MIPS: Loongson: Convert loongson_halt() to use unreachable()
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / mips / Kconfig
CommitLineData
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
7ca5dc14
FF
44 select GENERIC_GPIO
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
AJ
51config BCM47XX
52 bool "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"
1b93b3c3 183 select SYS_SUPPORTS_ZBOOT_UART16550
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
ade299d8
YY
512 select NR_CPUS_DEFAULT_2
513 select SIBYTE_SB1250
5e83d430 514 select SWAP_IO_SPACE
7cf8053b 515 select SYS_HAS_CPU_SB1
5e83d430 516 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 517 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 518 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 519 select ZONE_DMA32 if 64BIT
e3ad1c23 520
ade299d8
YY
521config SIBYTE_LITTLESUR
522 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
523 depends on EXPERIMENTAL
524 select BOOT_ELF32
525 select DMA_COHERENT
130e2fb7 526 select NR_CPUS_DEFAULT_2
5e83d430
RB
527 select SIBYTE_SB1250
528 select SWAP_IO_SPACE
7cf8053b 529 select SYS_HAS_CPU_SB1
5e83d430
RB
530 select SYS_SUPPORTS_BIG_ENDIAN
531 select SYS_SUPPORTS_HIGHMEM
532 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 533
ade299d8
YY
534config SIBYTE_SENTOSA
535 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
536 depends on EXPERIMENTAL
537 select BOOT_ELF32
538 select DMA_COHERENT
130e2fb7 539 select NR_CPUS_DEFAULT_2
5e83d430
RB
540 select SIBYTE_SB1250
541 select SWAP_IO_SPACE
7cf8053b 542 select SYS_HAS_CPU_SB1
5e83d430 543 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 544 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 545
ade299d8
YY
546config SIBYTE_BIGSUR
547 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
548 select BOOT_ELF32
549 select DMA_COHERENT
ade299d8 550 select NR_CPUS_DEFAULT_4
ade299d8 551 select SIBYTE_BCM1x80
5e83d430 552 select SWAP_IO_SPACE
7cf8053b 553 select SYS_HAS_CPU_SB1
5e83d430 554 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 555 select SYS_SUPPORTS_HIGHMEM
5e83d430 556 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 557 select ZONE_DMA32 if 64BIT
1da177e4 558
14b36af4
TB
559config SNI_RM
560 bool "SNI RM200/300/400"
4a0312fc
TB
561 select ARC if CPU_LITTLE_ENDIAN
562 select ARC32 if CPU_LITTLE_ENDIAN
231a35d3 563 select SNIPROM if CPU_BIG_ENDIAN
61ed242d 564 select ARCH_MAY_HAVE_PC_FDC
1da177e4 565 select BOOT_ELF32
42f77542 566 select CEVT_R4K
940f6b48 567 select CSRC_R4K
e2defae5 568 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
569 select DMA_NONCOHERENT
570 select GENERIC_ISA_DMA
5e83d430 571 select HW_HAS_EISA
1da177e4 572 select HW_HAS_PCI
c066a32a 573 select IRQ_CPU
d865bea4 574 select I8253
1da177e4
LT
575 select I8259
576 select ISA
4a0312fc 577 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 578 select SYS_HAS_CPU_R4X00
4a0312fc 579 select SYS_HAS_CPU_R5000
c066a32a 580 select SYS_HAS_CPU_R10000
4a0312fc 581 select R5000_CPU_SCACHE
36a88530 582 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
583 select SYS_SUPPORTS_32BIT_KERNEL
584 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
4a0312fc 585 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 586 select SYS_SUPPORTS_HIGHMEM
5e83d430 587 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 588 help
14b36af4
TB
589 The SNI RM200/300/400 are MIPS-based machines manufactured by
590 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
591 Technology and now in turn merged with Fujitsu. Say Y here to
592 support this machine type.
593
edcaf1a6
AN
594config MACH_TX39XX
595 bool "Toshiba TX39 series based machines"
5e83d430 596
edcaf1a6
AN
597config MACH_TX49XX
598 bool "Toshiba TX49 series based machines"
5e83d430 599
73b4390f
RB
600config MIKROTIK_RB532
601 bool "Mikrotik RB532 boards"
602 select CEVT_R4K
603 select CSRC_R4K
604 select DMA_NONCOHERENT
73b4390f
RB
605 select HW_HAS_PCI
606 select IRQ_CPU
607 select SYS_HAS_CPU_MIPS32_R1
608 select SYS_SUPPORTS_32BIT_KERNEL
609 select SYS_SUPPORTS_LITTLE_ENDIAN
610 select SWAP_IO_SPACE
611 select BOOT_RAW
d888e25b 612 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
613 help
614 Support the Mikrotik(tm) RouterBoard 532 series,
615 based on the IDT RC32434 SoC.
616
ade299d8
YY
617config WR_PPMC
618 bool "Wind River PPMC board"
42f77542 619 select CEVT_R4K
940f6b48 620 select CSRC_R4K
ade299d8
YY
621 select IRQ_CPU
622 select BOOT_ELF32
623 select DMA_NONCOHERENT
624 select HW_HAS_PCI
625 select PCI_GT64XXX_PCI0
626 select SWAP_IO_SPACE
627 select SYS_HAS_CPU_MIPS32_R1
628 select SYS_HAS_CPU_MIPS32_R2
629 select SYS_HAS_CPU_MIPS64_R1
630 select SYS_HAS_CPU_NEVADA
631 select SYS_HAS_CPU_RM7000
632 select SYS_SUPPORTS_32BIT_KERNEL
633 select SYS_SUPPORTS_64BIT_KERNEL
634 select SYS_SUPPORTS_BIG_ENDIAN
635 select SYS_SUPPORTS_LITTLE_ENDIAN
636 help
637 This enables support for the Wind River MIPS32 4KC PPMC evaluation
638 board, which is based on GT64120 bridge chip.
639
a86c7f72 640config CAVIUM_OCTEON_SIMULATOR
c9d89d97 641 bool "Cavium Networks Octeon Simulator"
a86c7f72
DD
642 select CEVT_R4K
643 select 64BIT_PHYS_ADDR
644 select DMA_COHERENT
645 select SYS_SUPPORTS_64BIT_KERNEL
646 select SYS_SUPPORTS_BIG_ENDIAN
647 select SYS_SUPPORTS_HIGHMEM
773cb77d 648 select SYS_SUPPORTS_HOTPLUG_CPU
5e683389 649 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
650 help
651 The Octeon simulator is software performance model of the Cavium
652 Octeon Processor. It supports simulating Octeon processors on x86
653 hardware.
