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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[mirror_ubuntu-artful-kernel.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
c3fc5cd5 4 select HAVE_CONTEXT_TRACKING
f8ac0425 5 select HAVE_GENERIC_DMA_COHERENT
ec7748b5 6 select HAVE_IDE
42d4b839 7 select HAVE_OPROFILE
7f788d2d
DCZ
8 select HAVE_PERF_EVENTS
9 select PERF_USE_VMALLOC
88547001 10 select HAVE_ARCH_KGDB
7563bbf8 11 select ARCH_HAVE_CUSTOM_GPIO_H
d2bb0762 12 select HAVE_FUNCTION_TRACER
69a7d1b3 13 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
538f1952
WZ
14 select HAVE_DYNAMIC_FTRACE
15 select HAVE_FTRACE_MCOUNT_RECORD
64575f91 16 select HAVE_C_RECORDMCOUNT
29c5d346 17 select HAVE_FUNCTION_GRAPH_TRACER
c1bf207d
DD
18 select HAVE_KPROBES
19 select HAVE_KRETPROBES
b69ec42b 20 select HAVE_DEBUG_KMEMLEAK
e26d196c 21 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
383c97b4 22 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
21a41faa 23 select RTC_LIB if !MACH_LOONGSON
2b78920d 24 select GENERIC_ATOMIC64 if !64BIT
7463449b 25 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
48e1fd5a
DD
26 select HAVE_DMA_ATTRS
27 select HAVE_DMA_API_DEBUG
3bd27e32
DD
28 select HAVE_GENERIC_HARDIRQS
29 select GENERIC_IRQ_PROBE
f8396c17 30 select GENERIC_IRQ_SHOW
78857614 31 select GENERIC_PCI_IOMAP
94bb0c1a 32 select HAVE_ARCH_JUMP_LABEL
c1d7e01d 33 select ARCH_WANT_IPC_PARSE_VERSION
0f462e3c 34 select IRQ_FORCED_THREADING
9d15ffc8
TH
35 select HAVE_MEMBLOCK
36 select HAVE_MEMBLOCK_NODE_MAP
37 select ARCH_DISCARD_MEMBLOCK
360014a3 38 select GENERIC_SMP_IDLE_THREAD
4b054495 39 select BUILDTIME_EXTABLE_SORT
cde1794b
AMG
40 select GENERIC_CLOCKEVENTS
41 select GENERIC_CMOS_UPDATE
786d35d4 42 select HAVE_MOD_ARCH_SPECIFIC
4febd95a 43 select VIRT_TO_BUS
2f12fb20
JK
44 select MODULES_USE_ELF_REL if MODULES
45 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50150d2b 46 select CLONE_BACKWARDS
d1a1dc0b 47 select HAVE_DEBUG_STACKOVERFLOW
1da177e4 48
1da177e4
LT
49menu "Machine selection"
50
5e83d430
RB
51choice
52 prompt "System type"
53 default SGI_IP22
1da177e4 54
42a4f17d 55config MIPS_ALCHEMY
c3543e25 56 bool "Alchemy processor based machines"
42a4f17d 57 select 64BIT_PHYS_ADDR
f772cdb2 58 select CEVT_R4K
d7ea335c 59 select CSRC_R4K
42a4f17d
ML
60 select IRQ_CPU
61 select SYS_HAS_CPU_MIPS32_R1
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_APM_EMULATION
efb12436 64 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 65 select SYS_SUPPORTS_ZBOOT
37663860
ML
66 select USB_ARCH_HAS_OHCI
67 select USB_ARCH_HAS_EHCI
1da177e4 68
7ca5dc14
FF
69config AR7
70 bool "Texas Instruments AR7"
71 select BOOT_ELF32
72 select DMA_NONCOHERENT
73 select CEVT_R4K
74 select CSRC_R4K
75 select IRQ_CPU
76 select NO_EXCEPT_FILL
77 select SWAP_IO_SPACE
78 select SYS_HAS_CPU_MIPS32_R1
79 select SYS_HAS_EARLY_PRINTK
80 select SYS_SUPPORTS_32BIT_KERNEL
81 select SYS_SUPPORTS_LITTLE_ENDIAN
1b93b3c3 82 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 83 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 84 select VLYNQ
8551fb64 85 select HAVE_CLK
7ca5dc14
FF
86 help
87 Support for the Texas Instruments AR7 System-on-a-Chip
88 family: TNETD7100, 7200 and 7300.
89
d4a67d9d
GJ
90config ATH79
91 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 92 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
93 select BOOT_RAW
94 select CEVT_R4K
95 select CSRC_R4K
96 select DMA_NONCOHERENT
94638067 97 select HAVE_CLK
d4a67d9d 98 select IRQ_CPU
0aabf1a4 99 select MIPS_MACHINE
d4a67d9d
GJ
100 select SYS_HAS_CPU_MIPS32_R2
101 select SYS_HAS_EARLY_PRINTK
102 select SYS_SUPPORTS_32BIT_KERNEL
103 select SYS_SUPPORTS_BIG_ENDIAN
104 help
105 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
106
1c0c13eb 107config BCM47XX
c619366e 108 bool "Broadcom BCM47XX based boards"
2da4c74d 109 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 110 select BOOT_RAW
42f77542 111 select CEVT_R4K
940f6b48 112 select CSRC_R4K
1c0c13eb 113 select DMA_NONCOHERENT
0e2794b0 114 select FW_CFE
1c0c13eb
AJ
115 select HW_HAS_PCI
116 select IRQ_CPU
314878d2 117 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 118 select NO_EXCEPT_FILL
1c0c13eb
AJ
119 select SYS_SUPPORTS_32BIT_KERNEL
120 select SYS_SUPPORTS_LITTLE_ENDIAN
25e5fb97 121 select SYS_HAS_EARLY_PRINTK
1c0c13eb
AJ
122 help
123 Support for BCM47XX based boards
124
e7300d04
MB
125config BCM63XX
126 bool "Broadcom BCM63XX based boards"
ae8de61c 127 select BOOT_RAW
e7300d04
MB
128 select CEVT_R4K
129 select CSRC_R4K
130 select DMA_NONCOHERENT
131 select IRQ_CPU
132 select SYS_HAS_CPU_MIPS32_R1
d6e34698
JG
133 select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
134 select NR_CPUS_DEFAULT_2
e7300d04
MB
135 select SYS_SUPPORTS_32BIT_KERNEL
136 select SYS_SUPPORTS_BIG_ENDIAN
137 select SYS_HAS_EARLY_PRINTK
138 select SWAP_IO_SPACE
139 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 140 select HAVE_CLK
e7300d04
MB
141 help
142 Support for BCM63XX based boards
143
1da177e4 144config MIPS_COBALT
3fa986fa 145 bool "Cobalt Server"
42f77542 146 select CEVT_R4K
940f6b48 147 select CSRC_R4K
1097c6ac 148 select CEVT_GT641XX
1da177e4
LT
149 select DMA_NONCOHERENT
150 select HW_HAS_PCI
d865bea4 151 select I8253
1da177e4
LT
152 select I8259
153 select IRQ_CPU
d5ab1a69 154 select IRQ_GT641XX
252161ec 155 select PCI_GT64XXX_PCI0
e25bfc92 156 select PCI
7cf8053b 157 select SYS_HAS_CPU_NEVADA
0a22e0d4 158 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 159 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 160 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 161 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4
LT
162
163config MACH_DECSTATION
3fa986fa 164 bool "DECstations"
1da177e4 165 select BOOT_ELF32
6457d9fc 166 select CEVT_DS1287
42f77542 167 select CEVT_R4K
4247417d 168 select CSRC_IOASIC
940f6b48 169 select CSRC_R4K
20d60d99
MR
170 select CPU_DADDI_WORKAROUNDS if 64BIT
171 select CPU_R4000_WORKAROUNDS if 64BIT
172 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 173 select DMA_NONCOHERENT
d388d685 174 select NO_IOPORT
1da177e4 175 select IRQ_CPU
7cf8053b
RB
176 select SYS_HAS_CPU_R3000
177 select SYS_HAS_CPU_R4X00
ed5ba2fb 178 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 179 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 180 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
181 select SYS_SUPPORTS_128HZ
182 select SYS_SUPPORTS_256HZ
183 select SYS_SUPPORTS_1024HZ
5e83d430 184 help
1da177e4
LT
185 This enables support for DEC's MIPS based workstations. For details
186 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
187 DECstation porting pages on <http://decstation.unix-ag.org/>.
188
189 If you have one of the following DECstation Models you definitely
190 want to choose R4xx0 for the CPU Type:
191
9308816c
RB
192 DECstation 5000/50
193 DECstation 5000/150
194 DECstation 5000/260
195 DECsystem 5900/260
1da177e4
LT
196
197 otherwise choose R3000.
198
5e83d430 199config MACH_JAZZ
3fa986fa 200 bool "Jazz family of machines"
0e2794b0
RB
201 select FW_ARC
202 select FW_ARC32
5e83d430 203 select ARCH_MAY_HAVE_PC_FDC
42f77542 204 select CEVT_R4K
940f6b48 205 select CSRC_R4K
e2defae5 206 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 207 select GENERIC_ISA_DMA
8a118c38 208 select HAVE_PCSPKR_PLATFORM
ea202c63 209 select IRQ_CPU
d865bea4 210 select I8253
5e83d430
RB
211 select I8259
212 select ISA
7cf8053b 213 select SYS_HAS_CPU_R4X00
5e83d430 214 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 215 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 216 select SYS_SUPPORTS_100HZ
1da177e4 217 help
5e83d430
RB
218 This a family of machines based on the MIPS R4030 chipset which was
219 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 220 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
221 Olivetti M700-10 workstations.
222
5ebabe59
LPC
223config MACH_JZ4740
224 bool "Ingenic JZ4740 based machines"
225 select SYS_HAS_CPU_MIPS32_R1
226 select SYS_SUPPORTS_32BIT_KERNEL
227 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 228 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
229 select DMA_NONCOHERENT
230 select IRQ_CPU
5ebabe59
LPC
231 select ARCH_REQUIRE_GPIOLIB
232 select SYS_HAS_EARLY_PRINTK
233 select HAVE_PWM
ab5330eb 234 select HAVE_CLK
83bc7692 235 select GENERIC_IRQ_CHIP
5ebabe59 236
171bb2f1
JC
237config LANTIQ
238 bool "Lantiq based platforms"
239 select DMA_NONCOHERENT
240 select IRQ_CPU
241 select CEVT_R4K
242 select CSRC_R4K
243 select SYS_HAS_CPU_MIPS32_R1
244 select SYS_HAS_CPU_MIPS32_R2
245 select SYS_SUPPORTS_BIG_ENDIAN
246 select SYS_SUPPORTS_32BIT_KERNEL
247 select SYS_SUPPORTS_MULTITHREADING
248 select SYS_HAS_EARLY_PRINTK
249 select ARCH_REQUIRE_GPIOLIB
250 select SWAP_IO_SPACE
251 select BOOT_RAW
287e3f3f
JC
252 select HAVE_MACH_CLKDEV
253 select CLKDEV_LOOKUP
a0392222 254 select USE_OF
3f8c50c9
JC
255 select PINCTRL
256 select PINCTRL_LANTIQ
171bb2f1 257
1f21d2bd
BM
258config LASAT
259 bool "LASAT Networks platforms"
42f77542 260 select CEVT_R4K
940f6b48 261 select CSRC_R4K
1f21d2bd
BM
262 select DMA_NONCOHERENT
263 select SYS_HAS_EARLY_PRINTK
264 select HW_HAS_PCI
a5ccfe5c 265 select IRQ_CPU
1f21d2bd
BM
266 select PCI_GT64XXX_PCI0
267 select MIPS_NILE4
268 select R5000_CPU_SCACHE
269 select SYS_HAS_CPU_R5000
270 select SYS_SUPPORTS_32BIT_KERNEL
271 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
272 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 273
85749d24
WZ
274config MACH_LOONGSON
275 bool "Loongson family of machines"
c7e8c668 276 select SYS_SUPPORTS_ZBOOT
ade299d8 277 help
85749d24
WZ
278 This enables the support of Loongson family of machines.
279
280 Loongson is a family of general-purpose MIPS-compatible CPUs.
281 developed at Institute of Computing Technology (ICT),
282 Chinese Academy of Sciences (CAS) in the People's Republic
283 of China. The chief architect is Professor Weiwu Hu.
ade299d8 284
ca585cf9
KC
285config MACH_LOONGSON1
286 bool "Loongson 1 family of machines"
287 select SYS_SUPPORTS_ZBOOT
288 help
289 This enables support for the Loongson 1 based machines.
290
291 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
292 the ICT (Institute of Computing Technology) and the Chinese Academy
293 of Sciences.
