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1da177e4
LT
1config MIPS
2 bool
3 default y
f8ac0425 4 select HAVE_GENERIC_DMA_COHERENT
ec7748b5 5 select HAVE_IDE
42d4b839 6 select HAVE_OPROFILE
88547001 7 select HAVE_ARCH_KGDB
d2bb0762 8 select HAVE_FUNCTION_TRACER
69a7d1b3 9 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
538f1952
WZ
10 select HAVE_DYNAMIC_FTRACE
11 select HAVE_FTRACE_MCOUNT_RECORD
29c5d346 12 select HAVE_FUNCTION_GRAPH_TRACER
21a41faa 13 select RTC_LIB if !MACH_LOONGSON
1da177e4 14
875d43e7
RB
15mainmenu "Linux/MIPS Kernel Configuration"
16
1da177e4
LT
17menu "Machine selection"
18
5ac6da66
CL
19config ZONE_DMA
20 bool
5ac6da66 21
5e83d430
RB
22choice
23 prompt "System type"
24 default SGI_IP22
1da177e4 25
c3543e25
YY
26config MACH_ALCHEMY
27 bool "Alchemy processor based machines"
1b93b3c3 28 select SYS_SUPPORTS_ZBOOT
1da177e4 29
7ca5dc14
FF
30config AR7
31 bool "Texas Instruments AR7"
32 select BOOT_ELF32
33 select DMA_NONCOHERENT
34 select CEVT_R4K
35 select CSRC_R4K
36 select IRQ_CPU
37 select NO_EXCEPT_FILL
38 select SWAP_IO_SPACE
39 select SYS_HAS_CPU_MIPS32_R1
40 select SYS_HAS_EARLY_PRINTK
41 select SYS_SUPPORTS_32BIT_KERNEL
42 select SYS_SUPPORTS_LITTLE_ENDIAN
1b93b3c3 43 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 44 select ARCH_REQUIRE_GPIOLIB
7ca5dc14
FF
45 select GCD
46 select VLYNQ
47 help
48 Support for the Texas Instruments AR7 System-on-a-Chip
49 family: TNETD7100, 7200 and 7300.
50
1c0c13eb 51config BCM47XX
c619366e 52 bool "Broadcom BCM47XX based boards"
42f77542 53 select CEVT_R4K
940f6b48 54 select CSRC_R4K
1c0c13eb
AJ
55 select DMA_NONCOHERENT
56 select HW_HAS_PCI
57 select IRQ_CPU
58 select SYS_HAS_CPU_MIPS32_R1
59 select SYS_SUPPORTS_32BIT_KERNEL
60 select SYS_SUPPORTS_LITTLE_ENDIAN
61 select SSB
62 select SSB_DRIVER_MIPS
2f02c15a 63 select SSB_DRIVER_EXTIF
b06f3e19 64 select SSB_EMBEDDED
2f02c15a 65 select SSB_PCICORE_HOSTMODE if PCI
1c0c13eb 66 select GENERIC_GPIO
25e5fb97
AJ
67 select SYS_HAS_EARLY_PRINTK
68 select CFE
1c0c13eb
AJ
69 help
70 Support for BCM47XX based boards
71
e7300d04
MB
72config BCM63XX
73 bool "Broadcom BCM63XX based boards"
74 select CEVT_R4K
75 select CSRC_R4K
76 select DMA_NONCOHERENT
77 select IRQ_CPU
78 select SYS_HAS_CPU_MIPS32_R1
79 select SYS_SUPPORTS_32BIT_KERNEL
80 select SYS_SUPPORTS_BIG_ENDIAN
81 select SYS_HAS_EARLY_PRINTK
82 select SWAP_IO_SPACE
83 select ARCH_REQUIRE_GPIOLIB
84 help
85 Support for BCM63XX based boards
86
1da177e4 87config MIPS_COBALT
3fa986fa 88 bool "Cobalt Server"
42f77542 89 select CEVT_R4K
940f6b48 90 select CSRC_R4K
1097c6ac 91 select CEVT_GT641XX
1da177e4
LT
92 select DMA_NONCOHERENT
93 select HW_HAS_PCI
d865bea4 94 select I8253
1da177e4
LT
95 select I8259
96 select IRQ_CPU
d5ab1a69 97 select IRQ_GT641XX
252161ec 98 select PCI_GT64XXX_PCI0
e25bfc92 99 select PCI
7cf8053b 100 select SYS_HAS_CPU_NEVADA
0a22e0d4 101 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 102 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 103 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 104 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4
LT
105
106config MACH_DECSTATION
3fa986fa 107 bool "DECstations"
1da177e4 108 select BOOT_ELF32
6457d9fc 109 select CEVT_DS1287
42f77542 110 select CEVT_R4K
4247417d 111 select CSRC_IOASIC
940f6b48 112 select CSRC_R4K
20d60d99
MR
113 select CPU_DADDI_WORKAROUNDS if 64BIT
114 select CPU_R4000_WORKAROUNDS if 64BIT
115 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 116 select DMA_NONCOHERENT
d388d685 117 select NO_IOPORT
1da177e4 118 select IRQ_CPU
7cf8053b
RB
119 select SYS_HAS_CPU_R3000
120 select SYS_HAS_CPU_R4X00
ed5ba2fb
YY
121 select SYS_SUPPORTS_32BIT_KERNEL
122 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
5e83d430 123 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
124 select SYS_SUPPORTS_128HZ
125 select SYS_SUPPORTS_256HZ
126 select SYS_SUPPORTS_1024HZ
5e83d430 127 help
1da177e4
LT
128 This enables support for DEC's MIPS based workstations. For details
129 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
130 DECstation porting pages on <http://decstation.unix-ag.org/>.
131
132 If you have one of the following DECstation Models you definitely
133 want to choose R4xx0 for the CPU Type:
134
9308816c
RB
135 DECstation 5000/50
136 DECstation 5000/150
137 DECstation 5000/260
138 DECsystem 5900/260
1da177e4
LT
139
140 otherwise choose R3000.
141
5e83d430 142config MACH_JAZZ
3fa986fa 143 bool "Jazz family of machines"
5e83d430
RB
144 select ARC
145 select ARC32
146 select ARCH_MAY_HAVE_PC_FDC
42f77542 147 select CEVT_R4K
940f6b48 148 select CSRC_R4K
e2defae5 149 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 150 select GENERIC_ISA_DMA
ea202c63 151 select IRQ_CPU
d865bea4 152 select I8253
5e83d430
RB
153 select I8259
154 select ISA
7cf8053b 155 select SYS_HAS_CPU_R4X00
5e83d430
RB
156 select SYS_SUPPORTS_32BIT_KERNEL
157 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
1723b4a3 158 select SYS_SUPPORTS_100HZ
1da177e4 159 help
5e83d430
RB
160 This a family of machines based on the MIPS R4030 chipset which was
161 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 162 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
163 Olivetti M700-10 workstations.
164
1f21d2bd
BM
165config LASAT
166 bool "LASAT Networks platforms"
42f77542 167 select CEVT_R4K
940f6b48 168 select CSRC_R4K
1f21d2bd
BM
169 select DMA_NONCOHERENT
170 select SYS_HAS_EARLY_PRINTK
171 select HW_HAS_PCI
a5ccfe5c 172 select IRQ_CPU
1f21d2bd
BM
173 select PCI_GT64XXX_PCI0
174 select MIPS_NILE4
175 select R5000_CPU_SCACHE
176 select SYS_HAS_CPU_R5000
177 select SYS_SUPPORTS_32BIT_KERNEL
178 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
179 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 180
85749d24
WZ
181config MACH_LOONGSON
182 bool "Loongson family of machines"
c7e8c668 183 select SYS_SUPPORTS_ZBOOT
ade299d8 184 help
85749d24
WZ
185 This enables the support of Loongson family of machines.
186
187 Loongson is a family of general-purpose MIPS-compatible CPUs.
188 developed at Institute of Computing Technology (ICT),
189 Chinese Academy of Sciences (CAS) in the People's Republic
190 of China. The chief architect is Professor Weiwu Hu.
ade299d8 191
1da177e4 192config MIPS_MALTA
3fa986fa 193 bool "MIPS Malta board"
61ed242d 194 select ARCH_MAY_HAVE_PC_FDC
1da177e4 195 select BOOT_ELF32
fa71c960 196 select BOOT_RAW
42f77542 197 select CEVT_R4K
940f6b48 198 select CSRC_R4K
1da177e4
LT
199 select DMA_NONCOHERENT
200 select GENERIC_ISA_DMA
aa414dff 201 select IRQ_CPU
39b8d525 202 select IRQ_GIC
1da177e4 203 select HW_HAS_PCI
d865bea4 204 select I8253
1da177e4 205 select I8259
5e83d430
RB
206 select MIPS_BOARDS_GEN
207 select MIPS_BONITO64
9318c51a 208 select MIPS_CPU_SCACHE
252161ec 209 select PCI_GT64XXX_PCI0
5e83d430 210 select MIPS_MSC
1da177e4 211 select SWAP_IO_SPACE
7cf8053b
RB
212 select SYS_HAS_CPU_MIPS32_R1
213 select SYS_HAS_CPU_MIPS32_R2
214 select SYS_HAS_CPU_MIPS64_R1
215 select SYS_HAS_CPU_NEVADA
216 select SYS_HAS_CPU_RM7000
36a88530 217 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
218 select SYS_SUPPORTS_32BIT_KERNEL
219 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
220 select SYS_SUPPORTS_BIG_ENDIAN
221 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 222 select SYS_SUPPORTS_MIPS_CMP
f41ae0b2 223 select SYS_SUPPORTS_MULTITHREADING
9693a853 224 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 225 select SYS_SUPPORTS_ZBOOT
1da177e4 226 help
f638d197 227 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
228 board.