654
655config CAVIUM_OCTEON_REFERENCE_BOARD
c9d89d97 656 bool "Cavium Networks Octeon reference board"
a86c7f72
DD
657 select CEVT_R4K
658 select 64BIT_PHYS_ADDR
659 select DMA_COHERENT
660 select SYS_SUPPORTS_64BIT_KERNEL
661 select SYS_SUPPORTS_BIG_ENDIAN
662 select SYS_SUPPORTS_HIGHMEM
773cb77d 663 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 664 select SYS_HAS_EARLY_PRINTK
5e683389 665 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 666 select SWAP_IO_SPACE
e8635b48
DD
667 select HW_HAS_PCI
668 select ARCH_SUPPORTS_MSI
a86c7f72
DD
669 help
670 This option supports all of the Octeon reference boards from Cavium
671 Networks. It builds a kernel that dynamically determines the Octeon
672 CPU type and supports all known board reference implementations.
673 Some of the supported boards are:
674 EBT3000
675 EBH3000
676 EBH3100
677 Thunder
678 Kodama
679 Hikari
680 Say Y here for most Octeon reference boards.
681
5e83d430 682endchoice
1da177e4 683
e8c7c482 684source "arch/mips/alchemy/Kconfig"
e7300d04 685source "arch/mips/bcm63xx/Kconfig"
5e83d430 686source "arch/mips/jazz/Kconfig"
1f21d2bd 687source "arch/mips/lasat/Kconfig"
5e83d430 688source "arch/mips/pmc-sierra/Kconfig"
a3a0f8c8 689source "arch/mips/powertv/Kconfig"
29c48699 690source "arch/mips/sgi-ip27/Kconfig"
38b18f72 691source "arch/mips/sibyte/Kconfig"
22b1d707 692source "arch/mips/txx9/Kconfig"
5e83d430 693source "arch/mips/vr41xx/Kconfig"
a86c7f72 694source "arch/mips/cavium-octeon/Kconfig"
85749d24 695source "arch/mips/loongson/Kconfig"
38b18f72 696
5e83d430
RB
697endmenu
698
1da177e4
LT
699config RWSEM_GENERIC_SPINLOCK
700 bool
701 default y
702
703config RWSEM_XCHGADD_ALGORITHM
704 bool
705
f0d1b0b3
DH
706config ARCH_HAS_ILOG2_U32
707 bool
708 default n
709
710config ARCH_HAS_ILOG2_U64
711 bool
712 default n
713
00a58253
RB
714config ARCH_SUPPORTS_OPROFILE
715 bool
716 default y if !MIPS_MT_SMTC
717
3c9ee7ef
AM
718config GENERIC_FIND_NEXT_BIT
719 bool
720 default y
721
722config GENERIC_HWEIGHT
723 bool
724 default y
725
1da177e4
LT
726config GENERIC_CALIBRATE_DELAY
727 bool
728 default y
729
7bcf7717
RB
730config GENERIC_CLOCKEVENTS
731 bool
732 default y
733
8db02010
RB
734config GENERIC_TIME
735 bool
736 default y
737
f5ff0a28
RB
738config GENERIC_CMOS_UPDATE
739 bool
740 default y
741
ae1e9130 742config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
743 bool
744 default y
745
e77c232c 746config GENERIC_HARDIRQS_NO__DO_IRQ
c87e0909 747 def_bool y
e77c232c 748
1da177e4
LT
749#
750# Select some configuration options automatically based on user selections.
751#
752config ARC
753 bool
1da177e4 754
61ed242d
RB
755config ARCH_MAY_HAVE_PC_FDC
756 bool
757
9267a30d
MSJ
758config BOOT_RAW
759 bool
760
217dd11e
RB
761config CEVT_BCM1480
762 bool
763
6457d9fc
YY
764config CEVT_DS1287
765 bool
766
1097c6ac
YY
767config CEVT_GT641XX
768 bool
769
779e7d41
ML
770config CEVT_R4K_LIB
771 bool
772
42f77542 773config CEVT_R4K
779e7d41 774 select CEVT_R4K_LIB
42f77542
RB
775 bool
776
217dd11e
RB
777config CEVT_SB1250
778 bool
779
229f773e
AN
780config CEVT_TXX9
781 bool
782
217dd11e
RB
783config CSRC_BCM1480
784 bool
785
4247417d
YY
786config CSRC_IOASIC
787 bool
788
a3a0f8c8
DV
789config CSRC_POWERTV
790 bool
791
779e7d41
ML
792config CSRC_R4K_LIB
793 bool
794
940f6b48 795config CSRC_R4K
779e7d41 796 select CSRC_R4K_LIB
940f6b48
RB
797 bool
798
217dd11e
RB
799config CSRC_SB1250
800 bool
801
a9aec7fe
AN
802config GPIO_TXX9
803 select GENERIC_GPIO
7444a72e 804 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
805 bool
806
df78b5c8
AJ
807config CFE
808 bool
809
4ce588cd 810config DMA_COHERENT
1da177e4
LT
811 bool
812
4ce588cd
RB
813config DMA_NONCOHERENT
814 bool
815 select DMA_NEED_PCI_MAP_STATE
816
817config DMA_NEED_PCI_MAP_STATE
1da177e4
LT
818 bool
819
36a88530 820config SYS_HAS_EARLY_PRINTK
1da177e4 821 bool
1da177e4 822
dbb74540 823config HOTPLUG_CPU
1b2bc75c
RB
824 bool "Support for hot-pluggable CPUs"
825 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
826 help
827 Say Y here to allow turning CPUs off and on. CPUs can be
828 controlled through /sys/devices/system/cpu.
829 (Note: power management support will enable this option
830 automatically on SMP systems. )
831 Say N if you want to disable CPU hotplug.
832
833config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 834 bool
dbb74540 835
1da177e4
LT
836config I8259
837 bool
1da177e4 838
1da177e4
LT
839config MIPS_BONITO64
840 bool
1da177e4
LT
841
842config MIPS_MSC
843 bool
1da177e4 844
1f21d2bd
BM
845config MIPS_NILE4
846 bool
847
1da177e4
LT
848config MIPS_DISABLE_OBSOLETE_IDE
849 bool
850
39b8d525
RB
851config SYNC_R4K
852 bool
853
d388d685
MR
854config NO_IOPORT
855 def_bool n
856
8313da30
RB
857config GENERIC_ISA_DMA
858 bool
859 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
860
aa414dff
RB
861config GENERIC_ISA_DMA_SUPPORT_BROKEN
862 bool
8313da30 863 select GENERIC_ISA_DMA
aa414dff 864
09663335
YY
865config GENERIC_GPIO
866 bool
867
5e83d430 868#
3cb2fccc 869# Endianess selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
870# answer,so we try hard to limit the available choices. Also the use of a
871# choice statement should be more obvious to the user.
872#
873choice
874 prompt "Endianess selection"
1da177e4
LT
875 help
876 Some MIPS machines can be configured for either little or big endian
5e83d430 877 byte order. These modes require different kernels and a different
3cb2fccc 878 Linux distribution. In general there is one preferred byteorder for a
5e83d430 879 particular system but some systems are just as commonly used in the
3dde6ad8 880 one or the other endianness.