294
1da177e4 295config MIPS_MALTA
3fa986fa 296 bool "MIPS Malta board"
61ed242d 297 select ARCH_MAY_HAVE_PC_FDC
1da177e4 298 select BOOT_ELF32
fa71c960 299 select BOOT_RAW
42f77542 300 select CEVT_R4K
940f6b48 301 select CSRC_R4K
778eeb1b 302 select CSRC_GIC
1da177e4
LT
303 select DMA_NONCOHERENT
304 select GENERIC_ISA_DMA
8a118c38 305 select HAVE_PCSPKR_PLATFORM
aa414dff 306 select IRQ_CPU
39b8d525 307 select IRQ_GIC
1da177e4 308 select HW_HAS_PCI
d865bea4 309 select I8253
1da177e4 310 select I8259
5e83d430 311 select MIPS_BONITO64
9318c51a 312 select MIPS_CPU_SCACHE
252161ec 313 select PCI_GT64XXX_PCI0
5e83d430 314 select MIPS_MSC
1da177e4 315 select SWAP_IO_SPACE
7cf8053b
RB
316 select SYS_HAS_CPU_MIPS32_R1
317 select SYS_HAS_CPU_MIPS32_R2
318 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 319 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
320 select SYS_HAS_CPU_NEVADA
321 select SYS_HAS_CPU_RM7000
36a88530 322 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
323 select SYS_SUPPORTS_32BIT_KERNEL
324 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
325 select SYS_SUPPORTS_BIG_ENDIAN
326 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 327 select SYS_SUPPORTS_MIPS_CMP
f41ae0b2 328 select SYS_SUPPORTS_MULTITHREADING
9693a853 329 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 330 select SYS_SUPPORTS_ZBOOT
1da177e4 331 help
f638d197 332 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
333 board.
334
ec47b274
SH
335config MIPS_SEAD3
336 bool "MIPS SEAD3 board"
337 select BOOT_ELF32
338 select BOOT_RAW
339 select CEVT_R4K
340 select CSRC_R4K
dfa762e1 341 select CSRC_GIC
ec47b274
SH
342 select CPU_MIPSR2_IRQ_VI
343 select CPU_MIPSR2_IRQ_EI
344 select DMA_NONCOHERENT
345 select IRQ_CPU
346 select IRQ_GIC
ec47b274
SH
347 select MIPS_MSC
348 select SYS_HAS_CPU_MIPS32_R1
349 select SYS_HAS_CPU_MIPS32_R2
350 select SYS_HAS_CPU_MIPS64_R1
351 select SYS_HAS_EARLY_PRINTK
352 select SYS_SUPPORTS_32BIT_KERNEL
353 select SYS_SUPPORTS_64BIT_KERNEL
354 select SYS_SUPPORTS_BIG_ENDIAN
355 select SYS_SUPPORTS_LITTLE_ENDIAN
356 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 357 select SYS_SUPPORTS_MICROMIPS
ec47b274
SH
358 select USB_ARCH_HAS_EHCI
359 select USB_EHCI_BIG_ENDIAN_DESC
360 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 361 select USE_OF
ec47b274
SH
362 help
363 This enables support for the MIPS Technologies SEAD3 evaluation
364 board.
365
a83860c2
RB
366config NEC_MARKEINS
367 bool "NEC EMMA2RH Mark-eins board"
368 select SOC_EMMA2RH
369 select HW_HAS_PCI
370 help
371 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 372
5e83d430 373config MACH_VR41XX
74142d65 374 bool "NEC VR4100 series based machines"
42f77542 375 select CEVT_R4K
940f6b48 376 select CSRC_R4K
7cf8053b 377 select SYS_HAS_CPU_VR41XX
27fdd325 378 select ARCH_REQUIRE_GPIOLIB
5e83d430 379
edb6310a
DL
380config NXP_STB220
381 bool "NXP STB220 board"
382 select SOC_PNX833X
383 help
384 Support for NXP Semiconductors STB220 Development Board.
385
386config NXP_STB225
387 bool "NXP 225 board"
388 select SOC_PNX833X
389 select SOC_PNX8335
390 help
391 Support for NXP Semiconductors STB225 Development Board.
392
9267a30d
MSJ
393config PMC_MSP
394 bool "PMC-Sierra MSP chipsets"
39d30c13
A
395 select CEVT_R4K
396 select CSRC_R4K
9267a30d
MSJ
397 select DMA_NONCOHERENT
398 select SWAP_IO_SPACE
399 select NO_EXCEPT_FILL
400 select BOOT_RAW
401 select SYS_HAS_CPU_MIPS32_R1
402 select SYS_HAS_CPU_MIPS32_R2
403 select SYS_SUPPORTS_32BIT_KERNEL
404 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
405 select IRQ_CPU
406 select SERIAL_8250
407 select SERIAL_8250_CONSOLE
9296d94d
FF
408 select USB_EHCI_BIG_ENDIAN_MMIO
409 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
410 help
411 This adds support for the PMC-Sierra family of Multi-Service
412 Processor System-On-A-Chips. These parts include a number
413 of integrated peripherals, interfaces and DSPs in addition to
414 a variety of MIPS cores.
415
a3a0f8c8
DV
416config POWERTV
417 bool "Cisco PowerTV"
418 select BOOT_ELF32
419 select CEVT_R4K
420 select CPU_MIPSR2_IRQ_VI
421 select CPU_MIPSR2_IRQ_EI
422 select CSRC_POWERTV
423 select DMA_NONCOHERENT
424 select HW_HAS_PCI
a3a0f8c8
DV
425 select SYS_HAS_CPU_MIPS32_R2
426 select SYS_SUPPORTS_32BIT_KERNEL
427 select SYS_SUPPORTS_BIG_ENDIAN
428 select SYS_SUPPORTS_HIGHMEM
429 select USB_OHCI_LITTLE_ENDIAN
430 help
431 This enables support for the Cisco PowerTV Platform.
432
ae2b5bb6
JC
433config RALINK
434 bool "Ralink based machines"
435 select CEVT_R4K
436 select CSRC_R4K
437 select BOOT_RAW
438 select DMA_NONCOHERENT
439 select IRQ_CPU
440 select USE_OF
441 select SYS_HAS_CPU_MIPS32_R1
442 select SYS_HAS_CPU_MIPS32_R2
443 select SYS_SUPPORTS_32BIT_KERNEL
444 select SYS_SUPPORTS_LITTLE_ENDIAN
445 select SYS_HAS_EARLY_PRINTK
446 select HAVE_MACH_CLKDEV
447 select CLKDEV_LOOKUP
448
1da177e4 449config SGI_IP22
3fa986fa 450 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
451 select FW_ARC
452 select FW_ARC32
1da177e4 453 select BOOT_ELF32
42f77542 454 select CEVT_R4K
940f6b48 455 select CSRC_R4K
e2defae5 456 select DEFAULT_SGI_PARTITION
1da177e4 457 select DMA_NONCOHERENT
5e83d430 458 select HW_HAS_EISA
d865bea4 459 select I8253
68de4803 460 select I8259
1da177e4
LT
461 select IP22_CPU_SCACHE
462 select IRQ_CPU
aa414dff 463 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
464 select SGI_HAS_I8042
465 select SGI_HAS_INDYDOG
36e5c21d 466 select SGI_HAS_HAL2
e2defae5
TB
467 select SGI_HAS_SEEQ
468 select SGI_HAS_WD93
469 select SGI_HAS_ZILOG
1da177e4 470 select SWAP_IO_SPACE
7cf8053b
RB
471 select SYS_HAS_CPU_R4X00
472 select SYS_HAS_CPU_R5000
2b5e63f6
MM
473 #
474 # Disable EARLY_PRINTK for now since it leads to overwritten prom
475 # memory during early boot on some machines.
476 #
477 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
478 # for a more details discussion
479 #
480 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
481 select SYS_SUPPORTS_32BIT_KERNEL
482 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 483 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
484 help
485 This are the SGI Indy, Challenge S and Indigo2, as well as certain
486 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
487 that runs on these, say Y here.
488
489config SGI_IP27
3fa986fa 490 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
491 select FW_ARC
492 select FW_ARC64
5e83d430 493 select BOOT_ELF64
e2defae5 494 select DEFAULT_SGI_PARTITION
634286f1 495 select DMA_COHERENT
36a88530 496 select SYS_HAS_EARLY_PRINTK
1da177e4 497 select HW_HAS_PCI
130e2fb7 498 select NR_CPUS_DEFAULT_64
7cf8053b 499 select SYS_HAS_CPU_R10000
ed5ba2fb 500 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 501 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 502 select SYS_SUPPORTS_NUMA
1a5c5de1 503 select SYS_SUPPORTS_SMP
1da177e4
LT
504 help
505 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
506 workstations. To compile a Linux kernel that runs on these, say Y
507 here.
508
e2defae5 509config SGI_IP28
7d60717e 510 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
511 select FW_ARC
512 select FW_ARC64
e2defae5
TB
513 select BOOT_ELF64
514 select CEVT_R4K
515 select CSRC_R4K
516 select DEFAULT_SGI_PARTITION
517 select DMA_NONCOHERENT
518 select GENERIC_ISA_DMA_SUPPORT_BROKEN
519 select IRQ_CPU
520 select HW_HAS_EISA
521 select I8253
522 select I8259
e2defae5
TB
523 select SGI_HAS_I8042
524 select SGI_HAS_INDYDOG
5b438c44 525 select SGI_HAS_HAL2
e2defae5
TB
526 select SGI_HAS_SEEQ
527 select SGI_HAS_WD93
528 select SGI_HAS_ZILOG
529 select SWAP_IO_SPACE
530 select SYS_HAS_CPU_R10000
2b5e63f6
MM
531 #
532 # Disable EARLY_PRINTK for now since it leads to overwritten prom
533 # memory during early boot on some machines.
534 #
535 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
536 # for a more details discussion
537 #
538 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
539 select SYS_SUPPORTS_64BIT_KERNEL
540 select SYS_SUPPORTS_BIG_ENDIAN
541 help
542 This is the SGI Indigo2 with R10000 processor. To compile a Linux
543 kernel that runs on these, say Y here.
