_8
1825 default "16" if NR_CPUS_DEFAULT_16
1826 default "32" if NR_CPUS_DEFAULT_32
1827 default "64" if NR_CPUS_DEFAULT_64
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LT
1828 help
1829 This allows you to specify the maximum number of CPUs which this
1830 kernel will support. The maximum supported value is 32 for 32-bit
1831 kernel and 64 for 64-bit kernels; the minimum value which makes
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AN
1832 sense is 1 for Qemu (useful only for kernel debugging purposes)
1833 and 2 for all others.
1da177e4
LT
1834
1835 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1836 approximately eight kilobytes to the kernel image. For best
1837 performance should round up your number of processors to the next
1838 power of two.
1da177e4 1839
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AN
1840source "kernel/time/Kconfig"
1841
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AN
1842#
1843# Timer Interrupt Frequency Configuration
1844#
1845
1846choice
1847 prompt "Timer frequency"
1848 default HZ_250
1849 help
1850 Allows the configuration of the timer frequency.
1851
1852 config HZ_48
0f873585 1853 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
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1854
1855 config HZ_100
1856 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1857
1858 config HZ_128
1859 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1860
1861 config HZ_250
1862 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1863
1864 config HZ_256
1865 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1866
1867 config HZ_1000
1868 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1869
1870 config HZ_1024
1871 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1872
1873endchoice
1874
1875config SYS_SUPPORTS_48HZ
1876 bool
1877
1878config SYS_SUPPORTS_100HZ
1879 bool
1880
1881config SYS_SUPPORTS_128HZ
1882 bool
1883
1884config SYS_SUPPORTS_250HZ
1885 bool
1886
1887config SYS_SUPPORTS_256HZ
1888 bool
1889
1890config SYS_SUPPORTS_1000HZ
1891 bool
1892
1893config SYS_SUPPORTS_1024HZ
1894 bool
1895
1896config SYS_SUPPORTS_ARBIT_HZ
1897 bool
1898 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1899 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1900 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1901 !SYS_SUPPORTS_1024HZ
1902
1903config HZ
1904 int
1905 default 48 if HZ_48
1906 default 100 if HZ_100
1907 default 128 if HZ_128
1908 default 250 if HZ_250
1909 default 256 if HZ_256
1910 default 1000 if HZ_1000
1911 default 1024 if HZ_1024
1912
e80de850 1913source "kernel/Kconfig.preempt"
1da177e4 1914
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LT
1915config MIPS_INSANE_LARGE
1916 bool "Support for large 64-bit configurations"
875d43e7 1917 depends on CPU_R10000 && 64BIT
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LT
1918 help
1919 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1920 previous 64-bit processors which only supported 40 bit / 1TB. If you
1921 need processes of more than 1TB virtual address space, say Y here.
1922 This will result in additional memory usage, so it is not
1923 recommended for normal users.
1924
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1925config KEXEC
1926 bool "Kexec system call (EXPERIMENTAL)"
1927 depends on EXPERIMENTAL
1928 help
1929 kexec is a system call that implements the ability to shutdown your
1930 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 1931 but it is independent of the system firmware. And like a reboot
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1932 you can start any kernel with it, not just Linux.
1933
01dd2fbf 1934 The name comes from the similarity to the exec system call.
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1935
1936 It is an ongoing process to be certain the hardware in a machine
1937 is properly shutdown, so do not be surprised if this code does not
1938 initially work for you. It may help to enable device hotplugging
1939 support. As of this writing the exact hardware interface is
1940 strongly in flux, so no good recommendation can be made.
1941
1942config SECCOMP
1943 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 1944 depends on PROC_FS
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1945 default y
1946 help
1947 This kernel feature is useful for number crunching applications
1948 that may need to compute untrusted bytecode during their
1949 execution. By using pipes or other transports made available to
1950 the process as file descriptors supporting the read/write
1951 syscalls, it's possible to isolate those applications in
1952 their own address space using seccomp. Once seccomp is
1953 enabled via /proc/<pid>/seccomp, it cannot be disabled
1954 and the task is only allowed to execute a few safe syscalls
1955 defined by each seccomp mode.
1956
1957 If unsure, say Y. Only embedded should say N here.
1958
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RB
1959endmenu
1960
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LT
1961config RWSEM_GENERIC_SPINLOCK
1962 bool
1963 default y
1964
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AN
1965config LOCKDEP_SUPPORT
1966 bool
1967 default y
1968
1969config STACKTRACE_SUPPORT
1970 bool
1971 default y
1972
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RB
1973source "init/Kconfig"
1974
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1975config PROBE_INITRD_HEADER
1976 bool "Probe initrd header created by addinitrd"
1977 depends on BLK_DEV_INITRD
1978 help
1979 Probe initrd header at the last page of kernel image.
1980 Say Y here if you are using arch/mips/boot/addinitrd.c to
1981 add initrd or initramfs image to the kernel image.
