]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blame - arch/mips/Kconfig
MIPS: SEAD3: Enable DEVTMPFS
[mirror_ubuntu-eoan-kernel.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
DZ
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
538f1952
WZ
18 select HAVE_DYNAMIC_FTRACE
19 select HAVE_FTRACE_MCOUNT_RECORD
64575f91 20 select HAVE_C_RECORDMCOUNT
29c5d346 21 select HAVE_FUNCTION_GRAPH_TRACER
c1bf207d
DD
22 select HAVE_KPROBES
23 select HAVE_KRETPROBES
b69ec42b 24 select HAVE_DEBUG_KMEMLEAK
1d7bf993 25 select HAVE_SYSCALL_TRACEPOINTS
e26d196c 26 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
383c97b4 27 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
21a41faa 28 select RTC_LIB if !MACH_LOONGSON
2b78920d 29 select GENERIC_ATOMIC64 if !64BIT
7463449b 30 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
48e1fd5a
DD
31 select HAVE_DMA_ATTRS
32 select HAVE_DMA_API_DEBUG
3bd27e32 33 select GENERIC_IRQ_PROBE
f8396c17 34 select GENERIC_IRQ_SHOW
78857614 35 select GENERIC_PCI_IOMAP
94bb0c1a 36 select HAVE_ARCH_JUMP_LABEL
c1d7e01d 37 select ARCH_WANT_IPC_PARSE_VERSION
0f462e3c 38 select IRQ_FORCED_THREADING
9d15ffc8
TH
39 select HAVE_MEMBLOCK
40 select HAVE_MEMBLOCK_NODE_MAP
41 select ARCH_DISCARD_MEMBLOCK
360014a3 42 select GENERIC_SMP_IDLE_THREAD
4b054495 43 select BUILDTIME_EXTABLE_SORT
cde1794b
AMG
44 select GENERIC_CLOCKEVENTS
45 select GENERIC_CMOS_UPDATE
786d35d4 46 select HAVE_MOD_ARCH_SPECIFIC
4febd95a 47 select VIRT_TO_BUS
2f12fb20
JK
48 select MODULES_USE_ELF_REL if MODULES
49 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50150d2b 50 select CLONE_BACKWARDS
d1a1dc0b 51 select HAVE_DEBUG_STACKOVERFLOW
19952a92 52 select HAVE_CC_STACKPROTECTOR
b1d4c6ca 53 select CPU_PM if CPU_IDLE
cc7964af 54 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
1da177e4 55
1da177e4
LT
56menu "Machine selection"
57
5e83d430
RB
58choice
59 prompt "System type"
60 default SGI_IP22
1da177e4 61
42a4f17d 62config MIPS_ALCHEMY
c3543e25 63 bool "Alchemy processor based machines"
42a4f17d 64 select 64BIT_PHYS_ADDR
f772cdb2 65 select CEVT_R4K
d7ea335c 66 select CSRC_R4K
42a4f17d 67 select IRQ_CPU
88e9a93c 68 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
42a4f17d
ML
69 select SYS_HAS_CPU_MIPS32_R1
70 select SYS_SUPPORTS_32BIT_KERNEL
71 select SYS_SUPPORTS_APM_EMULATION
efb12436 72 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 73 select SYS_SUPPORTS_ZBOOT
47440229 74 select COMMON_CLK
1da177e4 75
7ca5dc14
FF
76config AR7
77 bool "Texas Instruments AR7"
78 select BOOT_ELF32
79 select DMA_NONCOHERENT
80 select CEVT_R4K
81 select CSRC_R4K
82 select IRQ_CPU
83 select NO_EXCEPT_FILL
84 select SWAP_IO_SPACE
85 select SYS_HAS_CPU_MIPS32_R1
86 select SYS_HAS_EARLY_PRINTK
87 select SYS_SUPPORTS_32BIT_KERNEL
88 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 89 select SYS_SUPPORTS_MIPS16
1b93b3c3 90 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 91 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 92 select VLYNQ
8551fb64 93 select HAVE_CLK
7ca5dc14
FF
94 help
95 Support for the Texas Instruments AR7 System-on-a-Chip
96 family: TNETD7100, 7200 and 7300.