544
1da177e4 545config SGI_IP32
cfd2afc0 546 bool "SGI IP32 (O2)"
0e2794b0
RB
547 select FW_ARC
548 select FW_ARC32
1da177e4 549 select BOOT_ELF32
42f77542 550 select CEVT_R4K
940f6b48 551 select CSRC_R4K
1da177e4
LT
552 select DMA_NONCOHERENT
553 select HW_HAS_PCI
dd67b155 554 select IRQ_CPU
1da177e4
LT
555 select R5000_CPU_SCACHE
556 select RM7000_CPU_SCACHE
7cf8053b
RB
557 select SYS_HAS_CPU_R5000
558 select SYS_HAS_CPU_R10000 if BROKEN
559 select SYS_HAS_CPU_RM7000
dd2f18fe 560 select SYS_HAS_CPU_NEVADA
ed5ba2fb 561 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 562 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 563 help
5e83d430 564 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 565
ade299d8
YY
566config SIBYTE_CRHINE
567 bool "Sibyte BCM91120C-CRhine"
9a6dcea1
AI
568 select BOOT_ELF32
569 select DMA_COHERENT
ade299d8 570 select SIBYTE_BCM1120
9a6dcea1 571 select SWAP_IO_SPACE
7cf8053b 572 select SYS_HAS_CPU_SB1
9a6dcea1
AI
573 select SYS_SUPPORTS_BIG_ENDIAN
574 select SYS_SUPPORTS_LITTLE_ENDIAN
575
ade299d8
YY
576config SIBYTE_CARMEL
577 bool "Sibyte BCM91120x-Carmel"
5e83d430 578 select BOOT_ELF32
1da177e4 579 select DMA_COHERENT
ade299d8 580 select SIBYTE_BCM1120
5e83d430 581 select SWAP_IO_SPACE
7cf8053b 582 select SYS_HAS_CPU_SB1
81731f79 583 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 584 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 585
ade299d8
YY
586config SIBYTE_CRHONE
587 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
588 select BOOT_ELF32
589 select DMA_COHERENT
ade299d8 590 select SIBYTE_BCM1125
5e83d430 591 select SWAP_IO_SPACE
7cf8053b 592 select SYS_HAS_CPU_SB1
5e83d430 593 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 594 select SYS_SUPPORTS_HIGHMEM
5e83d430 595 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 596
5e83d430 597config SIBYTE_RHONE
3fa986fa 598 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
599 select BOOT_ELF32
600 select DMA_COHERENT
601 select SIBYTE_BCM1125H
602 select SWAP_IO_SPACE
7cf8053b 603 select SYS_HAS_CPU_SB1
5e83d430
RB
604 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 606
ade299d8
YY
607config SIBYTE_SWARM
608 bool "Sibyte BCM91250A-SWARM"
5e83d430 609 select BOOT_ELF32
26a940e2 610 select DMA_COHERENT
fcf3ca4c 611 select HAVE_PATA_PLATFORM
ade299d8
YY
612 select NR_CPUS_DEFAULT_2
613 select SIBYTE_SB1250
5e83d430 614 select SWAP_IO_SPACE
7cf8053b 615 select SYS_HAS_CPU_SB1
5e83d430 616 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 617 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 618 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 619 select ZONE_DMA32 if 64BIT
e3ad1c23 620
ade299d8
YY
621config SIBYTE_LITTLESUR
622 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
623 select BOOT_ELF32
624 select DMA_COHERENT
fcf3ca4c 625 select HAVE_PATA_PLATFORM
130e2fb7 626 select NR_CPUS_DEFAULT_2
5e83d430
RB
627 select SIBYTE_SB1250
628 select SWAP_IO_SPACE
7cf8053b 629 select SYS_HAS_CPU_SB1
5e83d430
RB
630 select SYS_SUPPORTS_BIG_ENDIAN
631 select SYS_SUPPORTS_HIGHMEM
632 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 633
ade299d8
YY
634config SIBYTE_SENTOSA
635 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
636 select BOOT_ELF32
637 select DMA_COHERENT
130e2fb7 638 select NR_CPUS_DEFAULT_2
5e83d430
RB
639 select SIBYTE_SB1250
640 select SWAP_IO_SPACE
7cf8053b 641 select SYS_HAS_CPU_SB1
5e83d430 642 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 643 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 644
ade299d8
YY
645config SIBYTE_BIGSUR
646 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
647 select BOOT_ELF32
648 select DMA_COHERENT
ade299d8 649 select NR_CPUS_DEFAULT_4
ade299d8 650 select SIBYTE_BCM1x80
5e83d430 651 select SWAP_IO_SPACE
7cf8053b 652 select SYS_HAS_CPU_SB1
5e83d430 653 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 654 select SYS_SUPPORTS_HIGHMEM
5e83d430 655 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 656 select ZONE_DMA32 if 64BIT
1da177e4 657
14b36af4
TB
658config SNI_RM
659 bool "SNI RM200/300/400"
0e2794b0
RB
660 select FW_ARC if CPU_LITTLE_ENDIAN
661 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 662 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 663 select ARCH_MAY_HAVE_PC_FDC
1da177e4 664 select BOOT_ELF32
42f77542 665 select CEVT_R4K
940f6b48 666 select CSRC_R4K
e2defae5 667 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
668 select DMA_NONCOHERENT
669 select GENERIC_ISA_DMA
8a118c38 670 select HAVE_PCSPKR_PLATFORM
5e83d430 671 select HW_HAS_EISA
1da177e4 672 select HW_HAS_PCI
c066a32a 673 select IRQ_CPU
d865bea4 674 select I8253
1da177e4
LT
675 select I8259
676 select ISA
4a0312fc 677 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 678 select SYS_HAS_CPU_R4X00
4a0312fc 679 select SYS_HAS_CPU_R5000
c066a32a 680 select SYS_HAS_CPU_R10000
4a0312fc 681 select R5000_CPU_SCACHE
36a88530 682 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 683 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 684 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 685 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 686 select SYS_SUPPORTS_HIGHMEM
5e83d430 687 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 688 help
14b36af4
TB
689 The SNI RM200/300/400 are MIPS-based machines manufactured by
690 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
691 Technology and now in turn merged with Fujitsu. Say Y here to
692 support this machine type.
693
edcaf1a6
AN
694config MACH_TX39XX
695 bool "Toshiba TX39 series based machines"
5e83d430 696
edcaf1a6
AN
697config MACH_TX49XX
698 bool "Toshiba TX49 series based machines"
5e83d430 699
73b4390f
RB
700config MIKROTIK_RB532
701 bool "Mikrotik RB532 boards"
702 select CEVT_R4K
703 select CSRC_R4K
704 select DMA_NONCOHERENT
73b4390f
RB
705 select HW_HAS_PCI
706 select IRQ_CPU
707 select SYS_HAS_CPU_MIPS32_R1
708 select SYS_SUPPORTS_32BIT_KERNEL
709 select SYS_SUPPORTS_LITTLE_ENDIAN
710 select SWAP_IO_SPACE
711 select BOOT_RAW
d888e25b 712 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
713 help
714 Support the Mikrotik(tm) RouterBoard 532 series,
715 based on the IDT RC32434 SoC.
716
9ddebc46
DD
717config CAVIUM_OCTEON_SOC
718 bool "Cavium Networks Octeon SoC based boards"
a86c7f72
DD
719 select CEVT_R4K
720 select 64BIT_PHYS_ADDR
721 select DMA_COHERENT
722 select SYS_SUPPORTS_64BIT_KERNEL
723 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 724 select EDAC_SUPPORT
773cb77d 725 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 726 select SYS_HAS_EARLY_PRINTK
5e683389 727 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 728 select SWAP_IO_SPACE
e8635b48 729 select HW_HAS_PCI
f00e001e 730 select ZONE_DMA32
340fbb8b
DD
731 select USB_ARCH_HAS_OHCI
732 select USB_ARCH_HAS_EHCI
465aaed0 733 select HOLES_IN_ZONE
a86c7f72
DD
734 help
735 This option supports all of the Octeon reference boards from Cavium
736 Networks. It builds a kernel that dynamically determines the Octeon
737 CPU type and supports all known board reference implementations.
738 Some of the supported boards are:
739 EBT3000
740 EBH3000
741 EBH3100
742 Thunder
743 Kodama
744 Hikari
745 Say Y here for most Octeon reference boards.
746
7f058e85
J
747config NLM_XLR_BOARD
748 bool "Netlogic XLR/XLS based systems"
7f058e85
J
749 select BOOT_ELF32
750 select NLM_COMMON
7f058e85
J
751 select SYS_HAS_CPU_XLR
752 select SYS_SUPPORTS_SMP
753 select HW_HAS_PCI
754 select SWAP_IO_SPACE
755 select SYS_SUPPORTS_32BIT_KERNEL
756 select SYS_SUPPORTS_64BIT_KERNEL
757 select 64BIT_PHYS_ADDR
758 select SYS_SUPPORTS_BIG_ENDIAN
759 select SYS_SUPPORTS_HIGHMEM
760 select DMA_COHERENT
761 select NR_CPUS_DEFAULT_32
762 select CEVT_R4K
763 select CSRC_R4K
764 select IRQ_CPU
b97215fd 765 select ZONE_DMA32 if 64BIT
7f058e85
J
766 select SYNC_R4K
767 select SYS_HAS_EARLY_PRINTK
f35574a3
J
768 select USB_ARCH_HAS_OHCI if USB_SUPPORT
769 select USB_ARCH_HAS_EHCI if USB_SUPPORT
8f0b0430
J
770 select SYS_SUPPORTS_ZBOOT
771 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
772 help
773 Support for systems based on Netlogic XLR and XLS processors.
774 Say Y here if you have a XLR or XLS based board.
775
1c773ea4
J
776config NLM_XLP_BOARD
777 bool "Netlogic XLP based systems"
1c773ea4
J
778 select BOOT_ELF32
779 select NLM_COMMON
780 select SYS_HAS_CPU_XLP
781 select SYS_SUPPORTS_SMP
782 select HW_HAS_PCI
1c773ea4
J
783 select SYS_SUPPORTS_32BIT_KERNEL
784 select SYS_SUPPORTS_64BIT_KERNEL
785 select 64BIT_PHYS_ADDR
786 select SYS_SUPPORTS_BIG_ENDIAN
787 select SYS_SUPPORTS_LITTLE_ENDIAN
788 select SYS_SUPPORTS_HIGHMEM
789 select DMA_COHERENT
790 select NR_CPUS_DEFAULT_32
791 select CEVT_R4K
792 select CSRC_R4K
793 select IRQ_CPU
b97215fd 794 select ZONE_DMA32 if 64BIT
1c773ea4
J
795 select SYNC_R4K
796 select SYS_HAS_EARLY_PRINTK
2f6528e1 797 select USE_OF
8f0b0430
J
798 select SYS_SUPPORTS_ZBOOT
799 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
800 help
801 This board is based on Netlogic XLP Processor.
802 Say Y here if you have a XLP based board.
803
5e83d430 804endchoice
1da177e4 805
e8c7c482 806source "arch/mips/alchemy/Kconfig"
d4a67d9d 807source "arch/mips/ath79/Kconfig"
a656ffcb 808source "arch/mips/bcm47xx/Kconfig"
e7300d04 809source "arch/mips/bcm63xx/Kconfig"
5e83d430 810source "arch/mips/jazz/Kconfig"
5ebabe59 811source "arch/mips/jz4740/Kconfig"
8ec6d935 812source "arch/mips/lantiq/Kconfig"
1f21d2bd 813source "arch/mips/lasat/Kconfig"
0f3a05cb 814source "arch/mips/pmcs-msp71xx/Kconfig"
a3a0f8c8 815source "arch/mips/powertv/Kconfig"
ae2b5bb6 816source "arch/mips/ralink/Kconfig"
29c48699 817source "arch/mips/sgi-ip27/Kconfig"
38b18f72 818source "arch/mips/sibyte/Kconfig"
22b1d707 819source "arch/mips/txx9/Kconfig"
5e83d430 820source "arch/mips/vr41xx/Kconfig"
a86c7f72 821source "arch/mips/cavium-octeon/Kconfig"
85749d24 822source "arch/mips/loongson/Kconfig"
ca585cf9 823source "arch/mips/loongson1/Kconfig"
7f058e85 824source "arch/mips/netlogic/Kconfig"
38b18f72 825
5e83d430
RB
826endmenu
827
1da177e4
LT
828config RWSEM_GENERIC_SPINLOCK
829 bool
830 default y
831
832config RWSEM_XCHGADD_ALGORITHM
833 bool
834
f0d1b0b3
DH
835config ARCH_HAS_ILOG2_U32
836 bool
837 default n
838
839config ARCH_HAS_ILOG2_U64
840 bool
841 default n
842
3c9ee7ef
AM
843config GENERIC_HWEIGHT
844 bool
845 default y
846
1da177e4
LT
847config GENERIC_CALIBRATE_DELAY
848 bool
849 default y
850
ae1e9130 851config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
852 bool
853 default y
854
1da177e4
LT
855#
856# Select some configuration options automatically based on user selections.
