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b2441318 1# SPDX-License-Identifier: GPL-2.0
1da177e4
LT
2config MIPS
3 bool
4 default y
942fa985 5 select ARCH_32BIT_OFF_T if !64BIT
ea6a3737 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
12597988 7 select ARCH_CLOCKSOURCE_DATA
12597988 8 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
1e35918a 9 select ARCH_HAS_UBSAN_SANITIZE_ALL
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
9035bd29 15 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
12597988
MR
16 select ARCH_WANT_IPC_PARSE_VERSION
17 select BUILDTIME_EXTABLE_SORT
18 select CLONE_BACKWARDS
57eeaced 19 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
12597988
MR
20 select CPU_PM if CPU_IDLE
21 select GENERIC_ATOMIC64 if !64BIT
22 select GENERIC_CLOCKEVENTS
23 select GENERIC_CMOS_UPDATE
24 select GENERIC_CPU_AUTOPROBE
24640f23 25 select GENERIC_GETTIMEOFDAY
b962aeb0 26 select GENERIC_IOMAP
12597988
MR
27 select GENERIC_IRQ_PROBE
28 select GENERIC_IRQ_SHOW
6630a8e5 29 select GENERIC_ISA_DMA if EISA
740129b3
AP
30 select GENERIC_LIB_ASHLDI3
31 select GENERIC_LIB_ASHRDI3
32 select GENERIC_LIB_CMPDI2
33 select GENERIC_LIB_LSHRDI3
34 select GENERIC_LIB_UCMPDI2
12597988
MR
35 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
36 select GENERIC_SMP_IDLE_THREAD
37 select GENERIC_TIME_VSYSCALL
446f062b 38 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
12597988 39 select HANDLE_DOMAIN_IRQ
906d441f 40 select HAVE_ARCH_COMPILER_H
12597988 41 select HAVE_ARCH_JUMP_LABEL
88547001 42 select HAVE_ARCH_KGDB
109c32ff
MR
43 select HAVE_ARCH_MMAP_RND_BITS if MMU
44 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
490b004f 45 select HAVE_ARCH_SECCOMP_FILTER
c0ff3c53 46 select HAVE_ARCH_TRACEHOOK
45e03e62 47 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
2ff2b7ec 48 select HAVE_ASM_MODVERSIONS
101ae36f 49 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
a90a5a62 50 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
12597988
MR
51 select HAVE_CONTEXT_TRACKING
52 select HAVE_COPY_THREAD_TLS
53 select HAVE_C_RECORDMCOUNT
54 select HAVE_DEBUG_KMEMLEAK
55 select HAVE_DEBUG_STACKOVERFLOW
12597988 56 select HAVE_DMA_CONTIGUOUS
538f1952 57 select HAVE_DYNAMIC_FTRACE
12597988 58 select HAVE_EXIT_THREAD
67a929e0 59 select HAVE_FAST_GUP
538f1952 60 select HAVE_FTRACE_MCOUNT_RECORD
29c5d346 61 select HAVE_FUNCTION_GRAPH_TRACER
12597988 62 select HAVE_FUNCTION_TRACER
12597988 63 select HAVE_IDE
b3a428b4 64 select HAVE_IOREMAP_PROT
12597988
MR
65 select HAVE_IRQ_EXIT_ON_IRQ_STACK
66 select HAVE_IRQ_TIME_ACCOUNTING
c1bf207d
DD
67 select HAVE_KPROBES
68 select HAVE_KRETPROBES
c0436b50 69 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
9d15ffc8 70 select HAVE_MEMBLOCK_NODE_MAP
786d35d4 71 select HAVE_MOD_ARCH_SPECIFIC
42a0bb3f 72 select HAVE_NMI
12597988
MR
73 select HAVE_OPROFILE
74 select HAVE_PERF_EVENTS
75 select HAVE_REGS_AND_STACK_ACCESS_API
9ea141ad 76 select HAVE_RSEQ
d148eac0 77 select HAVE_STACKPROTECTOR
12597988 78 select HAVE_SYSCALL_TRACEPOINTS
a3f14310 79 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
24640f23 80 select HAVE_GENERIC_VDSO
12597988 81 select IRQ_FORCED_THREADING
6630a8e5 82 select ISA if EISA
2f12fb20 83 select MODULES_USE_ELF_RELA if MODULES && 64BIT
12597988
MR
84 select MODULES_USE_ELF_REL if MODULES
85 select PERF_USE_VMALLOC
05a0a344 86 select RTC_LIB
d79d853d 87 select SYSCTL_EXCEPTION_TRACE
12597988 88 select VIRT_TO_BUS
d1af2ab3 89 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
1da177e4 90
1da177e4
LT
91menu "Machine selection"
92
5e83d430
RB
93choice
94 prompt "System type"
d41e6858 95 default MIPS_GENERIC
1da177e4 96
eed0eabd
PB
97config MIPS_GENERIC
98 bool "Generic board-agnostic MIPS kernel"
99 select BOOT_RAW
100 select BUILTIN_DTB
101 select CEVT_R4K
102 select CLKSRC_MIPS_GIC
103 select COMMON_CLK
104 select CPU_MIPSR2_IRQ_VI
105 select CPU_MIPSR2_IRQ_EI
106 select CSRC_R4K
107 select DMA_PERDEV_COHERENT
eb01d42a 108 select HAVE_PCI
eed0eabd
PB
109 select IRQ_MIPS_CPU
110 select LIBFDT
0211d49e 111 select MIPS_AUTO_PFN_OFFSET
eed0eabd
PB
112 select MIPS_CPU_SCACHE
113 select MIPS_GIC
114 select MIPS_L1_CACHE_SHIFT_7
115 select NO_EXCEPT_FILL
116 select PCI_DRIVERS_GENERIC
117 select PINCTRL
118 select SMP_UP if SMP
a3078e59 119 select SWAP_IO_SPACE
eed0eabd
PB
120 select SYS_HAS_CPU_MIPS32_R1
121 select SYS_HAS_CPU_MIPS32_R2
122 select SYS_HAS_CPU_MIPS32_R6
123 select SYS_HAS_CPU_MIPS64_R1
124 select SYS_HAS_CPU_MIPS64_R2
125 select SYS_HAS_CPU_MIPS64_R6
126 select SYS_SUPPORTS_32BIT_KERNEL
127 select SYS_SUPPORTS_64BIT_KERNEL
128 select SYS_SUPPORTS_BIG_ENDIAN
129 select SYS_SUPPORTS_HIGHMEM
130 select SYS_SUPPORTS_LITTLE_ENDIAN
131 select SYS_SUPPORTS_MICROMIPS
132 select SYS_SUPPORTS_MIPS_CPS
133 select SYS_SUPPORTS_MIPS16
134 select SYS_SUPPORTS_MULTITHREADING
135 select SYS_SUPPORTS_RELOCATABLE
136 select SYS_SUPPORTS_SMARTMIPS
2e6522c5
CL
137 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
138 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
139 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
140 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
141 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
142 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
eed0eabd 143 select USE_OF
2fe8ea39 144 select UHI_BOOT
eed0eabd
PB
145 help
146 Select this to build a kernel which aims to support multiple boards,
147 generally using a flattened device tree passed from the bootloader
148 using the boot protocol defined in the UHI (Unified Hosting
149 Interface) specification.
150
42a4f17d 151config MIPS_ALCHEMY
c3543e25 152 bool "Alchemy processor based machines"
d4a451d5 153 select PHYS_ADDR_T_64BIT
f772cdb2 154 select CEVT_R4K
d7ea335c 155 select CSRC_R4K
67e38cf2 156 select IRQ_MIPS_CPU
88e9a93c 157 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
42a4f17d
ML
158 select SYS_HAS_CPU_MIPS32_R1
159 select SYS_SUPPORTS_32BIT_KERNEL
160 select SYS_SUPPORTS_APM_EMULATION
d30a2b47 161 select GPIOLIB
1b93b3c3 162 select SYS_SUPPORTS_ZBOOT
47440229 163 select COMMON_CLK
1da177e4 164
7ca5dc14
FF
165config AR7
166 bool "Texas Instruments AR7"
167 select BOOT_ELF32
168 select DMA_NONCOHERENT
169 select CEVT_R4K
170 select CSRC_R4K
67e38cf2 171 select IRQ_MIPS_CPU
7ca5dc14
FF
172 select NO_EXCEPT_FILL
173 select SWAP_IO_SPACE
174 select SYS_HAS_CPU_MIPS32_R1
175 select SYS_HAS_EARLY_PRINTK
176 select SYS_SUPPORTS_32BIT_KERNEL
177 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 178 select SYS_SUPPORTS_MIPS16
1b93b3c3 179 select SYS_SUPPORTS_ZBOOT_UART16550
d30a2b47 180 select GPIOLIB
7ca5dc14 181 select VLYNQ
8551fb64 182 select HAVE_CLK
7ca5dc14
FF
183 help
184 Support for the Texas Instruments AR7 System-on-a-Chip
185 family: TNETD7100, 7200 and 7300.
186
43cc739f
SR
187config ATH25
188 bool "Atheros AR231x/AR531x SoC support"
189 select CEVT_R4K
190 select CSRC_R4K
191 select DMA_NONCOHERENT
67e38cf2 192 select IRQ_MIPS_CPU
1753e74e 193 select IRQ_DOMAIN
43cc739f
SR
194 select SYS_HAS_CPU_MIPS32_R1
195 select SYS_SUPPORTS_BIG_ENDIAN
196 select SYS_SUPPORTS_32BIT_KERNEL
8aaa7278 197 select SYS_HAS_EARLY_PRINTK
43cc739f
SR
198 help
199 Support for Atheros AR231x and Atheros AR531x based boards
200
d4a67d9d
GJ
201config ATH79
202 bool "Atheros AR71XX/AR724X/AR913X based boards"
ff591a91 203 select ARCH_HAS_RESET_CONTROLLER
d4a67d9d
GJ
204 select BOOT_RAW
205 select CEVT_R4K
206 select CSRC_R4K
207 select DMA_NONCOHERENT
d30a2b47 208 select GPIOLIB
a08227a2 209 select PINCTRL
94638067 210 select HAVE_CLK
411520af 211 select COMMON_CLK
2c4f1ac5 212 select CLKDEV_LOOKUP
67e38cf2 213 select IRQ_MIPS_CPU
d4a67d9d
GJ
214 select SYS_HAS_CPU_MIPS32_R2
215 select SYS_HAS_EARLY_PRINTK
216 select SYS_SUPPORTS_32BIT_KERNEL
217 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 218 select SYS_SUPPORTS_MIPS16
b3f0a250 219 select SYS_SUPPORTS_ZBOOT_UART_PROM
03c8c407 220 select USE_OF
53d473fc 221 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
d4a67d9d
GJ
222 help
223 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
224
5f2d4459
KC
225config BMIPS_GENERIC
226 bool "Broadcom Generic BMIPS kernel"
d59098a0
CH
227 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
228 select ARCH_HAS_PHYS_TO_DMA
d666cd02
KC
229 select BOOT_RAW
230 select NO_EXCEPT_FILL
231 select USE_OF
232 select CEVT_R4K
233 select CSRC_R4K
234 select SYNC_R4K
235 select COMMON_CLK
c7c42ec2 236 select BCM6345_L1_IRQ
60b858f2
KC
237 select BCM7038_L1_IRQ
238 select BCM7120_L2_IRQ
239 select BRCMSTB_L2_IRQ
67e38cf2 240 select IRQ_MIPS_CPU
60b858f2 241 select DMA_NONCOHERENT
d666cd02 242 select SYS_SUPPORTS_32BIT_KERNEL
60b858f2 243 select SYS_SUPPORTS_LITTLE_ENDIAN
d666cd02
KC
244 select SYS_SUPPORTS_BIG_ENDIAN
245 select SYS_SUPPORTS_HIGHMEM
60b858f2
KC
246 select SYS_HAS_CPU_BMIPS32_3300
247 select SYS_HAS_CPU_BMIPS4350
248 select SYS_HAS_CPU_BMIPS4380
d666cd02
KC
249 select SYS_HAS_CPU_BMIPS5000
250 select SWAP_IO_SPACE
60b858f2
KC
251 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
252 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
253 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
254 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
4dc4704c 255 select HARDIRQS_SW_RESEND
d666cd02 256 help
5f2d4459
KC
257 Build a generic DT-based kernel image that boots on select
258 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
259 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
260 must be set appropriately for your board.
d666cd02 261
1c0c13eb 262config BCM47XX
c619366e 263 bool "Broadcom BCM47XX based boards"
fe08f8c2 264 select BOOT_RAW
42f77542 265 select CEVT_R4K
940f6b48 266 select CSRC_R4K
1c0c13eb 267 select DMA_NONCOHERENT
eb01d42a 268 select HAVE_PCI
67e38cf2 269 select IRQ_MIPS_CPU
314878d2 270 select SYS_HAS_CPU_MIPS32_R1
dd54dedd 271 select NO_EXCEPT_FILL
1c0c13eb
AJ
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 274 select SYS_SUPPORTS_MIPS16
6507831f 275 select SYS_SUPPORTS_ZBOOT
25e5fb97 276 select SYS_HAS_EARLY_PRINTK
e6086557 277 select USE_GENERIC_EARLY_PRINTK_8250
c949c0bc
RM
278 select GPIOLIB
279 select LEDS_GPIO_REGISTER
f6e734a8 280 select BCM47XX_NVRAM
2ab71a02 281 select BCM47XX_SPROM
dfe00495 282 select BCM47XX_SSB if !BCM47XX_BCMA
1c0c13eb 283 help
371a4151 284 Support for BCM47XX based boards
1c0c13eb 285
e7300d04
MB
286config BCM63XX
287 bool "Broadcom BCM63XX based boards"
ae8de61c 288 select BOOT_RAW
e7300d04
MB
289 select CEVT_R4K
290 select CSRC_R4K
fc264022 291 select SYNC_R4K
e7300d04 292 select DMA_NONCOHERENT
67e38cf2 293 select IRQ_MIPS_CPU
e7300d04
MB
294 select SYS_SUPPORTS_32BIT_KERNEL
295 select SYS_SUPPORTS_BIG_ENDIAN
296 select SYS_HAS_EARLY_PRINTK
2280430e
RD
297 select SYS_HAS_CPU_BMIPS32_3300
298 select SYS_HAS_CPU_BMIPS4350
299 select SYS_HAS_CPU_BMIPS4380
e7300d04 300 select SWAP_IO_SPACE
d30a2b47 301 select GPIOLIB
3e82eeeb 302 select HAVE_CLK
af2418be 303 select MIPS_L1_CACHE_SHIFT_4
c5af3c2d 304 select CLKDEV_LOOKUP
e7300d04 305 help
371a4151 306 Support for BCM63XX based boards
e7300d04 307
1da177e4 308config MIPS_COBALT
3fa986fa 309 bool "Cobalt Server"
42f77542 310 select CEVT_R4K
940f6b48 311 select CSRC_R4K
1097c6ac 312 select CEVT_GT641XX
1da177e4 313 select DMA_NONCOHERENT
eb01d42a 314 select FORCE_PCI
d865bea4 315 select I8253
1da177e4 316 select I8259
67e38cf2 317 select IRQ_MIPS_CPU
d5ab1a69 318 select IRQ_GT641XX
252161ec 319 select PCI_GT64XXX_PCI0
7cf8053b 320 select SYS_HAS_CPU_NEVADA
0a22e0d4 321 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 322 select SYS_SUPPORTS_32BIT_KERNEL
0e8774b6 323 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 324 select SYS_SUPPORTS_LITTLE_ENDIAN
e6086557 325 select USE_GENERIC_EARLY_PRINTK_8250
1da177e4
LT
326
327config MACH_DECSTATION
3fa986fa 328 bool "DECstations"
1da177e4 329 select BOOT_ELF32
6457d9fc 330 select CEVT_DS1287
81d10bad 331 select CEVT_R4K if CPU_R4X00
4247417d 332 select CSRC_IOASIC
81d10bad 333 select CSRC_R4K if CPU_R4X00
20d60d99
MR
334 select CPU_DADDI_WORKAROUNDS if 64BIT
335 select CPU_R4000_WORKAROUNDS if 64BIT
336 select CPU_R4400_WORKAROUNDS if 64BIT
1da177e4 337 select DMA_NONCOHERENT
ce816fa8 338 select NO_IOPORT_MAP
67e38cf2 339 select IRQ_MIPS_CPU
7cf8053b
RB
340 select SYS_HAS_CPU_R3000
341 select SYS_HAS_CPU_R4X00
ed5ba2fb 342 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 343 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 344 select SYS_SUPPORTS_LITTLE_ENDIAN
1723b4a3
AN
345 select SYS_SUPPORTS_128HZ
346 select SYS_SUPPORTS_256HZ
347 select SYS_SUPPORTS_1024HZ
930beb5a 348 select MIPS_L1_CACHE_SHIFT_4
5e83d430 349 help
1da177e4
LT
350 This enables support for DEC's MIPS based workstations. For details
351 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
352 DECstation porting pages on <http://decstation.unix-ag.org/>.
353
354 If you have one of the following DECstation Models you definitely
355 want to choose R4xx0 for the CPU Type:
356
9308816c
RB
357 DECstation 5000/50
358 DECstation 5000/150
359 DECstation 5000/260
360 DECsystem 5900/260
1da177e4
LT
361
362 otherwise choose R3000.
