MIPS: Alchemy: In plat_time_init() t reaches -1, tested: 0
[GitHub/mt8127/android_kernel_alcatel_ttab.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
9fd32cfb 80 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
81
82config MACH_DECSTATION
3fa986fa 83 bool "DECstations"
1da177e4 84 select BOOT_ELF32
6457d9fc 85 select CEVT_DS1287
42f77542 86 select CEVT_R4K
4247417d 87 select CSRC_IOASIC
940f6b48 88 select CSRC_R4K
20d60d99
MR
89 select CPU_DADDI_WORKAROUNDS if 64BIT
90 select CPU_R4000_WORKAROUNDS if 64BIT
91 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 92 select DMA_NONCOHERENT
d388d685 93 select NO_IOPORT
1da177e4 94 select IRQ_CPU
7cf8053b
RB
95 select SYS_HAS_CPU_R3000
96 select SYS_HAS_CPU_R4X00
ed5ba2fb
YY
97 select SYS_SUPPORTS_32BIT_KERNEL
98 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 99 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
100 select SYS_SUPPORTS_128HZ
101 select SYS_SUPPORTS_256HZ
102 select SYS_SUPPORTS_1024HZ
5e83d430 103 help
1da177e4
LT
104 This enables support for DEC's MIPS based workstations. For details
105 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
106 DECstation porting pages on <http://decstation.unix-ag.org/>.
107
108 If you have one of the following DECstation Models you definitely
109 want to choose R4xx0 for the CPU Type:
110
9308816c
RB
111 DECstation 5000/50
112 DECstation 5000/150
113 DECstation 5000/260
114 DECsystem 5900/260
1da177e4
LT
115
116 otherwise choose R3000.
117
5e83d430 118config MACH_JAZZ
3fa986fa 119 bool "Jazz family of machines"
5e83d430
RB
120 select ARC
121 select ARC32
122 select ARCH_MAY_HAVE_PC_FDC
42f77542 123 select CEVT_R4K
940f6b48 124 select CSRC_R4K
e2defae5 125 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 126 select GENERIC_ISA_DMA
ea202c63 127 select IRQ_CPU
d865bea4 128 select I8253
5e83d430
RB
129 select I8259
130 select ISA
7cf8053b 131 select SYS_HAS_CPU_R4X00
5e83d430
RB
132 select SYS_SUPPORTS_32BIT_KERNEL
133 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1723b4a3 134 select SYS_SUPPORTS_100HZ
9fd32cfb 135 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4 136 help
5e83d430
RB
137 This a family of machines based on the MIPS R4030 chipset which was
138 used by several vendors to build RISC/os and Windows NT workstations.
139 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
140 Olivetti M700-10 workstations.
141
1f21d2bd
BM
142config LASAT
143 bool "LASAT Networks platforms"
42f77542 144 select CEVT_R4K
940f6b48 145 select CSRC_R4K
1f21d2bd
BM
146 select DMA_NONCOHERENT
147 select SYS_HAS_EARLY_PRINTK
148 select HW_HAS_PCI
a5ccfe5c 149 select IRQ_CPU
1f21d2bd
BM
150 select PCI_GT64XXX_PCI0
151 select MIPS_NILE4
152 select R5000_CPU_SCACHE
153 select SYS_HAS_CPU_R5000
154 select SYS_SUPPORTS_32BIT_KERNEL
155 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
156 select SYS_SUPPORTS_LITTLE_ENDIAN
157 select GENERIC_HARDIRQS_NO__DO_IRQ
158
ade299d8
YY
159config LEMOTE_FULONG
160 bool "Lemote Fulong mini-PC"
161 select ARCH_SPARSEMEM_ENABLE
42f77542 162 select CEVT_R4K
940f6b48 163 select CSRC_R4K
ade299d8
YY
164 select SYS_HAS_CPU_LOONGSON2
165 select DMA_NONCOHERENT
166 select BOOT_ELF32
167 select BOARD_SCACHE
168 select HAVE_STD_PC_SERIAL_PORT
169 select HW_HAS_PCI
170 select I8259
171 select ISA
172 select IRQ_CPU
173 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_LITTLE_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM
177 select SYS_HAS_EARLY_PRINTK
178 select GENERIC_HARDIRQS_NO__DO_IRQ
23dd6d35 179 select GENERIC_ISA_DMA_SUPPORT_BROKEN
ade299d8
YY
180 select CPU_HAS_WB
181 help
182 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
183 an FPGA northbridge
184
1da177e4 185config MIPS_MALTA
3fa986fa 186 bool "MIPS Malta board"
61ed242d 187 select ARCH_MAY_HAVE_PC_FDC
1da177e4 188 select BOOT_ELF32
fa71c960 189 select BOOT_RAW
42f77542 190 select CEVT_R4K
940f6b48 191 select CSRC_R4K
1da177e4
LT
192 select DMA_NONCOHERENT
193 select GENERIC_ISA_DMA
aa414dff 194 select IRQ_CPU
39b8d525 195 select IRQ_GIC
1da177e4 196 select HW_HAS_PCI
d865bea4 197 select I8253
1da177e4 198 select I8259
5e83d430
RB
199 select MIPS_BOARDS_GEN
200 select MIPS_BONITO64
9318c51a 201 select MIPS_CPU_SCACHE
252161ec 202 select PCI_GT64XXX_PCI0
5e83d430 203 select MIPS_MSC
1da177e4 204 select SWAP_IO_SPACE
7cf8053b
RB
205 select SYS_HAS_CPU_MIPS32_R1
206 select SYS_HAS_CPU_MIPS32_R2
207 select SYS_HAS_CPU_MIPS64_R1
208 select SYS_HAS_CPU_NEVADA
209 select SYS_HAS_CPU_RM7000
36a88530 210 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
211 select SYS_SUPPORTS_32BIT_KERNEL
212 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
213 select SYS_SUPPORTS_BIG_ENDIAN
214 select SYS_SUPPORTS_LITTLE_ENDIAN
4a16ff4c 215 select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
f41ae0b2 216 select SYS_SUPPORTS_MULTITHREADING
9693a853 217 select SYS_SUPPORTS_SMARTMIPS
1da177e4 218 help
f638d197 219 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
220 board.
221
5e83d430 222config MIPS_SIM
3fa986fa 223 bool 'MIPS simulator (MIPSsim)'
42f77542 224 select CEVT_R4K
940f6b48 225 select CSRC_R4K
1da177e4 226 select DMA_NONCOHERENT
36a88530 227 select SYS_HAS_EARLY_PRINTK
1da177e4 228 select IRQ_CPU
9267a30d 229 select BOOT_RAW
7cf8053b
RB
230 select SYS_HAS_CPU_MIPS32_R1
231 select SYS_HAS_CPU_MIPS32_R2
36a88530 232 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 233 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 234 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 235 select SYS_SUPPORTS_MULTITHREADING
5e83d430 236 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 237 help
5e83d430
RB
238 This option enables support for MIPS Technologies MIPSsim software
239 emulator.