857#
0e2794b0 858config FW_ARC
1da177e4 859 bool
1da177e4 860
61ed242d
RB
861config ARCH_MAY_HAVE_PC_FDC
862 bool
863
9267a30d
MSJ
864config BOOT_RAW
865 bool
866
217dd11e
RB
867config CEVT_BCM1480
868 bool
869
6457d9fc
YY
870config CEVT_DS1287
871 bool
872
1097c6ac
YY
873config CEVT_GT641XX
874 bool
875
42f77542
RB
876config CEVT_R4K
877 bool
878
0ab2b7d0
RG
879config CEVT_GIC
880 bool
881
217dd11e
RB
882config CEVT_SB1250
883 bool
884
229f773e
AN
885config CEVT_TXX9
886 bool
887
217dd11e
RB
888config CSRC_BCM1480
889 bool
890
4247417d
YY
891config CSRC_IOASIC
892 bool
893
a3a0f8c8
DV
894config CSRC_POWERTV
895 bool
896
940f6b48
RB
897config CSRC_R4K
898 bool
899
778eeb1b
SH
900config CSRC_GIC
901 bool
902
217dd11e
RB
903config CSRC_SB1250
904 bool
905
a9aec7fe 906config GPIO_TXX9
7444a72e 907 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
908 bool
909
0e2794b0 910config FW_CFE
df78b5c8
AJ
911 bool
912
4bafad92
FT
913config ARCH_DMA_ADDR_T_64BIT
914 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
915
4ce588cd 916config DMA_COHERENT
1da177e4
LT
917 bool
918
4ce588cd
RB
919config DMA_NONCOHERENT
920 bool
e1e02b32 921 select NEED_DMA_MAP_STATE
4ce588cd 922
e1e02b32 923config NEED_DMA_MAP_STATE
1da177e4
LT
924 bool
925
36a88530 926config SYS_HAS_EARLY_PRINTK
1da177e4 927 bool
1da177e4 928
dbb74540 929config HOTPLUG_CPU
1b2bc75c 930 bool "Support for hot-pluggable CPUs"
40b31360 931 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1b2bc75c
RB
932 help
933 Say Y here to allow turning CPUs off and on. CPUs can be
934 controlled through /sys/devices/system/cpu.
935 (Note: power management support will enable this option
936 automatically on SMP systems. )
937 Say N if you want to disable CPU hotplug.
938
939config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 940 bool
dbb74540 941
1da177e4
LT
942config I8259
943 bool
1da177e4 944
1da177e4
LT
945config MIPS_BONITO64
946 bool
1da177e4
LT
947
948config MIPS_MSC
949 bool
1da177e4 950
1f21d2bd
BM
951config MIPS_NILE4
952 bool
953
39b8d525
RB
954config SYNC_R4K
955 bool
956
487d70d0
GJ
957config MIPS_MACHINE
958 def_bool n
959
d388d685
MR
960config NO_IOPORT
961 def_bool n
962
8313da30
RB
963config GENERIC_ISA_DMA
964 bool
965 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 966 select ISA_DMA_API
8313da30 967
aa414dff
RB
968config GENERIC_ISA_DMA_SUPPORT_BROKEN
969 bool
8313da30 970 select GENERIC_ISA_DMA
aa414dff 971
a35bee8a
NK
972config ISA_DMA_API
973 bool
974
465aaed0
DD
975config HOLES_IN_ZONE
976 bool
977
5e83d430 978#
6b2aac42 979# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
980# answer,so we try hard to limit the available choices. Also the use of a
981# choice statement should be more obvious to the user.
982#
983choice
6b2aac42 984 prompt "Endianness selection"
1da177e4
LT
985 help
986 Some MIPS machines can be configured for either little or big endian
5e83d430 987 byte order. These modes require different kernels and a different
3cb2fccc 988 Linux distribution. In general there is one preferred byteorder for a
5e83d430 989 particular system but some systems are just as commonly used in the
3dde6ad8 990 one or the other endianness.
5e83d430
RB
991
992config CPU_BIG_ENDIAN
993 bool "Big endian"
994 depends on SYS_SUPPORTS_BIG_ENDIAN
995
996config CPU_LITTLE_ENDIAN
997 bool "Little endian"
998 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
999
1000endchoice
1001
22b0763a
DD
1002config EXPORT_UASM
1003 bool
1004
2116245e
RB
1005config SYS_SUPPORTS_APM_EMULATION
1006 bool
1007
5e83d430
RB
1008config SYS_SUPPORTS_BIG_ENDIAN
1009 bool
1010
1011config SYS_SUPPORTS_LITTLE_ENDIAN
1012 bool
1da177e4 1013
9cffd154
DD
1014config SYS_SUPPORTS_HUGETLBFS
1015 bool
1016 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1017 default y
1018
aa1762f4
DD
1019config MIPS_HUGE_TLB_SUPPORT
1020 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1021
1da177e4
LT
1022config IRQ_CPU
1023 bool
1024
1025config IRQ_CPU_RM7K
1026 bool
1027
9267a30d
MSJ
1028config IRQ_MSP_SLP
1029 bool
1030
1031config IRQ_MSP_CIC
1032 bool
1033
8420fd00
AN
1034config IRQ_TXX9
1035 bool
1036
d5ab1a69
YY
1037config IRQ_GT641XX
1038 bool
1039
39b8d525
RB
1040config IRQ_GIC
1041 bool
1042
252161ec 1043config PCI_GT64XXX_PCI0
1da177e4 1044 bool
1da177e4 1045
9267a30d
MSJ
1046config NO_EXCEPT_FILL
1047 bool
1048
a83860c2
RB
1049config SOC_EMMA2RH
1050 bool
1051 select CEVT_R4K
1052 select CSRC_R4K
1053 select DMA_NONCOHERENT
1054 select IRQ_CPU
1055 select SWAP_IO_SPACE
1056 select SYS_HAS_CPU_R5500
1057 select SYS_SUPPORTS_32BIT_KERNEL
1058 select SYS_SUPPORTS_64BIT_KERNEL
1059 select SYS_SUPPORTS_BIG_ENDIAN
1060
edb6310a
DL
1061config SOC_PNX833X
1062 bool
1063 select CEVT_R4K
1064 select CSRC_R4K
1065 select IRQ_CPU
1066 select DMA_NONCOHERENT
1067 select SYS_HAS_CPU_MIPS32_R2
1068 select SYS_SUPPORTS_32BIT_KERNEL
1069 select SYS_SUPPORTS_LITTLE_ENDIAN
1070 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
1071 select CPU_MIPSR2_IRQ_VI
1072
1073config SOC_PNX8335
1074 bool
1075 select SOC_PNX833X
1076
1da177e4
LT
1077config SWAP_IO_SPACE
1078 bool
1079
e2defae5
TB
1080config SGI_HAS_INDYDOG
1081 bool
1082
5b438c44
TB
1083config SGI_HAS_HAL2
1084 bool
1085
e2defae5
TB
1086config SGI_HAS_SEEQ
1087 bool
1088
1089config SGI_HAS_WD93
1090 bool
1091
1092config SGI_HAS_ZILOG
1093 bool
1094
1095config SGI_HAS_I8042
1096 bool
1097
1098config DEFAULT_SGI_PARTITION
1099 bool
1100
0e2794b0 1101config FW_ARC32
5e83d430
RB
1102 bool
1103
aaa9fad3 1104config FW_SNIPROM
231a35d3
TB
1105 bool
1106
1da177e4
LT
1107config BOOT_ELF32
1108 bool
1da177e4
LT
1109
1110config MIPS_L1_CACHE_SHIFT
1111 int
80fb55a9 1112 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
0db2b74e 1113 default "6" if MIPS_CPU_SCACHE
a86c7f72 1114 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1da177e4
LT
1115 default "5"
1116
1da177e4
LT
1117config HAVE_STD_PC_SERIAL_PORT
1118 bool
1119
1da177e4
LT
1120config ARC_CONSOLE
1121 bool "ARC console support"
e2defae5 1122 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1123
1124config ARC_MEMORY
1125 bool
14b36af4 1126 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1127 default y
1128
1129config ARC_PROMLIB
1130 bool
e2defae5 1131 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1132 default y
1133
0e2794b0 1134config FW_ARC64
1da177e4 1135 bool
1da177e4
LT
1136
1137config BOOT_ELF64
1138 bool
1da177e4 1139
1da177e4
LT
1140menu "CPU selection"
1141
1142choice
1143 prompt "CPU type"
1144 default CPU_R4X00
1145
3702bba5
WZ
1146config CPU_LOONGSON2E
1147 bool "Loongson 2E"
1148 depends on SYS_HAS_CPU_LOONGSON2E
1149 select CPU_LOONGSON2
2a21c730
FZ
1150 help
1151 The Loongson 2E processor implements the MIPS III instruction set
1152 with many extensions.
1153
25985edc 1154 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1155 bonito64.
1156
1157config CPU_LOONGSON2F
1158 bool "Loongson 2F"
1159 depends on SYS_HAS_CPU_LOONGSON2F
1160 select CPU_LOONGSON2
c197da91 1161 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1162 help
1163 The Loongson 2F processor implements the MIPS III instruction set
1164 with many extensions.
1165
1166 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1167 have a similar programming interface with FPGA northbridge used in
1168 Loongson2E.
1169
ca585cf9
KC
1170config CPU_LOONGSON1B
1171 bool "Loongson 1B"
1172 depends on SYS_HAS_CPU_LOONGSON1B
1173 select CPU_LOONGSON1
1174 help
1175 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1176 release 2 instruction set.
1177
6e760c8d
RB
1178config CPU_MIPS32_R1
1179 bool "MIPS32 Release 1"
7cf8053b 1180 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1181 select CPU_HAS_PREFETCH
797798c1 1182 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1183 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1184 help
5e83d430 1185 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1186 MIPS32 architecture. Most modern embedded systems with a 32-bit
1187 MIPS processor are based on a MIPS32 processor. If you know the
1188 specific type of processor in your system, choose those that one
1189 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1190 Release 2 of the MIPS32 architecture is available since several
1191 years so chances are you even have a MIPS32 Release 2 processor
1192 in which case you should choose CPU_MIPS32_R2 instead for better
1193 performance.
1194
1195config CPU_MIPS32_R2
1196 bool "MIPS32 Release 2"
7cf8053b 1197 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1198 select CPU_HAS_PREFETCH
797798c1 1199 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1200 select CPU_SUPPORTS_HIGHMEM
2235a54d 1201 select HAVE_KVM
6e760c8d 1202 help
5e83d430 1203 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1204 MIPS32 architecture. Most modern embedded systems with a 32-bit
1205 MIPS processor are based on a MIPS32 processor. If you know the
1206 specific type of processor in your system, choose those that one
1207 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1208
1209config CPU_MIPS64_R1
1210 bool "MIPS64 Release 1"
7cf8053b 1211 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1212 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1213 select CPU_SUPPORTS_32BIT_KERNEL
1214 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1215 select CPU_SUPPORTS_HIGHMEM
9cffd154 1216 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1217 help
1218 Choose this option to build a kernel for release 1 or later of the
1219 MIPS64 architecture. Many modern embedded systems with a 64-bit
1220 MIPS processor are based on a MIPS64 processor. If you know the
1221 specific type of processor in your system, choose those that one
1222 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1223 Release 2 of the MIPS64 architecture is available since several
1224 years so chances are you even have a MIPS64 Release 2 processor
1225 in which case you should choose CPU_MIPS64_R2 instead for better
1226 performance.
