gpiolib: allow user-selection
[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
1da177e4
LT
6 # Horrible source of confusion. Die, die, die ...
7 select EMBEDDED
90b02340 8 select RTC_LIB
1da177e4 9
875d43e7
RB
10mainmenu "Linux/MIPS Kernel Configuration"
11
1da177e4
LT
12menu "Machine selection"
13
5ac6da66
CL
14config ZONE_DMA
15 bool
5ac6da66 16
5e83d430
RB
17choice
18 prompt "System type"
19 default SGI_IP22
1da177e4 20
c3543e25
YY
21config MACH_ALCHEMY
22 bool "Alchemy processor based machines"
1da177e4 23
35189fad 24config BASLER_EXCITE
be91589e 25 bool "Basler eXcite smart camera"
42f77542 26 select CEVT_R4K
940f6b48 27 select CSRC_R4K
35189fad
RB
28 select DMA_COHERENT
29 select HW_HAS_PCI
30 select IRQ_CPU
31 select IRQ_CPU_RM7K
32 select IRQ_CPU_RM9K
663c3d90 33 select MIPS_RM9122
35189fad
RB
34 select SYS_HAS_CPU_RM9000
35 select SYS_SUPPORTS_32BIT_KERNEL
35189fad 36 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 37 select SYS_SUPPORTS_KGDB
35189fad
RB
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
AJ
54 select SSB_DRIVER_EXTIF
55 select SSB_PCICORE_HOSTMODE if PCI
1c0c13eb 56 select GENERIC_GPIO
25e5fb97
AJ
57 select SYS_HAS_EARLY_PRINTK
58 select CFE
1c0c13eb
AJ
59 help
60 Support for BCM47XX based boards
61
1da177e4 62config MIPS_COBALT
3fa986fa 63 bool "Cobalt Server"
42f77542 64 select CEVT_R4K
940f6b48 65 select CSRC_R4K
1097c6ac 66 select CEVT_GT641XX
1da177e4
LT
67 select DMA_NONCOHERENT
68 select HW_HAS_PCI
d865bea4 69 select I8253
1da177e4
LT
70 select I8259
71 select IRQ_CPU
d5ab1a69 72 select IRQ_GT641XX
252161ec 73 select PCI_GT64XXX_PCI0
7cf8053b 74 select SYS_HAS_CPU_NEVADA
0a22e0d4 75 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 76 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 77 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 78 select SYS_SUPPORTS_LITTLE_ENDIAN
9fd32cfb 79 select GENERIC_HARDIRQS_NO__DO_IRQ
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
9fd32cfb 134 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4 135 help
5e83d430
RB
136 This a family of machines based on the MIPS R4030 chipset which was
137 used by several vendors to build RISC/os and Windows NT workstations.
138 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
139 Olivetti M700-10 workstations.
140
1f21d2bd
BM
141config LASAT
142 bool "LASAT Networks platforms"
42f77542 143 select CEVT_R4K
940f6b48 144 select CSRC_R4K
1f21d2bd
BM
145 select DMA_NONCOHERENT
146 select SYS_HAS_EARLY_PRINTK
147 select HW_HAS_PCI
a5ccfe5c 148 select IRQ_CPU
1f21d2bd
BM
149 select PCI_GT64XXX_PCI0
150 select MIPS_NILE4
151 select R5000_CPU_SCACHE
152 select SYS_HAS_CPU_R5000
153 select SYS_SUPPORTS_32BIT_KERNEL
154 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
155 select SYS_SUPPORTS_LITTLE_ENDIAN
156 select GENERIC_HARDIRQS_NO__DO_IRQ
157
ade299d8
YY
158config LEMOTE_FULONG
159 bool "Lemote Fulong mini-PC"
160 select ARCH_SPARSEMEM_ENABLE
42f77542 161 select CEVT_R4K
940f6b48 162 select CSRC_R4K
ade299d8
YY
163 select SYS_HAS_CPU_LOONGSON2
164 select DMA_NONCOHERENT
165 select BOOT_ELF32
166 select BOARD_SCACHE
167 select HAVE_STD_PC_SERIAL_PORT
168 select HW_HAS_PCI
169 select I8259
170 select ISA
171 select IRQ_CPU
172 select SYS_SUPPORTS_32BIT_KERNEL
173 select SYS_SUPPORTS_64BIT_KERNEL
174 select SYS_SUPPORTS_LITTLE_ENDIAN
175 select SYS_SUPPORTS_HIGHMEM
176 select SYS_HAS_EARLY_PRINTK
177 select GENERIC_HARDIRQS_NO__DO_IRQ
23dd6d35 178 select GENERIC_ISA_DMA_SUPPORT_BROKEN
ade299d8
YY
179 select CPU_HAS_WB
180 help
181 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
182 an FPGA northbridge
183
1da177e4 184config MIPS_MALTA
3fa986fa 185 bool "MIPS Malta board"
61ed242d 186 select ARCH_MAY_HAVE_PC_FDC
1da177e4 187 select BOOT_ELF32
fa71c960 188 select BOOT_RAW
42f77542 189 select CEVT_R4K
940f6b48 190 select CSRC_R4K
1da177e4
LT
191 select DMA_NONCOHERENT
192 select GENERIC_ISA_DMA
aa414dff 193 select IRQ_CPU
39b8d525 194 select IRQ_GIC
1da177e4 195 select HW_HAS_PCI
d865bea4 196 select I8253
1da177e4 197 select I8259
5e83d430
RB
198 select MIPS_BOARDS_GEN
199 select MIPS_BONITO64
9318c51a 200 select MIPS_CPU_SCACHE
252161ec 201 select PCI_GT64XXX_PCI0
5e83d430 202 select MIPS_MSC
1da177e4 203 select SWAP_IO_SPACE
7cf8053b
RB
204 select SYS_HAS_CPU_MIPS32_R1
205 select SYS_HAS_CPU_MIPS32_R2
206 select SYS_HAS_CPU_MIPS64_R1
207 select SYS_HAS_CPU_NEVADA
208 select SYS_HAS_CPU_RM7000
36a88530 209 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
210 select SYS_SUPPORTS_32BIT_KERNEL
211 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
212 select SYS_SUPPORTS_BIG_ENDIAN
213 select SYS_SUPPORTS_LITTLE_ENDIAN
f41ae0b2 214 select SYS_SUPPORTS_MULTITHREADING
9693a853 215 select SYS_SUPPORTS_SMARTMIPS
1da177e4 216 help
f638d197 217 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
218 board.
219
5e83d430 220config MIPS_SIM
3fa986fa 221 bool 'MIPS simulator (MIPSsim)'
42f77542 222 select CEVT_R4K
940f6b48 223 select CSRC_R4K
1da177e4 224 select DMA_NONCOHERENT
36a88530 225 select SYS_HAS_EARLY_PRINTK
1da177e4 226 select IRQ_CPU
9267a30d 227 select BOOT_RAW
7cf8053b
RB
228 select SYS_HAS_CPU_MIPS32_R1
229 select SYS_HAS_CPU_MIPS32_R2
36a88530 230 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 231 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 232 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 233 select SYS_SUPPORTS_MULTITHREADING
5e83d430 234 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 235 help
5e83d430
RB
236 This option enables support for MIPS Technologies MIPSsim software
237 emulator.
1da177e4 238
ade299d8
YY
239config MARKEINS
240 bool "NEC EMMA2RH Mark-eins"
42f77542 241 select CEVT_R4K
940f6b48 242 select CSRC_R4K
ade299d8
YY
243 select DMA_NONCOHERENT
244 select HW_HAS_PCI
245 select IRQ_CPU
246 select SWAP_IO_SPACE
247 select SYS_SUPPORTS_32BIT_KERNEL
248 select SYS_SUPPORTS_BIG_ENDIAN
249 select SYS_SUPPORTS_LITTLE_ENDIAN
250 select SYS_HAS_CPU_R5000
251 help
252 This enables support for the R5432-based NEC Mark-eins
253 boards with R5500 CPU.
