mm: remove CONFIG_NO_BOOTMEM
[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
05a0a344 78 select RTC_LIB
d79d853d 79 select SYSCTL_EXCEPTION_TRACE
12597988 80 select VIRT_TO_BUS
1da177e4 81
1da177e4
LT
82menu "Machine selection"
83
5e83d430
RB
84choice
85 prompt "System type"
d41e6858 86 default MIPS_GENERIC
1da177e4 87
eed0eabd
PB
88config MIPS_GENERIC
89 bool "Generic board-agnostic MIPS kernel"
90 select BOOT_RAW
91 select BUILTIN_DTB
92 select CEVT_R4K
93 select CLKSRC_MIPS_GIC
94 select COMMON_CLK
95 select CPU_MIPSR2_IRQ_VI
96 select CPU_MIPSR2_IRQ_EI
97 select CSRC_R4K
98 select DMA_PERDEV_COHERENT
99 select HW_HAS_PCI
100 select IRQ_MIPS_CPU
101 select LIBFDT
0211d49e 102 select MIPS_AUTO_PFN_OFFSET
eed0eabd
PB
103 select MIPS_CPU_SCACHE
104 select MIPS_GIC
105 select MIPS_L1_CACHE_SHIFT_7
106 select NO_EXCEPT_FILL
107 select PCI_DRIVERS_GENERIC
108 select PINCTRL
109 select SMP_UP if SMP
a3078e59 110 select SWAP_IO_SPACE
eed0eabd
PB
111 select SYS_HAS_CPU_MIPS32_R1
112 select SYS_HAS_CPU_MIPS32_R2
113 select SYS_HAS_CPU_MIPS32_R6
114 select SYS_HAS_CPU_MIPS64_R1
115 select SYS_HAS_CPU_MIPS64_R2
116 select SYS_HAS_CPU_MIPS64_R6
117 select SYS_SUPPORTS_32BIT_KERNEL
118 select SYS_SUPPORTS_64BIT_KERNEL
119 select SYS_SUPPORTS_BIG_ENDIAN
120 select SYS_SUPPORTS_HIGHMEM
121 select SYS_SUPPORTS_LITTLE_ENDIAN
122 select SYS_SUPPORTS_MICROMIPS
123 select SYS_SUPPORTS_MIPS_CPS
124 select SYS_SUPPORTS_MIPS16
125 select SYS_SUPPORTS_MULTITHREADING
126 select SYS_SUPPORTS_RELOCATABLE
127 select SYS_SUPPORTS_SMARTMIPS
2e6522c5
CL
128 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
129 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
130 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
131 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
132 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
133 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
eed0eabd 134 select USE_OF
2fe8ea39 135 select UHI_BOOT
eed0eabd
PB
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 1109config DMA_MAYBE_COHERENT
f3ecc0ff 1110 select ARCH_HAS_DMA_COHERENCE_H
885014bc
FF
1111 select DMA_NONCOHERENT
1112 bool
1113
20d33064
PB
1114config DMA_PERDEV_COHERENT
1115 bool
5748e1b3 1116 select DMA_NONCOHERENT
20d33064 1117
4ce588cd
RB
1118config DMA_NONCOHERENT
1119 bool
58b04406 1120 select ARCH_HAS_DMA_MMAP_PGPROT
f8c55dc6
CH
1121 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1122 select ARCH_HAS_SYNC_DMA_FOR_CPU
e1e02b32 1123 select NEED_DMA_MAP_STATE
58b04406 1124 select ARCH_HAS_DMA_COHERENT_TO_PFN
f8c55dc6 1125 select DMA_NONCOHERENT_CACHE_SYNC
4ce588cd 1126
36a88530 1127config SYS_HAS_EARLY_PRINTK
1da177e4 1128 bool
1da177e4 1129
1b2bc75c 1130config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 1131 bool
dbb74540 1132
1da177e4
LT
1133config MIPS_BONITO64
1134 bool
1da177e4
LT
1135
1136config MIPS_MSC
1137 bool
1da177e4 1138
1f21d2bd
BM
1139config MIPS_NILE4
1140 bool
1141
39b8d525
RB
1142config SYNC_R4K
1143 bool
1144
487d70d0
GJ
1145config MIPS_MACHINE
1146 def_bool n
1147
ce816fa8 1148config NO_IOPORT_MAP
d388d685
MR
1149 def_bool n
1150
4e0748f5
MC
1151config GENERIC_CSUM
1152 bool
932afdee 1153 default y if !CPU_HAS_LOAD_STORE_LR
4e0748f5 1154
8313da30
RB
1155config GENERIC_ISA_DMA
1156 bool
1157 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 1158 select ISA_DMA_API
8313da30 1159
aa414dff
RB
1160config GENERIC_ISA_DMA_SUPPORT_BROKEN
1161 bool
8313da30 1162 select GENERIC_ISA_DMA
aa414dff 1163
a35bee8a
NK
1164config ISA_DMA_API
1165 bool
1166
465aaed0
DD
1167config HOLES_IN_ZONE
1168 bool
1169
8c530ea3
MR
1170config SYS_SUPPORTS_RELOCATABLE
1171 bool
1172 help
1173 Selected if the platform supports relocating the kernel.
1174 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1175 to allow access to command line and entropy sources.
1176
f381bf6d
DD
1177config MIPS_CBPF_JIT
1178 def_bool y
1179 depends on BPF_JIT && HAVE_CBPF_JIT
1180
1181config MIPS_EBPF_JIT
1182 def_bool y
1183 depends on BPF_JIT && HAVE_EBPF_JIT
1184
1185
5e83d430 1186#
6b2aac42 1187# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
1188# answer,so we try hard to limit the available choices. Also the use of a
1189# choice statement should be more obvious to the user.
1190#
1191choice
6b2aac42 1192 prompt "Endianness selection"
1da177e4
LT
1193 help
1194 Some MIPS machines can be configured for either little or big endian
5e83d430 1195 byte order. These modes require different kernels and a different
3cb2fccc 1196 Linux distribution. In general there is one preferred byteorder for a
5e83d430 1197 particular system but some systems are just as commonly used in the
3dde6ad8 1198 one or the other endianness.
5e83d430
RB
1199
1200config CPU_BIG_ENDIAN
1201 bool "Big endian"
1202 depends on SYS_SUPPORTS_BIG_ENDIAN
1203
1204config CPU_LITTLE_ENDIAN
1205 bool "Little endian"
1206 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
1207
1208endchoice
1209
22b0763a
DD
1210config EXPORT_UASM
1211 bool
1212
2116245e
RB
1213config SYS_SUPPORTS_APM_EMULATION
1214 bool
1215
5e83d430
RB
1216config SYS_SUPPORTS_BIG_ENDIAN
1217 bool
1218
1219config SYS_SUPPORTS_LITTLE_ENDIAN
1220 bool
1da177e4 1221
9cffd154
DD
1222config SYS_SUPPORTS_HUGETLBFS
1223 bool
1224 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
1225 default y
1226
aa1762f4
DD
1227config MIPS_HUGE_TLB_SUPPORT
1228 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1229
1da177e4
LT
1230config IRQ_CPU_RM7K
1231 bool
1232
9267a30d
MSJ
1233config IRQ_MSP_SLP
1234 bool
1235
1236config IRQ_MSP_CIC
1237 bool
1238
8420fd00
AN
1239config IRQ_TXX9
1240 bool
1241
d5ab1a69
YY
1242config IRQ_GT641XX
1243 bool
1244
252161ec 1245config PCI_GT64XXX_PCI0
1da177e4 1246 bool
1da177e4 1247
9267a30d
MSJ
1248config NO_EXCEPT_FILL
1249 bool
1250
a83860c2
RB
1251config SOC_EMMA2RH
1252 bool
1253 select CEVT_R4K
1254 select CSRC_R4K
1255 select DMA_NONCOHERENT
67e38cf2 1256 select IRQ_MIPS_CPU
a83860c2
RB
1257 select SWAP_IO_SPACE
1258 select SYS_HAS_CPU_R5500
1259 select SYS_SUPPORTS_32BIT_KERNEL
1260 select SYS_SUPPORTS_64BIT_KERNEL
1261 select SYS_SUPPORTS_BIG_ENDIAN
1262
edb6310a
DL
1263config SOC_PNX833X
1264 bool
1265 select CEVT_R4K
1266 select CSRC_R4K
67e38cf2 1267 select IRQ_MIPS_CPU
edb6310a
DL
1268 select DMA_NONCOHERENT
1269 select SYS_HAS_CPU_MIPS32_R2
1270 select SYS_SUPPORTS_32BIT_KERNEL
1271 select SYS_SUPPORTS_LITTLE_ENDIAN
1272 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 1273 select SYS_SUPPORTS_MIPS16
edb6310a
DL
1274 select CPU_MIPSR2_IRQ_VI
1275
1276config SOC_PNX8335
1277 bool
1278 select SOC_PNX833X
1279
a7e07b1a
MC
1280config MIPS_SPRAM
1281 bool
1282
1da177e4
LT
1283config SWAP_IO_SPACE
1284 bool
1285
e2defae5
TB
1286config SGI_HAS_INDYDOG
1287 bool
1288
5b438c44
TB
1289config SGI_HAS_HAL2
1290 bool
1291
e2defae5
TB
1292config SGI_HAS_SEEQ
1293 bool
1294
1295config SGI_HAS_WD93
1296 bool
1297
1298config SGI_HAS_ZILOG
1299 bool
1300
1301config SGI_HAS_I8042
1302 bool
1303
1304config DEFAULT_SGI_PARTITION
1305 bool
1306
0e2794b0 1307config FW_ARC32
5e83d430
RB
1308 bool
1309
aaa9fad3 1310config FW_SNIPROM
231a35d3
TB
1311 bool
1312
1da177e4
LT
1313config BOOT_ELF32
1314 bool
1da177e4 1315
930beb5a
FF
1316config MIPS_L1_CACHE_SHIFT_4
1317 bool
1318
1319config MIPS_L1_CACHE_SHIFT_5
1320 bool
1321
1322config MIPS_L1_CACHE_SHIFT_6
1323 bool
1324
1325config MIPS_L1_CACHE_SHIFT_7
1326 bool
1327
1da177e4
LT
1328config MIPS_L1_CACHE_SHIFT
1329 int
a4c0201e 1330 default "7" if MIPS_L1_CACHE_SHIFT_7
5432eeb6
KC
1331 default "6" if MIPS_L1_CACHE_SHIFT_6
1332 default "5" if MIPS_L1_CACHE_SHIFT_5
1333 default "4" if MIPS_L1_CACHE_SHIFT_4
1da177e4
LT
1334 default "5"
1335
1da177e4
LT
1336config HAVE_STD_PC_SERIAL_PORT
1337 bool
1338
1da177e4
LT
1339config ARC_CONSOLE
1340 bool "ARC console support"
e2defae5 1341 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1342
1343config ARC_MEMORY
1344 bool
14b36af4 1345 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1346 default y
1347
1348config ARC_PROMLIB
1349 bool
e2defae5 1350 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1351 default y
1352
0e2794b0 1353config FW_ARC64
1da177e4 1354 bool
1da177e4
LT
1355
1356config BOOT_ELF64
1357 bool
1da177e4 1358
1da177e4
LT
1359menu "CPU selection"
1360
1361choice
1362 prompt "CPU type"
1363 default CPU_R4X00
1364
0e476d91
HC
1365config CPU_LOONGSON3
1366 bool "Loongson 3 CPU"
1367 depends on SYS_HAS_CPU_LOONGSON3
d3bc81be 1368 select ARCH_HAS_PHYS_TO_DMA
0e476d91
HC
1369 select CPU_SUPPORTS_64BIT_KERNEL
1370 select CPU_SUPPORTS_HIGHMEM
1371 select CPU_SUPPORTS_HUGEPAGES
932afdee 1372 select CPU_HAS_LOAD_STORE_LR
0e476d91
HC
1373 select WEAK_ORDERING
1374 select WEAK_REORDERING_BEYOND_LLSC
b2edcfc8 1375 select MIPS_PGD_C0_CONTEXT
17c99d94 1376 select MIPS_L1_CACHE_SHIFT_6
d30a2b47 1377 select GPIOLIB
09230cbc 1378 select SWIOTLB
0e476d91
HC
1379 help
1380 The Loongson 3 processor implements the MIPS64R2 instruction
1381 set with many extensions.
