arm64: mm: Introduce PTE_WRITE
[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
1da177e4 50
1da177e4
LT
51menu "Machine selection"
52
5e83d430
RB
53choice
54 prompt "System type"
55 default SGI_IP22
1da177e4 56
42a4f17d 57config MIPS_ALCHEMY
c3543e25 58 bool "Alchemy processor based machines"
42a4f17d 59 select 64BIT_PHYS_ADDR
f772cdb2 60 select CEVT_R4K
d7ea335c 61 select CSRC_R4K
42a4f17d
ML
62 select IRQ_CPU
63 select SYS_HAS_CPU_MIPS32_R1
64 select SYS_SUPPORTS_32BIT_KERNEL
65 select SYS_SUPPORTS_APM_EMULATION
efb12436 66 select ARCH_REQUIRE_GPIOLIB
1b93b3c3 67 select SYS_SUPPORTS_ZBOOT
37663860
ML
68 select USB_ARCH_HAS_OHCI
69 select USB_ARCH_HAS_EHCI
1da177e4 70
7ca5dc14
FF
71config AR7
72 bool "Texas Instruments AR7"
73 select BOOT_ELF32
74 select DMA_NONCOHERENT
75 select CEVT_R4K
76 select CSRC_R4K
77 select IRQ_CPU
78 select NO_EXCEPT_FILL
79 select SWAP_IO_SPACE
80 select SYS_HAS_CPU_MIPS32_R1
81 select SYS_HAS_EARLY_PRINTK
82 select SYS_SUPPORTS_32BIT_KERNEL
83 select SYS_SUPPORTS_LITTLE_ENDIAN
1b93b3c3 84 select SYS_SUPPORTS_ZBOOT_UART16550
5f3c9098 85 select ARCH_REQUIRE_GPIOLIB
7ca5dc14 86 select VLYNQ
8551fb64 87 select HAVE_CLK
7ca5dc14
FF
88 help
89 Support for the Texas Instruments AR7 System-on-a-Chip
90 family: TNETD7100, 7200 and 7300.
91
d4a67d9d
GJ
92config ATH79
93 bool "Atheros AR71XX/AR724X/AR913X based boards"
6eae43c5 94 select ARCH_REQUIRE_GPIOLIB
d4a67d9d
GJ
95 select BOOT_RAW
96 select CEVT_R4K
97 select CSRC_R4K
98 select DMA_NONCOHERENT
94638067 99 select HAVE_CLK
2c4f1ac5 100 select CLKDEV_LOOKUP
d4a67d9d 101 select IRQ_CPU
0aabf1a4 102 select MIPS_MACHINE
d4a67d9d
GJ
103 select SYS_HAS_CPU_MIPS32_R2
104 select SYS_HAS_EARLY_PRINTK
105 select SYS_SUPPORTS_32BIT_KERNEL
106 select SYS_SUPPORTS_BIG_ENDIAN
107 help
108 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
109
1c0c13eb 110config BCM47XX
c619366e 111 bool "Broadcom BCM47XX based boards"
2da4c74d 112 select ARCH_WANT_OPTIONAL_GPIOLIB
fe08f8c2 113 select BOOT_RAW
42f77542 114 select CEVT_R4K
940f6b48 115 select CSRC_R4K
1c0c13eb 116 select DMA_NONCOHERENT
0e2794b0 117 select FW_CFE
1c0c13eb
AJ
118 select HW_HAS_PCI
119 select IRQ_CPU
314878d2 120 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 121 select NO_EXCEPT_FILL
1c0c13eb
AJ
122 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN
25e5fb97 124 select SYS_HAS_EARLY_PRINTK
1c0c13eb
AJ
125 help
126 Support for BCM47XX based boards
127
e7300d04
MB
128config BCM63XX
129 bool "Broadcom BCM63XX based boards"
ae8de61c 130 select BOOT_RAW
e7300d04
MB
131 select CEVT_R4K
132 select CSRC_R4K
133 select DMA_NONCOHERENT
134 select IRQ_CPU
135 select SYS_HAS_CPU_MIPS32_R1
d6e34698 136 select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
e7300d04
MB
137 select SYS_SUPPORTS_32BIT_KERNEL
138 select SYS_SUPPORTS_BIG_ENDIAN
139 select SYS_HAS_EARLY_PRINTK
140 select SWAP_IO_SPACE
141 select ARCH_REQUIRE_GPIOLIB
3e82eeeb 142 select HAVE_CLK
e7300d04
MB
143 help
144 Support for BCM63XX based boards
145
1da177e4 146config MIPS_COBALT
3fa986fa 147 bool "Cobalt Server"
42f77542 148 select CEVT_R4K
940f6b48 149 select CSRC_R4K
1097c6ac 150 select CEVT_GT641XX
1da177e4 151 select DMA_NONCOHERENT
8a8594a7 152 select EARLY_PRINTK_8250 if EARLY_PRINTK
1da177e4 153 select HW_HAS_PCI
d865bea4 154 select I8253
1da177e4
LT
155 select I8259
156 select IRQ_CPU
d5ab1a69 157 select IRQ_GT641XX
252161ec 158 select PCI_GT64XXX_PCI0
e25bfc92 159 select PCI
7cf8053b 160 select SYS_HAS_CPU_NEVADA
0a22e0d4 161 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 162 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 163 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 164 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4
LT
165
166config MACH_DECSTATION
3fa986fa 167 bool "DECstations"
1da177e4 168 select BOOT_ELF32
6457d9fc 169 select CEVT_DS1287
42f77542 170 select CEVT_R4K
4247417d 171 select CSRC_IOASIC
940f6b48 172 select CSRC_R4K
20d60d99
MR
173 select CPU_DADDI_WORKAROUNDS if 64BIT
174 select CPU_R4000_WORKAROUNDS if 64BIT
175 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 176 select DMA_NONCOHERENT
d388d685 177 select NO_IOPORT
1da177e4 178 select IRQ_CPU
7cf8053b
RB
179 select SYS_HAS_CPU_R3000
180 select SYS_HAS_CPU_R4X00
ed5ba2fb 181 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 182 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 183 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
184 select SYS_SUPPORTS_128HZ
185 select SYS_SUPPORTS_256HZ
186 select SYS_SUPPORTS_1024HZ
5e83d430 187 help
1da177e4
LT
188 This enables support for DEC's MIPS based workstations. For details
189 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
190 DECstation porting pages on <http://decstation.unix-ag.org/>.
191
192 If you have one of the following DECstation Models you definitely
193 want to choose R4xx0 for the CPU Type:
194
9308816c
RB
195 DECstation 5000/50
196 DECstation 5000/150
197 DECstation 5000/260
198 DECsystem 5900/260
1da177e4
LT
199
200 otherwise choose R3000.
201
5e83d430 202config MACH_JAZZ
3fa986fa 203 bool "Jazz family of machines"
0e2794b0
RB
204 select FW_ARC
205 select FW_ARC32
5e83d430 206 select ARCH_MAY_HAVE_PC_FDC
42f77542 207 select CEVT_R4K
940f6b48 208 select CSRC_R4K
e2defae5 209 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 210 select GENERIC_ISA_DMA
8a118c38 211 select HAVE_PCSPKR_PLATFORM
ea202c63 212 select IRQ_CPU
d865bea4 213 select I8253
5e83d430
RB
214 select I8259
215 select ISA
7cf8053b 216 select SYS_HAS_CPU_R4X00
5e83d430 217 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 218 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 219 select SYS_SUPPORTS_100HZ
1da177e4 220 help
5e83d430
RB
221 This a family of machines based on the MIPS R4030 chipset which was
222 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 223 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
224 Olivetti M700-10 workstations.
225
5ebabe59
LPC
226config MACH_JZ4740
227 bool "Ingenic JZ4740 based machines"
228 select SYS_HAS_CPU_MIPS32_R1
229 select SYS_SUPPORTS_32BIT_KERNEL
230 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 231 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59
LPC
232 select DMA_NONCOHERENT
233 select IRQ_CPU
5ebabe59
LPC
234 select ARCH_REQUIRE_GPIOLIB
235 select SYS_HAS_EARLY_PRINTK
236 select HAVE_PWM
ab5330eb 237 select HAVE_CLK
83bc7692 238 select GENERIC_IRQ_CHIP
5ebabe59 239
171bb2f1
JC
240config LANTIQ
241 bool "Lantiq based platforms"
242 select DMA_NONCOHERENT
243 select IRQ_CPU
244 select CEVT_R4K
245 select CSRC_R4K
246 select SYS_HAS_CPU_MIPS32_R1
247 select SYS_HAS_CPU_MIPS32_R2
248 select SYS_SUPPORTS_BIG_ENDIAN
249 select SYS_SUPPORTS_32BIT_KERNEL
250 select SYS_SUPPORTS_MULTITHREADING
251 select SYS_HAS_EARLY_PRINTK
252 select ARCH_REQUIRE_GPIOLIB
253 select SWAP_IO_SPACE
254 select BOOT_RAW
287e3f3f
JC
255 select HAVE_MACH_CLKDEV
256 select CLKDEV_LOOKUP
a0392222 257 select USE_OF
3f8c50c9
JC
258 select PINCTRL
259 select PINCTRL_LANTIQ
171bb2f1 260
1f21d2bd
BM
261config LASAT
262 bool "LASAT Networks platforms"
42f77542 263 select CEVT_R4K
940f6b48 264 select CSRC_R4K
1f21d2bd
BM
265 select DMA_NONCOHERENT
266 select SYS_HAS_EARLY_PRINTK
267 select HW_HAS_PCI
a5ccfe5c 268 select IRQ_CPU
1f21d2bd
BM
269 select PCI_GT64XXX_PCI0
270 select MIPS_NILE4
271 select R5000_CPU_SCACHE
272 select SYS_HAS_CPU_R5000
273 select SYS_SUPPORTS_32BIT_KERNEL
274 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
275 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 276
85749d24
WZ
277config MACH_LOONGSON
278 bool "Loongson family of machines"
c7e8c668 279 select SYS_SUPPORTS_ZBOOT
ade299d8 280 help
85749d24
WZ
281 This enables the support of Loongson family of machines.
282
283 Loongson is a family of general-purpose MIPS-compatible CPUs.
284 developed at Institute of Computing Technology (ICT),
285 Chinese Academy of Sciences (CAS) in the People's Republic
286 of China. The chief architect is Professor Weiwu Hu.
ade299d8 287
ca585cf9
KC
288config MACH_LOONGSON1
289 bool "Loongson 1 family of machines"
290 select SYS_SUPPORTS_ZBOOT
291 help
292 This enables support for the Loongson 1 based machines.
293
294 Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
295 the ICT (Institute of Computing Technology) and the Chinese Academy
296 of Sciences.
