MIPS: FW: Use kstrtoul() to parse unsigned long from the fw environment
[deliverable/linux.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
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 31 select HAVE_DMA_ATTRS
f4649382 32 select HAVE_DMA_CONTIGUOUS
48e1fd5a 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
90cee759 56 select ARCH_BINFMT_ELF_STATE
1da177e4 57
1da177e4
LT
58menu "Machine selection"
59
5e83d430
RB
60choice
61 prompt "System type"
62 default SGI_IP22
1da177e4 63
42a4f17d 64config MIPS_ALCHEMY
c3543e25 65 bool "Alchemy processor based machines"
42a4f17d 66 select 64BIT_PHYS_ADDR
f772cdb2 67 select CEVT_R4K
d7ea335c 68 select CSRC_R4K
42a4f17d 69 select IRQ_CPU
88e9a93c 70 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
42a4f17d
ML
71 select SYS_HAS_CPU_MIPS32_R1
72 select SYS_SUPPORTS_32BIT_KERNEL
73 select SYS_SUPPORTS_APM_EMULATION
efb12436 74 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 75 select SYS_SUPPORTS_ZBOOT
47440229 76 select COMMON_CLK
1da177e4 77
7ca5dc14
FF
78config AR7
79 bool "Texas Instruments AR7"
80 select BOOT_ELF32
81 select DMA_NONCOHERENT
82 select CEVT_R4K
83 select CSRC_R4K
84 select IRQ_CPU
85 select NO_EXCEPT_FILL
86 select SWAP_IO_SPACE
87 select SYS_HAS_CPU_MIPS32_R1
88 select SYS_HAS_EARLY_PRINTK
89 select SYS_SUPPORTS_32BIT_KERNEL
90 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 91 select SYS_SUPPORTS_MIPS16
1b93b3c3 92 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 93 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 94 select VLYNQ
8551fb64 95 select HAVE_CLK
7ca5dc14
FF
96 help
97 Support for the Texas Instruments AR7 System-on-a-Chip
98 family: TNETD7100, 7200 and 7300.
99
d4a67d9d
GJ
100config ATH79
101 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 102 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
103 select BOOT_RAW
104 select CEVT_R4K
105 select CSRC_R4K
106 select DMA_NONCOHERENT
94638067 107 select HAVE_CLK
2c4f1ac5 108 select CLKDEV_LOOKUP
d4a67d9d 109 select IRQ_CPU
0aabf1a4 110 select MIPS_MACHINE
d4a67d9d
GJ
111 select SYS_HAS_CPU_MIPS32_R2
112 select SYS_HAS_EARLY_PRINTK
113 select SYS_SUPPORTS_32BIT_KERNEL
114 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 115 select SYS_SUPPORTS_MIPS16
d4a67d9d
GJ
116 help
117 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
118
d666cd02
KC
119config BCM3384
120 bool "Broadcom BCM3384 based boards"
121 select BOOT_RAW
122 select NO_EXCEPT_FILL
123 select USE_OF
124 select CEVT_R4K
125 select CSRC_R4K
126 select SYNC_R4K
127 select COMMON_CLK
128 select DMA_NONCOHERENT
129 select IRQ_CPU
130 select SYS_SUPPORTS_32BIT_KERNEL
131 select SYS_SUPPORTS_BIG_ENDIAN
132 select SYS_SUPPORTS_HIGHMEM
133 select SYS_HAS_CPU_BMIPS5000
134 select SWAP_IO_SPACE
135 select USB_EHCI_BIG_ENDIAN_DESC
136 select USB_EHCI_BIG_ENDIAN_MMIO
137 select USB_OHCI_BIG_ENDIAN_DESC
138 select USB_OHCI_BIG_ENDIAN_MMIO
139 help
140 Support for BCM3384 based boards. BCM3384/BCM33843 is a cable modem
141 chipset with a Linux application processor that is often used to
142 provide Samba services, a CUPS print server, and/or advanced routing
143 features.
144
1c0c13eb 145config BCM47XX
c619366e 146 bool "Broadcom BCM47XX based boards"
2da4c74d 147 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 148 select BOOT_RAW
42f77542 149 select CEVT_R4K
940f6b48 150 select CSRC_R4K
1c0c13eb
AJ
151 select DMA_NONCOHERENT
152 select HW_HAS_PCI
153 select IRQ_CPU
314878d2 154 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 155 select NO_EXCEPT_FILL
1c0c13eb
AJ
156 select SYS_SUPPORTS_32BIT_KERNEL
157 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 158 select SYS_SUPPORTS_MIPS16
25e5fb97 159 select SYS_HAS_EARLY_PRINTK
e6086557 160 select USE_GENERIC_EARLY_PRINTK_8250
c949c0bc
RM
161 select GPIOLIB
162 select LEDS_GPIO_REGISTER
1c0c13eb
AJ
163 help
164 Support for BCM47XX based boards
165
e7300d04
MB
166config BCM63XX
167 bool "Broadcom BCM63XX based boards"
ae8de61c 168 select BOOT_RAW
e7300d04
MB
169 select CEVT_R4K
170 select CSRC_R4K
fc264022 171 select SYNC_R4K
e7300d04
MB
172 select DMA_NONCOHERENT
173 select IRQ_CPU
e7300d04
MB
174 select SYS_SUPPORTS_32BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_HAS_EARLY_PRINTK
177 select SWAP_IO_SPACE
178 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 179 select HAVE_CLK
af2418be 180 select MIPS_L1_CACHE_SHIFT_4
e7300d04
MB
181 help
182 Support for BCM63XX based boards
183
1da177e4 184config MIPS_COBALT
3fa986fa 185 bool "Cobalt Server"
42f77542 186 select CEVT_R4K
940f6b48 187 select CSRC_R4K
1097c6ac 188 select CEVT_GT641XX
1da177e4
LT
189 select DMA_NONCOHERENT
190 select HW_HAS_PCI
d865bea4 191 select I8253
1da177e4
LT
192 select I8259
193 select IRQ_CPU
d5ab1a69 194 select IRQ_GT641XX
252161ec 195 select PCI_GT64XXX_PCI0
e25bfc92 196 select PCI
7cf8053b 197 select SYS_HAS_CPU_NEVADA
0a22e0d4 198 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 199 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 200 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 201 select SYS_SUPPORTS_LITTLE_ENDIAN
e6086557 202 select USE_GENERIC_EARLY_PRINTK_8250
1da177e4
LT
203
204config MACH_DECSTATION
3fa986fa 205 bool "DECstations"
1da177e4 206 select BOOT_ELF32
6457d9fc 207 select CEVT_DS1287
81d10bad 208 select CEVT_R4K if CPU_R4X00
4247417d 209 select CSRC_IOASIC
81d10bad 210 select CSRC_R4K if CPU_R4X00
20d60d99
MR
211 select CPU_DADDI_WORKAROUNDS if 64BIT
212 select CPU_R4000_WORKAROUNDS if 64BIT
213 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 214 select DMA_NONCOHERENT
ce816fa8 215 select NO_IOPORT_MAP
1da177e4 216 select IRQ_CPU
7cf8053b
RB
217 select SYS_HAS_CPU_R3000
218 select SYS_HAS_CPU_R4X00
ed5ba2fb 219 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 220 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 221 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
222 select SYS_SUPPORTS_128HZ
223 select SYS_SUPPORTS_256HZ
224 select SYS_SUPPORTS_1024HZ
930beb5a 225 select MIPS_L1_CACHE_SHIFT_4
5e83d430 226 help
1da177e4
LT
227 This enables support for DEC's MIPS based workstations. For details
228 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
229 DECstation porting pages on <http://decstation.unix-ag.org/>.
230
231 If you have one of the following DECstation Models you definitely
232 want to choose R4xx0 for the CPU Type:
233
9308816c
RB
234 DECstation 5000/50
235 DECstation 5000/150
236 DECstation 5000/260
237 DECsystem 5900/260
1da177e4
LT
238
239 otherwise choose R3000.
240
5e83d430 241config MACH_JAZZ
3fa986fa 242 bool "Jazz family of machines"
0e2794b0
RB
243 select FW_ARC
244 select FW_ARC32
5e83d430 245 select ARCH_MAY_HAVE_PC_FDC
42f77542 246 select CEVT_R4K
940f6b48 247 select CSRC_R4K
e2defae5 248 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 249 select GENERIC_ISA_DMA
8a118c38 250 select HAVE_PCSPKR_PLATFORM
ea202c63 251 select IRQ_CPU
d865bea4 252 select I8253
5e83d430
RB
253 select I8259
254 select ISA
7cf8053b 255 select SYS_HAS_CPU_R4X00
5e83d430 256 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 257 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 258 select SYS_SUPPORTS_100HZ
1da177e4 259 help
5e83d430
RB
260 This a family of machines based on the MIPS R4030 chipset which was
261 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 262 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
263 Olivetti M700-10 workstations.
264
5ebabe59
LPC
265config MACH_JZ4740
266 bool "Ingenic JZ4740 based machines"
267 select SYS_HAS_CPU_MIPS32_R1
268 select SYS_SUPPORTS_32BIT_KERNEL
269 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 270 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
271 select DMA_NONCOHERENT
272 select IRQ_CPU
5ebabe59
LPC
273 select ARCH_REQUIRE_GPIOLIB
274 select SYS_HAS_EARLY_PRINTK
ab5330eb 275 select HAVE_CLK
83bc7692 276 select GENERIC_IRQ_CHIP
5ebabe59 277
171bb2f1
JC
278config LANTIQ
279 bool "Lantiq based platforms"
280 select DMA_NONCOHERENT
281 select IRQ_CPU
282 select CEVT_R4K
283 select CSRC_R4K
284 select SYS_HAS_CPU_MIPS32_R1
285 select SYS_HAS_CPU_MIPS32_R2
286 select SYS_SUPPORTS_BIG_ENDIAN
287 select SYS_SUPPORTS_32BIT_KERNEL
377cb1b6 288 select SYS_SUPPORTS_MIPS16
171bb2f1
JC
289 select SYS_SUPPORTS_MULTITHREADING
290 select SYS_HAS_EARLY_PRINTK
291 select ARCH_REQUIRE_GPIOLIB
292 select SWAP_IO_SPACE
293 select BOOT_RAW
287e3f3f
JC
294 select HAVE_MACH_CLKDEV
295 select CLKDEV_LOOKUP
a0392222 296 select USE_OF
3f8c50c9
JC
297 select PINCTRL
298 select PINCTRL_LANTIQ
c530781c
JC
299 select ARCH_HAS_RESET_CONTROLLER
300 select RESET_CONTROLLER
171bb2f1 301
1f21d2bd
BM
302config LASAT
303 bool "LASAT Networks platforms"
42f77542 304 select CEVT_R4K
16f0bbbc 305 select CRC32
940f6b48 306 select CSRC_R4K
1f21d2bd
BM
307 select DMA_NONCOHERENT
308 select SYS_HAS_EARLY_PRINTK
309 select HW_HAS_PCI
a5ccfe5c 310 select IRQ_CPU
1f21d2bd
BM
311 select PCI_GT64XXX_PCI0
312 select MIPS_NILE4
313 select R5000_CPU_SCACHE
314 select SYS_HAS_CPU_R5000
315 select SYS_SUPPORTS_32BIT_KERNEL
316 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
317 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 318
85749d24
WZ
319config MACH_LOONGSON
320 bool "Loongson family of machines"
c7e8c668 321 select SYS_SUPPORTS_ZBOOT
ade299d8 322 help
85749d24
WZ
323 This enables the support of Loongson family of machines.
324
325 Loongson is a family of general-purpose MIPS-compatible CPUs.
326 developed at Institute of Computing Technology (ICT),
327 Chinese Academy of Sciences (CAS) in the People's Republic
328 of China. The chief architect is Professor Weiwu Hu.
ade299d8 329
ca585cf9
KC
330config MACH_LOONGSON1
331 bool "Loongson 1 family of machines"
332 select SYS_SUPPORTS_ZBOOT
333 help
334 This enables support for the Loongson 1 based machines.
335
336 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
337 the ICT (Institute of Computing Technology) and the Chinese Academy
338 of Sciences.
