MIPS: kexec: Relax memory restriction
[linux-2.6-block.git] / arch / mips / Kconfig
CommitLineData
b2441318 1# SPDX-License-Identifier: GPL-2.0
1da177e4
LT
2config MIPS
3 bool
4 default y
12597988
MR
5 select ARCH_BINFMT_ELF_STATE
6 select ARCH_CLOCKSOURCE_DATA
7 select ARCH_DISCARD_MEMBLOCK
8 select ARCH_HAS_ELF_RANDOMIZE
9 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
12597988 10 select ARCH_SUPPORTS_UPROBES
1ee3630a 11 select ARCH_USE_BUILTIN_BSWAP
12597988 12 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
25da4e9d 13 select ARCH_USE_QUEUED_RWLOCKS
0b17c967 14 select ARCH_USE_QUEUED_SPINLOCKS
12597988
MR
15 select ARCH_WANT_IPC_PARSE_VERSION
16 select BUILDTIME_EXTABLE_SORT
17 select CLONE_BACKWARDS
18 select CPU_PM if CPU_IDLE
dffbfde7 19 select DMA_DIRECT_OPS
12597988
MR
20 select GENERIC_ATOMIC64 if !64BIT
21 select GENERIC_CLOCKEVENTS
22 select GENERIC_CMOS_UPDATE
23 select GENERIC_CPU_AUTOPROBE
b962aeb0 24 select GENERIC_IOMAP
12597988
MR
25 select GENERIC_IRQ_PROBE
26 select GENERIC_IRQ_SHOW
740129b3
AP
27 select GENERIC_LIB_ASHLDI3
28 select GENERIC_LIB_ASHRDI3
29 select GENERIC_LIB_CMPDI2
30 select GENERIC_LIB_LSHRDI3
31 select GENERIC_LIB_UCMPDI2
12597988
MR
32 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
33 select GENERIC_SMP_IDLE_THREAD
34 select GENERIC_TIME_VSYSCALL
35 select HANDLE_DOMAIN_IRQ
906d441f 36 select HAVE_ARCH_COMPILER_H
12597988 37 select HAVE_ARCH_JUMP_LABEL
88547001 38 select HAVE_ARCH_KGDB
109c32ff
MR
39 select HAVE_ARCH_MMAP_RND_BITS if MMU
40 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
490b004f 41 select HAVE_ARCH_SECCOMP_FILTER
c0ff3c53 42 select HAVE_ARCH_TRACEHOOK
12597988 43 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
f381bf6d
DD
44 select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
45 select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
12597988
MR
46 select HAVE_CONTEXT_TRACKING
47 select HAVE_COPY_THREAD_TLS
48 select HAVE_C_RECORDMCOUNT
49 select HAVE_DEBUG_KMEMLEAK
50 select HAVE_DEBUG_STACKOVERFLOW
12597988 51 select HAVE_DMA_CONTIGUOUS
538f1952 52 select HAVE_DYNAMIC_FTRACE
12597988 53 select HAVE_EXIT_THREAD
538f1952 54 select HAVE_FTRACE_MCOUNT_RECORD
29c5d346 55 select HAVE_FUNCTION_GRAPH_TRACER
12597988
MR
56 select HAVE_FUNCTION_TRACER
57 select HAVE_GENERIC_DMA_COHERENT
58 select HAVE_IDE
59 select HAVE_IRQ_EXIT_ON_IRQ_STACK
60 select HAVE_IRQ_TIME_ACCOUNTING
c1bf207d
DD
61 select HAVE_KPROBES
62 select HAVE_KRETPROBES
9d15ffc8
TH
63 select HAVE_MEMBLOCK
64 select HAVE_MEMBLOCK_NODE_MAP
786d35d4 65 select HAVE_MOD_ARCH_SPECIFIC
42a0bb3f 66 select HAVE_NMI
12597988
MR
67 select HAVE_OPROFILE
68 select HAVE_PERF_EVENTS
69 select HAVE_REGS_AND_STACK_ACCESS_API
9ea141ad 70 select HAVE_RSEQ
d148eac0 71 select HAVE_STACKPROTECTOR
12597988 72 select HAVE_SYSCALL_TRACEPOINTS
a3f14310 73 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
12597988 74 select IRQ_FORCED_THREADING
2f12fb20 75 select MODULES_USE_ELF_RELA if MODULES && 64BIT
12597988
MR
76 select MODULES_USE_ELF_REL if MODULES
77 select PERF_USE_VMALLOC
78 select RTC_LIB if !MACH_LOONGSON64
d79d853d 79 select SYSCTL_EXCEPTION_TRACE
12597988 80 select VIRT_TO_BUS
bcec54bf 81 select NO_BOOTMEM
1da177e4 82
1da177e4
LT
83menu "Machine selection"
84
5e83d430
RB
85choice
86 prompt "System type"
d41e6858 87 default MIPS_GENERIC
1da177e4 88
eed0eabd
PB
89config MIPS_GENERIC
90 bool "Generic board-agnostic MIPS kernel"
91 select BOOT_RAW
92 select BUILTIN_DTB
93 select CEVT_R4K
94 select CLKSRC_MIPS_GIC
95 select COMMON_CLK
96 select CPU_MIPSR2_IRQ_VI
97 select CPU_MIPSR2_IRQ_EI
98 select CSRC_R4K
99 select DMA_PERDEV_COHERENT
100 select HW_HAS_PCI
101 select IRQ_MIPS_CPU
102 select LIBFDT
0211d49e 103 select MIPS_AUTO_PFN_OFFSET
eed0eabd
PB
104 select MIPS_CPU_SCACHE
105 select MIPS_GIC
106 select MIPS_L1_CACHE_SHIFT_7
107 select NO_EXCEPT_FILL
108 select PCI_DRIVERS_GENERIC
109 select PINCTRL
110 select SMP_UP if SMP
a3078e59 111 select SWAP_IO_SPACE
eed0eabd
PB
112 select SYS_HAS_CPU_MIPS32_R1
113 select SYS_HAS_CPU_MIPS32_R2
114 select SYS_HAS_CPU_MIPS32_R6
115 select SYS_HAS_CPU_MIPS64_R1
116 select SYS_HAS_CPU_MIPS64_R2
117 select SYS_HAS_CPU_MIPS64_R6
118 select SYS_SUPPORTS_32BIT_KERNEL
119 select SYS_SUPPORTS_64BIT_KERNEL
120 select SYS_SUPPORTS_BIG_ENDIAN
121 select SYS_SUPPORTS_HIGHMEM
122 select SYS_SUPPORTS_LITTLE_ENDIAN
123 select SYS_SUPPORTS_MICROMIPS
124 select SYS_SUPPORTS_MIPS_CPS
125 select SYS_SUPPORTS_MIPS16
126 select SYS_SUPPORTS_MULTITHREADING
127 select SYS_SUPPORTS_RELOCATABLE
128 select SYS_SUPPORTS_SMARTMIPS
2e6522c5
CL
129 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
130 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
131 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
132 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
133 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
134 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
eed0eabd
PB
135 select USE_OF
136 help
137 Select this to build a kernel which aims to support multiple boards,
138 generally using a flattened device tree passed from the bootloader
139 using the boot protocol defined in the UHI (Unified Hosting
140 Interface) specification.
141
42a4f17d 142config MIPS_ALCHEMY
c3543e25 143 bool "Alchemy processor based machines"
d4a451d5 144 select PHYS_ADDR_T_64BIT
f772cdb2 145 select CEVT_R4K
d7ea335c 146 select CSRC_R4K
67e38cf2 147 select IRQ_MIPS_CPU
88e9a93c 148 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
42a4f17d
ML
149 select SYS_HAS_CPU_MIPS32_R1
150 select SYS_SUPPORTS_32BIT_KERNEL
151 select SYS_SUPPORTS_APM_EMULATION
d30a2b47 152 select GPIOLIB
1b93b3c3 153 select SYS_SUPPORTS_ZBOOT
47440229 154 select COMMON_CLK
1da177e4 155
7ca5dc14
FF
156config AR7
157 bool "Texas Instruments AR7"
158 select BOOT_ELF32
159 select DMA_NONCOHERENT
160 select CEVT_R4K
161 select CSRC_R4K
67e38cf2 162 select IRQ_MIPS_CPU
7ca5dc14
FF
163 select NO_EXCEPT_FILL
164 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_EARLY_PRINTK
167 select SYS_SUPPORTS_32BIT_KERNEL
168 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 169 select SYS_SUPPORTS_MIPS16
1b93b3c3 170 select SYS_SUPPORTS_ZBOOT_UART16550
d30a2b47 171 select GPIOLIB
7ca5dc14 172 select VLYNQ
8551fb64 173 select HAVE_CLK
7ca5dc14
FF
174 help
175 Support for the Texas Instruments AR7 System-on-a-Chip
176 family: TNETD7100, 7200 and 7300.
177
43cc739f
SR
178config ATH25
179 bool "Atheros AR231x/AR531x SoC support"
180 select CEVT_R4K
181 select CSRC_R4K
182 select DMA_NONCOHERENT
67e38cf2 183 select IRQ_MIPS_CPU
1753e74e 184 select IRQ_DOMAIN
43cc739f
SR
185 select SYS_HAS_CPU_MIPS32_R1
186 select SYS_SUPPORTS_BIG_ENDIAN
187 select SYS_SUPPORTS_32BIT_KERNEL
8aaa7278 188 select SYS_HAS_EARLY_PRINTK
43cc739f
SR
189 help
190 Support for Atheros AR231x and Atheros AR531x based boards
191
d4a67d9d
GJ
192config ATH79
193 bool "Atheros AR71XX/AR724X/AR913X based boards"
ff591a91 194 select ARCH_HAS_RESET_CONTROLLER
d4a67d9d
GJ
195 select BOOT_RAW
196 select CEVT_R4K
197 select CSRC_R4K
198 select DMA_NONCOHERENT
d30a2b47 199 select GPIOLIB
a08227a2 200 select PINCTRL
94638067 201 select HAVE_CLK
411520af 202 select COMMON_CLK
2c4f1ac5 203 select CLKDEV_LOOKUP
67e38cf2 204 select IRQ_MIPS_CPU
0aabf1a4 205 select MIPS_MACHINE
d4a67d9d
GJ
206 select SYS_HAS_CPU_MIPS32_R2
207 select SYS_HAS_EARLY_PRINTK
208 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 210 select SYS_SUPPORTS_MIPS16
b3f0a250 211 select SYS_SUPPORTS_ZBOOT_UART_PROM
03c8c407 212 select USE_OF
53d473fc 213 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
d4a67d9d
GJ
214 help
215 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
216
5f2d4459
KC
217config BMIPS_GENERIC
218 bool "Broadcom Generic BMIPS kernel"
d59098a0
CH
219 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
220 select ARCH_HAS_PHYS_TO_DMA
d666cd02
KC
221 select BOOT_RAW
222 select NO_EXCEPT_FILL
223 select USE_OF
224 select CEVT_R4K
225 select CSRC_R4K
226 select SYNC_R4K
227 select COMMON_CLK
c7c42ec2 228 select BCM6345_L1_IRQ
60b858f2
KC
229 select BCM7038_L1_IRQ
230 select BCM7120_L2_IRQ
231 select BRCMSTB_L2_IRQ
67e38cf2 232 select IRQ_MIPS_CPU
60b858f2 233 select DMA_NONCOHERENT
d666cd02 234 select SYS_SUPPORTS_32BIT_KERNEL
60b858f2 235 select SYS_SUPPORTS_LITTLE_ENDIAN
d666cd02
KC
236 select SYS_SUPPORTS_BIG_ENDIAN
237 select SYS_SUPPORTS_HIGHMEM
60b858f2
KC
238 select SYS_HAS_CPU_BMIPS32_3300
239 select SYS_HAS_CPU_BMIPS4350
240 select SYS_HAS_CPU_BMIPS4380
d666cd02
KC
241 select SYS_HAS_CPU_BMIPS5000
242 select SWAP_IO_SPACE
60b858f2
KC
243 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
244 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
245 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
246 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
4dc4704c 247 select HARDIRQS_SW_RESEND
d666cd02 248 help
5f2d4459
KC
249 Build a generic DT-based kernel image that boots on select
250 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
251 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
252 must be set appropriately for your board.
d666cd02 253
1c0c13eb 254config BCM47XX
c619366e 255 bool "Broadcom BCM47XX based boards"
fe08f8c2 256 select BOOT_RAW
42f77542 257 select CEVT_R4K
940f6b48 258 select CSRC_R4K
1c0c13eb
AJ
259 select DMA_NONCOHERENT
260 select HW_HAS_PCI
67e38cf2 261 select IRQ_MIPS_CPU
314878d2 262 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 263 select NO_EXCEPT_FILL
1c0c13eb
AJ
264 select SYS_SUPPORTS_32BIT_KERNEL
265 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 266 select SYS_SUPPORTS_MIPS16
6507831f 267 select SYS_SUPPORTS_ZBOOT
25e5fb97 268 select SYS_HAS_EARLY_PRINTK
e6086557 269 select USE_GENERIC_EARLY_PRINTK_8250
c949c0bc
RM
270 select GPIOLIB
271 select LEDS_GPIO_REGISTER
f6e734a8 272 select BCM47XX_NVRAM
2ab71a02 273 select BCM47XX_SPROM
dfe00495 274 select BCM47XX_SSB if !BCM47XX_BCMA
1c0c13eb
AJ
275 help
276 Support for BCM47XX based boards
277
e7300d04
MB
278config BCM63XX
279 bool "Broadcom BCM63XX based boards"
ae8de61c 280 select BOOT_RAW
e7300d04
MB
281 select CEVT_R4K
282 select CSRC_R4K
fc264022 283 select SYNC_R4K
e7300d04 284 select DMA_NONCOHERENT
67e38cf2 285 select IRQ_MIPS_CPU
e7300d04
MB
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_BIG_ENDIAN
288 select SYS_HAS_EARLY_PRINTK
289 select SWAP_IO_SPACE
d30a2b47 290 select GPIOLIB
3e82eeeb 291 select HAVE_CLK
af2418be 292 select MIPS_L1_CACHE_SHIFT_4
c5af3c2d 293 select CLKDEV_LOOKUP
e7300d04
MB
294 help
295 Support for BCM63XX based boards
296
1da177e4 297config MIPS_COBALT
3fa986fa 298 bool "Cobalt Server"
42f77542 299 select CEVT_R4K
940f6b48 300 select CSRC_R4K
1097c6ac 301 select CEVT_GT641XX
1da177e4
LT
302 select DMA_NONCOHERENT
303 select HW_HAS_PCI
d865bea4 304 select I8253
1da177e4 305 select I8259
67e38cf2 306 select IRQ_MIPS_CPU
d5ab1a69 307 select IRQ_GT641XX
252161ec 308 select PCI_GT64XXX_PCI0
e25bfc92 309 select PCI
7cf8053b 310 select SYS_HAS_CPU_NEVADA
0a22e0d4 311 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 312 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 313 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 314 select SYS_SUPPORTS_LITTLE_ENDIAN
e6086557 315 select USE_GENERIC_EARLY_PRINTK_8250
1da177e4
LT
316
317config MACH_DECSTATION
3fa986fa 318 bool "DECstations"
1da177e4 319 select BOOT_ELF32
6457d9fc 320 select CEVT_DS1287
81d10bad 321 select CEVT_R4K if CPU_R4X00
4247417d 322 select CSRC_IOASIC
81d10bad 323 select CSRC_R4K if CPU_R4X00
20d60d99
MR
324 select CPU_DADDI_WORKAROUNDS if 64BIT
325 select CPU_R4000_WORKAROUNDS if 64BIT
326 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 327 select DMA_NONCOHERENT
ce816fa8 328 select NO_IOPORT_MAP
67e38cf2 329 select IRQ_MIPS_CPU
7cf8053b
RB
330 select SYS_HAS_CPU_R3000
331 select SYS_HAS_CPU_R4X00
ed5ba2fb 332 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 333 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 334 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
335 select SYS_SUPPORTS_128HZ
336 select SYS_SUPPORTS_256HZ
337 select SYS_SUPPORTS_1024HZ
930beb5a 338 select MIPS_L1_CACHE_SHIFT_4
5e83d430 339 help
1da177e4
LT
340 This enables support for DEC's MIPS based workstations. For details
341 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
342 DECstation porting pages on <http://decstation.unix-ag.org/>.
343
344 If you have one of the following DECstation Models you definitely
345 want to choose R4xx0 for the CPU Type:
346
9308816c
RB
347 DECstation 5000/50
348 DECstation 5000/150
349 DECstation 5000/260
350 DECsystem 5900/260
1da177e4
LT
351
352 otherwise choose R3000.