229
5e83d430 230config MIPS_SIM
3fa986fa 231 bool 'MIPS simulator (MIPSsim)'
42f77542 232 select CEVT_R4K
940f6b48 233 select CSRC_R4K
1da177e4 234 select DMA_NONCOHERENT
36a88530 235 select SYS_HAS_EARLY_PRINTK
1da177e4 236 select IRQ_CPU
9267a30d 237 select BOOT_RAW
7cf8053b
RB
238 select SYS_HAS_CPU_MIPS32_R1
239 select SYS_HAS_CPU_MIPS32_R2
36a88530 240 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 241 select SYS_SUPPORTS_32BIT_KERNEL
5e83d430 242 select SYS_SUPPORTS_BIG_ENDIAN
f6e2373a 243 select SYS_SUPPORTS_MULTITHREADING
5e83d430 244 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 245 help
5e83d430
RB
246 This option enables support for MIPS Technologies MIPSsim software
247 emulator.
1da177e4 248
a83860c2
RB
249config NEC_MARKEINS
250 bool "NEC EMMA2RH Mark-eins board"
251 select SOC_EMMA2RH
252 select HW_HAS_PCI
253 help
254 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 255
5e83d430 256config MACH_VR41XX
74142d65 257 bool "NEC VR4100 series based machines"
42f77542 258 select CEVT_R4K
940f6b48 259 select CSRC_R4K
7cf8053b 260 select SYS_HAS_CPU_VR41XX
27fdd325 261 select ARCH_REQUIRE_GPIOLIB
5e83d430 262
edb6310a
DL
263config NXP_STB220
264 bool "NXP STB220 board"
265 select SOC_PNX833X
266 help
267 Support for NXP Semiconductors STB220 Development Board.
268
269config NXP_STB225
270 bool "NXP 225 board"
271 select SOC_PNX833X
272 select SOC_PNX8335
273 help
274 Support for NXP Semiconductors STB225 Development Board.
275
ade299d8 276config PNX8550_JBS
a92b0588 277 bool "NXP PNX8550 based JBS board"
ade299d8
YY
278 select PNX8550
279 select SYS_SUPPORTS_LITTLE_ENDIAN
280
281config PNX8550_STB810
a92b0588 282 bool "NXP PNX8550 based STB810 board"
ade299d8
YY
283 select PNX8550
284 select SYS_SUPPORTS_LITTLE_ENDIAN
285
9267a30d
MSJ
286config PMC_MSP
287 bool "PMC-Sierra MSP chipsets"
288 depends on EXPERIMENTAL
289 select DMA_NONCOHERENT
290 select SWAP_IO_SPACE
291 select NO_EXCEPT_FILL
292 select BOOT_RAW
293 select SYS_HAS_CPU_MIPS32_R1
294 select SYS_HAS_CPU_MIPS32_R2
295 select SYS_SUPPORTS_32BIT_KERNEL
296 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
297 select IRQ_CPU
298 select SERIAL_8250
299 select SERIAL_8250_CONSOLE
300 help
301 This adds support for the PMC-Sierra family of Multi-Service
302 Processor System-On-A-Chips. These parts include a number
303 of integrated peripherals, interfaces and DSPs in addition to
304 a variety of MIPS cores.
305
5e83d430 306config PMC_YOSEMITE
3fa986fa 307 bool "PMC-Sierra Yosemite eval board"
42f77542 308 select CEVT_R4K
940f6b48 309 select CSRC_R4K
5e83d430
RB
310 select DMA_COHERENT
311 select HW_HAS_PCI
312 select IRQ_CPU
313 select IRQ_CPU_RM7K
314 select IRQ_CPU_RM9K
315 select SWAP_IO_SPACE
7cf8053b 316 select SYS_HAS_CPU_RM9000
36a88530 317 select SYS_HAS_EARLY_PRINTK
5e83d430
RB
318 select SYS_SUPPORTS_32BIT_KERNEL
319 select SYS_SUPPORTS_64BIT_KERNEL
320 select SYS_SUPPORTS_BIG_ENDIAN
321 select SYS_SUPPORTS_HIGHMEM
e73ea273 322 select SYS_SUPPORTS_SMP
5e83d430
RB
323 help
324 Yosemite is an evaluation board for the RM9000x2 processor
325 manufactured by PMC-Sierra.
1da177e4 326
a3a0f8c8
DV
327config POWERTV
328 bool "Cisco PowerTV"
329 select BOOT_ELF32
330 select CEVT_R4K
331 select CPU_MIPSR2_IRQ_VI
332 select CPU_MIPSR2_IRQ_EI
333 select CSRC_POWERTV
334 select DMA_NONCOHERENT
335 select HW_HAS_PCI
336 select SYS_HAS_EARLY_PRINTK
337 select SYS_HAS_CPU_MIPS32_R2
338 select SYS_SUPPORTS_32BIT_KERNEL
339 select SYS_SUPPORTS_BIG_ENDIAN
340 select SYS_SUPPORTS_HIGHMEM
341 select USB_OHCI_LITTLE_ENDIAN
342 help
343 This enables support for the Cisco PowerTV Platform.
344
1da177e4 345config SGI_IP22
3fa986fa 346 bool "SGI IP22 (Indy/Indigo2)"
1da177e4
LT
347 select ARC
348 select ARC32
349 select BOOT_ELF32
42f77542 350 select CEVT_R4K
940f6b48 351 select CSRC_R4K
e2defae5 352 select DEFAULT_SGI_PARTITION
1da177e4 353 select DMA_NONCOHERENT
5e83d430 354 select HW_HAS_EISA
d865bea4 355 select I8253
68de4803 356 select I8259
1da177e4
LT
357 select IP22_CPU_SCACHE
358 select IRQ_CPU
aa414dff 359 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
360 select SGI_HAS_I8042
361 select SGI_HAS_INDYDOG
36e5c21d 362 select SGI_HAS_HAL2
e2defae5
TB
363 select SGI_HAS_SEEQ
364 select SGI_HAS_WD93
365 select SGI_HAS_ZILOG
1da177e4 366 select SWAP_IO_SPACE
7cf8053b
RB
367 select SYS_HAS_CPU_R4X00
368 select SYS_HAS_CPU_R5000
2b5e63f6
MM
369 #
370 # Disable EARLY_PRINTK for now since it leads to overwritten prom
371 # memory during early boot on some machines.
372 #
373 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
374 # for a more details discussion
375 #
376 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
377 select SYS_SUPPORTS_32BIT_KERNEL
378 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 379 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
380 help
381 This are the SGI Indy, Challenge S and Indigo2, as well as certain
382 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
383 that runs on these, say Y here.
384
385config SGI_IP27
3fa986fa 386 bool "SGI IP27 (Origin200/2000)"
1da177e4
LT
387 select ARC
388 select ARC64
5e83d430 389 select BOOT_ELF64
e2defae5 390 select DEFAULT_SGI_PARTITION
634286f1 391 select DMA_COHERENT
36a88530 392 select SYS_HAS_EARLY_PRINTK
1da177e4 393 select HW_HAS_PCI
130e2fb7 394 select NR_CPUS_DEFAULT_64
7cf8053b 395 select SYS_HAS_CPU_R10000
ed5ba2fb 396 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 397 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 398 select SYS_SUPPORTS_NUMA
1a5c5de1 399 select SYS_SUPPORTS_SMP
1da177e4
LT
400 help
401 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
402 workstations. To compile a Linux kernel that runs on these, say Y
403 here.
404
e2defae5
TB
405config SGI_IP28
406 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
407 depends on EXPERIMENTAL
408 select ARC
409 select ARC64
410 select BOOT_ELF64
411 select CEVT_R4K
412 select CSRC_R4K
413 select DEFAULT_SGI_PARTITION
414 select DMA_NONCOHERENT
415 select GENERIC_ISA_DMA_SUPPORT_BROKEN
416 select IRQ_CPU
417 select HW_HAS_EISA
418 select I8253
419 select I8259
e2defae5
TB
420 select SGI_HAS_I8042
421 select SGI_HAS_INDYDOG
5b438c44 422 select SGI_HAS_HAL2
e2defae5
TB
423 select SGI_HAS_SEEQ
424 select SGI_HAS_WD93
425 select SGI_HAS_ZILOG
426 select SWAP_IO_SPACE
427 select SYS_HAS_CPU_R10000
2b5e63f6
MM
428 #
429 # Disable EARLY_PRINTK for now since it leads to overwritten prom
430 # memory during early boot on some machines.
431 #
432 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
433 # for a more details discussion
434 #
435 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
436 select SYS_SUPPORTS_64BIT_KERNEL
437 select SYS_SUPPORTS_BIG_ENDIAN
438 help
439 This is the SGI Indigo2 with R10000 processor. To compile a Linux
440 kernel that runs on these, say Y here.