1227
1228config CPU_MIPS64_R2
1229 bool "MIPS64 Release 2"
7cf8053b 1230 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1231 select CPU_HAS_PREFETCH
1e5f1caa
RB
1232 select CPU_SUPPORTS_32BIT_KERNEL
1233 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1234 select CPU_SUPPORTS_HIGHMEM
9cffd154 1235 select CPU_SUPPORTS_HUGEPAGES
1e5f1caa
RB
1236 help
1237 Choose this option to build a kernel for release 2 or later of the
1238 MIPS64 architecture. Many modern embedded systems with a 64-bit
1239 MIPS processor are based on a MIPS64 processor. If you know the
1240 specific type of processor in your system, choose those that one
1241 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1242
1243config CPU_R3000
1244 bool "R3000"
7cf8053b 1245 depends on SYS_HAS_CPU_R3000
f7062ddb 1246 select CPU_HAS_WB
ed5ba2fb 1247 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1248 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1249 help
1250 Please make sure to pick the right CPU type. Linux/MIPS is not
1251 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1252 *not* work on R4000 machines and vice versa. However, since most
1253 of the supported machines have an R4000 (or similar) CPU, R4x00
1254 might be a safe bet. If the resulting kernel does not work,
1255 try to recompile with R3000.
1256
1257config CPU_TX39XX
1258 bool "R39XX"
7cf8053b 1259 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1260 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1261
1262config CPU_VR41XX
1263 bool "R41xx"
7cf8053b 1264 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1265 select CPU_SUPPORTS_32BIT_KERNEL
1266 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1267 help
5e83d430 1268 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1269 Only choose this option if you have one of these processors as a
1270 kernel built with this option will not run on any other type of
1271 processor or vice versa.
1272
1273config CPU_R4300
1274 bool "R4300"
7cf8053b 1275 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1276 select CPU_SUPPORTS_32BIT_KERNEL
1277 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1278 help
1279 MIPS Technologies R4300-series processors.
1280
1281config CPU_R4X00
1282 bool "R4x00"
7cf8053b 1283 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1284 select CPU_SUPPORTS_32BIT_KERNEL
1285 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1286 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1287 help
1288 MIPS Technologies R4000-series processors other than 4300, including
1289 the R4000, R4400, R4600, and 4700.
1290
1291config CPU_TX49XX
1292 bool "R49XX"
7cf8053b 1293 depends on SYS_HAS_CPU_TX49XX
de862b48 1294 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1295 select CPU_SUPPORTS_32BIT_KERNEL
1296 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1297 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1298
1299config CPU_R5000
1300 bool "R5000"
7cf8053b 1301 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1302 select CPU_SUPPORTS_32BIT_KERNEL
1303 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1304 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1305 help
1306 MIPS Technologies R5000-series processors other than the Nevada.
1307
1308config CPU_R5432
1309 bool "R5432"
7cf8053b 1310 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1311 select CPU_SUPPORTS_32BIT_KERNEL
1312 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1313 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1314
542c1020
SK
1315config CPU_R5500
1316 bool "R5500"
1317 depends on SYS_HAS_CPU_R5500
542c1020
SK
1318 select CPU_SUPPORTS_32BIT_KERNEL
1319 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1320 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1321 help
1322 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1323 instruction set.
1324
1da177e4
LT
1325config CPU_R6000
1326 bool "R6000"
7cf8053b 1327 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1328 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1329 help
1330 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1331 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1332
1333config CPU_NEVADA
1334 bool "RM52xx"
7cf8053b 1335 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1336 select CPU_SUPPORTS_32BIT_KERNEL
1337 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1338 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1339 help
1340 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1341
1342config CPU_R8000
1343 bool "R8000"
7cf8053b 1344 depends on SYS_HAS_CPU_R8000
5e83d430 1345 select CPU_HAS_PREFETCH
ed5ba2fb 1346 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1347 help
1348 MIPS Technologies R8000 processors. Note these processors are
1349 uncommon and the support for them is incomplete.
1350
1351config CPU_R10000
1352 bool "R10000"
7cf8053b 1353 depends on SYS_HAS_CPU_R10000
5e83d430 1354 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1355 select CPU_SUPPORTS_32BIT_KERNEL
1356 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1357 select CPU_SUPPORTS_HIGHMEM
970d032f 1358 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1359 help
1360 MIPS Technologies R10000-series processors.
1361
1362config CPU_RM7000
1363 bool "RM7000"
7cf8053b 1364 depends on SYS_HAS_CPU_RM7000
5e83d430 1365 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1366 select CPU_SUPPORTS_32BIT_KERNEL
1367 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1368 select CPU_SUPPORTS_HIGHMEM
970d032f 1369 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1370
1371config CPU_SB1
1372 bool "SB1"
7cf8053b 1373 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1374 select CPU_SUPPORTS_32BIT_KERNEL
1375 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1376 select CPU_SUPPORTS_HIGHMEM
970d032f 1377 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1378 select WEAK_ORDERING
1da177e4 1379
a86c7f72
DD
1380config CPU_CAVIUM_OCTEON
1381 bool "Cavium Octeon processor"
5e683389 1382 depends on SYS_HAS_CPU_CAVIUM_OCTEON
7ee91de4 1383 select ARCH_SPARSEMEM_ENABLE
a86c7f72
DD
1384 select CPU_HAS_PREFETCH
1385 select CPU_SUPPORTS_64BIT_KERNEL
1386 select SYS_SUPPORTS_SMP
1387 select NR_CPUS_DEFAULT_16
1388 select WEAK_ORDERING
a86c7f72 1389 select CPU_SUPPORTS_HIGHMEM
9cffd154 1390 select CPU_SUPPORTS_HUGEPAGES
7ed18152
DD
1391 select LIBFDT
1392 select USE_OF
9296d94d 1393 select USB_EHCI_BIG_ENDIAN_MMIO
a86c7f72
DD
1394 help
1395 The Cavium Octeon processor is a highly integrated chip containing
1396 many ethernet hardware widgets for networking tasks. The processor
1397 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1398 Full details can be found at http://www.caviumnetworks.com.
1399
c1c0c461
KC
1400config CPU_BMIPS3300
1401 bool "BMIPS3300"
1402 depends on SYS_HAS_CPU_BMIPS3300
1bbb6c1b 1403 select CPU_BMIPS
c1c0c461
KC
1404 help
1405 Broadcom BMIPS3300 processors.
1406
1407config CPU_BMIPS4350
1408 bool "BMIPS4350"
1409 depends on SYS_HAS_CPU_BMIPS4350
1bbb6c1b 1410 select CPU_BMIPS
c1c0c461
KC
1411 select SYS_SUPPORTS_SMP
1412 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1413 help
1414 Broadcom BMIPS4350 ("VIPER") processors.
1415
1416config CPU_BMIPS4380
1417 bool "BMIPS4380"
1418 depends on SYS_HAS_CPU_BMIPS4380
1bbb6c1b 1419 select CPU_BMIPS
c1c0c461
KC
1420 select SYS_SUPPORTS_SMP
1421 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1422 help
1423 Broadcom BMIPS4380 processors.
1424
1425config CPU_BMIPS5000
1426 bool "BMIPS5000"
1427 depends on SYS_HAS_CPU_BMIPS5000
1bbb6c1b 1428 select CPU_BMIPS
c1c0c461 1429 select CPU_SUPPORTS_HIGHMEM
1bbb6c1b 1430 select MIPS_CPU_SCACHE
c1c0c461
KC
1431 select SYS_SUPPORTS_SMP
1432 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1433 help
1434 Broadcom BMIPS5000 processors.
1435
7f058e85
J
1436config CPU_XLR
1437 bool "Netlogic XLR SoC"
1438 depends on SYS_HAS_CPU_XLR
1439 select CPU_SUPPORTS_32BIT_KERNEL
1440 select CPU_SUPPORTS_64BIT_KERNEL
1441 select CPU_SUPPORTS_HIGHMEM
970d032f 1442 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1443 select WEAK_ORDERING
1444 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1445 help
1446 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1447
1448config CPU_XLP
1449 bool "Netlogic XLP SoC"
1450 depends on SYS_HAS_CPU_XLP
1451 select CPU_SUPPORTS_32BIT_KERNEL
1452 select CPU_SUPPORTS_64BIT_KERNEL
1453 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1454 select WEAK_ORDERING
1455 select WEAK_REORDERING_BEYOND_LLSC
1456 select CPU_HAS_PREFETCH
d6504846 1457 select CPU_MIPSR2
1c773ea4
J
1458 help
1459 Netlogic Microsystems XLP processors.
1da177e4
LT
1460endchoice
1461
622844bf
WZ
1462if CPU_LOONGSON2F
1463config CPU_NOP_WORKAROUNDS
1464 bool
1465
1466config CPU_JUMP_WORKAROUNDS
1467 bool
1468
1469config CPU_LOONGSON2F_WORKAROUNDS
1470 bool "Loongson 2F Workarounds"
1471 default y
1472 select CPU_NOP_WORKAROUNDS
1473 select CPU_JUMP_WORKAROUNDS
1474 help
1475 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1476 require workarounds. Without workarounds the system may hang
1477 unexpectedly. For more information please refer to the gas
1478 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1479
1480 Loongson 2F03 and later have fixed these issues and no workarounds
1481 are needed. The workarounds have no significant side effect on them
1482 but may decrease the performance of the system so this option should
1483 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1484 systems.