353
5e83d430 354config MACH_JAZZ
3fa986fa 355 bool "Jazz family of machines"
a211a082 356 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 357 select ARCH_MIGHT_HAVE_PC_SERIO
0e2794b0
RB
358 select FW_ARC
359 select FW_ARC32
5e83d430 360 select ARCH_MAY_HAVE_PC_FDC
42f77542 361 select CEVT_R4K
940f6b48 362 select CSRC_R4K
e2defae5 363 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 364 select GENERIC_ISA_DMA
8a118c38 365 select HAVE_PCSPKR_PLATFORM
67e38cf2 366 select IRQ_MIPS_CPU
d865bea4 367 select I8253
5e83d430
RB
368 select I8259
369 select ISA
7cf8053b 370 select SYS_HAS_CPU_R4X00
5e83d430 371 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 372 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 373 select SYS_SUPPORTS_100HZ
1da177e4 374 help
5e83d430
RB
375 This a family of machines based on the MIPS R4030 chipset which was
376 used by several vendors to build RISC/os and Windows NT workstations.
692105b8 377 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
5e83d430
RB
378 Olivetti M700-10 workstations.
379
de361e8b
PB
380config MACH_INGENIC
381 bool "Ingenic SoC based machines"
5ebabe59
LPC
382 select SYS_SUPPORTS_32BIT_KERNEL
383 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 384 select SYS_SUPPORTS_ZBOOT_UART16550
5ebabe59 385 select DMA_NONCOHERENT
67e38cf2 386 select IRQ_MIPS_CPU
37b4c3ca 387 select PINCTRL
d30a2b47 388 select GPIOLIB
ff1930c6 389 select COMMON_CLK
83bc7692 390 select GENERIC_IRQ_CHIP
ffb1843d
PB
391 select BUILTIN_DTB
392 select USE_OF
6ec127fb 393 select LIBFDT
5ebabe59 394
171bb2f1
JC
395config LANTIQ
396 bool "Lantiq based platforms"
397 select DMA_NONCOHERENT
67e38cf2 398 select IRQ_MIPS_CPU
171bb2f1
JC
399 select CEVT_R4K
400 select CSRC_R4K
401 select SYS_HAS_CPU_MIPS32_R1
402 select SYS_HAS_CPU_MIPS32_R2
403 select SYS_SUPPORTS_BIG_ENDIAN
404 select SYS_SUPPORTS_32BIT_KERNEL
377cb1b6 405 select SYS_SUPPORTS_MIPS16
171bb2f1 406 select SYS_SUPPORTS_MULTITHREADING
f35764e7 407 select SYS_SUPPORTS_VPE_LOADER
171bb2f1 408 select SYS_HAS_EARLY_PRINTK
d30a2b47 409 select GPIOLIB
171bb2f1
JC
410 select SWAP_IO_SPACE
411 select BOOT_RAW
287e3f3f 412 select CLKDEV_LOOKUP
a0392222 413 select USE_OF
3f8c50c9
JC
414 select PINCTRL
415 select PINCTRL_LANTIQ
c530781c
JC
416 select ARCH_HAS_RESET_CONTROLLER
417 select RESET_CONTROLLER
171bb2f1 418
1f21d2bd
BM
419config LASAT
420 bool "LASAT Networks platforms"
42f77542 421 select CEVT_R4K
16f0bbbc 422 select CRC32
940f6b48 423 select CSRC_R4K
1f21d2bd
BM
424 select DMA_NONCOHERENT
425 select SYS_HAS_EARLY_PRINTK
426 select HW_HAS_PCI
67e38cf2 427 select IRQ_MIPS_CPU
1f21d2bd
BM
428 select PCI_GT64XXX_PCI0
429 select MIPS_NILE4
430 select R5000_CPU_SCACHE
431 select SYS_HAS_CPU_R5000
432 select SYS_SUPPORTS_32BIT_KERNEL
433 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
434 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 435
30ad29bb
HC
436config MACH_LOONGSON32
437 bool "Loongson-1 family of machines"
c7e8c668 438 select SYS_SUPPORTS_ZBOOT
ade299d8 439 help
30ad29bb 440 This enables support for the Loongson-1 family of machines.
85749d24 441
30ad29bb
HC
442 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
443 the Institute of Computing Technology (ICT), Chinese Academy of
444 Sciences (CAS).
ade299d8 445
30ad29bb
HC
446config MACH_LOONGSON64
447 bool "Loongson-2/3 family of machines"
ca585cf9
KC
448 select SYS_SUPPORTS_ZBOOT
449 help
30ad29bb 450 This enables the support of Loongson-2/3 family of machines.
ca585cf9 451
30ad29bb
HC
452 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
453 family of multi-core CPUs. They are both 64-bit general-purpose
454 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
455 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
456 in the People's Republic of China. The chief architect is Professor
457 Weiwu Hu.
ca585cf9 458
6a438309
AB
459config MACH_PISTACHIO
460 bool "IMG Pistachio SoC based boards"
6a438309
AB
461 select BOOT_ELF32
462 select BOOT_RAW
463 select CEVT_R4K
464 select CLKSRC_MIPS_GIC
465 select COMMON_CLK
466 select CSRC_R4K
645c7827 467 select DMA_NONCOHERENT
d30a2b47 468 select GPIOLIB
67e38cf2 469 select IRQ_MIPS_CPU
6a438309
AB
470 select LIBFDT
471 select MFD_SYSCON
472 select MIPS_CPU_SCACHE
473 select MIPS_GIC
474 select PINCTRL
475 select REGULATOR
476 select SYS_HAS_CPU_MIPS32_R2
477 select SYS_SUPPORTS_32BIT_KERNEL
478 select SYS_SUPPORTS_LITTLE_ENDIAN
479 select SYS_SUPPORTS_MIPS_CPS
480 select SYS_SUPPORTS_MULTITHREADING
41cc07be 481 select SYS_SUPPORTS_RELOCATABLE
6a438309 482 select SYS_SUPPORTS_ZBOOT
018f62ee
EG
483 select SYS_HAS_EARLY_PRINTK
484 select USE_GENERIC_EARLY_PRINTK_8250
6a438309
AB
485 select USE_OF
486 help
487 This enables support for the IMG Pistachio SoC platform.
488
1da177e4 489config MIPS_MALTA
3fa986fa 490 bool "MIPS Malta board"
61ed242d 491 select ARCH_MAY_HAVE_PC_FDC
a211a082 492 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 493 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 494 select BOOT_ELF32
fa71c960 495 select BOOT_RAW
e8823d26 496 select BUILTIN_DTB
42f77542 497 select CEVT_R4K
940f6b48 498 select CSRC_R4K
fa5635a2 499 select CLKSRC_MIPS_GIC
42b002ab 500 select COMMON_CLK
885014bc 501 select DMA_MAYBE_COHERENT
1da177e4 502 select GENERIC_ISA_DMA
8a118c38 503 select HAVE_PCSPKR_PLATFORM
67e38cf2 504 select IRQ_MIPS_CPU
8a19b8f1 505 select MIPS_GIC
1da177e4 506 select HW_HAS_PCI
d865bea4 507 select I8253
1da177e4 508 select I8259
5e83d430 509 select MIPS_BONITO64
9318c51a 510 select MIPS_CPU_SCACHE
a7ef1ead 511 select MIPS_L1_CACHE_SHIFT_6
252161ec 512 select PCI_GT64XXX_PCI0
5e83d430 513 select MIPS_MSC
ecafe3e9 514 select SMP_UP if SMP
1da177e4 515 select SWAP_IO_SPACE
7cf8053b
RB
516 select SYS_HAS_CPU_MIPS32_R1
517 select SYS_HAS_CPU_MIPS32_R2
bfc3c5a6 518 select SYS_HAS_CPU_MIPS32_R3_5
c5b36783 519 select SYS_HAS_CPU_MIPS32_R5
575509b6 520 select SYS_HAS_CPU_MIPS32_R6
7cf8053b 521 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 522 select SYS_HAS_CPU_MIPS64_R2
575509b6 523 select SYS_HAS_CPU_MIPS64_R6
7cf8053b
RB
524 select SYS_HAS_CPU_NEVADA
525 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
526 select SYS_SUPPORTS_32BIT_KERNEL
527 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 528 select SYS_SUPPORTS_BIG_ENDIAN
c5b36783 529 select SYS_SUPPORTS_HIGHMEM
5e83d430 530 select SYS_SUPPORTS_LITTLE_ENDIAN
424ebcdf 531 select SYS_SUPPORTS_MICROMIPS
0365070f 532 select SYS_SUPPORTS_MIPS_CMP
e56b6aa6 533 select SYS_SUPPORTS_MIPS_CPS
377cb1b6 534 select SYS_SUPPORTS_MIPS16
f41ae0b2 535 select SYS_SUPPORTS_MULTITHREADING
9693a853 536 select SYS_SUPPORTS_SMARTMIPS
f35764e7 537 select SYS_SUPPORTS_VPE_LOADER
1b93b3c3 538 select SYS_SUPPORTS_ZBOOT
8c530ea3 539 select SYS_SUPPORTS_RELOCATABLE
e8823d26 540 select USE_OF
38ec82fe 541 select LIBFDT
abcc82b1 542 select ZONE_DMA32 if 64BIT
e81a8c7d
PB
543 select BUILTIN_DTB
544 select LIBFDT
1da177e4 545 help
f638d197 546 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
547 board.
548
2572f00d
JH
549config MACH_PIC32
550 bool "Microchip PIC32 Family"
551 help
552 This enables support for the Microchip PIC32 family of platforms.
553
554 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
555 microcontrollers.
556
a83860c2
RB
557config NEC_MARKEINS
558 bool "NEC EMMA2RH Mark-eins board"
559 select SOC_EMMA2RH
560 select HW_HAS_PCI
561 help
562 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 563
5e83d430 564config MACH_VR41XX
74142d65 565 bool "NEC VR4100 series based machines"
42f77542 566 select CEVT_R4K
940f6b48 567 select CSRC_R4K
7cf8053b 568 select SYS_HAS_CPU_VR41XX
377cb1b6 569 select SYS_SUPPORTS_MIPS16
d30a2b47 570 select GPIOLIB
5e83d430 571
edb6310a
DL
572config NXP_STB220
573 bool "NXP STB220 board"
574 select SOC_PNX833X
575 help
576 Support for NXP Semiconductors STB220 Development Board.
577
578config NXP_STB225
579 bool "NXP 225 board"
580 select SOC_PNX833X
581 select SOC_PNX8335
582 help
583 Support for NXP Semiconductors STB225 Development Board.
584
9267a30d
MSJ
585config PMC_MSP
586 bool "PMC-Sierra MSP chipsets"
39d30c13
A
587 select CEVT_R4K
588 select CSRC_R4K
9267a30d
MSJ
589 select DMA_NONCOHERENT
590 select SWAP_IO_SPACE
591 select NO_EXCEPT_FILL
592 select BOOT_RAW
593 select SYS_HAS_CPU_MIPS32_R1
594 select SYS_HAS_CPU_MIPS32_R2
595 select SYS_SUPPORTS_32BIT_KERNEL
596 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 597 select SYS_SUPPORTS_MIPS16
67e38cf2 598 select IRQ_MIPS_CPU
9267a30d
MSJ
599 select SERIAL_8250
600 select SERIAL_8250_CONSOLE
9296d94d
FF
601 select USB_EHCI_BIG_ENDIAN_MMIO
602 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
603 help
604 This adds support for the PMC-Sierra family of Multi-Service
605 Processor System-On-A-Chips. These parts include a number
606 of integrated peripherals, interfaces and DSPs in addition to
607 a variety of MIPS cores.
608
ae2b5bb6
JC
609config RALINK
610 bool "Ralink based machines"
611 select CEVT_R4K
612 select CSRC_R4K
613 select BOOT_RAW
614 select DMA_NONCOHERENT
67e38cf2 615 select IRQ_MIPS_CPU
ae2b5bb6
JC
616 select USE_OF
617 select SYS_HAS_CPU_MIPS32_R1
618 select SYS_HAS_CPU_MIPS32_R2
619 select SYS_SUPPORTS_32BIT_KERNEL
620 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 621 select SYS_SUPPORTS_MIPS16
ae2b5bb6 622 select SYS_HAS_EARLY_PRINTK
ae2b5bb6 623 select CLKDEV_LOOKUP
2a153f1c
JC
624 select ARCH_HAS_RESET_CONTROLLER
625 select RESET_CONTROLLER
ae2b5bb6 626
1da177e4 627config SGI_IP22
3fa986fa 628 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
629 select FW_ARC
630 select FW_ARC32
7a407aa5 631 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 632 select BOOT_ELF32
42f77542 633 select CEVT_R4K
940f6b48 634 select CSRC_R4K
e2defae5 635 select DEFAULT_SGI_PARTITION
1da177e4 636 select DMA_NONCOHERENT
5e83d430 637 select HW_HAS_EISA
d865bea4 638 select I8253
68de4803 639 select I8259
1da177e4 640 select IP22_CPU_SCACHE
67e38cf2 641 select IRQ_MIPS_CPU
aa414dff 642 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
643 select SGI_HAS_I8042
644 select SGI_HAS_INDYDOG
36e5c21d 645 select SGI_HAS_HAL2
e2defae5
TB
646 select SGI_HAS_SEEQ
647 select SGI_HAS_WD93
648 select SGI_HAS_ZILOG
1da177e4 649 select SWAP_IO_SPACE
7cf8053b
RB
650 select SYS_HAS_CPU_R4X00
651 select SYS_HAS_CPU_R5000
2b5e63f6
MM
652 #
653 # Disable EARLY_PRINTK for now since it leads to overwritten prom
654 # memory during early boot on some machines.
655 #
656 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
657 # for a more details discussion
658 #
659 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
660 select SYS_SUPPORTS_32BIT_KERNEL
661 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 662 select SYS_SUPPORTS_BIG_ENDIAN
930beb5a 663 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
664 help
665 This are the SGI Indy, Challenge S and Indigo2, as well as certain
666 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
667 that runs on these, say Y here.
668
669config SGI_IP27
3fa986fa 670 bool "SGI IP27 (Origin200/2000)"
54aed4dd 671 select ARCH_HAS_PHYS_TO_DMA
0e2794b0
RB
672 select FW_ARC
673 select FW_ARC64
5e83d430 674 select BOOT_ELF64
e2defae5 675 select DEFAULT_SGI_PARTITION
36a88530 676 select SYS_HAS_EARLY_PRINTK
1da177e4 677 select HW_HAS_PCI
130e2fb7 678 select NR_CPUS_DEFAULT_64
7cf8053b 679 select SYS_HAS_CPU_R10000
ed5ba2fb 680 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 681 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 682 select SYS_SUPPORTS_NUMA
1a5c5de1 683 select SYS_SUPPORTS_SMP
930beb5a 684 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
685 help
686 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
687 workstations. To compile a Linux kernel that runs on these, say Y
688 here.