1382
1e820da3
HC
1383config LOONGSON3_ENHANCEMENT
1384 bool "New Loongson 3 CPU Enhancements"
1385 default n
1386 select CPU_MIPSR2
1387 select CPU_HAS_PREFETCH
1388 depends on CPU_LOONGSON3
1389 help
1390 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1391 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1392 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1393 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1394 Fast TLB refill support, etc.
1395
1396 This option enable those enhancements which are not probed at run
1397 time. If you want a generic kernel to run on all Loongson 3 machines,
1398 please say 'N' here. If you want a high-performance kernel to run on
1399 new Loongson 3 machines only, please say 'Y' here.
1400
3702bba5
WZ
1401config CPU_LOONGSON2E
1402 bool "Loongson 2E"
1403 depends on SYS_HAS_CPU_LOONGSON2E
1404 select CPU_LOONGSON2
2a21c730
FZ
1405 help
1406 The Loongson 2E processor implements the MIPS III instruction set
1407 with many extensions.
1408
25985edc 1409 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1410 bonito64.
1411
1412config CPU_LOONGSON2F
1413 bool "Loongson 2F"
1414 depends on SYS_HAS_CPU_LOONGSON2F
1415 select CPU_LOONGSON2
d30a2b47 1416 select GPIOLIB
6f7a251a
WZ
1417 help
1418 The Loongson 2F processor implements the MIPS III instruction set
1419 with many extensions.
1420
1421 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1422 have a similar programming interface with FPGA northbridge used in
1423 Loongson2E.
1424
ca585cf9
KC
1425config CPU_LOONGSON1B
1426 bool "Loongson 1B"
1427 depends on SYS_HAS_CPU_LOONGSON1B
1428 select CPU_LOONGSON1
9ec88b60 1429 select LEDS_GPIO_REGISTER
ca585cf9
KC
1430 help
1431 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1432 Release 1 instruction set and part of the MIPS32 Release 2
1433 instruction set.
ca585cf9 1434
12e3280b
YL
1435config CPU_LOONGSON1C
1436 bool "Loongson 1C"
1437 depends on SYS_HAS_CPU_LOONGSON1C
1438 select CPU_LOONGSON1
12e3280b
YL
1439 select LEDS_GPIO_REGISTER
1440 help
1441 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1442 Release 1 instruction set and part of the MIPS32 Release 2
1443 instruction set.
12e3280b 1444
6e760c8d
RB
1445config CPU_MIPS32_R1
1446 bool "MIPS32 Release 1"
7cf8053b 1447 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1448 select CPU_HAS_PREFETCH
932afdee 1449 select CPU_HAS_LOAD_STORE_LR
797798c1 1450 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1451 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1452 help
5e83d430 1453 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1454 MIPS32 architecture. Most modern embedded systems with a 32-bit
1455 MIPS processor are based on a MIPS32 processor. If you know the
1456 specific type of processor in your system, choose those that one
1457 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1458 Release 2 of the MIPS32 architecture is available since several
1459 years so chances are you even have a MIPS32 Release 2 processor
1460 in which case you should choose CPU_MIPS32_R2 instead for better
1461 performance.
1462
1463config CPU_MIPS32_R2
1464 bool "MIPS32 Release 2"
7cf8053b 1465 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1466 select CPU_HAS_PREFETCH
932afdee 1467 select CPU_HAS_LOAD_STORE_LR
797798c1 1468 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1469 select CPU_SUPPORTS_HIGHMEM
a5e9a69e 1470 select CPU_SUPPORTS_MSA
2235a54d 1471 select HAVE_KVM
6e760c8d 1472 help
5e83d430 1473 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1474 MIPS32 architecture. Most modern embedded systems with a 32-bit
1475 MIPS processor are based on a MIPS32 processor. If you know the
1476 specific type of processor in your system, choose those that one
1477 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1478
7fd08ca5 1479config CPU_MIPS32_R6
674d10e2 1480 bool "MIPS32 Release 6"
7fd08ca5
LY
1481 depends on SYS_HAS_CPU_MIPS32_R6
1482 select CPU_HAS_PREFETCH
1483 select CPU_SUPPORTS_32BIT_KERNEL
1484 select CPU_SUPPORTS_HIGHMEM
1485 select CPU_SUPPORTS_MSA
1486 select HAVE_KVM
1487 select MIPS_O32_FP64_SUPPORT
1488 help
1489 Choose this option to build a kernel for release 6 or later of the
1490 MIPS32 architecture. New MIPS processors, starting with the Warrior
1491 family, are based on a MIPS32r6 processor. If you own an older
1492 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1493
6e760c8d
RB
1494config CPU_MIPS64_R1
1495 bool "MIPS64 Release 1"
7cf8053b 1496 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1497 select CPU_HAS_PREFETCH
932afdee 1498 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1499 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1501 select CPU_SUPPORTS_HIGHMEM
9cffd154 1502 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1503 help
1504 Choose this option to build a kernel for release 1 or later of the
1505 MIPS64 architecture. Many modern embedded systems with a 64-bit
1506 MIPS processor are based on a MIPS64 processor. If you know the
1507 specific type of processor in your system, choose those that one
1508 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1509 Release 2 of the MIPS64 architecture is available since several
1510 years so chances are you even have a MIPS64 Release 2 processor
1511 in which case you should choose CPU_MIPS64_R2 instead for better
1512 performance.
1513
1514config CPU_MIPS64_R2
1515 bool "MIPS64 Release 2"
7cf8053b 1516 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1517 select CPU_HAS_PREFETCH
932afdee 1518 select CPU_HAS_LOAD_STORE_LR
1e5f1caa
RB
1519 select CPU_SUPPORTS_32BIT_KERNEL
1520 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1521 select CPU_SUPPORTS_HIGHMEM
9cffd154 1522 select CPU_SUPPORTS_HUGEPAGES
a5e9a69e 1523 select CPU_SUPPORTS_MSA
40a2df49 1524 select HAVE_KVM
1e5f1caa
RB
1525 help
1526 Choose this option to build a kernel for release 2 or later of the
1527 MIPS64 architecture. Many modern embedded systems with a 64-bit
1528 MIPS processor are based on a MIPS64 processor. If you know the
1529 specific type of processor in your system, choose those that one
1530 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4 1531
7fd08ca5 1532config CPU_MIPS64_R6
674d10e2 1533 bool "MIPS64 Release 6"
7fd08ca5
LY
1534 depends on SYS_HAS_CPU_MIPS64_R6
1535 select CPU_HAS_PREFETCH
1536 select CPU_SUPPORTS_32BIT_KERNEL
1537 select CPU_SUPPORTS_64BIT_KERNEL
1538 select CPU_SUPPORTS_HIGHMEM
1539 select CPU_SUPPORTS_MSA
2e6c7747 1540 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
40a2df49 1541 select HAVE_KVM
7fd08ca5
LY
1542 help
1543 Choose this option to build a kernel for release 6 or later of the
1544 MIPS64 architecture. New MIPS processors, starting with the Warrior
1545 family, are based on a MIPS64r6 processor. If you own an older
1546 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1547
1da177e4
LT
1548config CPU_R3000
1549 bool "R3000"
7cf8053b 1550 depends on SYS_HAS_CPU_R3000
f7062ddb 1551 select CPU_HAS_WB
932afdee 1552 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb 1553 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1554 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1555 help
1556 Please make sure to pick the right CPU type. Linux/MIPS is not
1557 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1558 *not* work on R4000 machines and vice versa. However, since most
1559 of the supported machines have an R4000 (or similar) CPU, R4x00
1560 might be a safe bet. If the resulting kernel does not work,
1561 try to recompile with R3000.
1562
1563config CPU_TX39XX
1564 bool "R39XX"
7cf8053b 1565 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1566 select CPU_SUPPORTS_32BIT_KERNEL
932afdee 1567 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1568
1569config CPU_VR41XX
1570 bool "R41xx"
7cf8053b 1571 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1572 select CPU_SUPPORTS_32BIT_KERNEL
1573 select CPU_SUPPORTS_64BIT_KERNEL
932afdee 1574 select CPU_HAS_LOAD_STORE_LR
1da177e4 1575 help
5e83d430 1576 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1577 Only choose this option if you have one of these processors as a
1578 kernel built with this option will not run on any other type of
1579 processor or vice versa.