339
1da177e4 340config MIPS_MALTA
3fa986fa 341 bool "MIPS Malta board"
61ed242d 342 select ARCH_MAY_HAVE_PC_FDC
1da177e4 343 select BOOT_ELF32
fa71c960 344 select BOOT_RAW
42f77542 345 select CEVT_R4K
940f6b48 346 select CSRC_R4K
fa5635a2 347 select CLKSRC_MIPS_GIC
885014bc 348 select DMA_MAYBE_COHERENT
1da177e4 349 select GENERIC_ISA_DMA
8a118c38 350 select HAVE_PCSPKR_PLATFORM
aa414dff 351 select IRQ_CPU
8a19b8f1 352 select MIPS_GIC
1da177e4 353 select HW_HAS_PCI
d865bea4 354 select I8253
1da177e4 355 select I8259
5e83d430 356 select MIPS_BONITO64
9318c51a 357 select MIPS_CPU_SCACHE
a7ef1ead 358 select MIPS_L1_CACHE_SHIFT_6
252161ec 359 select PCI_GT64XXX_PCI0
5e83d430 360 select MIPS_MSC
1da177e4 361 select SWAP_IO_SPACE
7cf8053b
RB
362 select SYS_HAS_CPU_MIPS32_R1
363 select SYS_HAS_CPU_MIPS32_R2
bfc3c5a6 364 select SYS_HAS_CPU_MIPS32_R3_5
7cf8053b 365 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 366 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
367 select SYS_HAS_CPU_NEVADA
368 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
369 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
371 select SYS_SUPPORTS_BIG_ENDIAN
372 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 373 select SYS_SUPPORTS_MIPS_CMP
e56b6aa6 374 select SYS_SUPPORTS_MIPS_CPS
377cb1b6 375 select SYS_SUPPORTS_MIPS16
f41ae0b2 376 select SYS_SUPPORTS_MULTITHREADING
9693a853 377 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 378 select SYS_SUPPORTS_ZBOOT
1da177e4 379 help
f638d197 380 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
381 board.
382
ec47b274
SH
383config MIPS_SEAD3
384 bool "MIPS SEAD3 board"
385 select BOOT_ELF32
386 select BOOT_RAW
f262b5f2 387 select BUILTIN_DTB
ec47b274
SH
388 select CEVT_R4K
389 select CSRC_R4K
fa5635a2 390 select CLKSRC_MIPS_GIC
ec47b274
SH
391 select CPU_MIPSR2_IRQ_VI
392 select CPU_MIPSR2_IRQ_EI
393 select DMA_NONCOHERENT
394 select IRQ_CPU
8a19b8f1 395 select MIPS_GIC
44327236 396 select LIBFDT
ec47b274
SH
397 select MIPS_MSC
398 select SYS_HAS_CPU_MIPS32_R1
399 select SYS_HAS_CPU_MIPS32_R2
400 select SYS_HAS_CPU_MIPS64_R1
401 select SYS_HAS_EARLY_PRINTK
402 select SYS_SUPPORTS_32BIT_KERNEL
403 select SYS_SUPPORTS_64BIT_KERNEL
404 select SYS_SUPPORTS_BIG_ENDIAN
405 select SYS_SUPPORTS_LITTLE_ENDIAN
406 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 407 select SYS_SUPPORTS_MICROMIPS
377cb1b6 408 select SYS_SUPPORTS_MIPS16
ec47b274
SH
409 select USB_EHCI_BIG_ENDIAN_DESC
410 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 411 select USE_OF
ec47b274
SH
412 help
413 This enables support for the MIPS Technologies SEAD3 evaluation
414 board.
415
a83860c2
RB
416config NEC_MARKEINS
417 bool "NEC EMMA2RH Mark-eins board"
418 select SOC_EMMA2RH
419 select HW_HAS_PCI
420 help
421 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 422
5e83d430 423config MACH_VR41XX
74142d65 424 bool "NEC VR4100 series based machines"
42f77542 425 select CEVT_R4K
940f6b48 426 select CSRC_R4K
7cf8053b 427 select SYS_HAS_CPU_VR41XX
377cb1b6 428 select SYS_SUPPORTS_MIPS16
27fdd325 429 select ARCH_REQUIRE_GPIOLIB
5e83d430 430
edb6310a
DL
431config NXP_STB220
432 bool "NXP STB220 board"
433 select SOC_PNX833X
434 help
435 Support for NXP Semiconductors STB220 Development Board.
436
437config NXP_STB225
438 bool "NXP 225 board"
439 select SOC_PNX833X
440 select SOC_PNX8335
441 help
442 Support for NXP Semiconductors STB225 Development Board.
443
9267a30d
MSJ
444config PMC_MSP
445 bool "PMC-Sierra MSP chipsets"
39d30c13
A
446 select CEVT_R4K
447 select CSRC_R4K
9267a30d
MSJ
448 select DMA_NONCOHERENT
449 select SWAP_IO_SPACE
450 select NO_EXCEPT_FILL
451 select BOOT_RAW
452 select SYS_HAS_CPU_MIPS32_R1
453 select SYS_HAS_CPU_MIPS32_R2
454 select SYS_SUPPORTS_32BIT_KERNEL
455 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 456 select SYS_SUPPORTS_MIPS16
9267a30d
MSJ
457 select IRQ_CPU
458 select SERIAL_8250
459 select SERIAL_8250_CONSOLE
9296d94d
FF
460 select USB_EHCI_BIG_ENDIAN_MMIO
461 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
462 help
463 This adds support for the PMC-Sierra family of Multi-Service
464 Processor System-On-A-Chips. These parts include a number
465 of integrated peripherals, interfaces and DSPs in addition to
466 a variety of MIPS cores.
467
ae2b5bb6
JC
468config RALINK
469 bool "Ralink based machines"
470 select CEVT_R4K
471 select CSRC_R4K
472 select BOOT_RAW
473 select DMA_NONCOHERENT
474 select IRQ_CPU
475 select USE_OF
476 select SYS_HAS_CPU_MIPS32_R1
477 select SYS_HAS_CPU_MIPS32_R2
478 select SYS_SUPPORTS_32BIT_KERNEL
479 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 480 select SYS_SUPPORTS_MIPS16
ae2b5bb6
JC
481 select SYS_HAS_EARLY_PRINTK
482 select HAVE_MACH_CLKDEV
483 select CLKDEV_LOOKUP
2a153f1c
JC
484 select ARCH_HAS_RESET_CONTROLLER
485 select RESET_CONTROLLER
ae2b5bb6 486
1da177e4 487config SGI_IP22
3fa986fa 488 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
489 select FW_ARC
490 select FW_ARC32
1da177e4 491 select BOOT_ELF32
42f77542 492 select CEVT_R4K
940f6b48 493 select CSRC_R4K
e2defae5 494 select DEFAULT_SGI_PARTITION
1da177e4 495 select DMA_NONCOHERENT
5e83d430 496 select HW_HAS_EISA
d865bea4 497 select I8253
68de4803 498 select I8259
1da177e4
LT
499 select IP22_CPU_SCACHE
500 select IRQ_CPU
aa414dff 501 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
502 select SGI_HAS_I8042
503 select SGI_HAS_INDYDOG
36e5c21d 504 select SGI_HAS_HAL2
e2defae5
TB
505 select SGI_HAS_SEEQ
506 select SGI_HAS_WD93
507 select SGI_HAS_ZILOG
1da177e4 508 select SWAP_IO_SPACE
7cf8053b
RB
509 select SYS_HAS_CPU_R4X00
510 select SYS_HAS_CPU_R5000
2b5e63f6
MM
511 #
512 # Disable EARLY_PRINTK for now since it leads to overwritten prom
513 # memory during early boot on some machines.
514 #
515 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
516 # for a more details discussion
517 #
518 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
519 select SYS_SUPPORTS_32BIT_KERNEL
520 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 521 select SYS_SUPPORTS_BIG_ENDIAN
930beb5a 522 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
523 help
524 This are the SGI Indy, Challenge S and Indigo2, as well as certain
525 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
526 that runs on these, say Y here.
527
528config SGI_IP27
3fa986fa 529 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
530 select FW_ARC
531 select FW_ARC64
5e83d430 532 select BOOT_ELF64
e2defae5 533 select DEFAULT_SGI_PARTITION
634286f1 534 select DMA_COHERENT
36a88530 535 select SYS_HAS_EARLY_PRINTK
1da177e4 536 select HW_HAS_PCI
130e2fb7 537 select NR_CPUS_DEFAULT_64
7cf8053b 538 select SYS_HAS_CPU_R10000
ed5ba2fb 539 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 540 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 541 select SYS_SUPPORTS_NUMA
1a5c5de1 542 select SYS_SUPPORTS_SMP
930beb5a 543 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
544 help
545 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
546 workstations. To compile a Linux kernel that runs on these, say Y
547 here.
548
e2defae5 549config SGI_IP28
7d60717e 550 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
551 select FW_ARC
552 select FW_ARC64
e2defae5
TB
553 select BOOT_ELF64
554 select CEVT_R4K
555 select CSRC_R4K
556 select DEFAULT_SGI_PARTITION
557 select DMA_NONCOHERENT
558 select GENERIC_ISA_DMA_SUPPORT_BROKEN
559 select IRQ_CPU
560 select HW_HAS_EISA
561 select I8253
562 select I8259
e2defae5
TB
563 select SGI_HAS_I8042
564 select SGI_HAS_INDYDOG
5b438c44 565 select SGI_HAS_HAL2
e2defae5
TB
566 select SGI_HAS_SEEQ
567 select SGI_HAS_WD93
568 select SGI_HAS_ZILOG
569 select SWAP_IO_SPACE
570 select SYS_HAS_CPU_R10000
2b5e63f6
MM
571 #
572 # Disable EARLY_PRINTK for now since it leads to overwritten prom
573 # memory during early boot on some machines.
574 #
575 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
576 # for a more details discussion
577 #
578 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
579 select SYS_SUPPORTS_64BIT_KERNEL
580 select SYS_SUPPORTS_BIG_ENDIAN
dc24d68d 581 select MIPS_L1_CACHE_SHIFT_7
e2defae5
TB
582 help
583 This is the SGI Indigo2 with R10000 processor. To compile a Linux
584 kernel that runs on these, say Y here.