254
5e83d430 255config MACH_VR41XX
74142d65 256 bool "NEC VR4100 series based machines"
42f77542 257 select CEVT_R4K
940f6b48 258 select CSRC_R4K
7cf8053b 259 select SYS_HAS_CPU_VR41XX
9fd32cfb 260 select GENERIC_HARDIRQS_NO__DO_IRQ
5e83d430 261
ade299d8 262config PNX8550_JBS
a92b0588 263 bool "NXP PNX8550 based JBS board"
ade299d8
YY
264 select PNX8550
265 select SYS_SUPPORTS_LITTLE_ENDIAN
266
267config PNX8550_STB810
a92b0588 268 bool "NXP PNX8550 based STB810 board"
ade299d8
YY
269 select PNX8550
270 select SYS_SUPPORTS_LITTLE_ENDIAN
271
9267a30d
MSJ
272config PMC_MSP
273 bool "PMC-Sierra MSP chipsets"
274 depends on EXPERIMENTAL
275 select DMA_NONCOHERENT
276 select SWAP_IO_SPACE
277 select NO_EXCEPT_FILL
278 select BOOT_RAW
279 select SYS_HAS_CPU_MIPS32_R1
280 select SYS_HAS_CPU_MIPS32_R2
281 select SYS_SUPPORTS_32BIT_KERNEL
282 select SYS_SUPPORTS_BIG_ENDIAN
283 select SYS_SUPPORTS_KGDB
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
cc801077 309 select SYS_SUPPORTS_KGDB
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_DS1286
331 select SGI_HAS_I8042
332 select SGI_HAS_INDYDOG
36e5c21d 333 select SGI_HAS_HAL2
e2defae5
TB
334 select SGI_HAS_SEEQ
335 select SGI_HAS_WD93
336 select SGI_HAS_ZILOG
1da177e4 337 select SWAP_IO_SPACE
7cf8053b
RB
338 select SYS_HAS_CPU_R4X00
339 select SYS_HAS_CPU_R5000
36a88530 340 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
341 select SYS_SUPPORTS_32BIT_KERNEL
342 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 343 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
344 help
345 This are the SGI Indy, Challenge S and Indigo2, as well as certain
346 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
347 that runs on these, say Y here.
348
349config SGI_IP27
3fa986fa 350 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
351 select ARC
352 select ARC64
5e83d430 353 select BOOT_ELF64
e2defae5 354 select DEFAULT_SGI_PARTITION
1da177e4 355 select DMA_IP27
36a88530 356 select SYS_HAS_EARLY_PRINTK
1da177e4 357 select HW_HAS_PCI
130e2fb7 358 select NR_CPUS_DEFAULT_64
7cf8053b 359 select SYS_HAS_CPU_R10000
ed5ba2fb 360 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 361 select SYS_SUPPORTS_BIG_ENDIAN
cc801077 362 select SYS_SUPPORTS_KGDB
d8cb4e11 363 select SYS_SUPPORTS_NUMA
1a5c5de1 364 select SYS_SUPPORTS_SMP
e77c232c 365 select GENERIC_HARDIRQS_NO__DO_IRQ
1da177e4
LT
366 help
367 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
368 workstations. To compile a Linux kernel that runs on these, say Y
369 here.
370
e2defae5
TB
371config SGI_IP28
372 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
373 depends on EXPERIMENTAL
374 select ARC
375 select ARC64
376 select BOOT_ELF64
377 select CEVT_R4K
378 select CSRC_R4K
379 select DEFAULT_SGI_PARTITION
380 select DMA_NONCOHERENT
381 select GENERIC_ISA_DMA_SUPPORT_BROKEN
382 select IRQ_CPU
383 select HW_HAS_EISA
384 select I8253
385 select I8259
386 select SGI_HAS_DS1286
387 select SGI_HAS_I8042
388 select SGI_HAS_INDYDOG
5b438c44 389 select SGI_HAS_HAL2
e2defae5
TB
390 select SGI_HAS_SEEQ
391 select SGI_HAS_WD93
392 select SGI_HAS_ZILOG
393 select SWAP_IO_SPACE
394 select SYS_HAS_CPU_R10000
395 select SYS_HAS_EARLY_PRINTK
396 select SYS_SUPPORTS_64BIT_KERNEL
397 select SYS_SUPPORTS_BIG_ENDIAN
398 help
399 This is the SGI Indigo2 with R10000 processor. To compile a Linux
400 kernel that runs on these, say Y here.
401
1da177e4 402config SGI_IP32
cfd2afc0 403 bool "SGI IP32 (O2)"
1da177e4
LT
404 select ARC
405 select ARC32
406 select BOOT_ELF32
42f77542 407 select CEVT_R4K
940f6b48 408 select CSRC_R4K
1da177e4
LT
409 select DMA_NONCOHERENT
410 select HW_HAS_PCI
dd67b155 411 select IRQ_CPU
1da177e4
LT
412 select R5000_CPU_SCACHE
413 select RM7000_CPU_SCACHE
7cf8053b
RB
414 select SYS_HAS_CPU_R5000
415 select SYS_HAS_CPU_R10000 if BROKEN
416 select SYS_HAS_CPU_RM7000
dd2f18fe 417 select SYS_HAS_CPU_NEVADA
ed5ba2fb 418 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 419 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 420 help
5e83d430 421 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 422
ade299d8
YY
423config SIBYTE_CRHINE
424 bool "Sibyte BCM91120C-CRhine"
425 depends on EXPERIMENTAL
9a6dcea1
AI
426 select BOOT_ELF32
427 select DMA_COHERENT
ade299d8 428 select SIBYTE_BCM1120
9a6dcea1 429 select SWAP_IO_SPACE
7cf8053b 430 select SYS_HAS_CPU_SB1
9a6dcea1
AI
431 select SYS_SUPPORTS_BIG_ENDIAN
432 select SYS_SUPPORTS_LITTLE_ENDIAN
433
ade299d8
YY
434config SIBYTE_CARMEL
435 bool "Sibyte BCM91120x-Carmel"
436 depends on EXPERIMENTAL
5e83d430 437 select BOOT_ELF32
1da177e4 438 select DMA_COHERENT
ade299d8 439 select SIBYTE_BCM1120
5e83d430 440 select SWAP_IO_SPACE
7cf8053b 441 select SYS_HAS_CPU_SB1
81731f79 442 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 443 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 444
ade299d8
YY
445config SIBYTE_CRHONE
446 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
447 depends on EXPERIMENTAL
448 select BOOT_ELF32
449 select DMA_COHERENT
ade299d8 450 select SIBYTE_BCM1125
5e83d430 451 select SWAP_IO_SPACE
7cf8053b 452 select SYS_HAS_CPU_SB1
5e83d430 453 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 454 select SYS_SUPPORTS_HIGHMEM
5e83d430 455 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 456
5e83d430 457config SIBYTE_RHONE
3fa986fa 458 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
459 depends on EXPERIMENTAL
460 select BOOT_ELF32
461 select DMA_COHERENT
462 select SIBYTE_BCM1125H
463 select SWAP_IO_SPACE
7cf8053b 464 select SYS_HAS_CPU_SB1
5e83d430
RB
465 select SYS_SUPPORTS_BIG_ENDIAN
466 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 467
ade299d8
YY
468config SIBYTE_SWARM
469 bool "Sibyte BCM91250A-SWARM"
5e83d430 470 select BOOT_ELF32
26a940e2 471 select DMA_COHERENT
ade299d8
YY
472 select NR_CPUS_DEFAULT_2
473 select SIBYTE_SB1250
5e83d430 474 select SWAP_IO_SPACE
7cf8053b 475 select SYS_HAS_CPU_SB1
5e83d430 476 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8
YY
477 select SYS_SUPPORTS_HIGHMEM
478 select SYS_SUPPORTS_KGDB
e3ad1c23 479 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 480 select ZONE_DMA32 if 64BIT
e3ad1c23 481
ade299d8
YY
482config SIBYTE_LITTLESUR
483 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
484 depends on EXPERIMENTAL
485 select BOOT_ELF32
486 select DMA_COHERENT
130e2fb7 487 select NR_CPUS_DEFAULT_2
5e83d430
RB
488 select SIBYTE_SB1250
489 select SWAP_IO_SPACE
7cf8053b 490 select SYS_HAS_CPU_SB1
5e83d430
RB
491 select SYS_SUPPORTS_BIG_ENDIAN
492 select SYS_SUPPORTS_HIGHMEM
493 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 494
ade299d8
YY
495config SIBYTE_SENTOSA
496 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
497 depends on EXPERIMENTAL
498 select BOOT_ELF32
499 select DMA_COHERENT
130e2fb7 500 select NR_CPUS_DEFAULT_2
5e83d430
RB
501 select SIBYTE_SB1250
502 select SWAP_IO_SPACE
7cf8053b 503 select SYS_HAS_CPU_SB1
5e83d430 504 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 505 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 506
ade299d8
YY
507config SIBYTE_BIGSUR
508 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
509 select BOOT_ELF32
510 select DMA_COHERENT
ade299d8 511 select NR_CPUS_DEFAULT_4
ade299d8 512 select SIBYTE_BCM1x80
5e83d430 513 select SWAP_IO_SPACE
7cf8053b 514 select SYS_HAS_CPU_SB1
5e83d430 515 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 516 select SYS_SUPPORTS_HIGHMEM
5e83d430 517 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 518 select ZONE_DMA32 if 64BIT
1da177e4 519
14b36af4
TB
520config SNI_RM
521 bool "SNI RM200/300/400"
4a0312fc
TB
522 select ARC if CPU_LITTLE_ENDIAN
523 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 524 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 525 select ARCH_MAY_HAVE_PC_FDC
1da177e4 526 select BOOT_ELF32
42f77542 527 select CEVT_R4K
940f6b48 528 select CSRC_R4K
e2defae5 529 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
530 select DMA_NONCOHERENT
531 select GENERIC_ISA_DMA
5e83d430 532 select HW_HAS_EISA
1da177e4 533 select HW_HAS_PCI
c066a32a 534 select IRQ_CPU
d865bea4 535 select I8253
1da177e4
LT
536 select I8259
537 select ISA
4a0312fc 538 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 539 select SYS_HAS_CPU_R4X00
4a0312fc 540 select SYS_HAS_CPU_R5000
c066a32a 541 select SYS_HAS_CPU_R10000
4a0312fc 542 select R5000_CPU_SCACHE
36a88530 543 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
544 select SYS_SUPPORTS_32BIT_KERNEL
545 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 546 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 547 select SYS_SUPPORTS_HIGHMEM
5e83d430 548 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 549 help
14b36af4
TB
550 The SNI RM200/300/400 are MIPS-based machines manufactured by
551 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
552 Technology and now in turn merged with Fujitsu. Say Y here to
553 support this machine type.