1da177e4 240
cd741b60
SK
241config MACH_EMMA
242 bool "NEC EMMA series based machines"
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
9fd32cfb 249 select GENERIC_HARDIRQS_NO__DO_IRQ
5e83d430 250
edb6310a
DL
251config NXP_STB220
252 bool "NXP STB220 board"
253 select SOC_PNX833X
254 help
255 Support for NXP Semiconductors STB220 Development Board.
256
257config NXP_STB225
258 bool "NXP 225 board"
259 select SOC_PNX833X
260 select SOC_PNX8335
261 help
262 Support for NXP Semiconductors STB225 Development Board.
263
ade299d8 264config PNX8550_JBS
a92b0588 265 bool "NXP PNX8550 based JBS board"
ade299d8
YY
266 select PNX8550
267 select SYS_SUPPORTS_LITTLE_ENDIAN
268
269config PNX8550_STB810
a92b0588 270 bool "NXP PNX8550 based STB810 board"
ade299d8
YY
271 select PNX8550
272 select SYS_SUPPORTS_LITTLE_ENDIAN
273
9267a30d
MSJ
274config PMC_MSP
275 bool "PMC-Sierra MSP chipsets"
276 depends on EXPERIMENTAL
277 select DMA_NONCOHERENT
278 select SWAP_IO_SPACE
279 select NO_EXCEPT_FILL
280 select BOOT_RAW
281 select SYS_HAS_CPU_MIPS32_R1
282 select SYS_HAS_CPU_MIPS32_R2
283 select SYS_SUPPORTS_32BIT_KERNEL
284 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
285 select IRQ_CPU
286 select SERIAL_8250
287 select SERIAL_8250_CONSOLE
288 help
289 This adds support for the PMC-Sierra family of Multi-Service
290 Processor System-On-A-Chips. These parts include a number
291 of integrated peripherals, interfaces and DSPs in addition to
292 a variety of MIPS cores.
293
5e83d430 294config PMC_YOSEMITE
3fa986fa 295 bool "PMC-Sierra Yosemite eval board"
42f77542 296 select CEVT_R4K
940f6b48 297 select CSRC_R4K
5e83d430
RB
298 select DMA_COHERENT
299 select HW_HAS_PCI
300 select IRQ_CPU
301 select IRQ_CPU_RM7K
302 select IRQ_CPU_RM9K
303 select SWAP_IO_SPACE
7cf8053b 304 select SYS_HAS_CPU_RM9000
36a88530 305 select SYS_HAS_EARLY_PRINTK
5e83d430
RB
306 select SYS_SUPPORTS_32BIT_KERNEL
307 select SYS_SUPPORTS_64BIT_KERNEL
308 select SYS_SUPPORTS_BIG_ENDIAN
309 select SYS_SUPPORTS_HIGHMEM
e73ea273 310 select SYS_SUPPORTS_SMP
5e83d430
RB
311 help
312 Yosemite is an evaluation board for the RM9000x2 processor
313 manufactured by PMC-Sierra.
1da177e4 314
1da177e4 315config SGI_IP22
3fa986fa 316 bool "SGI IP22 (Indy/Indigo2)"
1da177e4
LT
317 select ARC
318 select ARC32
319 select BOOT_ELF32
42f77542 320 select CEVT_R4K
940f6b48 321 select CSRC_R4K
e2defae5 322 select DEFAULT_SGI_PARTITION
1da177e4 323 select DMA_NONCOHERENT
5e83d430 324 select HW_HAS_EISA
d865bea4 325 select I8253
68de4803 326 select I8259
1da177e4
LT
327 select IP22_CPU_SCACHE
328 select IRQ_CPU
aa414dff 329 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
330 select SGI_HAS_I8042
331 select SGI_HAS_INDYDOG
36e5c21d 332 select SGI_HAS_HAL2
e2defae5
TB
333 select SGI_HAS_SEEQ
334 select SGI_HAS_WD93
335 select SGI_HAS_ZILOG
1da177e4 336 select SWAP_IO_SPACE
7cf8053b
RB
337 select SYS_HAS_CPU_R4X00
338 select SYS_HAS_CPU_R5000
36a88530 339 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
340 select SYS_SUPPORTS_32BIT_KERNEL
341 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 342 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
343 help
344 This are the SGI Indy, Challenge S and Indigo2, as well as certain
345 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
346 that runs on these, say Y here.
347
348config SGI_IP27
3fa986fa 349 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
350 select ARC
351 select ARC64
5e83d430 352 select BOOT_ELF64
e2defae5 353 select DEFAULT_SGI_PARTITION
634286f1 354 select DMA_COHERENT
36a88530 355 select SYS_HAS_EARLY_PRINTK
1da177e4 356 select HW_HAS_PCI
130e2fb7 357 select NR_CPUS_DEFAULT_64
7cf8053b 358 select SYS_HAS_CPU_R10000
ed5ba2fb 359 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 360 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 361 select SYS_SUPPORTS_NUMA
1a5c5de1 362 select SYS_SUPPORTS_SMP
e77c232c 363 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
364 help
365 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
366 workstations. To compile a Linux kernel that runs on these, say Y
367 here.
368
e2defae5
TB
369config SGI_IP28
370 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
371 depends on EXPERIMENTAL
372 select ARC
373 select ARC64
374 select BOOT_ELF64
375 select CEVT_R4K
376 select CSRC_R4K
377 select DEFAULT_SGI_PARTITION
378 select DMA_NONCOHERENT
379 select GENERIC_ISA_DMA_SUPPORT_BROKEN
380 select IRQ_CPU
381 select HW_HAS_EISA
382 select I8253
383 select I8259
e2defae5
TB
384 select SGI_HAS_I8042
385 select SGI_HAS_INDYDOG
5b438c44 386 select SGI_HAS_HAL2
e2defae5
TB
387 select SGI_HAS_SEEQ
388 select SGI_HAS_WD93
389 select SGI_HAS_ZILOG
390 select SWAP_IO_SPACE
391 select SYS_HAS_CPU_R10000
392 select SYS_HAS_EARLY_PRINTK
393 select SYS_SUPPORTS_64BIT_KERNEL
394 select SYS_SUPPORTS_BIG_ENDIAN
395 help
396 This is the SGI Indigo2 with R10000 processor. To compile a Linux
397 kernel that runs on these, say Y here.