363
5e83d430 364config MACH_JAZZ
3fa986fa 365 bool "Jazz family of machines"
a211a082 366 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 367 select ARCH_MIGHT_HAVE_PC_SERIO
0e2794b0
RB
368 select FW_ARC
369 select FW_ARC32
5e83d430 370 select ARCH_MAY_HAVE_PC_FDC
42f77542 371 select CEVT_R4K
940f6b48 372 select CSRC_R4K
e2defae5 373 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
5e83d430 374 select GENERIC_ISA_DMA
8a118c38 375 select HAVE_PCSPKR_PLATFORM
67e38cf2 376 select IRQ_MIPS_CPU
d865bea4 377 select I8253
5e83d430
RB
378 select I8259
379 select ISA
7cf8053b 380 select SYS_HAS_CPU_R4X00
5e83d430 381 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 382 select SYS_SUPPORTS_64BIT_KERNEL
1723b4a3 383 select SYS_SUPPORTS_100HZ
1da177e4 384 help
371a4151
EWI
385 This a family of machines based on the MIPS R4030 chipset which was
386 used by several vendors to build RISC/os and Windows NT workstations.
387 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
388 Olivetti M700-10 workstations.
5e83d430 389
de361e8b
PB
390config MACH_INGENIC
391 bool "Ingenic SoC based machines"
5ebabe59
LPC
392 select SYS_SUPPORTS_32BIT_KERNEL
393 select SYS_SUPPORTS_LITTLE_ENDIAN
f9c9affc 394 select SYS_SUPPORTS_ZBOOT_UART16550
b35d2653 395 select CPU_SUPPORTS_HUGEPAGES
5ebabe59 396 select DMA_NONCOHERENT
67e38cf2 397 select IRQ_MIPS_CPU
37b4c3ca 398 select PINCTRL
d30a2b47 399 select GPIOLIB
ff1930c6 400 select COMMON_CLK
83bc7692 401 select GENERIC_IRQ_CHIP
15205fc0 402 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
ffb1843d 403 select USE_OF
6ec127fb 404 select LIBFDT
5ebabe59 405
171bb2f1
JC
406config LANTIQ
407 bool "Lantiq based platforms"
408 select DMA_NONCOHERENT
67e38cf2 409 select IRQ_MIPS_CPU
171bb2f1
JC
410 select CEVT_R4K
411 select CSRC_R4K
412 select SYS_HAS_CPU_MIPS32_R1
413 select SYS_HAS_CPU_MIPS32_R2
414 select SYS_SUPPORTS_BIG_ENDIAN
415 select SYS_SUPPORTS_32BIT_KERNEL
377cb1b6 416 select SYS_SUPPORTS_MIPS16
171bb2f1 417 select SYS_SUPPORTS_MULTITHREADING
f35764e7 418 select SYS_SUPPORTS_VPE_LOADER
171bb2f1 419 select SYS_HAS_EARLY_PRINTK
d30a2b47 420 select GPIOLIB
171bb2f1
JC
421 select SWAP_IO_SPACE
422 select BOOT_RAW
287e3f3f 423 select CLKDEV_LOOKUP
a0392222 424 select USE_OF
3f8c50c9
JC
425 select PINCTRL
426 select PINCTRL_LANTIQ
c530781c
JC
427 select ARCH_HAS_RESET_CONTROLLER
428 select RESET_CONTROLLER
171bb2f1 429
1f21d2bd
BM
430config LASAT
431 bool "LASAT Networks platforms"
42f77542 432 select CEVT_R4K
16f0bbbc 433 select CRC32
940f6b48 434 select CSRC_R4K
1f21d2bd
BM
435 select DMA_NONCOHERENT
436 select SYS_HAS_EARLY_PRINTK
eb01d42a 437 select HAVE_PCI
67e38cf2 438 select IRQ_MIPS_CPU
1f21d2bd
BM
439 select PCI_GT64XXX_PCI0
440 select MIPS_NILE4
441 select R5000_CPU_SCACHE
442 select SYS_HAS_CPU_R5000
443 select SYS_SUPPORTS_32BIT_KERNEL
444 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
445 select SYS_SUPPORTS_LITTLE_ENDIAN
1f21d2bd 446
30ad29bb
HC
447config MACH_LOONGSON32
448 bool "Loongson-1 family of machines"
c7e8c668 449 select SYS_SUPPORTS_ZBOOT
ade299d8 450 help
30ad29bb 451 This enables support for the Loongson-1 family of machines.
85749d24 452
30ad29bb
HC
453 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
454 the Institute of Computing Technology (ICT), Chinese Academy of
455 Sciences (CAS).
ade299d8 456
30ad29bb
HC
457config MACH_LOONGSON64
458 bool "Loongson-2/3 family of machines"
ca585cf9
KC
459 select SYS_SUPPORTS_ZBOOT
460 help
30ad29bb 461 This enables the support of Loongson-2/3 family of machines.
ca585cf9 462
30ad29bb
HC
463 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
464 family of multi-core CPUs. They are both 64-bit general-purpose
465 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
466 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
467 in the People's Republic of China. The chief architect is Professor
468 Weiwu Hu.
ca585cf9 469
6a438309
AB
470config MACH_PISTACHIO
471 bool "IMG Pistachio SoC based boards"
6a438309
AB
472 select BOOT_ELF32
473 select BOOT_RAW
474 select CEVT_R4K
475 select CLKSRC_MIPS_GIC
476 select COMMON_CLK
477 select CSRC_R4K
645c7827 478 select DMA_NONCOHERENT
d30a2b47 479 select GPIOLIB
67e38cf2 480 select IRQ_MIPS_CPU
6a438309
AB
481 select LIBFDT
482 select MFD_SYSCON
483 select MIPS_CPU_SCACHE
484 select MIPS_GIC
485 select PINCTRL
486 select REGULATOR
487 select SYS_HAS_CPU_MIPS32_R2
488 select SYS_SUPPORTS_32BIT_KERNEL
489 select SYS_SUPPORTS_LITTLE_ENDIAN
490 select SYS_SUPPORTS_MIPS_CPS
491 select SYS_SUPPORTS_MULTITHREADING
41cc07be 492 select SYS_SUPPORTS_RELOCATABLE
6a438309 493 select SYS_SUPPORTS_ZBOOT
018f62ee
EG
494 select SYS_HAS_EARLY_PRINTK
495 select USE_GENERIC_EARLY_PRINTK_8250
6a438309
AB
496 select USE_OF
497 help
498 This enables support for the IMG Pistachio SoC platform.
499
1da177e4 500config MIPS_MALTA
3fa986fa 501 bool "MIPS Malta board"
61ed242d 502 select ARCH_MAY_HAVE_PC_FDC
a211a082 503 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 504 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 505 select BOOT_ELF32
fa71c960 506 select BOOT_RAW
e8823d26 507 select BUILTIN_DTB
42f77542 508 select CEVT_R4K
fa5635a2 509 select CLKSRC_MIPS_GIC
42b002ab 510 select COMMON_CLK
47bf2b03 511 select CSRC_R4K
885014bc 512 select DMA_MAYBE_COHERENT
1da177e4 513 select GENERIC_ISA_DMA
8a118c38 514 select HAVE_PCSPKR_PLATFORM
eb01d42a 515 select HAVE_PCI
d865bea4 516 select I8253
1da177e4 517 select I8259
47bf2b03
MK
518 select IRQ_MIPS_CPU
519 select LIBFDT
5e83d430 520 select MIPS_BONITO64
9318c51a 521 select MIPS_CPU_SCACHE
47bf2b03 522 select MIPS_GIC
a7ef1ead 523 select MIPS_L1_CACHE_SHIFT_6
5e83d430 524 select MIPS_MSC
47bf2b03 525 select PCI_GT64XXX_PCI0
ecafe3e9 526 select SMP_UP if SMP
1da177e4 527 select SWAP_IO_SPACE
7cf8053b
RB
528 select SYS_HAS_CPU_MIPS32_R1
529 select SYS_HAS_CPU_MIPS32_R2
bfc3c5a6 530 select SYS_HAS_CPU_MIPS32_R3_5
c5b36783 531 select SYS_HAS_CPU_MIPS32_R5
575509b6 532 select SYS_HAS_CPU_MIPS32_R6
7cf8053b 533 select SYS_HAS_CPU_MIPS64_R1
5d9fbed1 534 select SYS_HAS_CPU_MIPS64_R2
575509b6 535 select SYS_HAS_CPU_MIPS64_R6
7cf8053b
RB
536 select SYS_HAS_CPU_NEVADA
537 select SYS_HAS_CPU_RM7000
ed5ba2fb
YY
538 select SYS_SUPPORTS_32BIT_KERNEL
539 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 540 select SYS_SUPPORTS_BIG_ENDIAN
c5b36783 541 select SYS_SUPPORTS_HIGHMEM
5e83d430 542 select SYS_SUPPORTS_LITTLE_ENDIAN
424ebcdf 543 select SYS_SUPPORTS_MICROMIPS
47bf2b03 544 select SYS_SUPPORTS_MIPS16
0365070f 545 select SYS_SUPPORTS_MIPS_CMP
e56b6aa6 546 select SYS_SUPPORTS_MIPS_CPS
f41ae0b2 547 select SYS_SUPPORTS_MULTITHREADING
47bf2b03 548 select SYS_SUPPORTS_RELOCATABLE
9693a853 549 select SYS_SUPPORTS_SMARTMIPS
f35764e7 550 select SYS_SUPPORTS_VPE_LOADER
1b93b3c3 551 select SYS_SUPPORTS_ZBOOT
e8823d26 552 select USE_OF
abcc82b1 553 select ZONE_DMA32 if 64BIT
1da177e4 554 help
f638d197 555 This enables support for the MIPS Technologies Malta evaluation
1da177e4
LT
556 board.
557
2572f00d
JH
558config MACH_PIC32
559 bool "Microchip PIC32 Family"
560 help
561 This enables support for the Microchip PIC32 family of platforms.
562
563 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
564 microcontrollers.
565
a83860c2
RB
566config NEC_MARKEINS
567 bool "NEC EMMA2RH Mark-eins board"
568 select SOC_EMMA2RH
eb01d42a 569 select HAVE_PCI
a83860c2
RB
570 help
571 This enables support for the NEC Electronics Mark-eins boards.
ade299d8 572
5e83d430 573config MACH_VR41XX
74142d65 574 bool "NEC VR4100 series based machines"
42f77542 575 select CEVT_R4K
940f6b48 576 select CSRC_R4K
7cf8053b 577 select SYS_HAS_CPU_VR41XX
377cb1b6 578 select SYS_SUPPORTS_MIPS16
d30a2b47 579 select GPIOLIB
5e83d430 580
edb6310a
DL
581config NXP_STB220
582 bool "NXP STB220 board"
583 select SOC_PNX833X
584 help
371a4151 585 Support for NXP Semiconductors STB220 Development Board.
edb6310a
DL
586
587config NXP_STB225
588 bool "NXP 225 board"
589 select SOC_PNX833X
590 select SOC_PNX8335
591 help
371a4151 592 Support for NXP Semiconductors STB225 Development Board.
edb6310a 593
9267a30d
MSJ
594config PMC_MSP
595 bool "PMC-Sierra MSP chipsets"
39d30c13
A
596 select CEVT_R4K
597 select CSRC_R4K
9267a30d
MSJ
598 select DMA_NONCOHERENT
599 select SWAP_IO_SPACE
600 select NO_EXCEPT_FILL
601 select BOOT_RAW
602 select SYS_HAS_CPU_MIPS32_R1
603 select SYS_HAS_CPU_MIPS32_R2
604 select SYS_SUPPORTS_32BIT_KERNEL
605 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 606 select SYS_SUPPORTS_MIPS16
67e38cf2 607 select IRQ_MIPS_CPU
9267a30d
MSJ
608 select SERIAL_8250
609 select SERIAL_8250_CONSOLE
9296d94d
FF
610 select USB_EHCI_BIG_ENDIAN_MMIO
611 select USB_EHCI_BIG_ENDIAN_DESC
9267a30d
MSJ
612 help
613 This adds support for the PMC-Sierra family of Multi-Service
614 Processor System-On-A-Chips. These parts include a number
615 of integrated peripherals, interfaces and DSPs in addition to
616 a variety of MIPS cores.
617
ae2b5bb6
JC
618config RALINK
619 bool "Ralink based machines"
620 select CEVT_R4K
621 select CSRC_R4K
622 select BOOT_RAW
623 select DMA_NONCOHERENT
67e38cf2 624 select IRQ_MIPS_CPU
ae2b5bb6
JC
625 select USE_OF
626 select SYS_HAS_CPU_MIPS32_R1
627 select SYS_HAS_CPU_MIPS32_R2
628 select SYS_SUPPORTS_32BIT_KERNEL
629 select SYS_SUPPORTS_LITTLE_ENDIAN
377cb1b6 630 select SYS_SUPPORTS_MIPS16
ae2b5bb6 631 select SYS_HAS_EARLY_PRINTK
ae2b5bb6 632 select CLKDEV_LOOKUP
2a153f1c
JC
633 select ARCH_HAS_RESET_CONTROLLER
634 select RESET_CONTROLLER
ae2b5bb6 635
1da177e4 636config SGI_IP22
3fa986fa 637 bool "SGI IP22 (Indy/Indigo2)"
0e2794b0
RB
638 select FW_ARC
639 select FW_ARC32
7a407aa5 640 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 641 select BOOT_ELF32
42f77542 642 select CEVT_R4K
940f6b48 643 select CSRC_R4K
e2defae5 644 select DEFAULT_SGI_PARTITION
1da177e4 645 select DMA_NONCOHERENT
6630a8e5 646 select HAVE_EISA
d865bea4 647 select I8253
68de4803 648 select I8259
1da177e4 649 select IP22_CPU_SCACHE
67e38cf2 650 select IRQ_MIPS_CPU
aa414dff 651 select GENERIC_ISA_DMA_SUPPORT_BROKEN
e2defae5
TB
652 select SGI_HAS_I8042
653 select SGI_HAS_INDYDOG
36e5c21d 654 select SGI_HAS_HAL2
e2defae5
TB
655 select SGI_HAS_SEEQ
656 select SGI_HAS_WD93
657 select SGI_HAS_ZILOG
1da177e4 658 select SWAP_IO_SPACE
7cf8053b
RB
659 select SYS_HAS_CPU_R4X00
660 select SYS_HAS_CPU_R5000
2b5e63f6
MM
661 #
662 # Disable EARLY_PRINTK for now since it leads to overwritten prom
663 # memory during early boot on some machines.
664 #
665 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
666 # for a more details discussion
667 #
668 # select SYS_HAS_EARLY_PRINTK
ed5ba2fb
YY
669 select SYS_SUPPORTS_32BIT_KERNEL
670 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 671 select SYS_SUPPORTS_BIG_ENDIAN
930beb5a 672 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
673 help
674 This are the SGI Indy, Challenge S and Indigo2, as well as certain
675 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
676 that runs on these, say Y here.
677
678config SGI_IP27
3fa986fa 679 bool "SGI IP27 (Origin200/2000)"
54aed4dd 680 select ARCH_HAS_PHYS_TO_DMA
0e2794b0
RB
681 select FW_ARC
682 select FW_ARC64
5e83d430 683 select BOOT_ELF64
e2defae5 684 select DEFAULT_SGI_PARTITION
36a88530 685 select SYS_HAS_EARLY_PRINTK
eb01d42a 686 select HAVE_PCI
69a07a41 687 select IRQ_MIPS_CPU
e6308b6d 688 select IRQ_DOMAIN_HIERARCHY
130e2fb7 689 select NR_CPUS_DEFAULT_64
a57140e9
TB
690 select PCI_DRIVERS_GENERIC
691 select PCI_XTALK_BRIDGE
7cf8053b 692 select SYS_HAS_CPU_R10000
ed5ba2fb 693 select SYS_SUPPORTS_64BIT_KERNEL
5e83d430 694 select SYS_SUPPORTS_BIG_ENDIAN
d8cb4e11 695 select SYS_SUPPORTS_NUMA
1a5c5de1 696 select SYS_SUPPORTS_SMP
930beb5a 697 select MIPS_L1_CACHE_SHIFT_7
1da177e4
LT
698 help
699 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
700 workstations. To compile a Linux kernel that runs on these, say Y
701 here.