689
e2defae5 690config SGI_IP28
7d60717e 691 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
692 select FW_ARC
693 select FW_ARC64
7a407aa5 694 select ARCH_MIGHT_HAVE_PC_SERIO
e2defae5
TB
695 select BOOT_ELF64
696 select CEVT_R4K
697 select CSRC_R4K
698 select DEFAULT_SGI_PARTITION
699 select DMA_NONCOHERENT
700 select GENERIC_ISA_DMA_SUPPORT_BROKEN
67e38cf2 701 select IRQ_MIPS_CPU
e2defae5
TB
702 select HW_HAS_EISA
703 select I8253
704 select I8259
e2defae5
TB
705 select SGI_HAS_I8042
706 select SGI_HAS_INDYDOG
5b438c44 707 select SGI_HAS_HAL2
e2defae5
TB
708 select SGI_HAS_SEEQ
709 select SGI_HAS_WD93
710 select SGI_HAS_ZILOG
711 select SWAP_IO_SPACE
712 select SYS_HAS_CPU_R10000
2b5e63f6
MM
713 #
714 # Disable EARLY_PRINTK for now since it leads to overwritten prom
715 # memory during early boot on some machines.
716 #
717 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
718 # for a more details discussion
719 #
720 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
721 select SYS_SUPPORTS_64BIT_KERNEL
722 select SYS_SUPPORTS_BIG_ENDIAN
dc24d68d 723 select MIPS_L1_CACHE_SHIFT_7
e2defae5
TB
724 help
725 This is the SGI Indigo2 with R10000 processor. To compile a Linux
726 kernel that runs on these, say Y here.
727
1da177e4 728config SGI_IP32
cfd2afc0 729 bool "SGI IP32 (O2)"
03df8229 730 select ARCH_HAS_PHYS_TO_DMA
0e2794b0
RB
731 select FW_ARC
732 select FW_ARC32
1da177e4 733 select BOOT_ELF32
42f77542 734 select CEVT_R4K
940f6b48 735 select CSRC_R4K
1da177e4
LT
736 select DMA_NONCOHERENT
737 select HW_HAS_PCI
67e38cf2 738 select IRQ_MIPS_CPU
1da177e4
LT
739 select R5000_CPU_SCACHE
740 select RM7000_CPU_SCACHE
7cf8053b
RB
741 select SYS_HAS_CPU_R5000
742 select SYS_HAS_CPU_R10000 if BROKEN
743 select SYS_HAS_CPU_RM7000
dd2f18fe 744 select SYS_HAS_CPU_NEVADA
ed5ba2fb 745 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 746 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 747 help
5e83d430 748 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 749
ade299d8
YY
750config SIBYTE_CRHINE
751 bool "Sibyte BCM91120C-CRhine"
9a6dcea1 752 select BOOT_ELF32
ade299d8 753 select SIBYTE_BCM1120
9a6dcea1 754 select SWAP_IO_SPACE
7cf8053b 755 select SYS_HAS_CPU_SB1
9a6dcea1
AI
756 select SYS_SUPPORTS_BIG_ENDIAN
757 select SYS_SUPPORTS_LITTLE_ENDIAN
758
ade299d8
YY
759config SIBYTE_CARMEL
760 bool "Sibyte BCM91120x-Carmel"
5e83d430 761 select BOOT_ELF32
ade299d8 762 select SIBYTE_BCM1120
5e83d430 763 select SWAP_IO_SPACE
7cf8053b 764 select SYS_HAS_CPU_SB1
81731f79 765 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 766 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 767
ade299d8
YY
768config SIBYTE_CRHONE
769 bool "Sibyte BCM91125C-CRhone"
5e83d430 770 select BOOT_ELF32
ade299d8 771 select SIBYTE_BCM1125
5e83d430 772 select SWAP_IO_SPACE
7cf8053b 773 select SYS_HAS_CPU_SB1
5e83d430 774 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 775 select SYS_SUPPORTS_HIGHMEM
5e83d430 776 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 777
5e83d430 778config SIBYTE_RHONE
3fa986fa 779 bool "Sibyte BCM91125E-Rhone"
5e83d430 780 select BOOT_ELF32
5e83d430
RB
781 select SIBYTE_BCM1125H
782 select SWAP_IO_SPACE
7cf8053b 783 select SYS_HAS_CPU_SB1
5e83d430
RB
784 select SYS_SUPPORTS_BIG_ENDIAN
785 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 786
ade299d8
YY
787config SIBYTE_SWARM
788 bool "Sibyte BCM91250A-SWARM"
5e83d430 789 select BOOT_ELF32
fcf3ca4c 790 select HAVE_PATA_PLATFORM
ade299d8 791 select SIBYTE_SB1250
5e83d430 792 select SWAP_IO_SPACE
7cf8053b 793 select SYS_HAS_CPU_SB1
5e83d430 794 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 795 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 796 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 797 select ZONE_DMA32 if 64BIT
e3ad1c23 798
ade299d8
YY
799config SIBYTE_LITTLESUR
800 bool "Sibyte BCM91250C2-LittleSur"
5e83d430 801 select BOOT_ELF32
fcf3ca4c 802 select HAVE_PATA_PLATFORM
5e83d430
RB
803 select SIBYTE_SB1250
804 select SWAP_IO_SPACE
7cf8053b 805 select SYS_HAS_CPU_SB1
5e83d430
RB
806 select SYS_SUPPORTS_BIG_ENDIAN
807 select SYS_SUPPORTS_HIGHMEM
808 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 809
ade299d8
YY
810config SIBYTE_SENTOSA
811 bool "Sibyte BCM91250E-Sentosa"
5e83d430 812 select BOOT_ELF32
5e83d430
RB
813 select SIBYTE_SB1250
814 select SWAP_IO_SPACE
7cf8053b 815 select SYS_HAS_CPU_SB1
5e83d430 816 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 817 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 818
ade299d8
YY
819config SIBYTE_BIGSUR
820 bool "Sibyte BCM91480B-BigSur"
5e83d430 821 select BOOT_ELF32
ade299d8 822 select NR_CPUS_DEFAULT_4
ade299d8 823 select SIBYTE_BCM1x80
5e83d430 824 select SWAP_IO_SPACE
7cf8053b 825 select SYS_HAS_CPU_SB1
5e83d430 826 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 827 select SYS_SUPPORTS_HIGHMEM
5e83d430 828 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 829 select ZONE_DMA32 if 64BIT
1da177e4 830
14b36af4
TB
831config SNI_RM
832 bool "SNI RM200/300/400"
0e2794b0
RB
833 select FW_ARC if CPU_LITTLE_ENDIAN
834 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 835 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 836 select ARCH_MAY_HAVE_PC_FDC
a211a082 837 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 838 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 839 select BOOT_ELF32
42f77542 840 select CEVT_R4K
940f6b48 841 select CSRC_R4K
e2defae5 842 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
843 select DMA_NONCOHERENT
844 select GENERIC_ISA_DMA
8a118c38 845 select HAVE_PCSPKR_PLATFORM
5e83d430 846 select HW_HAS_EISA
1da177e4 847 select HW_HAS_PCI
67e38cf2 848 select IRQ_MIPS_CPU
d865bea4 849 select I8253
1da177e4
LT
850 select I8259
851 select ISA
4a0312fc 852 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 853 select SYS_HAS_CPU_R4X00
4a0312fc 854 select SYS_HAS_CPU_R5000
c066a32a 855 select SYS_HAS_CPU_R10000
4a0312fc 856 select R5000_CPU_SCACHE
36a88530 857 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 858 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 859 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 860 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 861 select SYS_SUPPORTS_HIGHMEM
5e83d430 862 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 863 help
14b36af4
TB
864 The SNI RM200/300/400 are MIPS-based machines manufactured by
865 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
866 Technology and now in turn merged with Fujitsu. Say Y here to
867 support this machine type.
868
edcaf1a6
AN
869config MACH_TX39XX
870 bool "Toshiba TX39 series based machines"
5e83d430 871
edcaf1a6
AN
872config MACH_TX49XX
873 bool "Toshiba TX49 series based machines"
5e83d430 874
73b4390f
RB
875config MIKROTIK_RB532
876 bool "Mikrotik RB532 boards"
877 select CEVT_R4K
878 select CSRC_R4K
879 select DMA_NONCOHERENT
73b4390f 880 select HW_HAS_PCI
67e38cf2 881 select IRQ_MIPS_CPU
73b4390f
RB
882 select SYS_HAS_CPU_MIPS32_R1
883 select SYS_SUPPORTS_32BIT_KERNEL
884 select SYS_SUPPORTS_LITTLE_ENDIAN
885 select SWAP_IO_SPACE
886 select BOOT_RAW
d30a2b47 887 select GPIOLIB
930beb5a 888 select MIPS_L1_CACHE_SHIFT_4
73b4390f
RB
889 help
890 Support the Mikrotik(tm) RouterBoard 532 series,
891 based on the IDT RC32434 SoC.
892
9ddebc46
DD
893config CAVIUM_OCTEON_SOC
894 bool "Cavium Networks Octeon SoC based boards"
a86c7f72 895 select CEVT_R4K
ea8c64ac 896 select ARCH_HAS_PHYS_TO_DMA
491ec155 897 select HAS_RAPIDIO
d4a451d5 898 select PHYS_ADDR_T_64BIT
a86c7f72
DD
899 select SYS_SUPPORTS_64BIT_KERNEL
900 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 901 select EDAC_SUPPORT
b01aec9b 902 select EDAC_ATOMIC_SCRUB
73569d87
DD
903 select SYS_SUPPORTS_LITTLE_ENDIAN
904 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
a86c7f72 905 select SYS_HAS_EARLY_PRINTK
5e683389 906 select SYS_HAS_CPU_CAVIUM_OCTEON
e8635b48 907 select HW_HAS_PCI
f00e001e 908 select ZONE_DMA32
465aaed0 909 select HOLES_IN_ZONE
d30a2b47 910 select GPIOLIB
6e511163
DD
911 select LIBFDT
912 select USE_OF
913 select ARCH_SPARSEMEM_ENABLE
914 select SYS_SUPPORTS_SMP
7820b84b
DD
915 select NR_CPUS_DEFAULT_64
916 select MIPS_NR_CPU_NR_MAP_1024
e326479f 917 select BUILTIN_DTB
8c1e6b14 918 select MTD_COMPLEX_MAPPINGS
09230cbc 919 select SWIOTLB
3ff72be4 920 select SYS_SUPPORTS_RELOCATABLE
a86c7f72
DD
921 help
922 This option supports all of the Octeon reference boards from Cavium
923 Networks. It builds a kernel that dynamically determines the Octeon
924 CPU type and supports all known board reference implementations.
925 Some of the supported boards are:
926 EBT3000
927 EBH3000
928 EBH3100
929 Thunder
930 Kodama
931 Hikari
932 Say Y here for most Octeon reference boards.
933
7f058e85
J
934config NLM_XLR_BOARD
935 bool "Netlogic XLR/XLS based systems"
7f058e85
J
936 select BOOT_ELF32
937 select NLM_COMMON
7f058e85
J
938 select SYS_HAS_CPU_XLR
939 select SYS_SUPPORTS_SMP
940 select HW_HAS_PCI
941 select SWAP_IO_SPACE
942 select SYS_SUPPORTS_32BIT_KERNEL
943 select SYS_SUPPORTS_64BIT_KERNEL
d4a451d5 944 select PHYS_ADDR_T_64BIT
7f058e85
J
945 select SYS_SUPPORTS_BIG_ENDIAN
946 select SYS_SUPPORTS_HIGHMEM
7f058e85
J
947 select NR_CPUS_DEFAULT_32
948 select CEVT_R4K
949 select CSRC_R4K
67e38cf2 950 select IRQ_MIPS_CPU
b97215fd 951 select ZONE_DMA32 if 64BIT
7f058e85
J
952 select SYNC_R4K
953 select SYS_HAS_EARLY_PRINTK
8f0b0430
J
954 select SYS_SUPPORTS_ZBOOT
955 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
956 help
957 Support for systems based on Netlogic XLR and XLS processors.
958 Say Y here if you have a XLR or XLS based board.
959
1c773ea4
J
960config NLM_XLP_BOARD
961 bool "Netlogic XLP based systems"
1c773ea4
J
962 select BOOT_ELF32
963 select NLM_COMMON
964 select SYS_HAS_CPU_XLP
965 select SYS_SUPPORTS_SMP
966 select HW_HAS_PCI
1c773ea4
J
967 select SYS_SUPPORTS_32BIT_KERNEL
968 select SYS_SUPPORTS_64BIT_KERNEL
d4a451d5 969 select PHYS_ADDR_T_64BIT
d30a2b47 970 select GPIOLIB
1c773ea4
J
971 select SYS_SUPPORTS_BIG_ENDIAN
972 select SYS_SUPPORTS_LITTLE_ENDIAN
973 select SYS_SUPPORTS_HIGHMEM
1c773ea4
J
974 select NR_CPUS_DEFAULT_32
975 select CEVT_R4K
976 select CSRC_R4K
67e38cf2 977 select IRQ_MIPS_CPU
b97215fd 978 select ZONE_DMA32 if 64BIT
1c773ea4
J
979 select SYNC_R4K
980 select SYS_HAS_EARLY_PRINTK
2f6528e1 981 select USE_OF
8f0b0430
J
982 select SYS_SUPPORTS_ZBOOT
983 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
984 help
985 This board is based on Netlogic XLP Processor.
986 Say Y here if you have a XLP based board.
987
9bc463be
DD
988config MIPS_PARAVIRT
989 bool "Para-Virtualized guest system"
990 select CEVT_R4K
991 select CSRC_R4K
9bc463be
DD
992 select SYS_SUPPORTS_64BIT_KERNEL
993 select SYS_SUPPORTS_32BIT_KERNEL
994 select SYS_SUPPORTS_BIG_ENDIAN
995 select SYS_SUPPORTS_SMP
996 select NR_CPUS_DEFAULT_4
997 select SYS_HAS_EARLY_PRINTK
998 select SYS_HAS_CPU_MIPS32_R2
999 select SYS_HAS_CPU_MIPS64_R2
1000 select SYS_HAS_CPU_CAVIUM_OCTEON
1001 select HW_HAS_PCI
1002 select SWAP_IO_SPACE
1003 help
1004 This option supports guest running under ????
1005
5e83d430 1006endchoice
1da177e4 1007
e8c7c482 1008source "arch/mips/alchemy/Kconfig"
3b12308f 1009source "arch/mips/ath25/Kconfig"
d4a67d9d 1010source "arch/mips/ath79/Kconfig"
a656ffcb 1011source "arch/mips/bcm47xx/Kconfig"
e7300d04 1012source "arch/mips/bcm63xx/Kconfig"
8945e37e 1013source "arch/mips/bmips/Kconfig"
eed0eabd 1014source "arch/mips/generic/Kconfig"
5e83d430 1015source "arch/mips/jazz/Kconfig"
5ebabe59 1016source "arch/mips/jz4740/Kconfig"
8ec6d935 1017source "arch/mips/lantiq/Kconfig"
1f21d2bd 1018source "arch/mips/lasat/Kconfig"
2572f00d 1019source "arch/mips/pic32/Kconfig"
af0cfb2c 1020source "arch/mips/pistachio/Kconfig"
0f3a05cb 1021source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 1022source "arch/mips/ralink/Kconfig"
29c48699 1023source "arch/mips/sgi-ip27/Kconfig"
38b18f72 1024source "arch/mips/sibyte/Kconfig"
22b1d707 1025source "arch/mips/txx9/Kconfig"
5e83d430 1026source "arch/mips/vr41xx/Kconfig"
a86c7f72 1027source "arch/mips/cavium-octeon/Kconfig"
30ad29bb
HC
1028source "arch/mips/loongson32/Kconfig"
1029source "arch/mips/loongson64/Kconfig"
7f058e85 1030source "arch/mips/netlogic/Kconfig"
ae6e7e63 1031source "arch/mips/paravirt/Kconfig"
38b18f72 1032
5e83d430
RB
1033endmenu
1034
1da177e4
LT
1035config RWSEM_GENERIC_SPINLOCK
1036 bool
1037 default y
1038
1039config RWSEM_XCHGADD_ALGORITHM
1040 bool
1041
3c9ee7ef
AM
1042config GENERIC_HWEIGHT
1043 bool
1044 default y
1045
1da177e4
LT
1046config GENERIC_CALIBRATE_DELAY
1047 bool
1048 default y
1049
ae1e9130 1050config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
1051 bool
1052 default y
1053
1da177e4
LT
1054#
1055# Select some configuration options automatically based on user selections.