441
1da177e4 442config SGI_IP32
cfd2afc0 443 bool "SGI IP32 (O2)"
1da177e4
LT
444 select ARC
445 select ARC32
446 select BOOT_ELF32
42f77542 447 select CEVT_R4K
940f6b48 448 select CSRC_R4K
1da177e4
LT
449 select DMA_NONCOHERENT
450 select HW_HAS_PCI
dd67b155 451 select IRQ_CPU
1da177e4
LT
452 select R5000_CPU_SCACHE
453 select RM7000_CPU_SCACHE
7cf8053b
RB
454 select SYS_HAS_CPU_R5000
455 select SYS_HAS_CPU_R10000 if BROKEN
456 select SYS_HAS_CPU_RM7000
dd2f18fe 457 select SYS_HAS_CPU_NEVADA
ed5ba2fb 458 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 459 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 460 help
5e83d430 461 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 462
ade299d8
YY
463config SIBYTE_CRHINE
464 bool "Sibyte BCM91120C-CRhine"
465 depends on EXPERIMENTAL
9a6dcea1
AI
466 select BOOT_ELF32
467 select DMA_COHERENT
ade299d8 468 select SIBYTE_BCM1120
9a6dcea1 469 select SWAP_IO_SPACE
7cf8053b 470 select SYS_HAS_CPU_SB1
9a6dcea1
AI
471 select SYS_SUPPORTS_BIG_ENDIAN
472 select SYS_SUPPORTS_LITTLE_ENDIAN
473
ade299d8
YY
474config SIBYTE_CARMEL
475 bool "Sibyte BCM91120x-Carmel"
476 depends on EXPERIMENTAL
5e83d430 477 select BOOT_ELF32
1da177e4 478 select DMA_COHERENT
ade299d8 479 select SIBYTE_BCM1120
5e83d430 480 select SWAP_IO_SPACE
7cf8053b 481 select SYS_HAS_CPU_SB1
81731f79 482 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 483 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 484
ade299d8
YY
485config SIBYTE_CRHONE
486 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
487 depends on EXPERIMENTAL
488 select BOOT_ELF32
489 select DMA_COHERENT
ade299d8 490 select SIBYTE_BCM1125
5e83d430 491 select SWAP_IO_SPACE
7cf8053b 492 select SYS_HAS_CPU_SB1
5e83d430 493 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 494 select SYS_SUPPORTS_HIGHMEM
5e83d430 495 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 496
5e83d430 497config SIBYTE_RHONE
3fa986fa 498 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
499 depends on EXPERIMENTAL
500 select BOOT_ELF32
501 select DMA_COHERENT
502 select SIBYTE_BCM1125H
503 select SWAP_IO_SPACE
7cf8053b 504 select SYS_HAS_CPU_SB1
5e83d430
RB
505 select SYS_SUPPORTS_BIG_ENDIAN
506 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 507
ade299d8
YY
508config SIBYTE_SWARM
509 bool "Sibyte BCM91250A-SWARM"
5e83d430 510 select BOOT_ELF32
26a940e2 511 select DMA_COHERENT
fcf3ca4c 512 select HAVE_PATA_PLATFORM
ade299d8
YY
513 select NR_CPUS_DEFAULT_2
514 select SIBYTE_SB1250
5e83d430 515 select SWAP_IO_SPACE
7cf8053b 516 select SYS_HAS_CPU_SB1
5e83d430 517 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 518 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 519 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 520 select ZONE_DMA32 if 64BIT
e3ad1c23 521
ade299d8
YY
522config SIBYTE_LITTLESUR
523 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
524 depends on EXPERIMENTAL
525 select BOOT_ELF32
526 select DMA_COHERENT
fcf3ca4c 527 select HAVE_PATA_PLATFORM
130e2fb7 528 select NR_CPUS_DEFAULT_2
5e83d430
RB
529 select SIBYTE_SB1250
530 select SWAP_IO_SPACE
7cf8053b 531 select SYS_HAS_CPU_SB1
5e83d430
RB
532 select SYS_SUPPORTS_BIG_ENDIAN
533 select SYS_SUPPORTS_HIGHMEM
534 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 535
ade299d8
YY
536config SIBYTE_SENTOSA
537 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
538 depends on EXPERIMENTAL
539 select BOOT_ELF32
540 select DMA_COHERENT
130e2fb7 541 select NR_CPUS_DEFAULT_2
5e83d430
RB
542 select SIBYTE_SB1250
543 select SWAP_IO_SPACE
7cf8053b 544 select SYS_HAS_CPU_SB1
5e83d430 545 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 546 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 547
ade299d8
YY
548config SIBYTE_BIGSUR
549 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
550 select BOOT_ELF32
551 select DMA_COHERENT
ade299d8 552 select NR_CPUS_DEFAULT_4
ade299d8 553 select SIBYTE_BCM1x80
5e83d430 554 select SWAP_IO_SPACE
7cf8053b 555 select SYS_HAS_CPU_SB1
5e83d430 556 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 557 select SYS_SUPPORTS_HIGHMEM
5e83d430 558 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 559 select ZONE_DMA32 if 64BIT
1da177e4 560
14b36af4
TB
561config SNI_RM
562 bool "SNI RM200/300/400"
4a0312fc
TB
563 select ARC if CPU_LITTLE_ENDIAN
564 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 565 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 566 select ARCH_MAY_HAVE_PC_FDC
1da177e4 567 select BOOT_ELF32
42f77542 568 select CEVT_R4K
940f6b48 569 select CSRC_R4K
e2defae5 570 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
571 select DMA_NONCOHERENT
572 select GENERIC_ISA_DMA
5e83d430 573 select HW_HAS_EISA
1da177e4 574 select HW_HAS_PCI
c066a32a 575 select IRQ_CPU
d865bea4 576 select I8253
1da177e4
LT
577 select I8259
578 select ISA
4a0312fc 579 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 580 select SYS_HAS_CPU_R4X00
4a0312fc 581 select SYS_HAS_CPU_R5000
c066a32a 582 select SYS_HAS_CPU_R10000
4a0312fc 583 select R5000_CPU_SCACHE
36a88530 584 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
585 select SYS_SUPPORTS_32BIT_KERNEL
586 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 587 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 588 select SYS_SUPPORTS_HIGHMEM
5e83d430 589 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 590 help
14b36af4
TB
591 The SNI RM200/300/400 are MIPS-based machines manufactured by
592 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
593 Technology and now in turn merged with Fujitsu. Say Y here to
594 support this machine type.
595
edcaf1a6
AN
596config MACH_TX39XX
597 bool "Toshiba TX39 series based machines"
5e83d430 598
edcaf1a6
AN
599config MACH_TX49XX
600 bool "Toshiba TX49 series based machines"
5e83d430 601
73b4390f
RB
602config MIKROTIK_RB532
603 bool "Mikrotik RB532 boards"
604 select CEVT_R4K
605 select CSRC_R4K
606 select DMA_NONCOHERENT
73b4390f
RB
607 select HW_HAS_PCI
608 select IRQ_CPU
609 select SYS_HAS_CPU_MIPS32_R1
610 select SYS_SUPPORTS_32BIT_KERNEL
611 select SYS_SUPPORTS_LITTLE_ENDIAN
612 select SWAP_IO_SPACE
613 select BOOT_RAW
d888e25b 614 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
615 help
616 Support the Mikrotik(tm) RouterBoard 532 series,
617 based on the IDT RC32434 SoC.
618
ade299d8
YY
619config WR_PPMC
620 bool "Wind River PPMC board"
42f77542 621 select CEVT_R4K
940f6b48 622 select CSRC_R4K
ade299d8
YY
623 select IRQ_CPU
624 select BOOT_ELF32
625 select DMA_NONCOHERENT
626 select HW_HAS_PCI
627 select PCI_GT64XXX_PCI0
628 select SWAP_IO_SPACE
629 select SYS_HAS_CPU_MIPS32_R1
630 select SYS_HAS_CPU_MIPS32_R2
631 select SYS_HAS_CPU_MIPS64_R1
632 select SYS_HAS_CPU_NEVADA
633 select SYS_HAS_CPU_RM7000
634 select SYS_SUPPORTS_32BIT_KERNEL
635 select SYS_SUPPORTS_64BIT_KERNEL
636 select SYS_SUPPORTS_BIG_ENDIAN
637 select SYS_SUPPORTS_LITTLE_ENDIAN
638 help
639 This enables support for the Wind River MIPS32 4KC PPMC evaluation
640 board, which is based on GT64120 bridge chip.
641
a86c7f72 642config CAVIUM_OCTEON_SIMULATOR
c9d89d97 643 bool "Cavium Networks Octeon Simulator"
a86c7f72
DD
644 select CEVT_R4K
645 select 64BIT_PHYS_ADDR
646 select DMA_COHERENT
647 select SYS_SUPPORTS_64BIT_KERNEL
648 select SYS_SUPPORTS_BIG_ENDIAN
649 select SYS_SUPPORTS_HIGHMEM
773cb77d 650 select SYS_SUPPORTS_HOTPLUG_CPU
5e683389 651 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
652 help
653 The Octeon simulator is software performance model of the Cavium
654 Octeon Processor. It supports simulating Octeon processors on x86
655 hardware.
656
657config CAVIUM_OCTEON_REFERENCE_BOARD
c9d89d97 658 bool "Cavium Networks Octeon reference board"
a86c7f72
DD
659 select CEVT_R4K
660 select 64BIT_PHYS_ADDR
661 select DMA_COHERENT
662 select SYS_SUPPORTS_64BIT_KERNEL
663 select SYS_SUPPORTS_BIG_ENDIAN
664 select SYS_SUPPORTS_HIGHMEM
773cb77d 665 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 666 select SYS_HAS_EARLY_PRINTK
5e683389 667 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 668 select SWAP_IO_SPACE
e8635b48
DD
669 select HW_HAS_PCI
670 select ARCH_SUPPORTS_MSI
a86c7f72
DD
671 help
672 This option supports all of the Octeon reference boards from Cavium
673 Networks. It builds a kernel that dynamically determines the Octeon
674 CPU type and supports all known board reference implementations.
675 Some of the supported boards are:
676 EBT3000
677 EBH3000
678 EBH3100
679 Thunder
680 Kodama
681 Hikari
682 Say Y here for most Octeon reference boards.
683
5e83d430 684endchoice
1da177e4 685
e8c7c482 686source "arch/mips/alchemy/Kconfig"
e7300d04 687source "arch/mips/bcm63xx/Kconfig"
5e83d430 688source "arch/mips/jazz/Kconfig"
1f21d2bd 689source "arch/mips/lasat/Kconfig"
5e83d430 690source "arch/mips/pmc-sierra/Kconfig"
a3a0f8c8 691source "arch/mips/powertv/Kconfig"
29c48699 692source "arch/mips/sgi-ip27/Kconfig"
38b18f72 693source "arch/mips/sibyte/Kconfig"
22b1d707 694source "arch/mips/txx9/Kconfig"
5e83d430 695source "arch/mips/vr41xx/Kconfig"
a86c7f72 696source "arch/mips/cavium-octeon/Kconfig"
85749d24 697source "arch/mips/loongson/Kconfig"
38b18f72 698
5e83d430
RB
699endmenu
700
1da177e4
LT
701config RWSEM_GENERIC_SPINLOCK
702 bool
703 default y
704
705config RWSEM_XCHGADD_ALGORITHM
706 bool
707
f0d1b0b3
DH
708config ARCH_HAS_ILOG2_U32
709 bool
710 default n
711
712config ARCH_HAS_ILOG2_U64
713 bool
714 default n
715
00a58253
RB
716config ARCH_SUPPORTS_OPROFILE
717 bool
718 default y if !MIPS_MT_SMTC
719
3c9ee7ef
AM
720config GENERIC_FIND_NEXT_BIT
721 bool
722 default y
723
724config GENERIC_HWEIGHT
725 bool
726 default y
727
1da177e4
LT
728config GENERIC_CALIBRATE_DELAY
729 bool
730 default y
731
7bcf7717
RB
732config GENERIC_CLOCKEVENTS
733 bool
734 default y
735
8db02010
RB
736config GENERIC_TIME
737 bool
738 default y
739
f5ff0a28
RB
740config GENERIC_CMOS_UPDATE
741 bool
742 default y
743
ae1e9130 744config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
745 bool
746 default y
747
e77c232c 748config GENERIC_HARDIRQS_NO__DO_IRQ
c87e0909 749 def_bool y
e77c232c 750
1da177e4
LT
751#
752# Select some configuration options automatically based on user selections.