1580
1581config CPU_R4300
1582 bool "R4300"
7cf8053b 1583 depends on SYS_HAS_CPU_R4300
ed5ba2fb
YY
1584 select CPU_SUPPORTS_32BIT_KERNEL
1585 select CPU_SUPPORTS_64BIT_KERNEL
932afdee 1586 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1587 help
1588 MIPS Technologies R4300-series processors.
1589
1590config CPU_R4X00
1591 bool "R4x00"
7cf8053b 1592 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1593 select CPU_SUPPORTS_32BIT_KERNEL
1594 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1595 select CPU_SUPPORTS_HUGEPAGES
932afdee 1596 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1597 help
1598 MIPS Technologies R4000-series processors other than 4300, including
1599 the R4000, R4400, R4600, and 4700.
1600
1601config CPU_TX49XX
1602 bool "R49XX"
7cf8053b 1603 depends on SYS_HAS_CPU_TX49XX
de862b48 1604 select CPU_HAS_PREFETCH
932afdee 1605 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1606 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1608 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1609
1610config CPU_R5000
1611 bool "R5000"
7cf8053b 1612 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1613 select CPU_SUPPORTS_32BIT_KERNEL
1614 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1615 select CPU_SUPPORTS_HUGEPAGES
932afdee 1616 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1617 help
1618 MIPS Technologies R5000-series processors other than the Nevada.
1619
1620config CPU_R5432
1621 bool "R5432"
7cf8053b 1622 depends on SYS_HAS_CPU_R5432
5e83d430
RB
1623 select CPU_SUPPORTS_32BIT_KERNEL
1624 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1625 select CPU_SUPPORTS_HUGEPAGES
932afdee 1626 select CPU_HAS_LOAD_STORE_LR
1da177e4 1627
542c1020
SK
1628config CPU_R5500
1629 bool "R5500"
1630 depends on SYS_HAS_CPU_R5500
542c1020
SK
1631 select CPU_SUPPORTS_32BIT_KERNEL
1632 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1633 select CPU_SUPPORTS_HUGEPAGES
932afdee 1634 select CPU_HAS_LOAD_STORE_LR
542c1020
SK
1635 help
1636 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1637 instruction set.
1638
1da177e4
LT
1639config CPU_NEVADA
1640 bool "RM52xx"
7cf8053b 1641 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1642 select CPU_SUPPORTS_32BIT_KERNEL
1643 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1644 select CPU_SUPPORTS_HUGEPAGES
932afdee 1645 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1646 help
1647 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1648
1649config CPU_R8000
1650 bool "R8000"
7cf8053b 1651 depends on SYS_HAS_CPU_R8000
5e83d430 1652 select CPU_HAS_PREFETCH
932afdee 1653 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb 1654 select CPU_SUPPORTS_64BIT_KERNEL
1da177e4
LT
1655 help
1656 MIPS Technologies R8000 processors. Note these processors are
1657 uncommon and the support for them is incomplete.
1658
1659config CPU_R10000
1660 bool "R10000"
7cf8053b 1661 depends on SYS_HAS_CPU_R10000
5e83d430 1662 select CPU_HAS_PREFETCH
932afdee 1663 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1664 select CPU_SUPPORTS_32BIT_KERNEL
1665 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1666 select CPU_SUPPORTS_HIGHMEM
970d032f 1667 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1668 help
1669 MIPS Technologies R10000-series processors.
1670
1671config CPU_RM7000
1672 bool "RM7000"
7cf8053b 1673 depends on SYS_HAS_CPU_RM7000
5e83d430 1674 select CPU_HAS_PREFETCH
932afdee 1675 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1676 select CPU_SUPPORTS_32BIT_KERNEL
1677 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1678 select CPU_SUPPORTS_HIGHMEM
970d032f 1679 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1680
1681config CPU_SB1
1682 bool "SB1"
7cf8053b 1683 depends on SYS_HAS_CPU_SB1
932afdee 1684 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1685 select CPU_SUPPORTS_32BIT_KERNEL
1686 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1687 select CPU_SUPPORTS_HIGHMEM
970d032f 1688 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1689 select WEAK_ORDERING
1da177e4 1690
a86c7f72
DD
1691config CPU_CAVIUM_OCTEON
1692 bool "Cavium Octeon processor"
5e683389 1693 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 1694 select CPU_HAS_PREFETCH
932afdee 1695 select CPU_HAS_LOAD_STORE_LR
a86c7f72 1696 select CPU_SUPPORTS_64BIT_KERNEL
a86c7f72 1697 select WEAK_ORDERING
a86c7f72 1698 select CPU_SUPPORTS_HIGHMEM
9cffd154 1699 select CPU_SUPPORTS_HUGEPAGES
df115f3e
BH
1700 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1701 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
930beb5a 1702 select MIPS_L1_CACHE_SHIFT_7
0ae3abcd 1703 select HAVE_KVM
a86c7f72
DD
1704 help
1705 The Cavium Octeon processor is a highly integrated chip containing
1706 many ethernet hardware widgets for networking tasks. The processor
1707 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1708 Full details can be found at http://www.caviumnetworks.com.
1709
cd746249
JG
1710config CPU_BMIPS
1711 bool "Broadcom BMIPS"
1712 depends on SYS_HAS_CPU_BMIPS
1713 select CPU_MIPS32
fe7f62c0 1714 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
cd746249
JG
1715 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1716 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1717 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1718 select CPU_SUPPORTS_32BIT_KERNEL
1719 select DMA_NONCOHERENT
67e38cf2 1720 select IRQ_MIPS_CPU
cd746249
JG
1721 select SWAP_IO_SPACE
1722 select WEAK_ORDERING
c1c0c461 1723 select CPU_SUPPORTS_HIGHMEM
69aaf9c8 1724 select CPU_HAS_PREFETCH
932afdee 1725 select CPU_HAS_LOAD_STORE_LR
a8d709b0
MM
1726 select CPU_SUPPORTS_CPUFREQ
1727 select MIPS_EXTERNAL_TIMER
c1c0c461 1728 help
fe7f62c0 1729 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
c1c0c461 1730
7f058e85
J
1731config CPU_XLR
1732 bool "Netlogic XLR SoC"
1733 depends on SYS_HAS_CPU_XLR
932afdee 1734 select CPU_HAS_LOAD_STORE_LR
7f058e85
J
1735 select CPU_SUPPORTS_32BIT_KERNEL
1736 select CPU_SUPPORTS_64BIT_KERNEL
1737 select CPU_SUPPORTS_HIGHMEM
970d032f 1738 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1739 select WEAK_ORDERING
1740 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1741 help
1742 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1743
1744config CPU_XLP
1745 bool "Netlogic XLP SoC"
1746 depends on SYS_HAS_CPU_XLP
1747 select CPU_SUPPORTS_32BIT_KERNEL
1748 select CPU_SUPPORTS_64BIT_KERNEL
1749 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1750 select WEAK_ORDERING
1751 select WEAK_REORDERING_BEYOND_LLSC
1752 select CPU_HAS_PREFETCH
932afdee 1753 select CPU_HAS_LOAD_STORE_LR
d6504846 1754 select CPU_MIPSR2
ddba6833 1755 select CPU_SUPPORTS_HUGEPAGES
2db003a5 1756 select MIPS_ASID_BITS_VARIABLE
1c773ea4
J
1757 help
1758 Netlogic Microsystems XLP processors.
1da177e4
LT
1759endchoice
1760
a6e18781
LY
1761config CPU_MIPS32_3_5_FEATURES
1762 bool "MIPS32 Release 3.5 Features"
1763 depends on SYS_HAS_CPU_MIPS32_R3_5
7fd08ca5 1764 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
a6e18781
LY
1765 help
1766 Choose this option to build a kernel for release 2 or later of the
1767 MIPS32 architecture including features from the 3.5 release such as
1768 support for Enhanced Virtual Addressing (EVA).
1769
1770config CPU_MIPS32_3_5_EVA
1771 bool "Enhanced Virtual Addressing (EVA)"
1772 depends on CPU_MIPS32_3_5_FEATURES
1773 select EVA
1774 default y
1775 help
1776 Choose this option if you want to enable the Enhanced Virtual
1777 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1778 One of its primary benefits is an increase in the maximum size
1779 of lowmem (up to 3GB). If unsure, say 'N' here.
1780
c5b36783
SH
1781config CPU_MIPS32_R5_FEATURES
1782 bool "MIPS32 Release 5 Features"
1783 depends on SYS_HAS_CPU_MIPS32_R5
1784 depends on CPU_MIPS32_R2
1785 help
1786 Choose this option to build a kernel for release 2 or later of the
1787 MIPS32 architecture including features from release 5 such as
1788 support for Extended Physical Addressing (XPA).
1789
1790config CPU_MIPS32_R5_XPA
1791 bool "Extended Physical Addressing (XPA)"
1792 depends on CPU_MIPS32_R5_FEATURES
1793 depends on !EVA
1794 depends on !PAGE_SIZE_4KB
1795 depends on SYS_SUPPORTS_HIGHMEM
1796 select XPA
1797 select HIGHMEM
d4a451d5 1798 select PHYS_ADDR_T_64BIT
c5b36783
SH
1799 default n
1800 help
1801 Choose this option if you want to enable the Extended Physical
1802 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1803 benefit is to increase physical addressing equal to or greater
1804 than 40 bits. Note that this has the side effect of turning on
1805 64-bit addressing which in turn makes the PTEs 64-bit in size.
1806 If unsure, say 'N' here.
1807
622844bf
WZ
1808if CPU_LOONGSON2F
1809config CPU_NOP_WORKAROUNDS
1810 bool
1811
1812config CPU_JUMP_WORKAROUNDS
1813 bool
1814
1815config CPU_LOONGSON2F_WORKAROUNDS
1816 bool "Loongson 2F Workarounds"
1817 default y
1818 select CPU_NOP_WORKAROUNDS
1819 select CPU_JUMP_WORKAROUNDS
1820 help
1821 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1822 require workarounds. Without workarounds the system may hang
1823 unexpectedly. For more information please refer to the gas
1824 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1825
1826 Loongson 2F03 and later have fixed these issues and no workarounds
1827 are needed. The workarounds have no significant side effect on them
1828 but may decrease the performance of the system so this option should
1829 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1830 systems.