5e83d430
RB
881
882config CPU_BIG_ENDIAN
883 bool "Big endian"
884 depends on SYS_SUPPORTS_BIG_ENDIAN
885
886config CPU_LITTLE_ENDIAN
887 bool "Little endian"
888 depends on SYS_SUPPORTS_LITTLE_ENDIAN
889 help
890
891endchoice
892
2116245e
RB
893config SYS_SUPPORTS_APM_EMULATION
894 bool
895
5e83d430
RB
896config SYS_SUPPORTS_BIG_ENDIAN
897 bool
898
899config SYS_SUPPORTS_LITTLE_ENDIAN
900 bool
1da177e4 901
9cffd154
DD
902config SYS_SUPPORTS_HUGETLBFS
903 bool
904 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
905 default y
906
1da177e4
LT
907config IRQ_CPU
908 bool
909
910config IRQ_CPU_RM7K
911 bool
912
5e83d430
RB
913config IRQ_CPU_RM9K
914 bool
915
9267a30d
MSJ
916config IRQ_MSP_SLP
917 bool
918
919config IRQ_MSP_CIC
920 bool
921
8420fd00
AN
922config IRQ_TXX9
923 bool
924
d5ab1a69
YY
925config IRQ_GT641XX
926 bool
927
39b8d525
RB
928config IRQ_GIC
929 bool
930
a86c7f72
DD
931config IRQ_CPU_OCTEON
932 bool
933
1da177e4
LT
934config MIPS_BOARDS_GEN
935 bool
1da177e4 936
252161ec 937config PCI_GT64XXX_PCI0
1da177e4 938 bool
1da177e4 939
9267a30d
MSJ
940config NO_EXCEPT_FILL
941 bool
942
663c3d90 943config MIPS_RM9122
944 bool
945 select SERIAL_RM9000
663c3d90 946
a83860c2
RB
947config SOC_EMMA2RH
948 bool
949 select CEVT_R4K
950 select CSRC_R4K
951 select DMA_NONCOHERENT
952 select IRQ_CPU
953 select SWAP_IO_SPACE
954 select SYS_HAS_CPU_R5500
955 select SYS_SUPPORTS_32BIT_KERNEL
956 select SYS_SUPPORTS_64BIT_KERNEL
957 select SYS_SUPPORTS_BIG_ENDIAN
958
edb6310a
DL
959config SOC_PNX833X
960 bool
961 select CEVT_R4K
962 select CSRC_R4K
963 select IRQ_CPU
964 select DMA_NONCOHERENT
965 select SYS_HAS_CPU_MIPS32_R2
966 select SYS_SUPPORTS_32BIT_KERNEL
967 select SYS_SUPPORTS_LITTLE_ENDIAN
968 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
969 select GENERIC_GPIO
970 select CPU_MIPSR2_IRQ_VI
971
972config SOC_PNX8335
973 bool
974 select SOC_PNX833X
975
bdf21b18
PP
976config PNX8550
977 bool
978 select SOC_PNX8550
979
980config SOC_PNX8550
981 bool
bdf21b18
PP
982 select DMA_NONCOHERENT
983 select HW_HAS_PCI
b8c2a77c 984 select SYS_HAS_CPU_MIPS32_R1
36a88530 985 select SYS_HAS_EARLY_PRINTK
7cf8053b 986 select SYS_SUPPORTS_32BIT_KERNEL
4ead1681 987 select GENERIC_GPIO
bdf21b18 988
1da177e4
LT
989config SWAP_IO_SPACE
990 bool
991
663c3d90 992config SERIAL_RM9000
993 bool
994
e2defae5
TB
995config SGI_HAS_INDYDOG
996 bool
997
5b438c44
TB
998config SGI_HAS_HAL2
999 bool
1000
e2defae5
TB
1001config SGI_HAS_SEEQ
1002 bool
1003
1004config SGI_HAS_WD93
1005 bool
1006
1007config SGI_HAS_ZILOG
1008 bool
1009
1010config SGI_HAS_I8042
1011 bool
1012
1013config DEFAULT_SGI_PARTITION
1014 bool
1015
5e83d430
RB
1016config ARC32
1017 bool
1018
231a35d3
TB
1019config SNIPROM
1020 bool
1021
1da177e4
LT
1022config BOOT_ELF32
1023 bool
1da177e4
LT
1024
1025config MIPS_L1_CACHE_SHIFT
1026 int
c7088755 1027 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
0db2b74e 1028 default "6" if MIPS_CPU_SCACHE
a86c7f72 1029 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1da177e4
LT
1030 default "5"
1031
1da177e4
LT
1032config HAVE_STD_PC_SERIAL_PORT
1033 bool
1034
1da177e4
LT
1035config ARC_CONSOLE
1036 bool "ARC console support"
e2defae5 1037 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1038
1039config ARC_MEMORY
1040 bool
14b36af4 1041 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1042 default y
1043
1044config ARC_PROMLIB
1045 bool
e2defae5 1046 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1047 default y
1048
1049config ARC64
1050 bool
1da177e4
LT
1051
1052config BOOT_ELF64
1053 bool
1da177e4 1054
1da177e4
LT
1055menu "CPU selection"
1056
1057choice
1058 prompt "CPU type"
1059 default CPU_R4X00
1060
3702bba5
WZ
1061config CPU_LOONGSON2E
1062 bool "Loongson 2E"
1063 depends on SYS_HAS_CPU_LOONGSON2E
1064 select CPU_LOONGSON2
2a21c730
FZ
1065 help
1066 The Loongson 2E processor implements the MIPS III instruction set
1067 with many extensions.
1068
6f7a251a
WZ
1069 It has an internal FPGA northbridge, which is compatiable to
1070 bonito64.
1071
1072config CPU_LOONGSON2F
1073 bool "Loongson 2F"
1074 depends on SYS_HAS_CPU_LOONGSON2F
1075 select CPU_LOONGSON2
1076 help
1077 The Loongson 2F processor implements the MIPS III instruction set
1078 with many extensions.
1079
1080 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1081 have a similar programming interface with FPGA northbridge used in
1082 Loongson2E.
1083
6e760c8d
RB
1084config CPU_MIPS32_R1
1085 bool "MIPS32 Release 1"
7cf8053b 1086 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1087 select CPU_HAS_PREFETCH
797798c1 1088 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1089 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1090 help
5e83d430 1091 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1092 MIPS32 architecture. Most modern embedded systems with a 32-bit
1093 MIPS processor are based on a MIPS32 processor. If you know the
1094 specific type of processor in your system, choose those that one
1095 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1096 Release 2 of the MIPS32 architecture is available since several
1097 years so chances are you even have a MIPS32 Release 2 processor
1098 in which case you should choose CPU_MIPS32_R2 instead for better
1099 performance.
1100
1101config CPU_MIPS32_R2
1102 bool "MIPS32 Release 2"
7cf8053b 1103 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1104 select CPU_HAS_PREFETCH
797798c1 1105 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1106 select CPU_SUPPORTS_HIGHMEM
6e760c8d 1107 help
5e83d430 1108 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1109 MIPS32 architecture. Most modern embedded systems with a 32-bit
1110 MIPS processor are based on a MIPS32 processor. If you know the
1111 specific type of processor in your system, choose those that one
1112 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1113
1114config CPU_MIPS64_R1
1115 bool "MIPS64 Release 1"
7cf8053b 1116 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1117 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1118 select CPU_SUPPORTS_32BIT_KERNEL
1119 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1120 select CPU_SUPPORTS_HIGHMEM
9cffd154 1121 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1122 help
1123 Choose this option to build a kernel for release 1 or later of the
1124 MIPS64 architecture. Many modern embedded systems with a 64-bit
1125 MIPS processor are based on a MIPS64 processor. If you know the
1126 specific type of processor in your system, choose those that one
1127 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1128 Release 2 of the MIPS64 architecture is available since several
1129 years so chances are you even have a MIPS64 Release 2 processor
1130 in which case you should choose CPU_MIPS64_R2 instead for better
1131 performance.