97
d4a67d9d
GJ
98config ATH79
99 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 100 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
101 select BOOT_RAW
102 select CEVT_R4K
103 select CSRC_R4K
104 select DMA_NONCOHERENT
94638067 105 select HAVE_CLK
2c4f1ac5 106 select CLKDEV_LOOKUP
d4a67d9d 107 select IRQ_CPU
0aabf1a4 108 select MIPS_MACHINE
d4a67d9d
GJ
109 select SYS_HAS_CPU_MIPS32_R2
110 select SYS_HAS_EARLY_PRINTK
111 select SYS_SUPPORTS_32BIT_KERNEL
112 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 113 select SYS_SUPPORTS_MIPS16
d4a67d9d
GJ
114 help
115 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
116
1c0c13eb 117config BCM47XX
c619366e 118 bool "Broadcom BCM47XX based boards"
2da4c74d 119 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 120 select BOOT_RAW
42f77542 121 select CEVT_R4K
940f6b48 122 select CSRC_R4K
1c0c13eb
AJ
123 select DMA_NONCOHERENT
124 select HW_HAS_PCI
125 select IRQ_CPU
314878d2 126 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 127 select NO_EXCEPT_FILL
1c0c13eb
AJ
128 select SYS_SUPPORTS_32BIT_KERNEL
129 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 130 select SYS_SUPPORTS_MIPS16
25e5fb97 131 select SYS_HAS_EARLY_PRINTK
e6086557 132 select USE_GENERIC_EARLY_PRINTK_8250
c949c0bc
RM
133 select GPIOLIB
134 select LEDS_GPIO_REGISTER
1c0c13eb
AJ
135 help
136 Support for BCM47XX based boards
137
e7300d04
MB
138config BCM63XX
139 bool "Broadcom BCM63XX based boards"
ae8de61c 140 select BOOT_RAW
e7300d04
MB
141 select CEVT_R4K
142 select CSRC_R4K
fc264022 143 select SYNC_R4K
e7300d04
MB
144 select DMA_NONCOHERENT
145 select IRQ_CPU
e7300d04
MB
146 select SYS_SUPPORTS_32BIT_KERNEL
147 select SYS_SUPPORTS_BIG_ENDIAN
148 select SYS_HAS_EARLY_PRINTK
149 select SWAP_IO_SPACE
150 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 151 select HAVE_CLK
af2418be 152 select MIPS_L1_CACHE_SHIFT_4
e7300d04
MB
153 help
154 Support for BCM63XX based boards
155
1da177e4 156config MIPS_COBALT
3fa986fa 157 bool "Cobalt Server"
42f77542 158 select CEVT_R4K
940f6b48 159 select CSRC_R4K
1097c6ac 160 select CEVT_GT641XX
1da177e4
LT
161 select DMA_NONCOHERENT
162 select HW_HAS_PCI
d865bea4 163 select I8253
1da177e4
LT
164 select I8259
165 select IRQ_CPU
d5ab1a69 166 select IRQ_GT641XX
252161ec 167 select PCI_GT64XXX_PCI0
e25bfc92 168 select PCI
7cf8053b 169 select SYS_HAS_CPU_NEVADA
0a22e0d4 170 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 171 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 172 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 173 select SYS_SUPPORTS_LITTLE_ENDIAN
e6086557 174 select USE_GENERIC_EARLY_PRINTK_8250
1da177e4
LT
175
176config MACH_DECSTATION
3fa986fa 177 bool "DECstations"
1da177e4 178 select BOOT_ELF32
6457d9fc 179 select CEVT_DS1287
81d10bad 180 select CEVT_R4K if CPU_R4X00
4247417d 181 select CSRC_IOASIC
81d10bad 182 select CSRC_R4K if CPU_R4X00
20d60d99
MR
183 select CPU_DADDI_WORKAROUNDS if 64BIT
184 select CPU_R4000_WORKAROUNDS if 64BIT
185 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 186 select DMA_NONCOHERENT
ce816fa8 187 select NO_IOPORT_MAP
1da177e4 188 select IRQ_CPU
7cf8053b
RB
189 select SYS_HAS_CPU_R3000
190 select SYS_HAS_CPU_R4X00
ed5ba2fb 191 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 192 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 193 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
194 select SYS_SUPPORTS_128HZ
195 select SYS_SUPPORTS_256HZ
196 select SYS_SUPPORTS_1024HZ
930beb5a 197 select MIPS_L1_CACHE_SHIFT_4
5e83d430 198 help
1da177e4
LT
199 This enables support for DEC's MIPS based workstations. For details
200 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
201 DECstation porting pages on <http://decstation.unix-ag.org/>.
202
203 If you have one of the following DECstation Models you definitely
204 want to choose R4xx0 for the CPU Type:
205
9308816c
RB
206 DECstation 5000/50
207 DECstation 5000/150
208 DECstation 5000/260
209 DECsystem 5900/260
1da177e4
LT
210
211 otherwise choose R3000.
212
5e83d430 213config MACH_JAZZ
3fa986fa 214 bool "Jazz family of machines"
0e2794b0
RB
215 select FW_ARC
216 select FW_ARC32
5e83d430 217 select ARCH_MAY_HAVE_PC_FDC
42f77542 218 select CEVT_R4K
940f6b48 219 select CSRC_R4K
e2defae5 220 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 221 select GENERIC_ISA_DMA
8a118c38 222 select HAVE_PCSPKR_PLATFORM
ea202c63 223 select IRQ_CPU
d865bea4 224 select I8253
5e83d430
RB
225 select I8259
226 select ISA
7cf8053b 227 select SYS_HAS_CPU_R4X00
5e83d430 228 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 229 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 230 select SYS_SUPPORTS_100HZ
1da177e4 231 help
5e83d430
RB
232 This a family of machines based on the MIPS R4030 chipset which was
233 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 234 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
235 Olivetti M700-10 workstations.
236
5ebabe59
LPC
237config MACH_JZ4740
238 bool "Ingenic JZ4740 based machines"
239 select SYS_HAS_CPU_MIPS32_R1
240 select SYS_SUPPORTS_32BIT_KERNEL
241 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 242 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
243 select DMA_NONCOHERENT
244 select IRQ_CPU
5ebabe59
LPC
245 select ARCH_REQUIRE_GPIOLIB
246 select SYS_HAS_EARLY_PRINTK
ab5330eb 247 select HAVE_CLK
83bc7692 248 select GENERIC_IRQ_CHIP
5ebabe59 249
171bb2f1
JC
250config LANTIQ
251 bool "Lantiq based platforms"
252 select DMA_NONCOHERENT
253 select IRQ_CPU
254 select CEVT_R4K
255 select CSRC_R4K
256 select SYS_HAS_CPU_MIPS32_R1
257 select SYS_HAS_CPU_MIPS32_R2
258 select SYS_SUPPORTS_BIG_ENDIAN
259 select SYS_SUPPORTS_32BIT_KERNEL
377cb1b6 260 select SYS_SUPPORTS_MIPS16
171bb2f1
JC
261 select SYS_SUPPORTS_MULTITHREADING
262 select SYS_HAS_EARLY_PRINTK
263 select ARCH_REQUIRE_GPIOLIB
264 select SWAP_IO_SPACE
265 select BOOT_RAW
287e3f3f
JC
266 select HAVE_MACH_CLKDEV
267 select CLKDEV_LOOKUP
a0392222 268 select USE_OF
3f8c50c9
JC
269 select PINCTRL
270 select PINCTRL_LANTIQ
171bb2f1 271
1f21d2bd
BM
272config LASAT
273 bool "LASAT Networks platforms"
42f77542 274 select CEVT_R4K
16f0bbbc 275 select CRC32
940f6b48 276 select CSRC_R4K
1f21d2bd
BM
277 select DMA_NONCOHERENT
278 select SYS_HAS_EARLY_PRINTK
279 select HW_HAS_PCI
a5ccfe5c 280 select IRQ_CPU
1f21d2bd
BM
281 select PCI_GT64XXX_PCI0
282 select MIPS_NILE4
283 select R5000_CPU_SCACHE
284 select SYS_HAS_CPU_R5000
285 select SYS_SUPPORTS_32BIT_KERNEL
286 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
287 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 288
85749d24
WZ
289config MACH_LOONGSON
290 bool "Loongson family of machines"