398
1da177e4 399config SGI_IP32
cfd2afc0 400 bool "SGI IP32 (O2)"
1da177e4
LT
401 select ARC
402 select ARC32
403 select BOOT_ELF32
42f77542 404 select CEVT_R4K
940f6b48 405 select CSRC_R4K
1da177e4
LT
406 select DMA_NONCOHERENT
407 select HW_HAS_PCI
dd67b155 408 select IRQ_CPU
1da177e4
LT
409 select R5000_CPU_SCACHE
410 select RM7000_CPU_SCACHE
7cf8053b
RB
411 select SYS_HAS_CPU_R5000
412 select SYS_HAS_CPU_R10000 if BROKEN
413 select SYS_HAS_CPU_RM7000
dd2f18fe 414 select SYS_HAS_CPU_NEVADA
ed5ba2fb 415 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 416 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 417 help
5e83d430 418 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 419
ade299d8
YY
420config SIBYTE_CRHINE
421 bool "Sibyte BCM91120C-CRhine"
422 depends on EXPERIMENTAL
9a6dcea1
AI
423 select BOOT_ELF32
424 select DMA_COHERENT
ade299d8 425 select SIBYTE_BCM1120
9a6dcea1 426 select SWAP_IO_SPACE
7cf8053b 427 select SYS_HAS_CPU_SB1
9a6dcea1
AI
428 select SYS_SUPPORTS_BIG_ENDIAN
429 select SYS_SUPPORTS_LITTLE_ENDIAN
430
ade299d8
YY
431config SIBYTE_CARMEL
432 bool "Sibyte BCM91120x-Carmel"
433 depends on EXPERIMENTAL
5e83d430 434 select BOOT_ELF32
1da177e4 435 select DMA_COHERENT
ade299d8 436 select SIBYTE_BCM1120
5e83d430 437 select SWAP_IO_SPACE
7cf8053b 438 select SYS_HAS_CPU_SB1
81731f79 439 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 440 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 441
ade299d8
YY
442config SIBYTE_CRHONE
443 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
444 depends on EXPERIMENTAL
445 select BOOT_ELF32
446 select DMA_COHERENT
ade299d8 447 select SIBYTE_BCM1125
5e83d430 448 select SWAP_IO_SPACE
7cf8053b 449 select SYS_HAS_CPU_SB1
5e83d430 450 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 451 select SYS_SUPPORTS_HIGHMEM
5e83d430 452 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 453
5e83d430 454config SIBYTE_RHONE
3fa986fa 455 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
456 depends on EXPERIMENTAL
457 select BOOT_ELF32
458 select DMA_COHERENT
459 select SIBYTE_BCM1125H
460 select SWAP_IO_SPACE
7cf8053b 461 select SYS_HAS_CPU_SB1
5e83d430
RB
462 select SYS_SUPPORTS_BIG_ENDIAN
463 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 464
ade299d8
YY
465config SIBYTE_SWARM
466 bool "Sibyte BCM91250A-SWARM"
5e83d430 467 select BOOT_ELF32
26a940e2 468 select DMA_COHERENT
ade299d8
YY
469 select NR_CPUS_DEFAULT_2
470 select SIBYTE_SB1250
5e83d430 471 select SWAP_IO_SPACE
7cf8053b 472 select SYS_HAS_CPU_SB1
5e83d430 473 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 474 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 475 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 476 select ZONE_DMA32 if 64BIT
e3ad1c23 477
ade299d8
YY
478config SIBYTE_LITTLESUR
479 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
480 depends on EXPERIMENTAL
481 select BOOT_ELF32
482 select DMA_COHERENT
130e2fb7 483 select NR_CPUS_DEFAULT_2
5e83d430
RB
484 select SIBYTE_SB1250
485 select SWAP_IO_SPACE
7cf8053b 486 select SYS_HAS_CPU_SB1
5e83d430
RB
487 select SYS_SUPPORTS_BIG_ENDIAN
488 select SYS_SUPPORTS_HIGHMEM
489 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 490
ade299d8
YY
491config SIBYTE_SENTOSA
492 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
493 depends on EXPERIMENTAL
494 select BOOT_ELF32
495 select DMA_COHERENT
130e2fb7 496 select NR_CPUS_DEFAULT_2
5e83d430
RB
497 select SIBYTE_SB1250
498 select SWAP_IO_SPACE
7cf8053b 499 select SYS_HAS_CPU_SB1
5e83d430 500 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 501 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 502
ade299d8
YY
503config SIBYTE_BIGSUR
504 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
505 select BOOT_ELF32
506 select DMA_COHERENT
ade299d8 507 select NR_CPUS_DEFAULT_4
ade299d8 508 select SIBYTE_BCM1x80
5e83d430 509 select SWAP_IO_SPACE
7cf8053b 510 select SYS_HAS_CPU_SB1
5e83d430 511 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 512 select SYS_SUPPORTS_HIGHMEM
5e83d430 513 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 514 select ZONE_DMA32 if 64BIT
1da177e4 515
14b36af4
TB
516config SNI_RM
517 bool "SNI RM200/300/400"
4a0312fc
TB
518 select ARC if CPU_LITTLE_ENDIAN
519 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 520 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 521 select ARCH_MAY_HAVE_PC_FDC
1da177e4 522 select BOOT_ELF32
42f77542 523 select CEVT_R4K
940f6b48 524 select CSRC_R4K
e2defae5 525 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
526 select DMA_NONCOHERENT
527 select GENERIC_ISA_DMA
5e83d430 528 select HW_HAS_EISA
1da177e4 529 select HW_HAS_PCI
c066a32a 530 select IRQ_CPU
d865bea4 531 select I8253
1da177e4
LT
532 select I8259
533 select ISA
4a0312fc 534 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 535 select SYS_HAS_CPU_R4X00
4a0312fc 536 select SYS_HAS_CPU_R5000
c066a32a 537 select SYS_HAS_CPU_R10000
4a0312fc 538 select R5000_CPU_SCACHE
36a88530 539 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
540 select SYS_SUPPORTS_32BIT_KERNEL
541 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 542 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 543 select SYS_SUPPORTS_HIGHMEM
5e83d430 544 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 545 help
14b36af4
TB
546 The SNI RM200/300/400 are MIPS-based machines manufactured by
547 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
548 Technology and now in turn merged with Fujitsu. Say Y here to
549 support this machine type.
550
edcaf1a6
AN
551config MACH_TX39XX
552 bool "Toshiba TX39 series based machines"
5e83d430 553
edcaf1a6
AN
554config MACH_TX49XX
555 bool "Toshiba TX49 series based machines"
5e83d430 556
73b4390f
RB
557config MIKROTIK_RB532
558 bool "Mikrotik RB532 boards"
559 select CEVT_R4K
560 select CSRC_R4K
561 select DMA_NONCOHERENT
562 select GENERIC_HARDIRQS_NO__DO_IRQ
563 select HW_HAS_PCI
564 select IRQ_CPU
565 select SYS_HAS_CPU_MIPS32_R1
566 select SYS_SUPPORTS_32BIT_KERNEL
567 select SYS_SUPPORTS_LITTLE_ENDIAN
568 select SWAP_IO_SPACE
569 select BOOT_RAW
d888e25b 570 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
571 help
572 Support the Mikrotik(tm) RouterBoard 532 series,
573 based on the IDT RC32434 SoC.
574
ade299d8
YY
575config WR_PPMC
576 bool "Wind River PPMC board"
42f77542 577 select CEVT_R4K
940f6b48 578 select CSRC_R4K
ade299d8
YY
579 select IRQ_CPU
580 select BOOT_ELF32
581 select DMA_NONCOHERENT
582 select HW_HAS_PCI
583 select PCI_GT64XXX_PCI0
584 select SWAP_IO_SPACE
585 select SYS_HAS_CPU_MIPS32_R1
586 select SYS_HAS_CPU_MIPS32_R2
587 select SYS_HAS_CPU_MIPS64_R1
588 select SYS_HAS_CPU_NEVADA
589 select SYS_HAS_CPU_RM7000
590 select SYS_SUPPORTS_32BIT_KERNEL
591 select SYS_SUPPORTS_64BIT_KERNEL
592 select SYS_SUPPORTS_BIG_ENDIAN
593 select SYS_SUPPORTS_LITTLE_ENDIAN
594 help
595 This enables support for the Wind River MIPS32 4KC PPMC evaluation
596 board, which is based on GT64120 bridge chip.