554
edcaf1a6
AN
555config MACH_TX39XX
556 bool "Toshiba TX39 series based machines"
5e83d430 557
edcaf1a6
AN
558config MACH_TX49XX
559 bool "Toshiba TX49 series based machines"
5e83d430 560
73b4390f
RB
561config MIKROTIK_RB532
562 bool "Mikrotik RB532 boards"
563 select CEVT_R4K
564 select CSRC_R4K
565 select DMA_NONCOHERENT
566 select GENERIC_HARDIRQS_NO__DO_IRQ
567 select HW_HAS_PCI
568 select IRQ_CPU
569 select SYS_HAS_CPU_MIPS32_R1
570 select SYS_SUPPORTS_32BIT_KERNEL
571 select SYS_SUPPORTS_LITTLE_ENDIAN
572 select SWAP_IO_SPACE
573 select BOOT_RAW
574 select GENERIC_GPIO
575 help
576 Support the Mikrotik(tm) RouterBoard 532 series,
577 based on the IDT RC32434 SoC.
578
ade299d8
YY
579config WR_PPMC
580 bool "Wind River PPMC board"
42f77542 581 select CEVT_R4K
940f6b48 582 select CSRC_R4K
ade299d8
YY
583 select IRQ_CPU
584 select BOOT_ELF32
585 select DMA_NONCOHERENT
586 select HW_HAS_PCI
587 select PCI_GT64XXX_PCI0
588 select SWAP_IO_SPACE
589 select SYS_HAS_CPU_MIPS32_R1
590 select SYS_HAS_CPU_MIPS32_R2
591 select SYS_HAS_CPU_MIPS64_R1
592 select SYS_HAS_CPU_NEVADA
593 select SYS_HAS_CPU_RM7000
594 select SYS_SUPPORTS_32BIT_KERNEL
595 select SYS_SUPPORTS_64BIT_KERNEL
596 select SYS_SUPPORTS_BIG_ENDIAN
597 select SYS_SUPPORTS_LITTLE_ENDIAN
598 help
599 This enables support for the Wind River MIPS32 4KC PPMC evaluation
600 board, which is based on GT64120 bridge chip.
601
5e83d430 602endchoice
1da177e4 603
c3543e25 604source "arch/mips/au1000/Kconfig"
9c746edb 605source "arch/mips/basler/excite/Kconfig"
5e83d430 606source "arch/mips/jazz/Kconfig"
1f21d2bd 607source "arch/mips/lasat/Kconfig"
5e83d430 608source "arch/mips/pmc-sierra/Kconfig"
29c48699 609source "arch/mips/sgi-ip27/Kconfig"
38b18f72 610source "arch/mips/sibyte/Kconfig"
22b1d707 611source "arch/mips/txx9/Kconfig"
5e83d430 612source "arch/mips/vr41xx/Kconfig"
38b18f72 613
5e83d430
RB
614endmenu
615
95c354fe
NP
616config GENERIC_LOCKBREAK
617 bool
618 default y
619 depends on SMP && PREEMPT
620
1da177e4
LT
621config RWSEM_GENERIC_SPINLOCK
622 bool
623 default y
624
625config RWSEM_XCHGADD_ALGORITHM
626 bool
627
f0d1b0b3
DH
628config ARCH_HAS_ILOG2_U32
629 bool
630 default n
631
632config ARCH_HAS_ILOG2_U64
633 bool
634 default n
635
00a58253
RB
636config ARCH_SUPPORTS_OPROFILE
637 bool
638 default y if !MIPS_MT_SMTC
639
3c9ee7ef
AM
640config GENERIC_FIND_NEXT_BIT
641 bool
642 default y
643
644config GENERIC_HWEIGHT
645 bool
646 default y
647
1da177e4
LT
648config GENERIC_CALIBRATE_DELAY
649 bool
650 default y
651
7bcf7717
RB
652config GENERIC_CLOCKEVENTS
653 bool
654 default y
655
8db02010
RB
656config GENERIC_TIME
657 bool
658 default y
659
f5ff0a28
RB
660config GENERIC_CMOS_UPDATE
661 bool
662 default y
663
1cc89038
AN
664config SCHED_NO_NO_OMIT_FRAME_POINTER
665 bool
666 default y
667
e77c232c
FBH
668config GENERIC_HARDIRQS_NO__DO_IRQ
669 bool
670 default n
671
1da177e4
LT
672#
673# Select some configuration options automatically based on user selections.
674#
675config ARC
676 bool
1da177e4 677
61ed242d
RB
678config ARCH_MAY_HAVE_PC_FDC
679 bool
680
9267a30d
MSJ
681config BOOT_RAW
682 bool
683
217dd11e
RB
684config CEVT_BCM1480
685 bool
686
6457d9fc
YY
687config CEVT_DS1287
688 bool
689
1097c6ac
YY
690config CEVT_GT641XX
691 bool
692
42f77542
RB
693config CEVT_R4K
694 bool
695
217dd11e
RB
696config CEVT_SB1250
697 bool
698
229f773e
AN
699config CEVT_TXX9
700 bool
701
217dd11e
RB
702config CSRC_BCM1480
703 bool
704
4247417d
YY
705config CSRC_IOASIC
706 bool
707
940f6b48
RB
708config CSRC_R4K
709 bool
710
217dd11e
RB
711config CSRC_SB1250
712 bool
713
a9aec7fe
AN
714config GPIO_TXX9
715 select GENERIC_GPIO
7444a72e 716 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
717 bool
718
df78b5c8
AJ
719config CFE
720 bool
721
4ce588cd 722config DMA_COHERENT
1da177e4
LT
723 bool
724
4ce588cd 725config DMA_IP27
1da177e4
LT
726 bool
727
4ce588cd
RB
728config DMA_NONCOHERENT
729 bool
730 select DMA_NEED_PCI_MAP_STATE
731
732config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
733 bool
734
735config EARLY_PRINTK
36a88530
RB
736 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
737 depends on SYS_HAS_EARLY_PRINTK
738 default y
739 help
740 This option enables special console drivers which allow the kernel
741 to print messages very early in the bootup process.
742
743 This is useful for kernel debugging when your machine crashes very
490dcc4d
RD
744 early before the console code is initialized. For normal operation,
745 it is not recommended because it looks ugly on some machines and
746 doesn't cooperate with an X server. You should normally say N here,
36a88530
RB
747 unless you want to debug such a crash.