c7e8c668 291 select SYS_SUPPORTS_ZBOOT
ade299d8 292 help
85749d24
WZ
293 This enables the support of Loongson family of machines.
294
295 Loongson is a family of general-purpose MIPS-compatible CPUs.
296 developed at Institute of Computing Technology (ICT),
297 Chinese Academy of Sciences (CAS) in the People's Republic
298 of China. The chief architect is Professor Weiwu Hu.
ade299d8 299
ca585cf9
KC
300config MACH_LOONGSON1
301 bool "Loongson 1 family of machines"
302 select SYS_SUPPORTS_ZBOOT
303 help
304 This enables support for the Loongson 1 based machines.
305
306 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
307 the ICT (Institute of Computing Technology) and the Chinese Academy
308 of Sciences.
309
1da177e4 310config MIPS_MALTA
3fa986fa 311 bool "MIPS Malta board"
61ed242d 312 select ARCH_MAY_HAVE_PC_FDC
1da177e4 313 select BOOT_ELF32
fa71c960 314 select BOOT_RAW
42f77542 315 select CEVT_R4K
940f6b48 316 select CSRC_R4K
778eeb1b 317 select CSRC_GIC
885014bc 318 select DMA_MAYBE_COHERENT
1da177e4 319 select GENERIC_ISA_DMA
8a118c38 320 select HAVE_PCSPKR_PLATFORM
aa414dff 321 select IRQ_CPU
39b8d525 322 select IRQ_GIC
1da177e4 323 select HW_HAS_PCI
d865bea4 324 select I8253
1da177e4 325 select I8259
5e83d430 326 select MIPS_BONITO64
9318c51a 327 select MIPS_CPU_SCACHE
252161ec 328 select PCI_GT64XXX_PCI0
5e83d430 329 select MIPS_MSC
1da177e4 330 select SWAP_IO_SPACE
7cf8053b
RB
331 select SYS_HAS_CPU_MIPS32_R1
332 select SYS_HAS_CPU_MIPS32_R2
bfc3c5a6 333 select SYS_HAS_CPU_MIPS32_R3_5
7cf8053b 334 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 335 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
336 select SYS_HAS_CPU_NEVADA
337 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
338 select SYS_SUPPORTS_32BIT_KERNEL
339 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
340 select SYS_SUPPORTS_BIG_ENDIAN
341 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 342 select SYS_SUPPORTS_MIPS_CMP
e56b6aa6 343 select SYS_SUPPORTS_MIPS_CPS
377cb1b6 344 select SYS_SUPPORTS_MIPS16
f41ae0b2 345 select SYS_SUPPORTS_MULTITHREADING
9693a853 346 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 347 select SYS_SUPPORTS_ZBOOT
1da177e4 348 help
f638d197 349 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
350 board.
351
ec47b274
SH
352config MIPS_SEAD3
353 bool "MIPS SEAD3 board"
354 select BOOT_ELF32
355 select BOOT_RAW
356 select CEVT_R4K
357 select CSRC_R4K
dfa762e1 358 select CSRC_GIC
ec47b274
SH
359 select CPU_MIPSR2_IRQ_VI
360 select CPU_MIPSR2_IRQ_EI
361 select DMA_NONCOHERENT
362 select IRQ_CPU
363 select IRQ_GIC
44327236 364 select LIBFDT
ec47b274
SH
365 select MIPS_MSC
366 select SYS_HAS_CPU_MIPS32_R1
367 select SYS_HAS_CPU_MIPS32_R2
368 select SYS_HAS_CPU_MIPS64_R1
369 select SYS_HAS_EARLY_PRINTK
370 select SYS_SUPPORTS_32BIT_KERNEL
371 select SYS_SUPPORTS_64BIT_KERNEL
372 select SYS_SUPPORTS_BIG_ENDIAN
373 select SYS_SUPPORTS_LITTLE_ENDIAN
374 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 375 select SYS_SUPPORTS_MICROMIPS
377cb1b6 376 select SYS_SUPPORTS_MIPS16
ec47b274
SH
377 select USB_EHCI_BIG_ENDIAN_DESC
378 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 379 select USE_OF
ec47b274
SH
380 help
381 This enables support for the MIPS Technologies SEAD3 evaluation
382 board.