702
e2defae5 703config SGI_IP28
7d60717e 704 bool "SGI IP28 (Indigo2 R10k)"
0e2794b0
RB
705 select FW_ARC
706 select FW_ARC64
7a407aa5 707 select ARCH_MIGHT_HAVE_PC_SERIO
e2defae5
TB
708 select BOOT_ELF64
709 select CEVT_R4K
710 select CSRC_R4K
711 select DEFAULT_SGI_PARTITION
712 select DMA_NONCOHERENT
713 select GENERIC_ISA_DMA_SUPPORT_BROKEN
67e38cf2 714 select IRQ_MIPS_CPU
6630a8e5 715 select HAVE_EISA
e2defae5
TB
716 select I8253
717 select I8259
e2defae5
TB
718 select SGI_HAS_I8042
719 select SGI_HAS_INDYDOG
5b438c44 720 select SGI_HAS_HAL2
e2defae5
TB
721 select SGI_HAS_SEEQ
722 select SGI_HAS_WD93
723 select SGI_HAS_ZILOG
724 select SWAP_IO_SPACE
725 select SYS_HAS_CPU_R10000
2b5e63f6
MM
726 #
727 # Disable EARLY_PRINTK for now since it leads to overwritten prom
728 # memory during early boot on some machines.
729 #
730 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
731 # for a more details discussion
732 #
733 # select SYS_HAS_EARLY_PRINTK
e2defae5
TB
734 select SYS_SUPPORTS_64BIT_KERNEL
735 select SYS_SUPPORTS_BIG_ENDIAN
dc24d68d 736 select MIPS_L1_CACHE_SHIFT_7
371a4151
EWI
737 help
738 This is the SGI Indigo2 with R10000 processor. To compile a Linux
739 kernel that runs on these, say Y here.
e2defae5 740
1da177e4 741config SGI_IP32
cfd2afc0 742 bool "SGI IP32 (O2)"
03df8229 743 select ARCH_HAS_PHYS_TO_DMA
0e2794b0
RB
744 select FW_ARC
745 select FW_ARC32
1da177e4 746 select BOOT_ELF32
42f77542 747 select CEVT_R4K
940f6b48 748 select CSRC_R4K
1da177e4 749 select DMA_NONCOHERENT
eb01d42a 750 select HAVE_PCI
67e38cf2 751 select IRQ_MIPS_CPU
1da177e4
LT
752 select R5000_CPU_SCACHE
753 select RM7000_CPU_SCACHE
7cf8053b
RB
754 select SYS_HAS_CPU_R5000
755 select SYS_HAS_CPU_R10000 if BROKEN
756 select SYS_HAS_CPU_RM7000
dd2f18fe 757 select SYS_HAS_CPU_NEVADA
ed5ba2fb 758 select SYS_SUPPORTS_64BIT_KERNEL
23fbee9d 759 select SYS_SUPPORTS_BIG_ENDIAN
23fbee9d 760 help
5e83d430 761 If you want this kernel to run on SGI O2 workstation, say Y here.
1da177e4 762
ade299d8
YY
763config SIBYTE_CRHINE
764 bool "Sibyte BCM91120C-CRhine"
9a6dcea1 765 select BOOT_ELF32
ade299d8 766 select SIBYTE_BCM1120
9a6dcea1 767 select SWAP_IO_SPACE
7cf8053b 768 select SYS_HAS_CPU_SB1
9a6dcea1
AI
769 select SYS_SUPPORTS_BIG_ENDIAN
770 select SYS_SUPPORTS_LITTLE_ENDIAN
771
ade299d8
YY
772config SIBYTE_CARMEL
773 bool "Sibyte BCM91120x-Carmel"
5e83d430 774 select BOOT_ELF32
ade299d8 775 select SIBYTE_BCM1120
5e83d430 776 select SWAP_IO_SPACE
7cf8053b 777 select SYS_HAS_CPU_SB1
81731f79 778 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 779 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 780
ade299d8
YY
781config SIBYTE_CRHONE
782 bool "Sibyte BCM91125C-CRhone"
5e83d430 783 select BOOT_ELF32
ade299d8 784 select SIBYTE_BCM1125
5e83d430 785 select SWAP_IO_SPACE
7cf8053b 786 select SYS_HAS_CPU_SB1
5e83d430 787 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 788 select SYS_SUPPORTS_HIGHMEM
5e83d430 789 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 790
5e83d430 791config SIBYTE_RHONE
3fa986fa 792 bool "Sibyte BCM91125E-Rhone"
5e83d430 793 select BOOT_ELF32
5e83d430
RB
794 select SIBYTE_BCM1125H
795 select SWAP_IO_SPACE
7cf8053b 796 select SYS_HAS_CPU_SB1
5e83d430
RB
797 select SYS_SUPPORTS_BIG_ENDIAN
798 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 799
ade299d8
YY
800config SIBYTE_SWARM
801 bool "Sibyte BCM91250A-SWARM"
5e83d430 802 select BOOT_ELF32
fcf3ca4c 803 select HAVE_PATA_PLATFORM
ade299d8 804 select SIBYTE_SB1250
5e83d430 805 select SWAP_IO_SPACE
7cf8053b 806 select SYS_HAS_CPU_SB1
5e83d430 807 select SYS_SUPPORTS_BIG_ENDIAN
ade299d8 808 select SYS_SUPPORTS_HIGHMEM
e3ad1c23 809 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 810 select ZONE_DMA32 if 64BIT
e4849aff 811 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
e3ad1c23 812
ade299d8
YY
813config SIBYTE_LITTLESUR
814 bool "Sibyte BCM91250C2-LittleSur"
5e83d430 815 select BOOT_ELF32
fcf3ca4c 816 select HAVE_PATA_PLATFORM
5e83d430
RB
817 select SIBYTE_SB1250
818 select SWAP_IO_SPACE
7cf8053b 819 select SYS_HAS_CPU_SB1
5e83d430
RB
820 select SYS_SUPPORTS_BIG_ENDIAN
821 select SYS_SUPPORTS_HIGHMEM
822 select SYS_SUPPORTS_LITTLE_ENDIAN
756d6d83 823 select ZONE_DMA32 if 64BIT
1da177e4 824
ade299d8
YY
825config SIBYTE_SENTOSA
826 bool "Sibyte BCM91250E-Sentosa"
5e83d430 827 select BOOT_ELF32
5e83d430
RB
828 select SIBYTE_SB1250
829 select SWAP_IO_SPACE
7cf8053b 830 select SYS_HAS_CPU_SB1
5e83d430 831 select SYS_SUPPORTS_BIG_ENDIAN
5e83d430 832 select SYS_SUPPORTS_LITTLE_ENDIAN
e4849aff 833 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
1da177e4 834
ade299d8
YY
835config SIBYTE_BIGSUR
836 bool "Sibyte BCM91480B-BigSur"
5e83d430 837 select BOOT_ELF32
ade299d8 838 select NR_CPUS_DEFAULT_4
ade299d8 839 select SIBYTE_BCM1x80
5e83d430 840 select SWAP_IO_SPACE
7cf8053b 841 select SYS_HAS_CPU_SB1
5e83d430 842 select SYS_SUPPORTS_BIG_ENDIAN
651194f8 843 select SYS_SUPPORTS_HIGHMEM
5e83d430 844 select SYS_SUPPORTS_LITTLE_ENDIAN
cce335ae 845 select ZONE_DMA32 if 64BIT
e4849aff 846 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
1da177e4 847
14b36af4
TB
848config SNI_RM
849 bool "SNI RM200/300/400"
0e2794b0
RB
850 select FW_ARC if CPU_LITTLE_ENDIAN
851 select FW_ARC32 if CPU_LITTLE_ENDIAN
aaa9fad3 852 select FW_SNIPROM if CPU_BIG_ENDIAN
61ed242d 853 select ARCH_MAY_HAVE_PC_FDC
a211a082 854 select ARCH_MIGHT_HAVE_PC_PARPORT
7a407aa5 855 select ARCH_MIGHT_HAVE_PC_SERIO
1da177e4 856 select BOOT_ELF32
42f77542 857 select CEVT_R4K
940f6b48 858 select CSRC_R4K
e2defae5 859 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
1da177e4
LT
860 select DMA_NONCOHERENT
861 select GENERIC_ISA_DMA
6630a8e5 862 select HAVE_EISA
8a118c38 863 select HAVE_PCSPKR_PLATFORM
eb01d42a 864 select HAVE_PCI
67e38cf2 865 select IRQ_MIPS_CPU
d865bea4 866 select I8253
1da177e4
LT
867 select I8259
868 select ISA
eb8d40bb 869 select MIPS_L1_CACHE_SHIFT_6
4a0312fc 870 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
7cf8053b 871 select SYS_HAS_CPU_R4X00
4a0312fc 872 select SYS_HAS_CPU_R5000
c066a32a 873 select SYS_HAS_CPU_R10000
4a0312fc 874 select R5000_CPU_SCACHE
36a88530 875 select SYS_HAS_EARLY_PRINTK
ed5ba2fb 876 select SYS_SUPPORTS_32BIT_KERNEL
7d60717e 877 select SYS_SUPPORTS_64BIT_KERNEL
4a0312fc 878 select SYS_SUPPORTS_BIG_ENDIAN
797798c1 879 select SYS_SUPPORTS_HIGHMEM
5e83d430 880 select SYS_SUPPORTS_LITTLE_ENDIAN
1da177e4 881 help
14b36af4
TB
882 The SNI RM200/300/400 are MIPS-based machines manufactured by
883 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
1da177e4
LT
884 Technology and now in turn merged with Fujitsu. Say Y here to
885 support this machine type.
886
edcaf1a6
AN
887config MACH_TX39XX
888 bool "Toshiba TX39 series based machines"
5e83d430 889
edcaf1a6
AN
890config MACH_TX49XX
891 bool "Toshiba TX49 series based machines"
5e83d430 892
73b4390f
RB
893config MIKROTIK_RB532
894 bool "Mikrotik RB532 boards"
895 select CEVT_R4K
896 select CSRC_R4K
897 select DMA_NONCOHERENT
eb01d42a 898 select HAVE_PCI
67e38cf2 899 select IRQ_MIPS_CPU
73b4390f
RB
900 select SYS_HAS_CPU_MIPS32_R1
901 select SYS_SUPPORTS_32BIT_KERNEL
902 select SYS_SUPPORTS_LITTLE_ENDIAN
903 select SWAP_IO_SPACE
904 select BOOT_RAW
d30a2b47 905 select GPIOLIB
930beb5a 906 select MIPS_L1_CACHE_SHIFT_4
73b4390f
RB
907 help
908 Support the Mikrotik(tm) RouterBoard 532 series,
909 based on the IDT RC32434 SoC.
910
9ddebc46
DD
911config CAVIUM_OCTEON_SOC
912 bool "Cavium Networks Octeon SoC based boards"
a86c7f72 913 select CEVT_R4K
ea8c64ac 914 select ARCH_HAS_PHYS_TO_DMA
1753d50c 915 select HAVE_RAPIDIO
d4a451d5 916 select PHYS_ADDR_T_64BIT
a86c7f72
DD
917 select SYS_SUPPORTS_64BIT_KERNEL
918 select SYS_SUPPORTS_BIG_ENDIAN
f65aad41 919 select EDAC_SUPPORT
b01aec9b 920 select EDAC_ATOMIC_SCRUB
73569d87
DD
921 select SYS_SUPPORTS_LITTLE_ENDIAN
922 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
a86c7f72 923 select SYS_HAS_EARLY_PRINTK
5e683389 924 select SYS_HAS_CPU_CAVIUM_OCTEON
eb01d42a 925 select HAVE_PCI
f00e001e 926 select ZONE_DMA32
465aaed0 927 select HOLES_IN_ZONE
d30a2b47 928 select GPIOLIB
6e511163
DD
929 select LIBFDT
930 select USE_OF
931 select ARCH_SPARSEMEM_ENABLE
932 select SYS_SUPPORTS_SMP
7820b84b
DD
933 select NR_CPUS_DEFAULT_64
934 select MIPS_NR_CPU_NR_MAP_1024
e326479f 935 select BUILTIN_DTB
8c1e6b14 936 select MTD_COMPLEX_MAPPINGS
09230cbc 937 select SWIOTLB
3ff72be4 938 select SYS_SUPPORTS_RELOCATABLE
a86c7f72
DD
939 help
940 This option supports all of the Octeon reference boards from Cavium
941 Networks. It builds a kernel that dynamically determines the Octeon
942 CPU type and supports all known board reference implementations.
943 Some of the supported boards are:
944 EBT3000
945 EBH3000
946 EBH3100
947 Thunder
948 Kodama
949 Hikari
950 Say Y here for most Octeon reference boards.
951
7f058e85
J
952config NLM_XLR_BOARD
953 bool "Netlogic XLR/XLS based systems"
7f058e85
J
954 select BOOT_ELF32
955 select NLM_COMMON
7f058e85
J
956 select SYS_HAS_CPU_XLR
957 select SYS_SUPPORTS_SMP
eb01d42a 958 select HAVE_PCI
7f058e85
J
959 select SWAP_IO_SPACE
960 select SYS_SUPPORTS_32BIT_KERNEL
961 select SYS_SUPPORTS_64BIT_KERNEL
d4a451d5 962 select PHYS_ADDR_T_64BIT
7f058e85
J
963 select SYS_SUPPORTS_BIG_ENDIAN
964 select SYS_SUPPORTS_HIGHMEM
7f058e85
J
965 select NR_CPUS_DEFAULT_32
966 select CEVT_R4K
967 select CSRC_R4K
67e38cf2 968 select IRQ_MIPS_CPU
b97215fd 969 select ZONE_DMA32 if 64BIT
7f058e85
J
970 select SYNC_R4K
971 select SYS_HAS_EARLY_PRINTK
8f0b0430
J
972 select SYS_SUPPORTS_ZBOOT
973 select SYS_SUPPORTS_ZBOOT_UART16550
7f058e85
J
974 help
975 Support for systems based on Netlogic XLR and XLS processors.
976 Say Y here if you have a XLR or XLS based board.
977
1c773ea4
J
978config NLM_XLP_BOARD
979 bool "Netlogic XLP based systems"
1c773ea4
J
980 select BOOT_ELF32
981 select NLM_COMMON
982 select SYS_HAS_CPU_XLP
983 select SYS_SUPPORTS_SMP
eb01d42a 984 select HAVE_PCI
1c773ea4
J
985 select SYS_SUPPORTS_32BIT_KERNEL
986 select SYS_SUPPORTS_64BIT_KERNEL
d4a451d5 987 select PHYS_ADDR_T_64BIT
d30a2b47 988 select GPIOLIB
1c773ea4
J
989 select SYS_SUPPORTS_BIG_ENDIAN
990 select SYS_SUPPORTS_LITTLE_ENDIAN
991 select SYS_SUPPORTS_HIGHMEM
1c773ea4
J
992 select NR_CPUS_DEFAULT_32
993 select CEVT_R4K
994 select CSRC_R4K
67e38cf2 995 select IRQ_MIPS_CPU
b97215fd 996 select ZONE_DMA32 if 64BIT
1c773ea4
J
997 select SYNC_R4K
998 select SYS_HAS_EARLY_PRINTK
2f6528e1 999 select USE_OF
8f0b0430
J
1000 select SYS_SUPPORTS_ZBOOT
1001 select SYS_SUPPORTS_ZBOOT_UART16550
1c773ea4
J
1002 help
1003 This board is based on Netlogic XLP Processor.
1004 Say Y here if you have a XLP based board.
1005
9bc463be
DD
1006config MIPS_PARAVIRT
1007 bool "Para-Virtualized guest system"
1008 select CEVT_R4K
1009 select CSRC_R4K
9bc463be
DD
1010 select SYS_SUPPORTS_64BIT_KERNEL
1011 select SYS_SUPPORTS_32BIT_KERNEL
1012 select SYS_SUPPORTS_BIG_ENDIAN
1013 select SYS_SUPPORTS_SMP
1014 select NR_CPUS_DEFAULT_4
1015 select SYS_HAS_EARLY_PRINTK
1016 select SYS_HAS_CPU_MIPS32_R2
1017 select SYS_HAS_CPU_MIPS64_R2
1018 select SYS_HAS_CPU_CAVIUM_OCTEON
eb01d42a 1019 select HAVE_PCI
9bc463be
DD
1020 select SWAP_IO_SPACE
1021 help
1022 This option supports guest running under ????
1023
5e83d430 1024endchoice
1da177e4 1025
e8c7c482 1026source "arch/mips/alchemy/Kconfig"
3b12308f 1027source "arch/mips/ath25/Kconfig"
d4a67d9d 1028source "arch/mips/ath79/Kconfig"
a656ffcb 1029source "arch/mips/bcm47xx/Kconfig"
e7300d04 1030source "arch/mips/bcm63xx/Kconfig"
8945e37e 1031source "arch/mips/bmips/Kconfig"
eed0eabd 1032source "arch/mips/generic/Kconfig"
5e83d430 1033source "arch/mips/jazz/Kconfig"
5ebabe59 1034source "arch/mips/jz4740/Kconfig"
8ec6d935 1035source "arch/mips/lantiq/Kconfig"
1f21d2bd 1036source "arch/mips/lasat/Kconfig"
2572f00d 1037source "arch/mips/pic32/Kconfig"
af0cfb2c 1038source "arch/mips/pistachio/Kconfig"
0f3a05cb 1039source "arch/mips/pmcs-msp71xx/Kconfig"
ae2b5bb6 1040source "arch/mips/ralink/Kconfig"
29c48699 1041source "arch/mips/sgi-ip27/Kconfig"
38b18f72 1042source "arch/mips/sibyte/Kconfig"
22b1d707 1043source "arch/mips/txx9/Kconfig"
5e83d430 1044source "arch/mips/vr41xx/Kconfig"
a86c7f72 1045source "arch/mips/cavium-octeon/Kconfig"
30ad29bb
HC
1046source "arch/mips/loongson32/Kconfig"
1047source "arch/mips/loongson64/Kconfig"
7f058e85 1048source "arch/mips/netlogic/Kconfig"
ae6e7e63 1049source "arch/mips/paravirt/Kconfig"
38b18f72 1050
5e83d430
RB
1051endmenu
1052
3c9ee7ef
AM
1053config GENERIC_HWEIGHT
1054 bool
1055 default y
1056
1da177e4
LT
1057config GENERIC_CALIBRATE_DELAY
1058 bool
1059 default y
1060
ae1e9130 1061config SCHED_OMIT_FRAME_POINTER
1cc89038
AN
1062 bool
1063 default y
1064
1da177e4
LT
1065#
1066# Select some configuration options automatically based on user selections.