297
1da177e4 298config MIPS_MALTA
3fa986fa 299 bool "MIPS Malta board"
61ed242d 300 select ARCH_MAY_HAVE_PC_FDC
1da177e4 301 select BOOT_ELF32
fa71c960 302 select BOOT_RAW
42f77542 303 select CEVT_R4K
940f6b48 304 select CSRC_R4K
778eeb1b 305 select CSRC_GIC
1da177e4
LT
306 select DMA_NONCOHERENT
307 select GENERIC_ISA_DMA
8a118c38 308 select HAVE_PCSPKR_PLATFORM
aa414dff 309 select IRQ_CPU
39b8d525 310 select IRQ_GIC
1da177e4 311 select HW_HAS_PCI
d865bea4 312 select I8253
1da177e4 313 select I8259
5e83d430 314 select MIPS_BONITO64
9318c51a 315 select MIPS_CPU_SCACHE
252161ec 316 select PCI_GT64XXX_PCI0
5e83d430 317 select MIPS_MSC
1da177e4 318 select SWAP_IO_SPACE
7cf8053b
RB
319 select SYS_HAS_CPU_MIPS32_R1
320 select SYS_HAS_CPU_MIPS32_R2
321 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 322 select SYS_HAS_CPU_MIPS64_R2
7cf8053b
RB
323 select SYS_HAS_CPU_NEVADA
324 select SYS_HAS_CPU_RM7000
36a88530 325 select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
326 select SYS_SUPPORTS_32BIT_KERNEL
327 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430
RB
328 select SYS_SUPPORTS_BIG_ENDIAN
329 select SYS_SUPPORTS_LITTLE_ENDIAN
0365070f 330 select SYS_SUPPORTS_MIPS_CMP
f41ae0b2 331 select SYS_SUPPORTS_MULTITHREADING
9693a853 332 select SYS_SUPPORTS_SMARTMIPS
1b93b3c3 333 select SYS_SUPPORTS_ZBOOT
1da177e4 334 help
f638d197 335 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
336 board.
337
ec47b274
SH
338config MIPS_SEAD3
339 bool "MIPS SEAD3 board"
340 select BOOT_ELF32
341 select BOOT_RAW
342 select CEVT_R4K
343 select CSRC_R4K
dfa762e1 344 select CSRC_GIC
ec47b274
SH
345 select CPU_MIPSR2_IRQ_VI
346 select CPU_MIPSR2_IRQ_EI
347 select DMA_NONCOHERENT
348 select IRQ_CPU
349 select IRQ_GIC
ec47b274
SH
350 select MIPS_MSC
351 select SYS_HAS_CPU_MIPS32_R1
352 select SYS_HAS_CPU_MIPS32_R2
353 select SYS_HAS_CPU_MIPS64_R1
354 select SYS_HAS_EARLY_PRINTK
355 select SYS_SUPPORTS_32BIT_KERNEL
356 select SYS_SUPPORTS_64BIT_KERNEL
357 select SYS_SUPPORTS_BIG_ENDIAN
358 select SYS_SUPPORTS_LITTLE_ENDIAN
359 select SYS_SUPPORTS_SMARTMIPS
a6a4834c 360 select SYS_SUPPORTS_MICROMIPS
ec47b274
SH
361 select USB_ARCH_HAS_EHCI
362 select USB_EHCI_BIG_ENDIAN_DESC
363 select USB_EHCI_BIG_ENDIAN_MMIO
9b731009 364 select USE_OF
ec47b274
SH
365 help
366 This enables support for the MIPS Technologies SEAD3 evaluation
367 board.
368
a83860c2
RB
369config NEC_MARKEINS
370 bool "NEC EMMA2RH Mark-eins board"
371 select SOC_EMMA2RH
372 select HW_HAS_PCI
373 help
374 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 375
5e83d430 376config MACH_VR41XX
74142d65 377 bool "NEC VR4100 series based machines"
42f77542 378 select CEVT_R4K
940f6b48 379 select CSRC_R4K
7cf8053b 380 select SYS_HAS_CPU_VR41XX
27fdd325 381 select ARCH_REQUIRE_GPIOLIB
5e83d430 382
edb6310a
DL
383config NXP_STB220
384 bool "NXP STB220 board"
385 select SOC_PNX833X
386 help
387 Support for NXP Semiconductors STB220 Development Board.
388
389config NXP_STB225
390 bool "NXP 225 board"
391 select SOC_PNX833X
392 select SOC_PNX8335
393 help
394 Support for NXP Semiconductors STB225 Development Board.
395
9267a30d
MSJ
396config PMC_MSP
397 bool "PMC-Sierra MSP chipsets"
39d30c13
A
398 select CEVT_R4K
399 select CSRC_R4K
9267a30d
MSJ
400 select DMA_NONCOHERENT
401 select SWAP_IO_SPACE
402 select NO_EXCEPT_FILL
403 select BOOT_RAW
404 select SYS_HAS_CPU_MIPS32_R1
405 select SYS_HAS_CPU_MIPS32_R2
406 select SYS_SUPPORTS_32BIT_KERNEL
407 select SYS_SUPPORTS_BIG_ENDIAN
9267a30d
MSJ
408 select IRQ_CPU
409 select SERIAL_8250
410 select SERIAL_8250_CONSOLE
9296d94d
FF
411 select USB_EHCI_BIG_ENDIAN_MMIO
412 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
413 help
414 This adds support for the PMC-Sierra family of Multi-Service
415 Processor System-On-A-Chips. These parts include a number
416 of integrated peripherals, interfaces and DSPs in addition to
417 a variety of MIPS cores.
418
ae2b5bb6
JC
419config RALINK
420 bool "Ralink based machines"
421 select CEVT_R4K
422 select CSRC_R4K
423 select BOOT_RAW
424 select DMA_NONCOHERENT
425 select IRQ_CPU
426 select USE_OF
427 select SYS_HAS_CPU_MIPS32_R1
428 select SYS_HAS_CPU_MIPS32_R2
429 select SYS_SUPPORTS_32BIT_KERNEL
430 select SYS_SUPPORTS_LITTLE_ENDIAN
431 select SYS_HAS_EARLY_PRINTK
432 select HAVE_MACH_CLKDEV
433 select CLKDEV_LOOKUP
2a153f1c
JC
434 select ARCH_HAS_RESET_CONTROLLER
435 select RESET_CONTROLLER
ae2b5bb6 436
1da177e4 437config SGI_IP22
3fa986fa 438 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
439 select FW_ARC
440 select FW_ARC32
1da177e4 441 select BOOT_ELF32
42f77542 442 select CEVT_R4K
940f6b48 443 select CSRC_R4K
e2defae5 444 select DEFAULT_SGI_PARTITION
1da177e4 445 select DMA_NONCOHERENT
5e83d430 446 select HW_HAS_EISA
d865bea4 447 select I8253
68de4803 448 select I8259
1da177e4
LT
449 select IP22_CPU_SCACHE
450 select IRQ_CPU
aa414dff 451 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
452 select SGI_HAS_I8042
453 select SGI_HAS_INDYDOG
36e5c21d 454 select SGI_HAS_HAL2
e2defae5
TB
455 select SGI_HAS_SEEQ
456 select SGI_HAS_WD93
457 select SGI_HAS_ZILOG
1da177e4 458 select SWAP_IO_SPACE
7cf8053b
RB
459 select SYS_HAS_CPU_R4X00
460 select SYS_HAS_CPU_R5000
2b5e63f6
MM
461 #
462 # Disable EARLY_PRINTK for now since it leads to overwritten prom
463 # memory during early boot on some machines.
464 #
465 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
466 # for a more details discussion
467 #
468 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
469 select SYS_SUPPORTS_32BIT_KERNEL
470 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 471 select SYS_SUPPORTS_BIG_ENDIAN
1da177e4
LT
472 help
473 This are the SGI Indy, Challenge S and Indigo2, as well as certain
474 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
475 that runs on these, say Y here.
476
477config SGI_IP27
3fa986fa 478 bool "SGI IP27 (Origin200/2000)"
0e2794b0
RB
479 select FW_ARC
480 select FW_ARC64
5e83d430 481 select BOOT_ELF64
e2defae5 482 select DEFAULT_SGI_PARTITION
634286f1 483 select DMA_COHERENT
36a88530 484 select SYS_HAS_EARLY_PRINTK
1da177e4 485 select HW_HAS_PCI
130e2fb7 486 select NR_CPUS_DEFAULT_64
7cf8053b 487 select SYS_HAS_CPU_R10000
ed5ba2fb 488 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 489 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 490 select SYS_SUPPORTS_NUMA
1a5c5de1 491 select SYS_SUPPORTS_SMP
1da177e4
LT
492 help
493 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
494 workstations. To compile a Linux kernel that runs on these, say Y
495 here.
496
e2defae5 497config SGI_IP28
7d60717e 498 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
499 select FW_ARC
500 select FW_ARC64
e2defae5
TB
501 select BOOT_ELF64
502 select CEVT_R4K
503 select CSRC_R4K
504 select DEFAULT_SGI_PARTITION
505 select DMA_NONCOHERENT
506 select GENERIC_ISA_DMA_SUPPORT_BROKEN
507 select IRQ_CPU
508 select HW_HAS_EISA
509 select I8253
510 select I8259
e2defae5
TB
511 select SGI_HAS_I8042
512 select SGI_HAS_INDYDOG
5b438c44 513 select SGI_HAS_HAL2
e2defae5
TB
514 select SGI_HAS_SEEQ
515 select SGI_HAS_WD93
516 select SGI_HAS_ZILOG
517 select SWAP_IO_SPACE
518 select SYS_HAS_CPU_R10000
2b5e63f6
MM
519 #
520 # Disable EARLY_PRINTK for now since it leads to overwritten prom
521 # memory during early boot on some machines.
522 #
523 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
524 # for a more details discussion
525 #
526 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
527 select SYS_SUPPORTS_64BIT_KERNEL
528 select SYS_SUPPORTS_BIG_ENDIAN
529 help
530 This is the SGI Indigo2 with R10000 processor. To compile a Linux
531 kernel that runs on these, say Y here.