1982 Otherwise, say N.
1983
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MH
1984source "kernel/Kconfig.freezer"
1985
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LT
1986menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1987
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RB
1988config HW_HAS_EISA
1989 bool
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LT
1990config HW_HAS_PCI
1991 bool
1992
1993config PCI
1994 bool "Support for PCI controller"
1995 depends on HW_HAS_PCI
abb4ae46 1996 select PCI_DOMAINS
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LT
1997 help
1998 Find out whether you have a PCI motherboard. PCI is the name of a
1999 bus system, i.e. the way the CPU talks to the other stuff inside
2000 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2001 say Y, otherwise N.
2002
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LT
2003config PCI_DOMAINS
2004 bool
1da177e4
LT
2005
2006source "drivers/pci/Kconfig"
2007
2008#
2009# ISA support is now enabled via select. Too many systems still have the one
2010# or other ISA chip on the board that users don't know about so don't expect
2011# users to choose the right thing ...
2012#
2013config ISA
2014 bool
2015
2016config EISA
2017 bool "EISA support"
5e83d430 2018 depends on HW_HAS_EISA
1da177e4 2019 select ISA
aa414dff 2020 select GENERIC_ISA_DMA
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LT
2021 ---help---
2022 The Extended Industry Standard Architecture (EISA) bus was
2023 developed as an open alternative to the IBM MicroChannel bus.
2024
2025 The EISA bus provided some of the features of the IBM MicroChannel
2026 bus while maintaining backward compatibility with cards made for
2027 the older ISA bus. The EISA bus saw limited use between 1988 and
2028 1995 when it was made obsolete by the PCI bus.
2029
2030 Say Y here if you are building a kernel for an EISA-based machine.
2031
2032 Otherwise, say N.
2033
2034source "drivers/eisa/Kconfig"
2035
2036config TC
2037 bool "TURBOchannel support"
2038 depends on MACH_DECSTATION
2039 help
2040 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2041 processors. Documentation on writing device drivers for TurboChannel
2042 is available at:
2043 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2044
2045#config ACCESSBUS
2046# bool "Access.Bus support"
2047# depends on TC
2048
2049config MMU
2050 bool
2051 default y
2052
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RB
2053config I8253
2054 bool
2055
cce335ae
RB
2056config ZONE_DMA32
2057 bool
2058
1da177e4
LT
2059source "drivers/pcmcia/Kconfig"
2060
2061source "drivers/pci/hotplug/Kconfig"
2062
2063endmenu
2064
2065menu "Executable file formats"
2066
2067source "fs/Kconfig.binfmt"
2068
2069config TRAD_SIGNALS
2070 bool
1da177e4 2071
1da177e4
LT
2072config MIPS32_COMPAT
2073 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2074 depends on 64BIT
1da177e4
LT
2075 help
2076 Select this option if you want Linux/MIPS 32-bit binary
2077 compatibility. Since all software available for Linux/MIPS is
2078 currently 32-bit you should say Y here.
2079
2080config COMPAT
2081 bool
2082 depends on MIPS32_COMPAT
2083 default y
2084
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AN
2085config SYSVIPC_COMPAT
2086 bool
2087 depends on COMPAT && SYSVIPC
2088 default y
2089
1da177e4
LT
2090config MIPS32_O32
2091 bool "Kernel support for o32 binaries"
2092 depends on MIPS32_COMPAT
2093 help
2094 Select this option if you want to run o32 binaries. These are pure
2095 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2096 existing binaries are in this format.
2097
2098 If unsure, say Y.
2099
2100config MIPS32_N32
2101 bool "Kernel support for n32 binaries"
2102 depends on MIPS32_COMPAT
2103 help
2104 Select this option if you want to run n32 binaries. These are
2105 64-bit binaries using 32-bit quantities for addressing and certain
2106 data that would normally be 64-bit. They are used in special
2107 cases.
2108
2109 If unsure, say N.
2110
2111config BINFMT_ELF32
2112 bool
2113 default y if MIPS32_O32 || MIPS32_N32
2114
2116245e
RB
2115endmenu
2116
2117menu "Power management options"
2118
f4cb5700
JB
2119config ARCH_SUSPEND_POSSIBLE
2120 def_bool y
2121 depends on !SMP
2122
2116245e 2123source "kernel/power/Kconfig"
952fa954 2124
1da177e4
LT
2125endmenu
2126
d5950b43
SR
2127source "net/Kconfig"
2128
1da177e4
LT
2129source "drivers/Kconfig"
2130
2131source "fs/Kconfig"
2132
2133source "arch/mips/Kconfig.debug"
2134
2135source "security/Kconfig"
2136
2137source "crypto/Kconfig"
2138
2139source "lib/Kconfig"
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