MIPS: Don't build MSA support unless it can be used
[linux-2.6-block.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
a862a426 4 select ARCH_MIGHT_HAVE_PC_PARPORT
393c1262 5 select ARCH_MIGHT_HAVE_PC_SERIO
c3fc5cd5 6 select HAVE_CONTEXT_TRACKING
f8ac0425 7 select HAVE_GENERIC_DMA_COHERENT
ec7748b5 8 select HAVE_IDE
42d4b839 9 select HAVE_OPROFILE
7f788d2d
DCZ
10 select HAVE_PERF_EVENTS
11 select PERF_USE_VMALLOC
88547001 12 select HAVE_ARCH_KGDB
490b004f 13 select HAVE_ARCH_SECCOMP_FILTER
c0ff3c53 14 select HAVE_ARCH_TRACEHOOK
3f5fdb4b 15 select HAVE_BPF_JIT if !CPU_MICROMIPS
7563bbf8 16 select ARCH_HAVE_CUSTOM_GPIO_H
d2bb0762 17 select HAVE_FUNCTION_TRACER
69a7d1b3 18 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
538f1952
WZ
19 select HAVE_DYNAMIC_FTRACE
20 select HAVE_FTRACE_MCOUNT_RECORD
64575f91 21 select HAVE_C_RECORDMCOUNT
29c5d346 22 select HAVE_FUNCTION_GRAPH_TRACER
c1bf207d
DD
23 select HAVE_KPROBES
24 select HAVE_KRETPROBES
b69ec42b 25 select HAVE_DEBUG_KMEMLEAK
1d7bf993 26 select HAVE_SYSCALL_TRACEPOINTS
e26d196c 27 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
383c97b4 28 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
21a41faa 29 select RTC_LIB if !MACH_LOONGSON
2b78920d 30 select GENERIC_ATOMIC64 if !64BIT
7463449b 31 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
48e1fd5a
DD
32 select HAVE_DMA_ATTRS
33 select HAVE_DMA_API_DEBUG
3bd27e32 34 select GENERIC_IRQ_PROBE
f8396c17 35 select GENERIC_IRQ_SHOW
78857614 36 select GENERIC_PCI_IOMAP
94bb0c1a 37 select HAVE_ARCH_JUMP_LABEL
c1d7e01d 38 select ARCH_WANT_IPC_PARSE_VERSION
0f462e3c 39 select IRQ_FORCED_THREADING
9d15ffc8
TH
40 select HAVE_MEMBLOCK
41 select HAVE_MEMBLOCK_NODE_MAP
42 select ARCH_DISCARD_MEMBLOCK
360014a3 43 select GENERIC_SMP_IDLE_THREAD
4b054495 44 select BUILDTIME_EXTABLE_SORT
cde1794b
AMG
45 select GENERIC_CLOCKEVENTS
46 select GENERIC_CMOS_UPDATE
786d35d4 47 select HAVE_MOD_ARCH_SPECIFIC
4febd95a 48 select VIRT_TO_BUS
2f12fb20
JK
49 select MODULES_USE_ELF_REL if MODULES
50 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50150d2b 51 select CLONE_BACKWARDS
d1a1dc0b 52 select HAVE_DEBUG_STACKOVERFLOW
19952a92 53 select HAVE_CC_STACKPROTECTOR
b1d4c6ca 54 select CPU_PM if CPU_IDLE
cc7964af 55 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
1da177e4 56
1da177e4
LT
57menu "Machine selection"
58
5e83d430
RB
59choice
60 prompt "System type"
61 default SGI_IP22
1da177e4 62
42a4f17d 63config MIPS_ALCHEMY
c3543e25 64 bool "Alchemy processor based machines"
42a4f17d 65 select 64BIT_PHYS_ADDR
f772cdb2 66 select CEVT_R4K
d7ea335c 67 select CSRC_R4K
42a4f17d 68 select IRQ_CPU
88e9a93c 69 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
42a4f17d
ML
70 select SYS_HAS_CPU_MIPS32_R1
71 select SYS_SUPPORTS_32BIT_KERNEL
72 select SYS_SUPPORTS_APM_EMULATION
efb12436 73 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 74 select SYS_SUPPORTS_ZBOOT
47440229 75 select COMMON_CLK
1da177e4 76
7ca5dc14
FF
77config AR7
78 bool "Texas Instruments AR7"
79 select BOOT_ELF32
80 select DMA_NONCOHERENT
81 select CEVT_R4K
82 select CSRC_R4K
83 select IRQ_CPU
84 select NO_EXCEPT_FILL
85 select SWAP_IO_SPACE
86 select SYS_HAS_CPU_MIPS32_R1
87 select SYS_HAS_EARLY_PRINTK
88 select SYS_SUPPORTS_32BIT_KERNEL
89 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 90 select SYS_SUPPORTS_MIPS16
1b93b3c3 91 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 92 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 93 select VLYNQ
8551fb64 94 select HAVE_CLK
7ca5dc14
FF
95 help
96 Support for the Texas Instruments AR7 System-on-a-Chip
97 family: TNETD7100, 7200 and 7300.
98
d4a67d9d
GJ
99config ATH79
100 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 101 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
102 select BOOT_RAW
103 select CEVT_R4K
104 select CSRC_R4K
105 select DMA_NONCOHERENT
94638067 106 select HAVE_CLK
2c4f1ac5 107 select CLKDEV_LOOKUP
d4a67d9d 108 select IRQ_CPU
0aabf1a4 109 select MIPS_MACHINE
d4a67d9d
GJ
110 select SYS_HAS_CPU_MIPS32_R2
111 select SYS_HAS_EARLY_PRINTK
112 select SYS_SUPPORTS_32BIT_KERNEL
113 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 114 select SYS_SUPPORTS_MIPS16
d4a67d9d
GJ
115 help
116 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
117
1c0c13eb 118config BCM47XX
c619366e 119 bool "Broadcom BCM47XX based boards"
2da4c74d 120 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 121 select BOOT_RAW
42f77542 122 select CEVT_R4K
940f6b48 123 select CSRC_R4K
1c0c13eb
AJ
124 select DMA_NONCOHERENT
125 select HW_HAS_PCI
126 select IRQ_CPU
314878d2 127 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 128 select NO_EXCEPT_FILL
1c0c13eb
AJ
129 select SYS_SUPPORTS_32BIT_KERNEL
130 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 131 select SYS_SUPPORTS_MIPS16
25e5fb97 132 select SYS_HAS_EARLY_PRINTK
e6086557 133 select USE_GENERIC_EARLY_PRINTK_8250
c949c0bc
RM
134 select GPIOLIB
135 select LEDS_GPIO_REGISTER
1c0c13eb
AJ
136 help
137 Support for BCM47XX based boards
138
e7300d04
MB
139config BCM63XX
140 bool "Broadcom BCM63XX based boards"
ae8de61c 141 select BOOT_RAW
e7300d04
MB
142 select CEVT_R4K
143 select CSRC_R4K
fc264022 144 select SYNC_R4K
e7300d04
MB
145 select DMA_NONCOHERENT
146 select IRQ_CPU
e7300d04
MB
147 select SYS_SUPPORTS_32BIT_KERNEL
148 select SYS_SUPPORTS_BIG_ENDIAN
149 select SYS_HAS_EARLY_PRINTK
150 select SWAP_IO_SPACE
151 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 152 select HAVE_CLK
af2418be 153 select MIPS_L1_CACHE_SHIFT_4
e7300d04
MB
154 help
155 Support for BCM63XX based boards
156
1da177e4 157config MIPS_COBALT
3fa986fa 158 bool "Cobalt Server"
42f77542 159 select CEVT_R4K
940f6b48 160 select CSRC_R4K
1097c6ac 161 select CEVT_GT641XX
1da177e4
LT
162 select DMA_NONCOHERENT
163 select HW_HAS_PCI
d865bea4 164 select I8253
1da177e4
LT
165 select I8259
166 select IRQ_CPU
d5ab1a69 167 select IRQ_GT641XX
252161ec 168 select PCI_GT64XXX_PCI0
e25bfc92 169 select PCI
7cf8053b 170 select SYS_HAS_CPU_NEVADA
0a22e0d4 171 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 172 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 173 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 174 select SYS_SUPPORTS_LITTLE_ENDIAN
e6086557 175 select USE_GENERIC_EARLY_PRINTK_8250
1da177e4
LT
176
177config MACH_DECSTATION
3fa986fa 178 bool "DECstations"
1da177e4 179 select BOOT_ELF32
6457d9fc 180 select CEVT_DS1287
81d10bad 181 select CEVT_R4K if CPU_R4X00
4247417d 182 select CSRC_IOASIC
81d10bad 183 select CSRC_R4K if CPU_R4X00
20d60d99
MR
184 select CPU_DADDI_WORKAROUNDS if 64BIT
185 select CPU_R4000_WORKAROUNDS if 64BIT
186 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 187 select DMA_NONCOHERENT
ce816fa8 188 select NO_IOPORT_MAP
1da177e4 189 select IRQ_CPU
7cf8053b
RB
190 select SYS_HAS_CPU_R3000
191 select SYS_HAS_CPU_R4X00
ed5ba2fb 192 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 193 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 194 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
195 select SYS_SUPPORTS_128HZ
196 select SYS_SUPPORTS_256HZ
197 select SYS_SUPPORTS_1024HZ
930beb5a 198 select MIPS_L1_CACHE_SHIFT_4
5e83d430 199 help
1da177e4
LT
200 This enables support for DEC's MIPS based workstations. For details
201 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
202 DECstation porting pages on <http://decstation.unix-ag.org/>.
203
204 If you have one of the following DECstation Models you definitely
205 want to choose R4xx0 for the CPU Type:
206
9308816c
RB
207 DECstation 5000/50
208 DECstation 5000/150
209 DECstation 5000/260
210 DECsystem 5900/260
1da177e4
LT
211
212 otherwise choose R3000.
213
5e83d430 214config MACH_JAZZ
3fa986fa 215 bool "Jazz family of machines"
0e2794b0
RB
216 select FW_ARC
217 select FW_ARC32
5e83d430 218 select ARCH_MAY_HAVE_PC_FDC
42f77542 219 select CEVT_R4K
940f6b48 220 select CSRC_R4K
e2defae5 221 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 222 select GENERIC_ISA_DMA
8a118c38 223 select HAVE_PCSPKR_PLATFORM
ea202c63 224 select IRQ_CPU
d865bea4 225 select I8253
5e83d430
RB
226 select I8259
227 select ISA
7cf8053b 228 select SYS_HAS_CPU_R4X00
5e83d430 229 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 230 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 231 select SYS_SUPPORTS_100HZ
1da177e4 232 help
5e83d430
RB
233 This a family of machines based on the MIPS R4030 chipset which was
234 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 235 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
236 Olivetti M700-10 workstations.
237
5ebabe59
LPC
238config MACH_JZ4740
239 bool "Ingenic JZ4740 based machines"
240 select SYS_HAS_CPU_MIPS32_R1
241 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 243 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
244 select DMA_NONCOHERENT
245 select IRQ_CPU
5ebabe59
LPC
246 select ARCH_REQUIRE_GPIOLIB
247 select SYS_HAS_EARLY_PRINTK
ab5330eb 248 select HAVE_CLK
83bc7692 249 select GENERIC_IRQ_CHIP
5ebabe59 250
171bb2f1
JC
251config LANTIQ
252 bool "Lantiq based platforms"
253 select DMA_NONCOHERENT
254 select IRQ_CPU
255 select CEVT_R4K
256 select CSRC_R4K
257 select SYS_HAS_CPU_MIPS32_R1
258 select SYS_HAS_CPU_MIPS32_R2
259 select SYS_SUPPORTS_BIG_ENDIAN
260 select SYS_SUPPORTS_32BIT_KERNEL
377cb1b6 261 select SYS_SUPPORTS_MIPS16
171bb2f1
JC
262 select SYS_SUPPORTS_MULTITHREADING
263 select SYS_HAS_EARLY_PRINTK
264 select ARCH_REQUIRE_GPIOLIB
265 select SWAP_IO_SPACE
266 select BOOT_RAW
287e3f3f
JC
267 select HAVE_MACH_CLKDEV
268 select CLKDEV_LOOKUP
a0392222 269 select USE_OF
3f8c50c9
JC
270 select PINCTRL
271 select PINCTRL_LANTIQ
171bb2f1 272
1f21d2bd
BM
273config LASAT
274 bool "LASAT Networks platforms"
42f77542 275 select CEVT_R4K
16f0bbbc 276 select CRC32
940f6b48 277 select CSRC_R4K
1f21d2bd
BM
278 select DMA_NONCOHERENT
279 select SYS_HAS_EARLY_PRINTK
280 select HW_HAS_PCI
a5ccfe5c 281 select IRQ_CPU
1f21d2bd
BM
282 select PCI_GT64XXX_PCI0
283 select MIPS_NILE4
284 select R5000_CPU_SCACHE
285 select SYS_HAS_CPU_R5000
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
288 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 289
85749d24
WZ
290config MACH_LOONGSON
291 bool "Loongson family of machines"
c7e8c668 292 select SYS_SUPPORTS_ZBOOT
ade299d8 293 help
85749d24
WZ
294 This enables the support of Loongson family of machines.
295
296 Loongson is a family of general-purpose MIPS-compatible CPUs.
297 developed at Institute of Computing Technology (ICT),
298 Chinese Academy of Sciences (CAS) in the People's Republic
299 of China. The chief architect is Professor Weiwu Hu.
ade299d8 300
ca585cf9
KC
301config MACH_LOONGSON1
302 bool "Loongson 1 family of machines"
303 select SYS_SUPPORTS_ZBOOT
304 help
305 This enables support for the Loongson 1 based machines.
306
307 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
308 the ICT (Institute of Computing Technology) and the Chinese Academy
309 of Sciences.