532
1da177e4 533config SGI_IP32
cfd2afc0 534 bool "SGI IP32 (O2)"
0e2794b0
RB
535 select FW_ARC
536 select FW_ARC32
1da177e4 537 select BOOT_ELF32
42f77542 538 select CEVT_R4K
940f6b48 539 select CSRC_R4K
1da177e4
LT
540 select DMA_NONCOHERENT
541 select HW_HAS_PCI
dd67b155 542 select IRQ_CPU
1da177e4
LT
543 select R5000_CPU_SCACHE
544 select RM7000_CPU_SCACHE
7cf8053b
RB
545 select SYS_HAS_CPU_R5000
546 select SYS_HAS_CPU_R10000 if BROKEN
547 select SYS_HAS_CPU_RM7000
dd2f18fe 548 select SYS_HAS_CPU_NEVADA
ed5ba2fb 549 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 550 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 551 help
5e83d430 552 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 553
ade299d8
YY
554config SIBYTE_CRHINE
555 bool "Sibyte BCM91120C-CRhine"
9a6dcea1
AI
556 select BOOT_ELF32
557 select DMA_COHERENT
ade299d8 558 select SIBYTE_BCM1120
9a6dcea1 559 select SWAP_IO_SPACE
7cf8053b 560 select SYS_HAS_CPU_SB1
9a6dcea1
AI
561 select SYS_SUPPORTS_BIG_ENDIAN
562 select SYS_SUPPORTS_LITTLE_ENDIAN
563
ade299d8
YY
564config SIBYTE_CARMEL
565 bool "Sibyte BCM91120x-Carmel"
5e83d430 566 select BOOT_ELF32
1da177e4 567 select DMA_COHERENT
ade299d8 568 select SIBYTE_BCM1120
5e83d430 569 select SWAP_IO_SPACE
7cf8053b 570 select SYS_HAS_CPU_SB1
81731f79 571 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 572 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 573
ade299d8
YY
574config SIBYTE_CRHONE
575 bool "Sibyte BCM91125C-CRhone"
5e83d430
RB
576 select BOOT_ELF32
577 select DMA_COHERENT
ade299d8 578 select SIBYTE_BCM1125
5e83d430 579 select SWAP_IO_SPACE
7cf8053b 580 select SYS_HAS_CPU_SB1
5e83d430 581 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 582 select SYS_SUPPORTS_HIGHMEM
5e83d430 583 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 584
5e83d430 585config SIBYTE_RHONE
3fa986fa 586 bool "Sibyte BCM91125E-Rhone"
5e83d430
RB
587 select BOOT_ELF32
588 select DMA_COHERENT
589 select SIBYTE_BCM1125H
590 select SWAP_IO_SPACE
7cf8053b 591 select SYS_HAS_CPU_SB1
5e83d430
RB
592 select SYS_SUPPORTS_BIG_ENDIAN
593 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 594
ade299d8
YY
595config SIBYTE_SWARM
596 bool "Sibyte BCM91250A-SWARM"
5e83d430 597 select BOOT_ELF32
26a940e2 598 select DMA_COHERENT
fcf3ca4c 599 select HAVE_PATA_PLATFORM
ade299d8 600 select SIBYTE_SB1250
5e83d430 601 select SWAP_IO_SPACE
7cf8053b 602 select SYS_HAS_CPU_SB1
5e83d430 603 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 604 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 605 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 606 select ZONE_DMA32 if 64BIT
e3ad1c23 607
ade299d8
YY
608config SIBYTE_LITTLESUR
609 bool "Sibyte BCM91250C2-LittleSur"
5e83d430
RB
610 select BOOT_ELF32
611 select DMA_COHERENT
fcf3ca4c 612 select HAVE_PATA_PLATFORM
5e83d430
RB
613 select SIBYTE_SB1250
614 select SWAP_IO_SPACE
7cf8053b 615 select SYS_HAS_CPU_SB1
5e83d430
RB
616 select SYS_SUPPORTS_BIG_ENDIAN
617 select SYS_SUPPORTS_HIGHMEM
618 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 619
ade299d8
YY
620config SIBYTE_SENTOSA
621 bool "Sibyte BCM91250E-Sentosa"
5e83d430
RB
622 select BOOT_ELF32
623 select DMA_COHERENT
624 select SIBYTE_SB1250
625 select SWAP_IO_SPACE
7cf8053b 626 select SYS_HAS_CPU_SB1
5e83d430 627 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 628 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 629
ade299d8
YY
630config SIBYTE_BIGSUR
631 bool "Sibyte BCM91480B-BigSur"
5e83d430
RB
632 select BOOT_ELF32
633 select DMA_COHERENT
ade299d8 634 select NR_CPUS_DEFAULT_4
ade299d8 635 select SIBYTE_BCM1x80
5e83d430 636 select SWAP_IO_SPACE
7cf8053b 637 select SYS_HAS_CPU_SB1
5e83d430 638 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 639 select SYS_SUPPORTS_HIGHMEM
5e83d430 640 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 641 select ZONE_DMA32 if 64BIT
1da177e4 642
14b36af4
TB
643config SNI_RM
644 bool "SNI RM200/300/400"
0e2794b0
RB
645 select FW_ARC if CPU_LITTLE_ENDIAN
646 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 647 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 648 select ARCH_MAY_HAVE_PC_FDC
1da177e4 649 select BOOT_ELF32
42f77542 650 select CEVT_R4K
940f6b48 651 select CSRC_R4K
e2defae5 652 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
653 select DMA_NONCOHERENT
654 select GENERIC_ISA_DMA
8a118c38 655 select HAVE_PCSPKR_PLATFORM
5e83d430 656 select HW_HAS_EISA
1da177e4 657 select HW_HAS_PCI
c066a32a 658 select IRQ_CPU
d865bea4 659 select I8253
1da177e4
LT
660 select I8259
661 select ISA
4a0312fc 662 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 663 select SYS_HAS_CPU_R4X00
4a0312fc 664 select SYS_HAS_CPU_R5000
c066a32a 665 select SYS_HAS_CPU_R10000
4a0312fc 666 select R5000_CPU_SCACHE
36a88530 667 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 668 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 669 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 670 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 671 select SYS_SUPPORTS_HIGHMEM
5e83d430 672 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 673 help
14b36af4
TB
674 The SNI RM200/300/400 are MIPS-based machines manufactured by
675 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
676 Technology and now in turn merged with Fujitsu. Say Y here to
677 support this machine type.
678
edcaf1a6
AN
679config MACH_TX39XX
680 bool "Toshiba TX39 series based machines"
5e83d430 681
edcaf1a6
AN
682config MACH_TX49XX
683 bool "Toshiba TX49 series based machines"
5e83d430 684
73b4390f
RB
685config MIKROTIK_RB532
686 bool "Mikrotik RB532 boards"
687 select CEVT_R4K
688 select CSRC_R4K
689 select DMA_NONCOHERENT
73b4390f
RB
690 select HW_HAS_PCI
691 select IRQ_CPU
692 select SYS_HAS_CPU_MIPS32_R1
693 select SYS_SUPPORTS_32BIT_KERNEL
694 select SYS_SUPPORTS_LITTLE_ENDIAN
695 select SWAP_IO_SPACE
696 select BOOT_RAW
d888e25b 697 select ARCH_REQUIRE_GPIOLIB
73b4390f
RB
698 help
699 Support the Mikrotik(tm) RouterBoard 532 series,
700 based on the IDT RC32434 SoC.
701
9ddebc46
DD
702config CAVIUM_OCTEON_SOC
703 bool "Cavium Networks Octeon SoC based boards"
a86c7f72
DD
704 select CEVT_R4K
705 select 64BIT_PHYS_ADDR
706 select DMA_COHERENT
707 select SYS_SUPPORTS_64BIT_KERNEL
708 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 709 select EDAC_SUPPORT
773cb77d 710 select SYS_SUPPORTS_HOTPLUG_CPU
a86c7f72 711 select SYS_HAS_EARLY_PRINTK
5e683389 712 select SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 713 select SWAP_IO_SPACE
e8635b48 714 select HW_HAS_PCI
f00e001e 715 select ZONE_DMA32
340fbb8b
DD
716 select USB_ARCH_HAS_OHCI
717 select USB_ARCH_HAS_EHCI
465aaed0 718 select HOLES_IN_ZONE
99cab4bb 719 select ARCH_REQUIRE_GPIOLIB
a86c7f72
DD
720 help
721 This option supports all of the Octeon reference boards from Cavium
722 Networks. It builds a kernel that dynamically determines the Octeon
723 CPU type and supports all known board reference implementations.
724 Some of the supported boards are:
725 EBT3000
726 EBH3000
727 EBH3100
728 Thunder
729 Kodama
730 Hikari
731 Say Y here for most Octeon reference boards.
732
7f058e85
J
733config NLM_XLR_BOARD
734 bool "Netlogic XLR/XLS based systems"
7f058e85
J
735 select BOOT_ELF32
736 select NLM_COMMON
7f058e85
J
737 select SYS_HAS_CPU_XLR
738 select SYS_SUPPORTS_SMP
739 select HW_HAS_PCI
740 select SWAP_IO_SPACE
741 select SYS_SUPPORTS_32BIT_KERNEL
742 select SYS_SUPPORTS_64BIT_KERNEL
743 select 64BIT_PHYS_ADDR
744 select SYS_SUPPORTS_BIG_ENDIAN
745 select SYS_SUPPORTS_HIGHMEM
746 select DMA_COHERENT
747 select NR_CPUS_DEFAULT_32
748 select CEVT_R4K
749 select CSRC_R4K
750 select IRQ_CPU
b97215fd 751 select ZONE_DMA32 if 64BIT
7f058e85
J
752 select SYNC_R4K
753 select SYS_HAS_EARLY_PRINTK
f35574a3
J
754 select USB_ARCH_HAS_OHCI if USB_SUPPORT
755 select USB_ARCH_HAS_EHCI if USB_SUPPORT
8f0b0430
J
756 select SYS_SUPPORTS_ZBOOT
757 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
758 help
759 Support for systems based on Netlogic XLR and XLS processors.
760 Say Y here if you have a XLR or XLS based board.
761
1c773ea4
J
762config NLM_XLP_BOARD
763 bool "Netlogic XLP based systems"
1c773ea4
J
764 select BOOT_ELF32
765 select NLM_COMMON
766 select SYS_HAS_CPU_XLP
767 select SYS_SUPPORTS_SMP
768 select HW_HAS_PCI
1c773ea4
J
769 select SYS_SUPPORTS_32BIT_KERNEL
770 select SYS_SUPPORTS_64BIT_KERNEL
771 select 64BIT_PHYS_ADDR
772 select SYS_SUPPORTS_BIG_ENDIAN
773 select SYS_SUPPORTS_LITTLE_ENDIAN
774 select SYS_SUPPORTS_HIGHMEM
775 select DMA_COHERENT
776 select NR_CPUS_DEFAULT_32
777 select CEVT_R4K
778 select CSRC_R4K
779 select IRQ_CPU
b97215fd 780 select ZONE_DMA32 if 64BIT
1c773ea4
J
781 select SYNC_R4K
782 select SYS_HAS_EARLY_PRINTK
2f6528e1 783 select USE_OF
8f0b0430
J
784 select SYS_SUPPORTS_ZBOOT
785 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
786 help
787 This board is based on Netlogic XLP Processor.
788 Say Y here if you have a XLP based board.
789
5e83d430 790endchoice
1da177e4 791
e8c7c482 792source "arch/mips/alchemy/Kconfig"
d4a67d9d 793source "arch/mips/ath79/Kconfig"
a656ffcb 794source "arch/mips/bcm47xx/Kconfig"
e7300d04 795source "arch/mips/bcm63xx/Kconfig"
5e83d430 796source "arch/mips/jazz/Kconfig"
5ebabe59 797source "arch/mips/jz4740/Kconfig"
8ec6d935 798source "arch/mips/lantiq/Kconfig"
1f21d2bd 799source "arch/mips/lasat/Kconfig"
0f3a05cb 800source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 801source "arch/mips/ralink/Kconfig"
29c48699 802source "arch/mips/sgi-ip27/Kconfig"
38b18f72 803source "arch/mips/sibyte/Kconfig"
22b1d707 804source "arch/mips/txx9/Kconfig"
5e83d430 805source "arch/mips/vr41xx/Kconfig"
a86c7f72 806source "arch/mips/cavium-octeon/Kconfig"
85749d24 807source "arch/mips/loongson/Kconfig"
ca585cf9 808source "arch/mips/loongson1/Kconfig"
7f058e85 809source "arch/mips/netlogic/Kconfig"
38b18f72 810
5e83d430
RB
811endmenu
812
1da177e4
LT
813config RWSEM_GENERIC_SPINLOCK
814 bool
815 default y
816
817config RWSEM_XCHGADD_ALGORITHM
818 bool
819
f0d1b0b3
DH
820config ARCH_HAS_ILOG2_U32
821 bool
822 default n
823
824config ARCH_HAS_ILOG2_U64
825 bool
826 default n
827
3c9ee7ef
AM
828config GENERIC_HWEIGHT
829 bool
830 default y
831
1da177e4
LT
832config GENERIC_CALIBRATE_DELAY
833 bool
834 default y
835
ae1e9130 836config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
837 bool
838 default y
839
1da177e4
LT
840#
841# Select some configuration options automatically based on user selections.