1067#
0e2794b0 1068config FW_ARC
1da177e4 1069 bool
1da177e4 1070
61ed242d
RB
1071config ARCH_MAY_HAVE_PC_FDC
1072 bool
1073
9267a30d
MSJ
1074config BOOT_RAW
1075 bool
1076
217dd11e
RB
1077config CEVT_BCM1480
1078 bool
1079
6457d9fc
YY
1080config CEVT_DS1287
1081 bool
1082
1097c6ac
YY
1083config CEVT_GT641XX
1084 bool
1085
42f77542
RB
1086config CEVT_R4K
1087 bool
1088
217dd11e
RB
1089config CEVT_SB1250
1090 bool
1091
229f773e
AN
1092config CEVT_TXX9
1093 bool
1094
217dd11e
RB
1095config CSRC_BCM1480
1096 bool
1097
4247417d
YY
1098config CSRC_IOASIC
1099 bool
1100
940f6b48
RB
1101config CSRC_R4K
1102 bool
1103
217dd11e
RB
1104config CSRC_SB1250
1105 bool
1106
a7f4df4e
AS
1107config MIPS_CLOCK_VSYSCALL
1108 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1109
a9aec7fe 1110config GPIO_TXX9
d30a2b47 1111 select GPIOLIB
a9aec7fe
AN
1112 bool
1113
0e2794b0 1114config FW_CFE
df78b5c8
AJ
1115 bool
1116
40e084a5
RB
1117config ARCH_SUPPORTS_UPROBES
1118 bool
1119
885014bc 1120config DMA_MAYBE_COHERENT
f3ecc0ff 1121 select ARCH_HAS_DMA_COHERENCE_H
885014bc
FF
1122 select DMA_NONCOHERENT
1123 bool
1124
20d33064
PB
1125config DMA_PERDEV_COHERENT
1126 bool
347cb6af 1127 select ARCH_HAS_SETUP_DMA_OPS
5748e1b3 1128 select DMA_NONCOHERENT
20d33064 1129
4ce588cd
RB
1130config DMA_NONCOHERENT
1131 bool
db91427b
CH
1132 #
1133 # MIPS allows mixing "slightly different" Cacheability and Coherency
1134 # Attribute bits. It is believed that the uncached access through
1135 # KSEG1 and the implementation specific "uncached accelerated" used
1136 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1137 # significant advantages.
1138 #
419e2f18 1139 select ARCH_HAS_DMA_WRITE_COMBINE
f8c55dc6 1140 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
2ee7a4ef 1141 select ARCH_HAS_UNCACHED_SEGMENT
e1e02b32 1142 select NEED_DMA_MAP_STATE
58b04406 1143 select ARCH_HAS_DMA_COHERENT_TO_PFN
f8c55dc6 1144 select DMA_NONCOHERENT_CACHE_SYNC
4ce588cd 1145
36a88530 1146config SYS_HAS_EARLY_PRINTK
1da177e4 1147 bool
1da177e4 1148
1b2bc75c 1149config SYS_SUPPORTS_HOTPLUG_CPU
dbb74540 1150 bool
dbb74540 1151
1da177e4
LT
1152config MIPS_BONITO64
1153 bool
1da177e4
LT
1154
1155config MIPS_MSC
1156 bool
1da177e4 1157
1f21d2bd
BM
1158config MIPS_NILE4
1159 bool
1160
39b8d525
RB
1161config SYNC_R4K
1162 bool
1163
487d70d0
GJ
1164config MIPS_MACHINE
1165 def_bool n
1166
ce816fa8 1167config NO_IOPORT_MAP
d388d685
MR
1168 def_bool n
1169
4e0748f5
MC
1170config GENERIC_CSUM
1171 bool
932afdee 1172 default y if !CPU_HAS_LOAD_STORE_LR
4e0748f5 1173
8313da30
RB
1174config GENERIC_ISA_DMA
1175 bool
1176 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
a35bee8a 1177 select ISA_DMA_API
8313da30 1178
aa414dff
RB
1179config GENERIC_ISA_DMA_SUPPORT_BROKEN
1180 bool
8313da30 1181 select GENERIC_ISA_DMA
aa414dff 1182
a35bee8a
NK
1183config ISA_DMA_API
1184 bool
1185
465aaed0
DD
1186config HOLES_IN_ZONE
1187 bool
1188
8c530ea3
MR
1189config SYS_SUPPORTS_RELOCATABLE
1190 bool
1191 help
371a4151
EWI
1192 Selected if the platform supports relocating the kernel.
1193 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1194 to allow access to command line and entropy sources.
8c530ea3 1195
f381bf6d
DD
1196config MIPS_CBPF_JIT
1197 def_bool y
1198 depends on BPF_JIT && HAVE_CBPF_JIT
1199
1200config MIPS_EBPF_JIT
1201 def_bool y
1202 depends on BPF_JIT && HAVE_EBPF_JIT
1203
1204
5e83d430 1205#
6b2aac42 1206# Endianness selection. Sufficiently obscure so many users don't know what to
5e83d430
RB
1207# answer,so we try hard to limit the available choices. Also the use of a
1208# choice statement should be more obvious to the user.
1209#
1210choice
6b2aac42 1211 prompt "Endianness selection"
1da177e4
LT
1212 help
1213 Some MIPS machines can be configured for either little or big endian
5e83d430 1214 byte order. These modes require different kernels and a different
3cb2fccc 1215 Linux distribution. In general there is one preferred byteorder for a
5e83d430 1216 particular system but some systems are just as commonly used in the
3dde6ad8 1217 one or the other endianness.
5e83d430
RB
1218
1219config CPU_BIG_ENDIAN
1220 bool "Big endian"
1221 depends on SYS_SUPPORTS_BIG_ENDIAN
1222
1223config CPU_LITTLE_ENDIAN
1224 bool "Little endian"
1225 depends on SYS_SUPPORTS_LITTLE_ENDIAN
5e83d430
RB
1226
1227endchoice
1228
22b0763a
DD
1229config EXPORT_UASM
1230 bool
1231
2116245e
RB
1232config SYS_SUPPORTS_APM_EMULATION
1233 bool
1234
5e83d430
RB
1235config SYS_SUPPORTS_BIG_ENDIAN
1236 bool
1237
1238config SYS_SUPPORTS_LITTLE_ENDIAN
1239 bool
1da177e4 1240
9cffd154
DD
1241config SYS_SUPPORTS_HUGETLBFS
1242 bool
45e03e62 1243 depends on CPU_SUPPORTS_HUGEPAGES
9cffd154
DD
1244 default y
1245
aa1762f4
DD
1246config MIPS_HUGE_TLB_SUPPORT
1247 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1248
1da177e4
LT
1249config IRQ_CPU_RM7K
1250 bool
1251
9267a30d
MSJ
1252config IRQ_MSP_SLP
1253 bool
1254
1255config IRQ_MSP_CIC
1256 bool
1257
8420fd00
AN
1258config IRQ_TXX9
1259 bool
1260
d5ab1a69
YY
1261config IRQ_GT641XX
1262 bool
1263
252161ec 1264config PCI_GT64XXX_PCI0
1da177e4 1265 bool
1da177e4 1266
a57140e9
TB
1267config PCI_XTALK_BRIDGE
1268 bool
1269
9267a30d
MSJ
1270config NO_EXCEPT_FILL
1271 bool
1272
a83860c2
RB
1273config SOC_EMMA2RH
1274 bool
1275 select CEVT_R4K
1276 select CSRC_R4K
1277 select DMA_NONCOHERENT
67e38cf2 1278 select IRQ_MIPS_CPU
a83860c2
RB
1279 select SWAP_IO_SPACE
1280 select SYS_HAS_CPU_R5500
1281 select SYS_SUPPORTS_32BIT_KERNEL
1282 select SYS_SUPPORTS_64BIT_KERNEL
1283 select SYS_SUPPORTS_BIG_ENDIAN
1284
edb6310a
DL
1285config SOC_PNX833X
1286 bool
1287 select CEVT_R4K
1288 select CSRC_R4K
67e38cf2 1289 select IRQ_MIPS_CPU
edb6310a
DL
1290 select DMA_NONCOHERENT
1291 select SYS_HAS_CPU_MIPS32_R2
1292 select SYS_SUPPORTS_32BIT_KERNEL
1293 select SYS_SUPPORTS_LITTLE_ENDIAN
1294 select SYS_SUPPORTS_BIG_ENDIAN
377cb1b6 1295 select SYS_SUPPORTS_MIPS16
edb6310a
DL
1296 select CPU_MIPSR2_IRQ_VI
1297
1298config SOC_PNX8335
1299 bool
1300 select SOC_PNX833X
1301
a7e07b1a
MC
1302config MIPS_SPRAM
1303 bool
1304
1da177e4
LT
1305config SWAP_IO_SPACE
1306 bool
1307
e2defae5
TB
1308config SGI_HAS_INDYDOG
1309 bool
1310
5b438c44
TB
1311config SGI_HAS_HAL2
1312 bool
1313
e2defae5
TB
1314config SGI_HAS_SEEQ
1315 bool
1316
1317config SGI_HAS_WD93
1318 bool
1319
1320config SGI_HAS_ZILOG
1321 bool
1322
1323config SGI_HAS_I8042
1324 bool
1325
1326config DEFAULT_SGI_PARTITION
1327 bool
1328
0e2794b0 1329config FW_ARC32
5e83d430
RB
1330 bool
1331
aaa9fad3 1332config FW_SNIPROM
231a35d3
TB
1333 bool
1334
1da177e4
LT
1335config BOOT_ELF32
1336 bool
1da177e4 1337
930beb5a
FF
1338config MIPS_L1_CACHE_SHIFT_4
1339 bool
1340
1341config MIPS_L1_CACHE_SHIFT_5
1342 bool
1343
1344config MIPS_L1_CACHE_SHIFT_6
1345 bool
1346
1347config MIPS_L1_CACHE_SHIFT_7
1348 bool
1349
1da177e4
LT
1350config MIPS_L1_CACHE_SHIFT
1351 int
a4c0201e 1352 default "7" if MIPS_L1_CACHE_SHIFT_7
5432eeb6
KC
1353 default "6" if MIPS_L1_CACHE_SHIFT_6
1354 default "5" if MIPS_L1_CACHE_SHIFT_5
1355 default "4" if MIPS_L1_CACHE_SHIFT_4
1da177e4
LT
1356 default "5"
1357
1da177e4
LT
1358config HAVE_STD_PC_SERIAL_PORT
1359 bool
1360
1da177e4
LT
1361config ARC_CONSOLE
1362 bool "ARC console support"
e2defae5 1363 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1da177e4
LT
1364
1365config ARC_MEMORY
1366 bool
14b36af4 1367 depends on MACH_JAZZ || SNI_RM || SGI_IP32
1da177e4
LT
1368 default y
1369
1370config ARC_PROMLIB
1371 bool
e2defae5 1372 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
1da177e4
LT
1373 default y
1374
0e2794b0 1375config FW_ARC64
1da177e4 1376 bool
1da177e4
LT
1377
1378config BOOT_ELF64
1379 bool
1da177e4 1380
1da177e4
LT
1381menu "CPU selection"
1382
1383choice
1384 prompt "CPU type"
1385 default CPU_R4X00
1386
0e476d91
HC
1387config CPU_LOONGSON3
1388 bool "Loongson 3 CPU"
1389 depends on SYS_HAS_CPU_LOONGSON3
d3bc81be 1390 select ARCH_HAS_PHYS_TO_DMA
0e476d91
HC
1391 select CPU_SUPPORTS_64BIT_KERNEL
1392 select CPU_SUPPORTS_HIGHMEM
1393 select CPU_SUPPORTS_HUGEPAGES
932afdee 1394 select CPU_HAS_LOAD_STORE_LR
0e476d91
HC
1395 select WEAK_ORDERING
1396 select WEAK_REORDERING_BEYOND_LLSC
b2edcfc8 1397 select MIPS_PGD_C0_CONTEXT
17c99d94 1398 select MIPS_L1_CACHE_SHIFT_6
c42594b5 1399 select MIPS_FP_SUPPORT
d30a2b47 1400 select GPIOLIB
09230cbc 1401 select SWIOTLB
0e476d91
HC
1402 help
1403 The Loongson 3 processor implements the MIPS64R2 instruction
1404 set with many extensions.
1405
1e820da3
HC
1406config LOONGSON3_ENHANCEMENT
1407 bool "New Loongson 3 CPU Enhancements"
1408 default n
1409 select CPU_MIPSR2
1410 select CPU_HAS_PREFETCH
1411 depends on CPU_LOONGSON3
1412 help
1413 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
1414 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1415 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
1416 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1417 Fast TLB refill support, etc.
1418
1419 This option enable those enhancements which are not probed at run
1420 time. If you want a generic kernel to run on all Loongson 3 machines,
1421 please say 'N' here. If you want a high-performance kernel to run on
1422 new Loongson 3 machines only, please say 'Y' here.
1423
e02e07e3
HC
1424config CPU_LOONGSON3_WORKAROUNDS
1425 bool "Old Loongson 3 LLSC Workarounds"
1426 default y if SMP
1427 depends on CPU_LOONGSON3
1428 help
1429 Loongson 3 processors have the llsc issues which require workarounds.
1430 Without workarounds the system may hang unexpectedly.
1431
1432 Newer Loongson 3 will fix these issues and no workarounds are needed.
1433 The workarounds have no significant side effect on them but may
1434 decrease the performance of the system so this option should be
1435 disabled unless the kernel is intended to be run on old systems.
1436
1437 If unsure, please say Y.
1438
3702bba5
WZ
1439config CPU_LOONGSON2E
1440 bool "Loongson 2E"
1441 depends on SYS_HAS_CPU_LOONGSON2E
1442 select CPU_LOONGSON2
2a21c730
FZ
1443 help
1444 The Loongson 2E processor implements the MIPS III instruction set
1445 with many extensions.
1446
25985edc 1447 It has an internal FPGA northbridge, which is compatible to
6f7a251a
WZ
1448 bonito64.
1449
1450config CPU_LOONGSON2F
1451 bool "Loongson 2F"
1452 depends on SYS_HAS_CPU_LOONGSON2F
1453 select CPU_LOONGSON2
d30a2b47 1454 select GPIOLIB
6f7a251a
WZ
1455 help
1456 The Loongson 2F processor implements the MIPS III instruction set
1457 with many extensions.