383
a83860c2
RB
384config NEC_MARKEINS
385 bool "NEC EMMA2RH Mark-eins board"
386 select SOC_EMMA2RH
387 select HW_HAS_PCI
388 help
389 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 390
5e83d430 391config MACH_VR41XX
74142d65 392 bool "NEC VR4100 series based machines"
42f77542 393 select CEVT_R4K
940f6b48 394 select CSRC_R4K
7cf8053b 395 select SYS_HAS_CPU_VR41XX
377cb1b6 396 select SYS_SUPPORTS_MIPS16
27fdd325 397 select ARCH_REQUIRE_GPIOLIB
5e83d430 398
edb6310a
DL
399config NXP_STB220
400 bool "NXP STB220 board"
401 select SOC_PNX833X
402 help
403 Support for NXP Semiconductors STB220 Development Board.
404
405config NXP_STB225
406 bool "NXP 225 board"
407 select SOC_PNX833X
408 select SOC_PNX8335
409 help
410 Support for NXP Semiconductors STB225 Development Board.
411
9267a30d
MSJ
412config PMC_MSP
413 bool "PMC-Sierra MSP chipsets"
39d30c13
A
414 select CEVT_R4K
415 select CSRC_R4K
9267a30d
MSJ
416 select DMA_NONCOHERENT
417 select SWAP_IO_SPACE
418 select NO_EXCEPT_FILL
419 select BOOT_RAW
420 select SYS_HAS_CPU_MIPS32_R1
421 select SYS_HAS_CPU_MIPS32_R2
422 select SYS_SUPPORTS_32BIT_KERNEL
423 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 424 select SYS_SUPPORTS_MIPS16
9267a30d
MSJ
425 select IRQ_CPU
426 select SERIAL_8250
427 select SERIAL_8250_CONSOLE
9296d94d
FF
428 select USB_EHCI_BIG_ENDIAN_MMIO
429 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
430 help
431 This adds support for the PMC-Sierra family of Multi-Service
432 Processor System-On-A-Chips. These parts include a number
433 of integrated peripherals, interfaces and DSPs in addition to
434 a variety of MIPS cores.
435
ae2b5bb6
JC
436config RALINK
437 bool "Ralink based machines"
438 select CEVT_R4K
439 select CSRC_R4K
440 select BOOT_RAW
441 select DMA_NONCOHERENT
442 select IRQ_CPU
443 select USE_OF
444 select SYS_HAS_CPU_MIPS32_R1
445 select SYS_HAS_CPU_MIPS32_R2
446 select SYS_SUPPORTS_32BIT_KERNEL
447 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 448 select SYS_SUPPORTS_MIPS16
ae2b5bb6
JC
449 select SYS_HAS_EARLY_PRINTK
450 select HAVE_MACH_CLKDEV
451 select CLKDEV_LOOKUP
2a153f1c
JC
452 select ARCH_HAS_RESET_CONTROLLER
453 select RESET_CONTROLLER
ae2b5bb6 454
1da177e4 455config SGI_IP22
3fa986fa 456 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
457 select FW_ARC
458 select FW_ARC32
1da177e4 459 select BOOT_ELF32
42f77542 460 select CEVT_R4K
940f6b48 461 select CSRC_R4K
e2defae5 462 select DEFAULT_SGI_PARTITION
1da177e4 463 select DMA_NONCOHERENT
5e83d430 464 select HW_HAS_EISA
d865bea4 465 select I8253
68de4803 466 select I8259
1da177e4
LT
467 select IP22_CPU_SCACHE
468 select IRQ_CPU
aa414dff 469 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
470 select SGI_HAS_I8042
471 select SGI_HAS_INDYDOG
36e5c21d 472 select SGI_HAS_HAL2
e2defae5
TB
473 select SGI_HAS_SEEQ
474 select SGI_HAS_WD93
475 select SGI_HAS_ZILOG
1da177e4 476 select SWAP_IO_SPACE
7cf8053b
RB
477 select SYS_HAS_CPU_R4X00
478 select SYS_HAS_CPU_R5000
2b5e63f6
MM
479 #
480 # Disable EARLY_PRINTK for now since it leads to overwritten prom
481 # memory during early boot on some machines.
482 #
483 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
484 # for a more details discussion
485 #
486 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
487 select SYS_SUPPORTS_32BIT_KERNEL
488 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 489 select SYS_SUPPORTS_BIG_ENDIAN
930beb5a 490 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
491 help
492 This are the SGI Indy, Challenge S and Indigo2, as well as certain
493 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
494 that runs on these, say Y here.
495
496config SGI_IP27
3fa986fa 497 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
498 select FW_ARC
499 select FW_ARC64
5e83d430 500 select BOOT_ELF64
e2defae5 501 select DEFAULT_SGI_PARTITION
634286f1 502 select DMA_COHERENT
36a88530 503 select SYS_HAS_EARLY_PRINTK
1da177e4 504 select HW_HAS_PCI
130e2fb7 505 select NR_CPUS_DEFAULT_64
7cf8053b 506 select SYS_HAS_CPU_R10000
ed5ba2fb 507 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 508 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 509 select SYS_SUPPORTS_NUMA
1a5c5de1 510 select SYS_SUPPORTS_SMP
930beb5a 511 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
512 help
513 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
514 workstations. To compile a Linux kernel that runs on these, say Y
515 here.
516
e2defae5 517config SGI_IP28
7d60717e 518 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
519 select FW_ARC
520 select FW_ARC64
e2defae5
TB
521 select BOOT_ELF64
522 select CEVT_R4K
523 select CSRC_R4K
524 select DEFAULT_SGI_PARTITION
525 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA_SUPPORT_BROKEN
527 select IRQ_CPU
528 select HW_HAS_EISA
529 select I8253
530 select I8259
e2defae5
TB
531 select SGI_HAS_I8042
532 select SGI_HAS_INDYDOG
5b438c44 533 select SGI_HAS_HAL2
e2defae5
TB
534 select SGI_HAS_SEEQ
535 select SGI_HAS_WD93
536 select SGI_HAS_ZILOG
537 select SWAP_IO_SPACE
538 select SYS_HAS_CPU_R10000
2b5e63f6
MM
539 #
540 # Disable EARLY_PRINTK for now since it leads to overwritten prom
541 # memory during early boot on some machines.
