Documentation/filesystems/00-INDEX: updates
[deliverable/linux.git] / arch / mips / Kconfig
CommitLineData
1da177e4
LT
1config MIPS
2 bool
3 default y
a862a426 4 select ARCH_MIGHT_HAVE_PC_PARPORT
c3fc5cd5 5 select HAVE_CONTEXT_TRACKING
f8ac0425 6 select HAVE_GENERIC_DMA_COHERENT
ec7748b5 7 select HAVE_IDE
42d4b839 8 select HAVE_OPROFILE
7f788d2d
DCZ
9 select HAVE_PERF_EVENTS
10 select PERF_USE_VMALLOC
88547001 11 select HAVE_ARCH_KGDB
c0ff3c53 12 select HAVE_ARCH_TRACEHOOK
7563bbf8 13 select ARCH_HAVE_CUSTOM_GPIO_H
d2bb0762 14 select HAVE_FUNCTION_TRACER
69a7d1b3 15 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
538f1952
WZ
16 select HAVE_DYNAMIC_FTRACE
17 select HAVE_FTRACE_MCOUNT_RECORD
64575f91 18 select HAVE_C_RECORDMCOUNT
29c5d346 19 select HAVE_FUNCTION_GRAPH_TRACER
c1bf207d
DD
20 select HAVE_KPROBES
21 select HAVE_KRETPROBES
b69ec42b 22 select HAVE_DEBUG_KMEMLEAK
1d7bf993 23 select HAVE_SYSCALL_TRACEPOINTS
e26d196c 24 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
383c97b4 25 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
21a41faa 26 select RTC_LIB if !MACH_LOONGSON
2b78920d 27 select GENERIC_ATOMIC64 if !64BIT
7463449b 28 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
48e1fd5a
DD
29 select HAVE_DMA_ATTRS
30 select HAVE_DMA_API_DEBUG
3bd27e32 31 select GENERIC_IRQ_PROBE
f8396c17 32 select GENERIC_IRQ_SHOW
78857614 33 select GENERIC_PCI_IOMAP
94bb0c1a 34 select HAVE_ARCH_JUMP_LABEL
c1d7e01d 35 select ARCH_WANT_IPC_PARSE_VERSION
0f462e3c 36 select IRQ_FORCED_THREADING
9d15ffc8
TH
37 select HAVE_MEMBLOCK
38 select HAVE_MEMBLOCK_NODE_MAP
39 select ARCH_DISCARD_MEMBLOCK
360014a3 40 select GENERIC_SMP_IDLE_THREAD
4b054495 41 select BUILDTIME_EXTABLE_SORT
cde1794b
AMG
42 select GENERIC_CLOCKEVENTS
43 select GENERIC_CMOS_UPDATE
786d35d4 44 select HAVE_MOD_ARCH_SPECIFIC
4febd95a 45 select VIRT_TO_BUS
2f12fb20
JK
46 select MODULES_USE_ELF_REL if MODULES
47 select MODULES_USE_ELF_RELA if MODULES && 64BIT
50150d2b 48 select CLONE_BACKWARDS
d1a1dc0b 49 select HAVE_DEBUG_STACKOVERFLOW
19952a92 50 select HAVE_CC_STACKPROTECTOR
1da177e4 51
1da177e4
LT
52menu "Machine selection"
53
5e83d430
RB
54choice
55 prompt "System type"
56 default SGI_IP22
1da177e4 57
42a4f17d 58config MIPS_ALCHEMY
c3543e25 59 bool "Alchemy processor based machines"
42a4f17d 60 select 64BIT_PHYS_ADDR
f772cdb2 61 select CEVT_R4K
d7ea335c 62 select CSRC_R4K
42a4f17d
ML
63 select IRQ_CPU
64 select SYS_HAS_CPU_MIPS32_R1
65 select SYS_SUPPORTS_32BIT_KERNEL
66 select SYS_SUPPORTS_APM_EMULATION
efb12436 67 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 68 select SYS_SUPPORTS_ZBOOT
37663860
ML
69 select USB_ARCH_HAS_OHCI
70 select USB_ARCH_HAS_EHCI
1da177e4 71
7ca5dc14
FF
72config AR7
73 bool "Texas Instruments AR7"
74 select BOOT_ELF32
75 select DMA_NONCOHERENT
76 select CEVT_R4K
77 select CSRC_R4K
78 select IRQ_CPU
79 select NO_EXCEPT_FILL
80 select SWAP_IO_SPACE
81 select SYS_HAS_CPU_MIPS32_R1
82 select SYS_HAS_EARLY_PRINTK
83 select SYS_SUPPORTS_32BIT_KERNEL
84 select SYS_SUPPORTS_LITTLE_ENDIAN
1b93b3c3 85 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 86 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 87 select VLYNQ
8551fb64 88 select HAVE_CLK
7ca5dc14
FF
89 help
90 Support for the Texas Instruments AR7 System-on-a-Chip
91 family: TNETD7100, 7200 and 7300.
92
d4a67d9d
GJ
93config ATH79
94 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 95 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
96 select BOOT_RAW
97 select CEVT_R4K
98 select CSRC_R4K
99 select DMA_NONCOHERENT
94638067 100 select HAVE_CLK
2c4f1ac5 101 select CLKDEV_LOOKUP
d4a67d9d 102 select IRQ_CPU
0aabf1a4 103 select MIPS_MACHINE
d4a67d9d
GJ
104 select SYS_HAS_CPU_MIPS32_R2
105 select SYS_HAS_EARLY_PRINTK
106 select SYS_SUPPORTS_32BIT_KERNEL
107 select SYS_SUPPORTS_BIG_ENDIAN
108 help
109 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
110
1c0c13eb 111config BCM47XX
c619366e 112 bool "Broadcom BCM47XX based boards"
2da4c74d 113 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 114 select BOOT_RAW
42f77542 115 select CEVT_R4K
940f6b48 116 select CSRC_R4K
1c0c13eb 117 select DMA_NONCOHERENT
0e2794b0 118 select FW_CFE
1c0c13eb
AJ
119 select HW_HAS_PCI
120 select IRQ_CPU
314878d2 121 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 122 select NO_EXCEPT_FILL
1c0c13eb
AJ
123 select SYS_SUPPORTS_32BIT_KERNEL
124 select SYS_SUPPORTS_LITTLE_ENDIAN
25e5fb97 125 select SYS_HAS_EARLY_PRINTK
1c0c13eb
AJ
126 help
127 Support for BCM47XX based boards
128
e7300d04
MB
129config BCM63XX
130 bool "Broadcom BCM63XX based boards"
ae8de61c 131 select BOOT_RAW
e7300d04
MB
132 select CEVT_R4K
133 select CSRC_R4K
134 select DMA_NONCOHERENT
135 select IRQ_CPU
136 select SYS_HAS_CPU_MIPS32_R1
d6e34698 137 select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
e7300d04
MB
138 select SYS_SUPPORTS_32BIT_KERNEL
139 select SYS_SUPPORTS_BIG_ENDIAN
140 select SYS_HAS_EARLY_PRINTK
141 select SWAP_IO_SPACE
142 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 143 select HAVE_CLK
e7300d04
MB
144 help
145 Support for BCM63XX based boards
146
1da177e4 147config MIPS_COBALT
3fa986fa 148 bool "Cobalt Server"
42f77542 149 select CEVT_R4K
940f6b48 150 select CSRC_R4K
1097c6ac 151 select CEVT_GT641XX
1da177e4 152 select DMA_NONCOHERENT
8a8594a7 153 select EARLY_PRINTK_8250 if EARLY_PRINTK
1da177e4 154 select HW_HAS_PCI
d865bea4 155 select I8253
1da177e4
LT
156 select I8259
157 select IRQ_CPU
d5ab1a69 158 select IRQ_GT641XX
252161ec 159 select PCI_GT64XXX_PCI0
e25bfc92 160 select PCI
7cf8053b 161 select SYS_HAS_CPU_NEVADA
0a22e0d4 162 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 163 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 164 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 165 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4
LT
166
167config MACH_DECSTATION
3fa986fa 168 bool "DECstations"
1da177e4 169 select BOOT_ELF32
6457d9fc 170 select CEVT_DS1287
42f77542 171 select CEVT_R4K
4247417d 172 select CSRC_IOASIC
940f6b48 173 select CSRC_R4K
20d60d99
MR
174 select CPU_DADDI_WORKAROUNDS if 64BIT
175 select CPU_R4000_WORKAROUNDS if 64BIT
176 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 177 select DMA_NONCOHERENT
d388d685 178 select NO_IOPORT
1da177e4 179 select IRQ_CPU
7cf8053b
RB
180 select SYS_HAS_CPU_R3000
181 select SYS_HAS_CPU_R4X00
ed5ba2fb 182 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 183 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 184 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
185 select SYS_SUPPORTS_128HZ
186 select SYS_SUPPORTS_256HZ
187 select SYS_SUPPORTS_1024HZ
5e83d430 188 help
1da177e4
LT
189 This enables support for DEC's MIPS based workstations. For details
190 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
191 DECstation porting pages on <http://decstation.unix-ag.org/>.
192
193 If you have one of the following DECstation Models you definitely
194 want to choose R4xx0 for the CPU Type:
195
9308816c
RB
196 DECstation 5000/50
197 DECstation 5000/150
198 DECstation 5000/260
199 DECsystem 5900/260
1da177e4
LT
200
201 otherwise choose R3000.
202
5e83d430 203config MACH_JAZZ
3fa986fa 204 bool "Jazz family of machines"
0e2794b0
RB
205 select FW_ARC
206 select FW_ARC32
5e83d430 207 select ARCH_MAY_HAVE_PC_FDC
42f77542 208 select CEVT_R4K
940f6b48 209 select CSRC_R4K
e2defae5 210 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 211 select GENERIC_ISA_DMA
8a118c38 212 select HAVE_PCSPKR_PLATFORM
ea202c63 213 select IRQ_CPU
d865bea4 214 select I8253
5e83d430
RB
215 select I8259
216 select ISA
7cf8053b 217 select SYS_HAS_CPU_R4X00
5e83d430 218 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 219 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 220 select SYS_SUPPORTS_100HZ
1da177e4 221 help
5e83d430
RB
222 This a family of machines based on the MIPS R4030 chipset which was
223 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 224 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
225 Olivetti M700-10 workstations.
226
5ebabe59
LPC
227config MACH_JZ4740
228 bool "Ingenic JZ4740 based machines"
229 select SYS_HAS_CPU_MIPS32_R1
230 select SYS_SUPPORTS_32BIT_KERNEL
231 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 232 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
233 select DMA_NONCOHERENT
234 select IRQ_CPU
5ebabe59
LPC
235 select ARCH_REQUIRE_GPIOLIB
236 select SYS_HAS_EARLY_PRINTK
237 select HAVE_PWM
ab5330eb 238 select HAVE_CLK
83bc7692 239 select GENERIC_IRQ_CHIP
5ebabe59 240
171bb2f1
JC
241config LANTIQ
242 bool "Lantiq based platforms"
243 select DMA_NONCOHERENT
244 select IRQ_CPU
245 select CEVT_R4K
246 select CSRC_R4K
247 select SYS_HAS_CPU_MIPS32_R1
248 select SYS_HAS_CPU_MIPS32_R2
249 select SYS_SUPPORTS_BIG_ENDIAN
250 select SYS_SUPPORTS_32BIT_KERNEL
251 select SYS_SUPPORTS_MULTITHREADING
252 select SYS_HAS_EARLY_PRINTK
253 select ARCH_REQUIRE_GPIOLIB
254 select SWAP_IO_SPACE
255 select BOOT_RAW
287e3f3f
JC
256 select HAVE_MACH_CLKDEV
257 select CLKDEV_LOOKUP
a0392222 258 select USE_OF
3f8c50c9
JC
259 select PINCTRL
260 select PINCTRL_LANTIQ
171bb2f1 261
1f21d2bd
BM
262config LASAT
263 bool "LASAT Networks platforms"
42f77542 264 select CEVT_R4K
940f6b48 265 select CSRC_R4K
1f21d2bd
BM
266 select DMA_NONCOHERENT
267 select SYS_HAS_EARLY_PRINTK
268 select HW_HAS_PCI
a5ccfe5c 269 select IRQ_CPU
1f21d2bd
BM
270 select PCI_GT64XXX_PCI0
271 select MIPS_NILE4
272 select R5000_CPU_SCACHE
273 select SYS_HAS_CPU_R5000
274 select SYS_SUPPORTS_32BIT_KERNEL
275 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
276 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 277
85749d24
WZ
278config MACH_LOONGSON
279 bool "Loongson family of machines"
c7e8c668 280 select SYS_SUPPORTS_ZBOOT
ade299d8 281 help
85749d24
WZ
282 This enables the support of Loongson family of machines.
283
284 Loongson is a family of general-purpose MIPS-compatible CPUs.
285 developed at Institute of Computing Technology (ICT),
286 Chinese Academy of Sciences (CAS) in the People's Republic
287 of China. The chief architect is Professor Weiwu Hu.