753#
754config ARC
755 bool
1da177e4 756
61ed242d
RB
757config ARCH_MAY_HAVE_PC_FDC
758 bool
759
9267a30d
MSJ
760config BOOT_RAW
761 bool
762
217dd11e
RB
763config CEVT_BCM1480
764 bool
765
6457d9fc
YY
766config CEVT_DS1287
767 bool
768
1097c6ac
YY
769config CEVT_GT641XX
770 bool
771
779e7d41
ML
772config CEVT_R4K_LIB
773 bool
774
42f77542 775config CEVT_R4K
779e7d41 776 select CEVT_R4K_LIB
42f77542
RB
777 bool
778
217dd11e
RB
779config CEVT_SB1250
780 bool
781
229f773e
AN
782config CEVT_TXX9
783 bool
784
217dd11e
RB
785config CSRC_BCM1480
786 bool
787
4247417d
YY
788config CSRC_IOASIC
789 bool
790
a3a0f8c8
DV
791config CSRC_POWERTV
792 bool
793
779e7d41
ML
794config CSRC_R4K_LIB
795 bool
796
940f6b48 797config CSRC_R4K
779e7d41 798 select CSRC_R4K_LIB
940f6b48
RB
799 bool
800
217dd11e
RB
801config CSRC_SB1250
802 bool
803
a9aec7fe
AN
804config GPIO_TXX9
805 select GENERIC_GPIO
7444a72e 806 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
807 bool
808
df78b5c8
AJ
809config CFE
810 bool
811
4ce588cd 812config DMA_COHERENT
1da177e4
LT
813 bool
814
4ce588cd
RB
815config DMA_NONCOHERENT
816 bool
e1e02b32 817 select NEED_DMA_MAP_STATE
4ce588cd 818
e1e02b32 819config NEED_DMA_MAP_STATE
1da177e4
LT
820 bool
821
36a88530 822config SYS_HAS_EARLY_PRINTK
1da177e4 823 bool
1da177e4 824
dbb74540 825config HOTPLUG_CPU
1b2bc75c
RB
826 bool "Support for hot-pluggable CPUs"
827 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
828 help
829 Say Y here to allow turning CPUs off and on. CPUs can be
830 controlled through /sys/devices/system/cpu.
831 (Note: power management support will enable this option
832 automatically on SMP systems. )
833 Say N if you want to disable CPU hotplug.
834
835config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 836 bool
dbb74540 837
1da177e4
LT
838config I8259
839 bool
1da177e4 840
1da177e4
LT
841config MIPS_BONITO64
842 bool
1da177e4
LT
843
844config MIPS_MSC
845 bool
1da177e4 846
1f21d2bd
BM
847config MIPS_NILE4
848 bool
849
1da177e4
LT
850config MIPS_DISABLE_OBSOLETE_IDE
851 bool
852
39b8d525
RB
853config SYNC_R4K
854 bool
855
d388d685
MR
856config NO_IOPORT
857 def_bool n
858
8313da30
RB
859config GENERIC_ISA_DMA
860 bool
861 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
862
aa414dff
RB
863config GENERIC_ISA_DMA_SUPPORT_BROKEN
864 bool
8313da30 865 select GENERIC_ISA_DMA
aa414dff 866
09663335
YY
867config GENERIC_GPIO
868 bool
869
5e83d430 870#
3cb2fccc 871# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
872# answer,so we try hard to limit the available choices. Also the use of a
873# choice statement should be more obvious to the user.
874#
875choice
876 prompt "Endianess selection"
1da177e4
LT
877 help
878 Some MIPS machines can be configured for either little or big endian
5e83d430 879 byte order. These modes require different kernels and a different
3cb2fccc 880 Linux distribution. In general there is one preferred byteorder for a
5e83d430 881 particular system but some systems are just as commonly used in the
3dde6ad8 882 one or the other endianness.
5e83d430
RB
883
884config CPU_BIG_ENDIAN
885 bool "Big endian"
886 depends on SYS_SUPPORTS_BIG_ENDIAN
887
888config CPU_LITTLE_ENDIAN
889 bool "Little endian"
890 depends on SYS_SUPPORTS_LITTLE_ENDIAN
891 help
892
893endchoice
894
2116245e
RB
895config SYS_SUPPORTS_APM_EMULATION
896 bool
897
5e83d430
RB
898config SYS_SUPPORTS_BIG_ENDIAN
899 bool
900
901config SYS_SUPPORTS_LITTLE_ENDIAN
902 bool
1da177e4 903
9cffd154
DD
904config SYS_SUPPORTS_HUGETLBFS
905 bool
906 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
907 default y
908
1da177e4
LT
909config IRQ_CPU
910 bool
911
912config IRQ_CPU_RM7K
913 bool
914
5e83d430
RB
915config IRQ_CPU_RM9K
916 bool
917
9267a30d
MSJ
918config IRQ_MSP_SLP
919 bool
920
921config IRQ_MSP_CIC
922 bool
923
8420fd00
AN
924config IRQ_TXX9
925 bool
926
d5ab1a69
YY
927config IRQ_GT641XX
928 bool
929
39b8d525
RB
930config IRQ_GIC
931 bool
932
a86c7f72
DD
933config IRQ_CPU_OCTEON
934 bool
935
1da177e4
LT
936config MIPS_BOARDS_GEN
937 bool
1da177e4 938
252161ec 939config PCI_GT64XXX_PCI0
1da177e4 940 bool
1da177e4 941
9267a30d
MSJ
942config NO_EXCEPT_FILL
943 bool
944
663c3d90 945config MIPS_RM9122
946 bool
947 select SERIAL_RM9000
663c3d90 948
a83860c2
RB
949config SOC_EMMA2RH
950 bool
951 select CEVT_R4K
952 select CSRC_R4K
953 select DMA_NONCOHERENT
954 select IRQ_CPU
955 select SWAP_IO_SPACE
956 select SYS_HAS_CPU_R5500
957 select SYS_SUPPORTS_32BIT_KERNEL
958 select SYS_SUPPORTS_64BIT_KERNEL
959 select SYS_SUPPORTS_BIG_ENDIAN
960
edb6310a
DL
961config SOC_PNX833X
962 bool
963 select CEVT_R4K
964 select CSRC_R4K
965 select IRQ_CPU
966 select DMA_NONCOHERENT
967 select SYS_HAS_CPU_MIPS32_R2
968 select SYS_SUPPORTS_32BIT_KERNEL
969 select SYS_SUPPORTS_LITTLE_ENDIAN
970 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
971 select GENERIC_GPIO
972 select CPU_MIPSR2_IRQ_VI
973
974config SOC_PNX8335
975 bool
976 select SOC_PNX833X
977
bdf21b18
PP
978config PNX8550
979 bool
980 select SOC_PNX8550
981
982config SOC_PNX8550
983 bool
bdf21b18
PP
984 select DMA_NONCOHERENT
985 select HW_HAS_PCI
b8c2a77c 986 select SYS_HAS_CPU_MIPS32_R1
36a88530 987 select SYS_HAS_EARLY_PRINTK
7cf8053b 988 select SYS_SUPPORTS_32BIT_KERNEL
4ead1681 989 select GENERIC_GPIO
bdf21b18 990
1da177e4
LT
991config SWAP_IO_SPACE
992 bool
993
663c3d90 994config SERIAL_RM9000
995 bool
996
e2defae5
TB
997config SGI_HAS_INDYDOG
998 bool
999
5b438c44
TB
1000config SGI_HAS_HAL2
1001 bool
1002
e2defae5
TB
1003config SGI_HAS_SEEQ
1004 bool
1005
1006config SGI_HAS_WD93
1007 bool
1008
1009config SGI_HAS_ZILOG
1010 bool
1011
1012config SGI_HAS_I8042
1013 bool
1014
1015config DEFAULT_SGI_PARTITION
1016 bool
1017
5e83d430
RB
1018config ARC32
1019 bool
1020
231a35d3
TB
1021config SNIPROM
1022 bool
1023
1da177e4
LT
1024config BOOT_ELF32
1025 bool
1da177e4
LT
1026
1027config MIPS_L1_CACHE_SHIFT
1028 int
c7088755 1029 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
0db2b74e 1030 default "6" if MIPS_CPU_SCACHE
a86c7f72 1031 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1da177e4
LT
1032 default "5"
1033
1da177e4
LT
1034config HAVE_STD_PC_SERIAL_PORT
1035 bool
1036
1da177e4
LT
1037config ARC_CONSOLE
1038 bool "ARC console support"
e2defae5 1039 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1040
1041config ARC_MEMORY
1042 bool
14b36af4 1043 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1044 default y
1045
1046config ARC_PROMLIB
1047 bool
e2defae5 1048 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1049 default y
1050
1051config ARC64
1052 bool
1da177e4
LT
1053
1054config BOOT_ELF64
1055 bool
1da177e4 1056
1da177e4
LT
1057menu "CPU selection"
1058
1059choice
1060 prompt "CPU type"
1061 default CPU_R4X00
1062
3702bba5
WZ
1063config CPU_LOONGSON2E
1064 bool "Loongson 2E"
1065 depends on SYS_HAS_CPU_LOONGSON2E
1066 select CPU_LOONGSON2
2a21c730
FZ
1067 help
1068 The Loongson 2E processor implements the MIPS III instruction set
1069 with many extensions.