842#
0e2794b0 843config FW_ARC
1da177e4 844 bool
1da177e4 845
61ed242d
RB
846config ARCH_MAY_HAVE_PC_FDC
847 bool
848
9267a30d
MSJ
849config BOOT_RAW
850 bool
851
217dd11e
RB
852config CEVT_BCM1480
853 bool
854
6457d9fc
YY
855config CEVT_DS1287
856 bool
857
1097c6ac
YY
858config CEVT_GT641XX
859 bool
860
42f77542
RB
861config CEVT_R4K
862 bool
863
0ab2b7d0
RG
864config CEVT_GIC
865 bool
866
217dd11e
RB
867config CEVT_SB1250
868 bool
869
229f773e
AN
870config CEVT_TXX9
871 bool
872
217dd11e
RB
873config CSRC_BCM1480
874 bool
875
4247417d
YY
876config CSRC_IOASIC
877 bool
878
940f6b48
RB
879config CSRC_R4K
880 bool
881
778eeb1b
SH
882config CSRC_GIC
883 bool
884
217dd11e
RB
885config CSRC_SB1250
886 bool
887
a9aec7fe 888config GPIO_TXX9
7444a72e 889 select ARCH_REQUIRE_GPIOLIB
a9aec7fe
AN
890 bool
891
0e2794b0 892config FW_CFE
df78b5c8
AJ
893 bool
894
4bafad92
FT
895config ARCH_DMA_ADDR_T_64BIT
896 def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT
897
4ce588cd 898config DMA_COHERENT
1da177e4
LT
899 bool
900
4ce588cd
RB
901config DMA_NONCOHERENT
902 bool
e1e02b32 903 select NEED_DMA_MAP_STATE
4ce588cd 904
e1e02b32 905config NEED_DMA_MAP_STATE
1da177e4
LT
906 bool
907
36a88530 908config SYS_HAS_EARLY_PRINTK
1da177e4 909 bool
1da177e4 910
dbb74540 911config HOTPLUG_CPU
1b2bc75c 912 bool "Support for hot-pluggable CPUs"
40b31360 913 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1b2bc75c
RB
914 help
915 Say Y here to allow turning CPUs off and on. CPUs can be
916 controlled through /sys/devices/system/cpu.
917 (Note: power management support will enable this option
918 automatically on SMP systems. )
919 Say N if you want to disable CPU hotplug.
920
921config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 922 bool
dbb74540 923
1da177e4
LT
924config I8259
925 bool
1da177e4 926
1da177e4
LT
927config MIPS_BONITO64
928 bool
1da177e4
LT
929
930config MIPS_MSC
931 bool
1da177e4 932
1f21d2bd
BM
933config MIPS_NILE4
934 bool
935
39b8d525
RB
936config SYNC_R4K
937 bool
938
487d70d0
GJ
939config MIPS_MACHINE
940 def_bool n
941
d388d685
MR
942config NO_IOPORT
943 def_bool n
944
8313da30
RB
945config GENERIC_ISA_DMA
946 bool
947 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 948 select ISA_DMA_API
8313da30 949
aa414dff
RB
950config GENERIC_ISA_DMA_SUPPORT_BROKEN
951 bool
8313da30 952 select GENERIC_ISA_DMA
aa414dff 953
a35bee8a
NK
954config ISA_DMA_API
955 bool
956
465aaed0
DD
957config HOLES_IN_ZONE
958 bool
959
5e83d430 960#
6b2aac42 961# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
962# answer,so we try hard to limit the available choices. Also the use of a
963# choice statement should be more obvious to the user.
964#
965choice
6b2aac42 966 prompt "Endianness selection"
1da177e4
LT
967 help
968 Some MIPS machines can be configured for either little or big endian
5e83d430 969 byte order. These modes require different kernels and a different
3cb2fccc 970 Linux distribution. In general there is one preferred byteorder for a
5e83d430 971 particular system but some systems are just as commonly used in the
3dde6ad8 972 one or the other endianness.
5e83d430
RB
973
974config CPU_BIG_ENDIAN
975 bool "Big endian"
976 depends on SYS_SUPPORTS_BIG_ENDIAN
977
978config CPU_LITTLE_ENDIAN
979 bool "Little endian"
980 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
981
982endchoice
983
22b0763a
DD
984config EXPORT_UASM
985 bool
986
2116245e
RB
987config SYS_SUPPORTS_APM_EMULATION
988 bool
989
5e83d430
RB
990config SYS_SUPPORTS_BIG_ENDIAN
991 bool
992
993config SYS_SUPPORTS_LITTLE_ENDIAN
994 bool
1da177e4 995
9cffd154
DD
996config SYS_SUPPORTS_HUGETLBFS
997 bool
998 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
999 default y
1000
aa1762f4
DD
1001config MIPS_HUGE_TLB_SUPPORT
1002 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1003
1da177e4
LT
1004config IRQ_CPU
1005 bool
1006
1007config IRQ_CPU_RM7K
1008 bool
1009
9267a30d
MSJ
1010config IRQ_MSP_SLP
1011 bool
1012
1013config IRQ_MSP_CIC
1014 bool
1015
8420fd00
AN
1016config IRQ_TXX9
1017 bool
1018
d5ab1a69
YY
1019config IRQ_GT641XX
1020 bool
1021
39b8d525
RB
1022config IRQ_GIC
1023 bool
1024
252161ec 1025config PCI_GT64XXX_PCI0
1da177e4 1026 bool
1da177e4 1027
9267a30d
MSJ
1028config NO_EXCEPT_FILL
1029 bool
1030
a83860c2
RB
1031config SOC_EMMA2RH
1032 bool
1033 select CEVT_R4K
1034 select CSRC_R4K
1035 select DMA_NONCOHERENT
1036 select IRQ_CPU
1037 select SWAP_IO_SPACE
1038 select SYS_HAS_CPU_R5500
1039 select SYS_SUPPORTS_32BIT_KERNEL
1040 select SYS_SUPPORTS_64BIT_KERNEL
1041 select SYS_SUPPORTS_BIG_ENDIAN
1042
edb6310a
DL
1043config SOC_PNX833X
1044 bool
1045 select CEVT_R4K
1046 select CSRC_R4K
1047 select IRQ_CPU
1048 select DMA_NONCOHERENT
1049 select SYS_HAS_CPU_MIPS32_R2
1050 select SYS_SUPPORTS_32BIT_KERNEL
1051 select SYS_SUPPORTS_LITTLE_ENDIAN
1052 select SYS_SUPPORTS_BIG_ENDIAN
edb6310a
DL
1053 select CPU_MIPSR2_IRQ_VI
1054
1055config SOC_PNX8335
1056 bool
1057 select SOC_PNX833X
1058
1da177e4
LT
1059config SWAP_IO_SPACE
1060 bool
1061
e2defae5
TB
1062config SGI_HAS_INDYDOG
1063 bool
1064
5b438c44
TB
1065config SGI_HAS_HAL2
1066 bool
1067
e2defae5
TB
1068config SGI_HAS_SEEQ
1069 bool
1070
1071config SGI_HAS_WD93
1072 bool
1073
1074config SGI_HAS_ZILOG
1075 bool
1076
1077config SGI_HAS_I8042
1078 bool
1079
1080config DEFAULT_SGI_PARTITION
1081 bool
1082
0e2794b0 1083config FW_ARC32
5e83d430
RB
1084 bool
1085
aaa9fad3 1086config FW_SNIPROM
231a35d3
TB
1087 bool
1088
1da177e4
LT
1089config BOOT_ELF32
1090 bool
1da177e4
LT
1091
1092config MIPS_L1_CACHE_SHIFT
1093 int
80fb55a9 1094 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
0db2b74e 1095 default "6" if MIPS_CPU_SCACHE
a86c7f72 1096 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1da177e4
LT
1097 default "5"
1098
1da177e4
LT
1099config HAVE_STD_PC_SERIAL_PORT
1100 bool
1101
1da177e4
LT
1102config ARC_CONSOLE
1103 bool "ARC console support"
e2defae5 1104 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1105
1106config ARC_MEMORY
1107 bool
14b36af4 1108 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1109 default y
1110
1111config ARC_PROMLIB
1112 bool
e2defae5 1113 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1114 default y
1115
0e2794b0 1116config FW_ARC64
1da177e4 1117 bool
1da177e4
LT
1118
1119config BOOT_ELF64
1120 bool
1da177e4 1121
1da177e4
LT
1122menu "CPU selection"
1123
1124choice
1125 prompt "CPU type"
1126 default CPU_R4X00
1127
3702bba5
WZ
1128config CPU_LOONGSON2E
1129 bool "Loongson 2E"
1130 depends on SYS_HAS_CPU_LOONGSON2E
1131 select CPU_LOONGSON2
2a21c730
FZ
1132 help
1133 The Loongson 2E processor implements the MIPS III instruction set
1134 with many extensions.
1135
25985edc 1136 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1137 bonito64.
1138
1139config CPU_LOONGSON2F
1140 bool "Loongson 2F"
1141 depends on SYS_HAS_CPU_LOONGSON2F
1142 select CPU_LOONGSON2
c197da91 1143 select ARCH_REQUIRE_GPIOLIB
6f7a251a
WZ
1144 help
1145 The Loongson 2F processor implements the MIPS III instruction set
1146 with many extensions.
1147
1148 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1149 have a similar programming interface with FPGA northbridge used in
1150 Loongson2E.
1151
ca585cf9
KC
1152config CPU_LOONGSON1B
1153 bool "Loongson 1B"
1154 depends on SYS_HAS_CPU_LOONGSON1B
1155 select CPU_LOONGSON1
1156 help
1157 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1158 release 2 instruction set.
1159
6e760c8d
RB
1160config CPU_MIPS32_R1
1161 bool "MIPS32 Release 1"
7cf8053b 1162 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1163 select CPU_HAS_PREFETCH
797798c1 1164 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1165 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1166 help
5e83d430 1167 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1168 MIPS32 architecture. Most modern embedded systems with a 32-bit
1169 MIPS processor are based on a MIPS32 processor. If you know the
1170 specific type of processor in your system, choose those that one
1171 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1172 Release 2 of the MIPS32 architecture is available since several
1173 years so chances are you even have a MIPS32 Release 2 processor
1174 in which case you should choose CPU_MIPS32_R2 instead for better
1175 performance.
1176
1177config CPU_MIPS32_R2
1178 bool "MIPS32 Release 2"
7cf8053b 1179 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1180 select CPU_HAS_PREFETCH
797798c1 1181 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1182 select CPU_SUPPORTS_HIGHMEM
2235a54d 1183 select HAVE_KVM
6e760c8d 1184 help
5e83d430 1185 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1186 MIPS32 architecture. Most modern embedded systems with a 32-bit
1187 MIPS processor are based on a MIPS32 processor. If you know the
1188 specific type of processor in your system, choose those that one
1189 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1190
1191config CPU_MIPS64_R1
1192 bool "MIPS64 Release 1"
7cf8053b 1193 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1194 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1195 select CPU_SUPPORTS_32BIT_KERNEL
1196 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1197 select CPU_SUPPORTS_HIGHMEM
9cffd154 1198 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1199 help
1200 Choose this option to build a kernel for release 1 or later of the
1201 MIPS64 architecture. Many modern embedded systems with a 64-bit
1202 MIPS processor are based on a MIPS64 processor. If you know the
1203 specific type of processor in your system, choose those that one
1204 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1205 Release 2 of the MIPS64 architecture is available since several
1206 years so chances are you even have a MIPS64 Release 2 processor
1207 in which case you should choose CPU_MIPS64_R2 instead for better
1208 performance.