597
a86c7f72
DD
598config CAVIUM_OCTEON_SIMULATOR
599 bool "Support for the Cavium Networks Octeon Simulator"
600 select CEVT_R4K
601 select 64BIT_PHYS_ADDR
602 select DMA_COHERENT
603 select SYS_SUPPORTS_64BIT_KERNEL
604 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_HIGHMEM
5e683389 606 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
607 help
608 The Octeon simulator is software performance model of the Cavium
609 Octeon Processor. It supports simulating Octeon processors on x86
610 hardware.
611
612config CAVIUM_OCTEON_REFERENCE_BOARD
613 bool "Support for the Cavium Networks Octeon reference board"
614 select CEVT_R4K
615 select 64BIT_PHYS_ADDR
616 select DMA_COHERENT
617 select SYS_SUPPORTS_64BIT_KERNEL
618 select SYS_SUPPORTS_BIG_ENDIAN
619 select SYS_SUPPORTS_HIGHMEM
620 select SYS_HAS_EARLY_PRINTK
5e683389 621 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
622 select SWAP_IO_SPACE
623 help
624 This option supports all of the Octeon reference boards from Cavium
625 Networks. It builds a kernel that dynamically determines the Octeon
626 CPU type and supports all known board reference implementations.
627 Some of the supported boards are:
628 EBT3000
629 EBH3000
630 EBH3100
631 Thunder
632 Kodama
633 Hikari
634 Say Y here for most Octeon reference boards.
635
5e83d430 636endchoice
1da177e4 637
e8c7c482 638source "arch/mips/alchemy/Kconfig"
9c746edb 639source "arch/mips/basler/excite/Kconfig"
cd741b60 640source "arch/mips/emma/Kconfig"
5e83d430 641source "arch/mips/jazz/Kconfig"
1f21d2bd 642source "arch/mips/lasat/Kconfig"
5e83d430 643source "arch/mips/pmc-sierra/Kconfig"
29c48699 644source "arch/mips/sgi-ip27/Kconfig"
38b18f72 645source "arch/mips/sibyte/Kconfig"
22b1d707 646source "arch/mips/txx9/Kconfig"
5e83d430 647source "arch/mips/vr41xx/Kconfig"
a86c7f72 648source "arch/mips/cavium-octeon/Kconfig"
38b18f72 649
5e83d430
RB
650endmenu
651
1da177e4
LT
652config RWSEM_GENERIC_SPINLOCK
653 bool
654 default y
655
656config RWSEM_XCHGADD_ALGORITHM
657 bool
658
f0d1b0b3
DH
659config ARCH_HAS_ILOG2_U32
660 bool
661 default n
662
663config ARCH_HAS_ILOG2_U64
664 bool
665 default n
666
00a58253
RB
667config ARCH_SUPPORTS_OPROFILE
668 bool
669 default y if !MIPS_MT_SMTC
670
3c9ee7ef
AM
671config GENERIC_FIND_NEXT_BIT
672 bool
673 default y
674
675config GENERIC_HWEIGHT
676 bool
677 default y
678
1da177e4
LT
679config GENERIC_CALIBRATE_DELAY
680 bool
681 default y
682
7bcf7717
RB
683config GENERIC_CLOCKEVENTS
684 bool
685 default y
686
8db02010
RB
687config GENERIC_TIME
688 bool
689 default y
690
f5ff0a28
RB
691config GENERIC_CMOS_UPDATE
692 bool
693 default y
694
ae1e9130 695config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
696 bool
697 default y
698
e77c232c
FBH
699config GENERIC_HARDIRQS_NO__DO_IRQ
700 bool
701 default n
702
1da177e4
LT
703#
704# Select some configuration options automatically based on user selections.
705#
706config ARC
707 bool
1da177e4 708
61ed242d
RB
709config ARCH_MAY_HAVE_PC_FDC
710 bool
711
9267a30d
MSJ
712config BOOT_RAW
713 bool
714
217dd11e
RB
715config CEVT_BCM1480
716 bool
717
6457d9fc
YY
718config CEVT_DS1287
719 bool
720
1097c6ac
YY
721config CEVT_GT641XX
722 bool
723
779e7d41
ML
724config CEVT_R4K_LIB
725 bool
726
42f77542 727config CEVT_R4K
779e7d41 728 select CEVT_R4K_LIB
42f77542
RB
729 bool
730
217dd11e
RB
731config CEVT_SB1250
732 bool
733
229f773e
AN
734config CEVT_TXX9
735 bool
736
217dd11e
RB
737config CSRC_BCM1480
738 bool
739
4247417d
YY
740config CSRC_IOASIC
741 bool
742
779e7d41
ML
743config CSRC_R4K_LIB
744 bool
745
940f6b48 746config CSRC_R4K
779e7d41 747 select CSRC_R4K_LIB
940f6b48
RB
748 bool
749
217dd11e
RB
750config CSRC_SB1250
751 bool
752
a9aec7fe
AN
753config GPIO_TXX9
754 select GENERIC_GPIO
7444a72e 755 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
756 bool
757
df78b5c8
AJ
758config CFE
759 bool
760
4ce588cd 761config DMA_COHERENT
1da177e4
LT
762 bool
763
4ce588cd
RB
764config DMA_NONCOHERENT
765 bool
766 select DMA_NEED_PCI_MAP_STATE
767
768config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
769 bool
770
771config EARLY_PRINTK
36a88530
RB
772 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
773 depends on SYS_HAS_EARLY_PRINTK
774 default y
775 help
776 This option enables special console drivers which allow the kernel
777 to print messages very early in the bootup process.
778
779 This is useful for kernel debugging when your machine crashes very
490dcc4d
RD
780 early before the console code is initialized. For normal operation,
781 it is not recommended because it looks ugly on some machines and
782 doesn't cooperate with an X server. You should normally say N here,
36a88530
RB
783 unless you want to debug such a crash.
784
785config SYS_HAS_EARLY_PRINTK
1da177e4 786 bool
1da177e4 787
dbb74540
RB
788config HOTPLUG_CPU
789 bool
790 default n
791
1da177e4
LT
792config I8259
793 bool
1da177e4 794
1da177e4
LT
795config MIPS_BONITO64
796 bool
1da177e4
LT
797
798config MIPS_MSC
799 bool
1da177e4 800
1f21d2bd
BM
801config MIPS_NILE4
802 bool
803
1da177e4
LT
804config MIPS_DISABLE_OBSOLETE_IDE
805 bool
806
39b8d525
RB
807config SYNC_R4K
808 bool
809
d388d685
MR
810config NO_IOPORT
811 def_bool n
812
8313da30
RB
813config GENERIC_ISA_DMA
814 bool
815 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
816
aa414dff
RB
817config GENERIC_ISA_DMA_SUPPORT_BROKEN
818 bool
8313da30 819 select GENERIC_ISA_DMA
aa414dff 820
09663335
YY
821config GENERIC_GPIO
822 bool
823
5e83d430 824#
3cb2fccc 825# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
826# answer,so we try hard to limit the available choices. Also the use of a
827# choice statement should be more obvious to the user.