310
1da177e4 311config MIPS_MALTA
3fa986fa 312 bool "MIPS Malta board"
61ed242d 313 select ARCH_MAY_HAVE_PC_FDC
1da177e4 314 select BOOT_ELF32
fa71c960 315 select BOOT_RAW
42f77542 316 select CEVT_R4K
940f6b48 317 select CSRC_R4K
778eeb1b 318 select CSRC_GIC
885014bc 319 select DMA_MAYBE_COHERENT
1da177e4 320 select GENERIC_ISA_DMA
8a118c38 321 select HAVE_PCSPKR_PLATFORM
aa414dff 322 select IRQ_CPU
39b8d525 323 select IRQ_GIC
1da177e4 324 select HW_HAS_PCI
d865bea4 325 select I8253
1da177e4 326 select I8259
5e83d430 327 select MIPS_BONITO64
9318c51a 328 select MIPS_CPU_SCACHE
252161ec 329 select PCI_GT64XXX_PCI0
5e83d430 330 select MIPS_MSC
1da177e4 331 select SWAP_IO_SPACE
7cf8053b
RB
332 select SYS_HAS_CPU_MIPS32_R1
333 select SYS_HAS_CPU_MIPS32_R2
bfc3c5a6 334 select SYS_HAS_CPU_MIPS32_R3_5
7cf8053b 335 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 336 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
337 select SYS_HAS_CPU_NEVADA
338 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
339 select SYS_SUPPORTS_32BIT_KERNEL
340 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
341 select SYS_SUPPORTS_BIG_ENDIAN
342 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 343 select SYS_SUPPORTS_MIPS_CMP
e56b6aa6 344 select SYS_SUPPORTS_MIPS_CPS
377cb1b6 345 select SYS_SUPPORTS_MIPS16
f41ae0b2 346 select SYS_SUPPORTS_MULTITHREADING
9693a853 347 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 348 select SYS_SUPPORTS_ZBOOT
1da177e4 349 help
f638d197 350 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
351 board.
352
ec47b274
SH
353config MIPS_SEAD3
354 bool "MIPS SEAD3 board"
355 select BOOT_ELF32
356 select BOOT_RAW
357 select CEVT_R4K
358 select CSRC_R4K
dfa762e1 359 select CSRC_GIC
ec47b274
SH
360 select CPU_MIPSR2_IRQ_VI
361 select CPU_MIPSR2_IRQ_EI
362 select DMA_NONCOHERENT
363 select IRQ_CPU
364 select IRQ_GIC
44327236 365 select LIBFDT
ec47b274
SH
366 select MIPS_MSC
367 select SYS_HAS_CPU_MIPS32_R1
368 select SYS_HAS_CPU_MIPS32_R2
369 select SYS_HAS_CPU_MIPS64_R1
370 select SYS_HAS_EARLY_PRINTK
371 select SYS_SUPPORTS_32BIT_KERNEL
372 select SYS_SUPPORTS_64BIT_KERNEL
373 select SYS_SUPPORTS_BIG_ENDIAN
374 select SYS_SUPPORTS_LITTLE_ENDIAN
375 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 376 select SYS_SUPPORTS_MICROMIPS
377cb1b6 377 select SYS_SUPPORTS_MIPS16
ec47b274
SH
378 select USB_EHCI_BIG_ENDIAN_DESC
379 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 380 select USE_OF
ec47b274
SH
381 help
382 This enables support for the MIPS Technologies SEAD3 evaluation
383 board.
384
a83860c2
RB
385config NEC_MARKEINS
386 bool "NEC EMMA2RH Mark-eins board"
387 select SOC_EMMA2RH
388 select HW_HAS_PCI
389 help
390 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 391
5e83d430 392config MACH_VR41XX
74142d65 393 bool "NEC VR4100 series based machines"
42f77542 394 select CEVT_R4K
940f6b48 395 select CSRC_R4K
7cf8053b 396 select SYS_HAS_CPU_VR41XX
377cb1b6 397 select SYS_SUPPORTS_MIPS16
27fdd325 398 select ARCH_REQUIRE_GPIOLIB
5e83d430 399
edb6310a
DL
400config NXP_STB220
401 bool "NXP STB220 board"
402 select SOC_PNX833X
403 help
404 Support for NXP Semiconductors STB220 Development Board.
405
406config NXP_STB225
407 bool "NXP 225 board"
408 select SOC_PNX833X
409 select SOC_PNX8335
410 help
411 Support for NXP Semiconductors STB225 Development Board.
412
9267a30d
MSJ
413config PMC_MSP
414 bool "PMC-Sierra MSP chipsets"
39d30c13
A
415 select CEVT_R4K
416 select CSRC_R4K
9267a30d
MSJ
417 select DMA_NONCOHERENT
418 select SWAP_IO_SPACE
419 select NO_EXCEPT_FILL
420 select BOOT_RAW
421 select SYS_HAS_CPU_MIPS32_R1
422 select SYS_HAS_CPU_MIPS32_R2
423 select SYS_SUPPORTS_32BIT_KERNEL
424 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 425 select SYS_SUPPORTS_MIPS16
9267a30d
MSJ
426 select IRQ_CPU
427 select SERIAL_8250
428 select SERIAL_8250_CONSOLE
9296d94d
FF
429 select USB_EHCI_BIG_ENDIAN_MMIO
430 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
431 help
432 This adds support for the PMC-Sierra family of Multi-Service
433 Processor System-On-A-Chips. These parts include a number
434 of integrated peripherals, interfaces and DSPs in addition to
435 a variety of MIPS cores.
436
ae2b5bb6
JC
437config RALINK
438 bool "Ralink based machines"
439 select CEVT_R4K
440 select CSRC_R4K
441 select BOOT_RAW
442 select DMA_NONCOHERENT
443 select IRQ_CPU
444 select USE_OF
445 select SYS_HAS_CPU_MIPS32_R1
446 select SYS_HAS_CPU_MIPS32_R2
447 select SYS_SUPPORTS_32BIT_KERNEL
448 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 449 select SYS_SUPPORTS_MIPS16
ae2b5bb6
JC
450 select SYS_HAS_EARLY_PRINTK
451 select HAVE_MACH_CLKDEV
452 select CLKDEV_LOOKUP
2a153f1c
JC
453 select ARCH_HAS_RESET_CONTROLLER
454 select RESET_CONTROLLER
ae2b5bb6 455
1da177e4 456config SGI_IP22
3fa986fa 457 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
458 select FW_ARC
459 select FW_ARC32
1da177e4 460 select BOOT_ELF32
42f77542 461 select CEVT_R4K
940f6b48 462 select CSRC_R4K
e2defae5 463 select DEFAULT_SGI_PARTITION
1da177e4 464 select DMA_NONCOHERENT
5e83d430 465 select HW_HAS_EISA
d865bea4 466 select I8253
68de4803 467 select I8259
1da177e4
LT
468 select IP22_CPU_SCACHE
469 select IRQ_CPU
aa414dff 470 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
471 select SGI_HAS_I8042
472 select SGI_HAS_INDYDOG
36e5c21d 473 select SGI_HAS_HAL2
e2defae5
TB
474 select SGI_HAS_SEEQ
475 select SGI_HAS_WD93
476 select SGI_HAS_ZILOG
1da177e4 477 select SWAP_IO_SPACE
7cf8053b
RB
478 select SYS_HAS_CPU_R4X00
479 select SYS_HAS_CPU_R5000
2b5e63f6
MM
480 #
481 # Disable EARLY_PRINTK for now since it leads to overwritten prom
482 # memory during early boot on some machines.
483 #
484 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
485 # for a more details discussion
486 #
487 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
488 select SYS_SUPPORTS_32BIT_KERNEL
489 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 490 select SYS_SUPPORTS_BIG_ENDIAN
930beb5a 491 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
492 help
493 This are the SGI Indy, Challenge S and Indigo2, as well as certain
494 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
495 that runs on these, say Y here.
496
497config SGI_IP27
3fa986fa 498 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
499 select FW_ARC
500 select FW_ARC64
5e83d430 501 select BOOT_ELF64
e2defae5 502 select DEFAULT_SGI_PARTITION
634286f1 503 select DMA_COHERENT
36a88530 504 select SYS_HAS_EARLY_PRINTK
1da177e4 505 select HW_HAS_PCI
130e2fb7 506 select NR_CPUS_DEFAULT_64
7cf8053b 507 select SYS_HAS_CPU_R10000
ed5ba2fb 508 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 509 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 510 select SYS_SUPPORTS_NUMA
1a5c5de1 511 select SYS_SUPPORTS_SMP
930beb5a 512 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
513 help
514 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
515 workstations. To compile a Linux kernel that runs on these, say Y
516 here.
517
e2defae5 518config SGI_IP28
7d60717e 519 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
520 select FW_ARC
521 select FW_ARC64
e2defae5
TB
522 select BOOT_ELF64
523 select CEVT_R4K
524 select CSRC_R4K
525 select DEFAULT_SGI_PARTITION
526 select DMA_NONCOHERENT
527 select GENERIC_ISA_DMA_SUPPORT_BROKEN
528 select IRQ_CPU
529 select HW_HAS_EISA
530 select I8253
531 select I8259
e2defae5
TB
532 select SGI_HAS_I8042
533 select SGI_HAS_INDYDOG
5b438c44 534 select SGI_HAS_HAL2
e2defae5
TB
535 select SGI_HAS_SEEQ
536 select SGI_HAS_WD93
537 select SGI_HAS_ZILOG
538 select SWAP_IO_SPACE
539 select SYS_HAS_CPU_R10000
2b5e63f6
MM
540 #
541 # Disable EARLY_PRINTK for now since it leads to overwritten prom
542 # memory during early boot on some machines.
543 #
544 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
545 # for a more details discussion
546 #
547 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
548 select SYS_SUPPORTS_64BIT_KERNEL
549 select SYS_SUPPORTS_BIG_ENDIAN
550 help
551 This is the SGI Indigo2 with R10000 processor. To compile a Linux
552 kernel that runs on these, say Y here.