585
1da177e4 586config SGI_IP32
cfd2afc0 587 bool "SGI IP32 (O2)"
0e2794b0
RB
588 select FW_ARC
589 select FW_ARC32
1da177e4 590 select BOOT_ELF32
42f77542 591 select CEVT_R4K
940f6b48 592 select CSRC_R4K
1da177e4
LT
593 select DMA_NONCOHERENT
594 select HW_HAS_PCI
dd67b155 595 select IRQ_CPU
1da177e4
LT
596 select R5000_CPU_SCACHE
597 select RM7000_CPU_SCACHE
7cf8053b
RB
598 select SYS_HAS_CPU_R5000
599 select SYS_HAS_CPU_R10000 if BROKEN
600 select SYS_HAS_CPU_RM7000
dd2f18fe 601 select SYS_HAS_CPU_NEVADA
ed5ba2fb 602 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 603 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 604 help
5e83d430 605 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 606
ade299d8
YY
607config SIBYTE_CRHINE
608 bool "Sibyte BCM91120C-CRhine"
9a6dcea1
AI
609 select BOOT_ELF32
610 select DMA_COHERENT
ade299d8 611 select SIBYTE_BCM1120
9a6dcea1 612 select SWAP_IO_SPACE
7cf8053b 613 select SYS_HAS_CPU_SB1
9a6dcea1
AI
614 select SYS_SUPPORTS_BIG_ENDIAN
615 select SYS_SUPPORTS_LITTLE_ENDIAN
616
ade299d8
YY
617config SIBYTE_CARMEL
618 bool "Sibyte BCM91120x-Carmel"
5e83d430 619 select BOOT_ELF32
1da177e4 620 select DMA_COHERENT
ade299d8 621 select SIBYTE_BCM1120
5e83d430 622 select SWAP_IO_SPACE
7cf8053b 623 select SYS_HAS_CPU_SB1
81731f79 624 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 625 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 626
ade299d8
YY
627config SIBYTE_CRHONE
628 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
629 select BOOT_ELF32
630 select DMA_COHERENT
ade299d8 631 select SIBYTE_BCM1125
5e83d430 632 select SWAP_IO_SPACE
7cf8053b 633 select SYS_HAS_CPU_SB1
5e83d430 634 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 635 select SYS_SUPPORTS_HIGHMEM
5e83d430 636 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 637
5e83d430 638config SIBYTE_RHONE
3fa986fa 639 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
640 select BOOT_ELF32
641 select DMA_COHERENT
642 select SIBYTE_BCM1125H
643 select SWAP_IO_SPACE
7cf8053b 644 select SYS_HAS_CPU_SB1
5e83d430
RB
645 select SYS_SUPPORTS_BIG_ENDIAN
646 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 647
ade299d8
YY
648config SIBYTE_SWARM
649 bool "Sibyte BCM91250A-SWARM"
5e83d430 650 select BOOT_ELF32
26a940e2 651 select DMA_COHERENT
fcf3ca4c 652 select HAVE_PATA_PLATFORM
ade299d8 653 select SIBYTE_SB1250
5e83d430 654 select SWAP_IO_SPACE
7cf8053b 655 select SYS_HAS_CPU_SB1
5e83d430 656 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 657 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 658 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 659 select ZONE_DMA32 if 64BIT
e3ad1c23 660
ade299d8
YY
661config SIBYTE_LITTLESUR
662 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
663 select BOOT_ELF32
664 select DMA_COHERENT
fcf3ca4c 665 select HAVE_PATA_PLATFORM
5e83d430
RB
666 select SIBYTE_SB1250
667 select SWAP_IO_SPACE
7cf8053b 668 select SYS_HAS_CPU_SB1
5e83d430
RB
669 select SYS_SUPPORTS_BIG_ENDIAN
670 select SYS_SUPPORTS_HIGHMEM
671 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 672
ade299d8
YY
673config SIBYTE_SENTOSA
674 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
675 select BOOT_ELF32
676 select DMA_COHERENT
677 select SIBYTE_SB1250
678 select SWAP_IO_SPACE
7cf8053b 679 select SYS_HAS_CPU_SB1
5e83d430 680 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 681 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 682
ade299d8
YY
683config SIBYTE_BIGSUR
684 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
685 select BOOT_ELF32
686 select DMA_COHERENT
ade299d8 687 select NR_CPUS_DEFAULT_4
ade299d8 688 select SIBYTE_BCM1x80
5e83d430 689 select SWAP_IO_SPACE
7cf8053b 690 select SYS_HAS_CPU_SB1
5e83d430 691 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 692 select SYS_SUPPORTS_HIGHMEM
5e83d430 693 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 694 select ZONE_DMA32 if 64BIT
1da177e4 695
14b36af4
TB
696config SNI_RM
697 bool "SNI RM200/300/400"
0e2794b0
RB
698 select FW_ARC if CPU_LITTLE_ENDIAN
699 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 700 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 701 select ARCH_MAY_HAVE_PC_FDC
1da177e4 702 select BOOT_ELF32
42f77542 703 select CEVT_R4K
940f6b48 704 select CSRC_R4K
e2defae5 705 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
706 select DMA_NONCOHERENT
707 select GENERIC_ISA_DMA
8a118c38 708 select HAVE_PCSPKR_PLATFORM
5e83d430 709 select HW_HAS_EISA
1da177e4 710 select HW_HAS_PCI
c066a32a 711 select IRQ_CPU
d865bea4 712 select I8253
1da177e4
LT
713 select I8259
714 select ISA
4a0312fc 715 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 716 select SYS_HAS_CPU_R4X00
4a0312fc 717 select SYS_HAS_CPU_R5000
c066a32a 718 select SYS_HAS_CPU_R10000
4a0312fc 719 select R5000_CPU_SCACHE
36a88530 720 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 721 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 722 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 723 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 724 select SYS_SUPPORTS_HIGHMEM
5e83d430 725 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 726 help
14b36af4
TB
727 The SNI RM200/300/400 are MIPS-based machines manufactured by
728 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
729 Technology and now in turn merged with Fujitsu. Say Y here to
730 support this machine type.
731
edcaf1a6
AN
732config MACH_TX39XX
733 bool "Toshiba TX39 series based machines"
5e83d430 734
edcaf1a6
AN
735config MACH_TX49XX
736 bool "Toshiba TX49 series based machines"
5e83d430 737
73b4390f
RB
738config MIKROTIK_RB532
739 bool "Mikrotik RB532 boards"
740 select CEVT_R4K
741 select CSRC_R4K
742 select DMA_NONCOHERENT
73b4390f
RB
743 select HW_HAS_PCI
744 select IRQ_CPU
745 select SYS_HAS_CPU_MIPS32_R1
746 select SYS_SUPPORTS_32BIT_KERNEL
747 select SYS_SUPPORTS_LITTLE_ENDIAN
748 select SWAP_IO_SPACE
749 select BOOT_RAW
d888e25b 750 select ARCH_REQUIRE_GPIOLIB
930beb5a 751 select MIPS_L1_CACHE_SHIFT_4
73b4390f
RB
752 help
753 Support the Mikrotik(tm) RouterBoard 532 series,
754 based on the IDT RC32434 SoC.
755
9ddebc46
DD
756config CAVIUM_OCTEON_SOC
757 bool "Cavium Networks Octeon SoC based boards"
a86c7f72
DD
758 select CEVT_R4K
759 select 64BIT_PHYS_ADDR
760 select DMA_COHERENT
761 select SYS_SUPPORTS_64BIT_KERNEL
762 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 763 select EDAC_SUPPORT
773cb77d 764 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 765 select SYS_HAS_EARLY_PRINTK
5e683389 766 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 767 select SWAP_IO_SPACE
e8635b48 768 select HW_HAS_PCI
f00e001e 769 select ZONE_DMA32
465aaed0 770 select HOLES_IN_ZONE
99cab4bb 771 select ARCH_REQUIRE_GPIOLIB
6e511163
DD
772 select LIBFDT
773 select USE_OF
774 select ARCH_SPARSEMEM_ENABLE
775 select SYS_SUPPORTS_SMP
776 select NR_CPUS_DEFAULT_16
e326479f 777 select BUILTIN_DTB
a86c7f72
DD
778 help
779 This option supports all of the Octeon reference boards from Cavium
780 Networks. It builds a kernel that dynamically determines the Octeon
781 CPU type and supports all known board reference implementations.
782 Some of the supported boards are:
783 EBT3000
784 EBH3000
785 EBH3100
786 Thunder
787 Kodama
788 Hikari
789 Say Y here for most Octeon reference boards.
790
7f058e85
J
791config NLM_XLR_BOARD
792 bool "Netlogic XLR/XLS based systems"
7f058e85
J
793 select BOOT_ELF32
794 select NLM_COMMON
7f058e85
J
795 select SYS_HAS_CPU_XLR
796 select SYS_SUPPORTS_SMP
797 select HW_HAS_PCI
798 select SWAP_IO_SPACE
799 select SYS_SUPPORTS_32BIT_KERNEL
800 select SYS_SUPPORTS_64BIT_KERNEL
801 select 64BIT_PHYS_ADDR
802 select SYS_SUPPORTS_BIG_ENDIAN
803 select SYS_SUPPORTS_HIGHMEM
804 select DMA_COHERENT
805 select NR_CPUS_DEFAULT_32
806 select CEVT_R4K
807 select CSRC_R4K
808 select IRQ_CPU
b97215fd 809 select ZONE_DMA32 if 64BIT
7f058e85
J
810 select SYNC_R4K
811 select SYS_HAS_EARLY_PRINTK
8f0b0430
J
812 select SYS_SUPPORTS_ZBOOT
813 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
814 help
815 Support for systems based on Netlogic XLR and XLS processors.
816 Say Y here if you have a XLR or XLS based board.
817
1c773ea4
J
818config NLM_XLP_BOARD
819 bool "Netlogic XLP based systems"
1c773ea4
J
820 select BOOT_ELF32
821 select NLM_COMMON
822 select SYS_HAS_CPU_XLP
823 select SYS_SUPPORTS_SMP
824 select HW_HAS_PCI
1c773ea4
J
825 select SYS_SUPPORTS_32BIT_KERNEL
826 select SYS_SUPPORTS_64BIT_KERNEL
827 select 64BIT_PHYS_ADDR
828 select SYS_SUPPORTS_BIG_ENDIAN
829 select SYS_SUPPORTS_LITTLE_ENDIAN
830 select SYS_SUPPORTS_HIGHMEM
831 select DMA_COHERENT
832 select NR_CPUS_DEFAULT_32
833 select CEVT_R4K
834 select CSRC_R4K
835 select IRQ_CPU
b97215fd 836 select ZONE_DMA32 if 64BIT
1c773ea4
J
837 select SYNC_R4K
838 select SYS_HAS_EARLY_PRINTK
2f6528e1 839 select USE_OF
8f0b0430
J
840 select SYS_SUPPORTS_ZBOOT
841 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
842 help
843 This board is based on Netlogic XLP Processor.
844 Say Y here if you have a XLP based board.
845
9bc463be
DD
846config MIPS_PARAVIRT
847 bool "Para-Virtualized guest system"
848 select CEVT_R4K
849 select CSRC_R4K
850 select DMA_COHERENT
851 select SYS_SUPPORTS_64BIT_KERNEL
852 select SYS_SUPPORTS_32BIT_KERNEL
853 select SYS_SUPPORTS_BIG_ENDIAN
854 select SYS_SUPPORTS_SMP
855 select NR_CPUS_DEFAULT_4
856 select SYS_HAS_EARLY_PRINTK
857 select SYS_HAS_CPU_MIPS32_R2
858 select SYS_HAS_CPU_MIPS64_R2
859 select SYS_HAS_CPU_CAVIUM_OCTEON
860 select HW_HAS_PCI
861 select SWAP_IO_SPACE
862 help
863 This option supports guest running under ????
864
5e83d430 865endchoice
1da177e4 866
e8c7c482 867source "arch/mips/alchemy/Kconfig"
d4a67d9d 868source "arch/mips/ath79/Kconfig"
a656ffcb 869source "arch/mips/bcm47xx/Kconfig"
e7300d04 870source "arch/mips/bcm63xx/Kconfig"
5e83d430 871source "arch/mips/jazz/Kconfig"
5ebabe59 872source "arch/mips/jz4740/Kconfig"
8ec6d935 873source "arch/mips/lantiq/Kconfig"
1f21d2bd 874source "arch/mips/lasat/Kconfig"
0f3a05cb 875source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 876source "arch/mips/ralink/Kconfig"
29c48699 877source "arch/mips/sgi-ip27/Kconfig"
38b18f72 878source "arch/mips/sibyte/Kconfig"
22b1d707 879source "arch/mips/txx9/Kconfig"
5e83d430 880source "arch/mips/vr41xx/Kconfig"
a86c7f72 881source "arch/mips/cavium-octeon/Kconfig"
85749d24 882source "arch/mips/loongson/Kconfig"
ca585cf9 883source "arch/mips/loongson1/Kconfig"
7f058e85 884source "arch/mips/netlogic/Kconfig"
ae6e7e63 885source "arch/mips/paravirt/Kconfig"
38b18f72 886
5e83d430
RB
887endmenu
888
1da177e4
LT
889config RWSEM_GENERIC_SPINLOCK
890 bool
891 default y
892
893config RWSEM_XCHGADD_ALGORITHM
894 bool
895
f0d1b0b3
DH
896config ARCH_HAS_ILOG2_U32
897 bool
898 default n
899
900config ARCH_HAS_ILOG2_U64
901 bool
902 default n
903
3c9ee7ef
AM
904config GENERIC_HWEIGHT
905 bool
906 default y
907
1da177e4
LT
908config GENERIC_CALIBRATE_DELAY
909 bool
910 default y
911
ae1e9130 912config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
913 bool
914 default y
915
1da177e4
LT
916#
917# Select some configuration options automatically based on user selections.