1458
1459 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1460 have a similar programming interface with FPGA northbridge used in
1461 Loongson2E.
1462
ca585cf9
KC
1463config CPU_LOONGSON1B
1464 bool "Loongson 1B"
1465 depends on SYS_HAS_CPU_LOONGSON1B
1466 select CPU_LOONGSON1
9ec88b60 1467 select LEDS_GPIO_REGISTER
ca585cf9
KC
1468 help
1469 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1470 Release 1 instruction set and part of the MIPS32 Release 2
1471 instruction set.
ca585cf9 1472
12e3280b
YL
1473config CPU_LOONGSON1C
1474 bool "Loongson 1C"
1475 depends on SYS_HAS_CPU_LOONGSON1C
1476 select CPU_LOONGSON1
12e3280b
YL
1477 select LEDS_GPIO_REGISTER
1478 help
1479 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
968dc5a0
XZ
1480 Release 1 instruction set and part of the MIPS32 Release 2
1481 instruction set.
12e3280b 1482
6e760c8d
RB
1483config CPU_MIPS32_R1
1484 bool "MIPS32 Release 1"
7cf8053b 1485 depends on SYS_HAS_CPU_MIPS32_R1
6e760c8d 1486 select CPU_HAS_PREFETCH
932afdee 1487 select CPU_HAS_LOAD_STORE_LR
797798c1 1488 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1489 select CPU_SUPPORTS_HIGHMEM
1e5f1caa 1490 help
5e83d430 1491 Choose this option to build a kernel for release 1 or later of the
1e5f1caa
RB
1492 MIPS32 architecture. Most modern embedded systems with a 32-bit
1493 MIPS processor are based on a MIPS32 processor. If you know the
1494 specific type of processor in your system, choose those that one
1495 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1496 Release 2 of the MIPS32 architecture is available since several
1497 years so chances are you even have a MIPS32 Release 2 processor
1498 in which case you should choose CPU_MIPS32_R2 instead for better
1499 performance.
1500
1501config CPU_MIPS32_R2
1502 bool "MIPS32 Release 2"
7cf8053b 1503 depends on SYS_HAS_CPU_MIPS32_R2
1e5f1caa 1504 select CPU_HAS_PREFETCH
932afdee 1505 select CPU_HAS_LOAD_STORE_LR
797798c1 1506 select CPU_SUPPORTS_32BIT_KERNEL
ec28f306 1507 select CPU_SUPPORTS_HIGHMEM
a5e9a69e 1508 select CPU_SUPPORTS_MSA
2235a54d 1509 select HAVE_KVM
6e760c8d 1510 help
5e83d430 1511 Choose this option to build a kernel for release 2 or later of the
6e760c8d
RB
1512 MIPS32 architecture. Most modern embedded systems with a 32-bit
1513 MIPS processor are based on a MIPS32 processor. If you know the
1514 specific type of processor in your system, choose those that one
1515 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1516
7fd08ca5 1517config CPU_MIPS32_R6
674d10e2 1518 bool "MIPS32 Release 6"
7fd08ca5
LY
1519 depends on SYS_HAS_CPU_MIPS32_R6
1520 select CPU_HAS_PREFETCH
1521 select CPU_SUPPORTS_32BIT_KERNEL
1522 select CPU_SUPPORTS_HIGHMEM
1523 select CPU_SUPPORTS_MSA
1524 select HAVE_KVM
1525 select MIPS_O32_FP64_SUPPORT
1526 help
1527 Choose this option to build a kernel for release 6 or later of the
1528 MIPS32 architecture. New MIPS processors, starting with the Warrior
1529 family, are based on a MIPS32r6 processor. If you own an older
1530 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1531
6e760c8d
RB
1532config CPU_MIPS64_R1
1533 bool "MIPS64 Release 1"
7cf8053b 1534 depends on SYS_HAS_CPU_MIPS64_R1
797798c1 1535 select CPU_HAS_PREFETCH
932afdee 1536 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1537 select CPU_SUPPORTS_32BIT_KERNEL
1538 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1539 select CPU_SUPPORTS_HIGHMEM
9cffd154 1540 select CPU_SUPPORTS_HUGEPAGES
6e760c8d
RB
1541 help
1542 Choose this option to build a kernel for release 1 or later of the
1543 MIPS64 architecture. Many modern embedded systems with a 64-bit
1544 MIPS processor are based on a MIPS64 processor. If you know the
1545 specific type of processor in your system, choose those that one
1546 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1e5f1caa
RB
1547 Release 2 of the MIPS64 architecture is available since several
1548 years so chances are you even have a MIPS64 Release 2 processor
1549 in which case you should choose CPU_MIPS64_R2 instead for better
1550 performance.
1551
1552config CPU_MIPS64_R2
1553 bool "MIPS64 Release 2"
7cf8053b 1554 depends on SYS_HAS_CPU_MIPS64_R2
797798c1 1555 select CPU_HAS_PREFETCH
932afdee 1556 select CPU_HAS_LOAD_STORE_LR
1e5f1caa
RB
1557 select CPU_SUPPORTS_32BIT_KERNEL
1558 select CPU_SUPPORTS_64BIT_KERNEL
ec28f306 1559 select CPU_SUPPORTS_HIGHMEM
9cffd154 1560 select CPU_SUPPORTS_HUGEPAGES
a5e9a69e 1561 select CPU_SUPPORTS_MSA
40a2df49 1562 select HAVE_KVM
1e5f1caa
RB
1563 help
1564 Choose this option to build a kernel for release 2 or later of the
1565 MIPS64 architecture. Many modern embedded systems with a 64-bit
1566 MIPS processor are based on a MIPS64 processor. If you know the
1567 specific type of processor in your system, choose those that one
1568 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1da177e4 1569
7fd08ca5 1570config CPU_MIPS64_R6
674d10e2 1571 bool "MIPS64 Release 6"
7fd08ca5
LY
1572 depends on SYS_HAS_CPU_MIPS64_R6
1573 select CPU_HAS_PREFETCH
1574 select CPU_SUPPORTS_32BIT_KERNEL
1575 select CPU_SUPPORTS_64BIT_KERNEL
1576 select CPU_SUPPORTS_HIGHMEM
afd375dc 1577 select CPU_SUPPORTS_HUGEPAGES
7fd08ca5 1578 select CPU_SUPPORTS_MSA
2e6c7747 1579 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
40a2df49 1580 select HAVE_KVM
7fd08ca5
LY
1581 help
1582 Choose this option to build a kernel for release 6 or later of the
1583 MIPS64 architecture. New MIPS processors, starting with the Warrior
1584 family, are based on a MIPS64r6 processor. If you own an older
1585 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1586
1da177e4
LT
1587config CPU_R3000
1588 bool "R3000"
7cf8053b 1589 depends on SYS_HAS_CPU_R3000
f7062ddb 1590 select CPU_HAS_WB
932afdee 1591 select CPU_HAS_LOAD_STORE_LR
54746829 1592 select CPU_R3K_TLB
ed5ba2fb 1593 select CPU_SUPPORTS_32BIT_KERNEL
797798c1 1594 select CPU_SUPPORTS_HIGHMEM
1da177e4
LT
1595 help
1596 Please make sure to pick the right CPU type. Linux/MIPS is not
1597 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1598 *not* work on R4000 machines and vice versa. However, since most
1599 of the supported machines have an R4000 (or similar) CPU, R4x00
1600 might be a safe bet. If the resulting kernel does not work,
1601 try to recompile with R3000.
1602
1603config CPU_TX39XX
1604 bool "R39XX"
7cf8053b 1605 depends on SYS_HAS_CPU_TX39XX
ed5ba2fb 1606 select CPU_SUPPORTS_32BIT_KERNEL
932afdee 1607 select CPU_HAS_LOAD_STORE_LR
54746829 1608 select CPU_R3K_TLB
1da177e4
LT
1609
1610config CPU_VR41XX
1611 bool "R41xx"
7cf8053b 1612 depends on SYS_HAS_CPU_VR41XX
ed5ba2fb
YY
1613 select CPU_SUPPORTS_32BIT_KERNEL
1614 select CPU_SUPPORTS_64BIT_KERNEL
932afdee 1615 select CPU_HAS_LOAD_STORE_LR
1da177e4 1616 help
5e83d430 1617 The options selects support for the NEC VR4100 series of processors.
1da177e4
LT
1618 Only choose this option if you have one of these processors as a
1619 kernel built with this option will not run on any other type of
1620 processor or vice versa.
1621
1da177e4
LT
1622config CPU_R4X00
1623 bool "R4x00"
7cf8053b 1624 depends on SYS_HAS_CPU_R4X00
ed5ba2fb
YY
1625 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1627 select CPU_SUPPORTS_HUGEPAGES
932afdee 1628 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1629 help
1630 MIPS Technologies R4000-series processors other than 4300, including
1631 the R4000, R4400, R4600, and 4700.
1632
1633config CPU_TX49XX
1634 bool "R49XX"
7cf8053b 1635 depends on SYS_HAS_CPU_TX49XX
de862b48 1636 select CPU_HAS_PREFETCH
932afdee 1637 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1638 select CPU_SUPPORTS_32BIT_KERNEL
1639 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1640 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1641
1642config CPU_R5000
1643 bool "R5000"
7cf8053b 1644 depends on SYS_HAS_CPU_R5000
ed5ba2fb
YY
1645 select CPU_SUPPORTS_32BIT_KERNEL
1646 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1647 select CPU_SUPPORTS_HUGEPAGES
932afdee 1648 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1649 help
1650 MIPS Technologies R5000-series processors other than the Nevada.
1651
542c1020
SK
1652config CPU_R5500
1653 bool "R5500"
1654 depends on SYS_HAS_CPU_R5500
542c1020
SK
1655 select CPU_SUPPORTS_32BIT_KERNEL
1656 select CPU_SUPPORTS_64BIT_KERNEL
9cffd154 1657 select CPU_SUPPORTS_HUGEPAGES
932afdee 1658 select CPU_HAS_LOAD_STORE_LR
542c1020
SK
1659 help
1660 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1661 instruction set.
1662
1da177e4
LT
1663config CPU_NEVADA
1664 bool "RM52xx"
7cf8053b 1665 depends on SYS_HAS_CPU_NEVADA
ed5ba2fb
YY
1666 select CPU_SUPPORTS_32BIT_KERNEL
1667 select CPU_SUPPORTS_64BIT_KERNEL
970d032f 1668 select CPU_SUPPORTS_HUGEPAGES
932afdee 1669 select CPU_HAS_LOAD_STORE_LR
1da177e4
LT
1670 help
1671 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1672
1da177e4
LT
1673config CPU_R10000
1674 bool "R10000"
7cf8053b 1675 depends on SYS_HAS_CPU_R10000
5e83d430 1676 select CPU_HAS_PREFETCH
932afdee 1677 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1678 select CPU_SUPPORTS_32BIT_KERNEL
1679 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1680 select CPU_SUPPORTS_HIGHMEM
970d032f 1681 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1682 help
1683 MIPS Technologies R10000-series processors.
1684
1685config CPU_RM7000
1686 bool "RM7000"
7cf8053b 1687 depends on SYS_HAS_CPU_RM7000
5e83d430 1688 select CPU_HAS_PREFETCH
932afdee 1689 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1690 select CPU_SUPPORTS_32BIT_KERNEL
1691 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1692 select CPU_SUPPORTS_HIGHMEM
970d032f 1693 select CPU_SUPPORTS_HUGEPAGES
1da177e4
LT
1694
1695config CPU_SB1
1696 bool "SB1"
7cf8053b 1697 depends on SYS_HAS_CPU_SB1
932afdee 1698 select CPU_HAS_LOAD_STORE_LR
ed5ba2fb
YY
1699 select CPU_SUPPORTS_32BIT_KERNEL
1700 select CPU_SUPPORTS_64BIT_KERNEL
797798c1 1701 select CPU_SUPPORTS_HIGHMEM
970d032f 1702 select CPU_SUPPORTS_HUGEPAGES
0004a9df 1703 select WEAK_ORDERING
1da177e4 1704
a86c7f72
DD
1705config CPU_CAVIUM_OCTEON
1706 bool "Cavium Octeon processor"
5e683389 1707 depends on SYS_HAS_CPU_CAVIUM_OCTEON
a86c7f72 1708 select CPU_HAS_PREFETCH
932afdee 1709 select CPU_HAS_LOAD_STORE_LR
a86c7f72 1710 select CPU_SUPPORTS_64BIT_KERNEL
a86c7f72 1711 select WEAK_ORDERING
a86c7f72 1712 select CPU_SUPPORTS_HIGHMEM
9cffd154 1713 select CPU_SUPPORTS_HUGEPAGES
df115f3e
BH
1714 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1715 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
930beb5a 1716 select MIPS_L1_CACHE_SHIFT_7
0ae3abcd 1717 select HAVE_KVM
a86c7f72
DD
1718 help
1719 The Cavium Octeon processor is a highly integrated chip containing
1720 many ethernet hardware widgets for networking tasks. The processor
1721 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1722 Full details can be found at http://www.caviumnetworks.com.
1723
cd746249
JG
1724config CPU_BMIPS
1725 bool "Broadcom BMIPS"
1726 depends on SYS_HAS_CPU_BMIPS
1727 select CPU_MIPS32
fe7f62c0 1728 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
cd746249
JG
1729 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1730 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1731 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1732 select CPU_SUPPORTS_32BIT_KERNEL
1733 select DMA_NONCOHERENT
67e38cf2 1734 select IRQ_MIPS_CPU
cd746249
JG
1735 select SWAP_IO_SPACE
1736 select WEAK_ORDERING
c1c0c461 1737 select CPU_SUPPORTS_HIGHMEM
69aaf9c8 1738 select CPU_HAS_PREFETCH
932afdee 1739 select CPU_HAS_LOAD_STORE_LR
a8d709b0
MM
1740 select CPU_SUPPORTS_CPUFREQ
1741 select MIPS_EXTERNAL_TIMER
c1c0c461 1742 help
fe7f62c0 1743 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
c1c0c461 1744
7f058e85
J
1745config CPU_XLR
1746 bool "Netlogic XLR SoC"
1747 depends on SYS_HAS_CPU_XLR
932afdee 1748 select CPU_HAS_LOAD_STORE_LR
7f058e85
J
1749 select CPU_SUPPORTS_32BIT_KERNEL
1750 select CPU_SUPPORTS_64BIT_KERNEL
1751 select CPU_SUPPORTS_HIGHMEM
970d032f 1752 select CPU_SUPPORTS_HUGEPAGES
7f058e85
J
1753 select WEAK_ORDERING
1754 select WEAK_REORDERING_BEYOND_LLSC
7f058e85
J
1755 help
1756 Netlogic Microsystems XLR/XLS processors.
1c773ea4
J
1757
1758config CPU_XLP
1759 bool "Netlogic XLP SoC"
1760 depends on SYS_HAS_CPU_XLP
1761 select CPU_SUPPORTS_32BIT_KERNEL
1762 select CPU_SUPPORTS_64BIT_KERNEL
1763 select CPU_SUPPORTS_HIGHMEM
1c773ea4
J
1764 select WEAK_ORDERING
1765 select WEAK_REORDERING_BEYOND_LLSC
1766 select CPU_HAS_PREFETCH
932afdee 1767 select CPU_HAS_LOAD_STORE_LR
d6504846 1768 select CPU_MIPSR2
ddba6833 1769 select CPU_SUPPORTS_HUGEPAGES
2db003a5 1770 select MIPS_ASID_BITS_VARIABLE
1c773ea4
J
1771 help
1772 Netlogic Microsystems XLP processors.
1da177e4
LT
1773endchoice
1774
a6e18781
LY
1775config CPU_MIPS32_3_5_FEATURES
1776 bool "MIPS32 Release 3.5 Features"
1777 depends on SYS_HAS_CPU_MIPS32_R3_5
7fd08ca5 1778 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
a6e18781
LY
1779 help
1780 Choose this option to build a kernel for release 2 or later of the
1781 MIPS32 architecture including features from the 3.5 release such as
1782 support for Enhanced Virtual Addressing (EVA).
1783
1784config CPU_MIPS32_3_5_EVA
1785 bool "Enhanced Virtual Addressing (EVA)"
1786 depends on CPU_MIPS32_3_5_FEATURES
1787 select EVA
1788 default y
1789 help
1790 Choose this option if you want to enable the Enhanced Virtual
1791 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1792 One of its primary benefits is an increase in the maximum size
1793 of lowmem (up to 3GB). If unsure, say 'N' here.
1794
c5b36783
SH
1795config CPU_MIPS32_R5_FEATURES
1796 bool "MIPS32 Release 5 Features"
1797 depends on SYS_HAS_CPU_MIPS32_R5
1798 depends on CPU_MIPS32_R2
1799 help
1800 Choose this option to build a kernel for release 2 or later of the
1801 MIPS32 architecture including features from release 5 such as
1802 support for Extended Physical Addressing (XPA).