1485
1486 If unsure, please say Y.
1487endif # CPU_LOONGSON2F
1488
1b93b3c3
WZ
1489config SYS_SUPPORTS_ZBOOT
1490 bool
1491 select HAVE_KERNEL_GZIP
1492 select HAVE_KERNEL_BZIP2
1493 select HAVE_KERNEL_LZMA
fe1d45e0 1494 select HAVE_KERNEL_LZO
1b93b3c3
WZ
1495
1496config SYS_SUPPORTS_ZBOOT_UART16550
1497 bool
1498 select SYS_SUPPORTS_ZBOOT
1499
3702bba5
WZ
1500config CPU_LOONGSON2
1501 bool
1502 select CPU_SUPPORTS_32BIT_KERNEL
1503 select CPU_SUPPORTS_64BIT_KERNEL
1504 select CPU_SUPPORTS_HIGHMEM
970d032f 1505 select CPU_SUPPORTS_HUGEPAGES
3702bba5 1506
ca585cf9
KC
1507config CPU_LOONGSON1
1508 bool
1509 select CPU_MIPS32
1510 select CPU_MIPSR2
1511 select CPU_HAS_PREFETCH
1512 select CPU_SUPPORTS_32BIT_KERNEL
1513 select CPU_SUPPORTS_HIGHMEM
1514
1bbb6c1b
KC
1515config CPU_BMIPS
1516 bool
1517 select CPU_MIPS32
1518 select CPU_SUPPORTS_32BIT_KERNEL
1519 select DMA_NONCOHERENT
1520 select IRQ_CPU
1521 select SWAP_IO_SPACE
1522 select WEAK_ORDERING
1523
3702bba5 1524config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1525 bool
1526
6f7a251a
WZ
1527config SYS_HAS_CPU_LOONGSON2F
1528 bool
55045ff5
WZ
1529 select CPU_SUPPORTS_CPUFREQ
1530 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1531 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1532
ca585cf9
KC
1533config SYS_HAS_CPU_LOONGSON1B
1534 bool
1535
7cf8053b
RB
1536config SYS_HAS_CPU_MIPS32_R1
1537 bool
1538
1539config SYS_HAS_CPU_MIPS32_R2
1540 bool
1541
1542config SYS_HAS_CPU_MIPS64_R1
1543 bool
1544
1545config SYS_HAS_CPU_MIPS64_R2
1546 bool
1547
1548config SYS_HAS_CPU_R3000
1549 bool
1550
1551config SYS_HAS_CPU_TX39XX
1552 bool
1553
1554config SYS_HAS_CPU_VR41XX
1555 bool
1556
1557config SYS_HAS_CPU_R4300
1558 bool
1559
1560config SYS_HAS_CPU_R4X00
1561 bool
1562
1563config SYS_HAS_CPU_TX49XX
1564 bool
1565
1566config SYS_HAS_CPU_R5000
1567 bool
1568
1569config SYS_HAS_CPU_R5432
1570 bool
1571
542c1020
SK
1572config SYS_HAS_CPU_R5500
1573 bool
1574
7cf8053b
RB
1575config SYS_HAS_CPU_R6000
1576 bool
1577
1578config SYS_HAS_CPU_NEVADA
1579 bool
1580
1581config SYS_HAS_CPU_R8000
1582 bool
1583
1584config SYS_HAS_CPU_R10000
1585 bool
1586
1587config SYS_HAS_CPU_RM7000
1588 bool
1589
7cf8053b
RB
1590config SYS_HAS_CPU_SB1
1591 bool
1592
5e683389
DD
1593config SYS_HAS_CPU_CAVIUM_OCTEON
1594 bool
1595
c1c0c461
KC
1596config SYS_HAS_CPU_BMIPS3300
1597 bool
1598
1599config SYS_HAS_CPU_BMIPS4350
1600 bool
1601
1602config SYS_HAS_CPU_BMIPS4380
1603 bool
1604
1605config SYS_HAS_CPU_BMIPS5000
1606 bool
1607
7f058e85
J
1608config SYS_HAS_CPU_XLR
1609 bool
1610
1c773ea4
J
1611config SYS_HAS_CPU_XLP
1612 bool
1613
17099b11
RB
1614#
1615# CPU may reorder R->R, R->W, W->R, W->W
1616# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1617#
0004a9df
RB
1618config WEAK_ORDERING
1619 bool
17099b11
RB
1620
1621#
1622# CPU may reorder reads and writes beyond LL/SC
1623# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1624#
1625config WEAK_REORDERING_BEYOND_LLSC
1626 bool
5e83d430
RB
1627endmenu
1628
1629#
c09b47d8 1630# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1631#
1632config CPU_MIPS32
1633 bool
1634 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1635
1636config CPU_MIPS64
1637 bool
1638 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1639
1640#
c09b47d8 1641# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1642#
1643config CPU_MIPSR1
1644 bool
1645 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1646
1647config CPU_MIPSR2
1648 bool
a86c7f72 1649 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1650
1651config SYS_SUPPORTS_32BIT_KERNEL
1652 bool
1653config SYS_SUPPORTS_64BIT_KERNEL
1654 bool
1655config CPU_SUPPORTS_32BIT_KERNEL
1656 bool
1657config CPU_SUPPORTS_64BIT_KERNEL
1658 bool
55045ff5
WZ
1659config CPU_SUPPORTS_CPUFREQ
1660 bool
1661config CPU_SUPPORTS_ADDRWINCFG
1662 bool
9cffd154
DD
1663config CPU_SUPPORTS_HUGEPAGES
1664 bool
22f1fdfd
WZ
1665config CPU_SUPPORTS_UNCACHED_ACCELERATED
1666 bool
82622284
DD
1667config MIPS_PGD_C0_CONTEXT
1668 bool
d6504846 1669 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
5e83d430 1670
8192c9ea
DD
1671#
1672# Set to y for ptrace access to watch registers.
1673#
1674config HARDWARE_WATCHPOINTS
1675 bool
f839490a 1676 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1677
5e83d430
RB
1678menu "Kernel type"
1679
1680choice
5e83d430
RB
1681 prompt "Kernel code model"
1682 help
1683 You should only select this option if you have a workload that
1684 actually benefits from 64-bit processing or if your machine has
1685 large memory. You will only be presented a single option in this
1686 menu if your system does not support both 32-bit and 64-bit kernels.
1687
1688config 32BIT
1689 bool "32-bit kernel"
1690 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1691 select TRAD_SIGNALS
1692 help
1693 Select this option if you want to build a 32-bit kernel.
1694config 64BIT
1695 bool "64-bit kernel"
1696 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1697 help
1698 Select this option if you want to build a 64-bit kernel.
1699
1700endchoice
1701
2235a54d
SL
1702config KVM_GUEST
1703 bool "KVM Guest Kernel"
f2a5b1d7 1704 depends on BROKEN_ON_SMP
2235a54d
SL
1705 help
1706 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1707
1708config KVM_HOST_FREQ
1709 int "KVM Host Processor Frequency (MHz)"
1710 depends on KVM_GUEST
1711 default 500
1712 help
1713 Select this option if building a guest kernel for KVM to skip
1714 RTC emulation when determining guest CPU Frequency. Instead, the guest
1715 processor frequency is automatically derived from the host frequency.
1716
1da177e4
LT
1717choice
1718 prompt "Kernel page size"
1719 default PAGE_SIZE_4KB
1720
1721config PAGE_SIZE_4KB
1722 bool "4kB"
315fe625 1723 depends on !CPU_LOONGSON2
1da177e4
LT
1724 help
1725 This option select the standard 4kB Linux page size. On some
1726 R3000-family processors this is the only available page size. Using
1727 4kB page size will minimize memory consumption and is therefore
1728 recommended for low memory systems.
1729
1730config PAGE_SIZE_8KB
1731 bool "8kB"
7d60717e 1732 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1da177e4
LT
1733 help
1734 Using 8kB page size will result in higher performance kernel at
1735 the price of higher memory consumption. This option is available
c52399be
RB
1736 only on R8000 and cnMIPS processors. Note that you will need a
1737 suitable Linux distribution to support this.
1da177e4
LT
1738
1739config PAGE_SIZE_16KB
1740 bool "16kB"
714bfad6 1741 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1742 help
1743 Using 16kB page size will result in higher performance kernel at
1744 the price of higher memory consumption. This option is available on
714bfad6
RB
1745 all non-R3000 family processors. Note that you will need a suitable
1746 Linux distribution to support this.
1da177e4 1747
c52399be
RB
1748config PAGE_SIZE_32KB
1749 bool "32kB"
1750 depends on CPU_CAVIUM_OCTEON
1751 help
1752 Using 32kB page size will result in higher performance kernel at
1753 the price of higher memory consumption. This option is available
1754 only on cnMIPS cores. Note that you will need a suitable Linux
1755 distribution to support this.
1756
1da177e4
LT
1757config PAGE_SIZE_64KB
1758 bool "64kB"
7d60717e 1759 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1760 help
1761 Using 64kB page size will result in higher performance kernel at
1762 the price of higher memory consumption. This option is available on
1763 all non-R3000 family processor. Not that at the time of this
714bfad6 1764 writing this option is still high experimental.
1da177e4
LT
1765
1766endchoice
1767
c9bace7c
DD
1768config FORCE_MAX_ZONEORDER
1769 int "Maximum zone order"
85f993b8
DD
1770 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1771 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1772 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1773 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1774 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1775 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
c9bace7c
DD
1776 range 11 64
1777 default "11"
1778 help
1779 The kernel memory allocator divides physically contiguous memory
1780 blocks into "zones", where each zone is a power of two number of
1781 pages. This option selects the largest power of two that the kernel
1782 keeps in the memory allocator. If you need to allocate very large
1783 blocks of physically contiguous memory, then you may need to
1784 increase this value.
1785
1786 This config option is actually maximum order plus one. For example,
1787 a value of 11 means that the largest free memory block is 2^10 pages.
1788
1789 The page size is not necessarily 4KB. Keep this in mind
1790 when choosing a value for this option.
1791
0ab2b7d0
RG
1792config CEVT_GIC
1793 bool "Use GIC global counter for clock events"
1794 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
1795 help
1796 Use the GIC global counter for the clock events. The R4K clock
1797 event driver is always present, so if the platform ends up not
1798 detecting a GIC, it will fall back to the R4K timer for the
1799 generation of clock events.
1800
1da177e4
LT
1801config BOARD_SCACHE
1802 bool
1803
1804config IP22_CPU_SCACHE
1805 bool
1806 select BOARD_SCACHE
1807
9318c51a
CD
1808#
1809# Support for a MIPS32 / MIPS64 style S-caches
1810#
1811config MIPS_CPU_SCACHE
1812 bool
1813 select BOARD_SCACHE
1814
1da177e4
LT
1815config R5000_CPU_SCACHE
1816 bool
1817 select BOARD_SCACHE
1818
1819config RM7000_CPU_SCACHE
1820 bool
1821 select BOARD_SCACHE
1822
1823config SIBYTE_DMA_PAGEOPS
1824 bool "Use DMA to clear/copy pages"
1825 depends on CPU_SB1
1826 help
1827 Instead of using the CPU to zero and copy pages, use a Data Mover
1828 channel. These DMA channels are otherwise unused by the standard
1829 SiByte Linux port. Seems to give a small performance benefit.
1830
1831config CPU_HAS_PREFETCH
c8094b53 1832 bool
1da177e4 1833
3165c846
FF
1834config CPU_GENERIC_DUMP_TLB
1835 bool
1836 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1837
91405eb6
FF
1838config CPU_R4K_FPU
1839 bool
1840 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1841
62cedc4f
FF
1842config CPU_R4K_CACHE_TLB
1843 bool
1844 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1845
340ee4b9
RB
1846choice
1847 prompt "MIPS MT options"
f41ae0b2
RB
1848
1849config MIPS_MT_DISABLED
1850 bool "Disable multithreading support."
1851 help
1852 Use this option if your workload can't take advantage of
1853 MIPS hardware multithreading support. On systems that don't have
1854 the option of an MT-enabled processor this option will be the only
1855 option in this menu.
340ee4b9 1856
59d6ab86
RB
1857config MIPS_MT_SMP
1858 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1859 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1860 select CPU_MIPSR2_IRQ_VI
d725cf38 1861 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1862 select MIPS_MT
f510aa3b 1863 select NR_CPUS_DEFAULT_2
41c594ab 1864 select SMP
0ab7aefc 1865 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1866 select SYS_SUPPORTS_SMP
87353d8a 1867 select SMP_UP
399aaa25 1868 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 1869 help
25f12b33
RB
1870 This is a kernel model which is known a VSMP but lately has been
1871 marketesed into SMVP.
1872 Virtual SMP uses the processor's VPEs to implement virtual
1873 processors. In currently available configuration of the 34K processor
1874 this allows for a dual processor. Both processors will share the same
1875 primary caches; each will obtain the half of the TLB for it's own
1876 exclusive use. For a layman this model can be described as similar to
1877 what Intel calls Hyperthreading.