553
1da177e4 554config SGI_IP32
cfd2afc0 555 bool "SGI IP32 (O2)"
0e2794b0
RB
556 select FW_ARC
557 select FW_ARC32
1da177e4 558 select BOOT_ELF32
42f77542 559 select CEVT_R4K
940f6b48 560 select CSRC_R4K
1da177e4
LT
561 select DMA_NONCOHERENT
562 select HW_HAS_PCI
dd67b155 563 select IRQ_CPU
1da177e4
LT
564 select R5000_CPU_SCACHE
565 select RM7000_CPU_SCACHE
7cf8053b
RB
566 select SYS_HAS_CPU_R5000
567 select SYS_HAS_CPU_R10000 if BROKEN
568 select SYS_HAS_CPU_RM7000
dd2f18fe 569 select SYS_HAS_CPU_NEVADA
ed5ba2fb 570 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 571 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 572 help
5e83d430 573 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 574
ade299d8
YY
575config SIBYTE_CRHINE
576 bool "Sibyte BCM91120C-CRhine"
9a6dcea1
AI
577 select BOOT_ELF32
578 select DMA_COHERENT
ade299d8 579 select SIBYTE_BCM1120
9a6dcea1 580 select SWAP_IO_SPACE
7cf8053b 581 select SYS_HAS_CPU_SB1
9a6dcea1
AI
582 select SYS_SUPPORTS_BIG_ENDIAN
583 select SYS_SUPPORTS_LITTLE_ENDIAN
584
ade299d8
YY
585config SIBYTE_CARMEL
586 bool "Sibyte BCM91120x-Carmel"
5e83d430 587 select BOOT_ELF32
1da177e4 588 select DMA_COHERENT
ade299d8 589 select SIBYTE_BCM1120
5e83d430 590 select SWAP_IO_SPACE
7cf8053b 591 select SYS_HAS_CPU_SB1
81731f79 592 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 593 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 594
ade299d8
YY
595config SIBYTE_CRHONE
596 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
597 select BOOT_ELF32
598 select DMA_COHERENT
ade299d8 599 select SIBYTE_BCM1125
5e83d430 600 select SWAP_IO_SPACE
7cf8053b 601 select SYS_HAS_CPU_SB1
5e83d430 602 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 603 select SYS_SUPPORTS_HIGHMEM
5e83d430 604 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 605
5e83d430 606config SIBYTE_RHONE
3fa986fa 607 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
608 select BOOT_ELF32
609 select DMA_COHERENT
610 select SIBYTE_BCM1125H
611 select SWAP_IO_SPACE
7cf8053b 612 select SYS_HAS_CPU_SB1
5e83d430
RB
613 select SYS_SUPPORTS_BIG_ENDIAN
614 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 615
ade299d8
YY
616config SIBYTE_SWARM
617 bool "Sibyte BCM91250A-SWARM"
5e83d430 618 select BOOT_ELF32
26a940e2 619 select DMA_COHERENT
fcf3ca4c 620 select HAVE_PATA_PLATFORM
ade299d8 621 select SIBYTE_SB1250
5e83d430 622 select SWAP_IO_SPACE
7cf8053b 623 select SYS_HAS_CPU_SB1
5e83d430 624 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 625 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 626 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 627 select ZONE_DMA32 if 64BIT
e3ad1c23 628
ade299d8
YY
629config SIBYTE_LITTLESUR
630 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
631 select BOOT_ELF32
632 select DMA_COHERENT
fcf3ca4c 633 select HAVE_PATA_PLATFORM
5e83d430
RB
634 select SIBYTE_SB1250
635 select SWAP_IO_SPACE
7cf8053b 636 select SYS_HAS_CPU_SB1
5e83d430
RB
637 select SYS_SUPPORTS_BIG_ENDIAN
638 select SYS_SUPPORTS_HIGHMEM
639 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 640
ade299d8
YY
641config SIBYTE_SENTOSA
642 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
643 select BOOT_ELF32
644 select DMA_COHERENT
645 select SIBYTE_SB1250
646 select SWAP_IO_SPACE
7cf8053b 647 select SYS_HAS_CPU_SB1
5e83d430 648 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 649 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 650
ade299d8
YY
651config SIBYTE_BIGSUR
652 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
653 select BOOT_ELF32
654 select DMA_COHERENT
ade299d8 655 select NR_CPUS_DEFAULT_4
ade299d8 656 select SIBYTE_BCM1x80
5e83d430 657 select SWAP_IO_SPACE
7cf8053b 658 select SYS_HAS_CPU_SB1
5e83d430 659 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 660 select SYS_SUPPORTS_HIGHMEM
5e83d430 661 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 662 select ZONE_DMA32 if 64BIT
1da177e4 663
14b36af4
TB
664config SNI_RM
665 bool "SNI RM200/300/400"
0e2794b0
RB
666 select FW_ARC if CPU_LITTLE_ENDIAN
667 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 668 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 669 select ARCH_MAY_HAVE_PC_FDC
1da177e4 670 select BOOT_ELF32
42f77542 671 select CEVT_R4K
940f6b48 672 select CSRC_R4K
e2defae5 673 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
674 select DMA_NONCOHERENT
675 select GENERIC_ISA_DMA
8a118c38 676 select HAVE_PCSPKR_PLATFORM
5e83d430 677 select HW_HAS_EISA
1da177e4 678 select HW_HAS_PCI
c066a32a 679 select IRQ_CPU
d865bea4 680 select I8253
1da177e4
LT
681 select I8259
682 select ISA
4a0312fc 683 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 684 select SYS_HAS_CPU_R4X00
4a0312fc 685 select SYS_HAS_CPU_R5000
c066a32a 686 select SYS_HAS_CPU_R10000
4a0312fc 687 select R5000_CPU_SCACHE
36a88530 688 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 689 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 690 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 691 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 692 select SYS_SUPPORTS_HIGHMEM
5e83d430 693 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 694 help
14b36af4
TB
695 The SNI RM200/300/400 are MIPS-based machines manufactured by
696 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
697 Technology and now in turn merged with Fujitsu. Say Y here to
698 support this machine type.
699
edcaf1a6
AN
700config MACH_TX39XX
701 bool "Toshiba TX39 series based machines"
5e83d430 702
edcaf1a6
AN
703config MACH_TX49XX
704 bool "Toshiba TX49 series based machines"
5e83d430 705
73b4390f
RB
706config MIKROTIK_RB532
707 bool "Mikrotik RB532 boards"
708 select CEVT_R4K
709 select CSRC_R4K
710 select DMA_NONCOHERENT
73b4390f
RB
711 select HW_HAS_PCI
712 select IRQ_CPU
713 select SYS_HAS_CPU_MIPS32_R1
714 select SYS_SUPPORTS_32BIT_KERNEL
715 select SYS_SUPPORTS_LITTLE_ENDIAN
716 select SWAP_IO_SPACE
717 select BOOT_RAW
d888e25b 718 select ARCH_REQUIRE_GPIOLIB
930beb5a 719 select MIPS_L1_CACHE_SHIFT_4
73b4390f
RB
720 help
721 Support the Mikrotik(tm) RouterBoard 532 series,
722 based on the IDT RC32434 SoC.
723
9ddebc46
DD
724config CAVIUM_OCTEON_SOC
725 bool "Cavium Networks Octeon SoC based boards"
a86c7f72
DD
726 select CEVT_R4K
727 select 64BIT_PHYS_ADDR
728 select DMA_COHERENT
729 select SYS_SUPPORTS_64BIT_KERNEL
730 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 731 select EDAC_SUPPORT
773cb77d 732 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 733 select SYS_HAS_EARLY_PRINTK
5e683389 734 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 735 select SWAP_IO_SPACE
e8635b48 736 select HW_HAS_PCI
f00e001e 737 select ZONE_DMA32
465aaed0 738 select HOLES_IN_ZONE
99cab4bb 739 select ARCH_REQUIRE_GPIOLIB
6e511163
DD
740 select LIBFDT
741 select USE_OF
742 select ARCH_SPARSEMEM_ENABLE
743 select SYS_SUPPORTS_SMP
744 select NR_CPUS_DEFAULT_16
a86c7f72
DD
745 help
746 This option supports all of the Octeon reference boards from Cavium
747 Networks. It builds a kernel that dynamically determines the Octeon
748 CPU type and supports all known board reference implementations.
749 Some of the supported boards are:
750 EBT3000
751 EBH3000
752 EBH3100
753 Thunder
754 Kodama
755 Hikari
756 Say Y here for most Octeon reference boards.
757
7f058e85
J
758config NLM_XLR_BOARD
759 bool "Netlogic XLR/XLS based systems"
7f058e85
J
760 select BOOT_ELF32
761 select NLM_COMMON
7f058e85
J
762 select SYS_HAS_CPU_XLR
763 select SYS_SUPPORTS_SMP
764 select HW_HAS_PCI
765 select SWAP_IO_SPACE
766 select SYS_SUPPORTS_32BIT_KERNEL
767 select SYS_SUPPORTS_64BIT_KERNEL
768 select 64BIT_PHYS_ADDR
769 select SYS_SUPPORTS_BIG_ENDIAN
770 select SYS_SUPPORTS_HIGHMEM
771 select DMA_COHERENT
772 select NR_CPUS_DEFAULT_32
773 select CEVT_R4K
774 select CSRC_R4K
775 select IRQ_CPU
b97215fd 776 select ZONE_DMA32 if 64BIT
7f058e85
J
777 select SYNC_R4K
778 select SYS_HAS_EARLY_PRINTK
8f0b0430
J
779 select SYS_SUPPORTS_ZBOOT
780 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
781 help
782 Support for systems based on Netlogic XLR and XLS processors.
783 Say Y here if you have a XLR or XLS based board.
784
1c773ea4
J
785config NLM_XLP_BOARD
786 bool "Netlogic XLP based systems"
1c773ea4
J
787 select BOOT_ELF32
788 select NLM_COMMON
789 select SYS_HAS_CPU_XLP
790 select SYS_SUPPORTS_SMP
791 select HW_HAS_PCI
1c773ea4
J
792 select SYS_SUPPORTS_32BIT_KERNEL
793 select SYS_SUPPORTS_64BIT_KERNEL
794 select 64BIT_PHYS_ADDR
795 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_LITTLE_ENDIAN
797 select SYS_SUPPORTS_HIGHMEM
798 select DMA_COHERENT
799 select NR_CPUS_DEFAULT_32
800 select CEVT_R4K
801 select CSRC_R4K
802 select IRQ_CPU
b97215fd 803 select ZONE_DMA32 if 64BIT
1c773ea4
J
804 select SYNC_R4K
805 select SYS_HAS_EARLY_PRINTK
2f6528e1 806 select USE_OF
8f0b0430
J
807 select SYS_SUPPORTS_ZBOOT
808 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
809 help
810 This board is based on Netlogic XLP Processor.
811 Say Y here if you have a XLP based board.
812
9bc463be
DD
813config MIPS_PARAVIRT
814 bool "Para-Virtualized guest system"
815 select CEVT_R4K
816 select CSRC_R4K
817 select DMA_COHERENT
818 select SYS_SUPPORTS_64BIT_KERNEL
819 select SYS_SUPPORTS_32BIT_KERNEL
820 select SYS_SUPPORTS_BIG_ENDIAN
821 select SYS_SUPPORTS_SMP
822 select NR_CPUS_DEFAULT_4
823 select SYS_HAS_EARLY_PRINTK
824 select SYS_HAS_CPU_MIPS32_R2
825 select SYS_HAS_CPU_MIPS64_R2
826 select SYS_HAS_CPU_CAVIUM_OCTEON
827 select HW_HAS_PCI
828 select SWAP_IO_SPACE
829 help
830 This option supports guest running under ????
831
5e83d430 832endchoice
1da177e4 833
e8c7c482 834source "arch/mips/alchemy/Kconfig"
d4a67d9d 835source "arch/mips/ath79/Kconfig"
a656ffcb 836source "arch/mips/bcm47xx/Kconfig"
e7300d04 837source "arch/mips/bcm63xx/Kconfig"
5e83d430 838source "arch/mips/jazz/Kconfig"
5ebabe59 839source "arch/mips/jz4740/Kconfig"
8ec6d935 840source "arch/mips/lantiq/Kconfig"
1f21d2bd 841source "arch/mips/lasat/Kconfig"
0f3a05cb 842source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 843source "arch/mips/ralink/Kconfig"
29c48699 844source "arch/mips/sgi-ip27/Kconfig"
38b18f72 845source "arch/mips/sibyte/Kconfig"
22b1d707 846source "arch/mips/txx9/Kconfig"
5e83d430 847source "arch/mips/vr41xx/Kconfig"
a86c7f72 848source "arch/mips/cavium-octeon/Kconfig"
85749d24 849source "arch/mips/loongson/Kconfig"
ca585cf9 850source "arch/mips/loongson1/Kconfig"
7f058e85 851source "arch/mips/netlogic/Kconfig"
ae6e7e63 852source "arch/mips/paravirt/Kconfig"
38b18f72 853
5e83d430
RB
854endmenu
855
1da177e4
LT
856config RWSEM_GENERIC_SPINLOCK
857 bool
858 default y
859
860config RWSEM_XCHGADD_ALGORITHM
861 bool
862
f0d1b0b3
DH
863config ARCH_HAS_ILOG2_U32
864 bool
865 default n
866
867config ARCH_HAS_ILOG2_U64
868 bool
869 default n
870
3c9ee7ef
AM
871config GENERIC_HWEIGHT
872 bool
873 default y
874
1da177e4
LT
875config GENERIC_CALIBRATE_DELAY
876 bool
877 default y
878
ae1e9130 879config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
880 bool
881 default y
882
1da177e4
LT
883#
884# Select some configuration options automatically based on user selections.