542 #
543 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
544 # for a more details discussion
545 #
546 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
547 select SYS_SUPPORTS_64BIT_KERNEL
548 select SYS_SUPPORTS_BIG_ENDIAN
dc24d68d 549 select MIPS_L1_CACHE_SHIFT_7
e2defae5
TB
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
DZ
1994config MIPS_VPE_LOADER_CMP
1995 bool
1996 default "y"
1997 depends on MIPS_VPE_LOADER && MIPS_CMP
1998
1a2a6d7e
DZ
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
DZ
2019config MIPS_VPE_APSP_API_CMP
2020 bool
2021 default "y"
2022 depends on MIPS_VPE_APSP_API && MIPS_CMP
2023
2c973ef0
DZ
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
b10b43ba 2033 select SMP
eb9b5141 2034 select SYNC_R4K
b10b43ba 2035 select SYS_SUPPORTS_SMP
4a16ff4c
RB
2036 select WEAK_ORDERING
2037 default n
2038 help
044505c7
PB
2039 Select this if you are using a bootloader which implements the "CMP
2040 framework" protocol (ie. YAMON) and want your kernel to make use of
2041 its ability to start secondary CPUs.
4a16ff4c 2042
5cac93b3
PB
2043 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2044 instead of this.
2045
0ee958e1
PB
2046config MIPS_CPS
2047 bool "MIPS Coherent Processing System support"
2048 depends on SYS_SUPPORTS_MIPS_CPS
2049 select MIPS_CM
2050 select MIPS_CPC
1d8f1f5a 2051 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2052 select MIPS_GIC_IPI
2053 select SMP
2054 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2055 select SYS_SUPPORTS_HOTPLUG_CPU
0ee958e1
PB
2056 select SYS_SUPPORTS_SMP
2057 select WEAK_ORDERING
2058 help
2059 Select this if you wish to run an SMP kernel across multiple cores
2060 within a MIPS Coherent Processing System. When this option is
2061 enabled the kernel will probe for other cores and boot them with
2062 no external assistance. It is safe to enable this when hardware
2063 support is unavailable.
2064
3179d37e 2065config MIPS_CPS_PM
a8b84677 2066 select MIPS_CPC
3179d37e
PB
2067 bool
2068
72e20142
PB
2069config MIPS_GIC_IPI
2070 bool
2071
9f98f3dd
PB
2072config MIPS_CM
2073 bool
2074
9c38cf44
PB
2075config MIPS_CPC
2076 bool
4a16ff4c 2077
1da177e4
LT
2078config SB1_PASS_1_WORKAROUNDS
2079 bool
2080 depends on CPU_SB1_PASS_1
2081 default y
2082
2083config SB1_PASS_2_WORKAROUNDS
2084 bool
2085 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2086 default y
2087
2088config SB1_PASS_2_1_WORKAROUNDS
2089 bool
2090 depends on CPU_SB1 && CPU_SB1_PASS_2
2091 default y
2092
2235a54d 2093
1da177e4 2094config 64BIT_PHYS_ADDR
d806cb2b 2095 bool
1da177e4 2096
60ec6571 2097config ARCH_PHYS_ADDR_T_64BIT
2098 def_bool 64BIT_PHYS_ADDR
2099
9693a853
FBH
2100config CPU_HAS_SMARTMIPS
2101 depends on SYS_SUPPORTS_SMARTMIPS
2102 bool "Support for the SmartMIPS ASE"
2103 help
2104 SmartMIPS is a extension of the MIPS32 architecture aimed at
2105 increased security at both hardware and software level for
2106 smartcards. Enabling this option will allow proper use of the
2107 SmartMIPS instructions by Linux applications. However a kernel with
2108 this option will not work on a MIPS core without SmartMIPS core. If
2109 you don't know you probably don't have SmartMIPS and should say N
2110 here.
2111
bce86083
SH
2112config CPU_MICROMIPS
2113 depends on SYS_SUPPORTS_MICROMIPS
2114 bool "Build kernel using microMIPS ISA"
2115 help
2116 When this option is enabled the kernel will be built using the
2117 microMIPS ISA
2118
a5e9a69e 2119config CPU_HAS_MSA
4af94d5d 2120 bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
a5e9a69e 2121 depends on CPU_SUPPORTS_MSA
2a6cb669 2122 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2123 help
2124 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2125 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2126 is enabled the kernel will support allocating & switching MSA
2127 vector register contexts. If you know that your kernel will only be
2128 running on CPUs which do not support MSA or that your userland will
2129 not be making use of it then you may wish to say N here to reduce
2130 the size & complexity of your kernel.
a5e9a69e
PB
2131
2132 If unsure, say Y.
2133
1da177e4 2134config CPU_HAS_WB
f7062ddb 2135 bool
e01402b1 2136
df0ac8a4
KC
2137config XKS01
2138 bool
2139
f41ae0b2
RB
2140#
2141# Vectored interrupt mode is an R2 feature
2142#
e01402b1 2143config CPU_MIPSR2_IRQ_VI
f41ae0b2 2144 bool
e01402b1 2145
f41ae0b2
RB
2146#
2147# Extended interrupt mode is an R2 feature
2148#
e01402b1 2149config CPU_MIPSR2_IRQ_EI
f41ae0b2 2150 bool
e01402b1 2151
1da177e4
LT
2152config CPU_HAS_SYNC
2153 bool
2154 depends on !CPU_R3000
2155 default y
2156
20d60d99
MR
2157#
2158# CPU non-features
2159#
2160config CPU_DADDI_WORKAROUNDS
2161 bool
2162
2163config CPU_R4000_WORKAROUNDS
2164 bool
2165 select CPU_R4400_WORKAROUNDS
2166
2167config CPU_R4400_WORKAROUNDS
2168 bool
2169
1da177e4
LT
2170#
2171# - Highmem only makes sense for the 32-bit kernel.
2172# - The current highmem code will only work properly on physically indexed
2173# caches such as R3000, SB1, R7000 or those that look like they're virtually
2174# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2175# moment we protect the user and offer the highmem option only on machines
2176# where it's known to be safe. This will not offer highmem on a few systems
2177# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2178# indexed CPUs but we're playing safe.