1070
6f7a251a
WZ
1071 It has an internal FPGA northbridge, which is compatiable to
1072 bonito64.
1073
1074config CPU_LOONGSON2F
1075 bool "Loongson 2F"
1076 depends on SYS_HAS_CPU_LOONGSON2F
1077 select CPU_LOONGSON2
c197da91
AP
1078 select GENERIC_GPIO
1079 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1080 help
1081 The Loongson 2F processor implements the MIPS III instruction set
1082 with many extensions.
1083
1084 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1085 have a similar programming interface with FPGA northbridge used in
1086 Loongson2E.
1087
6e760c8d
RB
1088config CPU_MIPS32_R1
1089 bool "MIPS32 Release 1"
7cf8053b 1090 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1091 select CPU_HAS_PREFETCH
797798c1 1092 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1093 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1094 help
5e83d430 1095 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1096 MIPS32 architecture. Most modern embedded systems with a 32-bit
1097 MIPS processor are based on a MIPS32 processor. If you know the
1098 specific type of processor in your system, choose those that one
1099 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1100 Release 2 of the MIPS32 architecture is available since several
1101 years so chances are you even have a MIPS32 Release 2 processor
1102 in which case you should choose CPU_MIPS32_R2 instead for better
1103 performance.
1104
1105config CPU_MIPS32_R2
1106 bool "MIPS32 Release 2"
7cf8053b 1107 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1108 select CPU_HAS_PREFETCH
797798c1 1109 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1110 select CPU_SUPPORTS_HIGHMEM
6e760c8d 1111 help
5e83d430 1112 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1113 MIPS32 architecture. Most modern embedded systems with a 32-bit
1114 MIPS processor are based on a MIPS32 processor. If you know the
1115 specific type of processor in your system, choose those that one
1116 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1117
1118config CPU_MIPS64_R1
1119 bool "MIPS64 Release 1"
7cf8053b 1120 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1121 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1122 select CPU_SUPPORTS_32BIT_KERNEL
1123 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1124 select CPU_SUPPORTS_HIGHMEM
9cffd154 1125 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1126 help
1127 Choose this option to build a kernel for release 1 or later of the
1128 MIPS64 architecture. Many modern embedded systems with a 64-bit
1129 MIPS processor are based on a MIPS64 processor. If you know the
1130 specific type of processor in your system, choose those that one
1131 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1132 Release 2 of the MIPS64 architecture is available since several
1133 years so chances are you even have a MIPS64 Release 2 processor
1134 in which case you should choose CPU_MIPS64_R2 instead for better
1135 performance.
1136
1137config CPU_MIPS64_R2
1138 bool "MIPS64 Release 2"
7cf8053b 1139 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1140 select CPU_HAS_PREFETCH
1e5f1caa
RB
1141 select CPU_SUPPORTS_32BIT_KERNEL
1142 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1143 select CPU_SUPPORTS_HIGHMEM
9cffd154 1144 select CPU_SUPPORTS_HUGEPAGES
1e5f1caa
RB
1145 help
1146 Choose this option to build a kernel for release 2 or later of the
1147 MIPS64 architecture. Many modern embedded systems with a 64-bit
1148 MIPS processor are based on a MIPS64 processor. If you know the
1149 specific type of processor in your system, choose those that one
1150 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1151
1152config CPU_R3000
1153 bool "R3000"
7cf8053b 1154 depends on SYS_HAS_CPU_R3000
f7062ddb 1155 select CPU_HAS_WB
ed5ba2fb 1156 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1157 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1158 help
1159 Please make sure to pick the right CPU type. Linux/MIPS is not
1160 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1161 *not* work on R4000 machines and vice versa. However, since most
1162 of the supported machines have an R4000 (or similar) CPU, R4x00
1163 might be a safe bet. If the resulting kernel does not work,
1164 try to recompile with R3000.
1165
1166config CPU_TX39XX
1167 bool "R39XX"
7cf8053b 1168 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1169 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1170
1171config CPU_VR41XX
1172 bool "R41xx"
7cf8053b 1173 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1174 select CPU_SUPPORTS_32BIT_KERNEL
1175 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1176 help
5e83d430 1177 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1178 Only choose this option if you have one of these processors as a
1179 kernel built with this option will not run on any other type of
1180 processor or vice versa.
1181
1182config CPU_R4300
1183 bool "R4300"
7cf8053b 1184 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1185 select CPU_SUPPORTS_32BIT_KERNEL
1186 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1187 help
1188 MIPS Technologies R4300-series processors.
1189
1190config CPU_R4X00
1191 bool "R4x00"
7cf8053b 1192 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1193 select CPU_SUPPORTS_32BIT_KERNEL
1194 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1195 help
1196 MIPS Technologies R4000-series processors other than 4300, including
1197 the R4000, R4400, R4600, and 4700.
1198
1199config CPU_TX49XX
1200 bool "R49XX"
7cf8053b 1201 depends on SYS_HAS_CPU_TX49XX
de862b48 1202 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1203 select CPU_SUPPORTS_32BIT_KERNEL
1204 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1205
1206config CPU_R5000
1207 bool "R5000"
7cf8053b 1208 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1209 select CPU_SUPPORTS_32BIT_KERNEL
1210 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1211 help
1212 MIPS Technologies R5000-series processors other than the Nevada.
1213
1214config CPU_R5432
1215 bool "R5432"
7cf8053b 1216 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1217 select CPU_SUPPORTS_32BIT_KERNEL
1218 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1219
542c1020
SK
1220config CPU_R5500
1221 bool "R5500"
1222 depends on SYS_HAS_CPU_R5500
542c1020
SK
1223 select CPU_SUPPORTS_32BIT_KERNEL
1224 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1225 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1226 help
1227 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1228 instruction set.
1229
1da177e4
LT
1230config CPU_R6000
1231 bool "R6000"
ed5ba2fb 1232 depends on EXPERIMENTAL
7cf8053b 1233 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1234 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1235 help
1236 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1237 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1238
1239config CPU_NEVADA
1240 bool "RM52xx"
7cf8053b 1241 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1242 select CPU_SUPPORTS_32BIT_KERNEL
1243 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1244 help
1245 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1246
1247config CPU_R8000
1248 bool "R8000"
ed5ba2fb 1249 depends on EXPERIMENTAL
7cf8053b 1250 depends on SYS_HAS_CPU_R8000
5e83d430 1251 select CPU_HAS_PREFETCH
ed5ba2fb 1252 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1253 help
1254 MIPS Technologies R8000 processors. Note these processors are
1255 uncommon and the support for them is incomplete.
1256
1257config CPU_R10000
1258 bool "R10000"
7cf8053b 1259 depends on SYS_HAS_CPU_R10000
5e83d430 1260 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1261 select CPU_SUPPORTS_32BIT_KERNEL
1262 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1263 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1264 help
1265 MIPS Technologies R10000-series processors.
1266
1267config CPU_RM7000
1268 bool "RM7000"
7cf8053b 1269 depends on SYS_HAS_CPU_RM7000
5e83d430 1270 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1271 select CPU_SUPPORTS_32BIT_KERNEL
1272 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1273 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1274
1275config CPU_RM9000
1276 bool "RM9000"
7cf8053b 1277 depends on SYS_HAS_CPU_RM9000
5e83d430 1278 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1279 select CPU_SUPPORTS_32BIT_KERNEL
1280 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1281 select CPU_SUPPORTS_HIGHMEM
0004a9df 1282 select WEAK_ORDERING
1da177e4
LT
1283
1284config CPU_SB1
1285 bool "SB1"
7cf8053b 1286 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1287 select CPU_SUPPORTS_32BIT_KERNEL
1288 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1289 select CPU_SUPPORTS_HIGHMEM
0004a9df 1290 select WEAK_ORDERING
1da177e4 1291
a86c7f72
DD
1292config CPU_CAVIUM_OCTEON
1293 bool "Cavium Octeon processor"
5e683389 1294 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1295 select IRQ_CPU
1296 select IRQ_CPU_OCTEON
1297 select CPU_HAS_PREFETCH
1298 select CPU_SUPPORTS_64BIT_KERNEL
1299 select SYS_SUPPORTS_SMP
1300 select NR_CPUS_DEFAULT_16
1301 select WEAK_ORDERING
a86c7f72 1302 select CPU_SUPPORTS_HIGHMEM
9cffd154 1303 select CPU_SUPPORTS_HUGEPAGES
a86c7f72
DD
1304 help
1305 The Cavium Octeon processor is a highly integrated chip containing
1306 many ethernet hardware widgets for networking tasks. The processor
1307 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1308 Full details can be found at http://www.caviumnetworks.com.
1309
1da177e4
LT
1310endchoice
1311
622844bf
WZ
1312if CPU_LOONGSON2F
1313config CPU_NOP_WORKAROUNDS
1314 bool
1315
1316config CPU_JUMP_WORKAROUNDS
1317 bool
1318
1319config CPU_LOONGSON2F_WORKAROUNDS
1320 bool "Loongson 2F Workarounds"
1321 default y
1322 select CPU_NOP_WORKAROUNDS
1323 select CPU_JUMP_WORKAROUNDS
1324 help
1325 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1326 require workarounds. Without workarounds the system may hang
1327 unexpectedly. For more information please refer to the gas
1328 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1329
1330 Loongson 2F03 and later have fixed these issues and no workarounds
1331 are needed. The workarounds have no significant side effect on them
1332 but may decrease the performance of the system so this option should
1333 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1334 systems.