885#
0e2794b0 886config FW_ARC
1da177e4 887 bool
1da177e4 888
61ed242d
RB
889config ARCH_MAY_HAVE_PC_FDC
890 bool
891
9267a30d
MSJ
892config BOOT_RAW
893 bool
894
217dd11e
RB
895config CEVT_BCM1480
896 bool
897
6457d9fc
YY
898config CEVT_DS1287
899 bool
900
1097c6ac
YY
901config CEVT_GT641XX
902 bool
903
42f77542
RB
904config CEVT_R4K
905 bool
906
0ab2b7d0 907config CEVT_GIC
237036de 908 select MIPS_CM
0ab2b7d0
RG
909 bool
910
217dd11e
RB
911config CEVT_SB1250
912 bool
913
229f773e
AN
914config CEVT_TXX9
915 bool
916
217dd11e
RB
917config CSRC_BCM1480
918 bool
919
4247417d
YY
920config CSRC_IOASIC
921 bool
922
940f6b48
RB
923config CSRC_R4K
924 bool
925
778eeb1b 926config CSRC_GIC
237036de 927 select MIPS_CM
778eeb1b
SH
928 bool
929
217dd11e
RB
930config CSRC_SB1250
931 bool
932
a9aec7fe 933config GPIO_TXX9
7444a72e 934 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
935 bool
936
0e2794b0 937config FW_CFE
df78b5c8
AJ
938 bool
939
4bafad92
FT
940config ARCH_DMA_ADDR_T_64BIT
941 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
942
885014bc
FF
943config DMA_MAYBE_COHERENT
944 select DMA_NONCOHERENT
945 bool
946
4ce588cd 947config DMA_COHERENT
1da177e4
LT
948 bool
949
4ce588cd
RB
950config DMA_NONCOHERENT
951 bool
e1e02b32 952 select NEED_DMA_MAP_STATE
4ce588cd 953
e1e02b32 954config NEED_DMA_MAP_STATE
1da177e4
LT
955 bool
956
36a88530 957config SYS_HAS_EARLY_PRINTK
1da177e4 958 bool
1da177e4 959
dbb74540 960config HOTPLUG_CPU
1b2bc75c 961 bool "Support for hot-pluggable CPUs"
40b31360 962 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1b2bc75c
RB
963 help
964 Say Y here to allow turning CPUs off and on. CPUs can be
965 controlled through /sys/devices/system/cpu.
966 (Note: power management support will enable this option
967 automatically on SMP systems. )
968 Say N if you want to disable CPU hotplug.
969
970config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 971 bool
dbb74540 972
1da177e4
LT
973config I8259
974 bool
1da177e4 975
1da177e4
LT
976config MIPS_BONITO64
977 bool
1da177e4
LT
978
979config MIPS_MSC
980 bool
1da177e4 981
1f21d2bd
BM
982config MIPS_NILE4
983 bool
984
39b8d525
RB
985config SYNC_R4K
986 bool
987
487d70d0
GJ
988config MIPS_MACHINE
989 def_bool n
990
ce816fa8 991config NO_IOPORT_MAP
d388d685
MR
992 def_bool n
993
8313da30
RB
994config GENERIC_ISA_DMA
995 bool
996 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 997 select ISA_DMA_API
8313da30 998
aa414dff
RB
999config GENERIC_ISA_DMA_SUPPORT_BROKEN
1000 bool
8313da30 1001 select GENERIC_ISA_DMA
aa414dff 1002
a35bee8a
NK
1003config ISA_DMA_API
1004 bool
1005
465aaed0
DD
1006config HOLES_IN_ZONE
1007 bool
1008
5e83d430 1009#
6b2aac42 1010# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
1011# answer,so we try hard to limit the available choices. Also the use of a
1012# choice statement should be more obvious to the user.
1013#
1014choice
6b2aac42 1015 prompt "Endianness selection"
1da177e4
LT
1016 help
1017 Some MIPS machines can be configured for either little or big endian
5e83d430 1018 byte order. These modes require different kernels and a different
3cb2fccc 1019 Linux distribution. In general there is one preferred byteorder for a
5e83d430 1020 particular system but some systems are just as commonly used in the
3dde6ad8 1021 one or the other endianness.
5e83d430
RB
1022
1023config CPU_BIG_ENDIAN
1024 bool "Big endian"
1025 depends on SYS_SUPPORTS_BIG_ENDIAN
1026
1027config CPU_LITTLE_ENDIAN
1028 bool "Little endian"
1029 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
1030
1031endchoice
1032
22b0763a
DD
1033config EXPORT_UASM
1034 bool
1035
2116245e
RB
1036config SYS_SUPPORTS_APM_EMULATION
1037 bool
1038
5e83d430
RB
1039config SYS_SUPPORTS_BIG_ENDIAN
1040 bool
1041
1042config SYS_SUPPORTS_LITTLE_ENDIAN
1043 bool
1da177e4 1044
9cffd154
DD
1045config SYS_SUPPORTS_HUGETLBFS
1046 bool
1047 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1048 default y
1049
aa1762f4
DD
1050config MIPS_HUGE_TLB_SUPPORT
1051 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1052
1da177e4
LT
1053config IRQ_CPU
1054 bool
1055
1056config IRQ_CPU_RM7K
1057 bool
1058
9267a30d
MSJ
1059config IRQ_MSP_SLP
1060 bool
1061
1062config IRQ_MSP_CIC
1063 bool
1064
8420fd00
AN
1065config IRQ_TXX9
1066 bool
1067
d5ab1a69
YY
1068config IRQ_GT641XX
1069 bool
1070
39b8d525 1071config IRQ_GIC
237036de 1072 select MIPS_CM
39b8d525
RB
1073 bool
1074
252161ec 1075config PCI_GT64XXX_PCI0
1da177e4 1076 bool
1da177e4 1077
9267a30d
MSJ
1078config NO_EXCEPT_FILL
1079 bool
1080
a83860c2
RB
1081config SOC_EMMA2RH
1082 bool
1083 select CEVT_R4K
1084 select CSRC_R4K
1085 select DMA_NONCOHERENT
1086 select IRQ_CPU
1087 select SWAP_IO_SPACE
1088 select SYS_HAS_CPU_R5500
1089 select SYS_SUPPORTS_32BIT_KERNEL
1090 select SYS_SUPPORTS_64BIT_KERNEL
1091 select SYS_SUPPORTS_BIG_ENDIAN
1092
edb6310a
DL
1093config SOC_PNX833X
1094 bool
1095 select CEVT_R4K
1096 select CSRC_R4K
1097 select IRQ_CPU
1098 select DMA_NONCOHERENT
1099 select SYS_HAS_CPU_MIPS32_R2
1100 select SYS_SUPPORTS_32BIT_KERNEL
1101 select SYS_SUPPORTS_LITTLE_ENDIAN
1102 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 1103 select SYS_SUPPORTS_MIPS16
edb6310a
DL
1104 select CPU_MIPSR2_IRQ_VI
1105
1106config SOC_PNX8335
1107 bool
1108 select SOC_PNX833X
1109
1da177e4
LT
1110config SWAP_IO_SPACE
1111 bool
1112
e2defae5
TB
1113config SGI_HAS_INDYDOG
1114 bool
1115
5b438c44
TB
1116config SGI_HAS_HAL2
1117 bool
1118
e2defae5
TB
1119config SGI_HAS_SEEQ
1120 bool
1121
1122config SGI_HAS_WD93
1123 bool
1124
1125config SGI_HAS_ZILOG
1126 bool
1127
1128config SGI_HAS_I8042
1129 bool
1130
1131config DEFAULT_SGI_PARTITION
1132 bool
1133
0e2794b0 1134config FW_ARC32
5e83d430
RB
1135 bool
1136
aaa9fad3 1137config FW_SNIPROM
231a35d3
TB
1138 bool
1139
1da177e4
LT
1140config BOOT_ELF32
1141 bool
1da177e4 1142
930beb5a
FF
1143config MIPS_L1_CACHE_SHIFT_4
1144 bool
1145
1146config MIPS_L1_CACHE_SHIFT_5
1147 bool
1148
1149config MIPS_L1_CACHE_SHIFT_6
1150 bool
1151
1152config MIPS_L1_CACHE_SHIFT_7
1153 bool
1154
1da177e4
LT
1155config MIPS_L1_CACHE_SHIFT
1156 int
a4c0201e
FF
1157 default "4" if MIPS_L1_CACHE_SHIFT_4
1158 default "5" if MIPS_L1_CACHE_SHIFT_5
1159 default "6" if MIPS_L1_CACHE_SHIFT_6
1160 default "7" if MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
1161 default "5"
1162
1da177e4
LT
1163config HAVE_STD_PC_SERIAL_PORT
1164 bool
1165
1da177e4
LT
1166config ARC_CONSOLE
1167 bool "ARC console support"
e2defae5 1168 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1169
1170config ARC_MEMORY
1171 bool
14b36af4 1172 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1173 default y
1174
1175config ARC_PROMLIB
1176 bool
e2defae5 1177 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1178 default y
1179
0e2794b0 1180config FW_ARC64
1da177e4 1181 bool
1da177e4
LT
1182
1183config BOOT_ELF64
1184 bool
1da177e4 1185
1da177e4
LT
1186menu "CPU selection"
1187
1188choice
1189 prompt "CPU type"
1190 default CPU_R4X00
1191
0e476d91
HC
1192config CPU_LOONGSON3
1193 bool "Loongson 3 CPU"
1194 depends on SYS_HAS_CPU_LOONGSON3
1195 select CPU_SUPPORTS_64BIT_KERNEL
1196 select CPU_SUPPORTS_HIGHMEM
1197 select CPU_SUPPORTS_HUGEPAGES
1198 select WEAK_ORDERING
1199 select WEAK_REORDERING_BEYOND_LLSC
1200 help
1201 The Loongson 3 processor implements the MIPS64R2 instruction
1202 set with many extensions.
1203
3702bba5
WZ
1204config CPU_LOONGSON2E
1205 bool "Loongson 2E"
1206 depends on SYS_HAS_CPU_LOONGSON2E
1207 select CPU_LOONGSON2
2a21c730
FZ
1208 help
1209 The Loongson 2E processor implements the MIPS III instruction set
1210 with many extensions.
1211
25985edc 1212 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1213 bonito64.
1214
1215config CPU_LOONGSON2F
1216 bool "Loongson 2F"
1217 depends on SYS_HAS_CPU_LOONGSON2F
1218 select CPU_LOONGSON2
c197da91 1219 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1220 help
1221 The Loongson 2F processor implements the MIPS III instruction set
1222 with many extensions.
1223
1224 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1225 have a similar programming interface with FPGA northbridge used in
1226 Loongson2E.
1227
ca585cf9
KC
1228config CPU_LOONGSON1B
1229 bool "Loongson 1B"
1230 depends on SYS_HAS_CPU_LOONGSON1B
1231 select CPU_LOONGSON1
1232 help
1233 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1234 release 2 instruction set.
1235
6e760c8d
RB
1236config CPU_MIPS32_R1
1237 bool "MIPS32 Release 1"
7cf8053b 1238 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1239 select CPU_HAS_PREFETCH
797798c1 1240 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1241 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1242 help
5e83d430 1243 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1244 MIPS32 architecture. Most modern embedded systems with a 32-bit
1245 MIPS processor are based on a MIPS32 processor. If you know the
1246 specific type of processor in your system, choose those that one
1247 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1248 Release 2 of the MIPS32 architecture is available since several
1249 years so chances are you even have a MIPS32 Release 2 processor
1250 in which case you should choose CPU_MIPS32_R2 instead for better
1251 performance.