797798c1
RB
2179# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2180# know they might have memory configurations that could make use of highmem
2181# support.
1da177e4
LT
2182#
2183config HIGHMEM
2184 bool "High Memory Support"
a6e18781 2185 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2186
2187config CPU_SUPPORTS_HIGHMEM
2188 bool
2189
2190config SYS_SUPPORTS_HIGHMEM
2191 bool
1da177e4 2192
9693a853
FBH
2193config SYS_SUPPORTS_SMARTMIPS
2194 bool
2195
a6a4834c
SH
2196config SYS_SUPPORTS_MICROMIPS
2197 bool
2198
377cb1b6
RB
2199config SYS_SUPPORTS_MIPS16
2200 bool
2201 help
2202 This option must be set if a kernel might be executed on a MIPS16-
2203 enabled CPU even if MIPS16 is not actually being used. In other
2204 words, it makes the kernel MIPS16-tolerant.
2205
a5e9a69e
PB
2206config CPU_SUPPORTS_MSA
2207 bool
2208
b4819b59
YY
2209config ARCH_FLATMEM_ENABLE
2210 def_bool y
f133f22d 2211 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2212
d8cb4e11
RB
2213config ARCH_DISCONTIGMEM_ENABLE
2214 bool
2215 default y if SGI_IP27
2216 help
3dde6ad8 2217 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2218 for architectures which are either NUMA (Non-Uniform Memory Access)
2219 or have huge holes in the physical address space for other reasons.
2220 See <file:Documentation/vm/numa> for more.
2221
31473747
AN
2222config ARCH_SPARSEMEM_ENABLE
2223 bool
7de58fab 2224 select SPARSEMEM_STATIC
31473747 2225
d8cb4e11
RB
2226config NUMA
2227 bool "NUMA Support"
2228 depends on SYS_SUPPORTS_NUMA
2229 help
2230 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2231 Access). This option improves performance on systems with more
2232 than two nodes; on two node systems it is generally better to
2233 leave it disabled; on single node systems disable this option
2234 disabled.
2235
2236config SYS_SUPPORTS_NUMA
2237 bool
2238
c80d79d7
YG
2239config NODES_SHIFT
2240 int
2241 default "6"
2242 depends on NEED_MULTIPLE_NODES
2243
14f70012
DZ
2244config HW_PERF_EVENTS
2245 bool "Enable hardware performance counter support for perf events"
b633648c 2246 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DZ
2247 default y
2248 help
2249 Enable hardware performance counter support for perf events. If
2250 disabled, perf events will use software events only.
2251
b4819b59
YY
2252source "mm/Kconfig"
2253
1da177e4
LT
2254config SMP
2255 bool "Multi-Processing support"
e73ea273
RB
2256 depends on SYS_SUPPORTS_SMP
2257 help
1da177e4 2258 This enables support for systems with more than one CPU. If you have
4a474157
RG
2259 a system with only one CPU, say N. If you have a system with more
2260 than one CPU, say Y.
1da177e4 2261
4a474157 2262 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2263 machines, but will use only one CPU of a multiprocessor machine. If
2264 you say Y here, the kernel will run on many, but not all,
4a474157 2265 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2266 will run faster if you say N here.
2267
2268 People using multiprocessor machines who say Y here should also say
2269 Y to "Enhanced Real Time Clock Support", below.
2270
03502faa
AB
2271 See also the SMP-HOWTO available at
2272 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2273
2274 If you don't know what to do here, say N.
2275
87353d8a
RB
2276config SMP_UP
2277 bool
2278
4a16ff4c
RB
2279config SYS_SUPPORTS_MIPS_CMP
2280 bool
2281
0ee958e1
PB
2282config SYS_SUPPORTS_MIPS_CPS
2283 bool
2284
e73ea273
RB
2285config SYS_SUPPORTS_SMP
2286 bool
2287
130e2fb7
RB
2288config NR_CPUS_DEFAULT_4
2289 bool
2290
2291config NR_CPUS_DEFAULT_8
2292 bool
2293
2294config NR_CPUS_DEFAULT_16
2295 bool
2296
2297config NR_CPUS_DEFAULT_32
2298 bool
2299
2300config NR_CPUS_DEFAULT_64
2301 bool
2302
1da177e4 2303config NR_CPUS
a91796a9
J
2304 int "Maximum number of CPUs (2-256)"
2305 range 2 256
1da177e4 2306 depends on SMP
130e2fb7
RB
2307 default "4" if NR_CPUS_DEFAULT_4
2308 default "8" if NR_CPUS_DEFAULT_8
2309 default "16" if NR_CPUS_DEFAULT_16
2310 default "32" if NR_CPUS_DEFAULT_32
2311 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2312 help
2313 This allows you to specify the maximum number of CPUs which this
2314 kernel will support. The maximum supported value is 32 for 32-bit
2315 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2316 sense is 1 for Qemu (useful only for kernel debugging purposes)
2317 and 2 for all others.
1da177e4
LT
2318
2319 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2320 approximately eight kilobytes to the kernel image. For best
2321 performance should round up your number of processors to the next
2322 power of two.