1831
1832 If unsure, please say Y.
1833endif # CPU_LOONGSON2F
1834
1b93b3c3
WZ
1835config SYS_SUPPORTS_ZBOOT
1836 bool
1837 select HAVE_KERNEL_GZIP
1838 select HAVE_KERNEL_BZIP2
31c4867d 1839 select HAVE_KERNEL_LZ4
1b93b3c3 1840 select HAVE_KERNEL_LZMA
fe1d45e0 1841 select HAVE_KERNEL_LZO
4e23eb63 1842 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1843
1844config SYS_SUPPORTS_ZBOOT_UART16550
1845 bool
1846 select SYS_SUPPORTS_ZBOOT
1847
dbb98314
AB
1848config SYS_SUPPORTS_ZBOOT_UART_PROM
1849 bool
1850 select SYS_SUPPORTS_ZBOOT
1851
3702bba5
WZ
1852config CPU_LOONGSON2
1853 bool
1854 select CPU_SUPPORTS_32BIT_KERNEL
1855 select CPU_SUPPORTS_64BIT_KERNEL
1856 select CPU_SUPPORTS_HIGHMEM
970d032f 1857 select CPU_SUPPORTS_HUGEPAGES
e905086e 1858 select ARCH_HAS_PHYS_TO_DMA
932afdee 1859 select CPU_HAS_LOAD_STORE_LR
3702bba5 1860
ca585cf9
KC
1861config CPU_LOONGSON1
1862 bool
1863 select CPU_MIPS32
968dc5a0 1864 select CPU_MIPSR1
ca585cf9 1865 select CPU_HAS_PREFETCH
932afdee 1866 select CPU_HAS_LOAD_STORE_LR
ca585cf9
KC
1867 select CPU_SUPPORTS_32BIT_KERNEL
1868 select CPU_SUPPORTS_HIGHMEM
f29ad10d 1869 select CPU_SUPPORTS_CPUFREQ
ca585cf9 1870
fe7f62c0 1871config CPU_BMIPS32_3300
04fa8bf7 1872 select SMP_UP if SMP
1bbb6c1b 1873 bool
cd746249
JG
1874
1875config CPU_BMIPS4350
1876 bool
1877 select SYS_SUPPORTS_SMP
1878 select SYS_SUPPORTS_HOTPLUG_CPU
1879
1880config CPU_BMIPS4380
1881 bool
bbf2ba67 1882 select MIPS_L1_CACHE_SHIFT_6
cd746249
JG
1883 select SYS_SUPPORTS_SMP
1884 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1885 select CPU_HAS_RIXI
cd746249
JG
1886
1887config CPU_BMIPS5000
1888 bool
cd746249 1889 select MIPS_CPU_SCACHE
bbf2ba67 1890 select MIPS_L1_CACHE_SHIFT_7
cd746249
JG
1891 select SYS_SUPPORTS_SMP
1892 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1893 select CPU_HAS_RIXI
1bbb6c1b 1894
0e476d91
HC
1895config SYS_HAS_CPU_LOONGSON3
1896 bool
1897 select CPU_SUPPORTS_CPUFREQ
b2edcfc8 1898 select CPU_HAS_RIXI
0e476d91 1899
3702bba5 1900config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1901 bool
1902
6f7a251a
WZ
1903config SYS_HAS_CPU_LOONGSON2F
1904 bool
55045ff5
WZ
1905 select CPU_SUPPORTS_CPUFREQ
1906 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1907 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1908
ca585cf9
KC
1909config SYS_HAS_CPU_LOONGSON1B
1910 bool
1911
12e3280b
YL
1912config SYS_HAS_CPU_LOONGSON1C
1913 bool
1914
7cf8053b
RB
1915config SYS_HAS_CPU_MIPS32_R1
1916 bool
1917
1918config SYS_HAS_CPU_MIPS32_R2
1919 bool
1920
a6e18781
LY
1921config SYS_HAS_CPU_MIPS32_R3_5
1922 bool
1923
c5b36783
SH
1924config SYS_HAS_CPU_MIPS32_R5
1925 bool
1926
7fd08ca5
LY
1927config SYS_HAS_CPU_MIPS32_R6
1928 bool
1929
7cf8053b
RB
1930config SYS_HAS_CPU_MIPS64_R1
1931 bool
1932
1933config SYS_HAS_CPU_MIPS64_R2
1934 bool
1935
7fd08ca5
LY
1936config SYS_HAS_CPU_MIPS64_R6
1937 bool
1938
7cf8053b
RB
1939config SYS_HAS_CPU_R3000
1940 bool
1941
1942config SYS_HAS_CPU_TX39XX
1943 bool
1944
1945config SYS_HAS_CPU_VR41XX
1946 bool
1947
1948config SYS_HAS_CPU_R4300
1949 bool
1950
1951config SYS_HAS_CPU_R4X00
1952 bool
1953
1954config SYS_HAS_CPU_TX49XX
1955 bool
1956
1957config SYS_HAS_CPU_R5000
1958 bool
1959
1960config SYS_HAS_CPU_R5432
1961 bool
1962
542c1020
SK
1963config SYS_HAS_CPU_R5500
1964 bool
1965
7cf8053b
RB
1966config SYS_HAS_CPU_NEVADA
1967 bool
1968
1969config SYS_HAS_CPU_R8000
1970 bool
1971
1972config SYS_HAS_CPU_R10000
1973 bool
1974
1975config SYS_HAS_CPU_RM7000
1976 bool
1977
7cf8053b
RB
1978config SYS_HAS_CPU_SB1
1979 bool
1980
5e683389
DD
1981config SYS_HAS_CPU_CAVIUM_OCTEON
1982 bool
1983
cd746249 1984config SYS_HAS_CPU_BMIPS
c1c0c461
KC
1985 bool
1986
fe7f62c0 1987config SYS_HAS_CPU_BMIPS32_3300
c1c0c461 1988 bool
cd746249 1989 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1990
1991config SYS_HAS_CPU_BMIPS4350
1992 bool
cd746249 1993 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1994
1995config SYS_HAS_CPU_BMIPS4380
1996 bool
cd746249 1997 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1998
1999config SYS_HAS_CPU_BMIPS5000
2000 bool
cd746249 2001 select SYS_HAS_CPU_BMIPS
c1c0c461 2002
7f058e85
J
2003config SYS_HAS_CPU_XLR
2004 bool
2005
1c773ea4
J
2006config SYS_HAS_CPU_XLP
2007 bool
2008
17099b11
RB
2009#
2010# CPU may reorder R->R, R->W, W->R, W->W
2011# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2012#
0004a9df
RB
2013config WEAK_ORDERING
2014 bool
17099b11
RB
2015
2016#
2017# CPU may reorder reads and writes beyond LL/SC
2018# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2019#
2020config WEAK_REORDERING_BEYOND_LLSC
2021 bool
5e83d430
RB
2022endmenu
2023
2024#
c09b47d8 2025# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
2026#
2027config CPU_MIPS32
2028 bool
7fd08ca5 2029 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
5e83d430
RB
2030
2031config CPU_MIPS64
2032 bool
7fd08ca5 2033 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
5e83d430
RB
2034
2035#
c09b47d8 2036# These two indicate the revision of the architecture, either Release 1 or Release 2
5e83d430
RB
2037#
2038config CPU_MIPSR1
2039 bool
2040 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2041
2042config CPU_MIPSR2
2043 bool
a86c7f72 2044 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
8256b17e 2045 select CPU_HAS_RIXI
a7e07b1a 2046 select MIPS_SPRAM
5e83d430 2047
7fd08ca5
LY
2048config CPU_MIPSR6
2049 bool
2050 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
8256b17e 2051 select CPU_HAS_RIXI
87321fdd 2052 select HAVE_ARCH_BITREVERSE
2db003a5 2053 select MIPS_ASID_BITS_VARIABLE
4a5dc51e 2054 select MIPS_CRC_SUPPORT
a7e07b1a 2055 select MIPS_SPRAM
5e83d430 2056
a6e18781
LY
2057config EVA
2058 bool
2059
c5b36783
SH
2060config XPA
2061 bool
2062
5e83d430
RB
2063config SYS_SUPPORTS_32BIT_KERNEL
2064 bool
2065config SYS_SUPPORTS_64BIT_KERNEL
2066 bool
2067config CPU_SUPPORTS_32BIT_KERNEL
2068 bool
2069config CPU_SUPPORTS_64BIT_KERNEL
2070 bool
55045ff5
WZ
2071config CPU_SUPPORTS_CPUFREQ
2072 bool
2073config CPU_SUPPORTS_ADDRWINCFG
2074 bool
9cffd154
DD
2075config CPU_SUPPORTS_HUGEPAGES
2076 bool
22f1fdfd
WZ
2077config CPU_SUPPORTS_UNCACHED_ACCELERATED
2078 bool
82622284
DD
2079config MIPS_PGD_C0_CONTEXT
2080 bool
cebf8c0f 2081 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
5e83d430 2082
8192c9ea
DD
2083#
2084# Set to y for ptrace access to watch registers.
2085#
2086config HARDWARE_WATCHPOINTS
2087 bool
679eb637 2088 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
8192c9ea 2089
5e83d430
RB
2090menu "Kernel type"
2091
2092choice
5e83d430
RB
2093 prompt "Kernel code model"
2094 help
2095 You should only select this option if you have a workload that
2096 actually benefits from 64-bit processing or if your machine has
2097 large memory. You will only be presented a single option in this
2098 menu if your system does not support both 32-bit and 64-bit kernels.
2099
2100config 32BIT
2101 bool "32-bit kernel"
2102 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2103 select TRAD_SIGNALS
2104 help
2105 Select this option if you want to build a 32-bit kernel.
f17c4ca3 2106
5e83d430
RB
2107config 64BIT
2108 bool "64-bit kernel"
2109 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2110 help
2111 Select this option if you want to build a 64-bit kernel.
2112
2113endchoice
2114
2235a54d
SL
2115config KVM_GUEST
2116 bool "KVM Guest Kernel"
f2a5b1d7 2117 depends on BROKEN_ON_SMP
2235a54d 2118 help
caa1faa7
JH
2119 Select this option if building a guest kernel for KVM (Trap & Emulate)
2120 mode.