1252
1253config CPU_MIPS32_R2
1254 bool "MIPS32 Release 2"
7cf8053b 1255 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1256 select CPU_HAS_PREFETCH
797798c1 1257 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1258 select CPU_SUPPORTS_HIGHMEM
a5e9a69e 1259 select CPU_SUPPORTS_MSA
2235a54d 1260 select HAVE_KVM
6e760c8d 1261 help
5e83d430 1262 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1263 MIPS32 architecture. Most modern embedded systems with a 32-bit
1264 MIPS processor are based on a MIPS32 processor. If you know the
1265 specific type of processor in your system, choose those that one
1266 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1267
1268config CPU_MIPS64_R1
1269 bool "MIPS64 Release 1"
7cf8053b 1270 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1271 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1272 select CPU_SUPPORTS_32BIT_KERNEL
1273 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1274 select CPU_SUPPORTS_HIGHMEM
9cffd154 1275 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1276 help
1277 Choose this option to build a kernel for release 1 or later of the
1278 MIPS64 architecture. Many modern embedded systems with a 64-bit
1279 MIPS processor are based on a MIPS64 processor. If you know the
1280 specific type of processor in your system, choose those that one
1281 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1282 Release 2 of the MIPS64 architecture is available since several
1283 years so chances are you even have a MIPS64 Release 2 processor
1284 in which case you should choose CPU_MIPS64_R2 instead for better
1285 performance.
1286
1287config CPU_MIPS64_R2
1288 bool "MIPS64 Release 2"
7cf8053b 1289 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1290 select CPU_HAS_PREFETCH
1e5f1caa
RB
1291 select CPU_SUPPORTS_32BIT_KERNEL
1292 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1293 select CPU_SUPPORTS_HIGHMEM
9cffd154 1294 select CPU_SUPPORTS_HUGEPAGES
a5e9a69e 1295 select CPU_SUPPORTS_MSA
1e5f1caa
RB
1296 help
1297 Choose this option to build a kernel for release 2 or later of the
1298 MIPS64 architecture. Many modern embedded systems with a 64-bit
1299 MIPS processor are based on a MIPS64 processor. If you know the
1300 specific type of processor in your system, choose those that one
1301 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1302
1303config CPU_R3000
1304 bool "R3000"
7cf8053b 1305 depends on SYS_HAS_CPU_R3000
f7062ddb 1306 select CPU_HAS_WB
ed5ba2fb 1307 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1308 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1309 help
1310 Please make sure to pick the right CPU type. Linux/MIPS is not
1311 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1312 *not* work on R4000 machines and vice versa. However, since most
1313 of the supported machines have an R4000 (or similar) CPU, R4x00
1314 might be a safe bet. If the resulting kernel does not work,
1315 try to recompile with R3000.
1316
1317config CPU_TX39XX
1318 bool "R39XX"
7cf8053b 1319 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1320 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1321
1322config CPU_VR41XX
1323 bool "R41xx"
7cf8053b 1324 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1325 select CPU_SUPPORTS_32BIT_KERNEL
1326 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1327 help
5e83d430 1328 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1329 Only choose this option if you have one of these processors as a
1330 kernel built with this option will not run on any other type of
1331 processor or vice versa.
1332
1333config CPU_R4300
1334 bool "R4300"
7cf8053b 1335 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1336 select CPU_SUPPORTS_32BIT_KERNEL
1337 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1338 help
1339 MIPS Technologies R4300-series processors.
1340
1341config CPU_R4X00
1342 bool "R4x00"
7cf8053b 1343 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1344 select CPU_SUPPORTS_32BIT_KERNEL
1345 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1346 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1347 help
1348 MIPS Technologies R4000-series processors other than 4300, including
1349 the R4000, R4400, R4600, and 4700.
1350
1351config CPU_TX49XX
1352 bool "R49XX"
7cf8053b 1353 depends on SYS_HAS_CPU_TX49XX
de862b48 1354 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1355 select CPU_SUPPORTS_32BIT_KERNEL
1356 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1357 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1358
1359config CPU_R5000
1360 bool "R5000"
7cf8053b 1361 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1362 select CPU_SUPPORTS_32BIT_KERNEL
1363 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1364 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1365 help
1366 MIPS Technologies R5000-series processors other than the Nevada.
1367
1368config CPU_R5432
1369 bool "R5432"
7cf8053b 1370 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1371 select CPU_SUPPORTS_32BIT_KERNEL
1372 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1373 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1374
542c1020
SK
1375config CPU_R5500
1376 bool "R5500"
1377 depends on SYS_HAS_CPU_R5500
542c1020
SK
1378 select CPU_SUPPORTS_32BIT_KERNEL
1379 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1380 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1381 help
1382 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1383 instruction set.
1384
1da177e4
LT
1385config CPU_R6000
1386 bool "R6000"
7cf8053b 1387 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1388 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1389 help
1390 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1391 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1392
1393config CPU_NEVADA
1394 bool "RM52xx"
7cf8053b 1395 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1396 select CPU_SUPPORTS_32BIT_KERNEL
1397 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1398 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1399 help
1400 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1401
1402config CPU_R8000
1403 bool "R8000"
7cf8053b 1404 depends on SYS_HAS_CPU_R8000
5e83d430 1405 select CPU_HAS_PREFETCH
ed5ba2fb 1406 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1407 help
1408 MIPS Technologies R8000 processors. Note these processors are
1409 uncommon and the support for them is incomplete.
1410
1411config CPU_R10000
1412 bool "R10000"
7cf8053b 1413 depends on SYS_HAS_CPU_R10000
5e83d430 1414 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1415 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1417 select CPU_SUPPORTS_HIGHMEM
970d032f 1418 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1419 help
1420 MIPS Technologies R10000-series processors.
1421
1422config CPU_RM7000
1423 bool "RM7000"
7cf8053b 1424 depends on SYS_HAS_CPU_RM7000
5e83d430 1425 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1426 select CPU_SUPPORTS_32BIT_KERNEL
1427 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1428 select CPU_SUPPORTS_HIGHMEM
970d032f 1429 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1430
1431config CPU_SB1
1432 bool "SB1"
7cf8053b 1433 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1434 select CPU_SUPPORTS_32BIT_KERNEL
1435 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1436 select CPU_SUPPORTS_HIGHMEM
970d032f 1437 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1438 select WEAK_ORDERING
1da177e4 1439
a86c7f72
DD
1440config CPU_CAVIUM_OCTEON
1441 bool "Cavium Octeon processor"
5e683389 1442 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1443 select CPU_HAS_PREFETCH
1444 select CPU_SUPPORTS_64BIT_KERNEL
a86c7f72 1445 select WEAK_ORDERING
a86c7f72 1446 select CPU_SUPPORTS_HIGHMEM
9cffd154 1447 select CPU_SUPPORTS_HUGEPAGES
9296d94d 1448 select USB_EHCI_BIG_ENDIAN_MMIO
930beb5a 1449 select MIPS_L1_CACHE_SHIFT_7
a86c7f72
DD
1450 help
1451 The Cavium Octeon processor is a highly integrated chip containing
1452 many ethernet hardware widgets for networking tasks. The processor
1453 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1454 Full details can be found at http://www.caviumnetworks.com.
1455
cd746249
JG
1456config CPU_BMIPS
1457 bool "Broadcom BMIPS"
1458 depends on SYS_HAS_CPU_BMIPS
1459 select CPU_MIPS32
fe7f62c0 1460 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
cd746249
JG
1461 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1462 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1463 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1464 select CPU_SUPPORTS_32BIT_KERNEL
1465 select DMA_NONCOHERENT
1466 select IRQ_CPU
1467 select SWAP_IO_SPACE
1468 select WEAK_ORDERING
c1c0c461 1469 select CPU_SUPPORTS_HIGHMEM
69aaf9c8 1470 select CPU_HAS_PREFETCH
c1c0c461 1471 help
fe7f62c0 1472 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
c1c0c461 1473
7f058e85
J
1474config CPU_XLR
1475 bool "Netlogic XLR SoC"
1476 depends on SYS_HAS_CPU_XLR
1477 select CPU_SUPPORTS_32BIT_KERNEL
1478 select CPU_SUPPORTS_64BIT_KERNEL
1479 select CPU_SUPPORTS_HIGHMEM
970d032f 1480 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1481 select WEAK_ORDERING
1482 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1483 help
1484 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1485
1486config CPU_XLP
1487 bool "Netlogic XLP SoC"
1488 depends on SYS_HAS_CPU_XLP
1489 select CPU_SUPPORTS_32BIT_KERNEL
1490 select CPU_SUPPORTS_64BIT_KERNEL
1491 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1492 select WEAK_ORDERING
1493 select WEAK_REORDERING_BEYOND_LLSC
1494 select CPU_HAS_PREFETCH
d6504846 1495 select CPU_MIPSR2
1c773ea4
J
1496 help
1497 Netlogic Microsystems XLP processors.
1da177e4
LT
1498endchoice
1499
a6e18781
LY
1500config CPU_MIPS32_3_5_FEATURES
1501 bool "MIPS32 Release 3.5 Features"
1502 depends on SYS_HAS_CPU_MIPS32_R3_5
1503 depends on CPU_MIPS32_R2
1504 help
1505 Choose this option to build a kernel for release 2 or later of the
1506 MIPS32 architecture including features from the 3.5 release such as
1507 support for Enhanced Virtual Addressing (EVA).
1508
1509config CPU_MIPS32_3_5_EVA
1510 bool "Enhanced Virtual Addressing (EVA)"
1511 depends on CPU_MIPS32_3_5_FEATURES
1512 select EVA
1513 default y
1514 help
1515 Choose this option if you want to enable the Enhanced Virtual
1516 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1517 One of its primary benefits is an increase in the maximum size
1518 of lowmem (up to 3GB). If unsure, say 'N' here.
1519
622844bf
WZ
1520if CPU_LOONGSON2F
1521config CPU_NOP_WORKAROUNDS
1522 bool
1523
1524config CPU_JUMP_WORKAROUNDS
1525 bool
1526
1527config CPU_LOONGSON2F_WORKAROUNDS
1528 bool "Loongson 2F Workarounds"
1529 default y
1530 select CPU_NOP_WORKAROUNDS
1531 select CPU_JUMP_WORKAROUNDS
1532 help
1533 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1534 require workarounds. Without workarounds the system may hang
1535 unexpectedly. For more information please refer to the gas
1536 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1537
1538 Loongson 2F03 and later have fixed these issues and no workarounds
1539 are needed. The workarounds have no significant side effect on them
1540 but may decrease the performance of the system so this option should
1541 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1542 systems.