1803
1804config CPU_MIPS32_R5_XPA
1805 bool "Extended Physical Addressing (XPA)"
1806 depends on CPU_MIPS32_R5_FEATURES
1807 depends on !EVA
1808 depends on !PAGE_SIZE_4KB
1809 depends on SYS_SUPPORTS_HIGHMEM
1810 select XPA
1811 select HIGHMEM
d4a451d5 1812 select PHYS_ADDR_T_64BIT
c5b36783
SH
1813 default n
1814 help
1815 Choose this option if you want to enable the Extended Physical
1816 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1817 benefit is to increase physical addressing equal to or greater
1818 than 40 bits. Note that this has the side effect of turning on
1819 64-bit addressing which in turn makes the PTEs 64-bit in size.
1820 If unsure, say 'N' here.
1821
622844bf
WZ
1822if CPU_LOONGSON2F
1823config CPU_NOP_WORKAROUNDS
1824 bool
1825
1826config CPU_JUMP_WORKAROUNDS
1827 bool
1828
1829config CPU_LOONGSON2F_WORKAROUNDS
1830 bool "Loongson 2F Workarounds"
1831 default y
1832 select CPU_NOP_WORKAROUNDS
1833 select CPU_JUMP_WORKAROUNDS
1834 help
1835 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1836 require workarounds. Without workarounds the system may hang
1837 unexpectedly. For more information please refer to the gas
1838 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1839
1840 Loongson 2F03 and later have fixed these issues and no workarounds
1841 are needed. The workarounds have no significant side effect on them
1842 but may decrease the performance of the system so this option should
1843 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1844 systems.
1845
1846 If unsure, please say Y.
1847endif # CPU_LOONGSON2F
1848
1b93b3c3
WZ
1849config SYS_SUPPORTS_ZBOOT
1850 bool
1851 select HAVE_KERNEL_GZIP
1852 select HAVE_KERNEL_BZIP2
31c4867d 1853 select HAVE_KERNEL_LZ4
1b93b3c3 1854 select HAVE_KERNEL_LZMA
fe1d45e0 1855 select HAVE_KERNEL_LZO
4e23eb63 1856 select HAVE_KERNEL_XZ
1b93b3c3
WZ
1857
1858config SYS_SUPPORTS_ZBOOT_UART16550
1859 bool
1860 select SYS_SUPPORTS_ZBOOT
1861
dbb98314
AB
1862config SYS_SUPPORTS_ZBOOT_UART_PROM
1863 bool
1864 select SYS_SUPPORTS_ZBOOT
1865
3702bba5
WZ
1866config CPU_LOONGSON2
1867 bool
1868 select CPU_SUPPORTS_32BIT_KERNEL
1869 select CPU_SUPPORTS_64BIT_KERNEL
1870 select CPU_SUPPORTS_HIGHMEM
970d032f 1871 select CPU_SUPPORTS_HUGEPAGES
e905086e 1872 select ARCH_HAS_PHYS_TO_DMA
932afdee 1873 select CPU_HAS_LOAD_STORE_LR
3702bba5 1874
ca585cf9
KC
1875config CPU_LOONGSON1
1876 bool
1877 select CPU_MIPS32
7e280f6b 1878 select CPU_MIPSR2
ca585cf9 1879 select CPU_HAS_PREFETCH
932afdee 1880 select CPU_HAS_LOAD_STORE_LR
ca585cf9
KC
1881 select CPU_SUPPORTS_32BIT_KERNEL
1882 select CPU_SUPPORTS_HIGHMEM
f29ad10d 1883 select CPU_SUPPORTS_CPUFREQ
ca585cf9 1884
fe7f62c0 1885config CPU_BMIPS32_3300
04fa8bf7 1886 select SMP_UP if SMP
1bbb6c1b 1887 bool
cd746249
JG
1888
1889config CPU_BMIPS4350
1890 bool
1891 select SYS_SUPPORTS_SMP
1892 select SYS_SUPPORTS_HOTPLUG_CPU
1893
1894config CPU_BMIPS4380
1895 bool
bbf2ba67 1896 select MIPS_L1_CACHE_SHIFT_6
cd746249
JG
1897 select SYS_SUPPORTS_SMP
1898 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1899 select CPU_HAS_RIXI
cd746249
JG
1900
1901config CPU_BMIPS5000
1902 bool
cd746249 1903 select MIPS_CPU_SCACHE
bbf2ba67 1904 select MIPS_L1_CACHE_SHIFT_7
cd746249
JG
1905 select SYS_SUPPORTS_SMP
1906 select SYS_SUPPORTS_HOTPLUG_CPU
b4720809 1907 select CPU_HAS_RIXI
1bbb6c1b 1908
0e476d91
HC
1909config SYS_HAS_CPU_LOONGSON3
1910 bool
1911 select CPU_SUPPORTS_CPUFREQ
b2edcfc8 1912 select CPU_HAS_RIXI
0e476d91 1913
3702bba5 1914config SYS_HAS_CPU_LOONGSON2E
2a21c730
FZ
1915 bool
1916
6f7a251a
WZ
1917config SYS_HAS_CPU_LOONGSON2F
1918 bool
55045ff5
WZ
1919 select CPU_SUPPORTS_CPUFREQ
1920 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
22f1fdfd 1921 select CPU_SUPPORTS_UNCACHED_ACCELERATED
6f7a251a 1922
ca585cf9
KC
1923config SYS_HAS_CPU_LOONGSON1B
1924 bool
1925
12e3280b
YL
1926config SYS_HAS_CPU_LOONGSON1C
1927 bool
1928
7cf8053b
RB
1929config SYS_HAS_CPU_MIPS32_R1
1930 bool
1931
1932config SYS_HAS_CPU_MIPS32_R2
1933 bool
1934
a6e18781
LY
1935config SYS_HAS_CPU_MIPS32_R3_5
1936 bool
1937
c5b36783
SH
1938config SYS_HAS_CPU_MIPS32_R5
1939 bool
9ae1f262 1940 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
c5b36783 1941
7fd08ca5
LY
1942config SYS_HAS_CPU_MIPS32_R6
1943 bool
9ae1f262 1944 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
7fd08ca5 1945
7cf8053b
RB
1946config SYS_HAS_CPU_MIPS64_R1
1947 bool
1948
1949config SYS_HAS_CPU_MIPS64_R2
1950 bool
1951
7fd08ca5
LY
1952config SYS_HAS_CPU_MIPS64_R6
1953 bool
9ae1f262 1954 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
7fd08ca5 1955
7cf8053b
RB
1956config SYS_HAS_CPU_R3000
1957 bool
1958
1959config SYS_HAS_CPU_TX39XX
1960 bool
1961
1962config SYS_HAS_CPU_VR41XX
1963 bool
1964
7cf8053b
RB
1965config SYS_HAS_CPU_R4X00
1966 bool
1967
1968config SYS_HAS_CPU_TX49XX
1969 bool
1970
1971config SYS_HAS_CPU_R5000
1972 bool
1973
542c1020
SK
1974config SYS_HAS_CPU_R5500
1975 bool
1976
7cf8053b
RB
1977config SYS_HAS_CPU_NEVADA
1978 bool
1979
7cf8053b
RB
1980config SYS_HAS_CPU_R10000
1981 bool
9ae1f262 1982 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
7cf8053b
RB
1983
1984config SYS_HAS_CPU_RM7000
1985 bool
1986
7cf8053b
RB
1987config SYS_HAS_CPU_SB1
1988 bool
1989
5e683389
DD
1990config SYS_HAS_CPU_CAVIUM_OCTEON
1991 bool
1992
cd746249 1993config SYS_HAS_CPU_BMIPS
c1c0c461
KC
1994 bool
1995
fe7f62c0 1996config SYS_HAS_CPU_BMIPS32_3300
c1c0c461 1997 bool
cd746249 1998 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
1999
2000config SYS_HAS_CPU_BMIPS4350
2001 bool
cd746249 2002 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
2003
2004config SYS_HAS_CPU_BMIPS4380
2005 bool
cd746249 2006 select SYS_HAS_CPU_BMIPS
c1c0c461
KC
2007
2008config SYS_HAS_CPU_BMIPS5000
2009 bool
cd746249 2010 select SYS_HAS_CPU_BMIPS
f263f2a2 2011 select ARCH_HAS_SYNC_DMA_FOR_CPU
c1c0c461 2012
7f058e85
J
2013config SYS_HAS_CPU_XLR
2014 bool
2015
1c773ea4
J
2016config SYS_HAS_CPU_XLP
2017 bool
2018
17099b11
RB
2019#
2020# CPU may reorder R->R, R->W, W->R, W->W
2021# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
2022#
0004a9df
RB
2023config WEAK_ORDERING
2024 bool
17099b11
RB
2025
2026#
2027# CPU may reorder reads and writes beyond LL/SC
2028# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2029#
2030config WEAK_REORDERING_BEYOND_LLSC
2031 bool
5e83d430
RB
2032endmenu
2033
2034#
c09b47d8 2035# These two indicate any level of the MIPS32 and MIPS64 architecture
5e83d430
RB
2036#
2037config CPU_MIPS32
2038 bool
7fd08ca5 2039 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
5e83d430
RB
2040
2041config CPU_MIPS64
2042 bool
7fd08ca5 2043 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
5e83d430
RB
2044
2045#
57eeaced 2046# These indicate the revision of the architecture
5e83d430
RB
2047#
2048config CPU_MIPSR1
2049 bool
2050 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
2051
2052config CPU_MIPSR2
2053 bool
a86c7f72 2054 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
8256b17e 2055 select CPU_HAS_RIXI
a7e07b1a 2056 select MIPS_SPRAM
5e83d430 2057
7fd08ca5
LY
2058config CPU_MIPSR6
2059 bool
2060 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
8256b17e 2061 select CPU_HAS_RIXI
87321fdd 2062 select HAVE_ARCH_BITREVERSE
2db003a5 2063 select MIPS_ASID_BITS_VARIABLE
4a5dc51e 2064 select MIPS_CRC_SUPPORT
a7e07b1a 2065 select MIPS_SPRAM
5e83d430 2066
57eeaced
PB
2067config TARGET_ISA_REV
2068 int
2069 default 1 if CPU_MIPSR1
2070 default 2 if CPU_MIPSR2
2071 default 6 if CPU_MIPSR6
2072 default 0
2073 help
2074 Reflects the ISA revision being targeted by the kernel build. This
2075 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2076
a6e18781
LY
2077config EVA
2078 bool
2079
c5b36783
SH
2080config XPA
2081 bool
2082
5e83d430
RB
2083config SYS_SUPPORTS_32BIT_KERNEL
2084 bool
2085config SYS_SUPPORTS_64BIT_KERNEL
2086 bool
2087config CPU_SUPPORTS_32BIT_KERNEL
2088 bool
2089config CPU_SUPPORTS_64BIT_KERNEL
2090 bool
55045ff5
WZ
2091config CPU_SUPPORTS_CPUFREQ
2092 bool
2093config CPU_SUPPORTS_ADDRWINCFG
2094 bool
9cffd154
DD
2095config CPU_SUPPORTS_HUGEPAGES
2096 bool
171543e7 2097 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
22f1fdfd
WZ
2098config CPU_SUPPORTS_UNCACHED_ACCELERATED
2099 bool
82622284
DD
2100config MIPS_PGD_C0_CONTEXT
2101 bool
cebf8c0f 2102 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
5e83d430 2103
8192c9ea
DD
2104#
2105# Set to y for ptrace access to watch registers.
2106#
2107config HARDWARE_WATCHPOINTS
371a4151
EWI
2108 bool
2109 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
8192c9ea 2110
5e83d430
RB
2111menu "Kernel type"
2112
2113choice
5e83d430
RB
2114 prompt "Kernel code model"
2115 help
2116 You should only select this option if you have a workload that
2117 actually benefits from 64-bit processing or if your machine has
2118 large memory. You will only be presented a single option in this
2119 menu if your system does not support both 32-bit and 64-bit kernels.
2120
2121config 32BIT
2122 bool "32-bit kernel"
2123 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2124 select TRAD_SIGNALS
2125 help
2126 Select this option if you want to build a 32-bit kernel.
f17c4ca3 2127
5e83d430
RB
2128config 64BIT
2129 bool "64-bit kernel"
2130 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2131 help
2132 Select this option if you want to build a 64-bit kernel.
2133
2134endchoice
2135
2235a54d
SL
2136config KVM_GUEST
2137 bool "KVM Guest Kernel"
f2a5b1d7 2138 depends on BROKEN_ON_SMP
2235a54d 2139 help
caa1faa7
JH
2140 Select this option if building a guest kernel for KVM (Trap & Emulate)
2141 mode.
2235a54d 2142
eda3d33c
JH
2143config KVM_GUEST_TIMER_FREQ
2144 int "Count/Compare Timer Frequency (MHz)"
2235a54d 2145 depends on KVM_GUEST
eda3d33c 2146 default 100
2235a54d 2147 help
eda3d33c
JH
2148 Set this to non-zero if building a guest kernel for KVM to skip RTC
2149 emulation when determining guest CPU Frequency. Instead, the guest's
2150 timer frequency is specified directly.
2235a54d 2151
1e321fa9
LY
2152config MIPS_VA_BITS_48
2153 bool "48 bits virtual memory"
2154 depends on 64BIT
2155 help
3377e227
AB
2156 Support a maximum at least 48 bits of application virtual
2157 memory. Default is 40 bits or less, depending on the CPU.
2158 For page sizes 16k and above, this option results in a small
2159 memory overhead for page tables. For 4k page size, a fourth
2160 level of page tables is added which imposes both a memory
2161 overhead as well as slower TLB fault handling.
2162
1e321fa9
LY
2163 If unsure, say N.
2164
1da177e4
LT
2165choice
2166 prompt "Kernel page size"
2167 default PAGE_SIZE_4KB
2168
2169config PAGE_SIZE_4KB
2170 bool "4kB"
0e476d91 2171 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
1da177e4 2172 help
371a4151
EWI
2173 This option select the standard 4kB Linux page size. On some
2174 R3000-family processors this is the only available page size. Using
2175 4kB page size will minimize memory consumption and is therefore
2176 recommended for low memory systems.
1da177e4
LT
2177
2178config PAGE_SIZE_8KB
2179 bool "8kB"
c2aeaaea 2180 depends on CPU_CAVIUM_OCTEON
1e321fa9 2181 depends on !MIPS_VA_BITS_48
1da177e4
LT
2182 help
2183 Using 8kB page size will result in higher performance kernel at
2184 the price of higher memory consumption. This option is available
c2aeaaea
PB
2185 only on cnMIPS processors. Note that you will need a suitable Linux
2186 distribution to support this.
1da177e4
LT
2187
2188config PAGE_SIZE_16KB
2189 bool "16kB"
714bfad6 2190 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2191 help
2192 Using 16kB page size will result in higher performance kernel at
2193 the price of higher memory consumption. This option is available on
714bfad6
RB
2194 all non-R3000 family processors. Note that you will need a suitable
2195 Linux distribution to support this.
1da177e4 2196
c52399be
RB
2197config PAGE_SIZE_32KB
2198 bool "32kB"
2199 depends on CPU_CAVIUM_OCTEON
1e321fa9 2200 depends on !MIPS_VA_BITS_48
c52399be
RB
2201 help
2202 Using 32kB page size will result in higher performance kernel at
2203 the price of higher memory consumption. This option is available
2204 only on cnMIPS cores. Note that you will need a suitable Linux
2205 distribution to support this.
2206
1da177e4
LT
2207config PAGE_SIZE_64KB
2208 bool "64kB"
3b2db173 2209 depends on !CPU_R3000 && !CPU_TX39XX
1da177e4
LT
2210 help
2211 Using 64kB page size will result in higher performance kernel at
2212 the price of higher memory consumption. This option is available on
2213 all non-R3000 family processor. Not that at the time of this
714bfad6 2214 writing this option is still high experimental.
1da177e4
LT
2215
2216endchoice
2217
c9bace7c
DD
2218config FORCE_MAX_ZONEORDER
2219 int "Maximum zone order"
e4362d1e
AS
2220 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2221 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2222 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2223 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2224 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2225 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
c9bace7c
DD
2226 range 11 64
2227 default "11"
2228 help
2229 The kernel memory allocator divides physically contiguous memory
2230 blocks into "zones", where each zone is a power of two number of
2231 pages. This option selects the largest power of two that the kernel
2232 keeps in the memory allocator. If you need to allocate very large
2233 blocks of physically contiguous memory, then you may need to
2234 increase this value.
2235
2236 This config option is actually maximum order plus one. For example,
2237 a value of 11 means that the largest free memory block is 2^10 pages.
2238
2239 The page size is not necessarily 4KB. Keep this in mind
2240 when choosing a value for this option.