1132
1133config CPU_MIPS64_R2
1134 bool "MIPS64 Release 2"
7cf8053b 1135 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1136 select CPU_HAS_PREFETCH
1e5f1caa
RB
1137 select CPU_SUPPORTS_32BIT_KERNEL
1138 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1139 select CPU_SUPPORTS_HIGHMEM
9cffd154 1140 select CPU_SUPPORTS_HUGEPAGES
1e5f1caa
RB
1141 help
1142 Choose this option to build a kernel for release 2 or later of the
1143 MIPS64 architecture. Many modern embedded systems with a 64-bit
1144 MIPS processor are based on a MIPS64 processor. If you know the
1145 specific type of processor in your system, choose those that one
1146 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1147
1148config CPU_R3000
1149 bool "R3000"
7cf8053b 1150 depends on SYS_HAS_CPU_R3000
f7062ddb 1151 select CPU_HAS_WB
ed5ba2fb 1152 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1153 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1154 help
1155 Please make sure to pick the right CPU type. Linux/MIPS is not
1156 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1157 *not* work on R4000 machines and vice versa. However, since most
1158 of the supported machines have an R4000 (or similar) CPU, R4x00
1159 might be a safe bet. If the resulting kernel does not work,
1160 try to recompile with R3000.
1161
1162config CPU_TX39XX
1163 bool "R39XX"
7cf8053b 1164 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1165 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1166
1167config CPU_VR41XX
1168 bool "R41xx"
7cf8053b 1169 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1170 select CPU_SUPPORTS_32BIT_KERNEL
1171 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1172 help
5e83d430 1173 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1174 Only choose this option if you have one of these processors as a
1175 kernel built with this option will not run on any other type of
1176 processor or vice versa.
1177
1178config CPU_R4300
1179 bool "R4300"
7cf8053b 1180 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1181 select CPU_SUPPORTS_32BIT_KERNEL
1182 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1183 help
1184 MIPS Technologies R4300-series processors.
1185
1186config CPU_R4X00
1187 bool "R4x00"
7cf8053b 1188 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1189 select CPU_SUPPORTS_32BIT_KERNEL
1190 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1191 help
1192 MIPS Technologies R4000-series processors other than 4300, including
1193 the R4000, R4400, R4600, and 4700.
1194
1195config CPU_TX49XX
1196 bool "R49XX"
7cf8053b 1197 depends on SYS_HAS_CPU_TX49XX
de862b48 1198 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1199 select CPU_SUPPORTS_32BIT_KERNEL
1200 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1201
1202config CPU_R5000
1203 bool "R5000"
7cf8053b 1204 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1205 select CPU_SUPPORTS_32BIT_KERNEL
1206 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1207 help
1208 MIPS Technologies R5000-series processors other than the Nevada.
1209
1210config CPU_R5432
1211 bool "R5432"
7cf8053b 1212 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1213 select CPU_SUPPORTS_32BIT_KERNEL
1214 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1215
542c1020
SK
1216config CPU_R5500
1217 bool "R5500"
1218 depends on SYS_HAS_CPU_R5500
542c1020
SK
1219 select CPU_SUPPORTS_32BIT_KERNEL
1220 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1221 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1222 help
1223 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1224 instruction set.
1225
1da177e4
LT
1226config CPU_R6000
1227 bool "R6000"
ed5ba2fb 1228 depends on EXPERIMENTAL
7cf8053b 1229 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1230 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1231 help
1232 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1233 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1234
1235config CPU_NEVADA
1236 bool "RM52xx"
7cf8053b 1237 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1238 select CPU_SUPPORTS_32BIT_KERNEL
1239 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1240 help
1241 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1242
1243config CPU_R8000
1244 bool "R8000"
ed5ba2fb 1245 depends on EXPERIMENTAL
7cf8053b 1246 depends on SYS_HAS_CPU_R8000
5e83d430 1247 select CPU_HAS_PREFETCH
ed5ba2fb 1248 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1249 help
1250 MIPS Technologies R8000 processors. Note these processors are
1251 uncommon and the support for them is incomplete.
1252
1253config CPU_R10000
1254 bool "R10000"
7cf8053b 1255 depends on SYS_HAS_CPU_R10000
5e83d430 1256 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1257 select CPU_SUPPORTS_32BIT_KERNEL
1258 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1259 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1260 help
1261 MIPS Technologies R10000-series processors.
1262
1263config CPU_RM7000
1264 bool "RM7000"
7cf8053b 1265 depends on SYS_HAS_CPU_RM7000
5e83d430 1266 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1267 select CPU_SUPPORTS_32BIT_KERNEL
1268 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1269 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1270
1271config CPU_RM9000
1272 bool "RM9000"
7cf8053b 1273 depends on SYS_HAS_CPU_RM9000
5e83d430 1274 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1275 select CPU_SUPPORTS_32BIT_KERNEL
1276 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1277 select CPU_SUPPORTS_HIGHMEM
0004a9df 1278 select WEAK_ORDERING
1da177e4
LT
1279
1280config CPU_SB1
1281 bool "SB1"
7cf8053b 1282 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1283 select CPU_SUPPORTS_32BIT_KERNEL
1284 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1285 select CPU_SUPPORTS_HIGHMEM
0004a9df 1286 select WEAK_ORDERING
1da177e4 1287
a86c7f72
DD
1288config CPU_CAVIUM_OCTEON
1289 bool "Cavium Octeon processor"
5e683389 1290 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1291 select IRQ_CPU
1292 select IRQ_CPU_OCTEON
1293 select CPU_HAS_PREFETCH
1294 select CPU_SUPPORTS_64BIT_KERNEL
1295 select SYS_SUPPORTS_SMP
1296 select NR_CPUS_DEFAULT_16
1297 select WEAK_ORDERING
a86c7f72 1298 select CPU_SUPPORTS_HIGHMEM
9cffd154 1299 select CPU_SUPPORTS_HUGEPAGES
a86c7f72
DD
1300 help
1301 The Cavium Octeon processor is a highly integrated chip containing
1302 many ethernet hardware widgets for networking tasks. The processor
1303 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1304 Full details can be found at http://www.caviumnetworks.com.