2235a54d 2121
eda3d33c
JH
2122config KVM_GUEST_TIMER_FREQ
2123 int "Count/Compare Timer Frequency (MHz)"
2235a54d 2124 depends on KVM_GUEST
eda3d33c 2125 default 100
2235a54d 2126 help
eda3d33c
JH
2127 Set this to non-zero if building a guest kernel for KVM to skip RTC
2128 emulation when determining guest CPU Frequency. Instead, the guest's
2129 timer frequency is specified directly.
2235a54d 2130
1e321fa9
LY
2131config MIPS_VA_BITS_48
2132 bool "48 bits virtual memory"
2133 depends on 64BIT
2134 help
3377e227
AB
2135 Support a maximum at least 48 bits of application virtual
2136 memory. Default is 40 bits or less, depending on the CPU.
2137 For page sizes 16k and above, this option results in a small
2138 memory overhead for page tables. For 4k page size, a fourth
2139 level of page tables is added which imposes both a memory
2140 overhead as well as slower TLB fault handling.
2141
1e321fa9
LY
2142 If unsure, say N.
2143
1da177e4
LT
2144choice
2145 prompt "Kernel page size"
2146 default PAGE_SIZE_4KB
2147
2148config PAGE_SIZE_4KB
2149 bool "4kB"
0e476d91 2150 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1da177e4
LT
2151 help
2152 This option select the standard 4kB Linux page size. On some
2153 R3000-family processors this is the only available page size. Using
2154 4kB page size will minimize memory consumption and is therefore
2155 recommended for low memory systems.
2156
2157config PAGE_SIZE_8KB
2158 bool "8kB"
7d60717e 2159 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
1e321fa9 2160 depends on !MIPS_VA_BITS_48
1da177e4
LT
2161 help
2162 Using 8kB page size will result in higher performance kernel at
2163 the price of higher memory consumption. This option is available
c52399be
RB
2164 only on R8000 and cnMIPS processors. Note that you will need a
2165 suitable Linux distribution to support this.
1da177e4
LT
2166
2167config PAGE_SIZE_16KB
2168 bool "16kB"
714bfad6 2169 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2170 help
2171 Using 16kB page size will result in higher performance kernel at
2172 the price of higher memory consumption. This option is available on
714bfad6
RB
2173 all non-R3000 family processors. Note that you will need a suitable
2174 Linux distribution to support this.
1da177e4 2175
c52399be
RB
2176config PAGE_SIZE_32KB
2177 bool "32kB"
2178 depends on CPU_CAVIUM_OCTEON
1e321fa9 2179 depends on !MIPS_VA_BITS_48
c52399be
RB
2180 help
2181 Using 32kB page size will result in higher performance kernel at
2182 the price of higher memory consumption. This option is available
2183 only on cnMIPS cores. Note that you will need a suitable Linux
2184 distribution to support this.
2185
1da177e4
LT
2186config PAGE_SIZE_64KB
2187 bool "64kB"
3b2db173 2188 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2189 help
2190 Using 64kB page size will result in higher performance kernel at
2191 the price of higher memory consumption. This option is available on
2192 all non-R3000 family processor. Not that at the time of this
714bfad6 2193 writing this option is still high experimental.
1da177e4
LT
2194
2195endchoice
2196
c9bace7c
DD
2197config FORCE_MAX_ZONEORDER
2198 int "Maximum zone order"
e4362d1e
AS
2199 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2200 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2201 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2202 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2203 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2204 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
c9bace7c
DD
2205 range 11 64
2206 default "11"
2207 help
2208 The kernel memory allocator divides physically contiguous memory
2209 blocks into "zones", where each zone is a power of two number of
2210 pages. This option selects the largest power of two that the kernel
2211 keeps in the memory allocator. If you need to allocate very large
2212 blocks of physically contiguous memory, then you may need to
2213 increase this value.
2214
2215 This config option is actually maximum order plus one. For example,
2216 a value of 11 means that the largest free memory block is 2^10 pages.
2217
2218 The page size is not necessarily 4KB. Keep this in mind
2219 when choosing a value for this option.
2220
1da177e4
LT
2221config BOARD_SCACHE
2222 bool
2223
2224config IP22_CPU_SCACHE
2225 bool
2226 select BOARD_SCACHE
2227
9318c51a
CD
2228#
2229# Support for a MIPS32 / MIPS64 style S-caches
2230#
2231config MIPS_CPU_SCACHE
2232 bool
2233 select BOARD_SCACHE
2234
1da177e4
LT
2235config R5000_CPU_SCACHE
2236 bool
2237 select BOARD_SCACHE
2238
2239config RM7000_CPU_SCACHE
2240 bool
2241 select BOARD_SCACHE
2242
2243config SIBYTE_DMA_PAGEOPS
2244 bool "Use DMA to clear/copy pages"
2245 depends on CPU_SB1
2246 help
2247 Instead of using the CPU to zero and copy pages, use a Data Mover
2248 channel. These DMA channels are otherwise unused by the standard
2249 SiByte Linux port. Seems to give a small performance benefit.
2250
2251config CPU_HAS_PREFETCH
c8094b53 2252 bool
1da177e4 2253
3165c846
FF
2254config CPU_GENERIC_DUMP_TLB
2255 bool
3b2db173 2256 default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
3165c846 2257
91405eb6
FF
2258config CPU_R4K_FPU
2259 bool
a2aea699 2260 default y if !(CPU_R3000 || CPU_TX39XX)
91405eb6 2261
62cedc4f
FF
2262config CPU_R4K_CACHE_TLB
2263 bool
2264 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2265
59d6ab86 2266config MIPS_MT_SMP
a92b7f87 2267 bool "MIPS MT SMP support (1 TC on each available VPE)"
5cbf9688 2268 default y
527f1028 2269 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
f7062ddb 2270 select CPU_MIPSR2_IRQ_VI
d725cf38 2271 select CPU_MIPSR2_IRQ_EI
c080faa5 2272 select SYNC_R4K
f41ae0b2 2273 select MIPS_MT
41c594ab 2274 select SMP
87353d8a 2275 select SMP_UP
c080faa5
SH
2276 select SYS_SUPPORTS_SMP
2277 select SYS_SUPPORTS_SCHED_SMT
399aaa25 2278 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 2279 help
c080faa5
SH
2280 This is a kernel model which is known as SMVP. This is supported
2281 on cores with the MT ASE and uses the available VPEs to implement
2282 virtual processors which supports SMP. This is equivalent to the
2283 Intel Hyperthreading feature. For further information go to
2284 <http://www.imgtec.com/mips/mips-multithreading.asp>.
41c594ab 2285
f41ae0b2
RB
2286config MIPS_MT
2287 bool
2288
0ab7aefc
RB
2289config SCHED_SMT
2290 bool "SMT (multithreading) scheduler support"
2291 depends on SYS_SUPPORTS_SCHED_SMT
2292 default n
2293 help
2294 SMT scheduler support improves the CPU scheduler's decision making
2295 when dealing with MIPS MT enabled cores at a cost of slightly
2296 increased overhead in some places. If unsure say N here.
2297
2298config SYS_SUPPORTS_SCHED_SMT
2299 bool
2300
f41ae0b2
RB
2301config SYS_SUPPORTS_MULTITHREADING
2302 bool
2303
f088fc84
RB
2304config MIPS_MT_FPAFF
2305 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 2306 default y
b633648c 2307 depends on MIPS_MT_SMP
07cc0c9e 2308
b0a668fb
LY
2309config MIPSR2_TO_R6_EMULATOR
2310 bool "MIPS R2-to-R6 emulator"
9eaa9a82 2311 depends on CPU_MIPSR6
b0a668fb
LY
2312 default y
2313 help
2314 Choose this option if you want to run non-R6 MIPS userland code.
2315 Even if you say 'Y' here, the emulator will still be disabled by
07edf0d4 2316 default. You can enable it using the 'mipsr2emu' kernel option.
b0a668fb
LY
2317 The only reason this is a build-time option is to save ~14K from the
2318 final kernel image.
b0a668fb 2319
f35764e7
JH
2320config SYS_SUPPORTS_VPE_LOADER
2321 bool
2322 depends on SYS_SUPPORTS_MULTITHREADING
2323 help
2324 Indicates that the platform supports the VPE loader, and provides
2325 physical_memsize.
2326
07cc0c9e
RB
2327config MIPS_VPE_LOADER
2328 bool "VPE loader support."
f35764e7 2329 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
07cc0c9e
RB
2330 select CPU_MIPSR2_IRQ_VI
2331 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
2332 select MIPS_MT
2333 help
2334 Includes a loader for loading an elf relocatable object
2335 onto another VPE and running it.
f088fc84 2336
17a1d523
DCZ
2337config MIPS_VPE_LOADER_CMP
2338 bool
2339 default "y"
2340 depends on MIPS_VPE_LOADER && MIPS_CMP
2341
1a2a6d7e
DCZ
2342config MIPS_VPE_LOADER_MT
2343 bool
2344 default "y"
2345 depends on MIPS_VPE_LOADER && !MIPS_CMP
2346
e01402b1
RB
2347config MIPS_VPE_LOADER_TOM
2348 bool "Load VPE program into memory hidden from linux"
2349 depends on MIPS_VPE_LOADER
2350 default y
2351 help
2352 The loader can use memory that is present but has been hidden from
2353 Linux using the kernel command line option "mem=xxMB". It's up to
2354 you to ensure the amount you put in the option and the space your
2355 program requires is less or equal to the amount physically present.