748
749config SYS_HAS_EARLY_PRINTK
1da177e4 750 bool
1da177e4 751
dbb74540
RB
752config HOTPLUG_CPU
753 bool
754 default n
755
1da177e4
LT
756config I8259
757 bool
1da177e4 758
1da177e4
LT
759config MIPS_BONITO64
760 bool
1da177e4
LT
761
762config MIPS_MSC
763 bool
1da177e4 764
1f21d2bd
BM
765config MIPS_NILE4
766 bool
767
1da177e4
LT
768config MIPS_DISABLE_OBSOLETE_IDE
769 bool
770
39b8d525
RB
771config SYNC_R4K
772 bool
773
d388d685
MR
774config NO_IOPORT
775 def_bool n
776
8313da30
RB
777config GENERIC_ISA_DMA
778 bool
779 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
780
aa414dff
RB
781config GENERIC_ISA_DMA_SUPPORT_BROKEN
782 bool
8313da30 783 select GENERIC_ISA_DMA
aa414dff 784
09663335
YY
785config GENERIC_GPIO
786 bool
787
5e83d430 788#
3cb2fccc 789# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
790# answer,so we try hard to limit the available choices. Also the use of a
791# choice statement should be more obvious to the user.
792#
793choice
794 prompt "Endianess selection"
1da177e4
LT
795 help
796 Some MIPS machines can be configured for either little or big endian
5e83d430 797 byte order. These modes require different kernels and a different
3cb2fccc 798 Linux distribution. In general there is one preferred byteorder for a
5e83d430 799 particular system but some systems are just as commonly used in the
3dde6ad8 800 one or the other endianness.
5e83d430
RB
801
802config CPU_BIG_ENDIAN
803 bool "Big endian"
804 depends on SYS_SUPPORTS_BIG_ENDIAN
805
806config CPU_LITTLE_ENDIAN
807 bool "Little endian"
808 depends on SYS_SUPPORTS_LITTLE_ENDIAN
809 help
810
811endchoice
812
2116245e
RB
813config SYS_SUPPORTS_APM_EMULATION
814 bool
815
5e83d430
RB
816config SYS_SUPPORTS_BIG_ENDIAN
817 bool
818
819config SYS_SUPPORTS_LITTLE_ENDIAN
820 bool
1da177e4
LT
821
822config IRQ_CPU
823 bool
824
825config IRQ_CPU_RM7K
826 bool
827
5e83d430
RB
828config IRQ_CPU_RM9K
829 bool
830
9267a30d
MSJ
831config IRQ_MSP_SLP
832 bool
833
834config IRQ_MSP_CIC
835 bool
836
8420fd00
AN
837config IRQ_TXX9
838 bool
839
d5ab1a69
YY
840config IRQ_GT641XX
841 bool
842
39b8d525
RB
843config IRQ_GIC
844 bool
845
1da177e4
LT
846config MIPS_BOARDS_GEN
847 bool
1da177e4 848
252161ec 849config PCI_GT64XXX_PCI0
1da177e4 850 bool
1da177e4 851
9267a30d
MSJ
852config NO_EXCEPT_FILL
853 bool
854
663c3d90 855config MIPS_RM9122
856 bool
857 select SERIAL_RM9000
663c3d90 858
bdf21b18
PP
859config PNX8550
860 bool
861 select SOC_PNX8550
862
863config SOC_PNX8550
864 bool
bdf21b18
PP
865 select DMA_NONCOHERENT
866 select HW_HAS_PCI
b8c2a77c 867 select SYS_HAS_CPU_MIPS32_R1
36a88530 868 select SYS_HAS_EARLY_PRINTK
7cf8053b 869 select SYS_SUPPORTS_32BIT_KERNEL
e77c232c 870 select GENERIC_HARDIRQS_NO__DO_IRQ
cc801077 871 select SYS_SUPPORTS_KGDB
4ead1681 872 select GENERIC_GPIO
bdf21b18 873
1da177e4
LT
874config SWAP_IO_SPACE
875 bool
876
355c471f 877config EMMA2RH
878 bool
879 depends on MARKEINS
880 default y
881
663c3d90 882config SERIAL_RM9000
883 bool
884
e2defae5
TB
885config SGI_HAS_DS1286
886 bool
887
888config SGI_HAS_INDYDOG
889 bool
890
5b438c44
TB
891config SGI_HAS_HAL2
892 bool
893
e2defae5
TB
894config SGI_HAS_SEEQ
895 bool
896
897config SGI_HAS_WD93
898 bool
899
900config SGI_HAS_ZILOG
901 bool
902
903config SGI_HAS_I8042
904 bool
905
906config DEFAULT_SGI_PARTITION
907 bool
908
5e83d430
RB
909config ARC32
910 bool
911
231a35d3
TB
912config SNIPROM
913 bool
914
1da177e4
LT
915config BOOT_ELF32
916 bool
1da177e4
LT
917
918config MIPS_L1_CACHE_SHIFT
919 int
73b4390f 920 default "4" if MACH_DECSTATION || MIKROTIK_RB532
7e3297dc 921 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
9267a30d 922 default "4" if PMC_MSP4200_EVAL
1da177e4
LT
923 default "5"
924
1da177e4
LT
925config HAVE_STD_PC_SERIAL_PORT
926 bool
927
1da177e4
LT
928config ARC_CONSOLE
929 bool "ARC console support"
e2defae5 930 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
931
932config ARC_MEMORY
933 bool
14b36af4 934 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
935 default y
936
937config ARC_PROMLIB
938 bool
e2defae5 939 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
940 default y
941
942config ARC64
943 bool
1da177e4
LT
944
945config BOOT_ELF64
946 bool
1da177e4 947
1da177e4
LT
948menu "CPU selection"
949
950choice
951 prompt "CPU type"
952 default CPU_R4X00
953
2a21c730
FZ
954config CPU_LOONGSON2
955 bool "Loongson 2"
956 depends on SYS_HAS_CPU_LOONGSON2
957 select CPU_SUPPORTS_32BIT_KERNEL
958 select CPU_SUPPORTS_64BIT_KERNEL
959 select CPU_SUPPORTS_HIGHMEM
960 help
961 The Loongson 2E processor implements the MIPS III instruction set
962 with many extensions.
963
6e760c8d
RB
964config CPU_MIPS32_R1
965 bool "MIPS32 Release 1"
7cf8053b 966 depends on SYS_HAS_CPU_MIPS32_R1
f7062ddb 967 select CPU_HAS_LLSC
6e760c8d 968 select CPU_HAS_PREFETCH
797798c1 969 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 970 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 971 help
5e83d430 972 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
973 MIPS32 architecture. Most modern embedded systems with a 32-bit
974 MIPS processor are based on a MIPS32 processor. If you know the
975 specific type of processor in your system, choose those that one
976 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
977 Release 2 of the MIPS32 architecture is available since several
978 years so chances are you even have a MIPS32 Release 2 processor
979 in which case you should choose CPU_MIPS32_R2 instead for better
980 performance.
981
982config CPU_MIPS32_R2
983 bool "MIPS32 Release 2"
7cf8053b 984 depends on SYS_HAS_CPU_MIPS32_R2
f7062ddb 985 select CPU_HAS_LLSC
1e5f1caa 986 select CPU_HAS_PREFETCH
797798c1 987 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 988 select CPU_SUPPORTS_HIGHMEM
6e760c8d 989 help
5e83d430 990 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
991 MIPS32 architecture. Most modern embedded systems with a 32-bit
992 MIPS processor are based on a MIPS32 processor. If you know the
993 specific type of processor in your system, choose those that one
994 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
995
996config CPU_MIPS64_R1
997 bool "MIPS64 Release 1"
7cf8053b 998 depends on SYS_HAS_CPU_MIPS64_R1
f7062ddb 999 select CPU_HAS_LLSC
797798c1 1000 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1001 select CPU_SUPPORTS_32BIT_KERNEL
1002 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1003 select CPU_SUPPORTS_HIGHMEM
6e760c8d
RB
1004 help
1005 Choose this option to build a kernel for release 1 or later of the
1006 MIPS64 architecture. Many modern embedded systems with a 64-bit
1007 MIPS processor are based on a MIPS64 processor. If you know the
1008 specific type of processor in your system, choose those that one
1009 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1010 Release 2 of the MIPS64 architecture is available since several
1011 years so chances are you even have a MIPS64 Release 2 processor
1012 in which case you should choose CPU_MIPS64_R2 instead for better
1013 performance.