1305
1da177e4
LT
1306endchoice
1307
1b93b3c3
WZ
1308config SYS_SUPPORTS_ZBOOT
1309 bool
1310 select HAVE_KERNEL_GZIP
1311 select HAVE_KERNEL_BZIP2
1312 select HAVE_KERNEL_LZMA
fe1d45e0 1313 select HAVE_KERNEL_LZO
1b93b3c3
WZ
1314
1315config SYS_SUPPORTS_ZBOOT_UART16550
1316 bool
1317 select SYS_SUPPORTS_ZBOOT
1318
3702bba5
WZ
1319config CPU_LOONGSON2
1320 bool
1321 select CPU_SUPPORTS_32BIT_KERNEL
1322 select CPU_SUPPORTS_64BIT_KERNEL
1323 select CPU_SUPPORTS_HIGHMEM
1324
1325config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1326 bool
1327
6f7a251a
WZ
1328config SYS_HAS_CPU_LOONGSON2F
1329 bool
55045ff5
WZ
1330 select CPU_SUPPORTS_CPUFREQ
1331 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1332 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1333
7cf8053b
RB
1334config SYS_HAS_CPU_MIPS32_R1
1335 bool
1336
1337config SYS_HAS_CPU_MIPS32_R2
1338 bool
1339
1340config SYS_HAS_CPU_MIPS64_R1
1341 bool
1342
1343config SYS_HAS_CPU_MIPS64_R2
1344 bool
1345
1346config SYS_HAS_CPU_R3000
1347 bool
1348
1349config SYS_HAS_CPU_TX39XX
1350 bool
1351
1352config SYS_HAS_CPU_VR41XX
1353 bool
1354
1355config SYS_HAS_CPU_R4300
1356 bool
1357
1358config SYS_HAS_CPU_R4X00
1359 bool
1360
1361config SYS_HAS_CPU_TX49XX
1362 bool
1363
1364config SYS_HAS_CPU_R5000
1365 bool
1366
1367config SYS_HAS_CPU_R5432
1368 bool
1369
542c1020
SK
1370config SYS_HAS_CPU_R5500
1371 bool
1372
7cf8053b
RB
1373config SYS_HAS_CPU_R6000
1374 bool
1375
1376config SYS_HAS_CPU_NEVADA
1377 bool
1378
1379config SYS_HAS_CPU_R8000
1380 bool
1381
1382config SYS_HAS_CPU_R10000
1383 bool
1384
1385config SYS_HAS_CPU_RM7000
1386 bool
1387
1388config SYS_HAS_CPU_RM9000
1389 bool
1390
1391config SYS_HAS_CPU_SB1
1392 bool
1393
5e683389
DD
1394config SYS_HAS_CPU_CAVIUM_OCTEON
1395 bool
1396
17099b11
RB
1397#
1398# CPU may reorder R->R, R->W, W->R, W->W
1399# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1400#
0004a9df
RB
1401config WEAK_ORDERING
1402 bool
17099b11
RB
1403
1404#
1405# CPU may reorder reads and writes beyond LL/SC
1406# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1407#
1408config WEAK_REORDERING_BEYOND_LLSC
1409 bool
5e83d430
RB
1410endmenu
1411
1412#
c09b47d8 1413# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1414#
1415config CPU_MIPS32
1416 bool
1417 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1418
1419config CPU_MIPS64
1420 bool
1421 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1422
1423#
c09b47d8 1424# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1425#
1426config CPU_MIPSR1
1427 bool
1428 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1429
1430config CPU_MIPSR2
1431 bool
a86c7f72 1432 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1433
1434config SYS_SUPPORTS_32BIT_KERNEL
1435 bool
1436config SYS_SUPPORTS_64BIT_KERNEL
1437 bool
1438config CPU_SUPPORTS_32BIT_KERNEL
1439 bool
1440config CPU_SUPPORTS_64BIT_KERNEL
1441 bool
55045ff5
WZ
1442config CPU_SUPPORTS_CPUFREQ
1443 bool
1444config CPU_SUPPORTS_ADDRWINCFG
1445 bool
9cffd154
DD
1446config CPU_SUPPORTS_HUGEPAGES
1447 bool
22f1fdfd
WZ
1448config CPU_SUPPORTS_UNCACHED_ACCELERATED
1449 bool
82622284
DD
1450config MIPS_PGD_C0_CONTEXT
1451 bool
1452 default y if 64BIT && CPU_MIPSR2
5e83d430 1453
8192c9ea
DD
1454#
1455# Set to y for ptrace access to watch registers.
1456#
1457config HARDWARE_WATCHPOINTS
1458 bool
f839490a 1459 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1460
5e83d430
RB
1461menu "Kernel type"
1462
1463choice
1464
1465 prompt "Kernel code model"
1466 help
1467 You should only select this option if you have a workload that
1468 actually benefits from 64-bit processing or if your machine has
1469 large memory. You will only be presented a single option in this
1470 menu if your system does not support both 32-bit and 64-bit kernels.
1471
1472config 32BIT
1473 bool "32-bit kernel"
1474 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1475 select TRAD_SIGNALS
1476 help
1477 Select this option if you want to build a 32-bit kernel.
1478config 64BIT
1479 bool "64-bit kernel"
1480 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
dbda6ac0 1481 select HAVE_SYSCALL_WRAPPERS
5e83d430
RB
1482 help
1483 Select this option if you want to build a 64-bit kernel.
1484
1485endchoice
1486
1da177e4
LT
1487choice
1488 prompt "Kernel page size"
1489 default PAGE_SIZE_4KB
1490
1491config PAGE_SIZE_4KB
1492 bool "4kB"
315fe625 1493 depends on !CPU_LOONGSON2
1da177e4
LT
1494 help
1495 This option select the standard 4kB Linux page size. On some
1496 R3000-family processors this is the only available page size. Using
1497 4kB page size will minimize memory consumption and is therefore
1498 recommended for low memory systems.
1499
1500config PAGE_SIZE_8KB
1501 bool "8kB"
c52399be 1502 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
1da177e4
LT
1503 help
1504 Using 8kB page size will result in higher performance kernel at
1505 the price of higher memory consumption. This option is available
c52399be
RB
1506 only on R8000 and cnMIPS processors. Note that you will need a
1507 suitable Linux distribution to support this.
1da177e4
LT
1508
1509config PAGE_SIZE_16KB
1510 bool "16kB"
714bfad6 1511 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1512 help
1513 Using 16kB page size will result in higher performance kernel at
1514 the price of higher memory consumption. This option is available on
714bfad6
RB
1515 all non-R3000 family processors. Note that you will need a suitable
1516 Linux distribution to support this.
1da177e4 1517
c52399be
RB
1518config PAGE_SIZE_32KB
1519 bool "32kB"
1520 depends on CPU_CAVIUM_OCTEON
1521 help
1522 Using 32kB page size will result in higher performance kernel at
1523 the price of higher memory consumption. This option is available
1524 only on cnMIPS cores. Note that you will need a suitable Linux
1525 distribution to support this.
1526
1da177e4
LT
1527config PAGE_SIZE_64KB
1528 bool "64kB"
1529 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1530 help
1531 Using 64kB page size will result in higher performance kernel at
1532 the price of higher memory consumption. This option is available on
1533 all non-R3000 family processor. Not that at the time of this
714bfad6 1534 writing this option is still high experimental.
1da177e4
LT
1535
1536endchoice
1537
1538config BOARD_SCACHE
1539 bool
1540
1541config IP22_CPU_SCACHE
1542 bool
1543 select BOARD_SCACHE
1544
9318c51a
CD
1545#
1546# Support for a MIPS32 / MIPS64 style S-caches
1547#
1548config MIPS_CPU_SCACHE
1549 bool
1550 select BOARD_SCACHE
1551
1da177e4
LT
1552config R5000_CPU_SCACHE
1553 bool
1554 select BOARD_SCACHE
1555
1556config RM7000_CPU_SCACHE
1557 bool
1558 select BOARD_SCACHE
1559
1560config SIBYTE_DMA_PAGEOPS
1561 bool "Use DMA to clear/copy pages"
1562 depends on CPU_SB1
1563 help
1564 Instead of using the CPU to zero and copy pages, use a Data Mover
1565 channel. These DMA channels are otherwise unused by the standard
1566 SiByte Linux port. Seems to give a small performance benefit.
1567
1568config CPU_HAS_PREFETCH
c8094b53 1569 bool
1da177e4 1570
340ee4b9
RB
1571choice
1572 prompt "MIPS MT options"
f41ae0b2
RB
1573
1574config MIPS_MT_DISABLED
1575 bool "Disable multithreading support."
1576 help
1577 Use this option if your workload can't take advantage of
1578 MIPS hardware multithreading support. On systems that don't have
1579 the option of an MT-enabled processor this option will be the only
1580 option in this menu.