ade299d8 288
ca585cf9
KC
289config MACH_LOONGSON1
290 bool "Loongson 1 family of machines"
291 select SYS_SUPPORTS_ZBOOT
292 help
293 This enables support for the Loongson 1 based machines.
294
295 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
296 the ICT (Institute of Computing Technology) and the Chinese Academy
297 of Sciences.
298
1da177e4 299config MIPS_MALTA
3fa986fa 300 bool "MIPS Malta board"
61ed242d 301 select ARCH_MAY_HAVE_PC_FDC
1da177e4 302 select BOOT_ELF32
fa71c960 303 select BOOT_RAW
42f77542 304 select CEVT_R4K
940f6b48 305 select CSRC_R4K
778eeb1b 306 select CSRC_GIC
1da177e4
LT
307 select DMA_NONCOHERENT
308 select GENERIC_ISA_DMA
8a118c38 309 select HAVE_PCSPKR_PLATFORM
aa414dff 310 select IRQ_CPU
39b8d525 311 select IRQ_GIC
1da177e4 312 select HW_HAS_PCI
d865bea4 313 select I8253
1da177e4 314 select I8259
5e83d430 315 select MIPS_BONITO64
9318c51a 316 select MIPS_CPU_SCACHE
252161ec 317 select PCI_GT64XXX_PCI0
5e83d430 318 select MIPS_MSC
1da177e4 319 select SWAP_IO_SPACE
7cf8053b
RB
320 select SYS_HAS_CPU_MIPS32_R1
321 select SYS_HAS_CPU_MIPS32_R2
322 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 323 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
324 select SYS_HAS_CPU_NEVADA
325 select SYS_HAS_CPU_RM7000
36a88530 326 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
327 select SYS_SUPPORTS_32BIT_KERNEL
328 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
329 select SYS_SUPPORTS_BIG_ENDIAN
330 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 331 select SYS_SUPPORTS_MIPS_CMP
f41ae0b2 332 select SYS_SUPPORTS_MULTITHREADING
9693a853 333 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 334 select SYS_SUPPORTS_ZBOOT
1da177e4 335 help
f638d197 336 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
337 board.
338
ec47b274
SH
339config MIPS_SEAD3
340 bool "MIPS SEAD3 board"
341 select BOOT_ELF32
342 select BOOT_RAW
343 select CEVT_R4K
344 select CSRC_R4K
dfa762e1 345 select CSRC_GIC
ec47b274
SH
346 select CPU_MIPSR2_IRQ_VI
347 select CPU_MIPSR2_IRQ_EI
348 select DMA_NONCOHERENT
349 select IRQ_CPU
350 select IRQ_GIC
ec47b274
SH
351 select MIPS_MSC
352 select SYS_HAS_CPU_MIPS32_R1
353 select SYS_HAS_CPU_MIPS32_R2
354 select SYS_HAS_CPU_MIPS64_R1
355 select SYS_HAS_EARLY_PRINTK
356 select SYS_SUPPORTS_32BIT_KERNEL
357 select SYS_SUPPORTS_64BIT_KERNEL
358 select SYS_SUPPORTS_BIG_ENDIAN
359 select SYS_SUPPORTS_LITTLE_ENDIAN
360 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 361 select SYS_SUPPORTS_MICROMIPS
ec47b274
SH
362 select USB_ARCH_HAS_EHCI
363 select USB_EHCI_BIG_ENDIAN_DESC
364 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 365 select USE_OF
ec47b274
SH
366 help
367 This enables support for the MIPS Technologies SEAD3 evaluation
368 board.
369
a83860c2
RB
370config NEC_MARKEINS
371 bool "NEC EMMA2RH Mark-eins board"
372 select SOC_EMMA2RH
373 select HW_HAS_PCI
374 help
375 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 376
5e83d430 377config MACH_VR41XX
74142d65 378 bool "NEC VR4100 series based machines"
42f77542 379 select CEVT_R4K
940f6b48 380 select CSRC_R4K
7cf8053b 381 select SYS_HAS_CPU_VR41XX
27fdd325 382 select ARCH_REQUIRE_GPIOLIB
5e83d430 383
edb6310a
DL
384config NXP_STB220
385 bool "NXP STB220 board"
386 select SOC_PNX833X
387 help
388 Support for NXP Semiconductors STB220 Development Board.
389
390config NXP_STB225
391 bool "NXP 225 board"
392 select SOC_PNX833X
393 select SOC_PNX8335
394 help
395 Support for NXP Semiconductors STB225 Development Board.
396
9267a30d
MSJ
397config PMC_MSP
398 bool "PMC-Sierra MSP chipsets"
39d30c13
A
399 select CEVT_R4K
400 select CSRC_R4K
9267a30d
MSJ
401 select DMA_NONCOHERENT
402 select SWAP_IO_SPACE
403 select NO_EXCEPT_FILL
404 select BOOT_RAW
405 select SYS_HAS_CPU_MIPS32_R1
406 select SYS_HAS_CPU_MIPS32_R2
407 select SYS_SUPPORTS_32BIT_KERNEL
408 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
409 select IRQ_CPU
410 select SERIAL_8250
411 select SERIAL_8250_CONSOLE
9296d94d
FF
412 select USB_EHCI_BIG_ENDIAN_MMIO
413 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
414 help
415 This adds support for the PMC-Sierra family of Multi-Service
416 Processor System-On-A-Chips. These parts include a number
417 of integrated peripherals, interfaces and DSPs in addition to
418 a variety of MIPS cores.
419
ae2b5bb6
JC
420config RALINK
421 bool "Ralink based machines"
422 select CEVT_R4K
423 select CSRC_R4K
424 select BOOT_RAW
425 select DMA_NONCOHERENT
426 select IRQ_CPU
427 select USE_OF
428 select SYS_HAS_CPU_MIPS32_R1
429 select SYS_HAS_CPU_MIPS32_R2
430 select SYS_SUPPORTS_32BIT_KERNEL
431 select SYS_SUPPORTS_LITTLE_ENDIAN
432 select SYS_HAS_EARLY_PRINTK
433 select HAVE_MACH_CLKDEV
434 select CLKDEV_LOOKUP
2a153f1c
JC
435 select ARCH_HAS_RESET_CONTROLLER
436 select RESET_CONTROLLER
ae2b5bb6 437
1da177e4 438config SGI_IP22
3fa986fa 439 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
440 select FW_ARC
441 select FW_ARC32
1da177e4 442 select BOOT_ELF32
42f77542 443 select CEVT_R4K
940f6b48 444 select CSRC_R4K
e2defae5 445 select DEFAULT_SGI_PARTITION
1da177e4 446 select DMA_NONCOHERENT
5e83d430 447 select HW_HAS_EISA
d865bea4 448 select I8253
68de4803 449 select I8259
1da177e4
LT
450 select IP22_CPU_SCACHE
451 select IRQ_CPU
aa414dff 452 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
453 select SGI_HAS_I8042
454 select SGI_HAS_INDYDOG
36e5c21d 455 select SGI_HAS_HAL2
e2defae5
TB
456 select SGI_HAS_SEEQ
457 select SGI_HAS_WD93
458 select SGI_HAS_ZILOG
1da177e4 459 select SWAP_IO_SPACE
7cf8053b
RB
460 select SYS_HAS_CPU_R4X00
461 select SYS_HAS_CPU_R5000
2b5e63f6
MM
462 #
463 # Disable EARLY_PRINTK for now since it leads to overwritten prom
464 # memory during early boot on some machines.
465 #
466 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
467 # for a more details discussion
468 #
469 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
470 select SYS_SUPPORTS_32BIT_KERNEL
471 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 472 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
473 help
474 This are the SGI Indy, Challenge S and Indigo2, as well as certain
475 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
476 that runs on these, say Y here.
477
478config SGI_IP27
3fa986fa 479 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
480 select FW_ARC
481 select FW_ARC64
5e83d430 482 select BOOT_ELF64
e2defae5 483 select DEFAULT_SGI_PARTITION
634286f1 484 select DMA_COHERENT
36a88530 485 select SYS_HAS_EARLY_PRINTK
1da177e4 486 select HW_HAS_PCI
130e2fb7 487 select NR_CPUS_DEFAULT_64
7cf8053b 488 select SYS_HAS_CPU_R10000
ed5ba2fb 489 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 490 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 491 select SYS_SUPPORTS_NUMA
1a5c5de1 492 select SYS_SUPPORTS_SMP
1da177e4
LT
493 help
494 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
495 workstations. To compile a Linux kernel that runs on these, say Y
496 here.
497
e2defae5 498config SGI_IP28
7d60717e 499 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
500 select FW_ARC
501 select FW_ARC64
e2defae5
TB
502 select BOOT_ELF64
503 select CEVT_R4K
504 select CSRC_R4K
505 select DEFAULT_SGI_PARTITION
506 select DMA_NONCOHERENT
507 select GENERIC_ISA_DMA_SUPPORT_BROKEN
508 select IRQ_CPU
509 select HW_HAS_EISA
510 select I8253
511 select I8259
e2defae5
TB
512 select SGI_HAS_I8042
513 select SGI_HAS_INDYDOG
5b438c44 514 select SGI_HAS_HAL2
e2defae5
TB
515 select SGI_HAS_SEEQ
516 select SGI_HAS_WD93
517 select SGI_HAS_ZILOG
518 select SWAP_IO_SPACE
519 select SYS_HAS_CPU_R10000
2b5e63f6
MM
520 #
521 # Disable EARLY_PRINTK for now since it leads to overwritten prom
522 # memory during early boot on some machines.
523 #
524 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
525 # for a more details discussion
526 #
527 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
528 select SYS_SUPPORTS_64BIT_KERNEL
529 select SYS_SUPPORTS_BIG_ENDIAN
530 help
531 This is the SGI Indigo2 with R10000 processor. To compile a Linux
532 kernel that runs on these, say Y here.