918#
0e2794b0 919config FW_ARC
1da177e4 920 bool
1da177e4 921
61ed242d
RB
922config ARCH_MAY_HAVE_PC_FDC
923 bool
924
9267a30d
MSJ
925config BOOT_RAW
926 bool
927
217dd11e
RB
928config CEVT_BCM1480
929 bool
930
6457d9fc
YY
931config CEVT_DS1287
932 bool
933
1097c6ac
YY
934config CEVT_GT641XX
935 bool
936
42f77542
RB
937config CEVT_R4K
938 bool
939
217dd11e
RB
940config CEVT_SB1250
941 bool
942
229f773e
AN
943config CEVT_TXX9
944 bool
945
217dd11e
RB
946config CSRC_BCM1480
947 bool
948
4247417d
YY
949config CSRC_IOASIC
950 bool
951
940f6b48
RB
952config CSRC_R4K
953 bool
954
217dd11e
RB
955config CSRC_SB1250
956 bool
957
a9aec7fe 958config GPIO_TXX9
7444a72e 959 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
960 bool
961
0e2794b0 962config FW_CFE
df78b5c8
AJ
963 bool
964
4bafad92
FT
965config ARCH_DMA_ADDR_T_64BIT
966 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
967
885014bc
FF
968config DMA_MAYBE_COHERENT
969 select DMA_NONCOHERENT
970 bool
971
4ce588cd 972config DMA_COHERENT
1da177e4
LT
973 bool
974
4ce588cd
RB
975config DMA_NONCOHERENT
976 bool
e1e02b32 977 select NEED_DMA_MAP_STATE
4ce588cd 978
e1e02b32 979config NEED_DMA_MAP_STATE
1da177e4
LT
980 bool
981
36a88530 982config SYS_HAS_EARLY_PRINTK
1da177e4 983 bool
1da177e4 984
dbb74540 985config HOTPLUG_CPU
1b2bc75c 986 bool "Support for hot-pluggable CPUs"
40b31360 987 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1b2bc75c
RB
988 help
989 Say Y here to allow turning CPUs off and on. CPUs can be
990 controlled through /sys/devices/system/cpu.
991 (Note: power management support will enable this option
992 automatically on SMP systems. )
993 Say N if you want to disable CPU hotplug.
994
995config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 996 bool
dbb74540 997
1da177e4
LT
998config I8259
999 bool
079a4601 1000 select IRQ_DOMAIN
1da177e4 1001
1da177e4
LT
1002config MIPS_BONITO64
1003 bool
1da177e4
LT
1004
1005config MIPS_MSC
1006 bool
1da177e4 1007
1f21d2bd
BM
1008config MIPS_NILE4
1009 bool
1010
39b8d525
RB
1011config SYNC_R4K
1012 bool
1013
487d70d0
GJ
1014config MIPS_MACHINE
1015 def_bool n
1016
ce816fa8 1017config NO_IOPORT_MAP
d388d685
MR
1018 def_bool n
1019
8313da30
RB
1020config GENERIC_ISA_DMA
1021 bool
1022 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 1023 select ISA_DMA_API
8313da30 1024
aa414dff
RB
1025config GENERIC_ISA_DMA_SUPPORT_BROKEN
1026 bool
8313da30 1027 select GENERIC_ISA_DMA
aa414dff 1028
a35bee8a
NK
1029config ISA_DMA_API
1030 bool
1031
465aaed0
DD
1032config HOLES_IN_ZONE
1033 bool
1034
5e83d430 1035#
6b2aac42 1036# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
1037# answer,so we try hard to limit the available choices. Also the use of a
1038# choice statement should be more obvious to the user.
1039#
1040choice
6b2aac42 1041 prompt "Endianness selection"
1da177e4
LT
1042 help
1043 Some MIPS machines can be configured for either little or big endian
5e83d430 1044 byte order. These modes require different kernels and a different
3cb2fccc 1045 Linux distribution. In general there is one preferred byteorder for a
5e83d430 1046 particular system but some systems are just as commonly used in the
3dde6ad8 1047 one or the other endianness.
5e83d430
RB
1048
1049config CPU_BIG_ENDIAN
1050 bool "Big endian"
1051 depends on SYS_SUPPORTS_BIG_ENDIAN
1052
1053config CPU_LITTLE_ENDIAN
1054 bool "Little endian"
1055 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
1056
1057endchoice
1058
22b0763a
DD
1059config EXPORT_UASM
1060 bool
1061
2116245e
RB
1062config SYS_SUPPORTS_APM_EMULATION
1063 bool
1064
5e83d430
RB
1065config SYS_SUPPORTS_BIG_ENDIAN
1066 bool
1067
1068config SYS_SUPPORTS_LITTLE_ENDIAN
1069 bool
1da177e4 1070
9cffd154
DD
1071config SYS_SUPPORTS_HUGETLBFS
1072 bool
1073 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1074 default y
1075
aa1762f4
DD
1076config MIPS_HUGE_TLB_SUPPORT
1077 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1078
1da177e4
LT
1079config IRQ_CPU
1080 bool
0f84c305 1081 select IRQ_DOMAIN
1da177e4
LT
1082
1083config IRQ_CPU_RM7K
1084 bool
1085
9267a30d
MSJ
1086config IRQ_MSP_SLP
1087 bool
1088
1089config IRQ_MSP_CIC
1090 bool
1091
8420fd00
AN
1092config IRQ_TXX9
1093 bool
1094
d5ab1a69
YY
1095config IRQ_GT641XX
1096 bool
1097
252161ec 1098config PCI_GT64XXX_PCI0
1da177e4 1099 bool
1da177e4 1100
9267a30d
MSJ
1101config NO_EXCEPT_FILL
1102 bool
1103
a83860c2
RB
1104config SOC_EMMA2RH
1105 bool
1106 select CEVT_R4K
1107 select CSRC_R4K
1108 select DMA_NONCOHERENT
1109 select IRQ_CPU
1110 select SWAP_IO_SPACE
1111 select SYS_HAS_CPU_R5500
1112 select SYS_SUPPORTS_32BIT_KERNEL
1113 select SYS_SUPPORTS_64BIT_KERNEL
1114 select SYS_SUPPORTS_BIG_ENDIAN
1115
edb6310a
DL
1116config SOC_PNX833X
1117 bool
1118 select CEVT_R4K
1119 select CSRC_R4K
1120 select IRQ_CPU
1121 select DMA_NONCOHERENT
1122 select SYS_HAS_CPU_MIPS32_R2
1123 select SYS_SUPPORTS_32BIT_KERNEL
1124 select SYS_SUPPORTS_LITTLE_ENDIAN
1125 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 1126 select SYS_SUPPORTS_MIPS16
edb6310a
DL
1127 select CPU_MIPSR2_IRQ_VI
1128
1129config SOC_PNX8335
1130 bool
1131 select SOC_PNX833X
1132
1da177e4
LT
1133config SWAP_IO_SPACE
1134 bool
1135
e2defae5
TB
1136config SGI_HAS_INDYDOG
1137 bool
1138
5b438c44
TB
1139config SGI_HAS_HAL2
1140 bool
1141
e2defae5
TB
1142config SGI_HAS_SEEQ
1143 bool
1144
1145config SGI_HAS_WD93
1146 bool
1147
1148config SGI_HAS_ZILOG
1149 bool
1150
1151config SGI_HAS_I8042
1152 bool
1153
1154config DEFAULT_SGI_PARTITION
1155 bool
1156
0e2794b0 1157config FW_ARC32
5e83d430
RB
1158 bool
1159
aaa9fad3 1160config FW_SNIPROM
231a35d3
TB
1161 bool
1162
1da177e4
LT
1163config BOOT_ELF32
1164 bool
1da177e4 1165
930beb5a
FF
1166config MIPS_L1_CACHE_SHIFT_4
1167 bool
1168
1169config MIPS_L1_CACHE_SHIFT_5
1170 bool
1171
1172config MIPS_L1_CACHE_SHIFT_6
1173 bool
1174
1175config MIPS_L1_CACHE_SHIFT_7
1176 bool
1177
1da177e4
LT
1178config MIPS_L1_CACHE_SHIFT
1179 int
a4c0201e
FF
1180 default "4" if MIPS_L1_CACHE_SHIFT_4
1181 default "5" if MIPS_L1_CACHE_SHIFT_5
1182 default "6" if MIPS_L1_CACHE_SHIFT_6
1183 default "7" if MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
1184 default "5"
1185
1da177e4
LT
1186config HAVE_STD_PC_SERIAL_PORT
1187 bool
1188
1da177e4
LT
1189config ARC_CONSOLE
1190 bool "ARC console support"
e2defae5 1191 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1192
1193config ARC_MEMORY
1194 bool
14b36af4 1195 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1196 default y
1197
1198config ARC_PROMLIB
1199 bool
e2defae5 1200 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1201 default y
1202
0e2794b0 1203config FW_ARC64
1da177e4 1204 bool
1da177e4
LT
1205
1206config BOOT_ELF64
1207 bool
1da177e4 1208
1da177e4
LT
1209menu "CPU selection"
1210
1211choice
1212 prompt "CPU type"
1213 default CPU_R4X00
1214
0e476d91
HC
1215config CPU_LOONGSON3
1216 bool "Loongson 3 CPU"
1217 depends on SYS_HAS_CPU_LOONGSON3
1218 select CPU_SUPPORTS_64BIT_KERNEL
1219 select CPU_SUPPORTS_HIGHMEM
1220 select CPU_SUPPORTS_HUGEPAGES
1221 select WEAK_ORDERING
1222 select WEAK_REORDERING_BEYOND_LLSC
1223 help
1224 The Loongson 3 processor implements the MIPS64R2 instruction
1225 set with many extensions.
1226
3702bba5
WZ
1227config CPU_LOONGSON2E
1228 bool "Loongson 2E"
1229 depends on SYS_HAS_CPU_LOONGSON2E
1230 select CPU_LOONGSON2
2a21c730
FZ
1231 help
1232 The Loongson 2E processor implements the MIPS III instruction set
1233 with many extensions.
1234
25985edc 1235 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1236 bonito64.
1237
1238config CPU_LOONGSON2F
1239 bool "Loongson 2F"
1240 depends on SYS_HAS_CPU_LOONGSON2F
1241 select CPU_LOONGSON2
c197da91 1242 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1243 help
1244 The Loongson 2F processor implements the MIPS III instruction set
1245 with many extensions.
1246
1247 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1248 have a similar programming interface with FPGA northbridge used in
1249 Loongson2E.
1250
ca585cf9
KC
1251config CPU_LOONGSON1B
1252 bool "Loongson 1B"
1253 depends on SYS_HAS_CPU_LOONGSON1B
1254 select CPU_LOONGSON1
1255 help
1256 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1257 release 2 instruction set.
1258
6e760c8d
RB
1259config CPU_MIPS32_R1
1260 bool "MIPS32 Release 1"
7cf8053b 1261 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1262 select CPU_HAS_PREFETCH
797798c1 1263 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1264 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1265 help
5e83d430 1266 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1267 MIPS32 architecture. Most modern embedded systems with a 32-bit
1268 MIPS processor are based on a MIPS32 processor. If you know the
1269 specific type of processor in your system, choose those that one
1270 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1271 Release 2 of the MIPS32 architecture is available since several
1272 years so chances are you even have a MIPS32 Release 2 processor
1273 in which case you should choose CPU_MIPS32_R2 instead for better
1274 performance.
1275
1276config CPU_MIPS32_R2
1277 bool "MIPS32 Release 2"
7cf8053b 1278 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1279 select CPU_HAS_PREFETCH
797798c1 1280 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1281 select CPU_SUPPORTS_HIGHMEM
a5e9a69e 1282 select CPU_SUPPORTS_MSA
2235a54d 1283 select HAVE_KVM
6e760c8d 1284 help
5e83d430 1285 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1286 MIPS32 architecture. Most modern embedded systems with a 32-bit
1287 MIPS processor are based on a MIPS32 processor. If you know the
1288 specific type of processor in your system, choose those that one
1289 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1290
1291config CPU_MIPS64_R1
1292 bool "MIPS64 Release 1"
7cf8053b 1293 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1294 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1295 select CPU_SUPPORTS_32BIT_KERNEL
1296 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1297 select CPU_SUPPORTS_HIGHMEM
9cffd154 1298 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1299 help
1300 Choose this option to build a kernel for release 1 or later of the
1301 MIPS64 architecture. Many modern embedded systems with a 64-bit
1302 MIPS processor are based on a MIPS64 processor. If you know the
1303 specific type of processor in your system, choose those that one
1304 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1305 Release 2 of the MIPS64 architecture is available since several
1306 years so chances are you even have a MIPS64 Release 2 processor
1307 in which case you should choose CPU_MIPS64_R2 instead for better
1308 performance.