1014
1015config CPU_MIPS64_R2
1016 bool "MIPS64 Release 2"
7cf8053b 1017 depends on SYS_HAS_CPU_MIPS64_R2
f7062ddb 1018 select CPU_HAS_LLSC
797798c1 1019 select CPU_HAS_PREFETCH
1e5f1caa
RB
1020 select CPU_SUPPORTS_32BIT_KERNEL
1021 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1022 select CPU_SUPPORTS_HIGHMEM
1e5f1caa
RB
1023 help
1024 Choose this option to build a kernel for release 2 or later of the
1025 MIPS64 architecture. Many modern embedded systems with a 64-bit
1026 MIPS processor are based on a MIPS64 processor. If you know the
1027 specific type of processor in your system, choose those that one
1028 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1029
1030config CPU_R3000
1031 bool "R3000"
7cf8053b 1032 depends on SYS_HAS_CPU_R3000
f7062ddb 1033 select CPU_HAS_WB
ed5ba2fb 1034 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1035 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1036 help
1037 Please make sure to pick the right CPU type. Linux/MIPS is not
1038 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1039 *not* work on R4000 machines and vice versa. However, since most
1040 of the supported machines have an R4000 (or similar) CPU, R4x00
1041 might be a safe bet. If the resulting kernel does not work,
1042 try to recompile with R3000.
1043
1044config CPU_TX39XX
1045 bool "R39XX"
7cf8053b 1046 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1047 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1048
1049config CPU_VR41XX
1050 bool "R41xx"
7cf8053b 1051 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1052 select CPU_SUPPORTS_32BIT_KERNEL
1053 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1054 help
5e83d430 1055 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1056 Only choose this option if you have one of these processors as a
1057 kernel built with this option will not run on any other type of
1058 processor or vice versa.
1059
1060config CPU_R4300
1061 bool "R4300"
7cf8053b 1062 depends on SYS_HAS_CPU_R4300
f7062ddb 1063 select CPU_HAS_LLSC
ed5ba2fb
YY
1064 select CPU_SUPPORTS_32BIT_KERNEL
1065 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1066 help
1067 MIPS Technologies R4300-series processors.
1068
1069config CPU_R4X00
1070 bool "R4x00"
7cf8053b 1071 depends on SYS_HAS_CPU_R4X00
f7062ddb 1072 select CPU_HAS_LLSC
ed5ba2fb
YY
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1075 help
1076 MIPS Technologies R4000-series processors other than 4300, including
1077 the R4000, R4400, R4600, and 4700.
1078
1079config CPU_TX49XX
1080 bool "R49XX"
7cf8053b 1081 depends on SYS_HAS_CPU_TX49XX
f7062ddb 1082 select CPU_HAS_LLSC
de862b48 1083 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1084 select CPU_SUPPORTS_32BIT_KERNEL
1085 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1086
1087config CPU_R5000
1088 bool "R5000"
7cf8053b 1089 depends on SYS_HAS_CPU_R5000
f7062ddb 1090 select CPU_HAS_LLSC
ed5ba2fb
YY
1091 select CPU_SUPPORTS_32BIT_KERNEL
1092 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1093 help
1094 MIPS Technologies R5000-series processors other than the Nevada.
1095
1096config CPU_R5432
1097 bool "R5432"
7cf8053b 1098 depends on SYS_HAS_CPU_R5432
f7062ddb 1099 select CPU_HAS_LLSC
5e83d430
RB
1100 select CPU_SUPPORTS_32BIT_KERNEL
1101 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1102
1103config CPU_R6000
1104 bool "R6000"
ed5ba2fb 1105 depends on EXPERIMENTAL
f7062ddb 1106 select CPU_HAS_LLSC
7cf8053b 1107 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1108 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1109 help
1110 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1111 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1112
1113config CPU_NEVADA
1114 bool "RM52xx"
7cf8053b 1115 depends on SYS_HAS_CPU_NEVADA
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 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1121
1122config CPU_R8000
1123 bool "R8000"
ed5ba2fb 1124 depends on EXPERIMENTAL
7cf8053b 1125 depends on SYS_HAS_CPU_R8000
f7062ddb 1126 select CPU_HAS_LLSC
5e83d430 1127 select CPU_HAS_PREFETCH
ed5ba2fb 1128 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1129 help
1130 MIPS Technologies R8000 processors. Note these processors are
1131 uncommon and the support for them is incomplete.
1132
1133config CPU_R10000
1134 bool "R10000"
7cf8053b 1135 depends on SYS_HAS_CPU_R10000
f7062ddb 1136 select CPU_HAS_LLSC
5e83d430 1137 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1138 select CPU_SUPPORTS_32BIT_KERNEL
1139 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1140 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1141 help
1142 MIPS Technologies R10000-series processors.
1143
1144config CPU_RM7000
1145 bool "RM7000"
7cf8053b 1146 depends on SYS_HAS_CPU_RM7000
f7062ddb 1147 select CPU_HAS_LLSC
5e83d430 1148 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1149 select CPU_SUPPORTS_32BIT_KERNEL
1150 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1151 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1152
1153config CPU_RM9000
1154 bool "RM9000"
7cf8053b 1155 depends on SYS_HAS_CPU_RM9000
f7062ddb 1156 select CPU_HAS_LLSC
5e83d430 1157 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1158 select CPU_SUPPORTS_32BIT_KERNEL
1159 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1160 select CPU_SUPPORTS_HIGHMEM
0004a9df 1161 select WEAK_ORDERING
1da177e4
LT
1162
1163config CPU_SB1
1164 bool "SB1"
7cf8053b 1165 depends on SYS_HAS_CPU_SB1
f7062ddb 1166 select CPU_HAS_LLSC
ed5ba2fb
YY
1167 select CPU_SUPPORTS_32BIT_KERNEL
1168 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1169 select CPU_SUPPORTS_HIGHMEM
0004a9df 1170 select WEAK_ORDERING
1da177e4
LT
1171
1172endchoice
1173
2a21c730
FZ
1174config SYS_HAS_CPU_LOONGSON2
1175 bool
1176
7cf8053b
RB
1177config SYS_HAS_CPU_MIPS32_R1
1178 bool
1179
1180config SYS_HAS_CPU_MIPS32_R2
1181 bool
1182
1183config SYS_HAS_CPU_MIPS64_R1
1184 bool
1185
1186config SYS_HAS_CPU_MIPS64_R2
1187 bool
1188
1189config SYS_HAS_CPU_R3000
1190 bool
1191
1192config SYS_HAS_CPU_TX39XX
1193 bool
1194
1195config SYS_HAS_CPU_VR41XX
1196 bool
1197
1198config SYS_HAS_CPU_R4300
1199 bool
1200
1201config SYS_HAS_CPU_R4X00
1202 bool
1203
1204config SYS_HAS_CPU_TX49XX
1205 bool
1206
1207config SYS_HAS_CPU_R5000
1208 bool
1209
1210config SYS_HAS_CPU_R5432
1211 bool
1212
1213config SYS_HAS_CPU_R6000
1214 bool
1215
1216config SYS_HAS_CPU_NEVADA
1217 bool
1218
1219config SYS_HAS_CPU_R8000
1220 bool
1221
1222config SYS_HAS_CPU_R10000
1223 bool
1224
1225config SYS_HAS_CPU_RM7000
1226 bool
1227
1228config SYS_HAS_CPU_RM9000
1229 bool
1230
1231config SYS_HAS_CPU_SB1
1232 bool
1233
17099b11
RB
1234#
1235# CPU may reorder R->R, R->W, W->R, W->W
1236# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1237#
0004a9df
RB
1238config WEAK_ORDERING
1239 bool
17099b11
RB
1240
1241#
1242# CPU may reorder reads and writes beyond LL/SC
1243# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1244#
1245config WEAK_REORDERING_BEYOND_LLSC
1246 bool
5e83d430
RB
1247endmenu
1248
1249#
c09b47d8 1250# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1251#
1252config CPU_MIPS32
1253 bool
1254 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1255
1256config CPU_MIPS64
1257 bool
1258 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1259
1260#
c09b47d8 1261# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1262#
1263config CPU_MIPSR1
1264 bool
1265 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1266
1267config CPU_MIPSR2
1268 bool
1269 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1270
1271config SYS_SUPPORTS_32BIT_KERNEL
1272 bool
1273config SYS_SUPPORTS_64BIT_KERNEL
1274 bool
1275config CPU_SUPPORTS_32BIT_KERNEL
1276 bool
1277config CPU_SUPPORTS_64BIT_KERNEL
1278 bool
1279
1280menu "Kernel type"
1281
1282choice
1283
1284 prompt "Kernel code model"
1285 help
1286 You should only select this option if you have a workload that
1287 actually benefits from 64-bit processing or if your machine has
1288 large memory. You will only be presented a single option in this
1289 menu if your system does not support both 32-bit and 64-bit kernels.