1543
1544 If unsure, please say Y.
1545endif # CPU_LOONGSON2F
1546
1b93b3c3
WZ
1547config SYS_SUPPORTS_ZBOOT
1548 bool
1549 select HAVE_KERNEL_GZIP
1550 select HAVE_KERNEL_BZIP2
31c4867d 1551 select HAVE_KERNEL_LZ4
1b93b3c3 1552 select HAVE_KERNEL_LZMA
fe1d45e0 1553 select HAVE_KERNEL_LZO
4e23eb63 1554 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1555
1556config SYS_SUPPORTS_ZBOOT_UART16550
1557 bool
1558 select SYS_SUPPORTS_ZBOOT
1559
3702bba5
WZ
1560config CPU_LOONGSON2
1561 bool
1562 select CPU_SUPPORTS_32BIT_KERNEL
1563 select CPU_SUPPORTS_64BIT_KERNEL
1564 select CPU_SUPPORTS_HIGHMEM
970d032f 1565 select CPU_SUPPORTS_HUGEPAGES
3702bba5 1566
ca585cf9
KC
1567config CPU_LOONGSON1
1568 bool
1569 select CPU_MIPS32
1570 select CPU_MIPSR2
1571 select CPU_HAS_PREFETCH
1572 select CPU_SUPPORTS_32BIT_KERNEL
1573 select CPU_SUPPORTS_HIGHMEM
1574
fe7f62c0 1575config CPU_BMIPS32_3300
04fa8bf7 1576 select SMP_UP if SMP
1bbb6c1b 1577 bool
cd746249
JG
1578
1579config CPU_BMIPS4350
1580 bool
1581 select SYS_SUPPORTS_SMP
1582 select SYS_SUPPORTS_HOTPLUG_CPU
1583
1584config CPU_BMIPS4380
1585 bool
1586 select SYS_SUPPORTS_SMP
1587 select SYS_SUPPORTS_HOTPLUG_CPU
1588
1589config CPU_BMIPS5000
1590 bool
cd746249
JG
1591 select MIPS_CPU_SCACHE
1592 select SYS_SUPPORTS_SMP
1593 select SYS_SUPPORTS_HOTPLUG_CPU
1bbb6c1b 1594
0e476d91
HC
1595config SYS_HAS_CPU_LOONGSON3
1596 bool
1597 select CPU_SUPPORTS_CPUFREQ
1598
3702bba5 1599config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1600 bool
1601
6f7a251a
WZ
1602config SYS_HAS_CPU_LOONGSON2F
1603 bool
55045ff5
WZ
1604 select CPU_SUPPORTS_CPUFREQ
1605 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1606 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1607
ca585cf9
KC
1608config SYS_HAS_CPU_LOONGSON1B
1609 bool
1610
7cf8053b
RB
1611config SYS_HAS_CPU_MIPS32_R1
1612 bool
1613
1614config SYS_HAS_CPU_MIPS32_R2
1615 bool
1616
a6e18781
LY
1617config SYS_HAS_CPU_MIPS32_R3_5
1618 bool
1619
7cf8053b
RB
1620config SYS_HAS_CPU_MIPS64_R1
1621 bool
1622
1623config SYS_HAS_CPU_MIPS64_R2
1624 bool
1625
1626config SYS_HAS_CPU_R3000
1627 bool
1628
1629config SYS_HAS_CPU_TX39XX
1630 bool
1631
1632config SYS_HAS_CPU_VR41XX
1633 bool
1634
1635config SYS_HAS_CPU_R4300
1636 bool
1637
1638config SYS_HAS_CPU_R4X00
1639 bool
1640
1641config SYS_HAS_CPU_TX49XX
1642 bool
1643
1644config SYS_HAS_CPU_R5000
1645 bool
1646
1647config SYS_HAS_CPU_R5432
1648 bool
1649
542c1020
SK
1650config SYS_HAS_CPU_R5500
1651 bool
1652
7cf8053b
RB
1653config SYS_HAS_CPU_R6000
1654 bool
1655
1656config SYS_HAS_CPU_NEVADA
1657 bool
1658
1659config SYS_HAS_CPU_R8000
1660 bool
1661
1662config SYS_HAS_CPU_R10000
1663 bool
1664
1665config SYS_HAS_CPU_RM7000
1666 bool
1667
7cf8053b
RB
1668config SYS_HAS_CPU_SB1
1669 bool
1670
5e683389
DD
1671config SYS_HAS_CPU_CAVIUM_OCTEON
1672 bool
1673
cd746249 1674config SYS_HAS_CPU_BMIPS
c1c0c461
KC
1675 bool
1676
fe7f62c0 1677config SYS_HAS_CPU_BMIPS32_3300
c1c0c461 1678 bool
cd746249 1679 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1680
1681config SYS_HAS_CPU_BMIPS4350
1682 bool
cd746249 1683 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1684
1685config SYS_HAS_CPU_BMIPS4380
1686 bool
cd746249 1687 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1688
1689config SYS_HAS_CPU_BMIPS5000
1690 bool
cd746249 1691 select SYS_HAS_CPU_BMIPS
c1c0c461 1692
7f058e85
J
1693config SYS_HAS_CPU_XLR
1694 bool
1695
1c773ea4
J
1696config SYS_HAS_CPU_XLP
1697 bool
1698
b6911bba
PB
1699config MIPS_MALTA_PM
1700 depends on MIPS_MALTA
1701 depends on PCI
1702 bool
1703 default y
1704
17099b11
RB
1705#
1706# CPU may reorder R->R, R->W, W->R, W->W
1707# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1708#
0004a9df
RB
1709config WEAK_ORDERING
1710 bool
17099b11
RB
1711
1712#
1713# CPU may reorder reads and writes beyond LL/SC
1714# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1715#
1716config WEAK_REORDERING_BEYOND_LLSC
1717 bool
5e83d430
RB
1718endmenu
1719
1720#
c09b47d8 1721# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1722#
1723config CPU_MIPS32
1724 bool
1725 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1726
1727config CPU_MIPS64
1728 bool
1729 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1730
1731#
c09b47d8 1732# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1733#
1734config CPU_MIPSR1
1735 bool
1736 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1737
1738config CPU_MIPSR2
1739 bool
a86c7f72 1740 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430 1741
a6e18781
LY
1742config EVA
1743 bool
1744
5e83d430
RB
1745config SYS_SUPPORTS_32BIT_KERNEL
1746 bool
1747config SYS_SUPPORTS_64BIT_KERNEL
1748 bool
1749config CPU_SUPPORTS_32BIT_KERNEL
1750 bool
1751config CPU_SUPPORTS_64BIT_KERNEL
1752 bool
55045ff5
WZ
1753config CPU_SUPPORTS_CPUFREQ
1754 bool
1755config CPU_SUPPORTS_ADDRWINCFG
1756 bool
9cffd154
DD
1757config CPU_SUPPORTS_HUGEPAGES
1758 bool
22f1fdfd
WZ
1759config CPU_SUPPORTS_UNCACHED_ACCELERATED
1760 bool
82622284
DD
1761config MIPS_PGD_C0_CONTEXT
1762 bool
d6504846 1763 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
5e83d430 1764
8192c9ea
DD
1765#
1766# Set to y for ptrace access to watch registers.
1767#
1768config HARDWARE_WATCHPOINTS
1769 bool
f839490a 1770 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1771
5e83d430
RB
1772menu "Kernel type"
1773
1774choice
5e83d430
RB
1775 prompt "Kernel code model"
1776 help
1777 You should only select this option if you have a workload that
1778 actually benefits from 64-bit processing or if your machine has
1779 large memory. You will only be presented a single option in this
1780 menu if your system does not support both 32-bit and 64-bit kernels.
1781
1782config 32BIT
1783 bool "32-bit kernel"
1784 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1785 select TRAD_SIGNALS
1786 help
1787 Select this option if you want to build a 32-bit kernel.
1788config 64BIT
1789 bool "64-bit kernel"
1790 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1791 help
1792 Select this option if you want to build a 64-bit kernel.
1793
1794endchoice
1795
2235a54d
SL
1796config KVM_GUEST
1797 bool "KVM Guest Kernel"
f2a5b1d7 1798 depends on BROKEN_ON_SMP
2235a54d
SL
1799 help
1800 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1801
eda3d33c
JH
1802config KVM_GUEST_TIMER_FREQ
1803 int "Count/Compare Timer Frequency (MHz)"
2235a54d 1804 depends on KVM_GUEST
eda3d33c 1805 default 100
2235a54d 1806 help
eda3d33c
JH
1807 Set this to non-zero if building a guest kernel for KVM to skip RTC
1808 emulation when determining guest CPU Frequency. Instead, the guest's
1809 timer frequency is specified directly.
2235a54d 1810
1da177e4
LT
1811choice
1812 prompt "Kernel page size"
1813 default PAGE_SIZE_4KB
1814
1815config PAGE_SIZE_4KB
1816 bool "4kB"
0e476d91 1817 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1da177e4
LT
1818 help
1819 This option select the standard 4kB Linux page size. On some
1820 R3000-family processors this is the only available page size. Using
1821 4kB page size will minimize memory consumption and is therefore
1822 recommended for low memory systems.
1823
1824config PAGE_SIZE_8KB
1825 bool "8kB"
7d60717e 1826 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1da177e4
LT
1827 help
1828 Using 8kB page size will result in higher performance kernel at
1829 the price of higher memory consumption. This option is available
c52399be
RB
1830 only on R8000 and cnMIPS processors. Note that you will need a
1831 suitable Linux distribution to support this.
1da177e4
LT
1832
1833config PAGE_SIZE_16KB
1834 bool "16kB"
714bfad6 1835 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1836 help
1837 Using 16kB page size will result in higher performance kernel at
1838 the price of higher memory consumption. This option is available on
714bfad6
RB
1839 all non-R3000 family processors. Note that you will need a suitable
1840 Linux distribution to support this.
1da177e4 1841
c52399be
RB
1842config PAGE_SIZE_32KB
1843 bool "32kB"
1844 depends on CPU_CAVIUM_OCTEON
1845 help
1846 Using 32kB page size will result in higher performance kernel at
1847 the price of higher memory consumption. This option is available
1848 only on cnMIPS cores. Note that you will need a suitable Linux
1849 distribution to support this.
1850
1da177e4
LT
1851config PAGE_SIZE_64KB
1852 bool "64kB"
7d60717e 1853 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1854 help
1855 Using 64kB page size will result in higher performance kernel at
1856 the price of higher memory consumption. This option is available on
1857 all non-R3000 family processor. Not that at the time of this
714bfad6 1858 writing this option is still high experimental.
1da177e4
LT
1859
1860endchoice
1861
c9bace7c
DD
1862config FORCE_MAX_ZONEORDER
1863 int "Maximum zone order"
e4362d1e
AS
1864 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1865 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1866 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1867 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1868 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1869 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
c9bace7c
DD
1870 range 11 64
1871 default "11"
1872 help
1873 The kernel memory allocator divides physically contiguous memory
1874 blocks into "zones", where each zone is a power of two number of
1875 pages. This option selects the largest power of two that the kernel
1876 keeps in the memory allocator. If you need to allocate very large
1877 blocks of physically contiguous memory, then you may need to
1878 increase this value.
1879
1880 This config option is actually maximum order plus one. For example,
1881 a value of 11 means that the largest free memory block is 2^10 pages.
1882
1883 The page size is not necessarily 4KB. Keep this in mind
1884 when choosing a value for this option.
1885
0ab2b7d0
RG
1886config CEVT_GIC
1887 bool "Use GIC global counter for clock events"
b633648c 1888 depends on IRQ_GIC && !MIPS_SEAD3
0ab2b7d0
RG
1889 help
1890 Use the GIC global counter for the clock events. The R4K clock
1891 event driver is always present, so if the platform ends up not
1892 detecting a GIC, it will fall back to the R4K timer for the
1893 generation of clock events.
1894
1da177e4
LT
1895config BOARD_SCACHE
1896 bool
1897
1898config IP22_CPU_SCACHE
1899 bool
1900 select BOARD_SCACHE
1901
9318c51a
CD
1902#
1903# Support for a MIPS32 / MIPS64 style S-caches
1904#
1905config MIPS_CPU_SCACHE
1906 bool
1907 select BOARD_SCACHE
930beb5a 1908 select MIPS_L1_CACHE_SHIFT_6
9318c51a 1909
1da177e4
LT
1910config R5000_CPU_SCACHE
1911 bool
1912 select BOARD_SCACHE
1913
1914config RM7000_CPU_SCACHE
1915 bool
1916 select BOARD_SCACHE
1917
1918config SIBYTE_DMA_PAGEOPS
1919 bool "Use DMA to clear/copy pages"
1920 depends on CPU_SB1
1921 help
1922 Instead of using the CPU to zero and copy pages, use a Data Mover
1923 channel. These DMA channels are otherwise unused by the standard
1924 SiByte Linux port. Seems to give a small performance benefit.
1925
1926config CPU_HAS_PREFETCH
c8094b53 1927 bool
1da177e4 1928
3165c846
FF
1929config CPU_GENERIC_DUMP_TLB
1930 bool
1931 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1932
91405eb6
FF
1933config CPU_R4K_FPU
1934 bool
1935 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1936
62cedc4f
FF
1937config CPU_R4K_CACHE_TLB
1938 bool
1939 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1940
59d6ab86 1941config MIPS_MT_SMP
a92b7f87 1942 bool "MIPS MT SMP support (1 TC on each available VPE)"
f41ae0b2 1943 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1944 select CPU_MIPSR2_IRQ_VI
d725cf38 1945 select CPU_MIPSR2_IRQ_EI
c080faa5 1946 select SYNC_R4K
0c2cb004 1947 select MIPS_GIC_IPI
f41ae0b2 1948 select MIPS_MT
41c594ab 1949 select SMP
87353d8a 1950 select SMP_UP
c080faa5
SH
1951 select SYS_SUPPORTS_SMP
1952 select SYS_SUPPORTS_SCHED_SMT
399aaa25 1953 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 1954 help
c080faa5
SH
1955 This is a kernel model which is known as SMVP. This is supported
1956 on cores with the MT ASE and uses the available VPEs to implement
1957 virtual processors which supports SMP. This is equivalent to the
1958 Intel Hyperthreading feature. For further information go to
1959 <http://www.imgtec.com/mips/mips-multithreading.asp>.
41c594ab 1960
f41ae0b2
RB
1961config MIPS_MT
1962 bool
1963
0ab7aefc
RB
1964config SCHED_SMT
1965 bool "SMT (multithreading) scheduler support"
1966 depends on SYS_SUPPORTS_SCHED_SMT
1967 default n
1968 help
1969 SMT scheduler support improves the CPU scheduler's decision making
1970 when dealing with MIPS MT enabled cores at a cost of slightly
1971 increased overhead in some places. If unsure say N here.