1056#
0e2794b0 1057config FW_ARC
1da177e4 1058 bool
1da177e4 1059
61ed242d
RB
1060config ARCH_MAY_HAVE_PC_FDC
1061 bool
1062
9267a30d
MSJ
1063config BOOT_RAW
1064 bool
1065
217dd11e
RB
1066config CEVT_BCM1480
1067 bool
1068
6457d9fc
YY
1069config CEVT_DS1287
1070 bool
1071
1097c6ac
YY
1072config CEVT_GT641XX
1073 bool
1074
42f77542
RB
1075config CEVT_R4K
1076 bool
1077
217dd11e
RB
1078config CEVT_SB1250
1079 bool
1080
229f773e
AN
1081config CEVT_TXX9
1082 bool
1083
217dd11e
RB
1084config CSRC_BCM1480
1085 bool
1086
4247417d
YY
1087config CSRC_IOASIC
1088 bool
1089
940f6b48
RB
1090config CSRC_R4K
1091 bool
1092
217dd11e
RB
1093config CSRC_SB1250
1094 bool
1095
a7f4df4e
AS
1096config MIPS_CLOCK_VSYSCALL
1097 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1098
a9aec7fe 1099config GPIO_TXX9
d30a2b47 1100 select GPIOLIB
a9aec7fe
AN
1101 bool
1102
0e2794b0 1103config FW_CFE
df78b5c8
AJ
1104 bool
1105
40e084a5
RB
1106config ARCH_SUPPORTS_UPROBES
1107 bool
1108
885014bc
FF
1109config DMA_MAYBE_COHERENT
1110 select DMA_NONCOHERENT
1111 bool
1112
20d33064
PB
1113config DMA_PERDEV_COHERENT
1114 bool
1115 select DMA_MAYBE_COHERENT
1116
4ce588cd
RB
1117config DMA_NONCOHERENT
1118 bool
f8c55dc6
CH
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_SYNC_DMA_FOR_CPU
e1e02b32 1121 select NEED_DMA_MAP_STATE
f8c55dc6
CH
1122 select DMA_NONCOHERENT_MMAP
1123 select DMA_NONCOHERENT_CACHE_SYNC
28f512d9 1124 select DMA_NONCOHERENT_OPS
4ce588cd 1125
36a88530 1126config SYS_HAS_EARLY_PRINTK
1da177e4 1127 bool
1da177e4 1128
1b2bc75c 1129config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 1130 bool
dbb74540 1131
1da177e4
LT
1132config MIPS_BONITO64
1133 bool
1da177e4
LT
1134
1135config MIPS_MSC
1136 bool
1da177e4 1137
1f21d2bd
BM
1138config MIPS_NILE4
1139 bool
1140
39b8d525
RB
1141config SYNC_R4K
1142 bool
1143
487d70d0
GJ
1144config MIPS_MACHINE
1145 def_bool n
1146
ce816fa8 1147config NO_IOPORT_MAP
d388d685
MR
1148 def_bool n
1149
4e0748f5
MC
1150config GENERIC_CSUM
1151 bool
1152
8313da30
RB
1153config GENERIC_ISA_DMA
1154 bool
1155 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 1156 select ISA_DMA_API
8313da30 1157
aa414dff
RB
1158config GENERIC_ISA_DMA_SUPPORT_BROKEN
1159 bool
8313da30 1160 select GENERIC_ISA_DMA
aa414dff 1161
a35bee8a
NK
1162config ISA_DMA_API
1163 bool
1164
465aaed0
DD
1165config HOLES_IN_ZONE
1166 bool
1167
8c530ea3
MR
1168config SYS_SUPPORTS_RELOCATABLE
1169 bool
1170 help
1171 Selected if the platform supports relocating the kernel.
1172 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1173 to allow access to command line and entropy sources.
1174
f381bf6d
DD
1175config MIPS_CBPF_JIT
1176 def_bool y
1177 depends on BPF_JIT && HAVE_CBPF_JIT
1178
1179config MIPS_EBPF_JIT
1180 def_bool y
1181 depends on BPF_JIT && HAVE_EBPF_JIT
1182
1183
5e83d430 1184#
6b2aac42 1185# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
1186# answer,so we try hard to limit the available choices. Also the use of a
1187# choice statement should be more obvious to the user.
1188#
1189choice
6b2aac42 1190 prompt "Endianness selection"
1da177e4
LT
1191 help
1192 Some MIPS machines can be configured for either little or big endian
5e83d430 1193 byte order. These modes require different kernels and a different
3cb2fccc 1194 Linux distribution. In general there is one preferred byteorder for a
5e83d430 1195 particular system but some systems are just as commonly used in the
3dde6ad8 1196 one or the other endianness.
5e83d430
RB
1197
1198config CPU_BIG_ENDIAN
1199 bool "Big endian"
1200 depends on SYS_SUPPORTS_BIG_ENDIAN
1201
1202config CPU_LITTLE_ENDIAN
1203 bool "Little endian"
1204 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
1205
1206endchoice
1207
22b0763a
DD
1208config EXPORT_UASM
1209 bool
1210
2116245e
RB
1211config SYS_SUPPORTS_APM_EMULATION
1212 bool
1213
5e83d430
RB
1214config SYS_SUPPORTS_BIG_ENDIAN
1215 bool
1216
1217config SYS_SUPPORTS_LITTLE_ENDIAN
1218 bool
1da177e4 1219
9cffd154
DD
1220config SYS_SUPPORTS_HUGETLBFS
1221 bool
1222 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1223 default y
1224
aa1762f4
DD
1225config MIPS_HUGE_TLB_SUPPORT
1226 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1227
1da177e4
LT
1228config IRQ_CPU_RM7K
1229 bool
1230
9267a30d
MSJ
1231config IRQ_MSP_SLP
1232 bool
1233
1234config IRQ_MSP_CIC
1235 bool
1236
8420fd00
AN
1237config IRQ_TXX9
1238 bool
1239
d5ab1a69
YY
1240config IRQ_GT641XX
1241 bool
1242
252161ec 1243config PCI_GT64XXX_PCI0
1da177e4 1244 bool
1da177e4 1245
9267a30d
MSJ
1246config NO_EXCEPT_FILL
1247 bool
1248
a83860c2
RB
1249config SOC_EMMA2RH
1250 bool
1251 select CEVT_R4K
1252 select CSRC_R4K
1253 select DMA_NONCOHERENT
67e38cf2 1254 select IRQ_MIPS_CPU
a83860c2
RB
1255 select SWAP_IO_SPACE
1256 select SYS_HAS_CPU_R5500
1257 select SYS_SUPPORTS_32BIT_KERNEL
1258 select SYS_SUPPORTS_64BIT_KERNEL
1259 select SYS_SUPPORTS_BIG_ENDIAN
1260
edb6310a
DL
1261config SOC_PNX833X
1262 bool
1263 select CEVT_R4K
1264 select CSRC_R4K
67e38cf2 1265 select IRQ_MIPS_CPU
edb6310a
DL
1266 select DMA_NONCOHERENT
1267 select SYS_HAS_CPU_MIPS32_R2
1268 select SYS_SUPPORTS_32BIT_KERNEL
1269 select SYS_SUPPORTS_LITTLE_ENDIAN
1270 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 1271 select SYS_SUPPORTS_MIPS16
edb6310a
DL
1272 select CPU_MIPSR2_IRQ_VI
1273
1274config SOC_PNX8335
1275 bool
1276 select SOC_PNX833X
1277
a7e07b1a
MC
1278config MIPS_SPRAM
1279 bool
1280
1da177e4
LT
1281config SWAP_IO_SPACE
1282 bool
1283
e2defae5
TB
1284config SGI_HAS_INDYDOG
1285 bool
1286
5b438c44
TB
1287config SGI_HAS_HAL2
1288 bool
1289
e2defae5
TB
1290config SGI_HAS_SEEQ
1291 bool
1292
1293config SGI_HAS_WD93
1294 bool
1295
1296config SGI_HAS_ZILOG
1297 bool
1298
1299config SGI_HAS_I8042
1300 bool
1301
1302config DEFAULT_SGI_PARTITION
1303 bool
1304
0e2794b0 1305config FW_ARC32
5e83d430
RB
1306 bool
1307
aaa9fad3 1308config FW_SNIPROM
231a35d3
TB
1309 bool
1310
1da177e4
LT
1311config BOOT_ELF32
1312 bool
1da177e4 1313
930beb5a
FF
1314config MIPS_L1_CACHE_SHIFT_4
1315 bool
1316
1317config MIPS_L1_CACHE_SHIFT_5
1318 bool
1319
1320config MIPS_L1_CACHE_SHIFT_6
1321 bool
1322
1323config MIPS_L1_CACHE_SHIFT_7
1324 bool
1325
1da177e4
LT
1326config MIPS_L1_CACHE_SHIFT
1327 int
a4c0201e 1328 default "7" if MIPS_L1_CACHE_SHIFT_7
5432eeb6
KC
1329 default "6" if MIPS_L1_CACHE_SHIFT_6
1330 default "5" if MIPS_L1_CACHE_SHIFT_5
1331 default "4" if MIPS_L1_CACHE_SHIFT_4
1da177e4
LT
1332 default "5"
1333
1da177e4
LT
1334config HAVE_STD_PC_SERIAL_PORT
1335 bool
1336
1da177e4
LT
1337config ARC_CONSOLE
1338 bool "ARC console support"
e2defae5 1339 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1340
1341config ARC_MEMORY
1342 bool
14b36af4 1343 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1344 default y
1345
1346config ARC_PROMLIB
1347 bool
e2defae5 1348 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1349 default y
1350
0e2794b0 1351config FW_ARC64
1da177e4 1352 bool
1da177e4
LT
1353
1354config BOOT_ELF64
1355 bool
1da177e4 1356
1da177e4
LT
1357menu "CPU selection"
1358
1359choice
1360 prompt "CPU type"
1361 default CPU_R4X00
1362
0e476d91
HC
1363config CPU_LOONGSON3
1364 bool "Loongson 3 CPU"
1365 depends on SYS_HAS_CPU_LOONGSON3
d3bc81be 1366 select ARCH_HAS_PHYS_TO_DMA
0e476d91
HC
1367 select CPU_SUPPORTS_64BIT_KERNEL
1368 select CPU_SUPPORTS_HIGHMEM
1369 select CPU_SUPPORTS_HUGEPAGES
1370 select WEAK_ORDERING
1371 select WEAK_REORDERING_BEYOND_LLSC
b2edcfc8 1372 select MIPS_PGD_C0_CONTEXT
17c99d94 1373 select MIPS_L1_CACHE_SHIFT_6
d30a2b47 1374 select GPIOLIB
09230cbc 1375 select SWIOTLB
0e476d91
HC
1376 help
1377 The Loongson 3 processor implements the MIPS64R2 instruction
1378 set with many extensions.
1379
1e820da3
HC
1380config LOONGSON3_ENHANCEMENT
1381 bool "New Loongson 3 CPU Enhancements"
1382 default n
1383 select CPU_MIPSR2
1384 select CPU_HAS_PREFETCH
1385 depends on CPU_LOONGSON3
1386 help
1387 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1388 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1389 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1390 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1391 Fast TLB refill support, etc.
1392
1393 This option enable those enhancements which are not probed at run
1394 time. If you want a generic kernel to run on all Loongson 3 machines,
1395 please say 'N' here. If you want a high-performance kernel to run on
1396 new Loongson 3 machines only, please say 'Y' here.
1397
3702bba5
WZ
1398config CPU_LOONGSON2E
1399 bool "Loongson 2E"
1400 depends on SYS_HAS_CPU_LOONGSON2E
1401 select CPU_LOONGSON2
2a21c730
FZ
1402 help
1403 The Loongson 2E processor implements the MIPS III instruction set
1404 with many extensions.
1405
25985edc 1406 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1407 bonito64.
1408
1409config CPU_LOONGSON2F
1410 bool "Loongson 2F"
1411 depends on SYS_HAS_CPU_LOONGSON2F
1412 select CPU_LOONGSON2
d30a2b47 1413 select GPIOLIB
6f7a251a
WZ
1414 help
1415 The Loongson 2F processor implements the MIPS III instruction set
1416 with many extensions.
1417
1418 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1419 have a similar programming interface with FPGA northbridge used in
1420 Loongson2E.
1421
ca585cf9
KC
1422config CPU_LOONGSON1B
1423 bool "Loongson 1B"
1424 depends on SYS_HAS_CPU_LOONGSON1B
1425 select CPU_LOONGSON1
9ec88b60 1426 select LEDS_GPIO_REGISTER
ca585cf9
KC
1427 help
1428 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1429 Release 1 instruction set and part of the MIPS32 Release 2
1430 instruction set.
ca585cf9 1431
12e3280b
YL
1432config CPU_LOONGSON1C
1433 bool "Loongson 1C"
1434 depends on SYS_HAS_CPU_LOONGSON1C
1435 select CPU_LOONGSON1
12e3280b
YL
1436 select LEDS_GPIO_REGISTER
1437 help
1438 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1439 Release 1 instruction set and part of the MIPS32 Release 2
1440 instruction set.
12e3280b 1441
6e760c8d
RB
1442config CPU_MIPS32_R1
1443 bool "MIPS32 Release 1"
7cf8053b 1444 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1445 select CPU_HAS_PREFETCH
797798c1 1446 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1447 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1448 help
5e83d430 1449 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1450 MIPS32 architecture. Most modern embedded systems with a 32-bit
1451 MIPS processor are based on a MIPS32 processor. If you know the
1452 specific type of processor in your system, choose those that one
1453 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1454 Release 2 of the MIPS32 architecture is available since several
1455 years so chances are you even have a MIPS32 Release 2 processor
1456 in which case you should choose CPU_MIPS32_R2 instead for better
1457 performance.