1209
1210config CPU_MIPS64_R2
1211 bool "MIPS64 Release 2"
7cf8053b 1212 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1213 select CPU_HAS_PREFETCH
1e5f1caa
RB
1214 select CPU_SUPPORTS_32BIT_KERNEL
1215 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1216 select CPU_SUPPORTS_HIGHMEM
9cffd154 1217 select CPU_SUPPORTS_HUGEPAGES
1e5f1caa
RB
1218 help
1219 Choose this option to build a kernel for release 2 or later of the
1220 MIPS64 architecture. Many modern embedded systems with a 64-bit
1221 MIPS processor are based on a MIPS64 processor. If you know the
1222 specific type of processor in your system, choose those that one
1223 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4
LT
1224
1225config CPU_R3000
1226 bool "R3000"
7cf8053b 1227 depends on SYS_HAS_CPU_R3000
f7062ddb 1228 select CPU_HAS_WB
ed5ba2fb 1229 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1230 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1231 help
1232 Please make sure to pick the right CPU type. Linux/MIPS is not
1233 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1234 *not* work on R4000 machines and vice versa. However, since most
1235 of the supported machines have an R4000 (or similar) CPU, R4x00
1236 might be a safe bet. If the resulting kernel does not work,
1237 try to recompile with R3000.
1238
1239config CPU_TX39XX
1240 bool "R39XX"
7cf8053b 1241 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1242 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1243
1244config CPU_VR41XX
1245 bool "R41xx"
7cf8053b 1246 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1247 select CPU_SUPPORTS_32BIT_KERNEL
1248 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1249 help
5e83d430 1250 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1251 Only choose this option if you have one of these processors as a
1252 kernel built with this option will not run on any other type of
1253 processor or vice versa.
1254
1255config CPU_R4300
1256 bool "R4300"
7cf8053b 1257 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1258 select CPU_SUPPORTS_32BIT_KERNEL
1259 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1260 help
1261 MIPS Technologies R4300-series processors.
1262
1263config CPU_R4X00
1264 bool "R4x00"
7cf8053b 1265 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1266 select CPU_SUPPORTS_32BIT_KERNEL
1267 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1268 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1269 help
1270 MIPS Technologies R4000-series processors other than 4300, including
1271 the R4000, R4400, R4600, and 4700.
1272
1273config CPU_TX49XX
1274 bool "R49XX"
7cf8053b 1275 depends on SYS_HAS_CPU_TX49XX
de862b48 1276 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1277 select CPU_SUPPORTS_32BIT_KERNEL
1278 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1279 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1280
1281config CPU_R5000
1282 bool "R5000"
7cf8053b 1283 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1284 select CPU_SUPPORTS_32BIT_KERNEL
1285 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1286 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1287 help
1288 MIPS Technologies R5000-series processors other than the Nevada.
1289
1290config CPU_R5432
1291 bool "R5432"
7cf8053b 1292 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1293 select CPU_SUPPORTS_32BIT_KERNEL
1294 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1295 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1296
542c1020
SK
1297config CPU_R5500
1298 bool "R5500"
1299 depends on SYS_HAS_CPU_R5500
542c1020
SK
1300 select CPU_SUPPORTS_32BIT_KERNEL
1301 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1302 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1303 help
1304 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1305 instruction set.
1306
1da177e4
LT
1307config CPU_R6000
1308 bool "R6000"
7cf8053b 1309 depends on SYS_HAS_CPU_R6000
ed5ba2fb 1310 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1311 help
1312 MIPS Technologies R6000 and R6000A series processors. Note these
c09b47d8 1313 processors are extremely rare and the support for them is incomplete.
1da177e4
LT
1314
1315config CPU_NEVADA
1316 bool "RM52xx"
7cf8053b 1317 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1318 select CPU_SUPPORTS_32BIT_KERNEL
1319 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1320 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1321 help
1322 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1323
1324config CPU_R8000
1325 bool "R8000"
7cf8053b 1326 depends on SYS_HAS_CPU_R8000
5e83d430 1327 select CPU_HAS_PREFETCH
ed5ba2fb 1328 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1329 help
1330 MIPS Technologies R8000 processors. Note these processors are
1331 uncommon and the support for them is incomplete.
1332
1333config CPU_R10000
1334 bool "R10000"
7cf8053b 1335 depends on SYS_HAS_CPU_R10000
5e83d430 1336 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1337 select CPU_SUPPORTS_32BIT_KERNEL
1338 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1339 select CPU_SUPPORTS_HIGHMEM
970d032f 1340 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1341 help
1342 MIPS Technologies R10000-series processors.
1343
1344config CPU_RM7000
1345 bool "RM7000"
7cf8053b 1346 depends on SYS_HAS_CPU_RM7000
5e83d430 1347 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1348 select CPU_SUPPORTS_32BIT_KERNEL
1349 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1350 select CPU_SUPPORTS_HIGHMEM
970d032f 1351 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1352
1353config CPU_SB1
1354 bool "SB1"
7cf8053b 1355 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1356 select CPU_SUPPORTS_32BIT_KERNEL
1357 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1358 select CPU_SUPPORTS_HIGHMEM
970d032f 1359 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1360 select WEAK_ORDERING
1da177e4 1361
a86c7f72
DD
1362config CPU_CAVIUM_OCTEON
1363 bool "Cavium Octeon processor"
5e683389 1364 depends on SYS_HAS_CPU_CAVIUM_OCTEON
7ee91de4 1365 select ARCH_SPARSEMEM_ENABLE
a86c7f72
DD
1366 select CPU_HAS_PREFETCH
1367 select CPU_SUPPORTS_64BIT_KERNEL
1368 select SYS_SUPPORTS_SMP
1369 select NR_CPUS_DEFAULT_16
1370 select WEAK_ORDERING
a86c7f72 1371 select CPU_SUPPORTS_HIGHMEM
9cffd154 1372 select CPU_SUPPORTS_HUGEPAGES
7ed18152
DD
1373 select LIBFDT
1374 select USE_OF
9296d94d 1375 select USB_EHCI_BIG_ENDIAN_MMIO
a86c7f72
DD
1376 help
1377 The Cavium Octeon processor is a highly integrated chip containing
1378 many ethernet hardware widgets for networking tasks. The processor
1379 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1380 Full details can be found at http://www.caviumnetworks.com.
1381
c1c0c461
KC
1382config CPU_BMIPS3300
1383 bool "BMIPS3300"
1384 depends on SYS_HAS_CPU_BMIPS3300
1bbb6c1b 1385 select CPU_BMIPS
c1c0c461
KC
1386 help
1387 Broadcom BMIPS3300 processors.
1388
1389config CPU_BMIPS4350
1390 bool "BMIPS4350"
1391 depends on SYS_HAS_CPU_BMIPS4350
1bbb6c1b 1392 select CPU_BMIPS
c1c0c461
KC
1393 select SYS_SUPPORTS_SMP
1394 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1395 help
1396 Broadcom BMIPS4350 ("VIPER") processors.
1397
1398config CPU_BMIPS4380
1399 bool "BMIPS4380"
1400 depends on SYS_HAS_CPU_BMIPS4380
1bbb6c1b 1401 select CPU_BMIPS
c1c0c461
KC
1402 select SYS_SUPPORTS_SMP
1403 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1404 help
1405 Broadcom BMIPS4380 processors.
1406
1407config CPU_BMIPS5000
1408 bool "BMIPS5000"
1409 depends on SYS_HAS_CPU_BMIPS5000
1bbb6c1b 1410 select CPU_BMIPS
c1c0c461 1411 select CPU_SUPPORTS_HIGHMEM
1bbb6c1b 1412 select MIPS_CPU_SCACHE
c1c0c461
KC
1413 select SYS_SUPPORTS_SMP
1414 select SYS_SUPPORTS_HOTPLUG_CPU
c1c0c461
KC
1415 help
1416 Broadcom BMIPS5000 processors.
1417
7f058e85
J
1418config CPU_XLR
1419 bool "Netlogic XLR SoC"
1420 depends on SYS_HAS_CPU_XLR
1421 select CPU_SUPPORTS_32BIT_KERNEL
1422 select CPU_SUPPORTS_64BIT_KERNEL
1423 select CPU_SUPPORTS_HIGHMEM
970d032f 1424 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1425 select WEAK_ORDERING
1426 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1427 help
1428 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1429
1430config CPU_XLP
1431 bool "Netlogic XLP SoC"
1432 depends on SYS_HAS_CPU_XLP
1433 select CPU_SUPPORTS_32BIT_KERNEL
1434 select CPU_SUPPORTS_64BIT_KERNEL
1435 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1436 select WEAK_ORDERING
1437 select WEAK_REORDERING_BEYOND_LLSC
1438 select CPU_HAS_PREFETCH
d6504846 1439 select CPU_MIPSR2
1c773ea4
J
1440 help
1441 Netlogic Microsystems XLP processors.
1da177e4
LT
1442endchoice
1443
622844bf
WZ
1444if CPU_LOONGSON2F
1445config CPU_NOP_WORKAROUNDS
1446 bool
1447
1448config CPU_JUMP_WORKAROUNDS
1449 bool
1450
1451config CPU_LOONGSON2F_WORKAROUNDS
1452 bool "Loongson 2F Workarounds"
1453 default y
1454 select CPU_NOP_WORKAROUNDS
1455 select CPU_JUMP_WORKAROUNDS
1456 help
1457 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1458 require workarounds. Without workarounds the system may hang
1459 unexpectedly. For more information please refer to the gas
1460 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1461
1462 Loongson 2F03 and later have fixed these issues and no workarounds
1463 are needed. The workarounds have no significant side effect on them
1464 but may decrease the performance of the system so this option should
1465 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1466 systems.