2356
e01402b1 2357config MIPS_VPE_APSP_API
5e83d430
RB
2358 bool "Enable support for AP/SP API (RTLX)"
2359 depends on MIPS_VPE_LOADER
e01402b1 2360
da615cf6
DCZ
2361config MIPS_VPE_APSP_API_CMP
2362 bool
2363 default "y"
2364 depends on MIPS_VPE_APSP_API && MIPS_CMP
2365
2c973ef0
DCZ
2366config MIPS_VPE_APSP_API_MT
2367 bool
2368 default "y"
2369 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2370
4a16ff4c 2371config MIPS_CMP
5cac93b3 2372 bool "MIPS CMP framework support (DEPRECATED)"
5676319c 2373 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
b10b43ba 2374 select SMP
eb9b5141 2375 select SYNC_R4K
b10b43ba 2376 select SYS_SUPPORTS_SMP
4a16ff4c
RB
2377 select WEAK_ORDERING
2378 default n
2379 help
044505c7
PB
2380 Select this if you are using a bootloader which implements the "CMP
2381 framework" protocol (ie. YAMON) and want your kernel to make use of
2382 its ability to start secondary CPUs.
4a16ff4c 2383
5cac93b3
PB
2384 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2385 instead of this.
2386
0ee958e1
PB
2387config MIPS_CPS
2388 bool "MIPS Coherent Processing System support"
5a3e7c02 2389 depends on SYS_SUPPORTS_MIPS_CPS
0ee958e1 2390 select MIPS_CM
1d8f1f5a 2391 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2392 select SMP
2393 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2394 select SYS_SUPPORTS_HOTPLUG_CPU
c8b7712c 2395 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
0ee958e1
PB
2396 select SYS_SUPPORTS_SMP
2397 select WEAK_ORDERING
2398 help
2399 Select this if you wish to run an SMP kernel across multiple cores
2400 within a MIPS Coherent Processing System. When this option is
2401 enabled the kernel will probe for other cores and boot them with
2402 no external assistance. It is safe to enable this when hardware
2403 support is unavailable.
2404
3179d37e 2405config MIPS_CPS_PM
39a59593 2406 depends on MIPS_CPS
3179d37e
PB
2407 bool
2408
9f98f3dd
PB
2409config MIPS_CM
2410 bool
3c9b4166 2411 select MIPS_CPC
9f98f3dd 2412
9c38cf44
PB
2413config MIPS_CPC
2414 bool
4a16ff4c 2415
1da177e4
LT
2416config SB1_PASS_2_WORKAROUNDS
2417 bool
2418 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2419 default y
2420
2421config SB1_PASS_2_1_WORKAROUNDS
2422 bool
2423 depends on CPU_SB1 && CPU_SB1_PASS_2
2424 default y
2425
2235a54d 2426
9e2b5372
MC
2427choice
2428 prompt "SmartMIPS or microMIPS ASE support"
2429
2430config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2431 bool "None"
2432 help
2433 Select this if you want neither microMIPS nor SmartMIPS support
2434
9693a853
FBH
2435config CPU_HAS_SMARTMIPS
2436 depends on SYS_SUPPORTS_SMARTMIPS
9e2b5372 2437 bool "SmartMIPS"
9693a853
FBH
2438 help
2439 SmartMIPS is a extension of the MIPS32 architecture aimed at
2440 increased security at both hardware and software level for
2441 smartcards. Enabling this option will allow proper use of the
2442 SmartMIPS instructions by Linux applications. However a kernel with
2443 this option will not work on a MIPS core without SmartMIPS core. If
2444 you don't know you probably don't have SmartMIPS and should say N
2445 here.
2446
bce86083 2447config CPU_MICROMIPS
7fd08ca5 2448 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
9e2b5372 2449 bool "microMIPS"
bce86083
SH
2450 help
2451 When this option is enabled the kernel will be built using the
2452 microMIPS ISA
2453
9e2b5372
MC
2454endchoice
2455
a5e9a69e 2456config CPU_HAS_MSA
0ce3417e 2457 bool "Support for the MIPS SIMD Architecture"
a5e9a69e 2458 depends on CPU_SUPPORTS_MSA
2a6cb669 2459 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2460 help
2461 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2462 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2463 is enabled the kernel will support allocating & switching MSA
2464 vector register contexts. If you know that your kernel will only be
2465 running on CPUs which do not support MSA or that your userland will
2466 not be making use of it then you may wish to say N here to reduce
2467 the size & complexity of your kernel.
a5e9a69e
PB
2468
2469 If unsure, say Y.
2470
1da177e4 2471config CPU_HAS_WB
f7062ddb 2472 bool
e01402b1 2473
df0ac8a4
KC
2474config XKS01
2475 bool
2476
8256b17e
FF
2477config CPU_HAS_RIXI
2478 bool
2479
932afdee
YC
2480config CPU_HAS_LOAD_STORE_LR
2481 bool
2482 help
2483 CPU has support for unaligned load and store instructions:
2484 LWL, LWR, SWL, SWR (Load/store word left/right).
2485 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2486
f41ae0b2
RB
2487#
2488# Vectored interrupt mode is an R2 feature
2489#
e01402b1 2490config CPU_MIPSR2_IRQ_VI
f41ae0b2 2491 bool
e01402b1 2492
f41ae0b2
RB
2493#
2494# Extended interrupt mode is an R2 feature
2495#
e01402b1 2496config CPU_MIPSR2_IRQ_EI
f41ae0b2 2497 bool
e01402b1 2498
1da177e4
LT
2499config CPU_HAS_SYNC
2500 bool
2501 depends on !CPU_R3000
2502 default y
2503
20d60d99
MR
2504#
2505# CPU non-features
2506#
2507config CPU_DADDI_WORKAROUNDS
2508 bool
2509
2510config CPU_R4000_WORKAROUNDS
2511 bool
2512 select CPU_R4400_WORKAROUNDS
2513
2514config CPU_R4400_WORKAROUNDS
2515 bool
2516
4edf00a4
PB
2517config MIPS_ASID_SHIFT
2518 int
2519 default 6 if CPU_R3000 || CPU_TX39XX
2520 default 4 if CPU_R8000
2521 default 0
2522
2523config MIPS_ASID_BITS
2524 int
2db003a5 2525 default 0 if MIPS_ASID_BITS_VARIABLE
4edf00a4
PB
2526 default 6 if CPU_R3000 || CPU_TX39XX
2527 default 8
2528
2db003a5
PB
2529config MIPS_ASID_BITS_VARIABLE
2530 bool
2531
4a5dc51e
MN
2532config MIPS_CRC_SUPPORT
2533 bool
2534
1da177e4
LT
2535#
2536# - Highmem only makes sense for the 32-bit kernel.
2537# - The current highmem code will only work properly on physically indexed
2538# caches such as R3000, SB1, R7000 or those that look like they're virtually
2539# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2540# moment we protect the user and offer the highmem option only on machines
2541# where it's known to be safe. This will not offer highmem on a few systems
2542# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2543# indexed CPUs but we're playing safe.
797798c1
RB
2544# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2545# know they might have memory configurations that could make use of highmem
2546# support.
1da177e4
LT
2547#
2548config HIGHMEM
2549 bool "High Memory Support"
a6e18781 2550 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2551
2552config CPU_SUPPORTS_HIGHMEM
2553 bool
2554
2555config SYS_SUPPORTS_HIGHMEM
2556 bool
1da177e4 2557
9693a853
FBH
2558config SYS_SUPPORTS_SMARTMIPS
2559 bool
2560
a6a4834c
SH
2561config SYS_SUPPORTS_MICROMIPS
2562 bool
2563
377cb1b6
RB
2564config SYS_SUPPORTS_MIPS16
2565 bool
2566 help
2567 This option must be set if a kernel might be executed on a MIPS16-
2568 enabled CPU even if MIPS16 is not actually being used. In other
2569 words, it makes the kernel MIPS16-tolerant.
2570
a5e9a69e
PB
2571config CPU_SUPPORTS_MSA
2572 bool
2573
b4819b59
YY
2574config ARCH_FLATMEM_ENABLE
2575 def_bool y
f133f22d 2576 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2577
d8cb4e11
RB
2578config ARCH_DISCONTIGMEM_ENABLE
2579 bool
2580 default y if SGI_IP27
2581 help
3dde6ad8 2582 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2583 for architectures which are either NUMA (Non-Uniform Memory Access)
2584 or have huge holes in the physical address space for other reasons.
ad56b738 2585 See <file:Documentation/vm/numa.rst> for more.
d8cb4e11 2586
31473747
AN
2587config ARCH_SPARSEMEM_ENABLE
2588 bool
7de58fab 2589 select SPARSEMEM_STATIC
31473747 2590
d8cb4e11
RB
2591config NUMA
2592 bool "NUMA Support"
2593 depends on SYS_SUPPORTS_NUMA
2594 help
2595 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2596 Access). This option improves performance on systems with more
2597 than two nodes; on two node systems it is generally better to
2598 leave it disabled; on single node systems disable this option
2599 disabled.
2600
2601config SYS_SUPPORTS_NUMA
2602 bool
2603
8c530ea3
MR
2604config RELOCATABLE
2605 bool "Relocatable kernel"
3ff72be4 2606 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
8c530ea3
MR
2607 help
2608 This builds a kernel image that retains relocation information
2609 so it can be loaded someplace besides the default 1MB.
2610 The relocations make the kernel binary about 15% larger,
2611 but are discarded at runtime
2612
069fd766
MR
2613config RELOCATION_TABLE_SIZE
2614 hex "Relocation table size"
2615 depends on RELOCATABLE
2616 range 0x0 0x01000000
2617 default "0x00100000"
2618 ---help---
2619 A table of relocation data will be appended to the kernel binary
2620 and parsed at boot to fix up the relocated kernel.
2621
2622 This option allows the amount of space reserved for the table to be
2623 adjusted, although the default of 1Mb should be ok in most cases.
2624
2625 The build will fail and a valid size suggested if this is too small.
2626
2627 If unsure, leave at the default value.
2628
405bc8fd
MR
2629config RANDOMIZE_BASE
2630 bool "Randomize the address of the kernel image"
2631 depends on RELOCATABLE
2632 ---help---
2633 Randomizes the physical and virtual address at which the
2634 kernel image is loaded, as a security feature that
2635 deters exploit attempts relying on knowledge of the location
2636 of kernel internals.
2637
2638 Entropy is generated using any coprocessor 0 registers available.
2639
2640 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2641
2642 If unsure, say N.
2643
2644config RANDOMIZE_BASE_MAX_OFFSET
2645 hex "Maximum kASLR offset" if EXPERT
2646 depends on RANDOMIZE_BASE
2647 range 0x0 0x40000000 if EVA || 64BIT
2648 range 0x0 0x08000000
2649 default "0x01000000"
2650 ---help---
2651 When kASLR is active, this provides the maximum offset that will
2652 be applied to the kernel image. It should be set according to the
2653 amount of physical RAM available in the target system minus
2654 PHYSICAL_START and must be a power of 2.
2655
2656 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2657 EVA or 64-bit. The default is 16Mb.