1458
1459config CPU_MIPS32_R2
1460 bool "MIPS32 Release 2"
7cf8053b 1461 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1462 select CPU_HAS_PREFETCH
797798c1 1463 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1464 select CPU_SUPPORTS_HIGHMEM
a5e9a69e 1465 select CPU_SUPPORTS_MSA
2235a54d 1466 select HAVE_KVM
6e760c8d 1467 help
5e83d430 1468 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1469 MIPS32 architecture. Most modern embedded systems with a 32-bit
1470 MIPS processor are based on a MIPS32 processor. If you know the
1471 specific type of processor in your system, choose those that one
1472 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1473
7fd08ca5 1474config CPU_MIPS32_R6
674d10e2 1475 bool "MIPS32 Release 6"
7fd08ca5
LY
1476 depends on SYS_HAS_CPU_MIPS32_R6
1477 select CPU_HAS_PREFETCH
1478 select CPU_SUPPORTS_32BIT_KERNEL
1479 select CPU_SUPPORTS_HIGHMEM
1480 select CPU_SUPPORTS_MSA
4e0748f5 1481 select GENERIC_CSUM
7fd08ca5
LY
1482 select HAVE_KVM
1483 select MIPS_O32_FP64_SUPPORT
1484 help
1485 Choose this option to build a kernel for release 6 or later of the
1486 MIPS32 architecture. New MIPS processors, starting with the Warrior
1487 family, are based on a MIPS32r6 processor. If you own an older
1488 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1489
6e760c8d
RB
1490config CPU_MIPS64_R1
1491 bool "MIPS64 Release 1"
7cf8053b 1492 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1493 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1494 select CPU_SUPPORTS_32BIT_KERNEL
1495 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1496 select CPU_SUPPORTS_HIGHMEM
9cffd154 1497 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1498 help
1499 Choose this option to build a kernel for release 1 or later of the
1500 MIPS64 architecture. Many modern embedded systems with a 64-bit
1501 MIPS processor are based on a MIPS64 processor. If you know the
1502 specific type of processor in your system, choose those that one
1503 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1504 Release 2 of the MIPS64 architecture is available since several
1505 years so chances are you even have a MIPS64 Release 2 processor
1506 in which case you should choose CPU_MIPS64_R2 instead for better
1507 performance.
1508
1509config CPU_MIPS64_R2
1510 bool "MIPS64 Release 2"
7cf8053b 1511 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1512 select CPU_HAS_PREFETCH
1e5f1caa
RB
1513 select CPU_SUPPORTS_32BIT_KERNEL
1514 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1515 select CPU_SUPPORTS_HIGHMEM
9cffd154 1516 select CPU_SUPPORTS_HUGEPAGES
a5e9a69e 1517 select CPU_SUPPORTS_MSA
40a2df49 1518 select HAVE_KVM
1e5f1caa
RB
1519 help
1520 Choose this option to build a kernel for release 2 or later of the
1521 MIPS64 architecture. Many modern embedded systems with a 64-bit
1522 MIPS processor are based on a MIPS64 processor. If you know the
1523 specific type of processor in your system, choose those that one
1524 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4 1525
7fd08ca5 1526config CPU_MIPS64_R6
674d10e2 1527 bool "MIPS64 Release 6"
7fd08ca5
LY
1528 depends on SYS_HAS_CPU_MIPS64_R6
1529 select CPU_HAS_PREFETCH
1530 select CPU_SUPPORTS_32BIT_KERNEL
1531 select CPU_SUPPORTS_64BIT_KERNEL
1532 select CPU_SUPPORTS_HIGHMEM
1533 select CPU_SUPPORTS_MSA
4e0748f5 1534 select GENERIC_CSUM
2e6c7747 1535 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
40a2df49 1536 select HAVE_KVM
7fd08ca5
LY
1537 help
1538 Choose this option to build a kernel for release 6 or later of the
1539 MIPS64 architecture. New MIPS processors, starting with the Warrior
1540 family, are based on a MIPS64r6 processor. If you own an older
1541 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1542
1da177e4
LT
1543config CPU_R3000
1544 bool "R3000"
7cf8053b 1545 depends on SYS_HAS_CPU_R3000
f7062ddb 1546 select CPU_HAS_WB
ed5ba2fb 1547 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1548 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1549 help
1550 Please make sure to pick the right CPU type. Linux/MIPS is not
1551 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1552 *not* work on R4000 machines and vice versa. However, since most
1553 of the supported machines have an R4000 (or similar) CPU, R4x00
1554 might be a safe bet. If the resulting kernel does not work,
1555 try to recompile with R3000.
1556
1557config CPU_TX39XX
1558 bool "R39XX"
7cf8053b 1559 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1560 select CPU_SUPPORTS_32BIT_KERNEL
1da177e4
LT
1561
1562config CPU_VR41XX
1563 bool "R41xx"
7cf8053b 1564 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1565 select CPU_SUPPORTS_32BIT_KERNEL
1566 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4 1567 help
5e83d430 1568 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1569 Only choose this option if you have one of these processors as a
1570 kernel built with this option will not run on any other type of
1571 processor or vice versa.
1572
1573config CPU_R4300
1574 bool "R4300"
7cf8053b 1575 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1576 select CPU_SUPPORTS_32BIT_KERNEL
1577 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1578 help
1579 MIPS Technologies R4300-series processors.
1580
1581config CPU_R4X00
1582 bool "R4x00"
7cf8053b 1583 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1584 select CPU_SUPPORTS_32BIT_KERNEL
1585 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1586 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1587 help
1588 MIPS Technologies R4000-series processors other than 4300, including
1589 the R4000, R4400, R4600, and 4700.
1590
1591config CPU_TX49XX
1592 bool "R49XX"
7cf8053b 1593 depends on SYS_HAS_CPU_TX49XX
de862b48 1594 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1595 select CPU_SUPPORTS_32BIT_KERNEL
1596 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1597 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1598
1599config CPU_R5000
1600 bool "R5000"
7cf8053b 1601 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1602 select CPU_SUPPORTS_32BIT_KERNEL
1603 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1604 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1605 help
1606 MIPS Technologies R5000-series processors other than the Nevada.
1607
1608config CPU_R5432
1609 bool "R5432"
7cf8053b 1610 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1611 select CPU_SUPPORTS_32BIT_KERNEL
1612 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1613 select CPU_SUPPORTS_HUGEPAGES
1da177e4 1614
542c1020
SK
1615config CPU_R5500
1616 bool "R5500"
1617 depends on SYS_HAS_CPU_R5500
542c1020
SK
1618 select CPU_SUPPORTS_32BIT_KERNEL
1619 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1620 select CPU_SUPPORTS_HUGEPAGES
542c1020
SK
1621 help
1622 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1623 instruction set.
1624
1da177e4
LT
1625config CPU_NEVADA
1626 bool "RM52xx"
7cf8053b 1627 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1628 select CPU_SUPPORTS_32BIT_KERNEL
1629 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1630 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1631 help
1632 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1633
1634config CPU_R8000
1635 bool "R8000"
7cf8053b 1636 depends on SYS_HAS_CPU_R8000
5e83d430 1637 select CPU_HAS_PREFETCH
ed5ba2fb 1638 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1639 help
1640 MIPS Technologies R8000 processors. Note these processors are
1641 uncommon and the support for them is incomplete.
1642
1643config CPU_R10000
1644 bool "R10000"
7cf8053b 1645 depends on SYS_HAS_CPU_R10000
5e83d430 1646 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1647 select CPU_SUPPORTS_32BIT_KERNEL
1648 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1649 select CPU_SUPPORTS_HIGHMEM
970d032f 1650 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1651 help
1652 MIPS Technologies R10000-series processors.
1653
1654config CPU_RM7000
1655 bool "RM7000"
7cf8053b 1656 depends on SYS_HAS_CPU_RM7000
5e83d430 1657 select CPU_HAS_PREFETCH
ed5ba2fb
YY
1658 select CPU_SUPPORTS_32BIT_KERNEL
1659 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1660 select CPU_SUPPORTS_HIGHMEM
970d032f 1661 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1662
1663config CPU_SB1
1664 bool "SB1"
7cf8053b 1665 depends on SYS_HAS_CPU_SB1
ed5ba2fb
YY
1666 select CPU_SUPPORTS_32BIT_KERNEL
1667 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1668 select CPU_SUPPORTS_HIGHMEM
970d032f 1669 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1670 select WEAK_ORDERING
1da177e4 1671
a86c7f72
DD
1672config CPU_CAVIUM_OCTEON
1673 bool "Cavium Octeon processor"
5e683389 1674 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72
DD
1675 select CPU_HAS_PREFETCH
1676 select CPU_SUPPORTS_64BIT_KERNEL
a86c7f72 1677 select WEAK_ORDERING
a86c7f72 1678 select CPU_SUPPORTS_HIGHMEM
9cffd154 1679 select CPU_SUPPORTS_HUGEPAGES
df115f3e
BH
1680 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1681 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
930beb5a 1682 select MIPS_L1_CACHE_SHIFT_7
0ae3abcd 1683 select HAVE_KVM
a86c7f72
DD
1684 help
1685 The Cavium Octeon processor is a highly integrated chip containing
1686 many ethernet hardware widgets for networking tasks. The processor
1687 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1688 Full details can be found at http://www.caviumnetworks.com.
1689
cd746249
JG
1690config CPU_BMIPS
1691 bool "Broadcom BMIPS"
1692 depends on SYS_HAS_CPU_BMIPS
1693 select CPU_MIPS32
fe7f62c0 1694 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
cd746249
JG
1695 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1696 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1697 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1698 select CPU_SUPPORTS_32BIT_KERNEL
1699 select DMA_NONCOHERENT
67e38cf2 1700 select IRQ_MIPS_CPU
cd746249
JG
1701 select SWAP_IO_SPACE
1702 select WEAK_ORDERING
c1c0c461 1703 select CPU_SUPPORTS_HIGHMEM
69aaf9c8 1704 select CPU_HAS_PREFETCH
a8d709b0
MM
1705 select CPU_SUPPORTS_CPUFREQ
1706 select MIPS_EXTERNAL_TIMER
c1c0c461 1707 help
fe7f62c0 1708 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
c1c0c461 1709
7f058e85
J
1710config CPU_XLR
1711 bool "Netlogic XLR SoC"
1712 depends on SYS_HAS_CPU_XLR
1713 select CPU_SUPPORTS_32BIT_KERNEL
1714 select CPU_SUPPORTS_64BIT_KERNEL
1715 select CPU_SUPPORTS_HIGHMEM
970d032f 1716 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1717 select WEAK_ORDERING
1718 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1719 help
1720 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1721
1722config CPU_XLP
1723 bool "Netlogic XLP SoC"
1724 depends on SYS_HAS_CPU_XLP
1725 select CPU_SUPPORTS_32BIT_KERNEL
1726 select CPU_SUPPORTS_64BIT_KERNEL
1727 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1728 select WEAK_ORDERING
1729 select WEAK_REORDERING_BEYOND_LLSC
1730 select CPU_HAS_PREFETCH
d6504846 1731 select CPU_MIPSR2
ddba6833 1732 select CPU_SUPPORTS_HUGEPAGES
2db003a5 1733 select MIPS_ASID_BITS_VARIABLE
1c773ea4
J
1734 help
1735 Netlogic Microsystems XLP processors.
1da177e4
LT
1736endchoice
1737
a6e18781
LY
1738config CPU_MIPS32_3_5_FEATURES
1739 bool "MIPS32 Release 3.5 Features"
1740 depends on SYS_HAS_CPU_MIPS32_R3_5
7fd08ca5 1741 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
a6e18781
LY
1742 help
1743 Choose this option to build a kernel for release 2 or later of the
1744 MIPS32 architecture including features from the 3.5 release such as
1745 support for Enhanced Virtual Addressing (EVA).
1746
1747config CPU_MIPS32_3_5_EVA
1748 bool "Enhanced Virtual Addressing (EVA)"
1749 depends on CPU_MIPS32_3_5_FEATURES
1750 select EVA
1751 default y
1752 help
1753 Choose this option if you want to enable the Enhanced Virtual
1754 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1755 One of its primary benefits is an increase in the maximum size
1756 of lowmem (up to 3GB). If unsure, say 'N' here.
1757
c5b36783
SH
1758config CPU_MIPS32_R5_FEATURES
1759 bool "MIPS32 Release 5 Features"
1760 depends on SYS_HAS_CPU_MIPS32_R5
1761 depends on CPU_MIPS32_R2
1762 help
1763 Choose this option to build a kernel for release 2 or later of the
1764 MIPS32 architecture including features from release 5 such as
1765 support for Extended Physical Addressing (XPA).
1766
1767config CPU_MIPS32_R5_XPA
1768 bool "Extended Physical Addressing (XPA)"
1769 depends on CPU_MIPS32_R5_FEATURES
1770 depends on !EVA
1771 depends on !PAGE_SIZE_4KB
1772 depends on SYS_SUPPORTS_HIGHMEM
1773 select XPA
1774 select HIGHMEM
d4a451d5 1775 select PHYS_ADDR_T_64BIT
c5b36783
SH
1776 default n
1777 help
1778 Choose this option if you want to enable the Extended Physical
1779 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1780 benefit is to increase physical addressing equal to or greater
1781 than 40 bits. Note that this has the side effect of turning on
1782 64-bit addressing which in turn makes the PTEs 64-bit in size.
1783 If unsure, say 'N' here.
1784
622844bf
WZ
1785if CPU_LOONGSON2F
1786config CPU_NOP_WORKAROUNDS
1787 bool
1788
1789config CPU_JUMP_WORKAROUNDS
1790 bool
1791
1792config CPU_LOONGSON2F_WORKAROUNDS
1793 bool "Loongson 2F Workarounds"
1794 default y
1795 select CPU_NOP_WORKAROUNDS
1796 select CPU_JUMP_WORKAROUNDS
1797 help
1798 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1799 require workarounds. Without workarounds the system may hang
1800 unexpectedly. For more information please refer to the gas
1801 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1802
1803 Loongson 2F03 and later have fixed these issues and no workarounds
1804 are needed. The workarounds have no significant side effect on them
1805 but may decrease the performance of the system so this option should
1806 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1807 systems.