340ee4b9 1581
59d6ab86
RB
1582config MIPS_MT_SMP
1583 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1584 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1585 select CPU_MIPSR2_IRQ_VI
d725cf38 1586 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1587 select MIPS_MT
f510aa3b 1588 select NR_CPUS_DEFAULT_2
41c594ab 1589 select SMP
0ab7aefc 1590 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1591 select SYS_SUPPORTS_SMP
87353d8a 1592 select SMP_UP
f41ae0b2 1593 help
59d6ab86
RB
1594 This is a kernel model which is also known a VSMP or lately
1595 has been marketesed into SMVP.
41c594ab 1596
59d6ab86
RB
1597config MIPS_MT_SMTC
1598 bool "SMTC: Use all TCs on all VPEs for SMP"
1599 depends on CPU_MIPS32_R2
1600 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1601 depends on SYS_SUPPORTS_MULTITHREADING
1602 select CPU_MIPSR2_IRQ_VI
d725cf38 1603 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1604 select MIPS_MT
130e2fb7 1605 select NR_CPUS_DEFAULT_8
340ee4b9 1606 select SMP
73b76c78 1607 select SYS_SUPPORTS_SMP
87353d8a 1608 select SMP_UP
f41ae0b2 1609 help
59d6ab86
RB
1610 This is a kernel model which is known a SMTC or lately has been
1611 marketesed into SMVP.
340ee4b9 1612
340ee4b9
RB
1613endchoice
1614
f41ae0b2
RB
1615config MIPS_MT
1616 bool
1617
0ab7aefc
RB
1618config SCHED_SMT
1619 bool "SMT (multithreading) scheduler support"
1620 depends on SYS_SUPPORTS_SCHED_SMT
1621 default n
1622 help
1623 SMT scheduler support improves the CPU scheduler's decision making
1624 when dealing with MIPS MT enabled cores at a cost of slightly
1625 increased overhead in some places. If unsure say N here.
1626
1627config SYS_SUPPORTS_SCHED_SMT
1628 bool
1629
1630
f41ae0b2
RB
1631config SYS_SUPPORTS_MULTITHREADING
1632 bool
1633
f088fc84
RB
1634config MIPS_MT_FPAFF
1635 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1636 default y
07cc0c9e
RB
1637 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1638
1639config MIPS_VPE_LOADER
1640 bool "VPE loader support."
1641 depends on SYS_SUPPORTS_MULTITHREADING
1642 select CPU_MIPSR2_IRQ_VI
1643 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1644 select MIPS_MT
1645 help
1646 Includes a loader for loading an elf relocatable object
1647 onto another VPE and running it.
f088fc84 1648
0db34215
KK
1649config MIPS_MT_SMTC_IM_BACKSTOP
1650 bool "Use per-TC register bits as backstop for inhibited IM bits"
1651 depends on MIPS_MT_SMTC
8531a35e 1652 default n
0db34215
KK
1653 help
1654 To support multiple TC microthreads acting as "CPUs" within
1655 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1656 during interrupt handling. To support legacy drivers and interrupt
1657 controller management code, SMTC has a "backstop" to track and
1658 if necessary restore the interrupt mask. This has some performance
8531a35e 1659 impact on interrupt service overhead.
0db34215 1660
f571eff0
KK
1661config MIPS_MT_SMTC_IRQAFF
1662 bool "Support IRQ affinity API"
1663 depends on MIPS_MT_SMTC
1664 default n
1665 help
1666 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1667 for SMTC Linux kernel. Requires platform support, of which
1668 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1669 platform code. Adds some overhead to interrupt dispatch, and
1670 should be used only if you know what you are doing.
f571eff0 1671
e01402b1
RB
1672config MIPS_VPE_LOADER_TOM
1673 bool "Load VPE program into memory hidden from linux"
1674 depends on MIPS_VPE_LOADER
1675 default y
1676 help
1677 The loader can use memory that is present but has been hidden from
1678 Linux using the kernel command line option "mem=xxMB". It's up to
1679 you to ensure the amount you put in the option and the space your
1680 program requires is less or equal to the amount physically present.
1681
1682# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1683config MIPS_VPE_APSP_API
5e83d430
RB
1684 bool "Enable support for AP/SP API (RTLX)"
1685 depends on MIPS_VPE_LOADER
1686 help
e01402b1 1687
2600990e
RB
1688config MIPS_APSP_KSPD
1689 bool "Enable KSPD"
1690 depends on MIPS_VPE_APSP_API
1691 default y
1692 help
1693 KSPD is a kernel daemon that accepts syscall requests from the SP
1694 side, actions them and returns the results. It also handles the
1695 "exit" syscall notifying other kernel modules the SP program is
1696 exiting. You probably want to say yes here.
1697
4a16ff4c
RB
1698config MIPS_CMP
1699 bool "MIPS CMP framework support"
1700 depends on SYS_SUPPORTS_MIPS_CMP
eb9b5141 1701 select SYNC_R4K
4a16ff4c
RB
1702 select SYS_SUPPORTS_SMP
1703 select SYS_SUPPORTS_SCHED_SMT if SMP
1704 select WEAK_ORDERING
1705 default n
1706 help
1707 This is a placeholder option for the GCMP work. It will need to
1708 be handled differently...
1709
1da177e4
LT
1710config SB1_PASS_1_WORKAROUNDS
1711 bool
1712 depends on CPU_SB1_PASS_1
1713 default y
1714
1715config SB1_PASS_2_WORKAROUNDS
1716 bool
1717 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1718 default y
1719
1720config SB1_PASS_2_1_WORKAROUNDS
1721 bool
1722 depends on CPU_SB1 && CPU_SB1_PASS_2
1723 default y
1724
1725config 64BIT_PHYS_ADDR
d806cb2b 1726 bool
1da177e4 1727
9693a853
FBH
1728config CPU_HAS_SMARTMIPS
1729 depends on SYS_SUPPORTS_SMARTMIPS
1730 bool "Support for the SmartMIPS ASE"
1731 help
1732 SmartMIPS is a extension of the MIPS32 architecture aimed at
1733 increased security at both hardware and software level for
1734 smartcards. Enabling this option will allow proper use of the
1735 SmartMIPS instructions by Linux applications. However a kernel with
1736 this option will not work on a MIPS core without SmartMIPS core. If
1737 you don't know you probably don't have SmartMIPS and should say N
1738 here.
1739
1da177e4 1740config CPU_HAS_WB
f7062ddb 1741 bool
e01402b1 1742
f41ae0b2
RB
1743#
1744# Vectored interrupt mode is an R2 feature
1745#
e01402b1 1746config CPU_MIPSR2_IRQ_VI
f41ae0b2 1747 bool
e01402b1 1748
f41ae0b2
RB
1749#
1750# Extended interrupt mode is an R2 feature
1751#
e01402b1 1752config CPU_MIPSR2_IRQ_EI
f41ae0b2 1753 bool
e01402b1 1754
1da177e4
LT
1755config CPU_HAS_SYNC
1756 bool
1757 depends on !CPU_R3000
1758 default y
1759
ea580401
RB
1760config GENERIC_CLOCKEVENTS_BROADCAST
1761 bool
1762
20d60d99
MR
1763#
1764# CPU non-features
1765#
1766config CPU_DADDI_WORKAROUNDS
1767 bool
1768
1769config CPU_R4000_WORKAROUNDS
1770 bool
1771 select CPU_R4400_WORKAROUNDS
1772
1773config CPU_R4400_WORKAROUNDS
1774 bool
1775
797798c1
RB
1776#
1777# Use the generic interrupt handling code in kernel/irq/:
1778#
1779config GENERIC_HARDIRQS
1780 bool
1781 default y
1782
1783config GENERIC_IRQ_PROBE
1784 bool
1785 default y
1786
0d7012a9 1787config IRQ_PER_CPU
0d7012a9 1788 bool
0d7012a9 1789
1da177e4
LT
1790#
1791# - Highmem only makes sense for the 32-bit kernel.