1290
1291config 32BIT
1292 bool "32-bit kernel"
1293 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1294 select TRAD_SIGNALS
1295 help
1296 Select this option if you want to build a 32-bit kernel.
1297config 64BIT
1298 bool "64-bit kernel"
1299 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1300 help
1301 Select this option if you want to build a 64-bit kernel.
1302
1303endchoice
1304
1da177e4
LT
1305choice
1306 prompt "Kernel page size"
1307 default PAGE_SIZE_4KB
1308
1309config PAGE_SIZE_4KB
1310 bool "4kB"
1311 help
1312 This option select the standard 4kB Linux page size. On some
1313 R3000-family processors this is the only available page size. Using
1314 4kB page size will minimize memory consumption and is therefore
1315 recommended for low memory systems.
1316
1317config PAGE_SIZE_8KB
1318 bool "8kB"
1319 depends on EXPERIMENTAL && CPU_R8000
1320 help
1321 Using 8kB page size will result in higher performance kernel at
1322 the price of higher memory consumption. This option is available
1323 only on the R8000 processor. Not that at the time of this writing
1324 this option is still high experimental; there are also issues with
1325 compatibility of user applications.
1326
1327config PAGE_SIZE_16KB
1328 bool "16kB"
714bfad6 1329 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1330 help
1331 Using 16kB page size will result in higher performance kernel at
1332 the price of higher memory consumption. This option is available on
714bfad6
RB
1333 all non-R3000 family processors. Note that you will need a suitable
1334 Linux distribution to support this.
1da177e4
LT
1335
1336config PAGE_SIZE_64KB
1337 bool "64kB"
1338 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1339 help
1340 Using 64kB page size will result in higher performance kernel at
1341 the price of higher memory consumption. This option is available on
1342 all non-R3000 family processor. Not that at the time of this
714bfad6 1343 writing this option is still high experimental.
1da177e4
LT
1344
1345endchoice
1346
1347config BOARD_SCACHE
1348 bool
1349
1350config IP22_CPU_SCACHE
1351 bool
1352 select BOARD_SCACHE
1353
9318c51a
CD
1354#
1355# Support for a MIPS32 / MIPS64 style S-caches
1356#
1357config MIPS_CPU_SCACHE
1358 bool
1359 select BOARD_SCACHE
1360
1da177e4
LT
1361config R5000_CPU_SCACHE
1362 bool
1363 select BOARD_SCACHE
1364
1365config RM7000_CPU_SCACHE
1366 bool
1367 select BOARD_SCACHE
1368
1369config SIBYTE_DMA_PAGEOPS
1370 bool "Use DMA to clear/copy pages"
1371 depends on CPU_SB1
1372 help
1373 Instead of using the CPU to zero and copy pages, use a Data Mover
1374 channel. These DMA channels are otherwise unused by the standard
1375 SiByte Linux port. Seems to give a small performance benefit.
1376
1377config CPU_HAS_PREFETCH
c8094b53 1378 bool
1da177e4 1379
340ee4b9
RB
1380choice
1381 prompt "MIPS MT options"
f41ae0b2
RB
1382
1383config MIPS_MT_DISABLED
1384 bool "Disable multithreading support."
1385 help
1386 Use this option if your workload can't take advantage of
1387 MIPS hardware multithreading support. On systems that don't have
1388 the option of an MT-enabled processor this option will be the only
1389 option in this menu.
340ee4b9 1390
59d6ab86
RB
1391config MIPS_MT_SMP
1392 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1393 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1394 select CPU_MIPSR2_IRQ_VI
d725cf38 1395 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1396 select MIPS_MT
f510aa3b 1397 select NR_CPUS_DEFAULT_2
41c594ab 1398 select SMP
0ab7aefc 1399 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1400 select SYS_SUPPORTS_SMP
87353d8a 1401 select SMP_UP
f41ae0b2 1402 help
59d6ab86
RB
1403 This is a kernel model which is also known a VSMP or lately
1404 has been marketesed into SMVP.
41c594ab 1405
59d6ab86
RB
1406config MIPS_MT_SMTC
1407 bool "SMTC: Use all TCs on all VPEs for SMP"
1408 depends on CPU_MIPS32_R2
1409 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2 1410 depends on SYS_SUPPORTS_MULTITHREADING
ea580401 1411 select GENERIC_CLOCKEVENTS_BROADCAST
f41ae0b2 1412 select CPU_MIPSR2_IRQ_VI
d725cf38 1413 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1414 select MIPS_MT
130e2fb7 1415 select NR_CPUS_DEFAULT_8
340ee4b9 1416 select SMP
73b76c78 1417 select SYS_SUPPORTS_SMP
87353d8a 1418 select SMP_UP
f41ae0b2 1419 help
59d6ab86
RB
1420 This is a kernel model which is known a SMTC or lately has been
1421 marketesed into SMVP.
340ee4b9 1422
340ee4b9
RB
1423endchoice
1424
f41ae0b2
RB
1425config MIPS_MT
1426 bool
1427
0ab7aefc
RB
1428config SCHED_SMT
1429 bool "SMT (multithreading) scheduler support"
1430 depends on SYS_SUPPORTS_SCHED_SMT
1431 default n
1432 help
1433 SMT scheduler support improves the CPU scheduler's decision making
1434 when dealing with MIPS MT enabled cores at a cost of slightly
1435 increased overhead in some places. If unsure say N here.
1436
1437config SYS_SUPPORTS_SCHED_SMT
1438 bool
1439
1440
f41ae0b2
RB
1441config SYS_SUPPORTS_MULTITHREADING
1442 bool
1443
f088fc84
RB
1444config MIPS_MT_FPAFF
1445 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1446 default y
07cc0c9e
RB
1447 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1448
1449config MIPS_VPE_LOADER
1450 bool "VPE loader support."
1451 depends on SYS_SUPPORTS_MULTITHREADING
1452 select CPU_MIPSR2_IRQ_VI
1453 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1454 select MIPS_MT
1455 help
1456 Includes a loader for loading an elf relocatable object
1457 onto another VPE and running it.
f088fc84 1458
ac8be955
RB
1459config MIPS_MT_SMTC_INSTANT_REPLAY
1460 bool "Low-latency Dispatch of Deferred SMTC IPIs"
619af723 1461 depends on MIPS_MT_SMTC && !PREEMPT
ac8be955
RB
1462 default y
1463 help
1464 SMTC pseudo-interrupts between TCs are deferred and queued
1465 if the target TC is interrupt-inhibited (IXMT). In the first
1466 SMTC prototypes, these queued IPIs were serviced on return
1467 to user mode, or on entry into the kernel idle loop. The
1468 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1469 processing, which adds runtime overhead (hence the option to turn
1470 it off), but ensures that IPIs are handled promptly even under
1471 heavy I/O interrupt load.
1472
0db34215
KK
1473config MIPS_MT_SMTC_IM_BACKSTOP
1474 bool "Use per-TC register bits as backstop for inhibited IM bits"
1475 depends on MIPS_MT_SMTC
1476 default y
1477 help
1478 To support multiple TC microthreads acting as "CPUs" within
1479 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1480 during interrupt handling. To support legacy drivers and interrupt
1481 controller management code, SMTC has a "backstop" to track and
1482 if necessary restore the interrupt mask. This has some performance
1483 impact on interrupt service overhead. Disable it only if you know
1484 what you are doing.
1485
f571eff0
KK
1486config MIPS_MT_SMTC_IRQAFF
1487 bool "Support IRQ affinity API"
1488 depends on MIPS_MT_SMTC
1489 default n
1490 help
1491 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1492 for SMTC Linux kernel. Requires platform support, of which
1493 an example can be found in the MIPS kernel i8259 and Malta
1494 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1495 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1496 interrupt dispatch, and should be used only if you know what
1497 you are doing.
1498
e01402b1
RB
1499config MIPS_VPE_LOADER_TOM
1500 bool "Load VPE program into memory hidden from linux"
1501 depends on MIPS_VPE_LOADER
1502 default y
1503 help
1504 The loader can use memory that is present but has been hidden from
1505 Linux using the kernel command line option "mem=xxMB". It's up to
1506 you to ensure the amount you put in the option and the space your
1507 program requires is less or equal to the amount physically present.
1508
1509# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1510config MIPS_VPE_APSP_API
5e83d430
RB
1511 bool "Enable support for AP/SP API (RTLX)"
1512 depends on MIPS_VPE_LOADER
1513 help
e01402b1 1514
2600990e
RB
1515config MIPS_APSP_KSPD
1516 bool "Enable KSPD"
1517 depends on MIPS_VPE_APSP_API
1518 default y
1519 help
1520 KSPD is a kernel daemon that accepts syscall requests from the SP
1521 side, actions them and returns the results. It also handles the
1522 "exit" syscall notifying other kernel modules the SP program is
1523 exiting. You probably want to say yes here.