1467
1468 If unsure, please say Y.
1469endif # CPU_LOONGSON2F
1470
1b93b3c3
WZ
1471config SYS_SUPPORTS_ZBOOT
1472 bool
1473 select HAVE_KERNEL_GZIP
1474 select HAVE_KERNEL_BZIP2
31c4867d 1475 select HAVE_KERNEL_LZ4
1b93b3c3 1476 select HAVE_KERNEL_LZMA
fe1d45e0 1477 select HAVE_KERNEL_LZO
4e23eb63 1478 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1479
1480config SYS_SUPPORTS_ZBOOT_UART16550
1481 bool
1482 select SYS_SUPPORTS_ZBOOT
1483
3702bba5
WZ
1484config CPU_LOONGSON2
1485 bool
1486 select CPU_SUPPORTS_32BIT_KERNEL
1487 select CPU_SUPPORTS_64BIT_KERNEL
1488 select CPU_SUPPORTS_HIGHMEM
970d032f 1489 select CPU_SUPPORTS_HUGEPAGES
3702bba5 1490
ca585cf9
KC
1491config CPU_LOONGSON1
1492 bool
1493 select CPU_MIPS32
1494 select CPU_MIPSR2
1495 select CPU_HAS_PREFETCH
1496 select CPU_SUPPORTS_32BIT_KERNEL
1497 select CPU_SUPPORTS_HIGHMEM
1498
1bbb6c1b
KC
1499config CPU_BMIPS
1500 bool
1501 select CPU_MIPS32
1502 select CPU_SUPPORTS_32BIT_KERNEL
1503 select DMA_NONCOHERENT
1504 select IRQ_CPU
1505 select SWAP_IO_SPACE
1506 select WEAK_ORDERING
1507
3702bba5 1508config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1509 bool
1510
6f7a251a
WZ
1511config SYS_HAS_CPU_LOONGSON2F
1512 bool
55045ff5
WZ
1513 select CPU_SUPPORTS_CPUFREQ
1514 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1515 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1516
ca585cf9
KC
1517config SYS_HAS_CPU_LOONGSON1B
1518 bool
1519
7cf8053b
RB
1520config SYS_HAS_CPU_MIPS32_R1
1521 bool
1522
1523config SYS_HAS_CPU_MIPS32_R2
1524 bool
1525
1526config SYS_HAS_CPU_MIPS64_R1
1527 bool
1528
1529config SYS_HAS_CPU_MIPS64_R2
1530 bool
1531
1532config SYS_HAS_CPU_R3000
1533 bool
1534
1535config SYS_HAS_CPU_TX39XX
1536 bool
1537
1538config SYS_HAS_CPU_VR41XX
1539 bool
1540
1541config SYS_HAS_CPU_R4300
1542 bool
1543
1544config SYS_HAS_CPU_R4X00
1545 bool
1546
1547config SYS_HAS_CPU_TX49XX
1548 bool
1549
1550config SYS_HAS_CPU_R5000
1551 bool
1552
1553config SYS_HAS_CPU_R5432
1554 bool
1555
542c1020
SK
1556config SYS_HAS_CPU_R5500
1557 bool
1558
7cf8053b
RB
1559config SYS_HAS_CPU_R6000
1560 bool
1561
1562config SYS_HAS_CPU_NEVADA
1563 bool
1564
1565config SYS_HAS_CPU_R8000
1566 bool
1567
1568config SYS_HAS_CPU_R10000
1569 bool
1570
1571config SYS_HAS_CPU_RM7000
1572 bool
1573
7cf8053b
RB
1574config SYS_HAS_CPU_SB1
1575 bool
1576
5e683389
DD
1577config SYS_HAS_CPU_CAVIUM_OCTEON
1578 bool
1579
c1c0c461
KC
1580config SYS_HAS_CPU_BMIPS3300
1581 bool
1582
1583config SYS_HAS_CPU_BMIPS4350
1584 bool
1585
1586config SYS_HAS_CPU_BMIPS4380
1587 bool
1588
1589config SYS_HAS_CPU_BMIPS5000
1590 bool
1591
7f058e85
J
1592config SYS_HAS_CPU_XLR
1593 bool
1594
1c773ea4
J
1595config SYS_HAS_CPU_XLP
1596 bool
1597
17099b11
RB
1598#
1599# CPU may reorder R->R, R->W, W->R, W->W
1600# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1601#
0004a9df
RB
1602config WEAK_ORDERING
1603 bool
17099b11
RB
1604
1605#
1606# CPU may reorder reads and writes beyond LL/SC
1607# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1608#
1609config WEAK_REORDERING_BEYOND_LLSC
1610 bool
5e83d430
RB
1611endmenu
1612
1613#
c09b47d8 1614# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
1615#
1616config CPU_MIPS32
1617 bool
1618 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1619
1620config CPU_MIPS64
1621 bool
1622 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1623
1624#
c09b47d8 1625# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
1626#
1627config CPU_MIPSR1
1628 bool
1629 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1630
1631config CPU_MIPSR2
1632 bool
a86c7f72 1633 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
5e83d430
RB
1634
1635config SYS_SUPPORTS_32BIT_KERNEL
1636 bool
1637config SYS_SUPPORTS_64BIT_KERNEL
1638 bool
1639config CPU_SUPPORTS_32BIT_KERNEL
1640 bool
1641config CPU_SUPPORTS_64BIT_KERNEL
1642 bool
55045ff5
WZ
1643config CPU_SUPPORTS_CPUFREQ
1644 bool
1645config CPU_SUPPORTS_ADDRWINCFG
1646 bool
9cffd154
DD
1647config CPU_SUPPORTS_HUGEPAGES
1648 bool
22f1fdfd
WZ
1649config CPU_SUPPORTS_UNCACHED_ACCELERATED
1650 bool
82622284
DD
1651config MIPS_PGD_C0_CONTEXT
1652 bool
d6504846 1653 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
5e83d430 1654
8192c9ea
DD
1655#
1656# Set to y for ptrace access to watch registers.
1657#
1658config HARDWARE_WATCHPOINTS
1659 bool
f839490a 1660 default y if CPU_MIPSR1 || CPU_MIPSR2
8192c9ea 1661
5e83d430
RB
1662menu "Kernel type"
1663
1664choice
5e83d430
RB
1665 prompt "Kernel code model"
1666 help
1667 You should only select this option if you have a workload that
1668 actually benefits from 64-bit processing or if your machine has
1669 large memory. You will only be presented a single option in this
1670 menu if your system does not support both 32-bit and 64-bit kernels.
1671
1672config 32BIT
1673 bool "32-bit kernel"
1674 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1675 select TRAD_SIGNALS
1676 help
1677 Select this option if you want to build a 32-bit kernel.
1678config 64BIT
1679 bool "64-bit kernel"
1680 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1681 help
1682 Select this option if you want to build a 64-bit kernel.
1683
1684endchoice
1685
2235a54d
SL
1686config KVM_GUEST
1687 bool "KVM Guest Kernel"
f2a5b1d7 1688 depends on BROKEN_ON_SMP
2235a54d
SL
1689 help
1690 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
1691
1692config KVM_HOST_FREQ
1693 int "KVM Host Processor Frequency (MHz)"
1694 depends on KVM_GUEST
1695 default 500
1696 help
1697 Select this option if building a guest kernel for KVM to skip
1698 RTC emulation when determining guest CPU Frequency. Instead, the guest
1699 processor frequency is automatically derived from the host frequency.
1700
1da177e4
LT
1701choice
1702 prompt "Kernel page size"
1703 default PAGE_SIZE_4KB
1704
1705config PAGE_SIZE_4KB
1706 bool "4kB"
315fe625 1707 depends on !CPU_LOONGSON2
1da177e4
LT
1708 help
1709 This option select the standard 4kB Linux page size. On some
1710 R3000-family processors this is the only available page size. Using
1711 4kB page size will minimize memory consumption and is therefore
1712 recommended for low memory systems.
1713
1714config PAGE_SIZE_8KB
1715 bool "8kB"
7d60717e 1716 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1da177e4
LT
1717 help
1718 Using 8kB page size will result in higher performance kernel at
1719 the price of higher memory consumption. This option is available
c52399be
RB
1720 only on R8000 and cnMIPS processors. Note that you will need a
1721 suitable Linux distribution to support this.
1da177e4
LT
1722
1723config PAGE_SIZE_16KB
1724 bool "16kB"
714bfad6 1725 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1726 help
1727 Using 16kB page size will result in higher performance kernel at
1728 the price of higher memory consumption. This option is available on
714bfad6
RB
1729 all non-R3000 family processors. Note that you will need a suitable
1730 Linux distribution to support this.
1da177e4 1731
c52399be
RB
1732config PAGE_SIZE_32KB
1733 bool "32kB"
1734 depends on CPU_CAVIUM_OCTEON
1735 help
1736 Using 32kB page size will result in higher performance kernel at
1737 the price of higher memory consumption. This option is available
1738 only on cnMIPS cores. Note that you will need a suitable Linux
1739 distribution to support this.
1740
1da177e4
LT
1741config PAGE_SIZE_64KB
1742 bool "64kB"
7d60717e 1743 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
1744 help
1745 Using 64kB page size will result in higher performance kernel at
1746 the price of higher memory consumption. This option is available on
1747 all non-R3000 family processor. Not that at the time of this
714bfad6 1748 writing this option is still high experimental.
1da177e4
LT
1749
1750endchoice
1751
c9bace7c
DD
1752config FORCE_MAX_ZONEORDER
1753 int "Maximum zone order"
85f993b8
DD
1754 range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
1755 default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
1756 range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
1757 default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
1758 range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
1759 default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
c9bace7c
DD
1760 range 11 64
1761 default "11"
1762 help
1763 The kernel memory allocator divides physically contiguous memory
1764 blocks into "zones", where each zone is a power of two number of
1765 pages. This option selects the largest power of two that the kernel
1766 keeps in the memory allocator. If you need to allocate very large
1767 blocks of physically contiguous memory, then you may need to
1768 increase this value.
1769
1770 This config option is actually maximum order plus one. For example,
1771 a value of 11 means that the largest free memory block is 2^10 pages.
1772
1773 The page size is not necessarily 4KB. Keep this in mind
1774 when choosing a value for this option.
1775
0ab2b7d0
RG
1776config CEVT_GIC
1777 bool "Use GIC global counter for clock events"
1778 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
1779 help
1780 Use the GIC global counter for the clock events. The R4K clock
1781 event driver is always present, so if the platform ends up not
1782 detecting a GIC, it will fall back to the R4K timer for the
1783 generation of clock events.
1784
1da177e4
LT
1785config BOARD_SCACHE
1786 bool
1787
1788config IP22_CPU_SCACHE
1789 bool
1790 select BOARD_SCACHE
1791
9318c51a
CD
1792#
1793# Support for a MIPS32 / MIPS64 style S-caches
1794#
1795config MIPS_CPU_SCACHE
1796 bool
1797 select BOARD_SCACHE
1798
1da177e4
LT
1799config R5000_CPU_SCACHE
1800 bool
1801 select BOARD_SCACHE
1802
1803config RM7000_CPU_SCACHE
1804 bool
1805 select BOARD_SCACHE
1806
1807config SIBYTE_DMA_PAGEOPS
1808 bool "Use DMA to clear/copy pages"
1809 depends on CPU_SB1
1810 help
1811 Instead of using the CPU to zero and copy pages, use a Data Mover
1812 channel. These DMA channels are otherwise unused by the standard
1813 SiByte Linux port. Seems to give a small performance benefit.
1814
1815config CPU_HAS_PREFETCH
c8094b53 1816 bool
1da177e4 1817
3165c846
FF
1818config CPU_GENERIC_DUMP_TLB
1819 bool
1820 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
1821
91405eb6
FF
1822config CPU_R4K_FPU
1823 bool
1824 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1825
62cedc4f
FF
1826config CPU_R4K_CACHE_TLB
1827 bool
1828 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
1829
340ee4b9
RB
1830choice
1831 prompt "MIPS MT options"
f41ae0b2
RB
1832
1833config MIPS_MT_DISABLED
1834 bool "Disable multithreading support."
1835 help
1836 Use this option if your workload can't take advantage of
1837 MIPS hardware multithreading support. On systems that don't have
1838 the option of an MT-enabled processor this option will be the only
1839 option in this menu.
340ee4b9 1840
59d6ab86
RB
1841config MIPS_MT_SMP
1842 bool "Use 1 TC on each available VPE for SMP"
f41ae0b2 1843 depends on SYS_SUPPORTS_MULTITHREADING
f7062ddb 1844 select CPU_MIPSR2_IRQ_VI
d725cf38 1845 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1846 select MIPS_MT
41c594ab 1847 select SMP
0ab7aefc 1848 select SYS_SUPPORTS_SCHED_SMT if SMP
73b76c78 1849 select SYS_SUPPORTS_SMP
87353d8a 1850 select SMP_UP
399aaa25 1851 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 1852 help
25f12b33
RB
1853 This is a kernel model which is known a VSMP but lately has been
1854 marketesed into SMVP.
1855 Virtual SMP uses the processor's VPEs to implement virtual
1856 processors. In currently available configuration of the 34K processor
1857 this allows for a dual processor. Both processors will share the same
1858 primary caches; each will obtain the half of the TLB for it's own
1859 exclusive use. For a layman this model can be described as similar to
1860 what Intel calls Hyperthreading.
1861
1862 For further information see http://www.linux-mips.org/wiki/34K#VSMP
41c594ab 1863
59d6ab86
RB
1864config MIPS_MT_SMTC
1865 bool "SMTC: Use all TCs on all VPEs for SMP"
1866 depends on CPU_MIPS32_R2
1867 #depends on CPU_MIPS64_R2 # once there is hardware ...
f41ae0b2
RB
1868 depends on SYS_SUPPORTS_MULTITHREADING
1869 select CPU_MIPSR2_IRQ_VI
d725cf38 1870 select CPU_MIPSR2_IRQ_EI
f41ae0b2 1871 select MIPS_MT
130e2fb7 1872 select NR_CPUS_DEFAULT_8
340ee4b9 1873 select SMP
73b76c78 1874 select SYS_SUPPORTS_SMP
87353d8a 1875 select SMP_UP
f41ae0b2 1876 help
59d6ab86
RB
1877 This is a kernel model which is known a SMTC or lately has been
1878 marketesed into SMVP.