1335
1336 If unsure, please say Y.
1337endif # CPU_LOONGSON2F
1338
1b93b3c3
WZ
1339config SYS_SUPPORTS_ZBOOT
1340 bool
1341 select HAVE_KERNEL_GZIP
1342 select HAVE_KERNEL_BZIP2
1343 select HAVE_KERNEL_LZMA
fe1d45e0 1344 select HAVE_KERNEL_LZO
1b93b3c3
WZ
1345
1346config SYS_SUPPORTS_ZBOOT_UART16550
1347 bool
1348 select SYS_SUPPORTS_ZBOOT
1349
3702bba5
WZ
1350config CPU_LOONGSON2
1351 bool
1352 select CPU_SUPPORTS_32BIT_KERNEL
1353 select CPU_SUPPORTS_64BIT_KERNEL
1354 select CPU_SUPPORTS_HIGHMEM
1355
1356config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1357 bool
1358
6f7a251a
WZ
1359config SYS_HAS_CPU_LOONGSON2F
1360 bool
55045ff5
WZ
1361 select CPU_SUPPORTS_CPUFREQ
1362 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1363 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1364
7cf8053b
RB
1365config SYS_HAS_CPU_MIPS32_R1
1366 bool
1367
1368config SYS_HAS_CPU_MIPS32_R2
1369 bool
1370
1371config SYS_HAS_CPU_MIPS64_R1
1372 bool
1373
1374config SYS_HAS_CPU_MIPS64_R2
1375 bool
1376
1377config SYS_HAS_CPU_R3000
1378 bool
1379
1380config SYS_HAS_CPU_TX39XX
1381 bool
1382
1383config SYS_HAS_CPU_VR41XX
1384 bool
1385
1386config SYS_HAS_CPU_R4300
1387 bool
1388
1389config SYS_HAS_CPU_R4X00
1390 bool
1391
1392config SYS_HAS_CPU_TX49XX
1393 bool
1394
1395config SYS_HAS_CPU_R5000
1396 bool
1397
1398config SYS_HAS_CPU_R5432
1399 bool
1400
542c1020
SK
1401config SYS_HAS_CPU_R5500
1402 bool
1403
7cf8053b
RB
1404config SYS_HAS_CPU_R6000
1405 bool
1406
1407config SYS_HAS_CPU_NEVADA
1408 bool
1409
1410config SYS_HAS_CPU_R8000
1411 bool
1412
1413config SYS_HAS_CPU_R10000
1414 bool
1415
1416config SYS_HAS_CPU_RM7000
1417 bool
1418
1419config SYS_HAS_CPU_RM9000
1420 bool
1421
1422config SYS_HAS_CPU_SB1
1423 bool
1424
5e683389
DD
1425config SYS_HAS_CPU_CAVIUM_OCTEON
1426 bool
1427
17099b11
RB
1428#
1429# CPU may reorder R->R, R->W, W->R, W->W
1430# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1431#
0004a9df
RB
1432config WEAK_ORDERING
1433 bool
17099b11
RB
1434
1435#
1436# CPU may reorder reads and writes beyond LL/SC
1437# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1438#
1439config WEAK_REORDERING_BEYOND_LLSC
1440 bool
5e83d430
RB
1441endmenu
1442
1443#
c09b47d8 1444# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1445#
1446config CPU_MIPS32
1447 bool
1448 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1449
1450config CPU_MIPS64
1451 bool
1452 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1453
1454#
c09b47d8 1455# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1456#
1457config CPU_MIPSR1
1458 bool
1459 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1460
1461config CPU_MIPSR2
1462 bool
a86c7f72 1463 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1464
1465config SYS_SUPPORTS_32BIT_KERNEL
1466 bool
1467config SYS_SUPPORTS_64BIT_KERNEL
1468 bool
1469config CPU_SUPPORTS_32BIT_KERNEL
1470 bool
1471config CPU_SUPPORTS_64BIT_KERNEL
1472 bool
55045ff5
WZ
1473config CPU_SUPPORTS_CPUFREQ
1474 bool
1475config CPU_SUPPORTS_ADDRWINCFG
1476 bool
9cffd154
DD
1477config CPU_SUPPORTS_HUGEPAGES
1478 bool
22f1fdfd
WZ
1479config CPU_SUPPORTS_UNCACHED_ACCELERATED
1480 bool
82622284
DD
1481config MIPS_PGD_C0_CONTEXT
1482 bool
1483 default y if 64BIT && CPU_MIPSR2
5e83d430 1484
8192c9ea
DD
1485#
1486# Set to y for ptrace access to watch registers.
1487#
1488config HARDWARE_WATCHPOINTS
1489 bool
f839490a 1490 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1491
5e83d430
RB
1492menu "Kernel type"
1493
1494choice
1495
1496 prompt "Kernel code model"
1497 help
1498 You should only select this option if you have a workload that
1499 actually benefits from 64-bit processing or if your machine has
1500 large memory. You will only be presented a single option in this
1501 menu if your system does not support both 32-bit and 64-bit kernels.
1502
1503config 32BIT
1504 bool "32-bit kernel"
1505 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1506 select TRAD_SIGNALS
1507 help
1508 Select this option if you want to build a 32-bit kernel.
1509config 64BIT
1510 bool "64-bit kernel"
1511 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
dbda6ac0 1512 select HAVE_SYSCALL_WRAPPERS
5e83d430
RB
1513 help
1514 Select this option if you want to build a 64-bit kernel.
1515
1516endchoice
1517
1da177e4
LT
1518choice
1519 prompt "Kernel page size"
1520 default PAGE_SIZE_4KB
1521
1522config PAGE_SIZE_4KB
1523 bool "4kB"
315fe625 1524 depends on !CPU_LOONGSON2
1da177e4
LT
1525 help
1526 This option select the standard 4kB Linux page size. On some
1527 R3000-family processors this is the only available page size. Using
1528 4kB page size will minimize memory consumption and is therefore
1529 recommended for low memory systems.
1530
1531config PAGE_SIZE_8KB
1532 bool "8kB"
c52399be 1533 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1da177e4
LT
1534 help
1535 Using 8kB page size will result in higher performance kernel at
1536 the price of higher memory consumption. This option is available
c52399be
RB
1537 only on R8000 and cnMIPS processors. Note that you will need a
1538 suitable Linux distribution to support this.
1da177e4
LT
1539
1540config PAGE_SIZE_16KB
1541 bool "16kB"
714bfad6 1542 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1543 help
1544 Using 16kB page size will result in higher performance kernel at
1545 the price of higher memory consumption. This option is available on
714bfad6
RB
1546 all non-R3000 family processors. Note that you will need a suitable
1547 Linux distribution to support this.
1da177e4 1548
c52399be
RB
1549config PAGE_SIZE_32KB
1550 bool "32kB"
1551 depends on CPU_CAVIUM_OCTEON
1552 help
1553 Using 32kB page size will result in higher performance kernel at
1554 the price of higher memory consumption. This option is available
1555 only on cnMIPS cores. Note that you will need a suitable Linux
1556 distribution to support this.
1557
1da177e4
LT
1558config PAGE_SIZE_64KB
1559 bool "64kB"
1560 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1561 help
1562 Using 64kB page size will result in higher performance kernel at
1563 the price of higher memory consumption. This option is available on
1564 all non-R3000 family processor. Not that at the time of this
714bfad6 1565 writing this option is still high experimental.
1da177e4
LT
1566
1567endchoice
1568
1569config BOARD_SCACHE
1570 bool
1571
1572config IP22_CPU_SCACHE
1573 bool
1574 select BOARD_SCACHE
1575
9318c51a
CD
1576#
1577# Support for a MIPS32 / MIPS64 style S-caches
1578#
1579config MIPS_CPU_SCACHE
1580 bool
1581 select BOARD_SCACHE
1582
1da177e4
LT
1583config R5000_CPU_SCACHE
1584 bool
1585 select BOARD_SCACHE
1586
1587config RM7000_CPU_SCACHE
1588 bool
1589 select BOARD_SCACHE
1590
1591config SIBYTE_DMA_PAGEOPS
1592 bool "Use DMA to clear/copy pages"
1593 depends on CPU_SB1
1594 help
1595 Instead of using the CPU to zero and copy pages, use a Data Mover
1596 channel. These DMA channels are otherwise unused by the standard
1597 SiByte Linux port. Seems to give a small performance benefit.
1598
1599config CPU_HAS_PREFETCH
c8094b53 1600 bool
1da177e4 1601
340ee4b9
RB
1602choice
1603 prompt "MIPS MT options"
f41ae0b2
RB
1604
1605config MIPS_MT_DISABLED
1606 bool "Disable multithreading support."
1607 help
1608 Use this option if your workload can't take advantage of
1609 MIPS hardware multithreading support. On systems that don't have
1610 the option of an MT-enabled processor this option will be the only
1611 option in this menu.
340ee4b9 1612
59d6ab86
RB
1613config MIPS_MT_SMP
1614 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1615 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1616 select CPU_MIPSR2_IRQ_VI
d725cf38 1617 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1618 select MIPS_MT
f510aa3b 1619 select NR_CPUS_DEFAULT_2
41c594ab 1620 select SMP
0ab7aefc 1621 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1622 select SYS_SUPPORTS_SMP
87353d8a 1623 select SMP_UP
f41ae0b2 1624 help
59d6ab86
RB
1625 This is a kernel model which is also known a VSMP or lately
1626 has been marketesed into SMVP.
41c594ab 1627
59d6ab86
RB
1628config MIPS_MT_SMTC
1629 bool "SMTC: Use all TCs on all VPEs for SMP"
1630 depends on CPU_MIPS32_R2
1631 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1632 depends on SYS_SUPPORTS_MULTITHREADING
1633 select CPU_MIPSR2_IRQ_VI
d725cf38 1634 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1635 select MIPS_MT
130e2fb7 1636 select NR_CPUS_DEFAULT_8
340ee4b9 1637 select SMP
73b76c78 1638 select SYS_SUPPORTS_SMP
87353d8a 1639 select SMP_UP
f41ae0b2 1640 help
59d6ab86
RB
1641 This is a kernel model which is known a SMTC or lately has been
1642 marketesed into SMVP.
340ee4b9 1643
340ee4b9
RB
1644endchoice
1645
f41ae0b2
RB
1646config MIPS_MT
1647 bool
1648
0ab7aefc
RB
1649config SCHED_SMT
1650 bool "SMT (multithreading) scheduler support"
1651 depends on SYS_SUPPORTS_SCHED_SMT
1652 default n
1653 help
1654 SMT scheduler support improves the CPU scheduler's decision making
1655 when dealing with MIPS MT enabled cores at a cost of slightly
1656 increased overhead in some places. If unsure say N here.