1524
1da177e4
LT
1525config SB1_PASS_1_WORKAROUNDS
1526 bool
1527 depends on CPU_SB1_PASS_1
1528 default y
1529
1530config SB1_PASS_2_WORKAROUNDS
1531 bool
1532 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1533 default y
1534
1535config SB1_PASS_2_1_WORKAROUNDS
1536 bool
1537 depends on CPU_SB1 && CPU_SB1_PASS_2
1538 default y
1539
1540config 64BIT_PHYS_ADDR
d806cb2b 1541 bool
1da177e4 1542
1da177e4 1543config CPU_HAS_LLSC
f7062ddb 1544 bool
1da177e4 1545
9693a853
FBH
1546config CPU_HAS_SMARTMIPS
1547 depends on SYS_SUPPORTS_SMARTMIPS
1548 bool "Support for the SmartMIPS ASE"
1549 help
1550 SmartMIPS is a extension of the MIPS32 architecture aimed at
1551 increased security at both hardware and software level for
1552 smartcards. Enabling this option will allow proper use of the
1553 SmartMIPS instructions by Linux applications. However a kernel with
1554 this option will not work on a MIPS core without SmartMIPS core. If
1555 you don't know you probably don't have SmartMIPS and should say N
1556 here.
1557
1da177e4 1558config CPU_HAS_WB
f7062ddb 1559 bool
e01402b1 1560
f41ae0b2
RB
1561#
1562# Vectored interrupt mode is an R2 feature
1563#
e01402b1 1564config CPU_MIPSR2_IRQ_VI
f41ae0b2 1565 bool
e01402b1 1566
f41ae0b2
RB
1567#
1568# Extended interrupt mode is an R2 feature
1569#
e01402b1 1570config CPU_MIPSR2_IRQ_EI
f41ae0b2 1571 bool
e01402b1 1572
1da177e4
LT
1573config CPU_HAS_SYNC
1574 bool
1575 depends on !CPU_R3000
1576 default y
1577
ea580401
RB
1578config GENERIC_CLOCKEVENTS_BROADCAST
1579 bool
1580
20d60d99
MR
1581#
1582# CPU non-features
1583#
1584config CPU_DADDI_WORKAROUNDS
1585 bool
1586
1587config CPU_R4000_WORKAROUNDS
1588 bool
1589 select CPU_R4400_WORKAROUNDS
1590
1591config CPU_R4400_WORKAROUNDS
1592 bool
1593
797798c1
RB
1594#
1595# Use the generic interrupt handling code in kernel/irq/:
1596#
1597config GENERIC_HARDIRQS
1598 bool
1599 default y
1600
1601config GENERIC_IRQ_PROBE
1602 bool
1603 default y
1604
0d7012a9 1605config IRQ_PER_CPU
0d7012a9 1606 bool
0d7012a9 1607
1da177e4
LT
1608#
1609# - Highmem only makes sense for the 32-bit kernel.
1610# - The current highmem code will only work properly on physically indexed
1611# caches such as R3000, SB1, R7000 or those that look like they're virtually
1612# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1613# moment we protect the user and offer the highmem option only on machines
1614# where it's known to be safe. This will not offer highmem on a few systems
1615# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1616# indexed CPUs but we're playing safe.
797798c1
RB
1617# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1618# know they might have memory configurations that could make use of highmem
1619# support.
1da177e4
LT
1620#
1621config HIGHMEM
1622 bool "High Memory Support"
797798c1
RB
1623 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1624
1625config CPU_SUPPORTS_HIGHMEM
1626 bool
1627
1628config SYS_SUPPORTS_HIGHMEM
1629 bool
1da177e4 1630
9693a853
FBH
1631config SYS_SUPPORTS_SMARTMIPS
1632 bool
1633
b4819b59
YY
1634config ARCH_FLATMEM_ENABLE
1635 def_bool y
1636 depends on !NUMA
1637
d8cb4e11
RB
1638config ARCH_DISCONTIGMEM_ENABLE
1639 bool
1640 default y if SGI_IP27
1641 help
3dde6ad8 1642 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1643 for architectures which are either NUMA (Non-Uniform Memory Access)
1644 or have huge holes in the physical address space for other reasons.
1645 See <file:Documentation/vm/numa> for more.
1646
cce335ae
RB
1647config ARCH_POPULATES_NODE_MAP
1648 def_bool y
1649
31473747
AN
1650config ARCH_SPARSEMEM_ENABLE
1651 bool
7de58fab 1652 select SPARSEMEM_STATIC
31473747 1653
d8cb4e11
RB
1654config NUMA
1655 bool "NUMA Support"
1656 depends on SYS_SUPPORTS_NUMA
1657 help
1658 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1659 Access). This option improves performance on systems with more
1660 than two nodes; on two node systems it is generally better to
1661 leave it disabled; on single node systems disable this option
1662 disabled.
1663
1664config SYS_SUPPORTS_NUMA
1665 bool
1666
c80d79d7
YG
1667config NODES_SHIFT
1668 int
1669 default "6"
1670 depends on NEED_MULTIPLE_NODES
1671
b4819b59
YY
1672source "mm/Kconfig"
1673
1da177e4
LT
1674config SMP
1675 bool "Multi-Processing support"
e73ea273 1676 depends on SYS_SUPPORTS_SMP
b4b30a5a 1677 select IRQ_PER_CPU
2f304c0a 1678 select USE_GENERIC_SMP_HELPERS
e73ea273 1679 help
1da177e4
LT
1680 This enables support for systems with more than one CPU. If you have
1681 a system with only one CPU, like most personal computers, say N. If
1682 you have a system with more than one CPU, say Y.
1683
1684 If you say N here, the kernel will run on single and multiprocessor
1685 machines, but will use only one CPU of a multiprocessor machine. If
1686 you say Y here, the kernel will run on many, but not all,
1687 singleprocessor machines. On a singleprocessor machine, the kernel
1688 will run faster if you say N here.
1689
1690 People using multiprocessor machines who say Y here should also say
1691 Y to "Enhanced Real Time Clock Support", below.
1692
03502faa
AB
1693 See also the SMP-HOWTO available at
1694 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1695
1696 If you don't know what to do here, say N.
1697
87353d8a
RB
1698config SMP_UP
1699 bool
1700
e73ea273
RB
1701config SYS_SUPPORTS_SMP
1702 bool
1703
72ede9b1
AN
1704config NR_CPUS_DEFAULT_1
1705 bool
1706
130e2fb7
RB
1707config NR_CPUS_DEFAULT_2
1708 bool
1709
1710config NR_CPUS_DEFAULT_4
1711 bool
1712
1713config NR_CPUS_DEFAULT_8
1714 bool
1715
1716config NR_CPUS_DEFAULT_16
1717 bool
1718
1719config NR_CPUS_DEFAULT_32
1720 bool
1721
1722config NR_CPUS_DEFAULT_64
1723 bool
1724
1da177e4
LT
1725config NR_CPUS
1726 int "Maximum number of CPUs (2-64)"
72ede9b1 1727 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1728 depends on SMP
72ede9b1 1729 default "1" if NR_CPUS_DEFAULT_1
130e2fb7
RB
1730 default "2" if NR_CPUS_DEFAULT_2
1731 default "4" if NR_CPUS_DEFAULT_4
1732 default "8" if NR_CPUS_DEFAULT_8
1733 default "16" if NR_CPUS_DEFAULT_16
1734 default "32" if NR_CPUS_DEFAULT_32
1735 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
1736 help
1737 This allows you to specify the maximum number of CPUs which this
1738 kernel will support. The maximum supported value is 32 for 32-bit
1739 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1740 sense is 1 for Qemu (useful only for kernel debugging purposes)
1741 and 2 for all others.
1da177e4
LT
1742
1743 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1744 approximately eight kilobytes to the kernel image. For best
1745 performance should round up your number of processors to the next
1746 power of two.
1da177e4 1747
39b8d525
RB
1748config MIPS_CMP
1749 bool "MIPS CMP framework support"
1750 depends on SMP
1751 select SYNC_R4K
1752 select SYS_SUPPORTS_SCHED_SMT
1753 select WEAK_ORDERING
1754 default n
1755 help
1756 This is a placeholder option for the GCMP work. It will need to
1757 be handled differently...