828#
829choice
830 prompt "Endianess selection"
1da177e4
LT
831 help
832 Some MIPS machines can be configured for either little or big endian
5e83d430 833 byte order. These modes require different kernels and a different
3cb2fccc 834 Linux distribution. In general there is one preferred byteorder for a
5e83d430 835 particular system but some systems are just as commonly used in the
3dde6ad8 836 one or the other endianness.
5e83d430
RB
837
838config CPU_BIG_ENDIAN
839 bool "Big endian"
840 depends on SYS_SUPPORTS_BIG_ENDIAN
841
842config CPU_LITTLE_ENDIAN
843 bool "Little endian"
844 depends on SYS_SUPPORTS_LITTLE_ENDIAN
845 help
846
847endchoice
848
2116245e
RB
849config SYS_SUPPORTS_APM_EMULATION
850 bool
851
5e83d430
RB
852config SYS_SUPPORTS_BIG_ENDIAN
853 bool
854
855config SYS_SUPPORTS_LITTLE_ENDIAN
856 bool
1da177e4
LT
857
858config IRQ_CPU
859 bool
860
861config IRQ_CPU_RM7K
862 bool
863
5e83d430
RB
864config IRQ_CPU_RM9K
865 bool
866
9267a30d
MSJ
867config IRQ_MSP_SLP
868 bool
869
870config IRQ_MSP_CIC
871 bool
872
8420fd00
AN
873config IRQ_TXX9
874 bool
875
d5ab1a69
YY
876config IRQ_GT641XX
877 bool
878
39b8d525
RB
879config IRQ_GIC
880 bool
881
a86c7f72
DD
882config IRQ_CPU_OCTEON
883 bool
884
1da177e4
LT
885config MIPS_BOARDS_GEN
886 bool
1da177e4 887
252161ec 888config PCI_GT64XXX_PCI0
1da177e4 889 bool
1da177e4 890
9267a30d
MSJ
891config NO_EXCEPT_FILL
892 bool
893
663c3d90 894config MIPS_RM9122
895 bool
896 select SERIAL_RM9000
663c3d90 897
edb6310a
DL
898config SOC_PNX833X
899 bool
900 select CEVT_R4K
901 select CSRC_R4K
902 select IRQ_CPU
903 select DMA_NONCOHERENT
904 select SYS_HAS_CPU_MIPS32_R2
905 select SYS_SUPPORTS_32BIT_KERNEL
906 select SYS_SUPPORTS_LITTLE_ENDIAN
907 select SYS_SUPPORTS_BIG_ENDIAN
908 select GENERIC_HARDIRQS_NO__DO_IRQ
909 select GENERIC_GPIO
910 select CPU_MIPSR2_IRQ_VI
911
912config SOC_PNX8335
913 bool
914 select SOC_PNX833X
915
bdf21b18
PP
916config PNX8550
917 bool
918 select SOC_PNX8550
919
920config SOC_PNX8550
921 bool
bdf21b18
PP
922 select DMA_NONCOHERENT
923 select HW_HAS_PCI
b8c2a77c 924 select SYS_HAS_CPU_MIPS32_R1
36a88530 925 select SYS_HAS_EARLY_PRINTK
7cf8053b 926 select SYS_SUPPORTS_32BIT_KERNEL
e77c232c 927 select GENERIC_HARDIRQS_NO__DO_IRQ
4ead1681 928 select GENERIC_GPIO
bdf21b18 929
1da177e4
LT
930config SWAP_IO_SPACE
931 bool
932
355c471f 933config EMMA2RH
934 bool
935 depends on MARKEINS
936 default y
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
1394 help
1395 Select this option if you want to build a 64-bit kernel.
1396
1397endchoice
1398
1da177e4
LT
1399choice
1400 prompt "Kernel page size"
1401 default PAGE_SIZE_4KB
1402
1403config PAGE_SIZE_4KB
1404 bool "4kB"
1405 help
1406 This option select the standard 4kB Linux page size. On some
1407 R3000-family processors this is the only available page size. Using
1408 4kB page size will minimize memory consumption and is therefore
1409 recommended for low memory systems.
1410
1411config PAGE_SIZE_8KB
1412 bool "8kB"
1413 depends on EXPERIMENTAL && CPU_R8000
1414 help
1415 Using 8kB page size will result in higher performance kernel at
1416 the price of higher memory consumption. This option is available
1417 only on the R8000 processor. Not that at the time of this writing
1418 this option is still high experimental; there are also issues with
1419 compatibility of user applications.
1420
1421config PAGE_SIZE_16KB
1422 bool "16kB"
714bfad6 1423 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1424 help
1425 Using 16kB page size will result in higher performance kernel at
1426 the price of higher memory consumption. This option is available on
714bfad6
RB
1427 all non-R3000 family processors. Note that you will need a suitable
1428 Linux distribution to support this.
1da177e4
LT
1429
1430config PAGE_SIZE_64KB
1431 bool "64kB"
1432 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1433 help
1434 Using 64kB page size will result in higher performance kernel at
1435 the price of higher memory consumption. This option is available on
1436 all non-R3000 family processor. Not that at the time of this
714bfad6 1437 writing this option is still high experimental.
1da177e4
LT
1438
1439endchoice
1440
1441config BOARD_SCACHE
1442 bool
1443
1444config IP22_CPU_SCACHE
1445 bool
1446 select BOARD_SCACHE
1447
9318c51a
CD
1448#
1449# Support for a MIPS32 / MIPS64 style S-caches
1450#
1451config MIPS_CPU_SCACHE
1452 bool
1453 select BOARD_SCACHE
1454
1da177e4
LT
1455config R5000_CPU_SCACHE
1456 bool
1457 select BOARD_SCACHE
1458
1459config RM7000_CPU_SCACHE
1460 bool
1461 select BOARD_SCACHE
1462
1463config SIBYTE_DMA_PAGEOPS
1464 bool "Use DMA to clear/copy pages"
1465 depends on CPU_SB1
1466 help
1467 Instead of using the CPU to zero and copy pages, use a Data Mover
1468 channel. These DMA channels are otherwise unused by the standard
1469 SiByte Linux port. Seems to give a small performance benefit.
1470
1471config CPU_HAS_PREFETCH
c8094b53 1472 bool
1da177e4 1473
340ee4b9
RB
1474choice
1475 prompt "MIPS MT options"
f41ae0b2
RB
1476
1477config MIPS_MT_DISABLED
1478 bool "Disable multithreading support."
1479 help
1480 Use this option if your workload can't take advantage of
1481 MIPS hardware multithreading support. On systems that don't have
1482 the option of an MT-enabled processor this option will be the only
1483 option in this menu.
340ee4b9 1484
59d6ab86
RB
1485config MIPS_MT_SMP
1486 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1487 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1488 select CPU_MIPSR2_IRQ_VI
d725cf38 1489 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1490 select MIPS_MT
f510aa3b 1491 select NR_CPUS_DEFAULT_2
41c594ab 1492 select SMP
0ab7aefc 1493 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1494 select SYS_SUPPORTS_SMP
87353d8a 1495 select SMP_UP
f41ae0b2 1496 help
59d6ab86
RB
1497 This is a kernel model which is also known a VSMP or lately
1498 has been marketesed into SMVP.