1309
1310config CPU_MIPS64_R2
1311 bool "MIPS64 Release 2"
7cf8053b 1312 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1313 select CPU_HAS_PREFETCH
1e5f1caa
RB
1314 select CPU_SUPPORTS_32BIT_KERNEL
1315 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1316 select CPU_SUPPORTS_HIGHMEM
9cffd154 1317 select CPU_SUPPORTS_HUGEPAGES
a5e9a69e 1318 select CPU_SUPPORTS_MSA
1e5f1caa
RB
1319 help
1320 Choose this option to build a kernel for release 2 or later of the
1321 MIPS64 architecture. Many modern embedded systems with a 64-bit
1322 MIPS processor are based on a MIPS64 processor. If you know the
1323 specific type of processor in your system, choose those that one
1324 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1325
1326config CPU_R3000
1327 bool "R3000"
7cf8053b 1328 depends on SYS_HAS_CPU_R3000
f7062ddb 1329 select CPU_HAS_WB
ed5ba2fb 1330 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1331 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1332 help
1333 Please make sure to pick the right CPU type. Linux/MIPS is not
1334 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1335 *not* work on R4000 machines and vice versa. However, since most
1336 of the supported machines have an R4000 (or similar) CPU, R4x00
1337 might be a safe bet. If the resulting kernel does not work,
1338 try to recompile with R3000.
1339
1340config CPU_TX39XX
1341 bool "R39XX"
7cf8053b 1342 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1343 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1344
1345config CPU_VR41XX
1346 bool "R41xx"
7cf8053b 1347 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1348 select CPU_SUPPORTS_32BIT_KERNEL
1349 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1350 help
5e83d430 1351 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1352 Only choose this option if you have one of these processors as a
1353 kernel built with this option will not run on any other type of
1354 processor or vice versa.
1355
1356config CPU_R4300
1357 bool "R4300"
7cf8053b 1358 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1359 select CPU_SUPPORTS_32BIT_KERNEL
1360 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1361 help
1362 MIPS Technologies R4300-series processors.
1363
1364config CPU_R4X00
1365 bool "R4x00"
7cf8053b 1366 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1367 select CPU_SUPPORTS_32BIT_KERNEL
1368 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1369 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1370 help
1371 MIPS Technologies R4000-series processors other than 4300, including
1372 the R4000, R4400, R4600, and 4700.
1373
1374config CPU_TX49XX
1375 bool "R49XX"
7cf8053b 1376 depends on SYS_HAS_CPU_TX49XX
de862b48 1377 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1378 select CPU_SUPPORTS_32BIT_KERNEL
1379 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1380 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1381
1382config CPU_R5000
1383 bool "R5000"
7cf8053b 1384 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1385 select CPU_SUPPORTS_32BIT_KERNEL
1386 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1387 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1388 help
1389 MIPS Technologies R5000-series processors other than the Nevada.
1390
1391config CPU_R5432
1392 bool "R5432"
7cf8053b 1393 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1394 select CPU_SUPPORTS_32BIT_KERNEL
1395 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1396 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1397
542c1020
SK
1398config CPU_R5500
1399 bool "R5500"
1400 depends on SYS_HAS_CPU_R5500
542c1020
SK
1401 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1403 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1404 help
1405 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1406 instruction set.
1407
1da177e4
LT
1408config CPU_R6000
1409 bool "R6000"
7cf8053b 1410 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1411 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1412 help
1413 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1414 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1415
1416config CPU_NEVADA
1417 bool "RM52xx"
7cf8053b 1418 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1419 select CPU_SUPPORTS_32BIT_KERNEL
1420 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1421 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1422 help
1423 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1424
1425config CPU_R8000
1426 bool "R8000"
7cf8053b 1427 depends on SYS_HAS_CPU_R8000
5e83d430 1428 select CPU_HAS_PREFETCH
ed5ba2fb 1429 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1430 help
1431 MIPS Technologies R8000 processors. Note these processors are
1432 uncommon and the support for them is incomplete.
1433
1434config CPU_R10000
1435 bool "R10000"
7cf8053b 1436 depends on SYS_HAS_CPU_R10000
5e83d430 1437 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1438 select CPU_SUPPORTS_32BIT_KERNEL
1439 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1440 select CPU_SUPPORTS_HIGHMEM
970d032f 1441 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1442 help
1443 MIPS Technologies R10000-series processors.
1444
1445config CPU_RM7000
1446 bool "RM7000"
7cf8053b 1447 depends on SYS_HAS_CPU_RM7000
5e83d430 1448 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1449 select CPU_SUPPORTS_32BIT_KERNEL
1450 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1451 select CPU_SUPPORTS_HIGHMEM
970d032f 1452 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1453
1454config CPU_SB1
1455 bool "SB1"
7cf8053b 1456 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1457 select CPU_SUPPORTS_32BIT_KERNEL
1458 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1459 select CPU_SUPPORTS_HIGHMEM
970d032f 1460 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1461 select WEAK_ORDERING
1da177e4 1462
a86c7f72
DD
1463config CPU_CAVIUM_OCTEON
1464 bool "Cavium Octeon processor"
5e683389 1465 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1466 select CPU_HAS_PREFETCH
1467 select CPU_SUPPORTS_64BIT_KERNEL
a86c7f72 1468 select WEAK_ORDERING
a86c7f72 1469 select CPU_SUPPORTS_HIGHMEM
9cffd154 1470 select CPU_SUPPORTS_HUGEPAGES
9296d94d 1471 select USB_EHCI_BIG_ENDIAN_MMIO
930beb5a 1472 select MIPS_L1_CACHE_SHIFT_7
a86c7f72
DD
1473 help
1474 The Cavium Octeon processor is a highly integrated chip containing
1475 many ethernet hardware widgets for networking tasks. The processor
1476 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1477 Full details can be found at http://www.caviumnetworks.com.
1478
cd746249
JG
1479config CPU_BMIPS
1480 bool "Broadcom BMIPS"
1481 depends on SYS_HAS_CPU_BMIPS
1482 select CPU_MIPS32
fe7f62c0 1483 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
cd746249
JG
1484 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1485 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1486 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1487 select CPU_SUPPORTS_32BIT_KERNEL
1488 select DMA_NONCOHERENT
1489 select IRQ_CPU
1490 select SWAP_IO_SPACE
1491 select WEAK_ORDERING
c1c0c461 1492 select CPU_SUPPORTS_HIGHMEM
69aaf9c8 1493 select CPU_HAS_PREFETCH
c1c0c461 1494 help
fe7f62c0 1495 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
c1c0c461 1496
7f058e85
J
1497config CPU_XLR
1498 bool "Netlogic XLR SoC"
1499 depends on SYS_HAS_CPU_XLR
1500 select CPU_SUPPORTS_32BIT_KERNEL
1501 select CPU_SUPPORTS_64BIT_KERNEL
1502 select CPU_SUPPORTS_HIGHMEM
970d032f 1503 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1504 select WEAK_ORDERING
1505 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1506 help
1507 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1508
1509config CPU_XLP
1510 bool "Netlogic XLP SoC"
1511 depends on SYS_HAS_CPU_XLP
1512 select CPU_SUPPORTS_32BIT_KERNEL
1513 select CPU_SUPPORTS_64BIT_KERNEL
1514 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1515 select WEAK_ORDERING
1516 select WEAK_REORDERING_BEYOND_LLSC
1517 select CPU_HAS_PREFETCH
d6504846 1518 select CPU_MIPSR2
1c773ea4
J
1519 help
1520 Netlogic Microsystems XLP processors.
1da177e4
LT
1521endchoice
1522
a6e18781
LY
1523config CPU_MIPS32_3_5_FEATURES
1524 bool "MIPS32 Release 3.5 Features"
1525 depends on SYS_HAS_CPU_MIPS32_R3_5
1526 depends on CPU_MIPS32_R2
1527 help
1528 Choose this option to build a kernel for release 2 or later of the
1529 MIPS32 architecture including features from the 3.5 release such as
1530 support for Enhanced Virtual Addressing (EVA).
1531
1532config CPU_MIPS32_3_5_EVA
1533 bool "Enhanced Virtual Addressing (EVA)"
1534 depends on CPU_MIPS32_3_5_FEATURES
1535 select EVA
1536 default y
1537 help
1538 Choose this option if you want to enable the Enhanced Virtual
1539 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1540 One of its primary benefits is an increase in the maximum size
1541 of lowmem (up to 3GB). If unsure, say 'N' here.
1542
622844bf
WZ
1543if CPU_LOONGSON2F
1544config CPU_NOP_WORKAROUNDS
1545 bool
1546
1547config CPU_JUMP_WORKAROUNDS
1548 bool
1549
1550config CPU_LOONGSON2F_WORKAROUNDS
1551 bool "Loongson 2F Workarounds"
1552 default y
1553 select CPU_NOP_WORKAROUNDS
1554 select CPU_JUMP_WORKAROUNDS
1555 help
1556 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1557 require workarounds. Without workarounds the system may hang
1558 unexpectedly. For more information please refer to the gas
1559 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1560
1561 Loongson 2F03 and later have fixed these issues and no workarounds
1562 are needed. The workarounds have no significant side effect on them
1563 but may decrease the performance of the system so this option should
1564 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1565 systems.