1972
1973config SYS_SUPPORTS_SCHED_SMT
1974 bool
1975
f41ae0b2
RB
1976config SYS_SUPPORTS_MULTITHREADING
1977 bool
1978
f088fc84
RB
1979config MIPS_MT_FPAFF
1980 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1981 default y
b633648c 1982 depends on MIPS_MT_SMP
07cc0c9e
RB
1983
1984config MIPS_VPE_LOADER
1985 bool "VPE loader support."
704e6460 1986 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
07cc0c9e
RB
1987 select CPU_MIPSR2_IRQ_VI
1988 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1989 select MIPS_MT
1990 help
1991 Includes a loader for loading an elf relocatable object
1992 onto another VPE and running it.
f088fc84 1993
17a1d523
DCZ
1994config MIPS_VPE_LOADER_CMP
1995 bool
1996 default "y"
1997 depends on MIPS_VPE_LOADER && MIPS_CMP
1998
1a2a6d7e
DCZ
1999config MIPS_VPE_LOADER_MT
2000 bool
2001 default "y"
2002 depends on MIPS_VPE_LOADER && !MIPS_CMP
2003
e01402b1
RB
2004config MIPS_VPE_LOADER_TOM
2005 bool "Load VPE program into memory hidden from linux"
2006 depends on MIPS_VPE_LOADER
2007 default y
2008 help
2009 The loader can use memory that is present but has been hidden from
2010 Linux using the kernel command line option "mem=xxMB". It's up to
2011 you to ensure the amount you put in the option and the space your
2012 program requires is less or equal to the amount physically present.
2013
e01402b1 2014config MIPS_VPE_APSP_API
5e83d430
RB
2015 bool "Enable support for AP/SP API (RTLX)"
2016 depends on MIPS_VPE_LOADER
2017 help
e01402b1 2018
da615cf6
DCZ
2019config MIPS_VPE_APSP_API_CMP
2020 bool
2021 default "y"
2022 depends on MIPS_VPE_APSP_API && MIPS_CMP
2023
2c973ef0
DCZ
2024config MIPS_VPE_APSP_API_MT
2025 bool
2026 default "y"
2027 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2028
4a16ff4c 2029config MIPS_CMP
5cac93b3 2030 bool "MIPS CMP framework support (DEPRECATED)"
b633648c 2031 depends on SYS_SUPPORTS_MIPS_CMP
72e20142 2032 select MIPS_GIC_IPI
eb9b5141 2033 select SYNC_R4K
4a16ff4c
RB
2034 select WEAK_ORDERING
2035 default n
2036 help
044505c7
PB
2037 Select this if you are using a bootloader which implements the "CMP
2038 framework" protocol (ie. YAMON) and want your kernel to make use of
2039 its ability to start secondary CPUs.
4a16ff4c 2040
5cac93b3
PB
2041 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2042 instead of this.
2043
0ee958e1
PB
2044config MIPS_CPS
2045 bool "MIPS Coherent Processing System support"
2046 depends on SYS_SUPPORTS_MIPS_CPS
2047 select MIPS_CM
2048 select MIPS_CPC
1d8f1f5a 2049 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2050 select MIPS_GIC_IPI
2051 select SMP
2052 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2053 select SYS_SUPPORTS_HOTPLUG_CPU
0ee958e1
PB
2054 select SYS_SUPPORTS_SMP
2055 select WEAK_ORDERING
2056 help
2057 Select this if you wish to run an SMP kernel across multiple cores
2058 within a MIPS Coherent Processing System. When this option is
2059 enabled the kernel will probe for other cores and boot them with
2060 no external assistance. It is safe to enable this when hardware
2061 support is unavailable.
2062
3179d37e 2063config MIPS_CPS_PM
a8b84677 2064 select MIPS_CPC
3179d37e
PB
2065 bool
2066
72e20142
PB
2067config MIPS_GIC_IPI
2068 bool
2069
9f98f3dd
PB
2070config MIPS_CM
2071 bool
2072
9c38cf44
PB
2073config MIPS_CPC
2074 bool
4a16ff4c 2075
1da177e4
LT
2076config SB1_PASS_1_WORKAROUNDS
2077 bool
2078 depends on CPU_SB1_PASS_1
2079 default y
2080
2081config SB1_PASS_2_WORKAROUNDS
2082 bool
2083 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2084 default y
2085
2086config SB1_PASS_2_1_WORKAROUNDS
2087 bool
2088 depends on CPU_SB1 && CPU_SB1_PASS_2
2089 default y
2090
2235a54d 2091
1da177e4 2092config 64BIT_PHYS_ADDR
d806cb2b 2093 bool
1da177e4 2094
60ec6571 2095config ARCH_PHYS_ADDR_T_64BIT
2096 def_bool 64BIT_PHYS_ADDR
2097
9693a853
FBH
2098config CPU_HAS_SMARTMIPS
2099 depends on SYS_SUPPORTS_SMARTMIPS
2100 bool "Support for the SmartMIPS ASE"
2101 help
2102 SmartMIPS is a extension of the MIPS32 architecture aimed at
2103 increased security at both hardware and software level for
2104 smartcards. Enabling this option will allow proper use of the
2105 SmartMIPS instructions by Linux applications. However a kernel with
2106 this option will not work on a MIPS core without SmartMIPS core. If
2107 you don't know you probably don't have SmartMIPS and should say N
2108 here.
2109
bce86083
SH
2110config CPU_MICROMIPS
2111 depends on SYS_SUPPORTS_MICROMIPS
2112 bool "Build kernel using microMIPS ISA"
2113 help
2114 When this option is enabled the kernel will be built using the
2115 microMIPS ISA
2116
a5e9a69e
PB
2117config CPU_HAS_MSA
2118 bool "Support for the MIPS SIMD Architecture"
2119 depends on CPU_SUPPORTS_MSA
2a6cb669 2120 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2121 default y
2122 help
2123 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2124 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2125 is enabled the kernel will support allocating & switching MSA
2126 vector register contexts. If you know that your kernel will only be
2127 running on CPUs which do not support MSA or that your userland will
2128 not be making use of it then you may wish to say N here to reduce
2129 the size & complexity of your kernel.
a5e9a69e
PB
2130
2131 If unsure, say Y.
2132
1da177e4 2133config CPU_HAS_WB
f7062ddb 2134 bool
e01402b1 2135
df0ac8a4
KC
2136config XKS01
2137 bool
2138
f41ae0b2
RB
2139#
2140# Vectored interrupt mode is an R2 feature
2141#
e01402b1 2142config CPU_MIPSR2_IRQ_VI
f41ae0b2 2143 bool
e01402b1 2144
f41ae0b2
RB
2145#
2146# Extended interrupt mode is an R2 feature
2147#
e01402b1 2148config CPU_MIPSR2_IRQ_EI
f41ae0b2 2149 bool
e01402b1 2150
1da177e4
LT
2151config CPU_HAS_SYNC
2152 bool
2153 depends on !CPU_R3000
2154 default y
2155
20d60d99
MR
2156#
2157# CPU non-features
2158#
2159config CPU_DADDI_WORKAROUNDS
2160 bool
2161
2162config CPU_R4000_WORKAROUNDS
2163 bool
2164 select CPU_R4400_WORKAROUNDS
2165
2166config CPU_R4400_WORKAROUNDS
2167 bool
2168
1da177e4
LT
2169#
2170# - Highmem only makes sense for the 32-bit kernel.
2171# - The current highmem code will only work properly on physically indexed
2172# caches such as R3000, SB1, R7000 or those that look like they're virtually
2173# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2174# moment we protect the user and offer the highmem option only on machines
2175# where it's known to be safe. This will not offer highmem on a few systems
2176# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2177# indexed CPUs but we're playing safe.
797798c1
RB
2178# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2179# know they might have memory configurations that could make use of highmem
2180# support.
1da177e4
LT
2181#
2182config HIGHMEM
2183 bool "High Memory Support"
a6e18781 2184 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2185
2186config CPU_SUPPORTS_HIGHMEM
2187 bool
2188
2189config SYS_SUPPORTS_HIGHMEM
2190 bool
1da177e4 2191
9693a853
FBH
2192config SYS_SUPPORTS_SMARTMIPS
2193 bool
2194
a6a4834c
SH
2195config SYS_SUPPORTS_MICROMIPS
2196 bool
2197
377cb1b6
RB
2198config SYS_SUPPORTS_MIPS16
2199 bool
2200 help
2201 This option must be set if a kernel might be executed on a MIPS16-
2202 enabled CPU even if MIPS16 is not actually being used. In other
2203 words, it makes the kernel MIPS16-tolerant.
2204
a5e9a69e
PB
2205config CPU_SUPPORTS_MSA
2206 bool
2207
b4819b59
YY
2208config ARCH_FLATMEM_ENABLE
2209 def_bool y
f133f22d 2210 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2211
d8cb4e11
RB
2212config ARCH_DISCONTIGMEM_ENABLE
2213 bool
2214 default y if SGI_IP27
2215 help
3dde6ad8 2216 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2217 for architectures which are either NUMA (Non-Uniform Memory Access)
2218 or have huge holes in the physical address space for other reasons.
2219 See <file:Documentation/vm/numa> for more.
2220
31473747
AN
2221config ARCH_SPARSEMEM_ENABLE
2222 bool
7de58fab 2223 select SPARSEMEM_STATIC
31473747 2224
d8cb4e11
RB
2225config NUMA
2226 bool "NUMA Support"
2227 depends on SYS_SUPPORTS_NUMA
2228 help
2229 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2230 Access). This option improves performance on systems with more
2231 than two nodes; on two node systems it is generally better to
2232 leave it disabled; on single node systems disable this option
2233 disabled.
2234
2235config SYS_SUPPORTS_NUMA
2236 bool
2237
c80d79d7
YG
2238config NODES_SHIFT
2239 int
2240 default "6"
2241 depends on NEED_MULTIPLE_NODES
2242
14f70012
DCZ
2243config HW_PERF_EVENTS
2244 bool "Enable hardware performance counter support for perf events"
b633648c 2245 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DCZ
2246 default y
2247 help
2248 Enable hardware performance counter support for perf events. If
2249 disabled, perf events will use software events only.
2250
b4819b59
YY
2251source "mm/Kconfig"
2252
1da177e4
LT
2253config SMP
2254 bool "Multi-Processing support"
e73ea273
RB
2255 depends on SYS_SUPPORTS_SMP
2256 help
1da177e4 2257 This enables support for systems with more than one CPU. If you have
4a474157
RG
2258 a system with only one CPU, say N. If you have a system with more
2259 than one CPU, say Y.
1da177e4 2260
4a474157 2261 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2262 machines, but will use only one CPU of a multiprocessor machine. If
2263 you say Y here, the kernel will run on many, but not all,
4a474157 2264 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2265 will run faster if you say N here.
2266
2267 People using multiprocessor machines who say Y here should also say
2268 Y to "Enhanced Real Time Clock Support", below.
2269
03502faa
AB
2270 See also the SMP-HOWTO available at
2271 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2272
2273 If you don't know what to do here, say N.
2274
87353d8a
RB
2275config SMP_UP
2276 bool
2277
4a16ff4c
RB
2278config SYS_SUPPORTS_MIPS_CMP
2279 bool
2280
0ee958e1
PB
2281config SYS_SUPPORTS_MIPS_CPS
2282 bool
2283
e73ea273
RB
2284config SYS_SUPPORTS_SMP
2285 bool
2286
130e2fb7
RB
2287config NR_CPUS_DEFAULT_4
2288 bool
2289
2290config NR_CPUS_DEFAULT_8
2291 bool
2292
2293config NR_CPUS_DEFAULT_16
2294 bool
2295
2296config NR_CPUS_DEFAULT_32
2297 bool
2298
2299config NR_CPUS_DEFAULT_64
2300 bool
2301
1da177e4 2302config NR_CPUS
a91796a9
J
2303 int "Maximum number of CPUs (2-256)"
2304 range 2 256
1da177e4 2305 depends on SMP
130e2fb7
RB
2306 default "4" if NR_CPUS_DEFAULT_4
2307 default "8" if NR_CPUS_DEFAULT_8
2308 default "16" if NR_CPUS_DEFAULT_16
2309 default "32" if NR_CPUS_DEFAULT_32
2310 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2311 help
2312 This allows you to specify the maximum number of CPUs which this
2313 kernel will support. The maximum supported value is 32 for 32-bit
2314 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2315 sense is 1 for Qemu (useful only for kernel debugging purposes)
2316 and 2 for all others.