1808
1809 If unsure, please say Y.
1810endif # CPU_LOONGSON2F
1811
1b93b3c3
WZ
1812config SYS_SUPPORTS_ZBOOT
1813 bool
1814 select HAVE_KERNEL_GZIP
1815 select HAVE_KERNEL_BZIP2
31c4867d 1816 select HAVE_KERNEL_LZ4
1b93b3c3 1817 select HAVE_KERNEL_LZMA
fe1d45e0 1818 select HAVE_KERNEL_LZO
4e23eb63 1819 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1820
1821config SYS_SUPPORTS_ZBOOT_UART16550
1822 bool
1823 select SYS_SUPPORTS_ZBOOT
1824
dbb98314
AB
1825config SYS_SUPPORTS_ZBOOT_UART_PROM
1826 bool
1827 select SYS_SUPPORTS_ZBOOT
1828
3702bba5
WZ
1829config CPU_LOONGSON2
1830 bool
1831 select CPU_SUPPORTS_32BIT_KERNEL
1832 select CPU_SUPPORTS_64BIT_KERNEL
1833 select CPU_SUPPORTS_HIGHMEM
970d032f 1834 select CPU_SUPPORTS_HUGEPAGES
e905086e 1835 select ARCH_HAS_PHYS_TO_DMA
3702bba5 1836
ca585cf9
KC
1837config CPU_LOONGSON1
1838 bool
1839 select CPU_MIPS32
968dc5a0 1840 select CPU_MIPSR1
ca585cf9
KC
1841 select CPU_HAS_PREFETCH
1842 select CPU_SUPPORTS_32BIT_KERNEL
1843 select CPU_SUPPORTS_HIGHMEM
f29ad10d 1844 select CPU_SUPPORTS_CPUFREQ
ca585cf9 1845
fe7f62c0 1846config CPU_BMIPS32_3300
04fa8bf7 1847 select SMP_UP if SMP
1bbb6c1b 1848 bool
cd746249
JG
1849
1850config CPU_BMIPS4350
1851 bool
1852 select SYS_SUPPORTS_SMP
1853 select SYS_SUPPORTS_HOTPLUG_CPU
1854
1855config CPU_BMIPS4380
1856 bool
bbf2ba67 1857 select MIPS_L1_CACHE_SHIFT_6
cd746249
JG
1858 select SYS_SUPPORTS_SMP
1859 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1860 select CPU_HAS_RIXI
cd746249
JG
1861
1862config CPU_BMIPS5000
1863 bool
cd746249 1864 select MIPS_CPU_SCACHE
bbf2ba67 1865 select MIPS_L1_CACHE_SHIFT_7
cd746249
JG
1866 select SYS_SUPPORTS_SMP
1867 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1868 select CPU_HAS_RIXI
1bbb6c1b 1869
0e476d91
HC
1870config SYS_HAS_CPU_LOONGSON3
1871 bool
1872 select CPU_SUPPORTS_CPUFREQ
b2edcfc8 1873 select CPU_HAS_RIXI
0e476d91 1874
3702bba5 1875config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1876 bool
1877
6f7a251a
WZ
1878config SYS_HAS_CPU_LOONGSON2F
1879 bool
55045ff5
WZ
1880 select CPU_SUPPORTS_CPUFREQ
1881 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1882 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1883
ca585cf9
KC
1884config SYS_HAS_CPU_LOONGSON1B
1885 bool
1886
12e3280b
YL
1887config SYS_HAS_CPU_LOONGSON1C
1888 bool
1889
7cf8053b
RB
1890config SYS_HAS_CPU_MIPS32_R1
1891 bool
1892
1893config SYS_HAS_CPU_MIPS32_R2
1894 bool
1895
a6e18781
LY
1896config SYS_HAS_CPU_MIPS32_R3_5
1897 bool
1898
c5b36783
SH
1899config SYS_HAS_CPU_MIPS32_R5
1900 bool
1901
7fd08ca5
LY
1902config SYS_HAS_CPU_MIPS32_R6
1903 bool
1904
7cf8053b
RB
1905config SYS_HAS_CPU_MIPS64_R1
1906 bool
1907
1908config SYS_HAS_CPU_MIPS64_R2
1909 bool
1910
7fd08ca5
LY
1911config SYS_HAS_CPU_MIPS64_R6
1912 bool
1913
7cf8053b
RB
1914config SYS_HAS_CPU_R3000
1915 bool
1916
1917config SYS_HAS_CPU_TX39XX
1918 bool
1919
1920config SYS_HAS_CPU_VR41XX
1921 bool
1922
1923config SYS_HAS_CPU_R4300
1924 bool
1925
1926config SYS_HAS_CPU_R4X00
1927 bool
1928
1929config SYS_HAS_CPU_TX49XX
1930 bool
1931
1932config SYS_HAS_CPU_R5000
1933 bool
1934
1935config SYS_HAS_CPU_R5432
1936 bool
1937
542c1020
SK
1938config SYS_HAS_CPU_R5500
1939 bool
1940
7cf8053b
RB
1941config SYS_HAS_CPU_NEVADA
1942 bool
1943
1944config SYS_HAS_CPU_R8000
1945 bool
1946
1947config SYS_HAS_CPU_R10000
1948 bool
1949
1950config SYS_HAS_CPU_RM7000
1951 bool
1952
7cf8053b
RB
1953config SYS_HAS_CPU_SB1
1954 bool
1955
5e683389
DD
1956config SYS_HAS_CPU_CAVIUM_OCTEON
1957 bool
1958
cd746249 1959config SYS_HAS_CPU_BMIPS
c1c0c461
KC
1960 bool
1961
fe7f62c0 1962config SYS_HAS_CPU_BMIPS32_3300
c1c0c461 1963 bool
cd746249 1964 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1965
1966config SYS_HAS_CPU_BMIPS4350
1967 bool
cd746249 1968 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1969
1970config SYS_HAS_CPU_BMIPS4380
1971 bool
cd746249 1972 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1973
1974config SYS_HAS_CPU_BMIPS5000
1975 bool
cd746249 1976 select SYS_HAS_CPU_BMIPS
c1c0c461 1977
7f058e85
J
1978config SYS_HAS_CPU_XLR
1979 bool
1980
1c773ea4
J
1981config SYS_HAS_CPU_XLP
1982 bool
1983
17099b11
RB
1984#
1985# CPU may reorder R->R, R->W, W->R, W->W
1986# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1987#
0004a9df
RB
1988config WEAK_ORDERING
1989 bool
17099b11
RB
1990
1991#
1992# CPU may reorder reads and writes beyond LL/SC
1993# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1994#
1995config WEAK_REORDERING_BEYOND_LLSC
1996 bool
5e83d430
RB
1997endmenu
1998
1999#
c09b47d8 2000# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
2001#
2002config CPU_MIPS32
2003 bool
7fd08ca5 2004 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
5e83d430
RB
2005
2006config CPU_MIPS64
2007 bool
7fd08ca5 2008 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
5e83d430
RB
2009
2010#
c09b47d8 2011# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
2012#
2013config CPU_MIPSR1
2014 bool
2015 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2016
2017config CPU_MIPSR2
2018 bool
a86c7f72 2019 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
8256b17e 2020 select CPU_HAS_RIXI
a7e07b1a 2021 select MIPS_SPRAM
5e83d430 2022
7fd08ca5
LY
2023config CPU_MIPSR6
2024 bool
2025 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
8256b17e 2026 select CPU_HAS_RIXI
87321fdd 2027 select HAVE_ARCH_BITREVERSE
2db003a5 2028 select MIPS_ASID_BITS_VARIABLE
4a5dc51e 2029 select MIPS_CRC_SUPPORT
a7e07b1a 2030 select MIPS_SPRAM
5e83d430 2031
a6e18781
LY
2032config EVA
2033 bool
2034
c5b36783
SH
2035config XPA
2036 bool
2037
5e83d430
RB
2038config SYS_SUPPORTS_32BIT_KERNEL
2039 bool
2040config SYS_SUPPORTS_64BIT_KERNEL
2041 bool
2042config CPU_SUPPORTS_32BIT_KERNEL
2043 bool
2044config CPU_SUPPORTS_64BIT_KERNEL
2045 bool
55045ff5
WZ
2046config CPU_SUPPORTS_CPUFREQ
2047 bool
2048config CPU_SUPPORTS_ADDRWINCFG
2049 bool
9cffd154
DD
2050config CPU_SUPPORTS_HUGEPAGES
2051 bool
22f1fdfd
WZ
2052config CPU_SUPPORTS_UNCACHED_ACCELERATED
2053 bool
82622284
DD
2054config MIPS_PGD_C0_CONTEXT
2055 bool
cebf8c0f 2056 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
5e83d430 2057
8192c9ea
DD
2058#
2059# Set to y for ptrace access to watch registers.
2060#
2061config HARDWARE_WATCHPOINTS
2062 bool
679eb637 2063 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
8192c9ea 2064
5e83d430
RB
2065menu "Kernel type"
2066
2067choice
5e83d430
RB
2068 prompt "Kernel code model"
2069 help
2070 You should only select this option if you have a workload that
2071 actually benefits from 64-bit processing or if your machine has
2072 large memory. You will only be presented a single option in this
2073 menu if your system does not support both 32-bit and 64-bit kernels.
2074
2075config 32BIT
2076 bool "32-bit kernel"
2077 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2078 select TRAD_SIGNALS
2079 help
2080 Select this option if you want to build a 32-bit kernel.
f17c4ca3 2081
5e83d430
RB
2082config 64BIT
2083 bool "64-bit kernel"
2084 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2085 help
2086 Select this option if you want to build a 64-bit kernel.
2087
2088endchoice
2089
2235a54d
SL
2090config KVM_GUEST
2091 bool "KVM Guest Kernel"
f2a5b1d7 2092 depends on BROKEN_ON_SMP
2235a54d 2093 help
caa1faa7
JH
2094 Select this option if building a guest kernel for KVM (Trap & Emulate)
2095 mode.
2235a54d 2096
eda3d33c
JH
2097config KVM_GUEST_TIMER_FREQ
2098 int "Count/Compare Timer Frequency (MHz)"
2235a54d 2099 depends on KVM_GUEST
eda3d33c 2100 default 100
2235a54d 2101 help
eda3d33c
JH
2102 Set this to non-zero if building a guest kernel for KVM to skip RTC
2103 emulation when determining guest CPU Frequency. Instead, the guest's
2104 timer frequency is specified directly.
2235a54d 2105
1e321fa9
LY
2106config MIPS_VA_BITS_48
2107 bool "48 bits virtual memory"
2108 depends on 64BIT
2109 help
3377e227
AB
2110 Support a maximum at least 48 bits of application virtual
2111 memory. Default is 40 bits or less, depending on the CPU.
2112 For page sizes 16k and above, this option results in a small
2113 memory overhead for page tables. For 4k page size, a fourth
2114 level of page tables is added which imposes both a memory
2115 overhead as well as slower TLB fault handling.
2116
1e321fa9
LY
2117 If unsure, say N.
2118
1da177e4
LT
2119choice
2120 prompt "Kernel page size"
2121 default PAGE_SIZE_4KB
2122
2123config PAGE_SIZE_4KB
2124 bool "4kB"
0e476d91 2125 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1da177e4
LT
2126 help
2127 This option select the standard 4kB Linux page size. On some
2128 R3000-family processors this is the only available page size. Using
2129 4kB page size will minimize memory consumption and is therefore
2130 recommended for low memory systems.
2131
2132config PAGE_SIZE_8KB
2133 bool "8kB"
7d60717e 2134 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1e321fa9 2135 depends on !MIPS_VA_BITS_48
1da177e4
LT
2136 help
2137 Using 8kB page size will result in higher performance kernel at
2138 the price of higher memory consumption. This option is available
c52399be
RB
2139 only on R8000 and cnMIPS processors. Note that you will need a
2140 suitable Linux distribution to support this.
1da177e4
LT
2141
2142config PAGE_SIZE_16KB
2143 bool "16kB"
714bfad6 2144 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2145 help
2146 Using 16kB page size will result in higher performance kernel at
2147 the price of higher memory consumption. This option is available on
714bfad6
RB
2148 all non-R3000 family processors. Note that you will need a suitable
2149 Linux distribution to support this.
1da177e4 2150
c52399be
RB
2151config PAGE_SIZE_32KB
2152 bool "32kB"
2153 depends on CPU_CAVIUM_OCTEON
1e321fa9 2154 depends on !MIPS_VA_BITS_48
c52399be
RB
2155 help
2156 Using 32kB page size will result in higher performance kernel at
2157 the price of higher memory consumption. This option is available
2158 only on cnMIPS cores. Note that you will need a suitable Linux
2159 distribution to support this.
2160
1da177e4
LT
2161config PAGE_SIZE_64KB
2162 bool "64kB"
3b2db173 2163 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2164 help
2165 Using 64kB page size will result in higher performance kernel at
2166 the price of higher memory consumption. This option is available on
2167 all non-R3000 family processor. Not that at the time of this
714bfad6 2168 writing this option is still high experimental.
1da177e4
LT
2169
2170endchoice
2171
c9bace7c
DD
2172config FORCE_MAX_ZONEORDER
2173 int "Maximum zone order"
e4362d1e
AS
2174 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2175 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2176 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2177 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2178 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2179 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
c9bace7c
DD
2180 range 11 64
2181 default "11"
2182 help
2183 The kernel memory allocator divides physically contiguous memory
2184 blocks into "zones", where each zone is a power of two number of
2185 pages. This option selects the largest power of two that the kernel
2186 keeps in the memory allocator. If you need to allocate very large
2187 blocks of physically contiguous memory, then you may need to
2188 increase this value.
2189
2190 This config option is actually maximum order plus one. For example,
2191 a value of 11 means that the largest free memory block is 2^10 pages.
2192
2193 The page size is not necessarily 4KB. Keep this in mind
2194 when choosing a value for this option.
2195
1da177e4
LT
2196config BOARD_SCACHE
2197 bool
2198
2199config IP22_CPU_SCACHE
2200 bool
2201 select BOARD_SCACHE
2202
9318c51a
CD
2203#
2204# Support for a MIPS32 / MIPS64 style S-caches
2205#
2206config MIPS_CPU_SCACHE
2207 bool
2208 select BOARD_SCACHE
2209
1da177e4
LT
2210config R5000_CPU_SCACHE
2211 bool
2212 select BOARD_SCACHE
2213
2214config RM7000_CPU_SCACHE
2215 bool
2216 select BOARD_SCACHE
2217
2218config SIBYTE_DMA_PAGEOPS
2219 bool "Use DMA to clear/copy pages"
2220 depends on CPU_SB1
2221 help
2222 Instead of using the CPU to zero and copy pages, use a Data Mover
2223 channel. These DMA channels are otherwise unused by the standard
2224 SiByte Linux port. Seems to give a small performance benefit.
2225
2226config CPU_HAS_PREFETCH
c8094b53 2227 bool
1da177e4 2228
3165c846
FF
2229config CPU_GENERIC_DUMP_TLB
2230 bool
3b2db173 2231 default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
3165c846 2232
91405eb6
FF
2233config CPU_R4K_FPU
2234 bool
a2aea699 2235 default y if !(CPU_R3000 || CPU_TX39XX)
91405eb6 2236
62cedc4f
FF
2237config CPU_R4K_CACHE_TLB
2238 bool
2239 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2240
59d6ab86 2241config MIPS_MT_SMP
a92b7f87 2242 bool "MIPS MT SMP support (1 TC on each available VPE)"
5cbf9688 2243 default y
527f1028 2244 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
f7062ddb 2245 select CPU_MIPSR2_IRQ_VI
d725cf38 2246 select CPU_MIPSR2_IRQ_EI
c080faa5 2247 select SYNC_R4K
f41ae0b2 2248 select MIPS_MT
41c594ab 2249 select SMP
87353d8a 2250 select SMP_UP
c080faa5
SH
2251 select SYS_SUPPORTS_SMP
2252 select SYS_SUPPORTS_SCHED_SMT
399aaa25 2253 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 2254 help
c080faa5
SH
2255 This is a kernel model which is known as SMVP. This is supported
2256 on cores with the MT ASE and uses the available VPEs to implement
2257 virtual processors which supports SMP. This is equivalent to the
2258 Intel Hyperthreading feature. For further information go to
2259 <http://www.imgtec.com/mips/mips-multithreading.asp>.
41c594ab 2260
f41ae0b2
RB
2261config MIPS_MT
2262 bool
2263
0ab7aefc
RB
2264config SCHED_SMT
2265 bool "SMT (multithreading) scheduler support"
2266 depends on SYS_SUPPORTS_SCHED_SMT
2267 default n
2268 help
2269 SMT scheduler support improves the CPU scheduler's decision making
2270 when dealing with MIPS MT enabled cores at a cost of slightly
2271 increased overhead in some places. If unsure say N here.
2272
2273config SYS_SUPPORTS_SCHED_SMT
2274 bool
2275
f41ae0b2
RB
2276config SYS_SUPPORTS_MULTITHREADING
2277 bool
2278
f088fc84
RB
2279config MIPS_MT_FPAFF
2280 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 2281 default y
b633648c 2282 depends on MIPS_MT_SMP
07cc0c9e 2283
b0a668fb
LY
2284config MIPSR2_TO_R6_EMULATOR
2285 bool "MIPS R2-to-R6 emulator"
9eaa9a82 2286 depends on CPU_MIPSR6
b0a668fb
LY
2287 default y
2288 help
2289 Choose this option if you want to run non-R6 MIPS userland code.
2290 Even if you say 'Y' here, the emulator will still be disabled by
07edf0d4 2291 default. You can enable it using the 'mipsr2emu' kernel option.
b0a668fb
LY
2292 The only reason this is a build-time option is to save ~14K from the
2293 final kernel image.
b0a668fb 2294
f35764e7
JH
2295config SYS_SUPPORTS_VPE_LOADER
2296 bool
2297 depends on SYS_SUPPORTS_MULTITHREADING
2298 help
2299 Indicates that the platform supports the VPE loader, and provides
2300 physical_memsize.