1566
1567 If unsure, please say Y.
1568endif # CPU_LOONGSON2F
1569
1b93b3c3
WZ
1570config SYS_SUPPORTS_ZBOOT
1571 bool
1572 select HAVE_KERNEL_GZIP
1573 select HAVE_KERNEL_BZIP2
31c4867d 1574 select HAVE_KERNEL_LZ4
1b93b3c3 1575 select HAVE_KERNEL_LZMA
fe1d45e0 1576 select HAVE_KERNEL_LZO
4e23eb63 1577 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1578
1579config SYS_SUPPORTS_ZBOOT_UART16550
1580 bool
1581 select SYS_SUPPORTS_ZBOOT
1582
3702bba5
WZ
1583config CPU_LOONGSON2
1584 bool
1585 select CPU_SUPPORTS_32BIT_KERNEL
1586 select CPU_SUPPORTS_64BIT_KERNEL
1587 select CPU_SUPPORTS_HIGHMEM
970d032f 1588 select CPU_SUPPORTS_HUGEPAGES
3702bba5 1589
ca585cf9
KC
1590config CPU_LOONGSON1
1591 bool
1592 select CPU_MIPS32
1593 select CPU_MIPSR2
1594 select CPU_HAS_PREFETCH
1595 select CPU_SUPPORTS_32BIT_KERNEL
1596 select CPU_SUPPORTS_HIGHMEM
f29ad10d 1597 select CPU_SUPPORTS_CPUFREQ
ca585cf9 1598
fe7f62c0 1599config CPU_BMIPS32_3300
04fa8bf7 1600 select SMP_UP if SMP
1bbb6c1b 1601 bool
cd746249
JG
1602
1603config CPU_BMIPS4350
1604 bool
1605 select SYS_SUPPORTS_SMP
1606 select SYS_SUPPORTS_HOTPLUG_CPU
1607
1608config CPU_BMIPS4380
1609 bool
bbf2ba67 1610 select MIPS_L1_CACHE_SHIFT_6
cd746249
JG
1611 select SYS_SUPPORTS_SMP
1612 select SYS_SUPPORTS_HOTPLUG_CPU
1613
1614config CPU_BMIPS5000
1615 bool
cd746249 1616 select MIPS_CPU_SCACHE
bbf2ba67 1617 select MIPS_L1_CACHE_SHIFT_7
cd746249
JG
1618 select SYS_SUPPORTS_SMP
1619 select SYS_SUPPORTS_HOTPLUG_CPU
1bbb6c1b 1620
0e476d91
HC
1621config SYS_HAS_CPU_LOONGSON3
1622 bool
1623 select CPU_SUPPORTS_CPUFREQ
1624
3702bba5 1625config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1626 bool
1627
6f7a251a
WZ
1628config SYS_HAS_CPU_LOONGSON2F
1629 bool
55045ff5
WZ
1630 select CPU_SUPPORTS_CPUFREQ
1631 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1632 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1633
ca585cf9
KC
1634config SYS_HAS_CPU_LOONGSON1B
1635 bool
1636
7cf8053b
RB
1637config SYS_HAS_CPU_MIPS32_R1
1638 bool
1639
1640config SYS_HAS_CPU_MIPS32_R2
1641 bool
1642
a6e18781
LY
1643config SYS_HAS_CPU_MIPS32_R3_5
1644 bool
1645
7cf8053b
RB
1646config SYS_HAS_CPU_MIPS64_R1
1647 bool
1648
1649config SYS_HAS_CPU_MIPS64_R2
1650 bool
1651
1652config SYS_HAS_CPU_R3000
1653 bool
1654
1655config SYS_HAS_CPU_TX39XX
1656 bool
1657
1658config SYS_HAS_CPU_VR41XX
1659 bool
1660
1661config SYS_HAS_CPU_R4300
1662 bool
1663
1664config SYS_HAS_CPU_R4X00
1665 bool
1666
1667config SYS_HAS_CPU_TX49XX
1668 bool
1669
1670config SYS_HAS_CPU_R5000
1671 bool
1672
1673config SYS_HAS_CPU_R5432
1674 bool
1675
542c1020
SK
1676config SYS_HAS_CPU_R5500
1677 bool
1678
7cf8053b
RB
1679config SYS_HAS_CPU_R6000
1680 bool
1681
1682config SYS_HAS_CPU_NEVADA
1683 bool
1684
1685config SYS_HAS_CPU_R8000
1686 bool
1687
1688config SYS_HAS_CPU_R10000
1689 bool
1690
1691config SYS_HAS_CPU_RM7000
1692 bool
1693
7cf8053b
RB
1694config SYS_HAS_CPU_SB1
1695 bool
1696
5e683389
DD
1697config SYS_HAS_CPU_CAVIUM_OCTEON
1698 bool
1699
cd746249 1700config SYS_HAS_CPU_BMIPS
c1c0c461
KC
1701 bool
1702
fe7f62c0 1703config SYS_HAS_CPU_BMIPS32_3300
c1c0c461 1704 bool
cd746249 1705 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1706
1707config SYS_HAS_CPU_BMIPS4350
1708 bool
cd746249 1709 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1710
1711config SYS_HAS_CPU_BMIPS4380
1712 bool
cd746249 1713 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1714
1715config SYS_HAS_CPU_BMIPS5000
1716 bool
cd746249 1717 select SYS_HAS_CPU_BMIPS
c1c0c461 1718
7f058e85
J
1719config SYS_HAS_CPU_XLR
1720 bool
1721
1c773ea4
J
1722config SYS_HAS_CPU_XLP
1723 bool
1724
b6911bba
PB
1725config MIPS_MALTA_PM
1726 depends on MIPS_MALTA
1727 depends on PCI
1728 bool
1729 default y
1730
17099b11
RB
1731#
1732# CPU may reorder R->R, R->W, W->R, W->W
1733# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1734#
0004a9df
RB
1735config WEAK_ORDERING
1736 bool
17099b11
RB
1737
1738#
1739# CPU may reorder reads and writes beyond LL/SC
1740# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1741#
1742config WEAK_REORDERING_BEYOND_LLSC
1743 bool
5e83d430
RB
1744endmenu
1745
1746#
c09b47d8 1747# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1748#
1749config CPU_MIPS32
1750 bool
1751 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1752
1753config CPU_MIPS64
1754 bool
1755 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1756
1757#
c09b47d8 1758# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1759#
1760config CPU_MIPSR1
1761 bool
1762 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1763
1764config CPU_MIPSR2
1765 bool
a86c7f72 1766 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430 1767
a6e18781
LY
1768config EVA
1769 bool
1770
5e83d430
RB
1771config SYS_SUPPORTS_32BIT_KERNEL
1772 bool
1773config SYS_SUPPORTS_64BIT_KERNEL
1774 bool
1775config CPU_SUPPORTS_32BIT_KERNEL
1776 bool
1777config CPU_SUPPORTS_64BIT_KERNEL
1778 bool
55045ff5
WZ
1779config CPU_SUPPORTS_CPUFREQ
1780 bool
1781config CPU_SUPPORTS_ADDRWINCFG
1782 bool
9cffd154
DD
1783config CPU_SUPPORTS_HUGEPAGES
1784 bool
22f1fdfd
WZ
1785config CPU_SUPPORTS_UNCACHED_ACCELERATED
1786 bool
82622284
DD
1787config MIPS_PGD_C0_CONTEXT
1788 bool
d6504846 1789 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
5e83d430 1790
8192c9ea
DD
1791#
1792# Set to y for ptrace access to watch registers.
1793#
1794config HARDWARE_WATCHPOINTS
1795 bool
f839490a 1796 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1797
5e83d430
RB
1798menu "Kernel type"
1799
1800choice
5e83d430
RB
1801 prompt "Kernel code model"
1802 help
1803 You should only select this option if you have a workload that
1804 actually benefits from 64-bit processing or if your machine has
1805 large memory. You will only be presented a single option in this
1806 menu if your system does not support both 32-bit and 64-bit kernels.
1807
1808config 32BIT
1809 bool "32-bit kernel"
1810 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1811 select TRAD_SIGNALS
1812 help
1813 Select this option if you want to build a 32-bit kernel.
1814config 64BIT
1815 bool "64-bit kernel"
1816 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1817 help
1818 Select this option if you want to build a 64-bit kernel.
1819
1820endchoice
1821
2235a54d
SL
1822config KVM_GUEST
1823 bool "KVM Guest Kernel"
f2a5b1d7 1824 depends on BROKEN_ON_SMP
2235a54d
SL
1825 help
1826 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1827
eda3d33c
JH
1828config KVM_GUEST_TIMER_FREQ
1829 int "Count/Compare Timer Frequency (MHz)"
2235a54d 1830 depends on KVM_GUEST
eda3d33c 1831 default 100
2235a54d 1832 help
eda3d33c
JH
1833 Set this to non-zero if building a guest kernel for KVM to skip RTC
1834 emulation when determining guest CPU Frequency. Instead, the guest's
1835 timer frequency is specified directly.
2235a54d 1836
1da177e4
LT
1837choice
1838 prompt "Kernel page size"
1839 default PAGE_SIZE_4KB
1840
1841config PAGE_SIZE_4KB
1842 bool "4kB"
0e476d91 1843 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1da177e4
LT
1844 help
1845 This option select the standard 4kB Linux page size. On some
1846 R3000-family processors this is the only available page size. Using
1847 4kB page size will minimize memory consumption and is therefore
1848 recommended for low memory systems.
1849
1850config PAGE_SIZE_8KB
1851 bool "8kB"
7d60717e 1852 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1da177e4
LT
1853 help
1854 Using 8kB page size will result in higher performance kernel at
1855 the price of higher memory consumption. This option is available
c52399be
RB
1856 only on R8000 and cnMIPS processors. Note that you will need a
1857 suitable Linux distribution to support this.
1da177e4
LT
1858
1859config PAGE_SIZE_16KB
1860 bool "16kB"
714bfad6 1861 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1862 help
1863 Using 16kB page size will result in higher performance kernel at
1864 the price of higher memory consumption. This option is available on
714bfad6
RB
1865 all non-R3000 family processors. Note that you will need a suitable
1866 Linux distribution to support this.
1da177e4 1867
c52399be
RB
1868config PAGE_SIZE_32KB
1869 bool "32kB"
1870 depends on CPU_CAVIUM_OCTEON
1871 help
1872 Using 32kB page size will result in higher performance kernel at
1873 the price of higher memory consumption. This option is available
1874 only on cnMIPS cores. Note that you will need a suitable Linux
1875 distribution to support this.
1876
1da177e4
LT
1877config PAGE_SIZE_64KB
1878 bool "64kB"
7d60717e 1879 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1880 help
1881 Using 64kB page size will result in higher performance kernel at
1882 the price of higher memory consumption. This option is available on
1883 all non-R3000 family processor. Not that at the time of this
714bfad6 1884 writing this option is still high experimental.
1da177e4
LT
1885
1886endchoice
1887
c9bace7c
DD
1888config FORCE_MAX_ZONEORDER
1889 int "Maximum zone order"
e4362d1e
AS
1890 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1891 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
1892 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1893 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
1894 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
1895 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
c9bace7c
DD
1896 range 11 64
1897 default "11"
1898 help
1899 The kernel memory allocator divides physically contiguous memory
1900 blocks into "zones", where each zone is a power of two number of
1901 pages. This option selects the largest power of two that the kernel
1902 keeps in the memory allocator. If you need to allocate very large
1903 blocks of physically contiguous memory, then you may need to
1904 increase this value.
1905
1906 This config option is actually maximum order plus one. For example,
1907 a value of 11 means that the largest free memory block is 2^10 pages.
1908
1909 The page size is not necessarily 4KB. Keep this in mind
1910 when choosing a value for this option.
1911
1da177e4
LT
1912config BOARD_SCACHE
1913 bool
1914
1915config IP22_CPU_SCACHE
1916 bool
1917 select BOARD_SCACHE
1918
9318c51a
CD
1919#
1920# Support for a MIPS32 / MIPS64 style S-caches
1921#
1922config MIPS_CPU_SCACHE
1923 bool
1924 select BOARD_SCACHE
1925
1da177e4
LT
1926config R5000_CPU_SCACHE
1927 bool
1928 select BOARD_SCACHE
1929
1930config RM7000_CPU_SCACHE
1931 bool
1932 select BOARD_SCACHE
1933
1934config SIBYTE_DMA_PAGEOPS
1935 bool "Use DMA to clear/copy pages"
1936 depends on CPU_SB1
1937 help
1938 Instead of using the CPU to zero and copy pages, use a Data Mover
1939 channel. These DMA channels are otherwise unused by the standard
1940 SiByte Linux port. Seems to give a small performance benefit.
1941
1942config CPU_HAS_PREFETCH
c8094b53 1943 bool
1da177e4 1944
3165c846
FF
1945config CPU_GENERIC_DUMP_TLB
1946 bool
1947 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1948
91405eb6
FF
1949config CPU_R4K_FPU
1950 bool
1951 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1952
62cedc4f
FF
1953config CPU_R4K_CACHE_TLB
1954 bool
1955 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1956
59d6ab86 1957config MIPS_MT_SMP
a92b7f87 1958 bool "MIPS MT SMP support (1 TC on each available VPE)"
f41ae0b2 1959 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1960 select CPU_MIPSR2_IRQ_VI
d725cf38 1961 select CPU_MIPSR2_IRQ_EI
c080faa5 1962 select SYNC_R4K
0c2cb004 1963 select MIPS_GIC_IPI
f41ae0b2 1964 select MIPS_MT
41c594ab 1965 select SMP
87353d8a 1966 select SMP_UP
c080faa5
SH
1967 select SYS_SUPPORTS_SMP
1968 select SYS_SUPPORTS_SCHED_SMT
399aaa25 1969 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 1970 help
c080faa5
SH
1971 This is a kernel model which is known as SMVP. This is supported
1972 on cores with the MT ASE and uses the available VPEs to implement
1973 virtual processors which supports SMP. This is equivalent to the
1974 Intel Hyperthreading feature. For further information go to
1975 <http://www.imgtec.com/mips/mips-multithreading.asp>.
41c594ab 1976
f41ae0b2
RB
1977config MIPS_MT
1978 bool
1979
0ab7aefc
RB
1980config SCHED_SMT
1981 bool "SMT (multithreading) scheduler support"
1982 depends on SYS_SUPPORTS_SCHED_SMT
1983 default n
1984 help
1985 SMT scheduler support improves the CPU scheduler's decision making
1986 when dealing with MIPS MT enabled cores at a cost of slightly
1987 increased overhead in some places. If unsure say N here.
1988
1989config SYS_SUPPORTS_SCHED_SMT
1990 bool
1991
f41ae0b2
RB
1992config SYS_SUPPORTS_MULTITHREADING
1993 bool
1994
f088fc84
RB
1995config MIPS_MT_FPAFF
1996 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1997 default y
b633648c 1998 depends on MIPS_MT_SMP
07cc0c9e
RB
1999
2000config MIPS_VPE_LOADER
2001 bool "VPE loader support."