533
1da177e4 534config SGI_IP32
cfd2afc0 535 bool "SGI IP32 (O2)"
0e2794b0
RB
536 select FW_ARC
537 select FW_ARC32
1da177e4 538 select BOOT_ELF32
42f77542 539 select CEVT_R4K
940f6b48 540 select CSRC_R4K
1da177e4
LT
541 select DMA_NONCOHERENT
542 select HW_HAS_PCI
dd67b155 543 select IRQ_CPU
1da177e4
LT
544 select R5000_CPU_SCACHE
545 select RM7000_CPU_SCACHE
7cf8053b
RB
546 select SYS_HAS_CPU_R5000
547 select SYS_HAS_CPU_R10000 if BROKEN
548 select SYS_HAS_CPU_RM7000
dd2f18fe 549 select SYS_HAS_CPU_NEVADA
ed5ba2fb 550 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 551 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 552 help
5e83d430 553 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 554
ade299d8
YY
555config SIBYTE_CRHINE
556 bool "Sibyte BCM91120C-CRhine"
9a6dcea1
AI
557 select BOOT_ELF32
558 select DMA_COHERENT
ade299d8 559 select SIBYTE_BCM1120
9a6dcea1 560 select SWAP_IO_SPACE
7cf8053b 561 select SYS_HAS_CPU_SB1
9a6dcea1
AI
562 select SYS_SUPPORTS_BIG_ENDIAN
563 select SYS_SUPPORTS_LITTLE_ENDIAN
564
ade299d8
YY
565config SIBYTE_CARMEL
566 bool "Sibyte BCM91120x-Carmel"
5e83d430 567 select BOOT_ELF32
1da177e4 568 select DMA_COHERENT
ade299d8 569 select SIBYTE_BCM1120
5e83d430 570 select SWAP_IO_SPACE
7cf8053b 571 select SYS_HAS_CPU_SB1
81731f79 572 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 573 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 574
ade299d8
YY
575config SIBYTE_CRHONE
576 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
577 select BOOT_ELF32
578 select DMA_COHERENT
ade299d8 579 select SIBYTE_BCM1125
5e83d430 580 select SWAP_IO_SPACE
7cf8053b 581 select SYS_HAS_CPU_SB1
5e83d430 582 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 583 select SYS_SUPPORTS_HIGHMEM
5e83d430 584 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 585
5e83d430 586config SIBYTE_RHONE
3fa986fa 587 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
588 select BOOT_ELF32
589 select DMA_COHERENT
590 select SIBYTE_BCM1125H
591 select SWAP_IO_SPACE
7cf8053b 592 select SYS_HAS_CPU_SB1
5e83d430
RB
593 select SYS_SUPPORTS_BIG_ENDIAN
594 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 595
ade299d8
YY
596config SIBYTE_SWARM
597 bool "Sibyte BCM91250A-SWARM"
5e83d430 598 select BOOT_ELF32
26a940e2 599 select DMA_COHERENT
fcf3ca4c 600 select HAVE_PATA_PLATFORM
ade299d8 601 select SIBYTE_SB1250
5e83d430 602 select SWAP_IO_SPACE
7cf8053b 603 select SYS_HAS_CPU_SB1
5e83d430 604 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 605 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 606 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 607 select ZONE_DMA32 if 64BIT
e3ad1c23 608
ade299d8
YY
609config SIBYTE_LITTLESUR
610 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
611 select BOOT_ELF32
612 select DMA_COHERENT
fcf3ca4c 613 select HAVE_PATA_PLATFORM
5e83d430
RB
614 select SIBYTE_SB1250
615 select SWAP_IO_SPACE
7cf8053b 616 select SYS_HAS_CPU_SB1
5e83d430
RB
617 select SYS_SUPPORTS_BIG_ENDIAN
618 select SYS_SUPPORTS_HIGHMEM
619 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 620
ade299d8
YY
621config SIBYTE_SENTOSA
622 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
623 select BOOT_ELF32
624 select DMA_COHERENT
625 select SIBYTE_SB1250
626 select SWAP_IO_SPACE
7cf8053b 627 select SYS_HAS_CPU_SB1
5e83d430 628 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 629 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 630
ade299d8
YY
631config SIBYTE_BIGSUR
632 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
633 select BOOT_ELF32
634 select DMA_COHERENT
ade299d8 635 select NR_CPUS_DEFAULT_4
ade299d8 636 select SIBYTE_BCM1x80
5e83d430 637 select SWAP_IO_SPACE
7cf8053b 638 select SYS_HAS_CPU_SB1
5e83d430 639 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 640 select SYS_SUPPORTS_HIGHMEM
5e83d430 641 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 642 select ZONE_DMA32 if 64BIT
1da177e4 643
14b36af4
TB
644config SNI_RM
645 bool "SNI RM200/300/400"
0e2794b0
RB
646 select FW_ARC if CPU_LITTLE_ENDIAN
647 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 648 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 649 select ARCH_MAY_HAVE_PC_FDC
1da177e4 650 select BOOT_ELF32
42f77542 651 select CEVT_R4K
940f6b48 652 select CSRC_R4K
e2defae5 653 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
654 select DMA_NONCOHERENT
655 select GENERIC_ISA_DMA
8a118c38 656 select HAVE_PCSPKR_PLATFORM
5e83d430 657 select HW_HAS_EISA
1da177e4 658 select HW_HAS_PCI
c066a32a 659 select IRQ_CPU
d865bea4 660 select I8253
1da177e4
LT
661 select I8259
662 select ISA
4a0312fc 663 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 664 select SYS_HAS_CPU_R4X00
4a0312fc 665 select SYS_HAS_CPU_R5000
c066a32a 666 select SYS_HAS_CPU_R10000
4a0312fc 667 select R5000_CPU_SCACHE
36a88530 668 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 669 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 670 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 671 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 672 select SYS_SUPPORTS_HIGHMEM
5e83d430 673 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 674 help
14b36af4
TB
675 The SNI RM200/300/400 are MIPS-based machines manufactured by
676 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
677 Technology and now in turn merged with Fujitsu. Say Y here to
678 support this machine type.
679
edcaf1a6
AN
680config MACH_TX39XX
681 bool "Toshiba TX39 series based machines"
5e83d430 682
edcaf1a6
AN
683config MACH_TX49XX
684 bool "Toshiba TX49 series based machines"
5e83d430 685
73b4390f
RB
686config MIKROTIK_RB532
687 bool "Mikrotik RB532 boards"
688 select CEVT_R4K
689 select CSRC_R4K
690 select DMA_NONCOHERENT
73b4390f
RB
691 select HW_HAS_PCI
692 select IRQ_CPU
693 select SYS_HAS_CPU_MIPS32_R1
694 select SYS_SUPPORTS_32BIT_KERNEL
695 select SYS_SUPPORTS_LITTLE_ENDIAN
696 select SWAP_IO_SPACE
697 select BOOT_RAW
d888e25b 698 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
699 help
700 Support the Mikrotik(tm) RouterBoard 532 series,
701 based on the IDT RC32434 SoC.
702
9ddebc46
DD
703config CAVIUM_OCTEON_SOC
704 bool "Cavium Networks Octeon SoC based boards"
a86c7f72
DD
705 select CEVT_R4K
706 select 64BIT_PHYS_ADDR
707 select DMA_COHERENT
708 select SYS_SUPPORTS_64BIT_KERNEL
709 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 710 select EDAC_SUPPORT
773cb77d 711 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 712 select SYS_HAS_EARLY_PRINTK
5e683389 713 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 714 select SWAP_IO_SPACE
e8635b48 715 select HW_HAS_PCI
f00e001e 716 select ZONE_DMA32
340fbb8b
DD
717 select USB_ARCH_HAS_OHCI
718 select USB_ARCH_HAS_EHCI
465aaed0 719 select HOLES_IN_ZONE
99cab4bb 720 select ARCH_REQUIRE_GPIOLIB
a86c7f72
DD
721 help
722 This option supports all of the Octeon reference boards from Cavium
723 Networks. It builds a kernel that dynamically determines the Octeon
724 CPU type and supports all known board reference implementations.
725 Some of the supported boards are:
726 EBT3000
727 EBH3000
728 EBH3100
729 Thunder
730 Kodama
731 Hikari
732 Say Y here for most Octeon reference boards.
733
7f058e85
J
734config NLM_XLR_BOARD
735 bool "Netlogic XLR/XLS based systems"
7f058e85
J
736 select BOOT_ELF32
737 select NLM_COMMON
7f058e85
J
738 select SYS_HAS_CPU_XLR
739 select SYS_SUPPORTS_SMP
740 select HW_HAS_PCI
741 select SWAP_IO_SPACE
742 select SYS_SUPPORTS_32BIT_KERNEL
743 select SYS_SUPPORTS_64BIT_KERNEL
744 select 64BIT_PHYS_ADDR
745 select SYS_SUPPORTS_BIG_ENDIAN
746 select SYS_SUPPORTS_HIGHMEM
747 select DMA_COHERENT
748 select NR_CPUS_DEFAULT_32
749 select CEVT_R4K
750 select CSRC_R4K
751 select IRQ_CPU
b97215fd 752 select ZONE_DMA32 if 64BIT
7f058e85
J
753 select SYNC_R4K
754 select SYS_HAS_EARLY_PRINTK
f35574a3
J
755 select USB_ARCH_HAS_OHCI if USB_SUPPORT
756 select USB_ARCH_HAS_EHCI if USB_SUPPORT
8f0b0430
J
757 select SYS_SUPPORTS_ZBOOT
758 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
759 help
760 Support for systems based on Netlogic XLR and XLS processors.
761 Say Y here if you have a XLR or XLS based board.
762
1c773ea4
J
763config NLM_XLP_BOARD
764 bool "Netlogic XLP based systems"
1c773ea4
J
765 select BOOT_ELF32
766 select NLM_COMMON
767 select SYS_HAS_CPU_XLP
768 select SYS_SUPPORTS_SMP
769 select HW_HAS_PCI
1c773ea4
J
770 select SYS_SUPPORTS_32BIT_KERNEL
771 select SYS_SUPPORTS_64BIT_KERNEL
772 select 64BIT_PHYS_ADDR
773 select SYS_SUPPORTS_BIG_ENDIAN
774 select SYS_SUPPORTS_LITTLE_ENDIAN
775 select SYS_SUPPORTS_HIGHMEM
776 select DMA_COHERENT
777 select NR_CPUS_DEFAULT_32
778 select CEVT_R4K
779 select CSRC_R4K
780 select IRQ_CPU
b97215fd 781 select ZONE_DMA32 if 64BIT
1c773ea4
J
782 select SYNC_R4K
783 select SYS_HAS_EARLY_PRINTK
2f6528e1 784 select USE_OF
8f0b0430
J
785 select SYS_SUPPORTS_ZBOOT
786 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
787 help
788 This board is based on Netlogic XLP Processor.
789 Say Y here if you have a XLP based board.
790
5e83d430 791endchoice
1da177e4 792
e8c7c482 793source "arch/mips/alchemy/Kconfig"
d4a67d9d 794source "arch/mips/ath79/Kconfig"
a656ffcb 795source "arch/mips/bcm47xx/Kconfig"
e7300d04 796source "arch/mips/bcm63xx/Kconfig"
5e83d430 797source "arch/mips/jazz/Kconfig"
5ebabe59 798source "arch/mips/jz4740/Kconfig"
8ec6d935 799source "arch/mips/lantiq/Kconfig"
1f21d2bd 800source "arch/mips/lasat/Kconfig"
0f3a05cb 801source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 802source "arch/mips/ralink/Kconfig"
29c48699 803source "arch/mips/sgi-ip27/Kconfig"
38b18f72 804source "arch/mips/sibyte/Kconfig"
22b1d707 805source "arch/mips/txx9/Kconfig"
5e83d430 806source "arch/mips/vr41xx/Kconfig"
a86c7f72 807source "arch/mips/cavium-octeon/Kconfig"
85749d24 808source "arch/mips/loongson/Kconfig"
ca585cf9 809source "arch/mips/loongson1/Kconfig"
7f058e85 810source "arch/mips/netlogic/Kconfig"
38b18f72 811
5e83d430
RB
812endmenu
813
1da177e4
LT
814config RWSEM_GENERIC_SPINLOCK
815 bool
816 default y
817
818config RWSEM_XCHGADD_ALGORITHM
819 bool
820
f0d1b0b3
DH
821config ARCH_HAS_ILOG2_U32
822 bool
823 default n
824
825config ARCH_HAS_ILOG2_U64
826 bool
827 default n
828
3c9ee7ef
AM
829config GENERIC_HWEIGHT
830 bool
831 default y
832
1da177e4
LT
833config GENERIC_CALIBRATE_DELAY
834 bool
835 default y
836
ae1e9130 837config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
838 bool
839 default y
840
1da177e4
LT
841#
842# Select some configuration options automatically based on user selections.