1878
1879 For further information see http://www.linux-mips.org/wiki/34K#VSMP
41c594ab 1880
59d6ab86
RB
1881config MIPS_MT_SMTC
1882 bool "SMTC: Use all TCs on all VPEs for SMP"
1883 depends on CPU_MIPS32_R2
1884 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1885 depends on SYS_SUPPORTS_MULTITHREADING
1886 select CPU_MIPSR2_IRQ_VI
d725cf38 1887 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1888 select MIPS_MT
130e2fb7 1889 select NR_CPUS_DEFAULT_8
340ee4b9 1890 select SMP
73b76c78 1891 select SYS_SUPPORTS_SMP
87353d8a 1892 select SMP_UP
f41ae0b2 1893 help
59d6ab86
RB
1894 This is a kernel model which is known a SMTC or lately has been
1895 marketesed into SMVP.
25f12b33
RB
1896 is presenting the available TC's of the core as processors to Linux.
1897 On currently available 34K processors this means a Linux system will
1898 see up to 5 processors. The implementation of the SMTC kernel differs
1899 significantly from VSMP and cannot efficiently coexist in the same
1900 kernel binary so the choice between VSMP and SMTC is a compile time
1901 decision.
1902
1903 For further information see http://www.linux-mips.org/wiki/34K#SMTC
340ee4b9 1904
340ee4b9
RB
1905endchoice
1906
f41ae0b2
RB
1907config MIPS_MT
1908 bool
1909
0ab7aefc
RB
1910config SCHED_SMT
1911 bool "SMT (multithreading) scheduler support"
1912 depends on SYS_SUPPORTS_SCHED_SMT
1913 default n
1914 help
1915 SMT scheduler support improves the CPU scheduler's decision making
1916 when dealing with MIPS MT enabled cores at a cost of slightly
1917 increased overhead in some places. If unsure say N here.
1918
1919config SYS_SUPPORTS_SCHED_SMT
1920 bool
1921
f41ae0b2
RB
1922config SYS_SUPPORTS_MULTITHREADING
1923 bool
1924
f088fc84
RB
1925config MIPS_MT_FPAFF
1926 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1927 default y
07cc0c9e
RB
1928 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1929
1930config MIPS_VPE_LOADER
1931 bool "VPE loader support."
704e6460 1932 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
07cc0c9e
RB
1933 select CPU_MIPSR2_IRQ_VI
1934 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1935 select MIPS_MT
1936 help
1937 Includes a loader for loading an elf relocatable object
1938 onto another VPE and running it.
f088fc84 1939
0db34215
KK
1940config MIPS_MT_SMTC_IM_BACKSTOP
1941 bool "Use per-TC register bits as backstop for inhibited IM bits"
1942 depends on MIPS_MT_SMTC
8531a35e 1943 default n
0db34215
KK
1944 help
1945 To support multiple TC microthreads acting as "CPUs" within
1946 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1947 during interrupt handling. To support legacy drivers and interrupt
1948 controller management code, SMTC has a "backstop" to track and
1949 if necessary restore the interrupt mask. This has some performance
8531a35e 1950 impact on interrupt service overhead.
0db34215 1951
f571eff0
KK
1952config MIPS_MT_SMTC_IRQAFF
1953 bool "Support IRQ affinity API"
1954 depends on MIPS_MT_SMTC
1955 default n
1956 help
1957 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1958 for SMTC Linux kernel. Requires platform support, of which
1959 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1960 platform code. Adds some overhead to interrupt dispatch, and
1961 should be used only if you know what you are doing.
f571eff0 1962
e01402b1
RB
1963config MIPS_VPE_LOADER_TOM
1964 bool "Load VPE program into memory hidden from linux"
1965 depends on MIPS_VPE_LOADER
1966 default y
1967 help
1968 The loader can use memory that is present but has been hidden from
1969 Linux using the kernel command line option "mem=xxMB". It's up to
1970 you to ensure the amount you put in the option and the space your
1971 program requires is less or equal to the amount physically present.
1972
1973# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1974config MIPS_VPE_APSP_API
5e83d430
RB
1975 bool "Enable support for AP/SP API (RTLX)"
1976 depends on MIPS_VPE_LOADER
1977 help
e01402b1 1978
4a16ff4c
RB
1979config MIPS_CMP
1980 bool "MIPS CMP framework support"
1981 depends on SYS_SUPPORTS_MIPS_CMP
eb9b5141 1982 select SYNC_R4K
4a16ff4c
RB
1983 select SYS_SUPPORTS_SMP
1984 select SYS_SUPPORTS_SCHED_SMT if SMP
1985 select WEAK_ORDERING
1986 default n
1987 help
1988 This is a placeholder option for the GCMP work. It will need to
1989 be handled differently...
1990
1da177e4
LT
1991config SB1_PASS_1_WORKAROUNDS
1992 bool
1993 depends on CPU_SB1_PASS_1
1994 default y
1995
1996config SB1_PASS_2_WORKAROUNDS
1997 bool
1998 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1999 default y
2000
2001config SB1_PASS_2_1_WORKAROUNDS
2002 bool
2003 depends on CPU_SB1 && CPU_SB1_PASS_2
2004 default y
2005
2235a54d 2006
1da177e4 2007config 64BIT_PHYS_ADDR
d806cb2b 2008 bool
1da177e4 2009
60ec6571 2010config ARCH_PHYS_ADDR_T_64BIT
2011 def_bool 64BIT_PHYS_ADDR
2012
9693a853
FBH
2013config CPU_HAS_SMARTMIPS
2014 depends on SYS_SUPPORTS_SMARTMIPS
2015 bool "Support for the SmartMIPS ASE"
2016 help
2017 SmartMIPS is a extension of the MIPS32 architecture aimed at
2018 increased security at both hardware and software level for
2019 smartcards. Enabling this option will allow proper use of the
2020 SmartMIPS instructions by Linux applications. However a kernel with
2021 this option will not work on a MIPS core without SmartMIPS core. If
2022 you don't know you probably don't have SmartMIPS and should say N
2023 here.
2024
bce86083
SH
2025config CPU_MICROMIPS
2026 depends on SYS_SUPPORTS_MICROMIPS
2027 bool "Build kernel using microMIPS ISA"
2028 help
2029 When this option is enabled the kernel will be built using the
2030 microMIPS ISA
2031
1da177e4 2032config CPU_HAS_WB
f7062ddb 2033 bool
e01402b1 2034
df0ac8a4
KC
2035config XKS01
2036 bool
2037
f41ae0b2
RB
2038#
2039# Vectored interrupt mode is an R2 feature
2040#
e01402b1 2041config CPU_MIPSR2_IRQ_VI
f41ae0b2 2042 bool
e01402b1 2043
f41ae0b2
RB
2044#
2045# Extended interrupt mode is an R2 feature
2046#
e01402b1 2047config CPU_MIPSR2_IRQ_EI
f41ae0b2 2048 bool
e01402b1 2049
1da177e4
LT
2050config CPU_HAS_SYNC
2051 bool
2052 depends on !CPU_R3000
2053 default y
2054
20d60d99
MR
2055#
2056# CPU non-features
2057#
2058config CPU_DADDI_WORKAROUNDS
2059 bool
2060
2061config CPU_R4000_WORKAROUNDS
2062 bool
2063 select CPU_R4400_WORKAROUNDS
2064
2065config CPU_R4400_WORKAROUNDS
2066 bool
2067
1da177e4
LT
2068#
2069# - Highmem only makes sense for the 32-bit kernel.
2070# - The current highmem code will only work properly on physically indexed
2071# caches such as R3000, SB1, R7000 or those that look like they're virtually
2072# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2073# moment we protect the user and offer the highmem option only on machines
2074# where it's known to be safe. This will not offer highmem on a few systems
2075# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2076# indexed CPUs but we're playing safe.
797798c1
RB
2077# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2078# know they might have memory configurations that could make use of highmem
2079# support.
1da177e4
LT
2080#
2081config HIGHMEM
2082 bool "High Memory Support"
797798c1
RB
2083 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2084
2085config CPU_SUPPORTS_HIGHMEM
2086 bool
2087
2088config SYS_SUPPORTS_HIGHMEM
2089 bool
1da177e4 2090
9693a853
FBH
2091config SYS_SUPPORTS_SMARTMIPS
2092 bool
2093
a6a4834c
SH
2094config SYS_SUPPORTS_MICROMIPS
2095 bool
2096
b4819b59
YY
2097config ARCH_FLATMEM_ENABLE
2098 def_bool y
f133f22d 2099 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2100
d8cb4e11
RB
2101config ARCH_DISCONTIGMEM_ENABLE
2102 bool
2103 default y if SGI_IP27
2104 help
3dde6ad8 2105 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2106 for architectures which are either NUMA (Non-Uniform Memory Access)
2107 or have huge holes in the physical address space for other reasons.
2108 See <file:Documentation/vm/numa> for more.
2109
31473747
AN
2110config ARCH_SPARSEMEM_ENABLE
2111 bool
7de58fab 2112 select SPARSEMEM_STATIC
31473747 2113
d8cb4e11
RB
2114config NUMA
2115 bool "NUMA Support"
2116 depends on SYS_SUPPORTS_NUMA
2117 help
2118 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2119 Access). This option improves performance on systems with more
2120 than two nodes; on two node systems it is generally better to
2121 leave it disabled; on single node systems disable this option
2122 disabled.
2123
2124config SYS_SUPPORTS_NUMA
2125 bool
2126
c80d79d7
YG
2127config NODES_SHIFT
2128 int
2129 default "6"
2130 depends on NEED_MULTIPLE_NODES
2131
14f70012
DCZ
2132config HW_PERF_EVENTS
2133 bool "Enable hardware performance counter support for perf events"
4be3d2f3 2134 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DCZ
2135 default y
2136 help
2137 Enable hardware performance counter support for perf events. If
2138 disabled, perf events will use software events only.
2139
b4819b59
YY
2140source "mm/Kconfig"
2141
1da177e4
LT
2142config SMP
2143 bool "Multi-Processing support"
e73ea273 2144 depends on SYS_SUPPORTS_SMP
2f304c0a 2145 select USE_GENERIC_SMP_HELPERS
e73ea273 2146 help
1da177e4
LT
2147 This enables support for systems with more than one CPU. If you have
2148 a system with only one CPU, like most personal computers, say N. If
2149 you have a system with more than one CPU, say Y.
2150
2151 If you say N here, the kernel will run on single and multiprocessor
2152 machines, but will use only one CPU of a multiprocessor machine. If
2153 you say Y here, the kernel will run on many, but not all,
2154 singleprocessor machines. On a singleprocessor machine, the kernel
2155 will run faster if you say N here.
2156
2157 People using multiprocessor machines who say Y here should also say
2158 Y to "Enhanced Real Time Clock Support", below.
2159
03502faa
AB
2160 See also the SMP-HOWTO available at
2161 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2162
2163 If you don't know what to do here, say N.
2164
87353d8a
RB
2165config SMP_UP
2166 bool
2167
4a16ff4c
RB
2168config SYS_SUPPORTS_MIPS_CMP
2169 bool
2170
e73ea273
RB
2171config SYS_SUPPORTS_SMP
2172 bool
2173
72ede9b1
AN
2174config NR_CPUS_DEFAULT_1
2175 bool
2176
130e2fb7
RB
2177config NR_CPUS_DEFAULT_2
2178 bool
2179
2180config NR_CPUS_DEFAULT_4
2181 bool
2182
2183config NR_CPUS_DEFAULT_8
2184 bool
2185
2186config NR_CPUS_DEFAULT_16
2187 bool
2188
2189config NR_CPUS_DEFAULT_32
2190 bool
2191
2192config NR_CPUS_DEFAULT_64
2193 bool
2194
1da177e4
LT
2195config NR_CPUS
2196 int "Maximum number of CPUs (2-64)"
72ede9b1 2197 range 1 64 if NR_CPUS_DEFAULT_1
1da177e4 2198 depends on SMP
72ede9b1 2199 default "1" if NR_CPUS_DEFAULT_1
130e2fb7
RB
2200 default "2" if NR_CPUS_DEFAULT_2
2201 default "4" if NR_CPUS_DEFAULT_4
2202 default "8" if NR_CPUS_DEFAULT_8
2203 default "16" if NR_CPUS_DEFAULT_16
2204 default "32" if NR_CPUS_DEFAULT_32
2205 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2206 help
2207 This allows you to specify the maximum number of CPUs which this
2208 kernel will support. The maximum supported value is 32 for 32-bit
2209 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2210 sense is 1 for Qemu (useful only for kernel debugging purposes)
2211 and 2 for all others.