2241
1da177e4
LT
2242config BOARD_SCACHE
2243 bool
2244
2245config IP22_CPU_SCACHE
2246 bool
2247 select BOARD_SCACHE
2248
9318c51a
CD
2249#
2250# Support for a MIPS32 / MIPS64 style S-caches
2251#
2252config MIPS_CPU_SCACHE
2253 bool
2254 select BOARD_SCACHE
2255
1da177e4
LT
2256config R5000_CPU_SCACHE
2257 bool
2258 select BOARD_SCACHE
2259
2260config RM7000_CPU_SCACHE
2261 bool
2262 select BOARD_SCACHE
2263
2264config SIBYTE_DMA_PAGEOPS
2265 bool "Use DMA to clear/copy pages"
2266 depends on CPU_SB1
2267 help
2268 Instead of using the CPU to zero and copy pages, use a Data Mover
2269 channel. These DMA channels are otherwise unused by the standard
2270 SiByte Linux port. Seems to give a small performance benefit.
2271
2272config CPU_HAS_PREFETCH
c8094b53 2273 bool
1da177e4 2274
3165c846
FF
2275config CPU_GENERIC_DUMP_TLB
2276 bool
c2aeaaea 2277 default y if !(CPU_R3000 || CPU_TX39XX)
3165c846 2278
c92e47e5 2279config MIPS_FP_SUPPORT
183b40f9
PB
2280 bool "Floating Point support" if EXPERT
2281 default y
2282 help
2283 Select y to include support for floating point in the kernel
2284 including initialization of FPU hardware, FP context save & restore
2285 and emulation of an FPU where necessary. Without this support any
2286 userland program attempting to use floating point instructions will
2287 receive a SIGILL.
2288
2289 If you know that your userland will not attempt to use floating point
2290 instructions then you can say n here to shrink the kernel a little.
2291
2292 If unsure, say y.
c92e47e5 2293
97f7dcbf
PB
2294config CPU_R2300_FPU
2295 bool
c92e47e5 2296 depends on MIPS_FP_SUPPORT
97f7dcbf
PB
2297 default y if CPU_R3000 || CPU_TX39XX
2298
54746829
PB
2299config CPU_R3K_TLB
2300 bool
2301
91405eb6
FF
2302config CPU_R4K_FPU
2303 bool
c92e47e5 2304 depends on MIPS_FP_SUPPORT
97f7dcbf 2305 default y if !CPU_R2300_FPU
91405eb6 2306
62cedc4f
FF
2307config CPU_R4K_CACHE_TLB
2308 bool
54746829 2309 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
62cedc4f 2310
59d6ab86 2311config MIPS_MT_SMP
a92b7f87 2312 bool "MIPS MT SMP support (1 TC on each available VPE)"
5cbf9688 2313 default y
527f1028 2314 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
f7062ddb 2315 select CPU_MIPSR2_IRQ_VI
d725cf38 2316 select CPU_MIPSR2_IRQ_EI
c080faa5 2317 select SYNC_R4K
f41ae0b2 2318 select MIPS_MT
41c594ab 2319 select SMP
87353d8a 2320 select SMP_UP
c080faa5
SH
2321 select SYS_SUPPORTS_SMP
2322 select SYS_SUPPORTS_SCHED_SMT
399aaa25 2323 select MIPS_PERF_SHARED_TC_COUNTERS
f41ae0b2 2324 help
c080faa5
SH
2325 This is a kernel model which is known as SMVP. This is supported
2326 on cores with the MT ASE and uses the available VPEs to implement
2327 virtual processors which supports SMP. This is equivalent to the
2328 Intel Hyperthreading feature. For further information go to
2329 <http://www.imgtec.com/mips/mips-multithreading.asp>.
41c594ab 2330
f41ae0b2
RB
2331config MIPS_MT
2332 bool
2333
0ab7aefc
RB
2334config SCHED_SMT
2335 bool "SMT (multithreading) scheduler support"
2336 depends on SYS_SUPPORTS_SCHED_SMT
2337 default n
2338 help
2339 SMT scheduler support improves the CPU scheduler's decision making
2340 when dealing with MIPS MT enabled cores at a cost of slightly
2341 increased overhead in some places. If unsure say N here.
2342
2343config SYS_SUPPORTS_SCHED_SMT
2344 bool
2345
f41ae0b2
RB
2346config SYS_SUPPORTS_MULTITHREADING
2347 bool
2348
f088fc84
RB
2349config MIPS_MT_FPAFF
2350 bool "Dynamic FPU affinity for FP-intensive threads"
f088fc84 2351 default y
b633648c 2352 depends on MIPS_MT_SMP
07cc0c9e 2353
b0a668fb
LY
2354config MIPSR2_TO_R6_EMULATOR
2355 bool "MIPS R2-to-R6 emulator"
9eaa9a82 2356 depends on CPU_MIPSR6
c92e47e5 2357 depends on MIPS_FP_SUPPORT
b0a668fb
LY
2358 default y
2359 help
2360 Choose this option if you want to run non-R6 MIPS userland code.
2361 Even if you say 'Y' here, the emulator will still be disabled by
07edf0d4 2362 default. You can enable it using the 'mipsr2emu' kernel option.
b0a668fb
LY
2363 The only reason this is a build-time option is to save ~14K from the
2364 final kernel image.
b0a668fb 2365
f35764e7
JH
2366config SYS_SUPPORTS_VPE_LOADER
2367 bool
2368 depends on SYS_SUPPORTS_MULTITHREADING
2369 help
2370 Indicates that the platform supports the VPE loader, and provides
2371 physical_memsize.
2372
07cc0c9e
RB
2373config MIPS_VPE_LOADER
2374 bool "VPE loader support."
f35764e7 2375 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
07cc0c9e
RB
2376 select CPU_MIPSR2_IRQ_VI
2377 select CPU_MIPSR2_IRQ_EI
07cc0c9e
RB
2378 select MIPS_MT
2379 help
2380 Includes a loader for loading an elf relocatable object
2381 onto another VPE and running it.
f088fc84 2382
17a1d523
DZ
2383config MIPS_VPE_LOADER_CMP
2384 bool
2385 default "y"
2386 depends on MIPS_VPE_LOADER && MIPS_CMP
2387
1a2a6d7e
DZ
2388config MIPS_VPE_LOADER_MT
2389 bool
2390 default "y"
2391 depends on MIPS_VPE_LOADER && !MIPS_CMP
2392
e01402b1
RB
2393config MIPS_VPE_LOADER_TOM
2394 bool "Load VPE program into memory hidden from linux"
2395 depends on MIPS_VPE_LOADER
2396 default y
2397 help
2398 The loader can use memory that is present but has been hidden from
2399 Linux using the kernel command line option "mem=xxMB". It's up to
2400 you to ensure the amount you put in the option and the space your
2401 program requires is less or equal to the amount physically present.
2402
e01402b1 2403config MIPS_VPE_APSP_API
5e83d430
RB
2404 bool "Enable support for AP/SP API (RTLX)"
2405 depends on MIPS_VPE_LOADER
e01402b1 2406
da615cf6
DZ
2407config MIPS_VPE_APSP_API_CMP
2408 bool
2409 default "y"
2410 depends on MIPS_VPE_APSP_API && MIPS_CMP
2411
2c973ef0
DZ
2412config MIPS_VPE_APSP_API_MT
2413 bool
2414 default "y"
2415 depends on MIPS_VPE_APSP_API && !MIPS_CMP
2416
4a16ff4c 2417config MIPS_CMP
5cac93b3 2418 bool "MIPS CMP framework support (DEPRECATED)"
5676319c 2419 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
b10b43ba 2420 select SMP
eb9b5141 2421 select SYNC_R4K
b10b43ba 2422 select SYS_SUPPORTS_SMP
4a16ff4c
RB
2423 select WEAK_ORDERING
2424 default n
2425 help
044505c7
PB
2426 Select this if you are using a bootloader which implements the "CMP
2427 framework" protocol (ie. YAMON) and want your kernel to make use of
2428 its ability to start secondary CPUs.
4a16ff4c 2429
5cac93b3
PB
2430 Unless you have a specific need, you should use CONFIG_MIPS_CPS
2431 instead of this.
2432
0ee958e1
PB
2433config MIPS_CPS
2434 bool "MIPS Coherent Processing System support"
5a3e7c02 2435 depends on SYS_SUPPORTS_MIPS_CPS
0ee958e1 2436 select MIPS_CM
1d8f1f5a 2437 select MIPS_CPS_PM if HOTPLUG_CPU
0ee958e1
PB
2438 select SMP
2439 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
1d8f1f5a 2440 select SYS_SUPPORTS_HOTPLUG_CPU
c8b7712c 2441 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
0ee958e1
PB
2442 select SYS_SUPPORTS_SMP
2443 select WEAK_ORDERING
2444 help
2445 Select this if you wish to run an SMP kernel across multiple cores
2446 within a MIPS Coherent Processing System. When this option is
2447 enabled the kernel will probe for other cores and boot them with
2448 no external assistance. It is safe to enable this when hardware
2449 support is unavailable.
2450
3179d37e 2451config MIPS_CPS_PM
39a59593 2452 depends on MIPS_CPS
3179d37e
PB
2453 bool
2454
9f98f3dd
PB
2455config MIPS_CM
2456 bool
3c9b4166 2457 select MIPS_CPC
9f98f3dd 2458
9c38cf44
PB
2459config MIPS_CPC
2460 bool
4a16ff4c 2461
1da177e4
LT
2462config SB1_PASS_2_WORKAROUNDS
2463 bool
2464 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2465 default y
2466
2467config SB1_PASS_2_1_WORKAROUNDS
2468 bool
2469 depends on CPU_SB1 && CPU_SB1_PASS_2
2470 default y
2471
9e2b5372
MC
2472choice
2473 prompt "SmartMIPS or microMIPS ASE support"
2474
2475config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2476 bool "None"
2477 help
2478 Select this if you want neither microMIPS nor SmartMIPS support
2479
9693a853
FBH
2480config CPU_HAS_SMARTMIPS
2481 depends on SYS_SUPPORTS_SMARTMIPS
9e2b5372 2482 bool "SmartMIPS"
9693a853
FBH
2483 help
2484 SmartMIPS is a extension of the MIPS32 architecture aimed at
2485 increased security at both hardware and software level for
2486 smartcards. Enabling this option will allow proper use of the
2487 SmartMIPS instructions by Linux applications. However a kernel with
2488 this option will not work on a MIPS core without SmartMIPS core. If
2489 you don't know you probably don't have SmartMIPS and should say N
2490 here.
2491
bce86083 2492config CPU_MICROMIPS
7fd08ca5 2493 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
9e2b5372 2494 bool "microMIPS"
bce86083
SH
2495 help
2496 When this option is enabled the kernel will be built using the
2497 microMIPS ISA
2498
9e2b5372
MC
2499endchoice
2500
a5e9a69e 2501config CPU_HAS_MSA
0ce3417e 2502 bool "Support for the MIPS SIMD Architecture"
a5e9a69e 2503 depends on CPU_SUPPORTS_MSA
c92e47e5 2504 depends on MIPS_FP_SUPPORT
2a6cb669 2505 depends on 64BIT || MIPS_O32_FP64_SUPPORT
a5e9a69e
PB
2506 help
2507 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2508 and a set of SIMD instructions to operate on them. When this option
1db1af84
PB
2509 is enabled the kernel will support allocating & switching MSA
2510 vector register contexts. If you know that your kernel will only be
2511 running on CPUs which do not support MSA or that your userland will
2512 not be making use of it then you may wish to say N here to reduce
2513 the size & complexity of your kernel.
a5e9a69e
PB
2514
2515 If unsure, say Y.
2516
1da177e4 2517config CPU_HAS_WB
f7062ddb 2518 bool
e01402b1 2519
df0ac8a4
KC
2520config XKS01
2521 bool
2522
8256b17e
FF
2523config CPU_HAS_RIXI
2524 bool
2525
932afdee
YC
2526config CPU_HAS_LOAD_STORE_LR
2527 bool
2528 help
2529 CPU has support for unaligned load and store instructions:
2530 LWL, LWR, SWL, SWR (Load/store word left/right).
2531 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2532
f41ae0b2
RB
2533#
2534# Vectored interrupt mode is an R2 feature
2535#
e01402b1 2536config CPU_MIPSR2_IRQ_VI
f41ae0b2 2537 bool
e01402b1 2538
f41ae0b2
RB
2539#
2540# Extended interrupt mode is an R2 feature
2541#
e01402b1 2542config CPU_MIPSR2_IRQ_EI
f41ae0b2 2543 bool
e01402b1 2544
1da177e4
LT
2545config CPU_HAS_SYNC
2546 bool
2547 depends on !CPU_R3000
2548 default y
2549
20d60d99
MR
2550#
2551# CPU non-features
2552#
2553config CPU_DADDI_WORKAROUNDS
2554 bool
2555
2556config CPU_R4000_WORKAROUNDS
2557 bool
2558 select CPU_R4400_WORKAROUNDS
2559
2560config CPU_R4400_WORKAROUNDS
2561 bool
2562
4edf00a4
PB
2563config MIPS_ASID_SHIFT
2564 int
2565 default 6 if CPU_R3000 || CPU_TX39XX
4edf00a4
PB
2566 default 0
2567
2568config MIPS_ASID_BITS
2569 int
2db003a5 2570 default 0 if MIPS_ASID_BITS_VARIABLE
4edf00a4
PB
2571 default 6 if CPU_R3000 || CPU_TX39XX
2572 default 8
2573
2db003a5
PB
2574config MIPS_ASID_BITS_VARIABLE
2575 bool
2576
4a5dc51e
MN
2577config MIPS_CRC_SUPPORT
2578 bool
2579
1da177e4
LT
2580#
2581# - Highmem only makes sense for the 32-bit kernel.
2582# - The current highmem code will only work properly on physically indexed
2583# caches such as R3000, SB1, R7000 or those that look like they're virtually
2584# indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2585# moment we protect the user and offer the highmem option only on machines
2586# where it's known to be safe. This will not offer highmem on a few systems
2587# such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2588# indexed CPUs but we're playing safe.
797798c1
RB
2589# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2590# know they might have memory configurations that could make use of highmem
2591# support.
1da177e4
LT
2592#
2593config HIGHMEM
2594 bool "High Memory Support"
a6e18781 2595 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
797798c1
RB
2596
2597config CPU_SUPPORTS_HIGHMEM
2598 bool
2599
2600config SYS_SUPPORTS_HIGHMEM
2601 bool
1da177e4 2602
9693a853
FBH
2603config SYS_SUPPORTS_SMARTMIPS
2604 bool
2605
a6a4834c
SH
2606config SYS_SUPPORTS_MICROMIPS
2607 bool
2608
377cb1b6
RB
2609config SYS_SUPPORTS_MIPS16
2610 bool
2611 help
2612 This option must be set if a kernel might be executed on a MIPS16-
2613 enabled CPU even if MIPS16 is not actually being used. In other
2614 words, it makes the kernel MIPS16-tolerant.
2615
a5e9a69e
PB
2616config CPU_SUPPORTS_MSA
2617 bool
2618
b4819b59
YY
2619config ARCH_FLATMEM_ENABLE
2620 def_bool y
f133f22d 2621 depends on !NUMA && !CPU_LOONGSON2
b4819b59 2622
d8cb4e11
RB
2623config ARCH_DISCONTIGMEM_ENABLE
2624 bool
2625 default y if SGI_IP27
2626 help
3dde6ad8 2627 Say Y to support efficient handling of discontiguous physical memory,
d8cb4e11
RB
2628 for architectures which are either NUMA (Non-Uniform Memory Access)
2629 or have huge holes in the physical address space for other reasons.
ad56b738 2630 See <file:Documentation/vm/numa.rst> for more.
d8cb4e11 2631
31473747
AN
2632config ARCH_SPARSEMEM_ENABLE
2633 bool
7de58fab 2634 select SPARSEMEM_STATIC
31473747 2635
d8cb4e11
RB
2636config NUMA
2637 bool "NUMA Support"
2638 depends on SYS_SUPPORTS_NUMA
2639 help
2640 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2641 Access). This option improves performance on systems with more
2642 than two nodes; on two node systems it is generally better to
2643 leave it disabled; on single node systems disable this option
2644 disabled.
2645
2646config SYS_SUPPORTS_NUMA
2647 bool
2648
8c530ea3
MR
2649config RELOCATABLE
2650 bool "Relocatable kernel"
3ff72be4 2651 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
8c530ea3
MR
2652 help
2653 This builds a kernel image that retains relocation information
2654 so it can be loaded someplace besides the default 1MB.
2655 The relocations make the kernel binary about 15% larger,
2656 but are discarded at runtime
2657
069fd766
MR
2658config RELOCATION_TABLE_SIZE
2659 hex "Relocation table size"
2660 depends on RELOCATABLE
2661 range 0x0 0x01000000
2662 default "0x00100000"
2663 ---help---
2664 A table of relocation data will be appended to the kernel binary
2665 and parsed at boot to fix up the relocated kernel.
2666
2667 This option allows the amount of space reserved for the table to be
2668 adjusted, although the default of 1Mb should be ok in most cases.