2301
07cc0c9e
RB
2302config MIPS_VPE_LOADER
2303 bool "VPE loader support."
f35764e7 2304 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
07cc0c9e
RB
2305 select CPU_MIPSR2_IRQ_VI
2306 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
2307 select MIPS_MT
2308 help
2309 Includes a loader for loading an elf relocatable object
2310 onto another VPE and running it.
f088fc84 2311
17a1d523
DCZ
2312config MIPS_VPE_LOADER_CMP
2313 bool
2314 default "y"
2315 depends on MIPS_VPE_LOADER && MIPS_CMP
2316
1a2a6d7e
DCZ
2317config MIPS_VPE_LOADER_MT
2318 bool
2319 default "y"
2320 depends on MIPS_VPE_LOADER && !MIPS_CMP
2321
e01402b1
RB
2322config MIPS_VPE_LOADER_TOM
2323 bool "Load VPE program into memory hidden from linux"
2324 depends on MIPS_VPE_LOADER
2325 default y
2326 help
2327 The loader can use memory that is present but has been hidden from
2328 Linux using the kernel command line option "mem=xxMB". It's up to
2329 you to ensure the amount you put in the option and the space your
2330 program requires is less or equal to the amount physically present.
2331
e01402b1 2332config MIPS_VPE_APSP_API
5e83d430
RB
2333 bool "Enable support for AP/SP API (RTLX)"
2334 depends on MIPS_VPE_LOADER
e01402b1 2335
da615cf6
DCZ
2336config MIPS_VPE_APSP_API_CMP
2337 bool
2338 default "y"
2339 depends on MIPS_VPE_APSP_API && MIPS_CMP
2340
2c973ef0
DCZ
2341config MIPS_VPE_APSP_API_MT
2342 bool
2343 default "y"
2344 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2345
4a16ff4c 2346config MIPS_CMP
5cac93b3 2347 bool "MIPS CMP framework support (DEPRECATED)"
5676319c 2348 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
b10b43ba 2349 select SMP
eb9b5141 2350 select SYNC_R4K
b10b43ba 2351 select SYS_SUPPORTS_SMP
4a16ff4c
RB
2352 select WEAK_ORDERING
2353 default n
2354 help
044505c7
PB
2355 Select this if you are using a bootloader which implements the "CMP
2356 framework" protocol (ie. YAMON) and want your kernel to make use of
2357 its ability to start secondary CPUs.
4a16ff4c 2358
5cac93b3
PB
2359 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2360 instead of this.
2361
0ee958e1
PB
2362config MIPS_CPS
2363 bool "MIPS Coherent Processing System support"
5a3e7c02 2364 depends on SYS_SUPPORTS_MIPS_CPS
0ee958e1 2365 select MIPS_CM
1d8f1f5a 2366 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2367 select SMP
2368 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2369 select SYS_SUPPORTS_HOTPLUG_CPU
c8b7712c 2370 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
0ee958e1
PB
2371 select SYS_SUPPORTS_SMP
2372 select WEAK_ORDERING
2373 help
2374 Select this if you wish to run an SMP kernel across multiple cores
2375 within a MIPS Coherent Processing System. When this option is
2376 enabled the kernel will probe for other cores and boot them with
2377 no external assistance. It is safe to enable this when hardware
2378 support is unavailable.
2379
3179d37e 2380config MIPS_CPS_PM
39a59593 2381 depends on MIPS_CPS
3179d37e
PB
2382 bool
2383
9f98f3dd
PB
2384config MIPS_CM
2385 bool
3c9b4166 2386 select MIPS_CPC
9f98f3dd 2387
9c38cf44
PB
2388config MIPS_CPC
2389 bool
4a16ff4c 2390
1da177e4
LT
2391config SB1_PASS_2_WORKAROUNDS
2392 bool
2393 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2394 default y
2395
2396config SB1_PASS_2_1_WORKAROUNDS
2397 bool
2398 depends on CPU_SB1 && CPU_SB1_PASS_2
2399 default y
2400
2235a54d 2401
9e2b5372
MC
2402choice
2403 prompt "SmartMIPS or microMIPS ASE support"
2404
2405config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2406 bool "None"
2407 help
2408 Select this if you want neither microMIPS nor SmartMIPS support
2409
9693a853
FBH
2410config CPU_HAS_SMARTMIPS
2411 depends on SYS_SUPPORTS_SMARTMIPS
9e2b5372 2412 bool "SmartMIPS"
9693a853
FBH
2413 help
2414 SmartMIPS is a extension of the MIPS32 architecture aimed at
2415 increased security at both hardware and software level for
2416 smartcards. Enabling this option will allow proper use of the
2417 SmartMIPS instructions by Linux applications. However a kernel with
2418 this option will not work on a MIPS core without SmartMIPS core. If
2419 you don't know you probably don't have SmartMIPS and should say N
2420 here.
2421
bce86083 2422config CPU_MICROMIPS
7fd08ca5 2423 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
9e2b5372 2424 bool "microMIPS"
bce86083
SH
2425 help
2426 When this option is enabled the kernel will be built using the
2427 microMIPS ISA
2428
9e2b5372
MC
2429endchoice
2430
a5e9a69e 2431config CPU_HAS_MSA
0ce3417e 2432 bool "Support for the MIPS SIMD Architecture"
a5e9a69e 2433 depends on CPU_SUPPORTS_MSA
2a6cb669 2434 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2435 help
2436 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2437 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2438 is enabled the kernel will support allocating & switching MSA
2439 vector register contexts. If you know that your kernel will only be
2440 running on CPUs which do not support MSA or that your userland will
2441 not be making use of it then you may wish to say N here to reduce
2442 the size & complexity of your kernel.
a5e9a69e
PB
2443
2444 If unsure, say Y.
2445
1da177e4 2446config CPU_HAS_WB
f7062ddb 2447 bool
e01402b1 2448
df0ac8a4
KC
2449config XKS01
2450 bool
2451
8256b17e
FF
2452config CPU_HAS_RIXI
2453 bool
2454
f41ae0b2
RB
2455#
2456# Vectored interrupt mode is an R2 feature
2457#
e01402b1 2458config CPU_MIPSR2_IRQ_VI
f41ae0b2 2459 bool
e01402b1 2460
f41ae0b2
RB
2461#
2462# Extended interrupt mode is an R2 feature
2463#
e01402b1 2464config CPU_MIPSR2_IRQ_EI
f41ae0b2 2465 bool
e01402b1 2466
1da177e4
LT
2467config CPU_HAS_SYNC
2468 bool
2469 depends on !CPU_R3000
2470 default y
2471
20d60d99
MR
2472#
2473# CPU non-features
2474#
2475config CPU_DADDI_WORKAROUNDS
2476 bool
2477
2478config CPU_R4000_WORKAROUNDS
2479 bool
2480 select CPU_R4400_WORKAROUNDS
2481
2482config CPU_R4400_WORKAROUNDS
2483 bool
2484
4edf00a4
PB
2485config MIPS_ASID_SHIFT
2486 int
2487 default 6 if CPU_R3000 || CPU_TX39XX
2488 default 4 if CPU_R8000
2489 default 0
2490
2491config MIPS_ASID_BITS
2492 int
2db003a5 2493 default 0 if MIPS_ASID_BITS_VARIABLE
4edf00a4
PB
2494 default 6 if CPU_R3000 || CPU_TX39XX
2495 default 8
2496
2db003a5
PB
2497config MIPS_ASID_BITS_VARIABLE
2498 bool
2499
4a5dc51e
MN
2500config MIPS_CRC_SUPPORT
2501 bool
2502
1da177e4
LT
2503#
2504# - Highmem only makes sense for the 32-bit kernel.
2505# - The current highmem code will only work properly on physically indexed
2506# caches such as R3000, SB1, R7000 or those that look like they're virtually
2507# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2508# moment we protect the user and offer the highmem option only on machines
2509# where it's known to be safe. This will not offer highmem on a few systems
2510# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2511# indexed CPUs but we're playing safe.
797798c1
RB
2512# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2513# know they might have memory configurations that could make use of highmem
2514# support.
1da177e4
LT
2515#
2516config HIGHMEM
2517 bool "High Memory Support"
a6e18781 2518 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2519
2520config CPU_SUPPORTS_HIGHMEM
2521 bool
2522
2523config SYS_SUPPORTS_HIGHMEM
2524 bool
1da177e4 2525
9693a853
FBH
2526config SYS_SUPPORTS_SMARTMIPS
2527 bool
2528
a6a4834c
SH
2529config SYS_SUPPORTS_MICROMIPS
2530 bool
2531
377cb1b6
RB
2532config SYS_SUPPORTS_MIPS16
2533 bool
2534 help
2535 This option must be set if a kernel might be executed on a MIPS16-
2536 enabled CPU even if MIPS16 is not actually being used. In other
2537 words, it makes the kernel MIPS16-tolerant.
2538
a5e9a69e
PB
2539config CPU_SUPPORTS_MSA
2540 bool
2541
b4819b59
YY
2542config ARCH_FLATMEM_ENABLE
2543 def_bool y
f133f22d 2544 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2545
d8cb4e11
RB
2546config ARCH_DISCONTIGMEM_ENABLE
2547 bool
2548 default y if SGI_IP27
2549 help
3dde6ad8 2550 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2551 for architectures which are either NUMA (Non-Uniform Memory Access)
2552 or have huge holes in the physical address space for other reasons.
ad56b738 2553 See <file:Documentation/vm/numa.rst> for more.
d8cb4e11 2554
31473747
AN
2555config ARCH_SPARSEMEM_ENABLE
2556 bool
7de58fab 2557 select SPARSEMEM_STATIC
31473747 2558
d8cb4e11
RB
2559config NUMA
2560 bool "NUMA Support"
2561 depends on SYS_SUPPORTS_NUMA
2562 help
2563 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2564 Access). This option improves performance on systems with more
2565 than two nodes; on two node systems it is generally better to
2566 leave it disabled; on single node systems disable this option
2567 disabled.
2568
2569config SYS_SUPPORTS_NUMA
2570 bool
2571
8c530ea3
MR
2572config RELOCATABLE
2573 bool "Relocatable kernel"
3ff72be4 2574 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
8c530ea3
MR
2575 help
2576 This builds a kernel image that retains relocation information
2577 so it can be loaded someplace besides the default 1MB.
2578 The relocations make the kernel binary about 15% larger,
2579 but are discarded at runtime
2580
069fd766
MR
2581config RELOCATION_TABLE_SIZE
2582 hex "Relocation table size"
2583 depends on RELOCATABLE
2584 range 0x0 0x01000000
2585 default "0x00100000"
2586 ---help---
2587 A table of relocation data will be appended to the kernel binary
2588 and parsed at boot to fix up the relocated kernel.
2589
2590 This option allows the amount of space reserved for the table to be
2591 adjusted, although the default of 1Mb should be ok in most cases.
2592
2593 The build will fail and a valid size suggested if this is too small.
2594
2595 If unsure, leave at the default value.
2596
405bc8fd
MR
2597config RANDOMIZE_BASE
2598 bool "Randomize the address of the kernel image"
2599 depends on RELOCATABLE
2600 ---help---
2601 Randomizes the physical and virtual address at which the
2602 kernel image is loaded, as a security feature that
2603 deters exploit attempts relying on knowledge of the location
2604 of kernel internals.
2605
2606 Entropy is generated using any coprocessor 0 registers available.
2607
2608 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2609
2610 If unsure, say N.
2611
2612config RANDOMIZE_BASE_MAX_OFFSET
2613 hex "Maximum kASLR offset" if EXPERT
2614 depends on RANDOMIZE_BASE
2615 range 0x0 0x40000000 if EVA || 64BIT
2616 range 0x0 0x08000000
2617 default "0x01000000"
2618 ---help---
2619 When kASLR is active, this provides the maximum offset that will
2620 be applied to the kernel image. It should be set according to the
2621 amount of physical RAM available in the target system minus
2622 PHYSICAL_START and must be a power of 2.
2623
2624 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2625 EVA or 64-bit. The default is 16Mb.
2626
c80d79d7
YG
2627config NODES_SHIFT
2628 int
2629 default "6"
2630 depends on NEED_MULTIPLE_NODES
2631
14f70012
DCZ
2632config HW_PERF_EVENTS
2633 bool "Enable hardware performance counter support for perf events"
23021b2b 2634 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
14f70012
DCZ
2635 default y
2636 help
2637 Enable hardware performance counter support for perf events. If
2638 disabled, perf events will use software events only.
2639
1da177e4
LT
2640config SMP
2641 bool "Multi-Processing support"
e73ea273
RB
2642 depends on SYS_SUPPORTS_SMP
2643 help
1da177e4 2644 This enables support for systems with more than one CPU. If you have
4a474157
RG
2645 a system with only one CPU, say N. If you have a system with more
2646 than one CPU, say Y.
1da177e4 2647
4a474157 2648 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2649 machines, but will use only one CPU of a multiprocessor machine. If
2650 you say Y here, the kernel will run on many, but not all,
4a474157 2651 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2652 will run faster if you say N here.
2653
2654 People using multiprocessor machines who say Y here should also say
2655 Y to "Enhanced Real Time Clock Support", below.
2656
03502faa
AB
2657 See also the SMP-HOWTO available at
2658 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2659
2660 If you don't know what to do here, say N.
2661
7840d618
MR
2662config HOTPLUG_CPU
2663 bool "Support for hot-pluggable CPUs"
2664 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2665 help
2666 Say Y here to allow turning CPUs off and on. CPUs can be
2667 controlled through /sys/devices/system/cpu.
2668 (Note: power management support will enable this option
2669 automatically on SMP systems. )
2670 Say N if you want to disable CPU hotplug.
2671
87353d8a
RB
2672config SMP_UP
2673 bool
2674
4a16ff4c
RB
2675config SYS_SUPPORTS_MIPS_CMP
2676 bool
2677
0ee958e1
PB
2678config SYS_SUPPORTS_MIPS_CPS
2679 bool
2680
e73ea273
RB
2681config SYS_SUPPORTS_SMP
2682 bool
2683
130e2fb7
RB
2684config NR_CPUS_DEFAULT_4
2685 bool
2686
2687config NR_CPUS_DEFAULT_8
2688 bool
2689
2690config NR_CPUS_DEFAULT_16
2691 bool
2692
2693config NR_CPUS_DEFAULT_32
2694 bool
2695
2696config NR_CPUS_DEFAULT_64
2697 bool
2698
1da177e4 2699config NR_CPUS
a91796a9
J
2700 int "Maximum number of CPUs (2-256)"
2701 range 2 256
1da177e4 2702 depends on SMP
130e2fb7
RB
2703 default "4" if NR_CPUS_DEFAULT_4
2704 default "8" if NR_CPUS_DEFAULT_8
2705 default "16" if NR_CPUS_DEFAULT_16
2706 default "32" if NR_CPUS_DEFAULT_32
2707 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2708 help
2709 This allows you to specify the maximum number of CPUs which this
2710 kernel will support. The maximum supported value is 32 for 32-bit
2711 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2712 sense is 1 for Qemu (useful only for kernel debugging purposes)
2713 and 2 for all others.
1da177e4
LT
2714
2715 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2716 approximately eight kilobytes to the kernel image. For best
2717 performance should round up your number of processors to the next
2718 power of two.