2658
c80d79d7
YG
2659config NODES_SHIFT
2660 int
2661 default "6"
2662 depends on NEED_MULTIPLE_NODES
2663
14f70012
DCZ
2664config HW_PERF_EVENTS
2665 bool "Enable hardware performance counter support for perf events"
23021b2b 2666 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
14f70012
DCZ
2667 default y
2668 help
2669 Enable hardware performance counter support for perf events. If
2670 disabled, perf events will use software events only.
2671
1da177e4
LT
2672config SMP
2673 bool "Multi-Processing support"
e73ea273
RB
2674 depends on SYS_SUPPORTS_SMP
2675 help
1da177e4 2676 This enables support for systems with more than one CPU. If you have
4a474157
RG
2677 a system with only one CPU, say N. If you have a system with more
2678 than one CPU, say Y.
1da177e4 2679
4a474157 2680 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2681 machines, but will use only one CPU of a multiprocessor machine. If
2682 you say Y here, the kernel will run on many, but not all,
4a474157 2683 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2684 will run faster if you say N here.
2685
2686 People using multiprocessor machines who say Y here should also say
2687 Y to "Enhanced Real Time Clock Support", below.
2688
03502faa
AB
2689 See also the SMP-HOWTO available at
2690 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2691
2692 If you don't know what to do here, say N.
2693
7840d618
MR
2694config HOTPLUG_CPU
2695 bool "Support for hot-pluggable CPUs"
2696 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2697 help
2698 Say Y here to allow turning CPUs off and on. CPUs can be
2699 controlled through /sys/devices/system/cpu.
2700 (Note: power management support will enable this option
2701 automatically on SMP systems. )
2702 Say N if you want to disable CPU hotplug.
2703
87353d8a
RB
2704config SMP_UP
2705 bool
2706
4a16ff4c
RB
2707config SYS_SUPPORTS_MIPS_CMP
2708 bool
2709
0ee958e1
PB
2710config SYS_SUPPORTS_MIPS_CPS
2711 bool
2712
e73ea273
RB
2713config SYS_SUPPORTS_SMP
2714 bool
2715
130e2fb7
RB
2716config NR_CPUS_DEFAULT_4
2717 bool
2718
2719config NR_CPUS_DEFAULT_8
2720 bool
2721
2722config NR_CPUS_DEFAULT_16
2723 bool
2724
2725config NR_CPUS_DEFAULT_32
2726 bool
2727
2728config NR_CPUS_DEFAULT_64
2729 bool
2730
1da177e4 2731config NR_CPUS
a91796a9
J
2732 int "Maximum number of CPUs (2-256)"
2733 range 2 256
1da177e4 2734 depends on SMP
130e2fb7
RB
2735 default "4" if NR_CPUS_DEFAULT_4
2736 default "8" if NR_CPUS_DEFAULT_8
2737 default "16" if NR_CPUS_DEFAULT_16
2738 default "32" if NR_CPUS_DEFAULT_32
2739 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2740 help
2741 This allows you to specify the maximum number of CPUs which this
2742 kernel will support. The maximum supported value is 32 for 32-bit
2743 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2744 sense is 1 for Qemu (useful only for kernel debugging purposes)
2745 and 2 for all others.
1da177e4
LT
2746
2747 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2748 approximately eight kilobytes to the kernel image. For best
2749 performance should round up your number of processors to the next
2750 power of two.
1da177e4 2751
399aaa25
AC
2752config MIPS_PERF_SHARED_TC_COUNTERS
2753 bool
7820b84b
DD
2754
2755config MIPS_NR_CPU_NR_MAP_1024
2756 bool
2757
2758config MIPS_NR_CPU_NR_MAP
2759 int
2760 depends on SMP
2761 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2762 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
399aaa25 2763
1723b4a3
AN
2764#
2765# Timer Interrupt Frequency Configuration
2766#
2767
2768choice
2769 prompt "Timer frequency"
2770 default HZ_250
2771 help
2772 Allows the configuration of the timer frequency.
2773
67596573
PB
2774 config HZ_24
2775 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2776
1723b4a3 2777 config HZ_48
0f873585 2778 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2779
2780 config HZ_100
2781 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2782
2783 config HZ_128
2784 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2785
2786 config HZ_250
2787 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2788
2789 config HZ_256
2790 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2791
2792 config HZ_1000
2793 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2794
2795 config HZ_1024
2796 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2797
2798endchoice
2799
67596573
PB
2800config SYS_SUPPORTS_24HZ
2801 bool
2802
1723b4a3
AN
2803config SYS_SUPPORTS_48HZ
2804 bool
2805
2806config SYS_SUPPORTS_100HZ
2807 bool
2808
2809config SYS_SUPPORTS_128HZ
2810 bool
2811
2812config SYS_SUPPORTS_250HZ
2813 bool
2814
2815config SYS_SUPPORTS_256HZ
2816 bool
2817
2818config SYS_SUPPORTS_1000HZ
2819 bool
2820
2821config SYS_SUPPORTS_1024HZ
2822 bool
2823
2824config SYS_SUPPORTS_ARBIT_HZ
2825 bool
67596573
PB
2826 default y if !SYS_SUPPORTS_24HZ && \
2827 !SYS_SUPPORTS_48HZ && \
2828 !SYS_SUPPORTS_100HZ && \
2829 !SYS_SUPPORTS_128HZ && \
2830 !SYS_SUPPORTS_250HZ && \
2831 !SYS_SUPPORTS_256HZ && \
2832 !SYS_SUPPORTS_1000HZ && \
1723b4a3
AN
2833 !SYS_SUPPORTS_1024HZ
2834
2835config HZ
2836 int
67596573 2837 default 24 if HZ_24
1723b4a3
AN
2838 default 48 if HZ_48
2839 default 100 if HZ_100
2840 default 128 if HZ_128
2841 default 250 if HZ_250
2842 default 256 if HZ_256
2843 default 1000 if HZ_1000
2844 default 1024 if HZ_1024
2845
96685b17
DCZ
2846config SCHED_HRTICK
2847 def_bool HIGH_RES_TIMERS
2848
ea6e942b 2849config KEXEC
7d60717e 2850 bool "Kexec system call"
2965faa5 2851 select KEXEC_CORE
ea6e942b
AN
2852 help
2853 kexec is a system call that implements the ability to shutdown your
2854 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2855 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2856 you can start any kernel with it, not just Linux.
2857
01dd2fbf 2858 The name comes from the similarity to the exec system call.
ea6e942b
AN
2859
2860 It is an ongoing process to be certain the hardware in a machine
2861 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2862 initially work for you. As of this writing the exact hardware
2863 interface is strongly in flux, so no good recommendation can be
2864 made.
ea6e942b 2865
7aa1c8f4 2866config CRASH_DUMP
bff323d5
MN
2867 bool "Kernel crash dumps"
2868 help
7aa1c8f4
RB
2869 Generate crash dump after being started by kexec.
2870 This should be normally only set in special crash dump kernels
2871 which are loaded in the main kernel with kexec-tools into
2872 a specially reserved region and then later executed after
2873 a crash by kdump/kexec. The crash dump kernel must be compiled
2874 to a memory address not used by the main kernel or firmware using
2875 PHYSICAL_START.
2876
2877config PHYSICAL_START
bff323d5 2878 hex "Physical address where the kernel is loaded"
8bda3e26 2879 default "0xffffffff84000000"
bff323d5
MN
2880 depends on CRASH_DUMP
2881 help
7aa1c8f4
RB
2882 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2883 If you plan to use kernel for capturing the crash dump change
2884 this value to start of the reserved region (the "X" value as
2885 specified in the "crashkernel=YM@XM" command line boot parameter
2886 passed to the panic-ed kernel).
2887
ea6e942b
AN
2888config SECCOMP
2889 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2890 depends on PROC_FS
ea6e942b
AN
2891 default y
2892 help
2893 This kernel feature is useful for number crunching applications
2894 that may need to compute untrusted bytecode during their
2895 execution. By using pipes or other transports made available to
2896 the process as file descriptors supporting the read/write
2897 syscalls, it's possible to isolate those applications in
2898 their own address space using seccomp. Once seccomp is
2899 enabled via /proc/<pid>/seccomp, it cannot be disabled
2900 and the task is only allowed to execute a few safe syscalls
2901 defined by each seccomp mode.
2902
2903 If unsure, say Y. Only embedded should say N here.
2904
597ce172 2905config MIPS_O32_FP64_SUPPORT
0ce3417e 2906 bool "Support for O32 binaries using 64-bit FP"
597ce172 2907 depends on 32BIT || MIPS32_O32
597ce172
PB
2908 help
2909 When this is enabled, the kernel will support use of 64-bit floating
2910 point registers with binaries using the O32 ABI along with the
2911 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2912 32-bit MIPS systems this support is at the cost of increasing the
2913 size and complexity of the compiled FPU emulator. Thus if you are
2914 running a MIPS32 system and know that none of your userland binaries
2915 will require 64-bit floating point, you may wish to reduce the size
2916 of your kernel & potentially improve FP emulation performance by
2917 saying N here.
2918
06e2e882
PB
2919 Although binutils currently supports use of this flag the details
2920 concerning its effect upon the O32 ABI in userland are still being
2921 worked on. In order to avoid userland becoming dependant upon current
2922 behaviour before the details have been finalised, this option should
2923 be considered experimental and only enabled by those working upon
2924 said details.