41c594ab 1499
59d6ab86
RB
1500config MIPS_MT_SMTC
1501 bool "SMTC: Use all TCs on all VPEs for SMP"
1502 depends on CPU_MIPS32_R2
1503 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1504 depends on SYS_SUPPORTS_MULTITHREADING
1505 select CPU_MIPSR2_IRQ_VI
d725cf38 1506 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1507 select MIPS_MT
130e2fb7 1508 select NR_CPUS_DEFAULT_8
340ee4b9 1509 select SMP
73b76c78 1510 select SYS_SUPPORTS_SMP
87353d8a 1511 select SMP_UP
f41ae0b2 1512 help
59d6ab86
RB
1513 This is a kernel model which is known a SMTC or lately has been
1514 marketesed into SMVP.
340ee4b9 1515
340ee4b9
RB
1516endchoice
1517
f41ae0b2
RB
1518config MIPS_MT
1519 bool
1520
0ab7aefc
RB
1521config SCHED_SMT
1522 bool "SMT (multithreading) scheduler support"
1523 depends on SYS_SUPPORTS_SCHED_SMT
1524 default n
1525 help
1526 SMT scheduler support improves the CPU scheduler's decision making
1527 when dealing with MIPS MT enabled cores at a cost of slightly
1528 increased overhead in some places. If unsure say N here.
1529
1530config SYS_SUPPORTS_SCHED_SMT
1531 bool
1532
1533
f41ae0b2
RB
1534config SYS_SUPPORTS_MULTITHREADING
1535 bool
1536
f088fc84
RB
1537config MIPS_MT_FPAFF
1538 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1539 default y
07cc0c9e
RB
1540 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1541
1542config MIPS_VPE_LOADER
1543 bool "VPE loader support."
1544 depends on SYS_SUPPORTS_MULTITHREADING
1545 select CPU_MIPSR2_IRQ_VI
1546 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1547 select MIPS_MT
1548 help
1549 Includes a loader for loading an elf relocatable object
1550 onto another VPE and running it.
f088fc84 1551
0db34215
KK
1552config MIPS_MT_SMTC_IM_BACKSTOP
1553 bool "Use per-TC register bits as backstop for inhibited IM bits"
1554 depends on MIPS_MT_SMTC
8531a35e 1555 default n
0db34215
KK
1556 help
1557 To support multiple TC microthreads acting as "CPUs" within
1558 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1559 during interrupt handling. To support legacy drivers and interrupt
1560 controller management code, SMTC has a "backstop" to track and
1561 if necessary restore the interrupt mask. This has some performance
8531a35e 1562 impact on interrupt service overhead.
0db34215 1563
f571eff0
KK
1564config MIPS_MT_SMTC_IRQAFF
1565 bool "Support IRQ affinity API"
1566 depends on MIPS_MT_SMTC
1567 default n
1568 help
1569 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1570 for SMTC Linux kernel. Requires platform support, of which
1571 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1572 platform code. Adds some overhead to interrupt dispatch, and
1573 should be used only if you know what you are doing.
f571eff0 1574
e01402b1
RB
1575config MIPS_VPE_LOADER_TOM
1576 bool "Load VPE program into memory hidden from linux"
1577 depends on MIPS_VPE_LOADER
1578 default y
1579 help
1580 The loader can use memory that is present but has been hidden from
1581 Linux using the kernel command line option "mem=xxMB". It's up to
1582 you to ensure the amount you put in the option and the space your
1583 program requires is less or equal to the amount physically present.
1584
1585# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1586config MIPS_VPE_APSP_API
5e83d430
RB
1587 bool "Enable support for AP/SP API (RTLX)"
1588 depends on MIPS_VPE_LOADER
1589 help
e01402b1 1590
2600990e
RB
1591config MIPS_APSP_KSPD
1592 bool "Enable KSPD"
1593 depends on MIPS_VPE_APSP_API
1594 default y
1595 help
1596 KSPD is a kernel daemon that accepts syscall requests from the SP
1597 side, actions them and returns the results. It also handles the
1598 "exit" syscall notifying other kernel modules the SP program is
1599 exiting. You probably want to say yes here.
1600
4a16ff4c
RB
1601config MIPS_CMP
1602 bool "MIPS CMP framework support"
1603 depends on SYS_SUPPORTS_MIPS_CMP
1604 select SYNC_R4K if BROKEN
1605 select SYS_SUPPORTS_SMP
1606 select SYS_SUPPORTS_SCHED_SMT if SMP
1607 select WEAK_ORDERING
1608 default n
1609 help
1610 This is a placeholder option for the GCMP work. It will need to
1611 be handled differently...
1612
1da177e4
LT
1613config SB1_PASS_1_WORKAROUNDS
1614 bool
1615 depends on CPU_SB1_PASS_1
1616 default y
1617
1618config SB1_PASS_2_WORKAROUNDS
1619 bool
1620 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1621 default y
1622
1623config SB1_PASS_2_1_WORKAROUNDS
1624 bool
1625 depends on CPU_SB1 && CPU_SB1_PASS_2
1626 default y
1627
1628config 64BIT_PHYS_ADDR
d806cb2b 1629 bool
1da177e4 1630
1da177e4 1631config CPU_HAS_LLSC
f7062ddb 1632 bool
1da177e4 1633
9693a853
FBH
1634config CPU_HAS_SMARTMIPS
1635 depends on SYS_SUPPORTS_SMARTMIPS
1636 bool "Support for the SmartMIPS ASE"
1637 help
1638 SmartMIPS is a extension of the MIPS32 architecture aimed at
1639 increased security at both hardware and software level for
1640 smartcards. Enabling this option will allow proper use of the
1641 SmartMIPS instructions by Linux applications. However a kernel with
1642 this option will not work on a MIPS core without SmartMIPS core. If
1643 you don't know you probably don't have SmartMIPS and should say N
1644 here.
1645
1da177e4 1646config CPU_HAS_WB
f7062ddb 1647 bool
e01402b1 1648
f41ae0b2
RB
1649#
1650# Vectored interrupt mode is an R2 feature
1651#
e01402b1 1652config CPU_MIPSR2_IRQ_VI
f41ae0b2 1653 bool
e01402b1 1654
f41ae0b2
RB
1655#
1656# Extended interrupt mode is an R2 feature
1657#
e01402b1 1658config CPU_MIPSR2_IRQ_EI
f41ae0b2 1659 bool
e01402b1 1660
1da177e4
LT
1661config CPU_HAS_SYNC
1662 bool
1663 depends on !CPU_R3000
1664 default y
1665
ea580401
RB
1666config GENERIC_CLOCKEVENTS_BROADCAST
1667 bool
1668
20d60d99
MR
1669#
1670# CPU non-features
1671#
1672config CPU_DADDI_WORKAROUNDS
1673 bool
1674
1675config CPU_R4000_WORKAROUNDS
1676 bool
1677 select CPU_R4400_WORKAROUNDS
1678
1679config CPU_R4400_WORKAROUNDS
1680 bool
1681
797798c1
RB
1682#
1683# Use the generic interrupt handling code in kernel/irq/:
1684#
1685config GENERIC_HARDIRQS
1686 bool
1687 default y
1688
1689config GENERIC_IRQ_PROBE
1690 bool
1691 default y
1692
0d7012a9 1693config IRQ_PER_CPU
0d7012a9 1694 bool
0d7012a9 1695
1da177e4
LT
1696#
1697# - Highmem only makes sense for the 32-bit kernel.