1da177e4 2323
399aaa25
AC
2324config MIPS_PERF_SHARED_TC_COUNTERS
2325 bool
2326
1723b4a3
AN
2327#
2328# Timer Interrupt Frequency Configuration
2329#
2330
2331choice
2332 prompt "Timer frequency"
2333 default HZ_250
2334 help
2335 Allows the configuration of the timer frequency.
2336
2337 config HZ_48
0f873585 2338 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2339
2340 config HZ_100
2341 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2342
2343 config HZ_128
2344 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2345
2346 config HZ_250
2347 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2348
2349 config HZ_256
2350 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2351
2352 config HZ_1000
2353 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2354
2355 config HZ_1024
2356 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2357
2358endchoice
2359
2360config SYS_SUPPORTS_48HZ
2361 bool
2362
2363config SYS_SUPPORTS_100HZ
2364 bool
2365
2366config SYS_SUPPORTS_128HZ
2367 bool
2368
2369config SYS_SUPPORTS_250HZ
2370 bool
2371
2372config SYS_SUPPORTS_256HZ
2373 bool
2374
2375config SYS_SUPPORTS_1000HZ
2376 bool
2377
2378config SYS_SUPPORTS_1024HZ
2379 bool
2380
2381config SYS_SUPPORTS_ARBIT_HZ
2382 bool
2383 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2384 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2385 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2386 !SYS_SUPPORTS_1024HZ
2387
2388config HZ
2389 int
2390 default 48 if HZ_48
2391 default 100 if HZ_100
2392 default 128 if HZ_128
2393 default 250 if HZ_250
2394 default 256 if HZ_256
2395 default 1000 if HZ_1000
2396 default 1024 if HZ_1024
2397
e80de850 2398source "kernel/Kconfig.preempt"
1da177e4 2399
ea6e942b 2400config KEXEC
7d60717e 2401 bool "Kexec system call"
ea6e942b
AN
2402 help
2403 kexec is a system call that implements the ability to shutdown your
2404 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2405 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2406 you can start any kernel with it, not just Linux.
2407
01dd2fbf 2408 The name comes from the similarity to the exec system call.
ea6e942b
AN
2409
2410 It is an ongoing process to be certain the hardware in a machine
2411 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2412 initially work for you. As of this writing the exact hardware
2413 interface is strongly in flux, so no good recommendation can be
2414 made.
ea6e942b 2415
7aa1c8f4
RB
2416config CRASH_DUMP
2417 bool "Kernel crash dumps"
2418 help
2419 Generate crash dump after being started by kexec.
2420 This should be normally only set in special crash dump kernels
2421 which are loaded in the main kernel with kexec-tools into
2422 a specially reserved region and then later executed after
2423 a crash by kdump/kexec. The crash dump kernel must be compiled
2424 to a memory address not used by the main kernel or firmware using
2425 PHYSICAL_START.
2426
2427config PHYSICAL_START
2428 hex "Physical address where the kernel is loaded"
2429 default "0xffffffff84000000" if 64BIT
2430 default "0x84000000" if 32BIT
2431 depends on CRASH_DUMP
2432 help
2433 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2434 If you plan to use kernel for capturing the crash dump change
2435 this value to start of the reserved region (the "X" value as
2436 specified in the "crashkernel=YM@XM" command line boot parameter
2437 passed to the panic-ed kernel).
2438
ea6e942b
AN
2439config SECCOMP
2440 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2441 depends on PROC_FS
ea6e942b
AN
2442 default y
2443 help
2444 This kernel feature is useful for number crunching applications
2445 that may need to compute untrusted bytecode during their
2446 execution. By using pipes or other transports made available to
2447 the process as file descriptors supporting the read/write
2448 syscalls, it's possible to isolate those applications in
2449 their own address space using seccomp. Once seccomp is
2450 enabled via /proc/<pid>/seccomp, it cannot be disabled
2451 and the task is only allowed to execute a few safe syscalls
2452 defined by each seccomp mode.
2453
2454 If unsure, say Y. Only embedded should say N here.
2455
597ce172 2456config MIPS_O32_FP64_SUPPORT
06e2e882 2457 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
597ce172 2458 depends on 32BIT || MIPS32_O32
597ce172
PB
2459 help
2460 When this is enabled, the kernel will support use of 64-bit floating
2461 point registers with binaries using the O32 ABI along with the
2462 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2463 32-bit MIPS systems this support is at the cost of increasing the
2464 size and complexity of the compiled FPU emulator. Thus if you are
2465 running a MIPS32 system and know that none of your userland binaries
2466 will require 64-bit floating point, you may wish to reduce the size
2467 of your kernel & potentially improve FP emulation performance by
2468 saying N here.
2469
06e2e882
PB
2470 Although binutils currently supports use of this flag the details
2471 concerning its effect upon the O32 ABI in userland are still being
2472 worked on. In order to avoid userland becoming dependant upon current
2473 behaviour before the details have been finalised, this option should
2474 be considered experimental and only enabled by those working upon
2475 said details.
2476
2477 If unsure, say N.
597ce172 2478
f2ffa5ab 2479config USE_OF
0b3e06fd 2480 bool
f2ffa5ab 2481 select OF
e6ce1324 2482 select OF_EARLY_FLATTREE
abd2363f 2483 select IRQ_DOMAIN
f2ffa5ab 2484
5e83d430
RB
2485endmenu
2486
1df0f0ff
AN
2487config LOCKDEP_SUPPORT
2488 bool
2489 default y
2490
2491config STACKTRACE_SUPPORT
2492 bool
2493 default y
2494
b6c3539b
RB
2495source "init/Kconfig"
2496
dc52ddc0
MH
2497source "kernel/Kconfig.freezer"
2498
1da177e4
LT
2499menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2500
5e83d430
RB
2501config HW_HAS_EISA
2502 bool
1da177e4
LT
2503config HW_HAS_PCI
2504 bool
2505
2506config PCI
2507 bool "Support for PCI controller"
2508 depends on HW_HAS_PCI
abb4ae46 2509 select PCI_DOMAINS
0f3b3956 2510 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2511 help
2512 Find out whether you have a PCI motherboard. PCI is the name of a
2513 bus system, i.e. the way the CPU talks to the other stuff inside
2514 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2515 say Y, otherwise N.
2516
0e476d91
HC
2517config HT_PCI
2518 bool "Support for HT-linked PCI"
2519 default y
2520 depends on CPU_LOONGSON3
2521 select PCI
2522 select PCI_DOMAINS
2523 help
2524 Loongson family machines use Hyper-Transport bus for inter-core
2525 connection and device connection. The PCI bus is a subordinate
2526 linked at HT. Choose Y for Loongson-3 based machines.