25f12b33
RB
1879 is presenting the available TC's of the core as processors to Linux.
1880 On currently available 34K processors this means a Linux system will
1881 see up to 5 processors. The implementation of the SMTC kernel differs
1882 significantly from VSMP and cannot efficiently coexist in the same
1883 kernel binary so the choice between VSMP and SMTC is a compile time
1884 decision.
1885
1886 For further information see http://www.linux-mips.org/wiki/34K#SMTC
340ee4b9 1887
340ee4b9
RB
1888endchoice
1889
f41ae0b2
RB
1890config MIPS_MT
1891 bool
1892
0ab7aefc
RB
1893config SCHED_SMT
1894 bool "SMT (multithreading) scheduler support"
1895 depends on SYS_SUPPORTS_SCHED_SMT
1896 default n
1897 help
1898 SMT scheduler support improves the CPU scheduler's decision making
1899 when dealing with MIPS MT enabled cores at a cost of slightly
1900 increased overhead in some places. If unsure say N here.
1901
1902config SYS_SUPPORTS_SCHED_SMT
1903 bool
1904
f41ae0b2
RB
1905config SYS_SUPPORTS_MULTITHREADING
1906 bool
1907
f088fc84
RB
1908config MIPS_MT_FPAFF
1909 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 1910 default y
07cc0c9e
RB
1911 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1912
1913config MIPS_VPE_LOADER
1914 bool "VPE loader support."
704e6460 1915 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
07cc0c9e
RB
1916 select CPU_MIPSR2_IRQ_VI
1917 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
1918 select MIPS_MT
1919 help
1920 Includes a loader for loading an elf relocatable object
1921 onto another VPE and running it.
f088fc84 1922
0db34215
KK
1923config MIPS_MT_SMTC_IM_BACKSTOP
1924 bool "Use per-TC register bits as backstop for inhibited IM bits"
1925 depends on MIPS_MT_SMTC
8531a35e 1926 default n
0db34215
KK
1927 help
1928 To support multiple TC microthreads acting as "CPUs" within
1929 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1930 during interrupt handling. To support legacy drivers and interrupt
1931 controller management code, SMTC has a "backstop" to track and
1932 if necessary restore the interrupt mask. This has some performance
8531a35e 1933 impact on interrupt service overhead.
0db34215 1934
f571eff0
KK
1935config MIPS_MT_SMTC_IRQAFF
1936 bool "Support IRQ affinity API"
1937 depends on MIPS_MT_SMTC
1938 default n
1939 help
1940 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1941 for SMTC Linux kernel. Requires platform support, of which
1942 an example can be found in the MIPS kernel i8259 and Malta
8531a35e
KK
1943 platform code. Adds some overhead to interrupt dispatch, and
1944 should be used only if you know what you are doing.
f571eff0 1945
e01402b1
RB
1946config MIPS_VPE_LOADER_TOM
1947 bool "Load VPE program into memory hidden from linux"
1948 depends on MIPS_VPE_LOADER
1949 default y
1950 help
1951 The loader can use memory that is present but has been hidden from
1952 Linux using the kernel command line option "mem=xxMB". It's up to
1953 you to ensure the amount you put in the option and the space your
1954 program requires is less or equal to the amount physically present.
1955
1956# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1957config MIPS_VPE_APSP_API
5e83d430
RB
1958 bool "Enable support for AP/SP API (RTLX)"
1959 depends on MIPS_VPE_LOADER
1960 help
e01402b1 1961
4a16ff4c
RB
1962config MIPS_CMP
1963 bool "MIPS CMP framework support"
1964 depends on SYS_SUPPORTS_MIPS_CMP
85f32dbd 1965 select SMP
eb9b5141 1966 select SYNC_R4K
4a16ff4c
RB
1967 select SYS_SUPPORTS_SMP
1968 select SYS_SUPPORTS_SCHED_SMT if SMP
1969 select WEAK_ORDERING
1970 default n
1971 help
1972 This is a placeholder option for the GCMP work. It will need to
1973 be handled differently...
1974
1da177e4
LT
1975config SB1_PASS_1_WORKAROUNDS
1976 bool
1977 depends on CPU_SB1_PASS_1
1978 default y
1979
1980config SB1_PASS_2_WORKAROUNDS
1981 bool
1982 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1983 default y
1984
1985config SB1_PASS_2_1_WORKAROUNDS
1986 bool
1987 depends on CPU_SB1 && CPU_SB1_PASS_2
1988 default y
1989
2235a54d 1990
1da177e4 1991config 64BIT_PHYS_ADDR
d806cb2b 1992 bool
1da177e4 1993
60ec6571 1994config ARCH_PHYS_ADDR_T_64BIT
1995 def_bool 64BIT_PHYS_ADDR
1996
9693a853
FBH
1997config CPU_HAS_SMARTMIPS
1998 depends on SYS_SUPPORTS_SMARTMIPS
1999 bool "Support for the SmartMIPS ASE"
2000 help
2001 SmartMIPS is a extension of the MIPS32 architecture aimed at
2002 increased security at both hardware and software level for
2003 smartcards. Enabling this option will allow proper use of the
2004 SmartMIPS instructions by Linux applications. However a kernel with
2005 this option will not work on a MIPS core without SmartMIPS core. If
2006 you don't know you probably don't have SmartMIPS and should say N
2007 here.
2008
bce86083
SH
2009config CPU_MICROMIPS
2010 depends on SYS_SUPPORTS_MICROMIPS
2011 bool "Build kernel using microMIPS ISA"
2012 help
2013 When this option is enabled the kernel will be built using the
2014 microMIPS ISA
2015
1da177e4 2016config CPU_HAS_WB
f7062ddb 2017 bool
e01402b1 2018
df0ac8a4
KC
2019config XKS01
2020 bool
2021
f41ae0b2
RB
2022#
2023# Vectored interrupt mode is an R2 feature
2024#
e01402b1 2025config CPU_MIPSR2_IRQ_VI
f41ae0b2 2026 bool
e01402b1 2027
f41ae0b2
RB
2028#
2029# Extended interrupt mode is an R2 feature
2030#
e01402b1 2031config CPU_MIPSR2_IRQ_EI
f41ae0b2 2032 bool
e01402b1 2033
1da177e4
LT
2034config CPU_HAS_SYNC
2035 bool
2036 depends on !CPU_R3000
2037 default y
2038
20d60d99
MR
2039#
2040# CPU non-features
2041#
2042config CPU_DADDI_WORKAROUNDS
2043 bool
2044
2045config CPU_R4000_WORKAROUNDS
2046 bool
2047 select CPU_R4400_WORKAROUNDS
2048
2049config CPU_R4400_WORKAROUNDS
2050 bool
2051
1da177e4
LT
2052#
2053# - Highmem only makes sense for the 32-bit kernel.
2054# - The current highmem code will only work properly on physically indexed
2055# caches such as R3000, SB1, R7000 or those that look like they're virtually
2056# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2057# moment we protect the user and offer the highmem option only on machines
2058# where it's known to be safe. This will not offer highmem on a few systems
2059# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2060# indexed CPUs but we're playing safe.
797798c1
RB
2061# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2062# know they might have memory configurations that could make use of highmem
2063# support.
1da177e4
LT
2064#
2065config HIGHMEM
2066 bool "High Memory Support"
797798c1
RB
2067 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2068
2069config CPU_SUPPORTS_HIGHMEM
2070 bool
2071
2072config SYS_SUPPORTS_HIGHMEM
2073 bool
1da177e4 2074
9693a853
FBH
2075config SYS_SUPPORTS_SMARTMIPS
2076 bool
2077
a6a4834c
SH
2078config SYS_SUPPORTS_MICROMIPS
2079 bool
2080
b4819b59
YY
2081config ARCH_FLATMEM_ENABLE
2082 def_bool y
f133f22d 2083 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2084
d8cb4e11
RB
2085config ARCH_DISCONTIGMEM_ENABLE
2086 bool
2087 default y if SGI_IP27
2088 help
3dde6ad8 2089 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2090 for architectures which are either NUMA (Non-Uniform Memory Access)
2091 or have huge holes in the physical address space for other reasons.
2092 See <file:Documentation/vm/numa> for more.
2093
31473747
AN
2094config ARCH_SPARSEMEM_ENABLE
2095 bool
7de58fab 2096 select SPARSEMEM_STATIC
31473747 2097
d8cb4e11
RB
2098config NUMA
2099 bool "NUMA Support"
2100 depends on SYS_SUPPORTS_NUMA
2101 help
2102 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2103 Access). This option improves performance on systems with more
2104 than two nodes; on two node systems it is generally better to
2105 leave it disabled; on single node systems disable this option
2106 disabled.
2107
2108config SYS_SUPPORTS_NUMA
2109 bool
2110
c80d79d7
YG
2111config NODES_SHIFT
2112 int
2113 default "6"
2114 depends on NEED_MULTIPLE_NODES
2115
14f70012
DCZ
2116config HW_PERF_EVENTS
2117 bool "Enable hardware performance counter support for perf events"
4be3d2f3 2118 depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
14f70012
DCZ
2119 default y
2120 help
2121 Enable hardware performance counter support for perf events. If
2122 disabled, perf events will use software events only.
2123
b4819b59
YY
2124source "mm/Kconfig"
2125
1da177e4
LT
2126config SMP
2127 bool "Multi-Processing support"
e73ea273
RB
2128 depends on SYS_SUPPORTS_SMP
2129 help
1da177e4
LT
2130 This enables support for systems with more than one CPU. If you have
2131 a system with only one CPU, like most personal computers, say N. If
2132 you have a system with more than one CPU, say Y.
2133
2134 If you say N here, the kernel will run on single and multiprocessor
2135 machines, but will use only one CPU of a multiprocessor machine. If
2136 you say Y here, the kernel will run on many, but not all,
2137 singleprocessor machines. On a singleprocessor machine, the kernel
2138 will run faster if you say N here.
2139
2140 People using multiprocessor machines who say Y here should also say
2141 Y to "Enhanced Real Time Clock Support", below.
2142
03502faa
AB
2143 See also the SMP-HOWTO available at
2144 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2145
2146 If you don't know what to do here, say N.
2147
87353d8a
RB
2148config SMP_UP
2149 bool
2150
4a16ff4c
RB
2151config SYS_SUPPORTS_MIPS_CMP
2152 bool
2153
e73ea273
RB
2154config SYS_SUPPORTS_SMP
2155 bool
2156
130e2fb7
RB
2157config NR_CPUS_DEFAULT_4
2158 bool
2159
2160config NR_CPUS_DEFAULT_8
2161 bool
2162
2163config NR_CPUS_DEFAULT_16
2164 bool
2165
2166config NR_CPUS_DEFAULT_32
2167 bool
2168
2169config NR_CPUS_DEFAULT_64
2170 bool
2171
1da177e4
LT
2172config NR_CPUS
2173 int "Maximum number of CPUs (2-64)"
c5eaff3e 2174 range 2 64
1da177e4 2175 depends on SMP
130e2fb7
RB
2176 default "4" if NR_CPUS_DEFAULT_4
2177 default "8" if NR_CPUS_DEFAULT_8
2178 default "16" if NR_CPUS_DEFAULT_16
2179 default "32" if NR_CPUS_DEFAULT_32
2180 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2181 help
2182 This allows you to specify the maximum number of CPUs which this
2183 kernel will support. The maximum supported value is 32 for 32-bit
2184 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2185 sense is 1 for Qemu (useful only for kernel debugging purposes)
2186 and 2 for all others.