843#
0e2794b0 844config FW_ARC
1da177e4 845 bool
1da177e4 846
61ed242d
RB
847config ARCH_MAY_HAVE_PC_FDC
848 bool
849
9267a30d
MSJ
850config BOOT_RAW
851 bool
852
217dd11e
RB
853config CEVT_BCM1480
854 bool
855
6457d9fc
YY
856config CEVT_DS1287
857 bool
858
1097c6ac
YY
859config CEVT_GT641XX
860 bool
861
42f77542
RB
862config CEVT_R4K
863 bool
864
0ab2b7d0
RG
865config CEVT_GIC
866 bool
867
217dd11e
RB
868config CEVT_SB1250
869 bool
870
229f773e
AN
871config CEVT_TXX9
872 bool
873
217dd11e
RB
874config CSRC_BCM1480
875 bool
876
4247417d
YY
877config CSRC_IOASIC
878 bool
879
940f6b48
RB
880config CSRC_R4K
881 bool
882
778eeb1b
SH
883config CSRC_GIC
884 bool
885
217dd11e
RB
886config CSRC_SB1250
887 bool
888
a9aec7fe 889config GPIO_TXX9
7444a72e 890 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
891 bool
892
0e2794b0 893config FW_CFE
df78b5c8
AJ
894 bool
895
4bafad92
FT
896config ARCH_DMA_ADDR_T_64BIT
897 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
898
4ce588cd 899config DMA_COHERENT
1da177e4
LT
900 bool
901
4ce588cd
RB
902config DMA_NONCOHERENT
903 bool
e1e02b32 904 select NEED_DMA_MAP_STATE
4ce588cd 905
e1e02b32 906config NEED_DMA_MAP_STATE
1da177e4
LT
907 bool
908
36a88530 909config SYS_HAS_EARLY_PRINTK
1da177e4 910 bool
1da177e4 911
dbb74540 912config HOTPLUG_CPU
1b2bc75c 913 bool "Support for hot-pluggable CPUs"
40b31360 914 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1b2bc75c
RB
915 help
916 Say Y here to allow turning CPUs off and on. CPUs can be
917 controlled through /sys/devices/system/cpu.
918 (Note: power management support will enable this option
919 automatically on SMP systems. )
920 Say N if you want to disable CPU hotplug.
921
922config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 923 bool
dbb74540 924
1da177e4
LT
925config I8259
926 bool
1da177e4 927
1da177e4
LT
928config MIPS_BONITO64
929 bool
1da177e4
LT
930
931config MIPS_MSC
932 bool
1da177e4 933
1f21d2bd
BM
934config MIPS_NILE4
935 bool
936
39b8d525
RB
937config SYNC_R4K
938 bool
939
487d70d0
GJ
940config MIPS_MACHINE
941 def_bool n
942
d388d685
MR
943config NO_IOPORT
944 def_bool n
945
8313da30
RB
946config GENERIC_ISA_DMA
947 bool
948 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 949 select ISA_DMA_API
8313da30 950
aa414dff
RB
951config GENERIC_ISA_DMA_SUPPORT_BROKEN
952 bool
8313da30 953 select GENERIC_ISA_DMA
aa414dff 954
a35bee8a
NK
955config ISA_DMA_API
956 bool
957
465aaed0
DD
958config HOLES_IN_ZONE
959 bool
960
5e83d430 961#
6b2aac42 962# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
963# answer,so we try hard to limit the available choices. Also the use of a
964# choice statement should be more obvious to the user.
965#
966choice
6b2aac42 967 prompt "Endianness selection"
1da177e4
LT
968 help
969 Some MIPS machines can be configured for either little or big endian
5e83d430 970 byte order. These modes require different kernels and a different
3cb2fccc 971 Linux distribution. In general there is one preferred byteorder for a
5e83d430 972 particular system but some systems are just as commonly used in the
3dde6ad8 973 one or the other endianness.
5e83d430
RB
974
975config CPU_BIG_ENDIAN
976 bool "Big endian"
977 depends on SYS_SUPPORTS_BIG_ENDIAN
978
979config CPU_LITTLE_ENDIAN
980 bool "Little endian"
981 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
982
983endchoice
984
22b0763a
DD
985config EXPORT_UASM
986 bool
987
2116245e
RB
988config SYS_SUPPORTS_APM_EMULATION
989 bool
990
5e83d430
RB
991config SYS_SUPPORTS_BIG_ENDIAN
992 bool
993
994config SYS_SUPPORTS_LITTLE_ENDIAN
995 bool
1da177e4 996
9cffd154
DD
997config SYS_SUPPORTS_HUGETLBFS
998 bool
999 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1000 default y
1001
aa1762f4
DD
1002config MIPS_HUGE_TLB_SUPPORT
1003 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1004
1da177e4
LT
1005config IRQ_CPU
1006 bool
1007
1008config IRQ_CPU_RM7K
1009 bool
1010
9267a30d
MSJ
1011config IRQ_MSP_SLP
1012 bool
1013
1014config IRQ_MSP_CIC
1015 bool
1016
8420fd00
AN
1017config IRQ_TXX9
1018 bool
1019
d5ab1a69
YY
1020config IRQ_GT641XX
1021 bool
1022
39b8d525
RB
1023config IRQ_GIC
1024 bool
1025
252161ec 1026config PCI_GT64XXX_PCI0
1da177e4 1027 bool
1da177e4 1028
9267a30d
MSJ
1029config NO_EXCEPT_FILL
1030 bool
1031
a83860c2
RB
1032config SOC_EMMA2RH
1033 bool
1034 select CEVT_R4K
1035 select CSRC_R4K
1036 select DMA_NONCOHERENT
1037 select IRQ_CPU
1038 select SWAP_IO_SPACE
1039 select SYS_HAS_CPU_R5500
1040 select SYS_SUPPORTS_32BIT_KERNEL
1041 select SYS_SUPPORTS_64BIT_KERNEL
1042 select SYS_SUPPORTS_BIG_ENDIAN
1043
edb6310a
DL
1044config SOC_PNX833X
1045 bool
1046 select CEVT_R4K
1047 select CSRC_R4K
1048 select IRQ_CPU
1049 select DMA_NONCOHERENT
1050 select SYS_HAS_CPU_MIPS32_R2
1051 select SYS_SUPPORTS_32BIT_KERNEL
1052 select SYS_SUPPORTS_LITTLE_ENDIAN
1053 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
1054 select CPU_MIPSR2_IRQ_VI
1055
1056config SOC_PNX8335
1057 bool
1058 select SOC_PNX833X
1059
1da177e4
LT
1060config SWAP_IO_SPACE
1061 bool
1062
e2defae5
TB
1063config SGI_HAS_INDYDOG
1064 bool
1065
5b438c44
TB
1066config SGI_HAS_HAL2
1067 bool
1068
e2defae5
TB
1069config SGI_HAS_SEEQ
1070 bool
1071
1072config SGI_HAS_WD93
1073 bool
1074
1075config SGI_HAS_ZILOG
1076 bool
1077
1078config SGI_HAS_I8042
1079 bool
1080
1081config DEFAULT_SGI_PARTITION
1082 bool
1083
0e2794b0 1084config FW_ARC32
5e83d430
RB
1085 bool
1086
aaa9fad3 1087config FW_SNIPROM
231a35d3
TB
1088 bool
1089
1da177e4
LT
1090config BOOT_ELF32
1091 bool
1da177e4
LT
1092
1093config MIPS_L1_CACHE_SHIFT
1094 int
80fb55a9 1095 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
0db2b74e 1096 default "6" if MIPS_CPU_SCACHE
a86c7f72 1097 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1da177e4
LT
1098 default "5"
1099
1da177e4
LT
1100config HAVE_STD_PC_SERIAL_PORT
1101 bool
1102
1da177e4
LT
1103config ARC_CONSOLE
1104 bool "ARC console support"
e2defae5 1105 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1106
1107config ARC_MEMORY
1108 bool
14b36af4 1109 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1110 default y
1111
1112config ARC_PROMLIB
1113 bool
e2defae5 1114 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1115 default y
1116
0e2794b0 1117config FW_ARC64
1da177e4 1118 bool
1da177e4
LT
1119
1120config BOOT_ELF64
1121 bool
1da177e4 1122
1da177e4
LT
1123menu "CPU selection"
1124
1125choice
1126 prompt "CPU type"
1127 default CPU_R4X00
1128
3702bba5
WZ
1129config CPU_LOONGSON2E
1130 bool "Loongson 2E"
1131 depends on SYS_HAS_CPU_LOONGSON2E
1132 select CPU_LOONGSON2
2a21c730
FZ
1133 help
1134 The Loongson 2E processor implements the MIPS III instruction set
1135 with many extensions.
1136
25985edc 1137 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1138 bonito64.
1139
1140config CPU_LOONGSON2F
1141 bool "Loongson 2F"
1142 depends on SYS_HAS_CPU_LOONGSON2F
1143 select CPU_LOONGSON2
c197da91 1144 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1145 help
1146 The Loongson 2F processor implements the MIPS III instruction set
1147 with many extensions.
1148
1149 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1150 have a similar programming interface with FPGA northbridge used in
1151 Loongson2E.
1152
ca585cf9
KC
1153config CPU_LOONGSON1B
1154 bool "Loongson 1B"
1155 depends on SYS_HAS_CPU_LOONGSON1B
1156 select CPU_LOONGSON1
1157 help
1158 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1159 release 2 instruction set.
1160
6e760c8d
RB
1161config CPU_MIPS32_R1
1162 bool "MIPS32 Release 1"
7cf8053b 1163 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1164 select CPU_HAS_PREFETCH
797798c1 1165 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1166 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1167 help
5e83d430 1168 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1169 MIPS32 architecture. Most modern embedded systems with a 32-bit
1170 MIPS processor are based on a MIPS32 processor. If you know the
1171 specific type of processor in your system, choose those that one
1172 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1173 Release 2 of the MIPS32 architecture is available since several
1174 years so chances are you even have a MIPS32 Release 2 processor
1175 in which case you should choose CPU_MIPS32_R2 instead for better
1176 performance.