1da177e4 2719
399aaa25
AC
2720config MIPS_PERF_SHARED_TC_COUNTERS
2721 bool
7820b84b
DD
2722
2723config MIPS_NR_CPU_NR_MAP_1024
2724 bool
2725
2726config MIPS_NR_CPU_NR_MAP
2727 int
2728 depends on SMP
2729 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2730 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
399aaa25 2731
1723b4a3
AN
2732#
2733# Timer Interrupt Frequency Configuration
2734#
2735
2736choice
2737 prompt "Timer frequency"
2738 default HZ_250
2739 help
2740 Allows the configuration of the timer frequency.
2741
67596573
PB
2742 config HZ_24
2743 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2744
1723b4a3 2745 config HZ_48
0f873585 2746 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2747
2748 config HZ_100
2749 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2750
2751 config HZ_128
2752 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2753
2754 config HZ_250
2755 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2756
2757 config HZ_256
2758 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2759
2760 config HZ_1000
2761 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2762
2763 config HZ_1024
2764 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2765
2766endchoice
2767
67596573
PB
2768config SYS_SUPPORTS_24HZ
2769 bool
2770
1723b4a3
AN
2771config SYS_SUPPORTS_48HZ
2772 bool
2773
2774config SYS_SUPPORTS_100HZ
2775 bool
2776
2777config SYS_SUPPORTS_128HZ
2778 bool
2779
2780config SYS_SUPPORTS_250HZ
2781 bool
2782
2783config SYS_SUPPORTS_256HZ
2784 bool
2785
2786config SYS_SUPPORTS_1000HZ
2787 bool
2788
2789config SYS_SUPPORTS_1024HZ
2790 bool
2791
2792config SYS_SUPPORTS_ARBIT_HZ
2793 bool
67596573
PB
2794 default y if !SYS_SUPPORTS_24HZ && \
2795 !SYS_SUPPORTS_48HZ && \
2796 !SYS_SUPPORTS_100HZ && \
2797 !SYS_SUPPORTS_128HZ && \
2798 !SYS_SUPPORTS_250HZ && \
2799 !SYS_SUPPORTS_256HZ && \
2800 !SYS_SUPPORTS_1000HZ && \
1723b4a3
AN
2801 !SYS_SUPPORTS_1024HZ
2802
2803config HZ
2804 int
67596573 2805 default 24 if HZ_24
1723b4a3
AN
2806 default 48 if HZ_48
2807 default 100 if HZ_100
2808 default 128 if HZ_128
2809 default 250 if HZ_250
2810 default 256 if HZ_256
2811 default 1000 if HZ_1000
2812 default 1024 if HZ_1024
2813
96685b17
DCZ
2814config SCHED_HRTICK
2815 def_bool HIGH_RES_TIMERS
2816
ea6e942b 2817config KEXEC
7d60717e 2818 bool "Kexec system call"
2965faa5 2819 select KEXEC_CORE
ea6e942b
AN
2820 help
2821 kexec is a system call that implements the ability to shutdown your
2822 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2823 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2824 you can start any kernel with it, not just Linux.
2825
01dd2fbf 2826 The name comes from the similarity to the exec system call.
ea6e942b
AN
2827
2828 It is an ongoing process to be certain the hardware in a machine
2829 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2830 initially work for you. As of this writing the exact hardware
2831 interface is strongly in flux, so no good recommendation can be
2832 made.
ea6e942b 2833
7aa1c8f4 2834config CRASH_DUMP
bff323d5
MN
2835 bool "Kernel crash dumps"
2836 help
7aa1c8f4
RB
2837 Generate crash dump after being started by kexec.
2838 This should be normally only set in special crash dump kernels
2839 which are loaded in the main kernel with kexec-tools into
2840 a specially reserved region and then later executed after
2841 a crash by kdump/kexec. The crash dump kernel must be compiled
2842 to a memory address not used by the main kernel or firmware using
2843 PHYSICAL_START.
2844
2845config PHYSICAL_START
bff323d5 2846 hex "Physical address where the kernel is loaded"
8bda3e26 2847 default "0xffffffff84000000"
bff323d5
MN
2848 depends on CRASH_DUMP
2849 help
7aa1c8f4
RB
2850 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2851 If you plan to use kernel for capturing the crash dump change
2852 this value to start of the reserved region (the "X" value as
2853 specified in the "crashkernel=YM@XM" command line boot parameter
2854 passed to the panic-ed kernel).
2855
ea6e942b
AN
2856config SECCOMP
2857 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2858 depends on PROC_FS
ea6e942b
AN
2859 default y
2860 help
2861 This kernel feature is useful for number crunching applications
2862 that may need to compute untrusted bytecode during their
2863 execution. By using pipes or other transports made available to
2864 the process as file descriptors supporting the read/write
2865 syscalls, it's possible to isolate those applications in
2866 their own address space using seccomp. Once seccomp is
2867 enabled via /proc/<pid>/seccomp, it cannot be disabled
2868 and the task is only allowed to execute a few safe syscalls
2869 defined by each seccomp mode.
2870
2871 If unsure, say Y. Only embedded should say N here.
2872
597ce172 2873config MIPS_O32_FP64_SUPPORT
0ce3417e 2874 bool "Support for O32 binaries using 64-bit FP"
597ce172 2875 depends on 32BIT || MIPS32_O32
597ce172
PB
2876 help
2877 When this is enabled, the kernel will support use of 64-bit floating
2878 point registers with binaries using the O32 ABI along with the
2879 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2880 32-bit MIPS systems this support is at the cost of increasing the
2881 size and complexity of the compiled FPU emulator. Thus if you are
2882 running a MIPS32 system and know that none of your userland binaries
2883 will require 64-bit floating point, you may wish to reduce the size
2884 of your kernel & potentially improve FP emulation performance by
2885 saying N here.
2886
06e2e882
PB
2887 Although binutils currently supports use of this flag the details
2888 concerning its effect upon the O32 ABI in userland are still being
2889 worked on. In order to avoid userland becoming dependant upon current
2890 behaviour before the details have been finalised, this option should
2891 be considered experimental and only enabled by those working upon
2892 said details.
2893
2894 If unsure, say N.
597ce172 2895
f2ffa5ab 2896config USE_OF
0b3e06fd 2897 bool
f2ffa5ab 2898 select OF
e6ce1324 2899 select OF_EARLY_FLATTREE
abd2363f 2900 select IRQ_DOMAIN
f2ffa5ab 2901
7fafb068
AB
2902config BUILTIN_DTB
2903 bool
2904
1da8f179 2905choice
5b24d52c 2906 prompt "Kernel appended dtb support" if USE_OF
1da8f179
JG
2907 default MIPS_NO_APPENDED_DTB
2908
2909 config MIPS_NO_APPENDED_DTB
2910 bool "None"
2911 help
2912 Do not enable appended dtb support.
2913
87db537d
AK
2914 config MIPS_ELF_APPENDED_DTB
2915 bool "vmlinux"
2916 help
2917 With this option, the boot code will look for a device tree binary
2918 DTB) included in the vmlinux ELF section .appended_dtb. By default
2919 it is empty and the DTB can be appended using binutils command
2920 objcopy:
2921
2922 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2923
2924 This is meant as a backward compatiblity convenience for those
2925 systems with a bootloader that can't be upgraded to accommodate
2926 the documented boot protocol using a device tree.
2927
1da8f179 2928 config MIPS_RAW_APPENDED_DTB
b8f54f2c 2929 bool "vmlinux.bin or vmlinuz.bin"
1da8f179
JG
2930 help
2931 With this option, the boot code will look for a device tree binary
b8f54f2c 2932 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
1da8f179
JG
2933 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2934
2935 This is meant as a backward compatibility convenience for those
2936 systems with a bootloader that can't be upgraded to accommodate
2937 the documented boot protocol using a device tree.
2938
2939 Beware that there is very little in terms of protection against
2940 this option being confused by leftover garbage in memory that might
2941 look like a DTB header after a reboot if no actual DTB is appended
2942 to vmlinux.bin. Do not leave this option active in a production kernel
2943 if you don't intend to always append a DTB.
2944endchoice
2945
2024972e
JG
2946choice
2947 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2bcef9b4 2948 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3f5f0a44 2949 !MIPS_MALTA && \
2bcef9b4 2950 !CAVIUM_OCTEON_SOC
2024972e
JG
2951 default MIPS_CMDLINE_FROM_BOOTLOADER
2952
2953 config MIPS_CMDLINE_FROM_DTB
2954 depends on USE_OF
2955 bool "Dtb kernel arguments if available"
2956
2957 config MIPS_CMDLINE_DTB_EXTEND
2958 depends on USE_OF
2959 bool "Extend dtb kernel arguments with bootloader arguments"
2960
2961 config MIPS_CMDLINE_FROM_BOOTLOADER
2962 bool "Bootloader kernel arguments if available"
ed47e153
RV
2963
2964 config MIPS_CMDLINE_BUILTIN_EXTEND
2965 depends on CMDLINE_BOOL
2966 bool "Extend builtin kernel arguments with bootloader arguments"
2024972e
JG
2967endchoice
2968
5e83d430
RB
2969endmenu
2970
1df0f0ff
AN
2971config LOCKDEP_SUPPORT
2972 bool
2973 default y
2974
2975config STACKTRACE_SUPPORT
2976 bool
2977 default y
2978
e1e16115
AK
2979config HAVE_LATENCYTOP_SUPPORT
2980 bool
2981 default y
2982
a728ab52
KS
2983config PGTABLE_LEVELS
2984 int
3377e227 2985 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
a728ab52
KS
2986 default 3 if 64BIT && !PAGE_SIZE_64KB
2987 default 2
2988
6c359eb1
PB
2989config MIPS_AUTO_PFN_OFFSET
2990 bool
2991
1da177e4
LT
2992menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
2993
5e83d430
RB
2994config HW_HAS_EISA
2995 bool
1da177e4
LT
2996config HW_HAS_PCI
2997 bool
2998
2999config PCI
3000 bool "Support for PCI controller"
3001 depends on HW_HAS_PCI
abb4ae46 3002 select PCI_DOMAINS
1da177e4
LT
3003 help
3004 Find out whether you have a PCI motherboard. PCI is the name of a
3005 bus system, i.e. the way the CPU talks to the other stuff inside
3006 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3007 say Y, otherwise N.
3008
0e476d91
HC
3009config HT_PCI
3010 bool "Support for HT-linked PCI"
3011 default y
3012 depends on CPU_LOONGSON3
3013 select PCI
3014 select PCI_DOMAINS
3015 help
3016 Loongson family machines use Hyper-Transport bus for inter-core
3017 connection and device connection. The PCI bus is a subordinate
3018 linked at HT. Choose Y for Loongson-3 based machines.
3019
1da177e4
LT
3020config PCI_DOMAINS
3021 bool
1da177e4 3022
88555b48
PB
3023config PCI_DOMAINS_GENERIC
3024 bool
3025
c5611df9 3026config PCI_DRIVERS_GENERIC
87dd9a4d 3027 select PCI_DOMAINS_GENERIC if PCI_DOMAINS
c5611df9
PB
3028 bool
3029
3030config PCI_DRIVERS_LEGACY
3031 def_bool !PCI_DRIVERS_GENERIC
3032 select NO_GENERIC_PCI_IOPORT_MAP
3033
1da177e4
LT
3034source "drivers/pci/Kconfig"
3035
3036#
3037# ISA support is now enabled via select. Too many systems still have the one
3038# or other ISA chip on the board that users don't know about so don't expect
3039# users to choose the right thing ...
3040#
3041config ISA
3042 bool
3043
3044config EISA
3045 bool "EISA support"
5e83d430 3046 depends on HW_HAS_EISA
1da177e4 3047 select ISA
aa414dff 3048 select GENERIC_ISA_DMA
1da177e4
LT
3049 ---help---
3050 The Extended Industry Standard Architecture (EISA) bus was
3051 developed as an open alternative to the IBM MicroChannel bus.
3052
3053 The EISA bus provided some of the features of the IBM MicroChannel
3054 bus while maintaining backward compatibility with cards made for
3055 the older ISA bus. The EISA bus saw limited use between 1988 and
3056 1995 when it was made obsolete by the PCI bus.
3057
3058 Say Y here if you are building a kernel for an EISA-based machine.
3059
3060 Otherwise, say N.
3061
3062source "drivers/eisa/Kconfig"
3063
3064config TC
3065 bool "TURBOchannel support"
3066 depends on MACH_DECSTATION
3067 help
50a23e6e
JM
3068 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3069 processors. TURBOchannel programming specifications are available
3070 at:
3071 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3072 and:
3073 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3074 Linux driver support status is documented at:
3075 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 3076
1da177e4
LT
3077config MMU
3078 bool
3079 default y
3080
109c32ff
MR
3081config ARCH_MMAP_RND_BITS_MIN
3082 default 12 if 64BIT
3083 default 8
3084
3085config ARCH_MMAP_RND_BITS_MAX
3086 default 18 if 64BIT
3087 default 15
3088
3089config ARCH_MMAP_RND_COMPAT_BITS_MIN
3090 default 8
3091
3092config ARCH_MMAP_RND_COMPAT_BITS_MAX
3093 default 15
3094
d865bea4
RB
3095config I8253
3096 bool
798778b8 3097 select CLKSRC_I8253
2d02612f 3098 select CLKEVT_I8253
9726b43a 3099 select MIPS_EXTERNAL_TIMER
d865bea4 3100
e05eb3f8
RB
3101config ZONE_DMA
3102 bool
3103
cce335ae
RB
3104config ZONE_DMA32
3105 bool
3106
1da177e4
LT
3107source "drivers/pcmcia/Kconfig"
3108
fc5d9888
AS
3109config HAS_RAPIDIO
3110 bool
3111 default n
3112
388b78ad 3113config RAPIDIO
56abde72 3114 tristate "RapidIO support"
fc5d9888 3115 depends on HAS_RAPIDIO || PCI
388b78ad
AB
3116 help
3117 If you say Y here, the kernel will include drivers and
3118 infrastructure code to support RapidIO interconnect devices.
3119
3120source "drivers/rapidio/Kconfig"
3121
1da177e4
LT
3122endmenu
3123
1da177e4
LT
3124config TRAD_SIGNALS
3125 bool
1da177e4 3126
1da177e4 3127config MIPS32_COMPAT
78aaf956 3128 bool
1da177e4
LT
3129
3130config COMPAT
3131 bool
1da177e4 3132
05e43966
AN
3133config SYSVIPC_COMPAT
3134 bool
05e43966 3135
1da177e4
LT
3136config MIPS32_O32
3137 bool "Kernel support for o32 binaries"
78aaf956
RB
3138 depends on 64BIT
3139 select ARCH_WANT_OLD_COMPAT_IPC
3140 select COMPAT
3141 select MIPS32_COMPAT
3142 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3143 help
3144 Select this option if you want to run o32 binaries. These are pure
3145 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3146 existing binaries are in this format.
3147
3148 If unsure, say Y.
3149
3150config MIPS32_N32
3151 bool "Kernel support for n32 binaries"
c22eacfe 3152 depends on 64BIT
78aaf956
RB
3153 select COMPAT
3154 select MIPS32_COMPAT
3155 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3156 help
3157 Select this option if you want to run n32 binaries. These are
3158 64-bit binaries using 32-bit quantities for addressing and certain
3159 data that would normally be 64-bit. They are used in special
3160 cases.
3161
3162 If unsure, say N.
3163
3164config BINFMT_ELF32
3165 bool
3166 default y if MIPS32_O32 || MIPS32_N32
f43edca7 3167 select ELFCORE
1da177e4 3168
2116245e
RB
3169menu "Power management options"
3170
363c55ca
WZ
3171config ARCH_HIBERNATION_POSSIBLE
3172 def_bool y
3f5b3e17 3173 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 3174
f4cb5700
JB
3175config ARCH_SUSPEND_POSSIBLE
3176 def_bool y
3f5b3e17 3177 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 3178
2116245e 3179source "kernel/power/Kconfig"
952fa954 3180
1da177e4
LT
3181endmenu
3182
7a998935
VK
3183config MIPS_EXTERNAL_TIMER
3184 bool
3185
7a998935 3186menu "CPU Power Management"
c095ebaf
PB
3187
3188if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 3189source "drivers/cpufreq/Kconfig"
7a998935 3190endif
9726b43a 3191
c095ebaf
PB
3192source "drivers/cpuidle/Kconfig"
3193
3194endmenu
3195
98cdee0e
RB
3196source "drivers/firmware/Kconfig"
3197
2235a54d 3198source "arch/mips/kvm/Kconfig"