2925
2926 If unsure, say N.
597ce172 2927
f2ffa5ab 2928config USE_OF
0b3e06fd 2929 bool
f2ffa5ab 2930 select OF
e6ce1324 2931 select OF_EARLY_FLATTREE
abd2363f 2932 select IRQ_DOMAIN
f2ffa5ab 2933
2fe8ea39
DZ
2934config UHI_BOOT
2935 bool
2936
7fafb068
AB
2937config BUILTIN_DTB
2938 bool
2939
1da8f179 2940choice
5b24d52c 2941 prompt "Kernel appended dtb support" if USE_OF
1da8f179
JG
2942 default MIPS_NO_APPENDED_DTB
2943
2944 config MIPS_NO_APPENDED_DTB
2945 bool "None"
2946 help
2947 Do not enable appended dtb support.
2948
87db537d
AK
2949 config MIPS_ELF_APPENDED_DTB
2950 bool "vmlinux"
2951 help
2952 With this option, the boot code will look for a device tree binary
2953 DTB) included in the vmlinux ELF section .appended_dtb. By default
2954 it is empty and the DTB can be appended using binutils command
2955 objcopy:
2956
2957 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2958
2959 This is meant as a backward compatiblity convenience for those
2960 systems with a bootloader that can't be upgraded to accommodate
2961 the documented boot protocol using a device tree.
2962
1da8f179 2963 config MIPS_RAW_APPENDED_DTB
b8f54f2c 2964 bool "vmlinux.bin or vmlinuz.bin"
1da8f179
JG
2965 help
2966 With this option, the boot code will look for a device tree binary
b8f54f2c 2967 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
1da8f179
JG
2968 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2969
2970 This is meant as a backward compatibility convenience for those
2971 systems with a bootloader that can't be upgraded to accommodate
2972 the documented boot protocol using a device tree.
2973
2974 Beware that there is very little in terms of protection against
2975 this option being confused by leftover garbage in memory that might
2976 look like a DTB header after a reboot if no actual DTB is appended
2977 to vmlinux.bin. Do not leave this option active in a production kernel
2978 if you don't intend to always append a DTB.
2979endchoice
2980
2024972e
JG
2981choice
2982 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2bcef9b4 2983 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3f5f0a44 2984 !MIPS_MALTA && \
2bcef9b4 2985 !CAVIUM_OCTEON_SOC
2024972e
JG
2986 default MIPS_CMDLINE_FROM_BOOTLOADER
2987
2988 config MIPS_CMDLINE_FROM_DTB
2989 depends on USE_OF
2990 bool "Dtb kernel arguments if available"
2991
2992 config MIPS_CMDLINE_DTB_EXTEND
2993 depends on USE_OF
2994 bool "Extend dtb kernel arguments with bootloader arguments"
2995
2996 config MIPS_CMDLINE_FROM_BOOTLOADER
2997 bool "Bootloader kernel arguments if available"
ed47e153
RV
2998
2999 config MIPS_CMDLINE_BUILTIN_EXTEND
3000 depends on CMDLINE_BOOL
3001 bool "Extend builtin kernel arguments with bootloader arguments"
2024972e
JG
3002endchoice
3003
5e83d430
RB
3004endmenu
3005
1df0f0ff
AN
3006config LOCKDEP_SUPPORT
3007 bool
3008 default y
3009
3010config STACKTRACE_SUPPORT
3011 bool
3012 default y
3013
e1e16115
AK
3014config HAVE_LATENCYTOP_SUPPORT
3015 bool
3016 default y
3017
a728ab52
KS
3018config PGTABLE_LEVELS
3019 int
3377e227 3020 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
a728ab52
KS
3021 default 3 if 64BIT && !PAGE_SIZE_64KB
3022 default 2
3023
6c359eb1
PB
3024config MIPS_AUTO_PFN_OFFSET
3025 bool
3026
1da177e4
LT
3027menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3028
5e83d430
RB
3029config HW_HAS_EISA
3030 bool
1da177e4
LT
3031config HW_HAS_PCI
3032 bool
3033
3034config PCI
3035 bool "Support for PCI controller"
3036 depends on HW_HAS_PCI
abb4ae46 3037 select PCI_DOMAINS
1da177e4
LT
3038 help
3039 Find out whether you have a PCI motherboard. PCI is the name of a
3040 bus system, i.e. the way the CPU talks to the other stuff inside
3041 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
3042 say Y, otherwise N.
3043
0e476d91
HC
3044config HT_PCI
3045 bool "Support for HT-linked PCI"
3046 default y
3047 depends on CPU_LOONGSON3
3048 select PCI
3049 select PCI_DOMAINS
3050 help
3051 Loongson family machines use Hyper-Transport bus for inter-core
3052 connection and device connection. The PCI bus is a subordinate
3053 linked at HT. Choose Y for Loongson-3 based machines.
3054
1da177e4
LT
3055config PCI_DOMAINS
3056 bool
1da177e4 3057
88555b48
PB
3058config PCI_DOMAINS_GENERIC
3059 bool
3060
c5611df9 3061config PCI_DRIVERS_GENERIC
87dd9a4d 3062 select PCI_DOMAINS_GENERIC if PCI_DOMAINS
c5611df9
PB
3063 bool
3064
3065config PCI_DRIVERS_LEGACY
3066 def_bool !PCI_DRIVERS_GENERIC
3067 select NO_GENERIC_PCI_IOPORT_MAP
3068
1da177e4
LT
3069source "drivers/pci/Kconfig"
3070
3071#
3072# ISA support is now enabled via select. Too many systems still have the one
3073# or other ISA chip on the board that users don't know about so don't expect
3074# users to choose the right thing ...
3075#
3076config ISA
3077 bool
3078
3079config EISA
3080 bool "EISA support"
5e83d430 3081 depends on HW_HAS_EISA
1da177e4 3082 select ISA
aa414dff 3083 select GENERIC_ISA_DMA
1da177e4
LT
3084 ---help---
3085 The Extended Industry Standard Architecture (EISA) bus was
3086 developed as an open alternative to the IBM MicroChannel bus.
3087
3088 The EISA bus provided some of the features of the IBM MicroChannel
3089 bus while maintaining backward compatibility with cards made for
3090 the older ISA bus. The EISA bus saw limited use between 1988 and
3091 1995 when it was made obsolete by the PCI bus.
3092
3093 Say Y here if you are building a kernel for an EISA-based machine.
3094
3095 Otherwise, say N.
3096
3097source "drivers/eisa/Kconfig"
3098
3099config TC
3100 bool "TURBOchannel support"
3101 depends on MACH_DECSTATION
3102 help
50a23e6e
JM
3103 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3104 processors. TURBOchannel programming specifications are available
3105 at:
3106 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3107 and:
3108 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3109 Linux driver support status is documented at:
3110 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 3111
1da177e4
LT
3112config MMU
3113 bool
3114 default y
3115
109c32ff
MR
3116config ARCH_MMAP_RND_BITS_MIN
3117 default 12 if 64BIT
3118 default 8
3119
3120config ARCH_MMAP_RND_BITS_MAX
3121 default 18 if 64BIT
3122 default 15
3123
3124config ARCH_MMAP_RND_COMPAT_BITS_MIN
3125 default 8
3126
3127config ARCH_MMAP_RND_COMPAT_BITS_MAX
3128 default 15
3129
d865bea4
RB
3130config I8253
3131 bool
798778b8 3132 select CLKSRC_I8253
2d02612f 3133 select CLKEVT_I8253
9726b43a 3134 select MIPS_EXTERNAL_TIMER
d865bea4 3135
e05eb3f8
RB
3136config ZONE_DMA
3137 bool
3138
cce335ae
RB
3139config ZONE_DMA32
3140 bool
3141
1da177e4
LT
3142source "drivers/pcmcia/Kconfig"
3143
fc5d9888
AS
3144config HAS_RAPIDIO
3145 bool
3146 default n
3147
388b78ad 3148config RAPIDIO
56abde72 3149 tristate "RapidIO support"
fc5d9888 3150 depends on HAS_RAPIDIO || PCI
388b78ad
AB
3151 help
3152 If you say Y here, the kernel will include drivers and
3153 infrastructure code to support RapidIO interconnect devices.
3154
3155source "drivers/rapidio/Kconfig"
3156
1da177e4
LT
3157endmenu
3158
1da177e4
LT
3159config TRAD_SIGNALS
3160 bool
1da177e4 3161
1da177e4 3162config MIPS32_COMPAT
78aaf956 3163 bool
1da177e4
LT
3164
3165config COMPAT
3166 bool
1da177e4 3167
05e43966
AN
3168config SYSVIPC_COMPAT
3169 bool
05e43966 3170
1da177e4
LT
3171config MIPS32_O32
3172 bool "Kernel support for o32 binaries"
78aaf956
RB
3173 depends on 64BIT
3174 select ARCH_WANT_OLD_COMPAT_IPC
3175 select COMPAT
3176 select MIPS32_COMPAT
3177 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3178 help
3179 Select this option if you want to run o32 binaries. These are pure
3180 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3181 existing binaries are in this format.
3182
3183 If unsure, say Y.
3184
3185config MIPS32_N32
3186 bool "Kernel support for n32 binaries"
c22eacfe 3187 depends on 64BIT
78aaf956
RB
3188 select COMPAT
3189 select MIPS32_COMPAT
3190 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3191 help
3192 Select this option if you want to run n32 binaries. These are
3193 64-bit binaries using 32-bit quantities for addressing and certain
3194 data that would normally be 64-bit. They are used in special
3195 cases.
3196
3197 If unsure, say N.
3198
3199config BINFMT_ELF32
3200 bool
3201 default y if MIPS32_O32 || MIPS32_N32
f43edca7 3202 select ELFCORE
1da177e4 3203
2116245e
RB
3204menu "Power management options"
3205
363c55ca
WZ
3206config ARCH_HIBERNATION_POSSIBLE
3207 def_bool y
3f5b3e17 3208 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 3209
f4cb5700
JB
3210config ARCH_SUSPEND_POSSIBLE
3211 def_bool y
3f5b3e17 3212 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 3213
2116245e 3214source "kernel/power/Kconfig"
952fa954 3215
1da177e4
LT
3216endmenu
3217
7a998935
VK
3218config MIPS_EXTERNAL_TIMER
3219 bool
3220
7a998935 3221menu "CPU Power Management"
c095ebaf
PB
3222
3223if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 3224source "drivers/cpufreq/Kconfig"
7a998935 3225endif
9726b43a 3226
c095ebaf
PB
3227source "drivers/cpuidle/Kconfig"
3228
3229endmenu
3230
98cdee0e
RB
3231source "drivers/firmware/Kconfig"
3232
2235a54d 3233source "arch/mips/kvm/Kconfig"