1da177e4
LT
2212
2213 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2214 approximately eight kilobytes to the kernel image. For best
2215 performance should round up your number of processors to the next
2216 power of two.
1da177e4 2217
399aaa25
AC
2218config MIPS_PERF_SHARED_TC_COUNTERS
2219 bool
2220
1723b4a3
AN
2221#
2222# Timer Interrupt Frequency Configuration
2223#
2224
2225choice
2226 prompt "Timer frequency"
2227 default HZ_250
2228 help
2229 Allows the configuration of the timer frequency.
2230
2231 config HZ_48
0f873585 2232 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2233
2234 config HZ_100
2235 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2236
2237 config HZ_128
2238 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2239
2240 config HZ_250
2241 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2242
2243 config HZ_256
2244 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2245
2246 config HZ_1000
2247 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2248
2249 config HZ_1024
2250 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2251
2252endchoice
2253
2254config SYS_SUPPORTS_48HZ
2255 bool
2256
2257config SYS_SUPPORTS_100HZ
2258 bool
2259
2260config SYS_SUPPORTS_128HZ
2261 bool
2262
2263config SYS_SUPPORTS_250HZ
2264 bool
2265
2266config SYS_SUPPORTS_256HZ
2267 bool
2268
2269config SYS_SUPPORTS_1000HZ
2270 bool
2271
2272config SYS_SUPPORTS_1024HZ
2273 bool
2274
2275config SYS_SUPPORTS_ARBIT_HZ
2276 bool
2277 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2278 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2279 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2280 !SYS_SUPPORTS_1024HZ
2281
2282config HZ
2283 int
2284 default 48 if HZ_48
2285 default 100 if HZ_100
2286 default 128 if HZ_128
2287 default 250 if HZ_250
2288 default 256 if HZ_256
2289 default 1000 if HZ_1000
2290 default 1024 if HZ_1024
2291
e80de850 2292source "kernel/Kconfig.preempt"
1da177e4 2293
ea6e942b 2294config KEXEC
7d60717e 2295 bool "Kexec system call"
ea6e942b
AN
2296 help
2297 kexec is a system call that implements the ability to shutdown your
2298 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2299 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2300 you can start any kernel with it, not just Linux.
2301
01dd2fbf 2302 The name comes from the similarity to the exec system call.
ea6e942b
AN
2303
2304 It is an ongoing process to be certain the hardware in a machine
2305 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2306 initially work for you. As of this writing the exact hardware
2307 interface is strongly in flux, so no good recommendation can be
2308 made.
ea6e942b 2309
7aa1c8f4
RB
2310config CRASH_DUMP
2311 bool "Kernel crash dumps"
2312 help
2313 Generate crash dump after being started by kexec.
2314 This should be normally only set in special crash dump kernels
2315 which are loaded in the main kernel with kexec-tools into
2316 a specially reserved region and then later executed after
2317 a crash by kdump/kexec. The crash dump kernel must be compiled
2318 to a memory address not used by the main kernel or firmware using
2319 PHYSICAL_START.
2320
2321config PHYSICAL_START
2322 hex "Physical address where the kernel is loaded"
2323 default "0xffffffff84000000" if 64BIT
2324 default "0x84000000" if 32BIT
2325 depends on CRASH_DUMP
2326 help
2327 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2328 If you plan to use kernel for capturing the crash dump change
2329 this value to start of the reserved region (the "X" value as
2330 specified in the "crashkernel=YM@XM" command line boot parameter
2331 passed to the panic-ed kernel).
2332
ea6e942b
AN
2333config SECCOMP
2334 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2335 depends on PROC_FS
ea6e942b
AN
2336 default y
2337 help
2338 This kernel feature is useful for number crunching applications
2339 that may need to compute untrusted bytecode during their
2340 execution. By using pipes or other transports made available to
2341 the process as file descriptors supporting the read/write
2342 syscalls, it's possible to isolate those applications in
2343 their own address space using seccomp. Once seccomp is
2344 enabled via /proc/<pid>/seccomp, it cannot be disabled
2345 and the task is only allowed to execute a few safe syscalls
2346 defined by each seccomp mode.
2347
2348 If unsure, say Y. Only embedded should say N here.
2349
36ecafc5
GF
2350config CC_STACKPROTECTOR
2351 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
2352 help
2353 This option turns on the -fstack-protector GCC feature. This
2354 feature puts, at the beginning of functions, a canary value on
2355 the stack just before the return address, and validates
2356 the value just before actually returning. Stack based buffer
2357 overflows (that need to overwrite this return address) now also
2358 overwrite the canary, which gets detected and the attack is then
2359 neutralized via a kernel panic.
2360
2361 This feature requires gcc version 4.2 or above.
2362
f2ffa5ab 2363config USE_OF
0b3e06fd 2364 bool
f2ffa5ab 2365 select OF
e6ce1324 2366 select OF_EARLY_FLATTREE
abd2363f 2367 select IRQ_DOMAIN
f2ffa5ab 2368
5e83d430
RB
2369endmenu
2370
1df0f0ff
AN
2371config LOCKDEP_SUPPORT
2372 bool
2373 default y
2374
2375config STACKTRACE_SUPPORT
2376 bool
2377 default y
2378
b6c3539b
RB
2379source "init/Kconfig"
2380
dc52ddc0
MH
2381source "kernel/Kconfig.freezer"
2382
1da177e4
LT
2383menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2384
5e83d430
RB
2385config HW_HAS_EISA
2386 bool
1da177e4
LT
2387config HW_HAS_PCI
2388 bool
2389
2390config PCI
2391 bool "Support for PCI controller"
2392 depends on HW_HAS_PCI
abb4ae46 2393 select PCI_DOMAINS
0f3b3956 2394 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2395 help
2396 Find out whether you have a PCI motherboard. PCI is the name of a
2397 bus system, i.e. the way the CPU talks to the other stuff inside
2398 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2399 say Y, otherwise N.
2400
1da177e4
LT
2401config PCI_DOMAINS
2402 bool
1da177e4
LT
2403
2404source "drivers/pci/Kconfig"
2405
3f787ca4
JG
2406source "drivers/pci/pcie/Kconfig"
2407
1da177e4
LT
2408#
2409# ISA support is now enabled via select. Too many systems still have the one
2410# or other ISA chip on the board that users don't know about so don't expect
2411# users to choose the right thing ...
2412#
2413config ISA
2414 bool
2415
2416config EISA
2417 bool "EISA support"
5e83d430 2418 depends on HW_HAS_EISA
1da177e4 2419 select ISA
aa414dff 2420 select GENERIC_ISA_DMA
1da177e4
LT
2421 ---help---
2422 The Extended Industry Standard Architecture (EISA) bus was
2423 developed as an open alternative to the IBM MicroChannel bus.
2424
2425 The EISA bus provided some of the features of the IBM MicroChannel
2426 bus while maintaining backward compatibility with cards made for
2427 the older ISA bus. The EISA bus saw limited use between 1988 and
2428 1995 when it was made obsolete by the PCI bus.
2429
2430 Say Y here if you are building a kernel for an EISA-based machine.
2431
2432 Otherwise, say N.
2433
2434source "drivers/eisa/Kconfig"
2435
2436config TC
2437 bool "TURBOchannel support"
2438 depends on MACH_DECSTATION
2439 help
50a23e6e
JM
2440 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2441 processors. TURBOchannel programming specifications are available
2442 at:
2443 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2444 and:
2445 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2446 Linux driver support status is documented at:
2447 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2448
1da177e4
LT
2449config MMU
2450 bool
2451 default y
2452
d865bea4
RB
2453config I8253
2454 bool
798778b8 2455 select CLKSRC_I8253
2d02612f 2456 select CLKEVT_I8253
9726b43a 2457 select MIPS_EXTERNAL_TIMER
d865bea4 2458
e05eb3f8
RB
2459config ZONE_DMA
2460 bool
2461
cce335ae
RB
2462config ZONE_DMA32
2463 bool
2464
1da177e4
LT
2465source "drivers/pcmcia/Kconfig"
2466
2467source "drivers/pci/hotplug/Kconfig"
2468
388b78ad
AB
2469config RAPIDIO
2470 bool "RapidIO support"
2471 depends on PCI
2472 default n
2473 help
2474 If you say Y here, the kernel will include drivers and
2475 infrastructure code to support RapidIO interconnect devices.
2476
2477source "drivers/rapidio/Kconfig"
2478
1da177e4
LT
2479endmenu
2480
2481menu "Executable file formats"
2482
2483source "fs/Kconfig.binfmt"
2484
2485config TRAD_SIGNALS
2486 bool
1da177e4 2487
1da177e4
LT
2488config MIPS32_COMPAT
2489 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2490 depends on 64BIT
1da177e4
LT
2491 help
2492 Select this option if you want Linux/MIPS 32-bit binary
2493 compatibility. Since all software available for Linux/MIPS is
2494 currently 32-bit you should say Y here.
2495
2496config COMPAT
2497 bool
2498 depends on MIPS32_COMPAT
48b25c43 2499 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2500 default y
2501
05e43966
AN
2502config SYSVIPC_COMPAT
2503 bool
2504 depends on COMPAT && SYSVIPC
2505 default y
2506
1da177e4
LT
2507config MIPS32_O32
2508 bool "Kernel support for o32 binaries"
2509 depends on MIPS32_COMPAT
2510 help
2511 Select this option if you want to run o32 binaries. These are pure
2512 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2513 existing binaries are in this format.
2514
2515 If unsure, say Y.
2516
2517config MIPS32_N32
2518 bool "Kernel support for n32 binaries"
2519 depends on MIPS32_COMPAT
2520 help
2521 Select this option if you want to run n32 binaries. These are
2522 64-bit binaries using 32-bit quantities for addressing and certain
2523 data that would normally be 64-bit. They are used in special
2524 cases.
2525
2526 If unsure, say N.
2527
2528config BINFMT_ELF32
2529 bool
2530 default y if MIPS32_O32 || MIPS32_N32
2531
2116245e
RB
2532endmenu
2533
2534menu "Power management options"
2535
363c55ca
WZ
2536config ARCH_HIBERNATION_POSSIBLE
2537 def_bool y
3f5b3e17 2538 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2539
f4cb5700
JB
2540config ARCH_SUSPEND_POSSIBLE
2541 def_bool y
3f5b3e17 2542 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2543
2116245e 2544source "kernel/power/Kconfig"
952fa954 2545
1da177e4
LT
2546endmenu
2547
7a998935
VK
2548config MIPS_EXTERNAL_TIMER
2549 bool
2550
2551if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2552menu "CPU Power Management"
2553source "drivers/cpufreq/Kconfig"
2554endmenu
2555endif
9726b43a 2556
d5950b43
SR
2557source "net/Kconfig"
2558
1da177e4
LT
2559source "drivers/Kconfig"
2560
98cdee0e
RB
2561source "drivers/firmware/Kconfig"
2562
1da177e4
LT
2563source "fs/Kconfig"
2564
2565source "arch/mips/Kconfig.debug"
2566
2567source "security/Kconfig"
2568
2569source "crypto/Kconfig"
2570
2571source "lib/Kconfig"
2235a54d
SL
2572
2573source "arch/mips/kvm/Kconfig"