1657
1658config SYS_SUPPORTS_SCHED_SMT
1659 bool
1660
1661
f41ae0b2
RB
1662config SYS_SUPPORTS_MULTITHREADING
1663 bool
1664
f088fc84
RB
1665config MIPS_MT_FPAFF
1666 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1667 default y
07cc0c9e
RB
1668 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1669
1670config MIPS_VPE_LOADER
1671 bool "VPE loader support."
1672 depends on SYS_SUPPORTS_MULTITHREADING
1673 select CPU_MIPSR2_IRQ_VI
1674 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1675 select MIPS_MT
1676 help
1677 Includes a loader for loading an elf relocatable object
1678 onto another VPE and running it.
f088fc84 1679
0db34215
KK
1680config MIPS_MT_SMTC_IM_BACKSTOP
1681 bool "Use per-TC register bits as backstop for inhibited IM bits"
1682 depends on MIPS_MT_SMTC
8531a35e 1683 default n
0db34215
KK
1684 help
1685 To support multiple TC microthreads acting as "CPUs" within
1686 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1687 during interrupt handling. To support legacy drivers and interrupt
1688 controller management code, SMTC has a "backstop" to track and
1689 if necessary restore the interrupt mask. This has some performance
8531a35e 1690 impact on interrupt service overhead.
0db34215 1691
f571eff0
KK
1692config MIPS_MT_SMTC_IRQAFF
1693 bool "Support IRQ affinity API"
1694 depends on MIPS_MT_SMTC
1695 default n
1696 help
1697 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1698 for SMTC Linux kernel. Requires platform support, of which
1699 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1700 platform code. Adds some overhead to interrupt dispatch, and
1701 should be used only if you know what you are doing.
f571eff0 1702
e01402b1
RB
1703config MIPS_VPE_LOADER_TOM
1704 bool "Load VPE program into memory hidden from linux"
1705 depends on MIPS_VPE_LOADER
1706 default y
1707 help
1708 The loader can use memory that is present but has been hidden from
1709 Linux using the kernel command line option "mem=xxMB". It's up to
1710 you to ensure the amount you put in the option and the space your
1711 program requires is less or equal to the amount physically present.
1712
1713# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1714config MIPS_VPE_APSP_API
5e83d430
RB
1715 bool "Enable support for AP/SP API (RTLX)"
1716 depends on MIPS_VPE_LOADER
1717 help
e01402b1 1718
2600990e
RB
1719config MIPS_APSP_KSPD
1720 bool "Enable KSPD"
1721 depends on MIPS_VPE_APSP_API
1722 default y
1723 help
1724 KSPD is a kernel daemon that accepts syscall requests from the SP
1725 side, actions them and returns the results. It also handles the
1726 "exit" syscall notifying other kernel modules the SP program is
1727 exiting. You probably want to say yes here.
1728
4a16ff4c
RB
1729config MIPS_CMP
1730 bool "MIPS CMP framework support"
1731 depends on SYS_SUPPORTS_MIPS_CMP
eb9b5141 1732 select SYNC_R4K
4a16ff4c
RB
1733 select SYS_SUPPORTS_SMP
1734 select SYS_SUPPORTS_SCHED_SMT if SMP
1735 select WEAK_ORDERING
1736 default n
1737 help
1738 This is a placeholder option for the GCMP work. It will need to
1739 be handled differently...
1740
1da177e4
LT
1741config SB1_PASS_1_WORKAROUNDS
1742 bool
1743 depends on CPU_SB1_PASS_1
1744 default y
1745
1746config SB1_PASS_2_WORKAROUNDS
1747 bool
1748 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1749 default y
1750
1751config SB1_PASS_2_1_WORKAROUNDS
1752 bool
1753 depends on CPU_SB1 && CPU_SB1_PASS_2
1754 default y
1755
1756config 64BIT_PHYS_ADDR
d806cb2b 1757 bool
1da177e4 1758
60ec6571 1759config ARCH_PHYS_ADDR_T_64BIT
1760 def_bool 64BIT_PHYS_ADDR
1761
9693a853
FBH
1762config CPU_HAS_SMARTMIPS
1763 depends on SYS_SUPPORTS_SMARTMIPS
1764 bool "Support for the SmartMIPS ASE"
1765 help
1766 SmartMIPS is a extension of the MIPS32 architecture aimed at
1767 increased security at both hardware and software level for
1768 smartcards. Enabling this option will allow proper use of the
1769 SmartMIPS instructions by Linux applications. However a kernel with
1770 this option will not work on a MIPS core without SmartMIPS core. If
1771 you don't know you probably don't have SmartMIPS and should say N
1772 here.
1773
1da177e4 1774config CPU_HAS_WB
f7062ddb 1775 bool
e01402b1 1776
f41ae0b2
RB
1777#
1778# Vectored interrupt mode is an R2 feature
1779#
e01402b1 1780config CPU_MIPSR2_IRQ_VI
f41ae0b2 1781 bool
e01402b1 1782
f41ae0b2
RB
1783#
1784# Extended interrupt mode is an R2 feature
1785#
e01402b1 1786config CPU_MIPSR2_IRQ_EI
f41ae0b2 1787 bool
e01402b1 1788
1da177e4
LT
1789config CPU_HAS_SYNC
1790 bool
1791 depends on !CPU_R3000
1792 default y
1793
ea580401
RB
1794config GENERIC_CLOCKEVENTS_BROADCAST
1795 bool
1796
20d60d99
MR
1797#
1798# CPU non-features
1799#
1800config CPU_DADDI_WORKAROUNDS
1801 bool
1802
1803config CPU_R4000_WORKAROUNDS
1804 bool
1805 select CPU_R4400_WORKAROUNDS
1806
1807config CPU_R4400_WORKAROUNDS
1808 bool
1809
797798c1
RB
1810#
1811# Use the generic interrupt handling code in kernel/irq/:
1812#
1813config GENERIC_HARDIRQS
1814 bool
1815 default y
1816
1817config GENERIC_IRQ_PROBE
1818 bool
1819 default y
1820
0d7012a9 1821config IRQ_PER_CPU
0d7012a9 1822 bool
0d7012a9 1823
1da177e4
LT
1824#
1825# - Highmem only makes sense for the 32-bit kernel.
1826# - The current highmem code will only work properly on physically indexed
1827# caches such as R3000, SB1, R7000 or those that look like they're virtually
1828# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1829# moment we protect the user and offer the highmem option only on machines
1830# where it's known to be safe. This will not offer highmem on a few systems
1831# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1832# indexed CPUs but we're playing safe.
797798c1
RB
1833# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1834# know they might have memory configurations that could make use of highmem
1835# support.
1da177e4
LT
1836#
1837config HIGHMEM
1838 bool "High Memory Support"
797798c1
RB
1839 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1840
1841config CPU_SUPPORTS_HIGHMEM
1842 bool
1843
1844config SYS_SUPPORTS_HIGHMEM
1845 bool
1da177e4 1846
9693a853
FBH
1847config SYS_SUPPORTS_SMARTMIPS
1848 bool
1849
b4819b59
YY
1850config ARCH_FLATMEM_ENABLE
1851 def_bool y
f133f22d 1852 depends on !NUMA && !CPU_LOONGSON2
b4819b59 1853
d8cb4e11
RB
1854config ARCH_DISCONTIGMEM_ENABLE
1855 bool
1856 default y if SGI_IP27
1857 help
3dde6ad8 1858 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1859 for architectures which are either NUMA (Non-Uniform Memory Access)
1860 or have huge holes in the physical address space for other reasons.
1861 See <file:Documentation/vm/numa> for more.
1862
cce335ae
RB
1863config ARCH_POPULATES_NODE_MAP
1864 def_bool y
1865
31473747
AN
1866config ARCH_SPARSEMEM_ENABLE
1867 bool
7de58fab 1868 select SPARSEMEM_STATIC
31473747 1869
d8cb4e11
RB
1870config NUMA
1871 bool "NUMA Support"
1872 depends on SYS_SUPPORTS_NUMA
1873 help
1874 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1875 Access). This option improves performance on systems with more
1876 than two nodes; on two node systems it is generally better to
1877 leave it disabled; on single node systems disable this option
1878 disabled.
1879
1880config SYS_SUPPORTS_NUMA
1881 bool
1882
c80d79d7
YG
1883config NODES_SHIFT
1884 int
1885 default "6"
1886 depends on NEED_MULTIPLE_NODES
1887
b4819b59
YY
1888source "mm/Kconfig"
1889
1da177e4
LT
1890config SMP
1891 bool "Multi-Processing support"
e73ea273 1892 depends on SYS_SUPPORTS_SMP
b4b30a5a 1893 select IRQ_PER_CPU
2f304c0a 1894 select USE_GENERIC_SMP_HELPERS
e73ea273 1895 help
1da177e4
LT
1896 This enables support for systems with more than one CPU. If you have
1897 a system with only one CPU, like most personal computers, say N. If
1898 you have a system with more than one CPU, say Y.
1899
1900 If you say N here, the kernel will run on single and multiprocessor
1901 machines, but will use only one CPU of a multiprocessor machine. If
1902 you say Y here, the kernel will run on many, but not all,
1903 singleprocessor machines. On a singleprocessor machine, the kernel
1904 will run faster if you say N here.