704e6460 2002 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
07cc0c9e
RB
2003 select CPU_MIPSR2_IRQ_VI
2004 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
2005 select MIPS_MT
2006 help
2007 Includes a loader for loading an elf relocatable object
2008 onto another VPE and running it.
f088fc84 2009
17a1d523
DCZ
2010config MIPS_VPE_LOADER_CMP
2011 bool
2012 default "y"
2013 depends on MIPS_VPE_LOADER && MIPS_CMP
2014
1a2a6d7e
DCZ
2015config MIPS_VPE_LOADER_MT
2016 bool
2017 default "y"
2018 depends on MIPS_VPE_LOADER && !MIPS_CMP
2019
e01402b1
RB
2020config MIPS_VPE_LOADER_TOM
2021 bool "Load VPE program into memory hidden from linux"
2022 depends on MIPS_VPE_LOADER
2023 default y
2024 help
2025 The loader can use memory that is present but has been hidden from
2026 Linux using the kernel command line option "mem=xxMB". It's up to
2027 you to ensure the amount you put in the option and the space your
2028 program requires is less or equal to the amount physically present.
2029
e01402b1 2030config MIPS_VPE_APSP_API
5e83d430
RB
2031 bool "Enable support for AP/SP API (RTLX)"
2032 depends on MIPS_VPE_LOADER
2033 help
e01402b1 2034
da615cf6
DCZ
2035config MIPS_VPE_APSP_API_CMP
2036 bool
2037 default "y"
2038 depends on MIPS_VPE_APSP_API && MIPS_CMP
2039
2c973ef0
DCZ
2040config MIPS_VPE_APSP_API_MT
2041 bool
2042 default "y"
2043 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2044
4a16ff4c 2045config MIPS_CMP
5cac93b3 2046 bool "MIPS CMP framework support (DEPRECATED)"
b633648c 2047 depends on SYS_SUPPORTS_MIPS_CMP
72e20142 2048 select MIPS_GIC_IPI
b10b43ba 2049 select SMP
eb9b5141 2050 select SYNC_R4K
b10b43ba 2051 select SYS_SUPPORTS_SMP
4a16ff4c
RB
2052 select WEAK_ORDERING
2053 default n
2054 help
044505c7
PB
2055 Select this if you are using a bootloader which implements the "CMP
2056 framework" protocol (ie. YAMON) and want your kernel to make use of
2057 its ability to start secondary CPUs.
4a16ff4c 2058
5cac93b3
PB
2059 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2060 instead of this.
2061
0ee958e1
PB
2062config MIPS_CPS
2063 bool "MIPS Coherent Processing System support"
2064 depends on SYS_SUPPORTS_MIPS_CPS
2065 select MIPS_CM
2066 select MIPS_CPC
1d8f1f5a 2067 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2068 select MIPS_GIC_IPI
2069 select SMP
2070 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2071 select SYS_SUPPORTS_HOTPLUG_CPU
0ee958e1
PB
2072 select SYS_SUPPORTS_SMP
2073 select WEAK_ORDERING
2074 help
2075 Select this if you wish to run an SMP kernel across multiple cores
2076 within a MIPS Coherent Processing System. When this option is
2077 enabled the kernel will probe for other cores and boot them with
2078 no external assistance. It is safe to enable this when hardware
2079 support is unavailable.
2080
3179d37e 2081config MIPS_CPS_PM
39a59593 2082 depends on MIPS_CPS
a8b84677 2083 select MIPS_CPC
3179d37e
PB
2084 bool
2085
72e20142
PB
2086config MIPS_GIC_IPI
2087 bool
2088
9f98f3dd
PB
2089config MIPS_CM
2090 bool
2091
9c38cf44
PB
2092config MIPS_CPC
2093 bool
4a16ff4c 2094
1da177e4
LT
2095config SB1_PASS_1_WORKAROUNDS
2096 bool
2097 depends on CPU_SB1_PASS_1
2098 default y
2099
2100config SB1_PASS_2_WORKAROUNDS
2101 bool
2102 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2103 default y
2104
2105config SB1_PASS_2_1_WORKAROUNDS
2106 bool
2107 depends on CPU_SB1 && CPU_SB1_PASS_2
2108 default y
2109
2235a54d 2110
1da177e4 2111config 64BIT_PHYS_ADDR
d806cb2b 2112 bool
1da177e4 2113
60ec6571 2114config ARCH_PHYS_ADDR_T_64BIT
2115 def_bool 64BIT_PHYS_ADDR
2116
9693a853
FBH
2117config CPU_HAS_SMARTMIPS
2118 depends on SYS_SUPPORTS_SMARTMIPS
2119 bool "Support for the SmartMIPS ASE"
2120 help
2121 SmartMIPS is a extension of the MIPS32 architecture aimed at
2122 increased security at both hardware and software level for
2123 smartcards. Enabling this option will allow proper use of the
2124 SmartMIPS instructions by Linux applications. However a kernel with
2125 this option will not work on a MIPS core without SmartMIPS core. If
2126 you don't know you probably don't have SmartMIPS and should say N
2127 here.
2128
bce86083
SH
2129config CPU_MICROMIPS
2130 depends on SYS_SUPPORTS_MICROMIPS
2131 bool "Build kernel using microMIPS ISA"
2132 help
2133 When this option is enabled the kernel will be built using the
2134 microMIPS ISA
2135
a5e9a69e 2136config CPU_HAS_MSA
4af94d5d 2137 bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
a5e9a69e 2138 depends on CPU_SUPPORTS_MSA
2a6cb669 2139 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2140 help
2141 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2142 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2143 is enabled the kernel will support allocating & switching MSA
2144 vector register contexts. If you know that your kernel will only be
2145 running on CPUs which do not support MSA or that your userland will
2146 not be making use of it then you may wish to say N here to reduce
2147 the size & complexity of your kernel.
a5e9a69e
PB
2148
2149 If unsure, say Y.
2150
1da177e4 2151config CPU_HAS_WB
f7062ddb 2152 bool
e01402b1 2153
df0ac8a4
KC
2154config XKS01
2155 bool
2156
f41ae0b2
RB
2157#
2158# Vectored interrupt mode is an R2 feature
2159#
e01402b1 2160config CPU_MIPSR2_IRQ_VI
f41ae0b2 2161 bool
e01402b1 2162
f41ae0b2
RB
2163#
2164# Extended interrupt mode is an R2 feature
2165#
e01402b1 2166config CPU_MIPSR2_IRQ_EI
f41ae0b2 2167 bool
e01402b1 2168
1da177e4
LT
2169config CPU_HAS_SYNC
2170 bool
2171 depends on !CPU_R3000
2172 default y
2173
20d60d99
MR
2174#
2175# CPU non-features
2176#
2177config CPU_DADDI_WORKAROUNDS
2178 bool
2179
2180config CPU_R4000_WORKAROUNDS
2181 bool
2182 select CPU_R4400_WORKAROUNDS
2183
2184config CPU_R4400_WORKAROUNDS
2185 bool
2186
1da177e4
LT
2187#
2188# - Highmem only makes sense for the 32-bit kernel.
2189# - The current highmem code will only work properly on physically indexed
2190# caches such as R3000, SB1, R7000 or those that look like they're virtually
2191# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2192# moment we protect the user and offer the highmem option only on machines
2193# where it's known to be safe. This will not offer highmem on a few systems
2194# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2195# indexed CPUs but we're playing safe.
797798c1
RB
2196# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2197# know they might have memory configurations that could make use of highmem
2198# support.
1da177e4
LT
2199#
2200config HIGHMEM
2201 bool "High Memory Support"
a6e18781 2202 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2203
2204config CPU_SUPPORTS_HIGHMEM
2205 bool
2206
2207config SYS_SUPPORTS_HIGHMEM
2208 bool
1da177e4 2209
9693a853
FBH
2210config SYS_SUPPORTS_SMARTMIPS
2211 bool
2212
a6a4834c
SH
2213config SYS_SUPPORTS_MICROMIPS
2214 bool
2215
377cb1b6
RB
2216config SYS_SUPPORTS_MIPS16
2217 bool
2218 help
2219 This option must be set if a kernel might be executed on a MIPS16-
2220 enabled CPU even if MIPS16 is not actually being used. In other
2221 words, it makes the kernel MIPS16-tolerant.
2222
a5e9a69e
PB
2223config CPU_SUPPORTS_MSA
2224 bool
2225
b4819b59
YY
2226config ARCH_FLATMEM_ENABLE
2227 def_bool y
f133f22d 2228 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2229
d8cb4e11
RB
2230config ARCH_DISCONTIGMEM_ENABLE
2231 bool
2232 default y if SGI_IP27
2233 help
3dde6ad8 2234 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2235 for architectures which are either NUMA (Non-Uniform Memory Access)
2236 or have huge holes in the physical address space for other reasons.
2237 See <file:Documentation/vm/numa> for more.
2238
31473747
AN
2239config ARCH_SPARSEMEM_ENABLE
2240 bool
7de58fab 2241 select SPARSEMEM_STATIC
31473747 2242
d8cb4e11
RB
2243config NUMA
2244 bool "NUMA Support"
2245 depends on SYS_SUPPORTS_NUMA
2246 help
2247 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2248 Access). This option improves performance on systems with more
2249 than two nodes; on two node systems it is generally better to
2250 leave it disabled; on single node systems disable this option
2251 disabled.
2252
2253config SYS_SUPPORTS_NUMA
2254 bool
2255
c80d79d7
YG
2256config NODES_SHIFT
2257 int
2258 default "6"
2259 depends on NEED_MULTIPLE_NODES
2260
14f70012
DCZ
2261config HW_PERF_EVENTS
2262 bool "Enable hardware performance counter support for perf events"
b633648c 2263 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DCZ
2264 default y
2265 help
2266 Enable hardware performance counter support for perf events. If
2267 disabled, perf events will use software events only.
2268
b4819b59
YY
2269source "mm/Kconfig"
2270
1da177e4
LT
2271config SMP
2272 bool "Multi-Processing support"
e73ea273
RB
2273 depends on SYS_SUPPORTS_SMP
2274 help
1da177e4 2275 This enables support for systems with more than one CPU. If you have
4a474157
RG
2276 a system with only one CPU, say N. If you have a system with more
2277 than one CPU, say Y.
1da177e4 2278
4a474157 2279 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2280 machines, but will use only one CPU of a multiprocessor machine. If
2281 you say Y here, the kernel will run on many, but not all,
4a474157 2282 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2283 will run faster if you say N here.
2284
2285 People using multiprocessor machines who say Y here should also say
2286 Y to "Enhanced Real Time Clock Support", below.
2287
03502faa
AB
2288 See also the SMP-HOWTO available at
2289 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2290
2291 If you don't know what to do here, say N.
2292
87353d8a
RB
2293config SMP_UP
2294 bool
2295
4a16ff4c
RB
2296config SYS_SUPPORTS_MIPS_CMP
2297 bool
2298
0ee958e1
PB
2299config SYS_SUPPORTS_MIPS_CPS
2300 bool
2301
e73ea273
RB
2302config SYS_SUPPORTS_SMP
2303 bool
2304
130e2fb7
RB
2305config NR_CPUS_DEFAULT_4
2306 bool
2307
2308config NR_CPUS_DEFAULT_8
2309 bool
2310
2311config NR_CPUS_DEFAULT_16
2312 bool
2313
2314config NR_CPUS_DEFAULT_32
2315 bool
2316
2317config NR_CPUS_DEFAULT_64
2318 bool
2319
1da177e4 2320config NR_CPUS
a91796a9
J
2321 int "Maximum number of CPUs (2-256)"
2322 range 2 256
1da177e4 2323 depends on SMP
130e2fb7
RB
2324 default "4" if NR_CPUS_DEFAULT_4
2325 default "8" if NR_CPUS_DEFAULT_8
2326 default "16" if NR_CPUS_DEFAULT_16
2327 default "32" if NR_CPUS_DEFAULT_32
2328 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2329 help
2330 This allows you to specify the maximum number of CPUs which this
2331 kernel will support. The maximum supported value is 32 for 32-bit
2332 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2333 sense is 1 for Qemu (useful only for kernel debugging purposes)
2334 and 2 for all others.
1da177e4
LT
2335
2336 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2337 approximately eight kilobytes to the kernel image. For best
2338 performance should round up your number of processors to the next
2339 power of two.