1792# - The current highmem code will only work properly on physically indexed
1793# caches such as R3000, SB1, R7000 or those that look like they're virtually
1794# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1795# moment we protect the user and offer the highmem option only on machines
1796# where it's known to be safe. This will not offer highmem on a few systems
1797# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1798# indexed CPUs but we're playing safe.
797798c1
RB
1799# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1800# know they might have memory configurations that could make use of highmem
1801# support.
1da177e4
LT
1802#
1803config HIGHMEM
1804 bool "High Memory Support"
797798c1
RB
1805 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1806
1807config CPU_SUPPORTS_HIGHMEM
1808 bool
1809
1810config SYS_SUPPORTS_HIGHMEM
1811 bool
1da177e4 1812
9693a853
FBH
1813config SYS_SUPPORTS_SMARTMIPS
1814 bool
1815
b4819b59
YY
1816config ARCH_FLATMEM_ENABLE
1817 def_bool y
f133f22d 1818 depends on !NUMA && !CPU_LOONGSON2
b4819b59 1819
d8cb4e11
RB
1820config ARCH_DISCONTIGMEM_ENABLE
1821 bool
1822 default y if SGI_IP27
1823 help
3dde6ad8 1824 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
1825 for architectures which are either NUMA (Non-Uniform Memory Access)
1826 or have huge holes in the physical address space for other reasons.
1827 See <file:Documentation/vm/numa> for more.
1828
cce335ae
RB
1829config ARCH_POPULATES_NODE_MAP
1830 def_bool y
1831
31473747
AN
1832config ARCH_SPARSEMEM_ENABLE
1833 bool
7de58fab 1834 select SPARSEMEM_STATIC
31473747 1835
d8cb4e11
RB
1836config NUMA
1837 bool "NUMA Support"
1838 depends on SYS_SUPPORTS_NUMA
1839 help
1840 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1841 Access). This option improves performance on systems with more
1842 than two nodes; on two node systems it is generally better to
1843 leave it disabled; on single node systems disable this option
1844 disabled.
1845
1846config SYS_SUPPORTS_NUMA
1847 bool
1848
c80d79d7
YG
1849config NODES_SHIFT
1850 int
1851 default "6"
1852 depends on NEED_MULTIPLE_NODES
1853
b4819b59
YY
1854source "mm/Kconfig"
1855
1da177e4
LT
1856config SMP
1857 bool "Multi-Processing support"
e73ea273 1858 depends on SYS_SUPPORTS_SMP
b4b30a5a 1859 select IRQ_PER_CPU
2f304c0a 1860 select USE_GENERIC_SMP_HELPERS
e73ea273 1861 help
1da177e4
LT
1862 This enables support for systems with more than one CPU. If you have
1863 a system with only one CPU, like most personal computers, say N. If
1864 you have a system with more than one CPU, say Y.
1865
1866 If you say N here, the kernel will run on single and multiprocessor
1867 machines, but will use only one CPU of a multiprocessor machine. If
1868 you say Y here, the kernel will run on many, but not all,
1869 singleprocessor machines. On a singleprocessor machine, the kernel
1870 will run faster if you say N here.
1871
1872 People using multiprocessor machines who say Y here should also say
1873 Y to "Enhanced Real Time Clock Support", below.
1874
03502faa
AB
1875 See also the SMP-HOWTO available at
1876 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
1877
1878 If you don't know what to do here, say N.
1879
87353d8a
RB
1880config SMP_UP
1881 bool
1882
4a16ff4c
RB
1883config SYS_SUPPORTS_MIPS_CMP
1884 bool
1885
e73ea273
RB
1886config SYS_SUPPORTS_SMP
1887 bool
1888
72ede9b1
AN
1889config NR_CPUS_DEFAULT_1
1890 bool
1891
130e2fb7
RB
1892config NR_CPUS_DEFAULT_2
1893 bool
1894
1895config NR_CPUS_DEFAULT_4
1896 bool
1897
1898config NR_CPUS_DEFAULT_8
1899 bool
1900
1901config NR_CPUS_DEFAULT_16
1902 bool
1903
1904config NR_CPUS_DEFAULT_32
1905 bool
1906
1907config NR_CPUS_DEFAULT_64
1908 bool
1909
1da177e4
LT
1910config NR_CPUS
1911 int "Maximum number of CPUs (2-64)"
72ede9b1 1912 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 1913 depends on SMP
72ede9b1 1914 default "1" if NR_CPUS_DEFAULT_1
130e2fb7
RB
1915 default "2" if NR_CPUS_DEFAULT_2
1916 default "4" if NR_CPUS_DEFAULT_4
1917 default "8" if NR_CPUS_DEFAULT_8
1918 default "16" if NR_CPUS_DEFAULT_16
1919 default "32" if NR_CPUS_DEFAULT_32
1920 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
1921 help
1922 This allows you to specify the maximum number of CPUs which this
1923 kernel will support. The maximum supported value is 32 for 32-bit
1924 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
1925 sense is 1 for Qemu (useful only for kernel debugging purposes)
1926 and 2 for all others.
1da177e4
LT
1927
1928 This is purely to save memory - each supported CPU adds
72ede9b1
AN
1929 approximately eight kilobytes to the kernel image. For best
1930 performance should round up your number of processors to the next
1931 power of two.
1da177e4 1932
c4eee283
AN
1933source "kernel/time/Kconfig"
1934
1723b4a3
AN
1935#
1936# Timer Interrupt Frequency Configuration
1937#
1938
1939choice
1940 prompt "Timer frequency"
1941 default HZ_250
1942 help
1943 Allows the configuration of the timer frequency.
1944
1945 config HZ_48
0f873585 1946 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
1947
1948 config HZ_100
1949 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1950
1951 config HZ_128
1952 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1953
1954 config HZ_250
1955 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1956
1957 config HZ_256
1958 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1959
1960 config HZ_1000
1961 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1962
1963 config HZ_1024
1964 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1965
1966endchoice
1967
1968config SYS_SUPPORTS_48HZ
1969 bool
1970
1971config SYS_SUPPORTS_100HZ
1972 bool
1973
1974config SYS_SUPPORTS_128HZ
1975 bool
1976
1977config SYS_SUPPORTS_250HZ
1978 bool
1979
1980config SYS_SUPPORTS_256HZ
1981 bool
1982
1983config SYS_SUPPORTS_1000HZ
1984 bool
1985
1986config SYS_SUPPORTS_1024HZ
1987 bool
1988
1989config SYS_SUPPORTS_ARBIT_HZ
1990 bool
1991 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1992 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1993 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1994 !SYS_SUPPORTS_1024HZ
1995
1996config HZ
1997 int
1998 default 48 if HZ_48
1999 default 100 if HZ_100
2000 default 128 if HZ_128
2001 default 250 if HZ_250
2002 default 256 if HZ_256
2003 default 1000 if HZ_1000
2004 default 1024 if HZ_1024
2005
e80de850 2006source "kernel/Kconfig.preempt"
1da177e4 2007
1da177e4
LT
2008config MIPS_INSANE_LARGE
2009 bool "Support for large 64-bit configurations"
875d43e7 2010 depends on CPU_R10000 && 64BIT
1da177e4
LT
2011 help
2012 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
2013 previous 64-bit processors which only supported 40 bit / 1TB. If you
2014 need processes of more than 1TB virtual address space, say Y here.