2527
1da177e4
LT
2528config PCI_DOMAINS
2529 bool
1da177e4
LT
2530
2531source "drivers/pci/Kconfig"
2532
3f787ca4
JG
2533source "drivers/pci/pcie/Kconfig"
2534
1da177e4
LT
2535#
2536# ISA support is now enabled via select. Too many systems still have the one
2537# or other ISA chip on the board that users don't know about so don't expect
2538# users to choose the right thing ...
2539#
2540config ISA
2541 bool
2542
2543config EISA
2544 bool "EISA support"
5e83d430 2545 depends on HW_HAS_EISA
1da177e4 2546 select ISA
aa414dff 2547 select GENERIC_ISA_DMA
1da177e4
LT
2548 ---help---
2549 The Extended Industry Standard Architecture (EISA) bus was
2550 developed as an open alternative to the IBM MicroChannel bus.
2551
2552 The EISA bus provided some of the features of the IBM MicroChannel
2553 bus while maintaining backward compatibility with cards made for
2554 the older ISA bus. The EISA bus saw limited use between 1988 and
2555 1995 when it was made obsolete by the PCI bus.
2556
2557 Say Y here if you are building a kernel for an EISA-based machine.
2558
2559 Otherwise, say N.
2560
2561source "drivers/eisa/Kconfig"
2562
2563config TC
2564 bool "TURBOchannel support"
2565 depends on MACH_DECSTATION
2566 help
50a23e6e
JM
2567 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2568 processors. TURBOchannel programming specifications are available
2569 at:
2570 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2571 and:
2572 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2573 Linux driver support status is documented at:
2574 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2575
1da177e4
LT
2576config MMU
2577 bool
2578 default y
2579
d865bea4
RB
2580config I8253
2581 bool
798778b8 2582 select CLKSRC_I8253
2d02612f 2583 select CLKEVT_I8253
9726b43a 2584 select MIPS_EXTERNAL_TIMER
d865bea4 2585
e05eb3f8
RB
2586config ZONE_DMA
2587 bool
2588
cce335ae
RB
2589config ZONE_DMA32
2590 bool
2591
1da177e4
LT
2592source "drivers/pcmcia/Kconfig"
2593
2594source "drivers/pci/hotplug/Kconfig"
2595
388b78ad 2596config RAPIDIO
56abde72 2597 tristate "RapidIO support"
388b78ad
AB
2598 depends on PCI
2599 default n
2600 help
2601 If you say Y here, the kernel will include drivers and
2602 infrastructure code to support RapidIO interconnect devices.
2603
2604source "drivers/rapidio/Kconfig"
2605
1da177e4
LT
2606endmenu
2607
2608menu "Executable file formats"
2609
2610source "fs/Kconfig.binfmt"
2611
2612config TRAD_SIGNALS
2613 bool
1da177e4 2614
1da177e4
LT
2615config MIPS32_COMPAT
2616 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2617 depends on 64BIT
1da177e4
LT
2618 help
2619 Select this option if you want Linux/MIPS 32-bit binary
2620 compatibility. Since all software available for Linux/MIPS is
2621 currently 32-bit you should say Y here.
2622
2623config COMPAT
2624 bool
2625 depends on MIPS32_COMPAT
48b25c43 2626 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2627 default y
2628
05e43966
AN
2629config SYSVIPC_COMPAT
2630 bool
2631 depends on COMPAT && SYSVIPC
2632 default y
2633
1da177e4
LT
2634config MIPS32_O32
2635 bool "Kernel support for o32 binaries"
2636 depends on MIPS32_COMPAT
2637 help
2638 Select this option if you want to run o32 binaries. These are pure
2639 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2640 existing binaries are in this format.
2641
2642 If unsure, say Y.
2643
2644config MIPS32_N32
2645 bool "Kernel support for n32 binaries"
2646 depends on MIPS32_COMPAT
2647 help
2648 Select this option if you want to run n32 binaries. These are
2649 64-bit binaries using 32-bit quantities for addressing and certain
2650 data that would normally be 64-bit. They are used in special
2651 cases.
2652
2653 If unsure, say N.
2654
2655config BINFMT_ELF32
2656 bool
2657 default y if MIPS32_O32 || MIPS32_N32
2658
2116245e
RB
2659endmenu
2660
2661menu "Power management options"
2662
363c55ca
WZ
2663config ARCH_HIBERNATION_POSSIBLE
2664 def_bool y
3f5b3e17 2665 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2666
f4cb5700
JB
2667config ARCH_SUSPEND_POSSIBLE
2668 def_bool y
3f5b3e17 2669 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2670
2116245e 2671source "kernel/power/Kconfig"
952fa954 2672
1da177e4
LT
2673endmenu
2674
7a998935
VK
2675config MIPS_EXTERNAL_TIMER
2676 bool
2677
7a998935 2678menu "CPU Power Management"
c095ebaf
PB
2679
2680if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 2681source "drivers/cpufreq/Kconfig"
7a998935 2682endif
9726b43a 2683
c095ebaf
PB
2684source "drivers/cpuidle/Kconfig"
2685
2686endmenu
2687
d5950b43
SR
2688source "net/Kconfig"
2689
1da177e4
LT
2690source "drivers/Kconfig"
2691
98cdee0e
RB
2692source "drivers/firmware/Kconfig"
2693
1da177e4
LT
2694source "fs/Kconfig"
2695
2696source "arch/mips/Kconfig.debug"
2697
2698source "security/Kconfig"
2699
2700source "crypto/Kconfig"
2701
2702source "lib/Kconfig"
2235a54d
SL
2703
2704source "arch/mips/kvm/Kconfig"