1177
1178config CPU_MIPS32_R2
1179 bool "MIPS32 Release 2"
7cf8053b 1180 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1181 select CPU_HAS_PREFETCH
797798c1 1182 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1183 select CPU_SUPPORTS_HIGHMEM
2235a54d 1184 select HAVE_KVM
6e760c8d 1185 help
5e83d430 1186 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1187 MIPS32 architecture. Most modern embedded systems with a 32-bit
1188 MIPS processor are based on a MIPS32 processor. If you know the
1189 specific type of processor in your system, choose those that one
1190 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1191
1192config CPU_MIPS64_R1
1193 bool "MIPS64 Release 1"
7cf8053b 1194 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1195 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1196 select CPU_SUPPORTS_32BIT_KERNEL
1197 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1198 select CPU_SUPPORTS_HIGHMEM
9cffd154 1199 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1200 help
1201 Choose this option to build a kernel for release 1 or later of the
1202 MIPS64 architecture. Many modern embedded systems with a 64-bit
1203 MIPS processor are based on a MIPS64 processor. If you know the
1204 specific type of processor in your system, choose those that one
1205 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1206 Release 2 of the MIPS64 architecture is available since several
1207 years so chances are you even have a MIPS64 Release 2 processor
1208 in which case you should choose CPU_MIPS64_R2 instead for better
1209 performance.
1210
1211config CPU_MIPS64_R2
1212 bool "MIPS64 Release 2"
7cf8053b 1213 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1214 select CPU_HAS_PREFETCH
1e5f1caa
RB
1215 select CPU_SUPPORTS_32BIT_KERNEL
1216 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1217 select CPU_SUPPORTS_HIGHMEM
9cffd154 1218 select CPU_SUPPORTS_HUGEPAGES
1e5f1caa
RB
1219 help
1220 Choose this option to build a kernel for release 2 or later of the
1221 MIPS64 architecture. Many modern embedded systems with a 64-bit
1222 MIPS processor are based on a MIPS64 processor. If you know the
1223 specific type of processor in your system, choose those that one
1224 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1225
1226config CPU_R3000
1227 bool "R3000"
7cf8053b 1228 depends on SYS_HAS_CPU_R3000
f7062ddb 1229 select CPU_HAS_WB
ed5ba2fb 1230 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1231 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1232 help
1233 Please make sure to pick the right CPU type. Linux/MIPS is not
1234 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1235 *not* work on R4000 machines and vice versa. However, since most
1236 of the supported machines have an R4000 (or similar) CPU, R4x00
1237 might be a safe bet. If the resulting kernel does not work,
1238 try to recompile with R3000.
1239
1240config CPU_TX39XX
1241 bool "R39XX"
7cf8053b 1242 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1243 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1244
1245config CPU_VR41XX
1246 bool "R41xx"
7cf8053b 1247 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1248 select CPU_SUPPORTS_32BIT_KERNEL
1249 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1250 help
5e83d430 1251 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1252 Only choose this option if you have one of these processors as a
1253 kernel built with this option will not run on any other type of
1254 processor or vice versa.
1255
1256config CPU_R4300
1257 bool "R4300"
7cf8053b 1258 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1259 select CPU_SUPPORTS_32BIT_KERNEL
1260 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1261 help
1262 MIPS Technologies R4300-series processors.
1263
1264config CPU_R4X00
1265 bool "R4x00"
7cf8053b 1266 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1267 select CPU_SUPPORTS_32BIT_KERNEL
1268 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1269 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1270 help
1271 MIPS Technologies R4000-series processors other than 4300, including
1272 the R4000, R4400, R4600, and 4700.
1273
1274config CPU_TX49XX
1275 bool "R49XX"
7cf8053b 1276 depends on SYS_HAS_CPU_TX49XX
de862b48 1277 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1278 select CPU_SUPPORTS_32BIT_KERNEL
1279 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1280 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1281
1282config CPU_R5000
1283 bool "R5000"
7cf8053b 1284 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1285 select CPU_SUPPORTS_32BIT_KERNEL
1286 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1287 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1288 help
1289 MIPS Technologies R5000-series processors other than the Nevada.
1290
1291config CPU_R5432
1292 bool "R5432"
7cf8053b 1293 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1294 select CPU_SUPPORTS_32BIT_KERNEL
1295 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1296 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1297
542c1020
SK
1298config CPU_R5500
1299 bool "R5500"
1300 depends on SYS_HAS_CPU_R5500
542c1020
SK
1301 select CPU_SUPPORTS_32BIT_KERNEL
1302 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1303 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1304 help
1305 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1306 instruction set.
1307
1da177e4
LT
1308config CPU_R6000
1309 bool "R6000"
7cf8053b 1310 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1311 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1312 help
1313 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1314 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1315
1316config CPU_NEVADA
1317 bool "RM52xx"
7cf8053b 1318 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1319 select CPU_SUPPORTS_32BIT_KERNEL
1320 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1321 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1322 help
1323 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1324
1325config CPU_R8000
1326 bool "R8000"
7cf8053b 1327 depends on SYS_HAS_CPU_R8000
5e83d430 1328 select CPU_HAS_PREFETCH
ed5ba2fb 1329 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1330 help
1331 MIPS Technologies R8000 processors. Note these processors are
1332 uncommon and the support for them is incomplete.
1333
1334config CPU_R10000
1335 bool "R10000"
7cf8053b 1336 depends on SYS_HAS_CPU_R10000
5e83d430 1337 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1338 select CPU_SUPPORTS_32BIT_KERNEL
1339 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1340 select CPU_SUPPORTS_HIGHMEM
970d032f 1341 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1342 help
1343 MIPS Technologies R10000-series processors.
1344
1345config CPU_RM7000
1346 bool "RM7000"
7cf8053b 1347 depends on SYS_HAS_CPU_RM7000
5e83d430 1348 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1349 select CPU_SUPPORTS_32BIT_KERNEL
1350 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1351 select CPU_SUPPORTS_HIGHMEM
970d032f 1352 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1353
1354config CPU_SB1
1355 bool "SB1"
7cf8053b 1356 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1357 select CPU_SUPPORTS_32BIT_KERNEL
1358 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1359 select CPU_SUPPORTS_HIGHMEM
970d032f 1360 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1361 select WEAK_ORDERING
1da177e4 1362
a86c7f72
DD
1363config CPU_CAVIUM_OCTEON
1364 bool "Cavium Octeon processor"
5e683389 1365 depends on SYS_HAS_CPU_CAVIUM_OCTEON
7ee91de4 1366 select ARCH_SPARSEMEM_ENABLE
a86c7f72
DD
1367 select CPU_HAS_PREFETCH
1368 select CPU_SUPPORTS_64BIT_KERNEL
1369 select SYS_SUPPORTS_SMP
1370 select NR_CPUS_DEFAULT_16
1371 select WEAK_ORDERING
a86c7f72 1372 select CPU_SUPPORTS_HIGHMEM
9cffd154 1373 select CPU_SUPPORTS_HUGEPAGES
7ed18152
DD
1374 select LIBFDT
1375 select USE_OF
9296d94d 1376 select USB_EHCI_BIG_ENDIAN_MMIO
a86c7f72
DD
1377 help
1378 The Cavium Octeon processor is a highly integrated chip containing
1379 many ethernet hardware widgets for networking tasks. The processor
1380 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1381 Full details can be found at http://www.caviumnetworks.com.
1382
c1c0c461
KC
1383config CPU_BMIPS3300
1384 bool "BMIPS3300"
1385 depends on SYS_HAS_CPU_BMIPS3300
1bbb6c1b 1386 select CPU_BMIPS
c1c0c461
KC
1387 help
1388 Broadcom BMIPS3300 processors.
1389
1390config CPU_BMIPS4350
1391 bool "BMIPS4350"
1392 depends on SYS_HAS_CPU_BMIPS4350
1bbb6c1b 1393 select CPU_BMIPS
c1c0c461
KC
1394 select SYS_SUPPORTS_SMP
1395 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1396 help
1397 Broadcom BMIPS4350 ("VIPER") processors.
1398
1399config CPU_BMIPS4380
1400 bool "BMIPS4380"
1401 depends on SYS_HAS_CPU_BMIPS4380
1bbb6c1b 1402 select CPU_BMIPS
c1c0c461
KC
1403 select SYS_SUPPORTS_SMP
1404 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1405 help
1406 Broadcom BMIPS4380 processors.
1407
1408config CPU_BMIPS5000
1409 bool "BMIPS5000"
1410 depends on SYS_HAS_CPU_BMIPS5000
1bbb6c1b 1411 select CPU_BMIPS
c1c0c461 1412 select CPU_SUPPORTS_HIGHMEM
1bbb6c1b 1413 select MIPS_CPU_SCACHE
c1c0c461
KC
1414 select SYS_SUPPORTS_SMP
1415 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1416 help
1417 Broadcom BMIPS5000 processors.
1418
7f058e85
J
1419config CPU_XLR
1420 bool "Netlogic XLR SoC"
1421 depends on SYS_HAS_CPU_XLR
1422 select CPU_SUPPORTS_32BIT_KERNEL
1423 select CPU_SUPPORTS_64BIT_KERNEL
1424 select CPU_SUPPORTS_HIGHMEM
970d032f 1425 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1426 select WEAK_ORDERING
1427 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1428 help
1429 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1430
1431config CPU_XLP
1432 bool "Netlogic XLP SoC"
1433 depends on SYS_HAS_CPU_XLP
1434 select CPU_SUPPORTS_32BIT_KERNEL
1435 select CPU_SUPPORTS_64BIT_KERNEL
1436 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1437 select WEAK_ORDERING
1438 select WEAK_REORDERING_BEYOND_LLSC
1439 select CPU_HAS_PREFETCH
d6504846 1440 select CPU_MIPSR2
1c773ea4
J
1441 help
1442 Netlogic Microsystems XLP processors.
1da177e4
LT
1443endchoice
1444
622844bf
WZ
1445if CPU_LOONGSON2F
1446config CPU_NOP_WORKAROUNDS
1447 bool
1448
1449config CPU_JUMP_WORKAROUNDS
1450 bool
1451
1452config CPU_LOONGSON2F_WORKAROUNDS
1453 bool "Loongson 2F Workarounds"
1454 default y
1455 select CPU_NOP_WORKAROUNDS
1456 select CPU_JUMP_WORKAROUNDS
1457 help
1458 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1459 require workarounds. Without workarounds the system may hang
1460 unexpectedly. For more information please refer to the gas
1461 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1462
1463 Loongson 2F03 and later have fixed these issues and no workarounds
1464 are needed. The workarounds have no significant side effect on them
1465 but may decrease the performance of the system so this option should
1466 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1467 systems.