1698# - The current highmem code will only work properly on physically indexed
1699# caches such as R3000, SB1, R7000 or those that look like they're virtually
1700# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1701# moment we protect the user and offer the highmem option only on machines
1702# where it's known to be safe. This will not offer highmem on a few systems
1703# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1704# indexed CPUs but we're playing safe.
797798c1
RB
1705# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1706# know they might have memory configurations that could make use of highmem
1707# support.
1da177e4
LT
1708#
1709config HIGHMEM
1710 bool "High Memory Support"
797798c1
RB
1711 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1712
1713config CPU_SUPPORTS_HIGHMEM
1714 bool
1715
1716config SYS_SUPPORTS_HIGHMEM
1717 bool
1da177e4 1718
9693a853
FBH
1719config SYS_SUPPORTS_SMARTMIPS
1720 bool
1721
b4819b59
YY
1722config ARCH_FLATMEM_ENABLE
1723 def_bool y
1724 depends on !NUMA
1725
d8cb4e11
RB
1726config ARCH_DISCONTIGMEM_ENABLE
1727 bool
1728 default y if SGI_IP27
1729 help
3dde6ad8 1730 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1731 for architectures which are either NUMA (Non-Uniform Memory Access)
1732 or have huge holes in the physical address space for other reasons.
1733 See <file:Documentation/vm/numa> for more.
1734
cce335ae
RB
1735config ARCH_POPULATES_NODE_MAP
1736 def_bool y
1737
31473747
AN
1738config ARCH_SPARSEMEM_ENABLE
1739 bool
7de58fab 1740 select SPARSEMEM_STATIC
31473747 1741
d8cb4e11
RB
1742config NUMA
1743 bool "NUMA Support"
1744 depends on SYS_SUPPORTS_NUMA
1745 help
1746 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1747 Access). This option improves performance on systems with more
1748 than two nodes; on two node systems it is generally better to
1749 leave it disabled; on single node systems disable this option
1750 disabled.
1751
1752config SYS_SUPPORTS_NUMA
1753 bool
1754
c80d79d7
YG
1755config NODES_SHIFT
1756 int
1757 default "6"
1758 depends on NEED_MULTIPLE_NODES
1759
b4819b59
YY
1760source "mm/Kconfig"
1761
1da177e4
LT
1762config SMP
1763 bool "Multi-Processing support"
e73ea273 1764 depends on SYS_SUPPORTS_SMP
b4b30a5a 1765 select IRQ_PER_CPU
2f304c0a 1766 select USE_GENERIC_SMP_HELPERS
e73ea273 1767 help
1da177e4
LT
1768 This enables support for systems with more than one CPU. If you have
1769 a system with only one CPU, like most personal computers, say N. If
1770 you have a system with more than one CPU, say Y.
1771
1772 If you say N here, the kernel will run on single and multiprocessor
1773 machines, but will use only one CPU of a multiprocessor machine. If
1774 you say Y here, the kernel will run on many, but not all,
1775 singleprocessor machines. On a singleprocessor machine, the kernel
1776 will run faster if you say N here.
1777
1778 People using multiprocessor machines who say Y here should also say
1779 Y to "Enhanced Real Time Clock Support", below.
1780
03502faa
AB
1781 See also the SMP-HOWTO available at
1782 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1783
1784 If you don't know what to do here, say N.
1785
87353d8a
RB
1786config SMP_UP
1787 bool
1788
4a16ff4c
RB
1789config SYS_SUPPORTS_MIPS_CMP
1790 bool
1791
e73ea273
RB
1792config SYS_SUPPORTS_SMP
1793 bool
1794
72ede9b1
AN
1795config NR_CPUS_DEFAULT_1
1796 bool
1797
130e2fb7
RB
1798config NR_CPUS_DEFAULT_2
1799 bool
1800
1801config NR_CPUS_DEFAULT_4
1802 bool
1803
1804config NR_CPUS_DEFAULT_8
1805 bool
1806
1807config NR_CPUS_DEFAULT_16
1808 bool
1809
1810config NR_CPUS_DEFAULT_32
1811 bool
1812
1813config NR_CPUS_DEFAULT_64
1814 bool
1815
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LT
1816config NR_CPUS
1817 int "Maximum number of CPUs (2-64)"
72ede9b1 1818 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1819 depends on SMP
72ede9b1 1820 default "1" if NR_CPUS_DEFAULT_1
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RB
1821 default "2" if NR_CPUS_DEFAULT_2
1822 default "4" if NR_CPUS_DEFAULT_4
1823 default "8" if NR_CPUS_DEFAULT_8
1824 default "16" if NR_CPUS_DEFAULT_16
1825 default "32" if NR_CPUS_DEFAULT_32
1826 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
1827 help
1828 This allows you to specify the maximum number of CPUs which this
1829 kernel will support. The maximum supported value is 32 for 32-bit
1830 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1831 sense is 1 for Qemu (useful only for kernel debugging purposes)
1832 and 2 for all others.
1da177e4
LT
1833
1834 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1835 approximately eight kilobytes to the kernel image. For best
1836 performance should round up your number of processors to the next
1837 power of two.
1da177e4 1838
c4eee283
AN
1839source "kernel/time/Kconfig"
1840
1723b4a3
AN
1841#
1842# Timer Interrupt Frequency Configuration
1843#
1844
1845choice
1846 prompt "Timer frequency"
1847 default HZ_250
1848 help
1849 Allows the configuration of the timer frequency.
1850
1851 config HZ_48
0f873585 1852 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
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AN
1853
1854 config HZ_100
1855 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1856
1857 config HZ_128
1858 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1859
1860 config HZ_250
1861 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1862
1863 config HZ_256
1864 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1865
1866 config HZ_1000
1867 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1868
1869 config HZ_1024
1870 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1871
1872endchoice
1873
1874config SYS_SUPPORTS_48HZ
1875 bool
1876
1877config SYS_SUPPORTS_100HZ
1878 bool
1879
1880config SYS_SUPPORTS_128HZ
1881 bool
1882
1883config SYS_SUPPORTS_250HZ
1884 bool
1885
1886config SYS_SUPPORTS_256HZ
1887 bool
1888
1889config SYS_SUPPORTS_1000HZ
1890 bool
1891
1892config SYS_SUPPORTS_1024HZ
1893 bool
1894
1895config SYS_SUPPORTS_ARBIT_HZ
1896 bool
1897 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1898 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1899 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1900 !SYS_SUPPORTS_1024HZ
1901
1902config HZ
1903 int
1904 default 48 if HZ_48
1905 default 100 if HZ_100
1906 default 128 if HZ_128
1907 default 250 if HZ_250
1908 default 256 if HZ_256
1909 default 1000 if HZ_1000
1910 default 1024 if HZ_1024
1911
e80de850 1912source "kernel/Kconfig.preempt"
1da177e4 1913
1da177e4
LT
1914config MIPS_INSANE_LARGE
1915 bool "Support for large 64-bit configurations"
875d43e7 1916 depends on CPU_R10000 && 64BIT
1da177e4
LT
1917 help
1918 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1919 previous 64-bit processors which only supported 40 bit / 1TB. If you
1920 need processes of more than 1TB virtual address space, say Y here.