1da177e4
LT
2187
2188 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2189 approximately eight kilobytes to the kernel image. For best
2190 performance should round up your number of processors to the next
2191 power of two.
1da177e4 2192
399aaa25
AC
2193config MIPS_PERF_SHARED_TC_COUNTERS
2194 bool
2195
1723b4a3
AN
2196#
2197# Timer Interrupt Frequency Configuration
2198#
2199
2200choice
2201 prompt "Timer frequency"
2202 default HZ_250
2203 help
2204 Allows the configuration of the timer frequency.
2205
2206 config HZ_48
0f873585 2207 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2208
2209 config HZ_100
2210 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2211
2212 config HZ_128
2213 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2214
2215 config HZ_250
2216 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2217
2218 config HZ_256
2219 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2220
2221 config HZ_1000
2222 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2223
2224 config HZ_1024
2225 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2226
2227endchoice
2228
2229config SYS_SUPPORTS_48HZ
2230 bool
2231
2232config SYS_SUPPORTS_100HZ
2233 bool
2234
2235config SYS_SUPPORTS_128HZ
2236 bool
2237
2238config SYS_SUPPORTS_250HZ
2239 bool
2240
2241config SYS_SUPPORTS_256HZ
2242 bool
2243
2244config SYS_SUPPORTS_1000HZ
2245 bool
2246
2247config SYS_SUPPORTS_1024HZ
2248 bool
2249
2250config SYS_SUPPORTS_ARBIT_HZ
2251 bool
2252 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2253 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2254 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2255 !SYS_SUPPORTS_1024HZ
2256
2257config HZ
2258 int
2259 default 48 if HZ_48
2260 default 100 if HZ_100
2261 default 128 if HZ_128
2262 default 250 if HZ_250
2263 default 256 if HZ_256
2264 default 1000 if HZ_1000
2265 default 1024 if HZ_1024
2266
e80de850 2267source "kernel/Kconfig.preempt"
1da177e4 2268
ea6e942b 2269config KEXEC
7d60717e 2270 bool "Kexec system call"
ea6e942b
AN
2271 help
2272 kexec is a system call that implements the ability to shutdown your
2273 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2274 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2275 you can start any kernel with it, not just Linux.
2276
01dd2fbf 2277 The name comes from the similarity to the exec system call.
ea6e942b
AN
2278
2279 It is an ongoing process to be certain the hardware in a machine
2280 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2281 initially work for you. As of this writing the exact hardware
2282 interface is strongly in flux, so no good recommendation can be
2283 made.
ea6e942b 2284
7aa1c8f4
RB
2285config CRASH_DUMP
2286 bool "Kernel crash dumps"
2287 help
2288 Generate crash dump after being started by kexec.
2289 This should be normally only set in special crash dump kernels
2290 which are loaded in the main kernel with kexec-tools into
2291 a specially reserved region and then later executed after
2292 a crash by kdump/kexec. The crash dump kernel must be compiled
2293 to a memory address not used by the main kernel or firmware using
2294 PHYSICAL_START.
2295
2296config PHYSICAL_START
2297 hex "Physical address where the kernel is loaded"
2298 default "0xffffffff84000000" if 64BIT
2299 default "0x84000000" if 32BIT
2300 depends on CRASH_DUMP
2301 help
2302 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2303 If you plan to use kernel for capturing the crash dump change
2304 this value to start of the reserved region (the "X" value as
2305 specified in the "crashkernel=YM@XM" command line boot parameter
2306 passed to the panic-ed kernel).
2307
ea6e942b
AN
2308config SECCOMP
2309 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2310 depends on PROC_FS
ea6e942b
AN
2311 default y
2312 help
2313 This kernel feature is useful for number crunching applications
2314 that may need to compute untrusted bytecode during their
2315 execution. By using pipes or other transports made available to
2316 the process as file descriptors supporting the read/write
2317 syscalls, it's possible to isolate those applications in
2318 their own address space using seccomp. Once seccomp is
2319 enabled via /proc/<pid>/seccomp, it cannot be disabled
2320 and the task is only allowed to execute a few safe syscalls
2321 defined by each seccomp mode.
2322
2323 If unsure, say Y. Only embedded should say N here.
2324
36ecafc5
GF
2325config CC_STACKPROTECTOR
2326 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
2327 help
2328 This option turns on the -fstack-protector GCC feature. This
2329 feature puts, at the beginning of functions, a canary value on
2330 the stack just before the return address, and validates
2331 the value just before actually returning. Stack based buffer
2332 overflows (that need to overwrite this return address) now also
2333 overwrite the canary, which gets detected and the attack is then
2334 neutralized via a kernel panic.
2335
2336 This feature requires gcc version 4.2 or above.
2337
f2ffa5ab 2338config USE_OF
0b3e06fd 2339 bool
f2ffa5ab 2340 select OF
e6ce1324 2341 select OF_EARLY_FLATTREE
abd2363f 2342 select IRQ_DOMAIN
f2ffa5ab 2343
5e83d430
RB
2344endmenu
2345
1df0f0ff
AN
2346config LOCKDEP_SUPPORT
2347 bool
2348 default y
2349
2350config STACKTRACE_SUPPORT
2351 bool
2352 default y
2353
b6c3539b
RB
2354source "init/Kconfig"
2355
dc52ddc0
MH
2356source "kernel/Kconfig.freezer"
2357
1da177e4
LT
2358menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2359
5e83d430
RB
2360config HW_HAS_EISA
2361 bool
1da177e4
LT
2362config HW_HAS_PCI
2363 bool
2364
2365config PCI
2366 bool "Support for PCI controller"
2367 depends on HW_HAS_PCI
abb4ae46 2368 select PCI_DOMAINS
0f3b3956 2369 select NO_GENERIC_PCI_IOPORT_MAP
1da177e4
LT
2370 help
2371 Find out whether you have a PCI motherboard. PCI is the name of a
2372 bus system, i.e. the way the CPU talks to the other stuff inside
2373 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
2374 say Y, otherwise N.
2375
1da177e4
LT
2376config PCI_DOMAINS
2377 bool
1da177e4
LT
2378
2379source "drivers/pci/Kconfig"
2380
3f787ca4
JG
2381source "drivers/pci/pcie/Kconfig"
2382
1da177e4
LT
2383#
2384# ISA support is now enabled via select. Too many systems still have the one
2385# or other ISA chip on the board that users don't know about so don't expect
2386# users to choose the right thing ...
2387#
2388config ISA
2389 bool
2390
2391config EISA
2392 bool "EISA support"
5e83d430 2393 depends on HW_HAS_EISA
1da177e4 2394 select ISA
aa414dff 2395 select GENERIC_ISA_DMA
1da177e4
LT
2396 ---help---
2397 The Extended Industry Standard Architecture (EISA) bus was
2398 developed as an open alternative to the IBM MicroChannel bus.
2399
2400 The EISA bus provided some of the features of the IBM MicroChannel
2401 bus while maintaining backward compatibility with cards made for
2402 the older ISA bus. The EISA bus saw limited use between 1988 and
2403 1995 when it was made obsolete by the PCI bus.
2404
2405 Say Y here if you are building a kernel for an EISA-based machine.
2406
2407 Otherwise, say N.
2408
2409source "drivers/eisa/Kconfig"
2410
2411config TC
2412 bool "TURBOchannel support"
2413 depends on MACH_DECSTATION
2414 help
50a23e6e
JM
2415 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
2416 processors. TURBOchannel programming specifications are available
2417 at:
2418 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
2419 and:
2420 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
2421 Linux driver support status is documented at:
2422 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 2423
1da177e4
LT
2424config MMU
2425 bool
2426 default y
2427
d865bea4
RB
2428config I8253
2429 bool
798778b8 2430 select CLKSRC_I8253
2d02612f 2431 select CLKEVT_I8253
9726b43a 2432 select MIPS_EXTERNAL_TIMER
d865bea4 2433
e05eb3f8
RB
2434config ZONE_DMA
2435 bool
2436
cce335ae
RB
2437config ZONE_DMA32
2438 bool
2439
1da177e4
LT
2440source "drivers/pcmcia/Kconfig"
2441
2442source "drivers/pci/hotplug/Kconfig"
2443
388b78ad
AB
2444config RAPIDIO
2445 bool "RapidIO support"
2446 depends on PCI
2447 default n
2448 help
2449 If you say Y here, the kernel will include drivers and
2450 infrastructure code to support RapidIO interconnect devices.
2451
2452source "drivers/rapidio/Kconfig"
2453
1da177e4
LT
2454endmenu
2455
2456menu "Executable file formats"
2457
2458source "fs/Kconfig.binfmt"
2459
2460config TRAD_SIGNALS
2461 bool
1da177e4 2462
1da177e4
LT
2463config MIPS32_COMPAT
2464 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
875d43e7 2465 depends on 64BIT
1da177e4
LT
2466 help
2467 Select this option if you want Linux/MIPS 32-bit binary
2468 compatibility. Since all software available for Linux/MIPS is
2469 currently 32-bit you should say Y here.
2470
2471config COMPAT
2472 bool
2473 depends on MIPS32_COMPAT
48b25c43 2474 select ARCH_WANT_OLD_COMPAT_IPC
1da177e4
LT
2475 default y
2476
05e43966
AN
2477config SYSVIPC_COMPAT
2478 bool
2479 depends on COMPAT && SYSVIPC
2480 default y
2481
1da177e4
LT
2482config MIPS32_O32
2483 bool "Kernel support for o32 binaries"
2484 depends on MIPS32_COMPAT
2485 help
2486 Select this option if you want to run o32 binaries. These are pure
2487 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
2488 existing binaries are in this format.
2489
2490 If unsure, say Y.
2491
2492config MIPS32_N32
2493 bool "Kernel support for n32 binaries"
2494 depends on MIPS32_COMPAT
2495 help
2496 Select this option if you want to run n32 binaries. These are
2497 64-bit binaries using 32-bit quantities for addressing and certain
2498 data that would normally be 64-bit. They are used in special
2499 cases.
2500
2501 If unsure, say N.
2502
2503config BINFMT_ELF32
2504 bool
2505 default y if MIPS32_O32 || MIPS32_N32
2506
2116245e
RB
2507endmenu
2508
2509menu "Power management options"
2510
363c55ca
WZ
2511config ARCH_HIBERNATION_POSSIBLE
2512 def_bool y
3f5b3e17 2513 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 2514
f4cb5700
JB
2515config ARCH_SUSPEND_POSSIBLE
2516 def_bool y
3f5b3e17 2517 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 2518
2116245e 2519source "kernel/power/Kconfig"
952fa954 2520
1da177e4
LT
2521endmenu
2522
7a998935
VK
2523config MIPS_EXTERNAL_TIMER
2524 bool
2525
2526if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2527menu "CPU Power Management"
2528source "drivers/cpufreq/Kconfig"
2529endmenu
2530endif
9726b43a 2531
d5950b43
SR
2532source "net/Kconfig"
2533
1da177e4
LT
2534source "drivers/Kconfig"
2535
98cdee0e
RB
2536source "drivers/firmware/Kconfig"
2537
1da177e4
LT
2538source "fs/Kconfig"
2539
2540source "arch/mips/Kconfig.debug"
2541
2542source "security/Kconfig"
2543
2544source "crypto/Kconfig"
2545
2546source "lib/Kconfig"
2235a54d
SL
2547
2548source "arch/mips/kvm/Kconfig"
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