1905
1906 People using multiprocessor machines who say Y here should also say
1907 Y to "Enhanced Real Time Clock Support", below.
1908
03502faa
AB
1909 See also the SMP-HOWTO available at
1910 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1911
1912 If you don't know what to do here, say N.
1913
87353d8a
RB
1914config SMP_UP
1915 bool
1916
4a16ff4c
RB
1917config SYS_SUPPORTS_MIPS_CMP
1918 bool
1919
e73ea273
RB
1920config SYS_SUPPORTS_SMP
1921 bool
1922
72ede9b1
AN
1923config NR_CPUS_DEFAULT_1
1924 bool
1925
130e2fb7
RB
1926config NR_CPUS_DEFAULT_2
1927 bool
1928
1929config NR_CPUS_DEFAULT_4
1930 bool
1931
1932config NR_CPUS_DEFAULT_8
1933 bool
1934
1935config NR_CPUS_DEFAULT_16
1936 bool
1937
1938config NR_CPUS_DEFAULT_32
1939 bool
1940
1941config NR_CPUS_DEFAULT_64
1942 bool
1943
1da177e4
LT
1944config NR_CPUS
1945 int "Maximum number of CPUs (2-64)"
72ede9b1 1946 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1947 depends on SMP
72ede9b1 1948 default "1" if NR_CPUS_DEFAULT_1
130e2fb7
RB
1949 default "2" if NR_CPUS_DEFAULT_2
1950 default "4" if NR_CPUS_DEFAULT_4
1951 default "8" if NR_CPUS_DEFAULT_8
1952 default "16" if NR_CPUS_DEFAULT_16
1953 default "32" if NR_CPUS_DEFAULT_32
1954 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
1955 help
1956 This allows you to specify the maximum number of CPUs which this
1957 kernel will support. The maximum supported value is 32 for 32-bit
1958 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1959 sense is 1 for Qemu (useful only for kernel debugging purposes)
1960 and 2 for all others.
1da177e4
LT
1961
1962 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1963 approximately eight kilobytes to the kernel image. For best
1964 performance should round up your number of processors to the next
1965 power of two.
1da177e4 1966
c4eee283
AN
1967source "kernel/time/Kconfig"
1968
1723b4a3
AN
1969#
1970# Timer Interrupt Frequency Configuration
1971#
1972
1973choice
1974 prompt "Timer frequency"
1975 default HZ_250
1976 help
1977 Allows the configuration of the timer frequency.
1978
1979 config HZ_48
0f873585 1980 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
1981
1982 config HZ_100
1983 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1984
1985 config HZ_128
1986 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1987
1988 config HZ_250
1989 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1990
1991 config HZ_256
1992 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1993
1994 config HZ_1000
1995 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1996
1997 config HZ_1024
1998 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1999
2000endchoice
2001
2002config SYS_SUPPORTS_48HZ
2003 bool
2004
2005config SYS_SUPPORTS_100HZ
2006 bool
2007
2008config SYS_SUPPORTS_128HZ
2009 bool
2010
2011config SYS_SUPPORTS_250HZ
2012 bool
2013
2014config SYS_SUPPORTS_256HZ
2015 bool
2016
2017config SYS_SUPPORTS_1000HZ
2018 bool
2019
2020config SYS_SUPPORTS_1024HZ
2021 bool
2022
2023config SYS_SUPPORTS_ARBIT_HZ
2024 bool
2025 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2026 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2027 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2028 !SYS_SUPPORTS_1024HZ
2029
2030config HZ
2031 int
2032 default 48 if HZ_48
2033 default 100 if HZ_100
2034 default 128 if HZ_128
2035 default 250 if HZ_250
2036 default 256 if HZ_256
2037 default 1000 if HZ_1000
2038 default 1024 if HZ_1024
2039
e80de850 2040source "kernel/Kconfig.preempt"
1da177e4 2041
1da177e4
LT
2042config MIPS_INSANE_LARGE
2043 bool "Support for large 64-bit configurations"
875d43e7 2044 depends on CPU_R10000 && 64BIT
1da177e4
LT
2045 help
2046 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
2047 previous 64-bit processors which only supported 40 bit / 1TB. If you
2048 need processes of more than 1TB virtual address space, say Y here.
2049 This will result in additional memory usage, so it is not
2050 recommended for normal users.
2051
ea6e942b
AN
2052config KEXEC
2053 bool "Kexec system call (EXPERIMENTAL)"
2054 depends on EXPERIMENTAL
2055 help
2056 kexec is a system call that implements the ability to shutdown your
2057 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2058 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2059 you can start any kernel with it, not just Linux.
2060
01dd2fbf 2061 The name comes from the similarity to the exec system call.
ea6e942b
AN
2062
2063 It is an ongoing process to be certain the hardware in a machine
2064 is properly shutdown, so do not be surprised if this code does not
2065 initially work for you. It may help to enable device hotplugging
2066 support. As of this writing the exact hardware interface is
2067 strongly in flux, so no good recommendation can be made.
2068
2069config SECCOMP
2070 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2071 depends on PROC_FS
ea6e942b
AN
2072 default y
2073 help
2074 This kernel feature is useful for number crunching applications
2075 that may need to compute untrusted bytecode during their
2076 execution. By using pipes or other transports made available to
2077 the process as file descriptors supporting the read/write
2078 syscalls, it's possible to isolate those applications in
2079 their own address space using seccomp. Once seccomp is
2080 enabled via /proc/<pid>/seccomp, it cannot be disabled
2081 and the task is only allowed to execute a few safe syscalls
2082 defined by each seccomp mode.
2083
2084 If unsure, say Y. Only embedded should say N here.
2085
5e83d430
RB
2086endmenu
2087
1df0f0ff
AN
2088config LOCKDEP_SUPPORT
2089 bool
2090 default y
2091
2092config STACKTRACE_SUPPORT
2093 bool
2094 default y
2095
b6c3539b
RB
2096source "init/Kconfig"
2097
dc52ddc0
MH
2098source "kernel/Kconfig.freezer"
2099
1da177e4
LT
2100menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2101
5e83d430
RB
2102config HW_HAS_EISA
2103 bool
1da177e4
LT
2104config HW_HAS_PCI
2105 bool
2106
2107config PCI
2108 bool "Support for PCI controller"
2109 depends on HW_HAS_PCI
abb4ae46 2110 select PCI_DOMAINS
1da177e4
LT
2111 help
2112 Find out whether you have a PCI motherboard. PCI is the name of a
2113 bus system, i.e. the way the CPU talks to the other stuff inside
2114 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2115 say Y, otherwise N.
2116
1da177e4
LT
2117config PCI_DOMAINS
2118 bool
1da177e4
LT
2119
2120source "drivers/pci/Kconfig"
2121
2122#
2123# ISA support is now enabled via select. Too many systems still have the one
2124# or other ISA chip on the board that users don't know about so don't expect
2125# users to choose the right thing ...
2126#
2127config ISA
2128 bool
2129
2130config EISA
2131 bool "EISA support"
5e83d430 2132 depends on HW_HAS_EISA
1da177e4 2133 select ISA
aa414dff 2134 select GENERIC_ISA_DMA
1da177e4
LT
2135 ---help---
2136 The Extended Industry Standard Architecture (EISA) bus was
2137 developed as an open alternative to the IBM MicroChannel bus.
2138
2139 The EISA bus provided some of the features of the IBM MicroChannel
2140 bus while maintaining backward compatibility with cards made for
2141 the older ISA bus. The EISA bus saw limited use between 1988 and
2142 1995 when it was made obsolete by the PCI bus.
2143
2144 Say Y here if you are building a kernel for an EISA-based machine.
2145
2146 Otherwise, say N.
2147
2148source "drivers/eisa/Kconfig"
2149
2150config TC
2151 bool "TURBOchannel support"
2152 depends on MACH_DECSTATION
2153 help
2154 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2155 processors. Documentation on writing device drivers for TurboChannel
2156 is available at:
2157 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2158
2159#config ACCESSBUS
2160# bool "Access.Bus support"
2161# depends on TC
2162
2163config MMU
2164 bool
2165 default y
2166
d865bea4
RB
2167config I8253
2168 bool
9726b43a 2169 select MIPS_EXTERNAL_TIMER
d865bea4 2170
cce335ae
RB
2171config ZONE_DMA32
2172 bool
2173
1da177e4
LT
2174source "drivers/pcmcia/Kconfig"
2175
2176source "drivers/pci/hotplug/Kconfig"
2177
2178endmenu
2179
2180menu "Executable file formats"
2181
2182source "fs/Kconfig.binfmt"
2183
2184config TRAD_SIGNALS
2185 bool
1da177e4 2186
1da177e4
LT
2187config MIPS32_COMPAT
2188 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2189 depends on 64BIT
1da177e4
LT
2190 help
2191 Select this option if you want Linux/MIPS 32-bit binary
2192 compatibility. Since all software available for Linux/MIPS is
2193 currently 32-bit you should say Y here.
2194
2195config COMPAT
2196 bool
2197 depends on MIPS32_COMPAT
2198 default y
2199
05e43966
AN
2200config SYSVIPC_COMPAT
2201 bool
2202 depends on COMPAT && SYSVIPC
2203 default y
2204
1da177e4
LT
2205config MIPS32_O32
2206 bool "Kernel support for o32 binaries"
2207 depends on MIPS32_COMPAT
2208 help
2209 Select this option if you want to run o32 binaries. These are pure
2210 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2211 existing binaries are in this format.
2212
2213 If unsure, say Y.
2214
2215config MIPS32_N32
2216 bool "Kernel support for n32 binaries"
2217 depends on MIPS32_COMPAT
2218 help
2219 Select this option if you want to run n32 binaries. These are
2220 64-bit binaries using 32-bit quantities for addressing and certain
2221 data that would normally be 64-bit. They are used in special
2222 cases.
2223
2224 If unsure, say N.
2225
2226config BINFMT_ELF32
2227 bool
2228 default y if MIPS32_O32 || MIPS32_N32
2229
2116245e
RB
2230endmenu
2231
2232menu "Power management options"
2233
363c55ca
WZ
2234config ARCH_HIBERNATION_POSSIBLE
2235 def_bool y
3f5b3e17 2236 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2237
f4cb5700
JB
2238config ARCH_SUSPEND_POSSIBLE
2239 def_bool y
3f5b3e17 2240 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2241
2116245e 2242source "kernel/power/Kconfig"
952fa954 2243
1da177e4
LT
2244endmenu
2245
9726b43a
WZ
2246source "arch/mips/kernel/cpufreq/Kconfig"
2247
d5950b43
SR
2248source "net/Kconfig"
2249
1da177e4
LT
2250source "drivers/Kconfig"
2251
2252source "fs/Kconfig"
2253
2254source "arch/mips/Kconfig.debug"
2255
2256source "security/Kconfig"
2257
2258source "crypto/Kconfig"
2259
2260source "lib/Kconfig"