1468
1469 If unsure, please say Y.
1470endif # CPU_LOONGSON2F
1471
1b93b3c3
WZ
1472config SYS_SUPPORTS_ZBOOT
1473 bool
1474 select HAVE_KERNEL_GZIP
1475 select HAVE_KERNEL_BZIP2
31c4867d 1476 select HAVE_KERNEL_LZ4
1b93b3c3 1477 select HAVE_KERNEL_LZMA
fe1d45e0 1478 select HAVE_KERNEL_LZO
4e23eb63 1479 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1480
1481config SYS_SUPPORTS_ZBOOT_UART16550
1482 bool
1483 select SYS_SUPPORTS_ZBOOT
1484
3702bba5
WZ
1485config CPU_LOONGSON2
1486 bool
1487 select CPU_SUPPORTS_32BIT_KERNEL
1488 select CPU_SUPPORTS_64BIT_KERNEL
1489 select CPU_SUPPORTS_HIGHMEM
970d032f 1490 select CPU_SUPPORTS_HUGEPAGES
3702bba5 1491
ca585cf9
KC
1492config CPU_LOONGSON1
1493 bool
1494 select CPU_MIPS32
1495 select CPU_MIPSR2
1496 select CPU_HAS_PREFETCH
1497 select CPU_SUPPORTS_32BIT_KERNEL
1498 select CPU_SUPPORTS_HIGHMEM
1499
1bbb6c1b
KC
1500config CPU_BMIPS
1501 bool
1502 select CPU_MIPS32
1503 select CPU_SUPPORTS_32BIT_KERNEL
1504 select DMA_NONCOHERENT
1505 select IRQ_CPU
1506 select SWAP_IO_SPACE
1507 select WEAK_ORDERING
1508
3702bba5 1509config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1510 bool
1511
6f7a251a
WZ
1512config SYS_HAS_CPU_LOONGSON2F
1513 bool
55045ff5
WZ
1514 select CPU_SUPPORTS_CPUFREQ
1515 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1516 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1517
ca585cf9
KC
1518config SYS_HAS_CPU_LOONGSON1B
1519 bool
1520
7cf8053b
RB
1521config SYS_HAS_CPU_MIPS32_R1
1522 bool
1523
1524config SYS_HAS_CPU_MIPS32_R2
1525 bool
1526
1527config SYS_HAS_CPU_MIPS64_R1
1528 bool
1529
1530config SYS_HAS_CPU_MIPS64_R2
1531 bool
1532
1533config SYS_HAS_CPU_R3000
1534 bool
1535
1536config SYS_HAS_CPU_TX39XX
1537 bool
1538
1539config SYS_HAS_CPU_VR41XX
1540 bool
1541
1542config SYS_HAS_CPU_R4300
1543 bool
1544
1545config SYS_HAS_CPU_R4X00
1546 bool
1547
1548config SYS_HAS_CPU_TX49XX
1549 bool
1550
1551config SYS_HAS_CPU_R5000
1552 bool
1553
1554config SYS_HAS_CPU_R5432
1555 bool
1556
542c1020
SK
1557config SYS_HAS_CPU_R5500
1558 bool
1559
7cf8053b
RB
1560config SYS_HAS_CPU_R6000
1561 bool
1562
1563config SYS_HAS_CPU_NEVADA
1564 bool
1565
1566config SYS_HAS_CPU_R8000
1567 bool
1568
1569config SYS_HAS_CPU_R10000
1570 bool
1571
1572config SYS_HAS_CPU_RM7000
1573 bool
1574
7cf8053b
RB
1575config SYS_HAS_CPU_SB1
1576 bool
1577
5e683389
DD
1578config SYS_HAS_CPU_CAVIUM_OCTEON
1579 bool
1580
c1c0c461
KC
1581config SYS_HAS_CPU_BMIPS3300
1582 bool
1583
1584config SYS_HAS_CPU_BMIPS4350
1585 bool
1586
1587config SYS_HAS_CPU_BMIPS4380
1588 bool
1589
1590config SYS_HAS_CPU_BMIPS5000
1591 bool
1592
7f058e85
J
1593config SYS_HAS_CPU_XLR
1594 bool
1595
1c773ea4
J
1596config SYS_HAS_CPU_XLP
1597 bool
1598
17099b11
RB
1599#
1600# CPU may reorder R->R, R->W, W->R, W->W
1601# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1602#
0004a9df
RB
1603config WEAK_ORDERING
1604 bool
17099b11
RB
1605
1606#
1607# CPU may reorder reads and writes beyond LL/SC
1608# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1609#
1610config WEAK_REORDERING_BEYOND_LLSC
1611 bool
5e83d430
RB
1612endmenu
1613
1614#
c09b47d8 1615# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1616#
1617config CPU_MIPS32
1618 bool
1619 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1620
1621config CPU_MIPS64
1622 bool
1623 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1624
1625#
c09b47d8 1626# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1627#
1628config CPU_MIPSR1
1629 bool
1630 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1631
1632config CPU_MIPSR2
1633 bool
a86c7f72 1634 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1635
1636config SYS_SUPPORTS_32BIT_KERNEL
1637 bool
1638config SYS_SUPPORTS_64BIT_KERNEL
1639 bool
1640config CPU_SUPPORTS_32BIT_KERNEL
1641 bool
1642config CPU_SUPPORTS_64BIT_KERNEL
1643 bool
55045ff5
WZ
1644config CPU_SUPPORTS_CPUFREQ
1645 bool
1646config CPU_SUPPORTS_ADDRWINCFG
1647 bool
9cffd154
DD
1648config CPU_SUPPORTS_HUGEPAGES
1649 bool
22f1fdfd
WZ
1650config CPU_SUPPORTS_UNCACHED_ACCELERATED
1651 bool
82622284
DD
1652config MIPS_PGD_C0_CONTEXT
1653 bool
d6504846 1654 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
5e83d430 1655
8192c9ea
DD
1656#
1657# Set to y for ptrace access to watch registers.
1658#
1659config HARDWARE_WATCHPOINTS
1660 bool
f839490a 1661 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1662
5e83d430
RB
1663menu "Kernel type"
1664
1665choice
5e83d430
RB
1666 prompt "Kernel code model"
1667 help
1668 You should only select this option if you have a workload that
1669 actually benefits from 64-bit processing or if your machine has
1670 large memory. You will only be presented a single option in this
1671 menu if your system does not support both 32-bit and 64-bit kernels.
1672
1673config 32BIT
1674 bool "32-bit kernel"
1675 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1676 select TRAD_SIGNALS
1677 help
1678 Select this option if you want to build a 32-bit kernel.
1679config 64BIT
1680 bool "64-bit kernel"
1681 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1682 help
1683 Select this option if you want to build a 64-bit kernel.
1684
1685endchoice
1686
2235a54d
SL
1687config KVM_GUEST
1688 bool "KVM Guest Kernel"
f2a5b1d7 1689 depends on BROKEN_ON_SMP
2235a54d
SL
1690 help
1691 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1692
1693config KVM_HOST_FREQ
1694 int "KVM Host Processor Frequency (MHz)"
1695 depends on KVM_GUEST
1696 default 500
1697 help
1698 Select this option if building a guest kernel for KVM to skip
1699 RTC emulation when determining guest CPU Frequency. Instead, the guest
1700 processor frequency is automatically derived from the host frequency.
1701
1da177e4
LT
1702choice
1703 prompt "Kernel page size"
1704 default PAGE_SIZE_4KB
1705
1706config PAGE_SIZE_4KB
1707 bool "4kB"
315fe625 1708 depends on !CPU_LOONGSON2
1da177e4
LT
1709 help
1710 This option select the standard 4kB Linux page size. On some
1711 R3000-family processors this is the only available page size. Using
1712 4kB page size will minimize memory consumption and is therefore
1713 recommended for low memory systems.
1714
1715config PAGE_SIZE_8KB
1716 bool "8kB"
7d60717e 1717 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1da177e4
LT
1718 help
1719 Using 8kB page size will result in higher performance kernel at
1720 the price of higher memory consumption. This option is available
c52399be
RB
1721 only on R8000 and cnMIPS processors. Note that you will need a
1722 suitable Linux distribution to support this.
1da177e4
LT
1723
1724config PAGE_SIZE_16KB
1725 bool "16kB"
714bfad6 1726 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1727 help
1728 Using 16kB page size will result in higher performance kernel at
1729 the price of higher memory consumption. This option is available on
714bfad6
RB
1730 all non-R3000 family processors. Note that you will need a suitable
1731 Linux distribution to support this.
1da177e4 1732
c52399be
RB
1733config PAGE_SIZE_32KB
1734 bool "32kB"
1735 depends on CPU_CAVIUM_OCTEON
1736 help
1737 Using 32kB page size will result in higher performance kernel at
1738 the price of higher memory consumption. This option is available
1739 only on cnMIPS cores. Note that you will need a suitable Linux
1740 distribution to support this.
1741
1da177e4
LT
1742config PAGE_SIZE_64KB
1743 bool "64kB"
7d60717e 1744 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1745 help
1746 Using 64kB page size will result in higher performance kernel at
1747 the price of higher memory consumption. This option is available on
1748 all non-R3000 family processor. Not that at the time of this
714bfad6 1749 writing this option is still high experimental.
1da177e4
LT
1750
1751endchoice
1752
c9bace7c
DD
1753config FORCE_MAX_ZONEORDER
1754 int "Maximum zone order"
85f993b8
DD
1755 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1756 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1757 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1758 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1759 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1760 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
c9bace7c
DD
1761 range 11 64
1762 default "11"
1763 help
1764 The kernel memory allocator divides physically contiguous memory
1765 blocks into "zones", where each zone is a power of two number of
1766 pages. This option selects the largest power of two that the kernel
1767 keeps in the memory allocator. If you need to allocate very large
1768 blocks of physically contiguous memory, then you may need to
1769 increase this value.
1770
1771 This config option is actually maximum order plus one. For example,
1772 a value of 11 means that the largest free memory block is 2^10 pages.
1773
1774 The page size is not necessarily 4KB. Keep this in mind
1775 when choosing a value for this option.
1776
0ab2b7d0
RG
1777config CEVT_GIC
1778 bool "Use GIC global counter for clock events"
1779 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
1780 help
1781 Use the GIC global counter for the clock events. The R4K clock
1782 event driver is always present, so if the platform ends up not
1783 detecting a GIC, it will fall back to the R4K timer for the
1784 generation of clock events.
1785
1da177e4
LT
1786config BOARD_SCACHE
1787 bool
1788
1789config IP22_CPU_SCACHE
1790 bool
1791 select BOARD_SCACHE
1792
9318c51a
CD
1793#
1794# Support for a MIPS32 / MIPS64 style S-caches
1795#
1796config MIPS_CPU_SCACHE
1797 bool
1798 select BOARD_SCACHE
1799
1da177e4
LT
1800config R5000_CPU_SCACHE
1801 bool
1802 select BOARD_SCACHE
1803
1804config RM7000_CPU_SCACHE
1805 bool
1806 select BOARD_SCACHE
1807
1808config SIBYTE_DMA_PAGEOPS
1809 bool "Use DMA to clear/copy pages"
1810 depends on CPU_SB1
1811 help
1812 Instead of using the CPU to zero and copy pages, use a Data Mover
1813 channel. These DMA channels are otherwise unused by the standard
1814 SiByte Linux port. Seems to give a small performance benefit.
1815
1816config CPU_HAS_PREFETCH
c8094b53 1817 bool
1da177e4 1818
3165c846
FF
1819config CPU_GENERIC_DUMP_TLB
1820 bool
1821 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1822
91405eb6
FF
1823config CPU_R4K_FPU
1824 bool
1825 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1826
62cedc4f
FF
1827config CPU_R4K_CACHE_TLB
1828 bool
1829 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1830
340ee4b9
RB
1831choice
1832 prompt "MIPS MT options"
f41ae0b2
RB
1833
1834config MIPS_MT_DISABLED
1835 bool "Disable multithreading support."
1836 help
1837 Use this option if your workload can't take advantage of
1838 MIPS hardware multithreading support. On systems that don't have
1839 the option of an MT-enabled processor this option will be the only
1840 option in this menu.
340ee4b9 1841
59d6ab86
RB
1842config MIPS_MT_SMP
1843 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1844 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1845 select CPU_MIPSR2_IRQ_VI
d725cf38 1846 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1847 select MIPS_MT
41c594ab 1848 select SMP
0ab7aefc 1849 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1850 select SYS_SUPPORTS_SMP
87353d8a 1851 select SMP_UP
399aaa25 1852 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 1853 help
25f12b33
RB
1854 This is a kernel model which is known a VSMP but lately has been
1855 marketesed into SMVP.