1da177e4
LT
2317
2318 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2319 approximately eight kilobytes to the kernel image. For best
2320 performance should round up your number of processors to the next
2321 power of two.
1da177e4 2322
399aaa25
AC
2323config MIPS_PERF_SHARED_TC_COUNTERS
2324 bool
2325
1723b4a3
AN
2326#
2327# Timer Interrupt Frequency Configuration
2328#
2329
2330choice
2331 prompt "Timer frequency"
2332 default HZ_250
2333 help
2334 Allows the configuration of the timer frequency.
2335
2336 config HZ_48
0f873585 2337 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2338
2339 config HZ_100
2340 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2341
2342 config HZ_128
2343 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2344
2345 config HZ_250
2346 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2347
2348 config HZ_256
2349 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2350
2351 config HZ_1000
2352 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2353
2354 config HZ_1024
2355 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2356
2357endchoice
2358
2359config SYS_SUPPORTS_48HZ
2360 bool
2361
2362config SYS_SUPPORTS_100HZ
2363 bool
2364
2365config SYS_SUPPORTS_128HZ
2366 bool
2367
2368config SYS_SUPPORTS_250HZ
2369 bool
2370
2371config SYS_SUPPORTS_256HZ
2372 bool
2373
2374config SYS_SUPPORTS_1000HZ
2375 bool
2376
2377config SYS_SUPPORTS_1024HZ
2378 bool
2379
2380config SYS_SUPPORTS_ARBIT_HZ
2381 bool
2382 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2383 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2384 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2385 !SYS_SUPPORTS_1024HZ
2386
2387config HZ
2388 int
2389 default 48 if HZ_48
2390 default 100 if HZ_100
2391 default 128 if HZ_128
2392 default 250 if HZ_250
2393 default 256 if HZ_256
2394 default 1000 if HZ_1000
2395 default 1024 if HZ_1024
2396
e80de850 2397source "kernel/Kconfig.preempt"
1da177e4 2398
ea6e942b 2399config KEXEC
7d60717e 2400 bool "Kexec system call"
ea6e942b
AN
2401 help
2402 kexec is a system call that implements the ability to shutdown your
2403 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2404 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2405 you can start any kernel with it, not just Linux.
2406
01dd2fbf 2407 The name comes from the similarity to the exec system call.
ea6e942b
AN
2408
2409 It is an ongoing process to be certain the hardware in a machine
2410 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2411 initially work for you. As of this writing the exact hardware
2412 interface is strongly in flux, so no good recommendation can be
2413 made.
ea6e942b 2414
7aa1c8f4
RB
2415config CRASH_DUMP
2416 bool "Kernel crash dumps"
2417 help
2418 Generate crash dump after being started by kexec.
2419 This should be normally only set in special crash dump kernels
2420 which are loaded in the main kernel with kexec-tools into
2421 a specially reserved region and then later executed after
2422 a crash by kdump/kexec. The crash dump kernel must be compiled
2423 to a memory address not used by the main kernel or firmware using
2424 PHYSICAL_START.
2425
2426config PHYSICAL_START
2427 hex "Physical address where the kernel is loaded"
2428 default "0xffffffff84000000" if 64BIT
2429 default "0x84000000" if 32BIT
2430 depends on CRASH_DUMP
2431 help
2432 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2433 If you plan to use kernel for capturing the crash dump change
2434 this value to start of the reserved region (the "X" value as
2435 specified in the "crashkernel=YM@XM" command line boot parameter
2436 passed to the panic-ed kernel).
2437
ea6e942b
AN
2438config SECCOMP
2439 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2440 depends on PROC_FS
ea6e942b
AN
2441 default y
2442 help
2443 This kernel feature is useful for number crunching applications
2444 that may need to compute untrusted bytecode during their
2445 execution. By using pipes or other transports made available to
2446 the process as file descriptors supporting the read/write
2447 syscalls, it's possible to isolate those applications in
2448 their own address space using seccomp. Once seccomp is
2449 enabled via /proc/<pid>/seccomp, it cannot be disabled
2450 and the task is only allowed to execute a few safe syscalls
2451 defined by each seccomp mode.
2452
2453 If unsure, say Y. Only embedded should say N here.
2454
597ce172 2455config MIPS_O32_FP64_SUPPORT
06e2e882 2456 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
597ce172 2457 depends on 32BIT || MIPS32_O32
597ce172
PB
2458 help
2459 When this is enabled, the kernel will support use of 64-bit floating
2460 point registers with binaries using the O32 ABI along with the
2461 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2462 32-bit MIPS systems this support is at the cost of increasing the
2463 size and complexity of the compiled FPU emulator. Thus if you are
2464 running a MIPS32 system and know that none of your userland binaries
2465 will require 64-bit floating point, you may wish to reduce the size
2466 of your kernel & potentially improve FP emulation performance by
2467 saying N here.
2468
06e2e882
PB
2469 Although binutils currently supports use of this flag the details
2470 concerning its effect upon the O32 ABI in userland are still being
2471 worked on. In order to avoid userland becoming dependant upon current
2472 behaviour before the details have been finalised, this option should
2473 be considered experimental and only enabled by those working upon
2474 said details.
2475
2476 If unsure, say N.
597ce172 2477
f2ffa5ab 2478config USE_OF
0b3e06fd 2479 bool
f2ffa5ab 2480 select OF
e6ce1324 2481 select OF_EARLY_FLATTREE
abd2363f 2482 select IRQ_DOMAIN
f2ffa5ab 2483
5e83d430
RB
2484endmenu
2485
1df0f0ff
AN
2486config LOCKDEP_SUPPORT
2487 bool
2488 default y
2489
2490config STACKTRACE_SUPPORT
2491 bool
2492 default y
2493
b6c3539b
RB
2494source "init/Kconfig"
2495
dc52ddc0
MH
2496source "kernel/Kconfig.freezer"
2497
1da177e4
LT
2498menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2499
5e83d430
RB
2500config HW_HAS_EISA
2501 bool
1da177e4
LT
2502config HW_HAS_PCI
2503 bool
2504
2505config PCI
2506 bool "Support for PCI controller"
2507 depends on HW_HAS_PCI
abb4ae46 2508 select PCI_DOMAINS
0f3b3956 2509 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2510 help
2511 Find out whether you have a PCI motherboard. PCI is the name of a
2512 bus system, i.e. the way the CPU talks to the other stuff inside
2513 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2514 say Y, otherwise N.
2515
0e476d91
HC
2516config HT_PCI
2517 bool "Support for HT-linked PCI"
2518 default y
2519 depends on CPU_LOONGSON3
2520 select PCI
2521 select PCI_DOMAINS
2522 help
2523 Loongson family machines use Hyper-Transport bus for inter-core
2524 connection and device connection. The PCI bus is a subordinate
2525 linked at HT. Choose Y for Loongson-3 based machines.
2526
1da177e4
LT
2527config PCI_DOMAINS
2528 bool
1da177e4
LT
2529
2530source "drivers/pci/Kconfig"
2531
3f787ca4
JG
2532source "drivers/pci/pcie/Kconfig"
2533
1da177e4
LT
2534#
2535# ISA support is now enabled via select. Too many systems still have the one
2536# or other ISA chip on the board that users don't know about so don't expect
2537# users to choose the right thing ...
2538#
2539config ISA
2540 bool
2541
2542config EISA
2543 bool "EISA support"
5e83d430 2544 depends on HW_HAS_EISA
1da177e4 2545 select ISA
aa414dff 2546 select GENERIC_ISA_DMA
1da177e4
LT
2547 ---help---
2548 The Extended Industry Standard Architecture (EISA) bus was
2549 developed as an open alternative to the IBM MicroChannel bus.
2550
2551 The EISA bus provided some of the features of the IBM MicroChannel
2552 bus while maintaining backward compatibility with cards made for
2553 the older ISA bus. The EISA bus saw limited use between 1988 and
2554 1995 when it was made obsolete by the PCI bus.
2555
2556 Say Y here if you are building a kernel for an EISA-based machine.
2557
2558 Otherwise, say N.
2559
2560source "drivers/eisa/Kconfig"
2561
2562config TC
2563 bool "TURBOchannel support"
2564 depends on MACH_DECSTATION
2565 help
50a23e6e
JM
2566 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2567 processors. TURBOchannel programming specifications are available
2568 at:
2569 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2570 and:
2571 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2572 Linux driver support status is documented at:
2573 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2574
1da177e4
LT
2575config MMU
2576 bool
2577 default y
2578
d865bea4
RB
2579config I8253
2580 bool
798778b8 2581 select CLKSRC_I8253
2d02612f 2582 select CLKEVT_I8253
9726b43a 2583 select MIPS_EXTERNAL_TIMER
d865bea4 2584
e05eb3f8
RB
2585config ZONE_DMA
2586 bool
2587
cce335ae
RB
2588config ZONE_DMA32
2589 bool
2590
1da177e4
LT
2591source "drivers/pcmcia/Kconfig"
2592
2593source "drivers/pci/hotplug/Kconfig"
2594
388b78ad 2595config RAPIDIO
56abde72 2596 tristate "RapidIO support"
388b78ad
AB
2597 depends on PCI
2598 default n
2599 help
2600 If you say Y here, the kernel will include drivers and
2601 infrastructure code to support RapidIO interconnect devices.
2602
2603source "drivers/rapidio/Kconfig"
2604
1da177e4
LT
2605endmenu
2606
2607menu "Executable file formats"
2608
2609source "fs/Kconfig.binfmt"
2610
2611config TRAD_SIGNALS
2612 bool
1da177e4 2613
1da177e4
LT
2614config MIPS32_COMPAT
2615 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2616 depends on 64BIT
1da177e4
LT
2617 help
2618 Select this option if you want Linux/MIPS 32-bit binary
2619 compatibility. Since all software available for Linux/MIPS is
2620 currently 32-bit you should say Y here.
2621
2622config COMPAT
2623 bool
2624 depends on MIPS32_COMPAT
48b25c43 2625 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2626 default y
2627
05e43966
AN
2628config SYSVIPC_COMPAT
2629 bool
2630 depends on COMPAT && SYSVIPC
2631 default y
2632
1da177e4
LT
2633config MIPS32_O32
2634 bool "Kernel support for o32 binaries"
2635 depends on MIPS32_COMPAT
2636 help
2637 Select this option if you want to run o32 binaries. These are pure
2638 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2639 existing binaries are in this format.
2640
2641 If unsure, say Y.
2642
2643config MIPS32_N32
2644 bool "Kernel support for n32 binaries"
2645 depends on MIPS32_COMPAT
2646 help
2647 Select this option if you want to run n32 binaries. These are
2648 64-bit binaries using 32-bit quantities for addressing and certain
2649 data that would normally be 64-bit. They are used in special
2650 cases.
2651
2652 If unsure, say N.
2653
2654config BINFMT_ELF32
2655 bool
2656 default y if MIPS32_O32 || MIPS32_N32
2657
2116245e
RB
2658endmenu
2659
2660menu "Power management options"
2661
363c55ca
WZ
2662config ARCH_HIBERNATION_POSSIBLE
2663 def_bool y
3f5b3e17 2664 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2665
f4cb5700
JB
2666config ARCH_SUSPEND_POSSIBLE
2667 def_bool y
3f5b3e17 2668 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2669
2116245e 2670source "kernel/power/Kconfig"
952fa954 2671
1da177e4
LT
2672endmenu
2673
7a998935
VK
2674config MIPS_EXTERNAL_TIMER
2675 bool
2676
7a998935 2677menu "CPU Power Management"
c095ebaf
PB
2678
2679if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 2680source "drivers/cpufreq/Kconfig"
7a998935 2681endif
9726b43a 2682
c095ebaf
PB
2683source "drivers/cpuidle/Kconfig"
2684
2685endmenu
2686
d5950b43
SR
2687source "net/Kconfig"
2688
1da177e4
LT
2689source "drivers/Kconfig"
2690
98cdee0e
RB
2691source "drivers/firmware/Kconfig"
2692
1da177e4
LT
2693source "fs/Kconfig"
2694
2695source "arch/mips/Kconfig.debug"
2696
2697source "security/Kconfig"
2698
2699source "crypto/Kconfig"
2700
2701source "lib/Kconfig"
2235a54d
SL
2702
2703source "arch/mips/kvm/Kconfig"