1da177e4 2340
399aaa25
AC
2341config MIPS_PERF_SHARED_TC_COUNTERS
2342 bool
2343
1723b4a3
AN
2344#
2345# Timer Interrupt Frequency Configuration
2346#
2347
2348choice
2349 prompt "Timer frequency"
2350 default HZ_250
2351 help
2352 Allows the configuration of the timer frequency.
2353
2354 config HZ_48
0f873585 2355 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2356
2357 config HZ_100
2358 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2359
2360 config HZ_128
2361 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2362
2363 config HZ_250
2364 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2365
2366 config HZ_256
2367 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2368
2369 config HZ_1000
2370 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2371
2372 config HZ_1024
2373 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2374
2375endchoice
2376
2377config SYS_SUPPORTS_48HZ
2378 bool
2379
2380config SYS_SUPPORTS_100HZ
2381 bool
2382
2383config SYS_SUPPORTS_128HZ
2384 bool
2385
2386config SYS_SUPPORTS_250HZ
2387 bool
2388
2389config SYS_SUPPORTS_256HZ
2390 bool
2391
2392config SYS_SUPPORTS_1000HZ
2393 bool
2394
2395config SYS_SUPPORTS_1024HZ
2396 bool
2397
2398config SYS_SUPPORTS_ARBIT_HZ
2399 bool
2400 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2401 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2402 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2403 !SYS_SUPPORTS_1024HZ
2404
2405config HZ
2406 int
2407 default 48 if HZ_48
2408 default 100 if HZ_100
2409 default 128 if HZ_128
2410 default 250 if HZ_250
2411 default 256 if HZ_256
2412 default 1000 if HZ_1000
2413 default 1024 if HZ_1024
2414
e80de850 2415source "kernel/Kconfig.preempt"
1da177e4 2416
ea6e942b 2417config KEXEC
7d60717e 2418 bool "Kexec system call"
ea6e942b
AN
2419 help
2420 kexec is a system call that implements the ability to shutdown your
2421 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2422 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2423 you can start any kernel with it, not just Linux.
2424
01dd2fbf 2425 The name comes from the similarity to the exec system call.
ea6e942b
AN
2426
2427 It is an ongoing process to be certain the hardware in a machine
2428 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2429 initially work for you. As of this writing the exact hardware
2430 interface is strongly in flux, so no good recommendation can be
2431 made.
ea6e942b 2432
7aa1c8f4
RB
2433config CRASH_DUMP
2434 bool "Kernel crash dumps"
2435 help
2436 Generate crash dump after being started by kexec.
2437 This should be normally only set in special crash dump kernels
2438 which are loaded in the main kernel with kexec-tools into
2439 a specially reserved region and then later executed after
2440 a crash by kdump/kexec. The crash dump kernel must be compiled
2441 to a memory address not used by the main kernel or firmware using
2442 PHYSICAL_START.
2443
2444config PHYSICAL_START
2445 hex "Physical address where the kernel is loaded"
2446 default "0xffffffff84000000" if 64BIT
2447 default "0x84000000" if 32BIT
2448 depends on CRASH_DUMP
2449 help
2450 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2451 If you plan to use kernel for capturing the crash dump change
2452 this value to start of the reserved region (the "X" value as
2453 specified in the "crashkernel=YM@XM" command line boot parameter
2454 passed to the panic-ed kernel).
2455
ea6e942b
AN
2456config SECCOMP
2457 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2458 depends on PROC_FS
ea6e942b
AN
2459 default y
2460 help
2461 This kernel feature is useful for number crunching applications
2462 that may need to compute untrusted bytecode during their
2463 execution. By using pipes or other transports made available to
2464 the process as file descriptors supporting the read/write
2465 syscalls, it's possible to isolate those applications in
2466 their own address space using seccomp. Once seccomp is
2467 enabled via /proc/<pid>/seccomp, it cannot be disabled
2468 and the task is only allowed to execute a few safe syscalls
2469 defined by each seccomp mode.
2470
2471 If unsure, say Y. Only embedded should say N here.
2472
597ce172 2473config MIPS_O32_FP64_SUPPORT
06e2e882 2474 bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
597ce172 2475 depends on 32BIT || MIPS32_O32
597ce172
PB
2476 help
2477 When this is enabled, the kernel will support use of 64-bit floating
2478 point registers with binaries using the O32 ABI along with the
2479 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2480 32-bit MIPS systems this support is at the cost of increasing the
2481 size and complexity of the compiled FPU emulator. Thus if you are
2482 running a MIPS32 system and know that none of your userland binaries
2483 will require 64-bit floating point, you may wish to reduce the size
2484 of your kernel & potentially improve FP emulation performance by
2485 saying N here.
2486
06e2e882
PB
2487 Although binutils currently supports use of this flag the details
2488 concerning its effect upon the O32 ABI in userland are still being
2489 worked on. In order to avoid userland becoming dependant upon current
2490 behaviour before the details have been finalised, this option should
2491 be considered experimental and only enabled by those working upon
2492 said details.
2493
2494 If unsure, say N.
597ce172 2495
f2ffa5ab 2496config USE_OF
0b3e06fd 2497 bool
f2ffa5ab 2498 select OF
e6ce1324 2499 select OF_EARLY_FLATTREE
abd2363f 2500 select IRQ_DOMAIN
f2ffa5ab 2501
7fafb068
AB
2502config BUILTIN_DTB
2503 bool
2504
5e83d430
RB
2505endmenu
2506
1df0f0ff
AN
2507config LOCKDEP_SUPPORT
2508 bool
2509 default y
2510
2511config STACKTRACE_SUPPORT
2512 bool
2513 default y
2514
b6c3539b
RB
2515source "init/Kconfig"
2516
dc52ddc0
MH
2517source "kernel/Kconfig.freezer"
2518
1da177e4
LT
2519menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2520
5e83d430
RB
2521config HW_HAS_EISA
2522 bool
1da177e4
LT
2523config HW_HAS_PCI
2524 bool
2525
2526config PCI
2527 bool "Support for PCI controller"
2528 depends on HW_HAS_PCI
abb4ae46 2529 select PCI_DOMAINS
0f3b3956 2530 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2531 help
2532 Find out whether you have a PCI motherboard. PCI is the name of a
2533 bus system, i.e. the way the CPU talks to the other stuff inside
2534 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2535 say Y, otherwise N.
2536
0e476d91
HC
2537config HT_PCI
2538 bool "Support for HT-linked PCI"
2539 default y
2540 depends on CPU_LOONGSON3
2541 select PCI
2542 select PCI_DOMAINS
2543 help
2544 Loongson family machines use Hyper-Transport bus for inter-core
2545 connection and device connection. The PCI bus is a subordinate
2546 linked at HT. Choose Y for Loongson-3 based machines.
2547
1da177e4
LT
2548config PCI_DOMAINS
2549 bool
1da177e4
LT
2550
2551source "drivers/pci/Kconfig"
2552
3f787ca4
JG
2553source "drivers/pci/pcie/Kconfig"
2554
1da177e4
LT
2555#
2556# ISA support is now enabled via select. Too many systems still have the one
2557# or other ISA chip on the board that users don't know about so don't expect
2558# users to choose the right thing ...
2559#
2560config ISA
2561 bool
2562
2563config EISA
2564 bool "EISA support"
5e83d430 2565 depends on HW_HAS_EISA
1da177e4 2566 select ISA
aa414dff 2567 select GENERIC_ISA_DMA
1da177e4
LT
2568 ---help---
2569 The Extended Industry Standard Architecture (EISA) bus was
2570 developed as an open alternative to the IBM MicroChannel bus.
2571
2572 The EISA bus provided some of the features of the IBM MicroChannel
2573 bus while maintaining backward compatibility with cards made for
2574 the older ISA bus. The EISA bus saw limited use between 1988 and
2575 1995 when it was made obsolete by the PCI bus.
2576
2577 Say Y here if you are building a kernel for an EISA-based machine.
2578
2579 Otherwise, say N.
2580
2581source "drivers/eisa/Kconfig"
2582
2583config TC
2584 bool "TURBOchannel support"
2585 depends on MACH_DECSTATION
2586 help
50a23e6e
JM
2587 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2588 processors. TURBOchannel programming specifications are available
2589 at:
2590 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2591 and:
2592 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2593 Linux driver support status is documented at:
2594 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2595
1da177e4
LT
2596config MMU
2597 bool
2598 default y
2599
d865bea4
RB
2600config I8253
2601 bool
798778b8 2602 select CLKSRC_I8253
2d02612f 2603 select CLKEVT_I8253
9726b43a 2604 select MIPS_EXTERNAL_TIMER
d865bea4 2605
e05eb3f8
RB
2606config ZONE_DMA
2607 bool
2608
cce335ae
RB
2609config ZONE_DMA32
2610 bool
2611
1da177e4
LT
2612source "drivers/pcmcia/Kconfig"
2613
2614source "drivers/pci/hotplug/Kconfig"
2615
388b78ad 2616config RAPIDIO
56abde72 2617 tristate "RapidIO support"
388b78ad
AB
2618 depends on PCI
2619 default n
2620 help
2621 If you say Y here, the kernel will include drivers and
2622 infrastructure code to support RapidIO interconnect devices.
2623
2624source "drivers/rapidio/Kconfig"
2625
1da177e4
LT
2626endmenu
2627
2628menu "Executable file formats"
2629
2630source "fs/Kconfig.binfmt"
2631
2632config TRAD_SIGNALS
2633 bool
1da177e4 2634
1da177e4
LT
2635config MIPS32_COMPAT
2636 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2637 depends on 64BIT
1da177e4
LT
2638 help
2639 Select this option if you want Linux/MIPS 32-bit binary
2640 compatibility. Since all software available for Linux/MIPS is
2641 currently 32-bit you should say Y here.
2642
2643config COMPAT
2644 bool
2645 depends on MIPS32_COMPAT
48b25c43 2646 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2647 default y
2648
05e43966
AN
2649config SYSVIPC_COMPAT
2650 bool
2651 depends on COMPAT && SYSVIPC
2652 default y
2653
1da177e4
LT
2654config MIPS32_O32
2655 bool "Kernel support for o32 binaries"
2656 depends on MIPS32_COMPAT
2657 help
2658 Select this option if you want to run o32 binaries. These are pure
2659 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2660 existing binaries are in this format.
2661
2662 If unsure, say Y.
2663
2664config MIPS32_N32
2665 bool "Kernel support for n32 binaries"
2666 depends on MIPS32_COMPAT
2667 help
2668 Select this option if you want to run n32 binaries. These are
2669 64-bit binaries using 32-bit quantities for addressing and certain
2670 data that would normally be 64-bit. They are used in special
2671 cases.
2672
2673 If unsure, say N.
2674
2675config BINFMT_ELF32
2676 bool
2677 default y if MIPS32_O32 || MIPS32_N32
2678
2116245e
RB
2679endmenu
2680
2681menu "Power management options"
2682
363c55ca
WZ
2683config ARCH_HIBERNATION_POSSIBLE
2684 def_bool y
3f5b3e17 2685 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2686
f4cb5700
JB
2687config ARCH_SUSPEND_POSSIBLE
2688 def_bool y
3f5b3e17 2689 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2690
2116245e 2691source "kernel/power/Kconfig"
952fa954 2692
1da177e4
LT
2693endmenu
2694
7a998935
VK
2695config MIPS_EXTERNAL_TIMER
2696 bool
2697
7a998935 2698menu "CPU Power Management"
c095ebaf
PB
2699
2700if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 2701source "drivers/cpufreq/Kconfig"
7a998935 2702endif
9726b43a 2703
c095ebaf
PB
2704source "drivers/cpuidle/Kconfig"
2705
2706endmenu
2707
d5950b43
SR
2708source "net/Kconfig"
2709
1da177e4
LT
2710source "drivers/Kconfig"
2711
98cdee0e
RB
2712source "drivers/firmware/Kconfig"
2713
1da177e4
LT
2714source "fs/Kconfig"
2715
2716source "arch/mips/Kconfig.debug"
2717
2718source "security/Kconfig"
2719
2720source "crypto/Kconfig"
2721
2722source "lib/Kconfig"
2235a54d
SL
2723
2724source "arch/mips/kvm/Kconfig"
This page took 1.057071 seconds and 5 git commands to generate.