1856 Virtual SMP uses the processor's VPEs to implement virtual
1857 processors. In currently available configuration of the 34K processor
1858 this allows for a dual processor. Both processors will share the same
1859 primary caches; each will obtain the half of the TLB for it's own
1860 exclusive use. For a layman this model can be described as similar to
1861 what Intel calls Hyperthreading.
1862
1863 For further information see http://www.linux-mips.org/wiki/34K#VSMP
41c594ab 1864
59d6ab86
RB
1865config MIPS_MT_SMTC
1866 bool "SMTC: Use all TCs on all VPEs for SMP"
1867 depends on CPU_MIPS32_R2
1868 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1869 depends on SYS_SUPPORTS_MULTITHREADING
1870 select CPU_MIPSR2_IRQ_VI
d725cf38 1871 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1872 select MIPS_MT
130e2fb7 1873 select NR_CPUS_DEFAULT_8
340ee4b9 1874 select SMP
73b76c78 1875 select SYS_SUPPORTS_SMP
87353d8a 1876 select SMP_UP
f41ae0b2 1877 help
59d6ab86
RB
1878 This is a kernel model which is known a SMTC or lately has been
1879 marketesed into SMVP.
25f12b33
RB
1880 is presenting the available TC's of the core as processors to Linux.
1881 On currently available 34K processors this means a Linux system will
1882 see up to 5 processors. The implementation of the SMTC kernel differs
1883 significantly from VSMP and cannot efficiently coexist in the same
1884 kernel binary so the choice between VSMP and SMTC is a compile time
1885 decision.
1886
1887 For further information see http://www.linux-mips.org/wiki/34K#SMTC
340ee4b9 1888
340ee4b9
RB
1889endchoice
1890
f41ae0b2
RB
1891config MIPS_MT
1892 bool
1893
0ab7aefc
RB
1894config SCHED_SMT
1895 bool "SMT (multithreading) scheduler support"
1896 depends on SYS_SUPPORTS_SCHED_SMT
1897 default n
1898 help
1899 SMT scheduler support improves the CPU scheduler's decision making
1900 when dealing with MIPS MT enabled cores at a cost of slightly
1901 increased overhead in some places. If unsure say N here.
1902
1903config SYS_SUPPORTS_SCHED_SMT
1904 bool
1905
f41ae0b2
RB
1906config SYS_SUPPORTS_MULTITHREADING
1907 bool
1908
f088fc84
RB
1909config MIPS_MT_FPAFF
1910 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1911 default y
07cc0c9e
RB
1912 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1913
1914config MIPS_VPE_LOADER
1915 bool "VPE loader support."
704e6460 1916 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
07cc0c9e
RB
1917 select CPU_MIPSR2_IRQ_VI
1918 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1919 select MIPS_MT
1920 help
1921 Includes a loader for loading an elf relocatable object
1922 onto another VPE and running it.
f088fc84 1923
0db34215
KK
1924config MIPS_MT_SMTC_IM_BACKSTOP
1925 bool "Use per-TC register bits as backstop for inhibited IM bits"
1926 depends on MIPS_MT_SMTC
8531a35e 1927 default n
0db34215
KK
1928 help
1929 To support multiple TC microthreads acting as "CPUs" within
1930 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1931 during interrupt handling. To support legacy drivers and interrupt
1932 controller management code, SMTC has a "backstop" to track and
1933 if necessary restore the interrupt mask. This has some performance
8531a35e 1934 impact on interrupt service overhead.
0db34215 1935
f571eff0
KK
1936config MIPS_MT_SMTC_IRQAFF
1937 bool "Support IRQ affinity API"
1938 depends on MIPS_MT_SMTC
1939 default n
1940 help
1941 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1942 for SMTC Linux kernel. Requires platform support, of which
1943 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1944 platform code. Adds some overhead to interrupt dispatch, and
1945 should be used only if you know what you are doing.
f571eff0 1946
e01402b1
RB
1947config MIPS_VPE_LOADER_TOM
1948 bool "Load VPE program into memory hidden from linux"
1949 depends on MIPS_VPE_LOADER
1950 default y
1951 help
1952 The loader can use memory that is present but has been hidden from
1953 Linux using the kernel command line option "mem=xxMB". It's up to
1954 you to ensure the amount you put in the option and the space your
1955 program requires is less or equal to the amount physically present.
1956
1957# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1958config MIPS_VPE_APSP_API
5e83d430
RB
1959 bool "Enable support for AP/SP API (RTLX)"
1960 depends on MIPS_VPE_LOADER
1961 help
e01402b1 1962
4a16ff4c
RB
1963config MIPS_CMP
1964 bool "MIPS CMP framework support"
1965 depends on SYS_SUPPORTS_MIPS_CMP
85f32dbd 1966 select SMP
eb9b5141 1967 select SYNC_R4K
4a16ff4c
RB
1968 select SYS_SUPPORTS_SMP
1969 select SYS_SUPPORTS_SCHED_SMT if SMP
1970 select WEAK_ORDERING
1971 default n
1972 help
1973 This is a placeholder option for the GCMP work. It will need to
1974 be handled differently...
1975
1da177e4
LT
1976config SB1_PASS_1_WORKAROUNDS
1977 bool
1978 depends on CPU_SB1_PASS_1
1979 default y
1980
1981config SB1_PASS_2_WORKAROUNDS
1982 bool
1983 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1984 default y
1985
1986config SB1_PASS_2_1_WORKAROUNDS
1987 bool
1988 depends on CPU_SB1 && CPU_SB1_PASS_2
1989 default y
1990
2235a54d 1991
1da177e4 1992config 64BIT_PHYS_ADDR
d806cb2b 1993 bool
1da177e4 1994
60ec6571 1995config ARCH_PHYS_ADDR_T_64BIT
1996 def_bool 64BIT_PHYS_ADDR
1997
9693a853
FBH
1998config CPU_HAS_SMARTMIPS
1999 depends on SYS_SUPPORTS_SMARTMIPS
2000 bool "Support for the SmartMIPS ASE"
2001 help
2002 SmartMIPS is a extension of the MIPS32 architecture aimed at
2003 increased security at both hardware and software level for
2004 smartcards. Enabling this option will allow proper use of the
2005 SmartMIPS instructions by Linux applications. However a kernel with
2006 this option will not work on a MIPS core without SmartMIPS core. If
2007 you don't know you probably don't have SmartMIPS and should say N
2008 here.
2009
bce86083
SH
2010config CPU_MICROMIPS
2011 depends on SYS_SUPPORTS_MICROMIPS
2012 bool "Build kernel using microMIPS ISA"
2013 help
2014 When this option is enabled the kernel will be built using the
2015 microMIPS ISA
2016
1da177e4 2017config CPU_HAS_WB
f7062ddb 2018 bool
e01402b1 2019
df0ac8a4
KC
2020config XKS01
2021 bool
2022
f41ae0b2
RB
2023#
2024# Vectored interrupt mode is an R2 feature
2025#
e01402b1 2026config CPU_MIPSR2_IRQ_VI
f41ae0b2 2027 bool
e01402b1 2028
f41ae0b2
RB
2029#
2030# Extended interrupt mode is an R2 feature
2031#
e01402b1 2032config CPU_MIPSR2_IRQ_EI
f41ae0b2 2033 bool
e01402b1 2034
1da177e4
LT
2035config CPU_HAS_SYNC
2036 bool
2037 depends on !CPU_R3000
2038 default y
2039
20d60d99
MR
2040#
2041# CPU non-features
2042#
2043config CPU_DADDI_WORKAROUNDS
2044 bool
2045
2046config CPU_R4000_WORKAROUNDS
2047 bool
2048 select CPU_R4400_WORKAROUNDS
2049
2050config CPU_R4400_WORKAROUNDS
2051 bool
2052
1da177e4
LT
2053#
2054# - Highmem only makes sense for the 32-bit kernel.
2055# - The current highmem code will only work properly on physically indexed
2056# caches such as R3000, SB1, R7000 or those that look like they're virtually
2057# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2058# moment we protect the user and offer the highmem option only on machines
2059# where it's known to be safe. This will not offer highmem on a few systems
2060# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2061# indexed CPUs but we're playing safe.
797798c1
RB
2062# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2063# know they might have memory configurations that could make use of highmem
2064# support.
1da177e4
LT
2065#
2066config HIGHMEM
2067 bool "High Memory Support"
797798c1
RB
2068 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2069
2070config CPU_SUPPORTS_HIGHMEM
2071 bool
2072
2073config SYS_SUPPORTS_HIGHMEM
2074 bool
1da177e4 2075
9693a853
FBH
2076config SYS_SUPPORTS_SMARTMIPS
2077 bool
2078
a6a4834c
SH
2079config SYS_SUPPORTS_MICROMIPS
2080 bool
2081
b4819b59
YY
2082config ARCH_FLATMEM_ENABLE
2083 def_bool y
f133f22d 2084 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2085
d8cb4e11
RB
2086config ARCH_DISCONTIGMEM_ENABLE
2087 bool
2088 default y if SGI_IP27
2089 help
3dde6ad8 2090 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2091 for architectures which are either NUMA (Non-Uniform Memory Access)
2092 or have huge holes in the physical address space for other reasons.
2093 See <file:Documentation/vm/numa> for more.
2094
31473747
AN
2095config ARCH_SPARSEMEM_ENABLE
2096 bool
7de58fab 2097 select SPARSEMEM_STATIC
31473747 2098
d8cb4e11
RB
2099config NUMA
2100 bool "NUMA Support"
2101 depends on SYS_SUPPORTS_NUMA
2102 help
2103 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2104 Access). This option improves performance on systems with more
2105 than two nodes; on two node systems it is generally better to
2106 leave it disabled; on single node systems disable this option
2107 disabled.
2108
2109config SYS_SUPPORTS_NUMA
2110 bool
2111
c80d79d7
YG
2112config NODES_SHIFT
2113 int
2114 default "6"
2115 depends on NEED_MULTIPLE_NODES
2116
14f70012
DCZ
2117config HW_PERF_EVENTS
2118 bool "Enable hardware performance counter support for perf events"
4be3d2f3 2119 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DCZ
2120 default y
2121 help
2122 Enable hardware performance counter support for perf events. If
2123 disabled, perf events will use software events only.
2124
b4819b59
YY
2125source "mm/Kconfig"
2126
1da177e4
LT
2127config SMP
2128 bool "Multi-Processing support"
e73ea273
RB
2129 depends on SYS_SUPPORTS_SMP
2130 help
1da177e4
LT
2131 This enables support for systems with more than one CPU. If you have
2132 a system with only one CPU, like most personal computers, say N. If
2133 you have a system with more than one CPU, say Y.
2134
2135 If you say N here, the kernel will run on single and multiprocessor
2136 machines, but will use only one CPU of a multiprocessor machine. If
2137 you say Y here, the kernel will run on many, but not all,
2138 singleprocessor machines. On a singleprocessor machine, the kernel
2139 will run faster if you say N here.