1921 This will result in additional memory usage, so it is not
1922 recommended for normal users.
1923
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AN
1924config KEXEC
1925 bool "Kexec system call (EXPERIMENTAL)"
1926 depends on EXPERIMENTAL
1927 help
1928 kexec is a system call that implements the ability to shutdown your
1929 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 1930 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
1931 you can start any kernel with it, not just Linux.
1932
01dd2fbf 1933 The name comes from the similarity to the exec system call.
ea6e942b
AN
1934
1935 It is an ongoing process to be certain the hardware in a machine
1936 is properly shutdown, so do not be surprised if this code does not
1937 initially work for you. It may help to enable device hotplugging
1938 support. As of this writing the exact hardware interface is
1939 strongly in flux, so no good recommendation can be made.
1940
1941config SECCOMP
1942 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 1943 depends on PROC_FS
ea6e942b
AN
1944 default y
1945 help
1946 This kernel feature is useful for number crunching applications
1947 that may need to compute untrusted bytecode during their
1948 execution. By using pipes or other transports made available to
1949 the process as file descriptors supporting the read/write
1950 syscalls, it's possible to isolate those applications in
1951 their own address space using seccomp. Once seccomp is
1952 enabled via /proc/<pid>/seccomp, it cannot be disabled
1953 and the task is only allowed to execute a few safe syscalls
1954 defined by each seccomp mode.
1955
1956 If unsure, say Y. Only embedded should say N here.
1957
5e83d430
RB
1958endmenu
1959
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LT
1960config RWSEM_GENERIC_SPINLOCK
1961 bool
1962 default y
1963
1df0f0ff
AN
1964config LOCKDEP_SUPPORT
1965 bool
1966 default y
1967
1968config STACKTRACE_SUPPORT
1969 bool
1970 default y
1971
b6c3539b
RB
1972source "init/Kconfig"
1973
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AN
1974config PROBE_INITRD_HEADER
1975 bool "Probe initrd header created by addinitrd"
1976 depends on BLK_DEV_INITRD
1977 help
1978 Probe initrd header at the last page of kernel image.
1979 Say Y here if you are using arch/mips/boot/addinitrd.c to
1980 add initrd or initramfs image to the kernel image.
1981 Otherwise, say N.
1982
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MH
1983source "kernel/Kconfig.freezer"
1984
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LT
1985menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1986
5e83d430
RB
1987config HW_HAS_EISA
1988 bool
1da177e4
LT
1989config HW_HAS_PCI
1990 bool
1991
1992config PCI
1993 bool "Support for PCI controller"
1994 depends on HW_HAS_PCI
abb4ae46 1995 select PCI_DOMAINS
1da177e4
LT
1996 help
1997 Find out whether you have a PCI motherboard. PCI is the name of a
1998 bus system, i.e. the way the CPU talks to the other stuff inside
1999 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2000 say Y, otherwise N.
2001
1da177e4
LT
2002config PCI_DOMAINS
2003 bool
1da177e4
LT
2004
2005source "drivers/pci/Kconfig"
2006
2007#
2008# ISA support is now enabled via select. Too many systems still have the one
2009# or other ISA chip on the board that users don't know about so don't expect
2010# users to choose the right thing ...
2011#
2012config ISA
2013 bool
2014
2015config EISA
2016 bool "EISA support"
5e83d430 2017 depends on HW_HAS_EISA
1da177e4 2018 select ISA
aa414dff 2019 select GENERIC_ISA_DMA
1da177e4
LT
2020 ---help---
2021 The Extended Industry Standard Architecture (EISA) bus was
2022 developed as an open alternative to the IBM MicroChannel bus.
2023
2024 The EISA bus provided some of the features of the IBM MicroChannel
2025 bus while maintaining backward compatibility with cards made for
2026 the older ISA bus. The EISA bus saw limited use between 1988 and
2027 1995 when it was made obsolete by the PCI bus.
2028
2029 Say Y here if you are building a kernel for an EISA-based machine.
2030
2031 Otherwise, say N.
2032
2033source "drivers/eisa/Kconfig"
2034
2035config TC
2036 bool "TURBOchannel support"
2037 depends on MACH_DECSTATION
2038 help
2039 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2040 processors. Documentation on writing device drivers for TurboChannel
2041 is available at:
2042 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2043
2044#config ACCESSBUS
2045# bool "Access.Bus support"
2046# depends on TC
2047
2048config MMU
2049 bool
2050 default y
2051
d865bea4
RB
2052config I8253
2053 bool
2054
cce335ae
RB
2055config ZONE_DMA32
2056 bool
2057
1da177e4
LT
2058source "drivers/pcmcia/Kconfig"
2059
2060source "drivers/pci/hotplug/Kconfig"
2061
2062endmenu
2063
2064menu "Executable file formats"
2065
2066source "fs/Kconfig.binfmt"
2067
2068config TRAD_SIGNALS
2069 bool
1da177e4 2070
1da177e4
LT
2071config MIPS32_COMPAT
2072 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2073 depends on 64BIT
1da177e4
LT
2074 help
2075 Select this option if you want Linux/MIPS 32-bit binary
2076 compatibility. Since all software available for Linux/MIPS is
2077 currently 32-bit you should say Y here.
2078
2079config COMPAT
2080 bool
2081 depends on MIPS32_COMPAT
2082 default y
2083
05e43966
AN
2084config SYSVIPC_COMPAT
2085 bool
2086 depends on COMPAT && SYSVIPC
2087 default y
2088
1da177e4
LT
2089config MIPS32_O32
2090 bool "Kernel support for o32 binaries"
2091 depends on MIPS32_COMPAT
2092 help
2093 Select this option if you want to run o32 binaries. These are pure
2094 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2095 existing binaries are in this format.
2096
2097 If unsure, say Y.
2098
2099config MIPS32_N32
2100 bool "Kernel support for n32 binaries"
2101 depends on MIPS32_COMPAT
2102 help
2103 Select this option if you want to run n32 binaries. These are
2104 64-bit binaries using 32-bit quantities for addressing and certain
2105 data that would normally be 64-bit. They are used in special
2106 cases.
2107
2108 If unsure, say N.
2109
2110config BINFMT_ELF32
2111 bool
2112 default y if MIPS32_O32 || MIPS32_N32
2113
2116245e
RB
2114endmenu
2115
2116menu "Power management options"
2117
f4cb5700
JB
2118config ARCH_SUSPEND_POSSIBLE
2119 def_bool y
2120 depends on !SMP
2121
2116245e 2122source "kernel/power/Kconfig"
952fa954 2123
1da177e4
LT
2124endmenu
2125
d5950b43
SR
2126source "net/Kconfig"
2127
1da177e4
LT
2128source "drivers/Kconfig"
2129
2130source "fs/Kconfig"
2131
2132source "arch/mips/Kconfig.debug"
2133
2134source "security/Kconfig"
2135
2136source "crypto/Kconfig"
2137
2138source "lib/Kconfig"