1758
c4eee283
AN
1759source "kernel/time/Kconfig"
1760
1723b4a3
AN
1761#
1762# Timer Interrupt Frequency Configuration
1763#
1764
1765choice
1766 prompt "Timer frequency"
1767 default HZ_250
1768 help
1769 Allows the configuration of the timer frequency.
1770
1771 config HZ_48
0f873585 1772 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
1773
1774 config HZ_100
1775 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1776
1777 config HZ_128
1778 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1779
1780 config HZ_250
1781 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1782
1783 config HZ_256
1784 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1785
1786 config HZ_1000
1787 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1788
1789 config HZ_1024
1790 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1791
1792endchoice
1793
1794config SYS_SUPPORTS_48HZ
1795 bool
1796
1797config SYS_SUPPORTS_100HZ
1798 bool
1799
1800config SYS_SUPPORTS_128HZ
1801 bool
1802
1803config SYS_SUPPORTS_250HZ
1804 bool
1805
1806config SYS_SUPPORTS_256HZ
1807 bool
1808
1809config SYS_SUPPORTS_1000HZ
1810 bool
1811
1812config SYS_SUPPORTS_1024HZ
1813 bool
1814
1815config SYS_SUPPORTS_ARBIT_HZ
1816 bool
1817 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1818 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1819 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1820 !SYS_SUPPORTS_1024HZ
1821
1822config HZ
1823 int
1824 default 48 if HZ_48
1825 default 100 if HZ_100
1826 default 128 if HZ_128
1827 default 250 if HZ_250
1828 default 256 if HZ_256
1829 default 1000 if HZ_1000
1830 default 1024 if HZ_1024
1831
e80de850 1832source "kernel/Kconfig.preempt"
1da177e4 1833
1da177e4
LT
1834config MIPS_INSANE_LARGE
1835 bool "Support for large 64-bit configurations"
875d43e7 1836 depends on CPU_R10000 && 64BIT
1da177e4
LT
1837 help
1838 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1839 previous 64-bit processors which only supported 40 bit / 1TB. If you
1840 need processes of more than 1TB virtual address space, say Y here.
1841 This will result in additional memory usage, so it is not
1842 recommended for normal users.
1843
ea6e942b
AN
1844config KEXEC
1845 bool "Kexec system call (EXPERIMENTAL)"
1846 depends on EXPERIMENTAL
1847 help
1848 kexec is a system call that implements the ability to shutdown your
1849 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 1850 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
1851 you can start any kernel with it, not just Linux.
1852
01dd2fbf 1853 The name comes from the similarity to the exec system call.
ea6e942b
AN
1854
1855 It is an ongoing process to be certain the hardware in a machine
1856 is properly shutdown, so do not be surprised if this code does not
1857 initially work for you. It may help to enable device hotplugging
1858 support. As of this writing the exact hardware interface is
1859 strongly in flux, so no good recommendation can be made.
1860
1861config SECCOMP
1862 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 1863 depends on PROC_FS
ea6e942b
AN
1864 default y
1865 help
1866 This kernel feature is useful for number crunching applications
1867 that may need to compute untrusted bytecode during their
1868 execution. By using pipes or other transports made available to
1869 the process as file descriptors supporting the read/write
1870 syscalls, it's possible to isolate those applications in
1871 their own address space using seccomp. Once seccomp is
1872 enabled via /proc/<pid>/seccomp, it cannot be disabled
1873 and the task is only allowed to execute a few safe syscalls
1874 defined by each seccomp mode.
1875
1876 If unsure, say Y. Only embedded should say N here.
1877
5e83d430
RB
1878endmenu
1879
1da177e4
LT
1880config RWSEM_GENERIC_SPINLOCK
1881 bool
1882 default y
1883
1df0f0ff
AN
1884config LOCKDEP_SUPPORT
1885 bool
1886 default y
1887
1888config STACKTRACE_SUPPORT
1889 bool
1890 default y
1891
b6c3539b
RB
1892source "init/Kconfig"
1893
1da177e4
LT
1894menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1895
5e83d430
RB
1896config HW_HAS_EISA
1897 bool
1da177e4
LT
1898config HW_HAS_PCI
1899 bool
1900
1901config PCI
1902 bool "Support for PCI controller"
1903 depends on HW_HAS_PCI
abb4ae46 1904 select PCI_DOMAINS
1da177e4
LT
1905 help
1906 Find out whether you have a PCI motherboard. PCI is the name of a
1907 bus system, i.e. the way the CPU talks to the other stuff inside
1908 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1909 say Y, otherwise N.
1910
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LT
1911config PCI_DOMAINS
1912 bool
1da177e4
LT
1913
1914source "drivers/pci/Kconfig"
1915
1916#
1917# ISA support is now enabled via select. Too many systems still have the one
1918# or other ISA chip on the board that users don't know about so don't expect
1919# users to choose the right thing ...
1920#
1921config ISA
1922 bool
1923
1924config EISA
1925 bool "EISA support"
5e83d430 1926 depends on HW_HAS_EISA
1da177e4 1927 select ISA
aa414dff 1928 select GENERIC_ISA_DMA
1da177e4
LT
1929 ---help---
1930 The Extended Industry Standard Architecture (EISA) bus was
1931 developed as an open alternative to the IBM MicroChannel bus.
1932
1933 The EISA bus provided some of the features of the IBM MicroChannel
1934 bus while maintaining backward compatibility with cards made for
1935 the older ISA bus. The EISA bus saw limited use between 1988 and
1936 1995 when it was made obsolete by the PCI bus.
1937
1938 Say Y here if you are building a kernel for an EISA-based machine.
1939
1940 Otherwise, say N.
1941
1942source "drivers/eisa/Kconfig"
1943
1944config TC
1945 bool "TURBOchannel support"
1946 depends on MACH_DECSTATION
1947 help
1948 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1949 processors. Documentation on writing device drivers for TurboChannel
1950 is available at:
1951 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1952
1953#config ACCESSBUS
1954# bool "Access.Bus support"
1955# depends on TC
1956
1957config MMU
1958 bool
1959 default y
1960
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RB
1961config I8253
1962 bool
1963
cce335ae
RB
1964config ZONE_DMA32
1965 bool
1966
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LT
1967source "drivers/pcmcia/Kconfig"
1968
1969source "drivers/pci/hotplug/Kconfig"
1970
1971endmenu
1972
1973menu "Executable file formats"
1974
1975source "fs/Kconfig.binfmt"
1976
1977config TRAD_SIGNALS
1978 bool
1da177e4 1979
1da177e4
LT
1980config MIPS32_COMPAT
1981 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 1982 depends on 64BIT
1da177e4
LT
1983 help
1984 Select this option if you want Linux/MIPS 32-bit binary
1985 compatibility. Since all software available for Linux/MIPS is
1986 currently 32-bit you should say Y here.
1987
1988config COMPAT
1989 bool
1990 depends on MIPS32_COMPAT
1991 default y
1992
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AN
1993config SYSVIPC_COMPAT
1994 bool
1995 depends on COMPAT && SYSVIPC
1996 default y
1997
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LT
1998config MIPS32_O32
1999 bool "Kernel support for o32 binaries"
2000 depends on MIPS32_COMPAT
2001 help
2002 Select this option if you want to run o32 binaries. These are pure
2003 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2004 existing binaries are in this format.
2005
2006 If unsure, say Y.
2007
2008config MIPS32_N32
2009 bool "Kernel support for n32 binaries"
2010 depends on MIPS32_COMPAT
2011 help
2012 Select this option if you want to run n32 binaries. These are
2013 64-bit binaries using 32-bit quantities for addressing and certain
2014 data that would normally be 64-bit. They are used in special
2015 cases.
2016
2017 If unsure, say N.
2018
2019config BINFMT_ELF32
2020 bool
2021 default y if MIPS32_O32 || MIPS32_N32
2022
2116245e
RB
2023endmenu
2024
2025menu "Power management options"
2026
f4cb5700
JB
2027config ARCH_SUSPEND_POSSIBLE
2028 def_bool y
2029 depends on !SMP
2030
2116245e 2031source "kernel/power/Kconfig"
952fa954 2032
1da177e4
LT
2033endmenu
2034
d5950b43
SR
2035source "net/Kconfig"
2036
1da177e4
LT
2037source "drivers/Kconfig"
2038
2039source "fs/Kconfig"
2040
2041source "arch/mips/Kconfig.debug"
2042
2043source "security/Kconfig"
2044
2045source "crypto/Kconfig"
2046
2047source "lib/Kconfig"