2140
2141 People using multiprocessor machines who say Y here should also say
2142 Y to "Enhanced Real Time Clock Support", below.
2143
03502faa
AB
2144 See also the SMP-HOWTO available at
2145 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2146
2147 If you don't know what to do here, say N.
2148
87353d8a
RB
2149config SMP_UP
2150 bool
2151
4a16ff4c
RB
2152config SYS_SUPPORTS_MIPS_CMP
2153 bool
2154
e73ea273
RB
2155config SYS_SUPPORTS_SMP
2156 bool
2157
130e2fb7
RB
2158config NR_CPUS_DEFAULT_4
2159 bool
2160
2161config NR_CPUS_DEFAULT_8
2162 bool
2163
2164config NR_CPUS_DEFAULT_16
2165 bool
2166
2167config NR_CPUS_DEFAULT_32
2168 bool
2169
2170config NR_CPUS_DEFAULT_64
2171 bool
2172
1da177e4
LT
2173config NR_CPUS
2174 int "Maximum number of CPUs (2-64)"
c5eaff3e 2175 range 2 64
1da177e4 2176 depends on SMP
130e2fb7
RB
2177 default "4" if NR_CPUS_DEFAULT_4
2178 default "8" if NR_CPUS_DEFAULT_8
2179 default "16" if NR_CPUS_DEFAULT_16
2180 default "32" if NR_CPUS_DEFAULT_32
2181 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2182 help
2183 This allows you to specify the maximum number of CPUs which this
2184 kernel will support. The maximum supported value is 32 for 32-bit
2185 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2186 sense is 1 for Qemu (useful only for kernel debugging purposes)
2187 and 2 for all others.
1da177e4
LT
2188
2189 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2190 approximately eight kilobytes to the kernel image. For best
2191 performance should round up your number of processors to the next
2192 power of two.
1da177e4 2193
399aaa25
AC
2194config MIPS_PERF_SHARED_TC_COUNTERS
2195 bool
2196
1723b4a3
AN
2197#
2198# Timer Interrupt Frequency Configuration
2199#
2200
2201choice
2202 prompt "Timer frequency"
2203 default HZ_250
2204 help
2205 Allows the configuration of the timer frequency.
2206
2207 config HZ_48
0f873585 2208 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2209
2210 config HZ_100
2211 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2212
2213 config HZ_128
2214 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2215
2216 config HZ_250
2217 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2218
2219 config HZ_256
2220 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2221
2222 config HZ_1000
2223 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2224
2225 config HZ_1024
2226 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2227
2228endchoice
2229
2230config SYS_SUPPORTS_48HZ
2231 bool
2232
2233config SYS_SUPPORTS_100HZ
2234 bool
2235
2236config SYS_SUPPORTS_128HZ
2237 bool
2238
2239config SYS_SUPPORTS_250HZ
2240 bool
2241
2242config SYS_SUPPORTS_256HZ
2243 bool
2244
2245config SYS_SUPPORTS_1000HZ
2246 bool
2247
2248config SYS_SUPPORTS_1024HZ
2249 bool
2250
2251config SYS_SUPPORTS_ARBIT_HZ
2252 bool
2253 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2254 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2255 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2256 !SYS_SUPPORTS_1024HZ
2257
2258config HZ
2259 int
2260 default 48 if HZ_48
2261 default 100 if HZ_100
2262 default 128 if HZ_128
2263 default 250 if HZ_250
2264 default 256 if HZ_256
2265 default 1000 if HZ_1000
2266 default 1024 if HZ_1024
2267
e80de850 2268source "kernel/Kconfig.preempt"
1da177e4 2269
ea6e942b 2270config KEXEC
7d60717e 2271 bool "Kexec system call"
ea6e942b
AN
2272 help
2273 kexec is a system call that implements the ability to shutdown your
2274 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2275 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2276 you can start any kernel with it, not just Linux.
2277
01dd2fbf 2278 The name comes from the similarity to the exec system call.
ea6e942b
AN
2279
2280 It is an ongoing process to be certain the hardware in a machine
2281 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2282 initially work for you. As of this writing the exact hardware
2283 interface is strongly in flux, so no good recommendation can be
2284 made.
ea6e942b 2285
7aa1c8f4
RB
2286config CRASH_DUMP
2287 bool "Kernel crash dumps"
2288 help
2289 Generate crash dump after being started by kexec.
2290 This should be normally only set in special crash dump kernels
2291 which are loaded in the main kernel with kexec-tools into
2292 a specially reserved region and then later executed after
2293 a crash by kdump/kexec. The crash dump kernel must be compiled
2294 to a memory address not used by the main kernel or firmware using
2295 PHYSICAL_START.
2296
2297config PHYSICAL_START
2298 hex "Physical address where the kernel is loaded"
2299 default "0xffffffff84000000" if 64BIT
2300 default "0x84000000" if 32BIT
2301 depends on CRASH_DUMP
2302 help
2303 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2304 If you plan to use kernel for capturing the crash dump change
2305 this value to start of the reserved region (the "X" value as
2306 specified in the "crashkernel=YM@XM" command line boot parameter
2307 passed to the panic-ed kernel).
2308
ea6e942b
AN
2309config SECCOMP
2310 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2311 depends on PROC_FS
ea6e942b
AN
2312 default y
2313 help
2314 This kernel feature is useful for number crunching applications
2315 that may need to compute untrusted bytecode during their
2316 execution. By using pipes or other transports made available to
2317 the process as file descriptors supporting the read/write
2318 syscalls, it's possible to isolate those applications in
2319 their own address space using seccomp. Once seccomp is
2320 enabled via /proc/<pid>/seccomp, it cannot be disabled
2321 and the task is only allowed to execute a few safe syscalls
2322 defined by each seccomp mode.
2323
2324 If unsure, say Y. Only embedded should say N here.
2325
f2ffa5ab 2326config USE_OF
0b3e06fd 2327 bool
f2ffa5ab 2328 select OF
e6ce1324 2329 select OF_EARLY_FLATTREE
abd2363f 2330 select IRQ_DOMAIN
f2ffa5ab 2331
5e83d430
RB
2332endmenu
2333
1df0f0ff
AN
2334config LOCKDEP_SUPPORT
2335 bool
2336 default y
2337
2338config STACKTRACE_SUPPORT
2339 bool
2340 default y
2341
b6c3539b
RB
2342source "init/Kconfig"
2343
dc52ddc0
MH
2344source "kernel/Kconfig.freezer"
2345
1da177e4
LT
2346menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2347
5e83d430
RB
2348config HW_HAS_EISA
2349 bool
1da177e4
LT
2350config HW_HAS_PCI
2351 bool
2352
2353config PCI
2354 bool "Support for PCI controller"
2355 depends on HW_HAS_PCI
abb4ae46 2356 select PCI_DOMAINS
0f3b3956 2357 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2358 help
2359 Find out whether you have a PCI motherboard. PCI is the name of a
2360 bus system, i.e. the way the CPU talks to the other stuff inside
2361 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2362 say Y, otherwise N.
2363
1da177e4
LT
2364config PCI_DOMAINS
2365 bool
1da177e4
LT
2366
2367source "drivers/pci/Kconfig"
2368
3f787ca4
JG
2369source "drivers/pci/pcie/Kconfig"
2370
1da177e4
LT
2371#
2372# ISA support is now enabled via select. Too many systems still have the one
2373# or other ISA chip on the board that users don't know about so don't expect
2374# users to choose the right thing ...
2375#
2376config ISA
2377 bool
2378
2379config EISA
2380 bool "EISA support"
5e83d430 2381 depends on HW_HAS_EISA
1da177e4 2382 select ISA
aa414dff 2383 select GENERIC_ISA_DMA
1da177e4
LT
2384 ---help---
2385 The Extended Industry Standard Architecture (EISA) bus was
2386 developed as an open alternative to the IBM MicroChannel bus.
2387
2388 The EISA bus provided some of the features of the IBM MicroChannel
2389 bus while maintaining backward compatibility with cards made for
2390 the older ISA bus. The EISA bus saw limited use between 1988 and
2391 1995 when it was made obsolete by the PCI bus.
2392
2393 Say Y here if you are building a kernel for an EISA-based machine.
2394
2395 Otherwise, say N.
2396
2397source "drivers/eisa/Kconfig"
2398
2399config TC
2400 bool "TURBOchannel support"
2401 depends on MACH_DECSTATION
2402 help
50a23e6e
JM
2403 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2404 processors. TURBOchannel programming specifications are available
2405 at:
2406 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2407 and:
2408 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2409 Linux driver support status is documented at:
2410 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2411
1da177e4
LT
2412config MMU
2413 bool
2414 default y
2415
d865bea4
RB
2416config I8253
2417 bool
798778b8 2418 select CLKSRC_I8253
2d02612f 2419 select CLKEVT_I8253
9726b43a 2420 select MIPS_EXTERNAL_TIMER
d865bea4 2421
e05eb3f8
RB
2422config ZONE_DMA
2423 bool
2424
cce335ae
RB
2425config ZONE_DMA32
2426 bool
2427
1da177e4
LT
2428source "drivers/pcmcia/Kconfig"
2429
2430source "drivers/pci/hotplug/Kconfig"
2431
388b78ad
AB
2432config RAPIDIO
2433 bool "RapidIO support"
2434 depends on PCI
2435 default n
2436 help
2437 If you say Y here, the kernel will include drivers and
2438 infrastructure code to support RapidIO interconnect devices.
2439
2440source "drivers/rapidio/Kconfig"
2441
1da177e4
LT
2442endmenu
2443
2444menu "Executable file formats"
2445
2446source "fs/Kconfig.binfmt"
2447
2448config TRAD_SIGNALS
2449 bool
1da177e4 2450
1da177e4
LT
2451config MIPS32_COMPAT
2452 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2453 depends on 64BIT
1da177e4
LT
2454 help
2455 Select this option if you want Linux/MIPS 32-bit binary
2456 compatibility. Since all software available for Linux/MIPS is
2457 currently 32-bit you should say Y here.
2458
2459config COMPAT
2460 bool
2461 depends on MIPS32_COMPAT
48b25c43 2462 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2463 default y
2464
05e43966
AN
2465config SYSVIPC_COMPAT
2466 bool
2467 depends on COMPAT && SYSVIPC
2468 default y
2469
1da177e4
LT
2470config MIPS32_O32
2471 bool "Kernel support for o32 binaries"
2472 depends on MIPS32_COMPAT
2473 help
2474 Select this option if you want to run o32 binaries. These are pure
2475 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2476 existing binaries are in this format.
2477
2478 If unsure, say Y.
2479
2480config MIPS32_N32
2481 bool "Kernel support for n32 binaries"
2482 depends on MIPS32_COMPAT
2483 help
2484 Select this option if you want to run n32 binaries. These are
2485 64-bit binaries using 32-bit quantities for addressing and certain
2486 data that would normally be 64-bit. They are used in special
2487 cases.
2488
2489 If unsure, say N.
2490
2491config BINFMT_ELF32
2492 bool
2493 default y if MIPS32_O32 || MIPS32_N32
2494
2116245e
RB
2495endmenu
2496
2497menu "Power management options"
2498
363c55ca
WZ
2499config ARCH_HIBERNATION_POSSIBLE
2500 def_bool y
3f5b3e17 2501 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2502
f4cb5700
JB
2503config ARCH_SUSPEND_POSSIBLE
2504 def_bool y
3f5b3e17 2505 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2506
2116245e 2507source "kernel/power/Kconfig"
952fa954 2508
1da177e4
LT
2509endmenu
2510
7a998935
VK
2511config MIPS_EXTERNAL_TIMER
2512 bool
2513
2514if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2515menu "CPU Power Management"
2516source "drivers/cpufreq/Kconfig"
2517endmenu
2518endif
9726b43a 2519
d5950b43
SR
2520source "net/Kconfig"
2521
1da177e4
LT
2522source "drivers/Kconfig"
2523
98cdee0e
RB
2524source "drivers/firmware/Kconfig"
2525
1da177e4
LT
2526source "fs/Kconfig"
2527
2528source "arch/mips/Kconfig.debug"
2529
2530source "security/Kconfig"
2531
2532source "crypto/Kconfig"
2533
2534source "lib/Kconfig"
2235a54d
SL
2535
2536source "arch/mips/kvm/Kconfig"
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