2015 This will result in additional memory usage, so it is not
2016 recommended for normal users.
2017
ea6e942b
AN
2018config KEXEC
2019 bool "Kexec system call (EXPERIMENTAL)"
2020 depends on EXPERIMENTAL
2021 help
2022 kexec is a system call that implements the ability to shutdown your
2023 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2024 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2025 you can start any kernel with it, not just Linux.
2026
01dd2fbf 2027 The name comes from the similarity to the exec system call.
ea6e942b
AN
2028
2029 It is an ongoing process to be certain the hardware in a machine
2030 is properly shutdown, so do not be surprised if this code does not
2031 initially work for you. It may help to enable device hotplugging
2032 support. As of this writing the exact hardware interface is
2033 strongly in flux, so no good recommendation can be made.
2034
2035config SECCOMP
2036 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2037 depends on PROC_FS
ea6e942b
AN
2038 default y
2039 help
2040 This kernel feature is useful for number crunching applications
2041 that may need to compute untrusted bytecode during their
2042 execution. By using pipes or other transports made available to
2043 the process as file descriptors supporting the read/write
2044 syscalls, it's possible to isolate those applications in
2045 their own address space using seccomp. Once seccomp is
2046 enabled via /proc/<pid>/seccomp, it cannot be disabled
2047 and the task is only allowed to execute a few safe syscalls
2048 defined by each seccomp mode.
2049
2050 If unsure, say Y. Only embedded should say N here.
2051
5e83d430
RB
2052endmenu
2053
1df0f0ff
AN
2054config LOCKDEP_SUPPORT
2055 bool
2056 default y
2057
2058config STACKTRACE_SUPPORT
2059 bool
2060 default y
2061
b6c3539b
RB
2062source "init/Kconfig"
2063
dc52ddc0
MH
2064source "kernel/Kconfig.freezer"
2065
1da177e4
LT
2066menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2067
5e83d430
RB
2068config HW_HAS_EISA
2069 bool
1da177e4
LT
2070config HW_HAS_PCI
2071 bool
2072
2073config PCI
2074 bool "Support for PCI controller"
2075 depends on HW_HAS_PCI
abb4ae46 2076 select PCI_DOMAINS
1da177e4
LT
2077 help
2078 Find out whether you have a PCI motherboard. PCI is the name of a
2079 bus system, i.e. the way the CPU talks to the other stuff inside
2080 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2081 say Y, otherwise N.
2082
1da177e4
LT
2083config PCI_DOMAINS
2084 bool
1da177e4
LT
2085
2086source "drivers/pci/Kconfig"
2087
2088#
2089# ISA support is now enabled via select. Too many systems still have the one
2090# or other ISA chip on the board that users don't know about so don't expect
2091# users to choose the right thing ...
2092#
2093config ISA
2094 bool
2095
2096config EISA
2097 bool "EISA support"
5e83d430 2098 depends on HW_HAS_EISA
1da177e4 2099 select ISA
aa414dff 2100 select GENERIC_ISA_DMA
1da177e4
LT
2101 ---help---
2102 The Extended Industry Standard Architecture (EISA) bus was
2103 developed as an open alternative to the IBM MicroChannel bus.
2104
2105 The EISA bus provided some of the features of the IBM MicroChannel
2106 bus while maintaining backward compatibility with cards made for
2107 the older ISA bus. The EISA bus saw limited use between 1988 and
2108 1995 when it was made obsolete by the PCI bus.
2109
2110 Say Y here if you are building a kernel for an EISA-based machine.
2111
2112 Otherwise, say N.
2113
2114source "drivers/eisa/Kconfig"
2115
2116config TC
2117 bool "TURBOchannel support"
2118 depends on MACH_DECSTATION
2119 help
2120 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2121 processors. Documentation on writing device drivers for TurboChannel
2122 is available at:
2123 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
2124
2125#config ACCESSBUS
2126# bool "Access.Bus support"
2127# depends on TC
2128
2129config MMU
2130 bool
2131 default y
2132
d865bea4
RB
2133config I8253
2134 bool
9726b43a 2135 select MIPS_EXTERNAL_TIMER
d865bea4 2136
cce335ae
RB
2137config ZONE_DMA32
2138 bool
2139
1da177e4
LT
2140source "drivers/pcmcia/Kconfig"
2141
2142source "drivers/pci/hotplug/Kconfig"
2143
2144endmenu
2145
2146menu "Executable file formats"
2147
2148source "fs/Kconfig.binfmt"
2149
2150config TRAD_SIGNALS
2151 bool
1da177e4 2152
1da177e4
LT
2153config MIPS32_COMPAT
2154 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2155 depends on 64BIT
1da177e4
LT
2156 help
2157 Select this option if you want Linux/MIPS 32-bit binary
2158 compatibility. Since all software available for Linux/MIPS is
2159 currently 32-bit you should say Y here.
2160
2161config COMPAT
2162 bool
2163 depends on MIPS32_COMPAT
2164 default y
2165
05e43966
AN
2166config SYSVIPC_COMPAT
2167 bool
2168 depends on COMPAT && SYSVIPC
2169 default y
2170
1da177e4
LT
2171config MIPS32_O32
2172 bool "Kernel support for o32 binaries"
2173 depends on MIPS32_COMPAT
2174 help
2175 Select this option if you want to run o32 binaries. These are pure
2176 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2177 existing binaries are in this format.
2178
2179 If unsure, say Y.
2180
2181config MIPS32_N32
2182 bool "Kernel support for n32 binaries"
2183 depends on MIPS32_COMPAT
2184 help
2185 Select this option if you want to run n32 binaries. These are
2186 64-bit binaries using 32-bit quantities for addressing and certain
2187 data that would normally be 64-bit. They are used in special
2188 cases.
2189
2190 If unsure, say N.
2191
2192config BINFMT_ELF32
2193 bool
2194 default y if MIPS32_O32 || MIPS32_N32
2195
2116245e
RB
2196endmenu
2197
2198menu "Power management options"
2199
363c55ca
WZ
2200config ARCH_HIBERNATION_POSSIBLE
2201 def_bool y
3f5b3e17 2202 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2203
f4cb5700
JB
2204config ARCH_SUSPEND_POSSIBLE
2205 def_bool y
3f5b3e17 2206 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2207
2116245e 2208source "kernel/power/Kconfig"
952fa954 2209
1da177e4
LT
2210endmenu
2211
9726b43a
WZ
2212source "arch/mips/kernel/cpufreq/Kconfig"
2213
d5950b43
SR
2214source "net/Kconfig"
2215
1da177e4
LT
2216source "drivers/Kconfig"
2217
2218source "fs/Kconfig"
2219
2220source "arch/mips/Kconfig.debug"
2221
2222source "security/Kconfig"
2223
2224source "crypto/Kconfig"
2225
2226source "lib/Kconfig"