2669
2670 The build will fail and a valid size suggested if this is too small.
2671
2672 If unsure, leave at the default value.
2673
405bc8fd
MR
2674config RANDOMIZE_BASE
2675 bool "Randomize the address of the kernel image"
2676 depends on RELOCATABLE
2677 ---help---
371a4151
EWI
2678 Randomizes the physical and virtual address at which the
2679 kernel image is loaded, as a security feature that
2680 deters exploit attempts relying on knowledge of the location
2681 of kernel internals.
405bc8fd 2682
371a4151 2683 Entropy is generated using any coprocessor 0 registers available.
405bc8fd 2684
371a4151 2685 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
405bc8fd 2686
371a4151 2687 If unsure, say N.
405bc8fd
MR
2688
2689config RANDOMIZE_BASE_MAX_OFFSET
2690 hex "Maximum kASLR offset" if EXPERT
2691 depends on RANDOMIZE_BASE
2692 range 0x0 0x40000000 if EVA || 64BIT
2693 range 0x0 0x08000000
2694 default "0x01000000"
2695 ---help---
2696 When kASLR is active, this provides the maximum offset that will
2697 be applied to the kernel image. It should be set according to the
2698 amount of physical RAM available in the target system minus
2699 PHYSICAL_START and must be a power of 2.
2700
2701 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2702 EVA or 64-bit. The default is 16Mb.
2703
c80d79d7
YG
2704config NODES_SHIFT
2705 int
2706 default "6"
2707 depends on NEED_MULTIPLE_NODES
2708
14f70012
DZ
2709config HW_PERF_EVENTS
2710 bool "Enable hardware performance counter support for perf events"
23021b2b 2711 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
14f70012
DZ
2712 default y
2713 help
2714 Enable hardware performance counter support for perf events. If
2715 disabled, perf events will use software events only.
2716
1da177e4
LT
2717config SMP
2718 bool "Multi-Processing support"
e73ea273
RB
2719 depends on SYS_SUPPORTS_SMP
2720 help
1da177e4 2721 This enables support for systems with more than one CPU. If you have
4a474157
RG
2722 a system with only one CPU, say N. If you have a system with more
2723 than one CPU, say Y.
1da177e4 2724
4a474157 2725 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
2726 machines, but will use only one CPU of a multiprocessor machine. If
2727 you say Y here, the kernel will run on many, but not all,
4a474157 2728 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
2729 will run faster if you say N here.
2730
2731 People using multiprocessor machines who say Y here should also say
2732 Y to "Enhanced Real Time Clock Support", below.
2733
03502faa
AB
2734 See also the SMP-HOWTO available at
2735 <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
2736
2737 If you don't know what to do here, say N.
2738
7840d618
MR
2739config HOTPLUG_CPU
2740 bool "Support for hot-pluggable CPUs"
2741 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2742 help
2743 Say Y here to allow turning CPUs off and on. CPUs can be
2744 controlled through /sys/devices/system/cpu.
2745 (Note: power management support will enable this option
2746 automatically on SMP systems. )
2747 Say N if you want to disable CPU hotplug.
2748
87353d8a
RB
2749config SMP_UP
2750 bool
2751
4a16ff4c
RB
2752config SYS_SUPPORTS_MIPS_CMP
2753 bool
2754
0ee958e1
PB
2755config SYS_SUPPORTS_MIPS_CPS
2756 bool
2757
e73ea273
RB
2758config SYS_SUPPORTS_SMP
2759 bool
2760
130e2fb7
RB
2761config NR_CPUS_DEFAULT_4
2762 bool
2763
2764config NR_CPUS_DEFAULT_8
2765 bool
2766
2767config NR_CPUS_DEFAULT_16
2768 bool
2769
2770config NR_CPUS_DEFAULT_32
2771 bool
2772
2773config NR_CPUS_DEFAULT_64
2774 bool
2775
1da177e4 2776config NR_CPUS
a91796a9
J
2777 int "Maximum number of CPUs (2-256)"
2778 range 2 256
1da177e4 2779 depends on SMP
130e2fb7
RB
2780 default "4" if NR_CPUS_DEFAULT_4
2781 default "8" if NR_CPUS_DEFAULT_8
2782 default "16" if NR_CPUS_DEFAULT_16
2783 default "32" if NR_CPUS_DEFAULT_32
2784 default "64" if NR_CPUS_DEFAULT_64
1da177e4
LT
2785 help
2786 This allows you to specify the maximum number of CPUs which this
2787 kernel will support. The maximum supported value is 32 for 32-bit
2788 kernel and 64 for 64-bit kernels; the minimum value which makes
72ede9b1
AN
2789 sense is 1 for Qemu (useful only for kernel debugging purposes)
2790 and 2 for all others.
1da177e4
LT
2791
2792 This is purely to save memory - each supported CPU adds
72ede9b1
AN
2793 approximately eight kilobytes to the kernel image. For best
2794 performance should round up your number of processors to the next
2795 power of two.
1da177e4 2796
399aaa25
AC
2797config MIPS_PERF_SHARED_TC_COUNTERS
2798 bool
7820b84b
DD
2799
2800config MIPS_NR_CPU_NR_MAP_1024
2801 bool
2802
2803config MIPS_NR_CPU_NR_MAP
2804 int
2805 depends on SMP
2806 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2807 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
399aaa25 2808
1723b4a3
AN
2809#
2810# Timer Interrupt Frequency Configuration
2811#
2812
2813choice
2814 prompt "Timer frequency"
2815 default HZ_250
2816 help
371a4151 2817 Allows the configuration of the timer frequency.
1723b4a3 2818
67596573
PB
2819 config HZ_24
2820 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2821
1723b4a3 2822 config HZ_48
0f873585 2823 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1723b4a3
AN
2824
2825 config HZ_100
2826 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2827
2828 config HZ_128
2829 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2830
2831 config HZ_250
2832 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2833
2834 config HZ_256
2835 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2836
2837 config HZ_1000
2838 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2839
2840 config HZ_1024
2841 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2842
2843endchoice
2844
67596573
PB
2845config SYS_SUPPORTS_24HZ
2846 bool
2847
1723b4a3
AN
2848config SYS_SUPPORTS_48HZ
2849 bool
2850
2851config SYS_SUPPORTS_100HZ
2852 bool
2853
2854config SYS_SUPPORTS_128HZ
2855 bool
2856
2857config SYS_SUPPORTS_250HZ
2858 bool
2859
2860config SYS_SUPPORTS_256HZ
2861 bool
2862
2863config SYS_SUPPORTS_1000HZ
2864 bool
2865
2866config SYS_SUPPORTS_1024HZ
2867 bool
2868
2869config SYS_SUPPORTS_ARBIT_HZ
2870 bool
67596573
PB
2871 default y if !SYS_SUPPORTS_24HZ && \
2872 !SYS_SUPPORTS_48HZ && \
2873 !SYS_SUPPORTS_100HZ && \
2874 !SYS_SUPPORTS_128HZ && \
2875 !SYS_SUPPORTS_250HZ && \
2876 !SYS_SUPPORTS_256HZ && \
2877 !SYS_SUPPORTS_1000HZ && \
1723b4a3
AN
2878 !SYS_SUPPORTS_1024HZ
2879
2880config HZ
2881 int
67596573 2882 default 24 if HZ_24
1723b4a3
AN
2883 default 48 if HZ_48
2884 default 100 if HZ_100
2885 default 128 if HZ_128
2886 default 250 if HZ_250
2887 default 256 if HZ_256
2888 default 1000 if HZ_1000
2889 default 1024 if HZ_1024
2890
96685b17
DZ
2891config SCHED_HRTICK
2892 def_bool HIGH_RES_TIMERS
2893
ea6e942b 2894config KEXEC
7d60717e 2895 bool "Kexec system call"
2965faa5 2896 select KEXEC_CORE
ea6e942b
AN
2897 help
2898 kexec is a system call that implements the ability to shutdown your
2899 current kernel, and to start another kernel. It is like a reboot
3dde6ad8 2900 but it is independent of the system firmware. And like a reboot
ea6e942b
AN
2901 you can start any kernel with it, not just Linux.
2902
01dd2fbf 2903 The name comes from the similarity to the exec system call.
ea6e942b
AN
2904
2905 It is an ongoing process to be certain the hardware in a machine
2906 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
2907 initially work for you. As of this writing the exact hardware
2908 interface is strongly in flux, so no good recommendation can be
2909 made.
ea6e942b 2910
7aa1c8f4 2911config CRASH_DUMP
bff323d5
MN
2912 bool "Kernel crash dumps"
2913 help
7aa1c8f4
RB
2914 Generate crash dump after being started by kexec.
2915 This should be normally only set in special crash dump kernels
2916 which are loaded in the main kernel with kexec-tools into
2917 a specially reserved region and then later executed after
2918 a crash by kdump/kexec. The crash dump kernel must be compiled
2919 to a memory address not used by the main kernel or firmware using
2920 PHYSICAL_START.
2921
2922config PHYSICAL_START
bff323d5 2923 hex "Physical address where the kernel is loaded"
8bda3e26 2924 default "0xffffffff84000000"
bff323d5
MN
2925 depends on CRASH_DUMP
2926 help
7aa1c8f4
RB
2927 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2928 If you plan to use kernel for capturing the crash dump change
2929 this value to start of the reserved region (the "X" value as
2930 specified in the "crashkernel=YM@XM" command line boot parameter
2931 passed to the panic-ed kernel).
2932
ea6e942b
AN
2933config SECCOMP
2934 bool "Enable seccomp to safely compute untrusted bytecode"
293c5bd1 2935 depends on PROC_FS
ea6e942b
AN
2936 default y
2937 help
2938 This kernel feature is useful for number crunching applications
2939 that may need to compute untrusted bytecode during their
2940 execution. By using pipes or other transports made available to
2941 the process as file descriptors supporting the read/write
2942 syscalls, it's possible to isolate those applications in
2943 their own address space using seccomp. Once seccomp is
2944 enabled via /proc/<pid>/seccomp, it cannot be disabled
2945 and the task is only allowed to execute a few safe syscalls
2946 defined by each seccomp mode.
2947
2948 If unsure, say Y. Only embedded should say N here.
2949
597ce172 2950config MIPS_O32_FP64_SUPPORT
b7f1e273 2951 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
597ce172 2952 depends on 32BIT || MIPS32_O32
597ce172
PB
2953 help
2954 When this is enabled, the kernel will support use of 64-bit floating
2955 point registers with binaries using the O32 ABI along with the
2956 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2957 32-bit MIPS systems this support is at the cost of increasing the
2958 size and complexity of the compiled FPU emulator. Thus if you are
2959 running a MIPS32 system and know that none of your userland binaries
2960 will require 64-bit floating point, you may wish to reduce the size
2961 of your kernel & potentially improve FP emulation performance by
2962 saying N here.
2963
06e2e882
PB
2964 Although binutils currently supports use of this flag the details
2965 concerning its effect upon the O32 ABI in userland are still being
2966 worked on. In order to avoid userland becoming dependant upon current
2967 behaviour before the details have been finalised, this option should
2968 be considered experimental and only enabled by those working upon
2969 said details.
2970
2971 If unsure, say N.
597ce172 2972
f2ffa5ab 2973config USE_OF
0b3e06fd 2974 bool
f2ffa5ab 2975 select OF
e6ce1324 2976 select OF_EARLY_FLATTREE
abd2363f 2977 select IRQ_DOMAIN
f2ffa5ab 2978
2fe8ea39
DZ
2979config UHI_BOOT
2980 bool
2981
7fafb068
AB
2982config BUILTIN_DTB
2983 bool
2984
1da8f179 2985choice
5b24d52c 2986 prompt "Kernel appended dtb support" if USE_OF
1da8f179
JG
2987 default MIPS_NO_APPENDED_DTB
2988
2989 config MIPS_NO_APPENDED_DTB
2990 bool "None"
2991 help
2992 Do not enable appended dtb support.
2993
87db537d
AK
2994 config MIPS_ELF_APPENDED_DTB
2995 bool "vmlinux"
2996 help
2997 With this option, the boot code will look for a device tree binary
2998 DTB) included in the vmlinux ELF section .appended_dtb. By default
2999 it is empty and the DTB can be appended using binutils command
3000 objcopy:
3001
3002 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3003
3004 This is meant as a backward compatiblity convenience for those
3005 systems with a bootloader that can't be upgraded to accommodate
3006 the documented boot protocol using a device tree.
3007
1da8f179 3008 config MIPS_RAW_APPENDED_DTB
b8f54f2c 3009 bool "vmlinux.bin or vmlinuz.bin"
1da8f179
JG
3010 help
3011 With this option, the boot code will look for a device tree binary
b8f54f2c 3012 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
1da8f179
JG
3013 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
3014
3015 This is meant as a backward compatibility convenience for those
3016 systems with a bootloader that can't be upgraded to accommodate
3017 the documented boot protocol using a device tree.
3018
3019 Beware that there is very little in terms of protection against
3020 this option being confused by leftover garbage in memory that might
3021 look like a DTB header after a reboot if no actual DTB is appended
3022 to vmlinux.bin. Do not leave this option active in a production kernel
3023 if you don't intend to always append a DTB.
3024endchoice
3025
2024972e
JG
3026choice
3027 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2bcef9b4 3028 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3f5f0a44 3029 !MIPS_MALTA && \
2bcef9b4 3030 !CAVIUM_OCTEON_SOC
2024972e
JG
3031 default MIPS_CMDLINE_FROM_BOOTLOADER
3032
3033 config MIPS_CMDLINE_FROM_DTB
3034 depends on USE_OF
3035 bool "Dtb kernel arguments if available"
3036
3037 config MIPS_CMDLINE_DTB_EXTEND
3038 depends on USE_OF
3039 bool "Extend dtb kernel arguments with bootloader arguments"
3040
3041 config MIPS_CMDLINE_FROM_BOOTLOADER
3042 bool "Bootloader kernel arguments if available"
ed47e153
RV
3043
3044 config MIPS_CMDLINE_BUILTIN_EXTEND
3045 depends on CMDLINE_BOOL
3046 bool "Extend builtin kernel arguments with bootloader arguments"
2024972e
JG
3047endchoice
3048
5e83d430
RB
3049endmenu
3050
1df0f0ff
AN
3051config LOCKDEP_SUPPORT
3052 bool
3053 default y
3054
3055config STACKTRACE_SUPPORT
3056 bool
3057 default y
3058
a728ab52
KS
3059config PGTABLE_LEVELS
3060 int
3377e227 3061 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
ebe8f5e8 3062 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
a728ab52
KS
3063 default 2
3064
6c359eb1
PB
3065config MIPS_AUTO_PFN_OFFSET
3066 bool
3067
1da177e4
LT
3068menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3069
c5611df9 3070config PCI_DRIVERS_GENERIC
2eac9c2d 3071 select PCI_DOMAINS_GENERIC if PCI
c5611df9
PB
3072 bool
3073
3074config PCI_DRIVERS_LEGACY
3075 def_bool !PCI_DRIVERS_GENERIC
3076 select NO_GENERIC_PCI_IOPORT_MAP
2eac9c2d 3077 select PCI_DOMAINS if PCI
1da177e4
LT
3078
3079#
3080# ISA support is now enabled via select. Too many systems still have the one
3081# or other ISA chip on the board that users don't know about so don't expect
3082# users to choose the right thing ...
3083#
3084config ISA
3085 bool
3086
1da177e4
LT
3087config TC
3088 bool "TURBOchannel support"
3089 depends on MACH_DECSTATION
3090 help
50a23e6e
JM
3091 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3092 processors. TURBOchannel programming specifications are available
3093 at:
3094 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3095 and:
3096 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3097 Linux driver support status is documented at:
3098 <http://www.linux-mips.org/wiki/DECstation>
1da177e4 3099
1da177e4
LT
3100config MMU
3101 bool
3102 default y
3103
109c32ff
MR
3104config ARCH_MMAP_RND_BITS_MIN
3105 default 12 if 64BIT
3106 default 8
3107
3108config ARCH_MMAP_RND_BITS_MAX
3109 default 18 if 64BIT
3110 default 15
3111
3112config ARCH_MMAP_RND_COMPAT_BITS_MIN
371a4151 3113 default 8
109c32ff
MR
3114
3115config ARCH_MMAP_RND_COMPAT_BITS_MAX
371a4151 3116 default 15
109c32ff 3117
d865bea4
RB
3118config I8253
3119 bool
798778b8 3120 select CLKSRC_I8253
2d02612f 3121 select CLKEVT_I8253
9726b43a 3122 select MIPS_EXTERNAL_TIMER
d865bea4 3123
e05eb3f8
RB
3124config ZONE_DMA
3125 bool
3126
cce335ae
RB
3127config ZONE_DMA32
3128 bool
3129
1da177e4
LT
3130endmenu
3131
1da177e4
LT
3132config TRAD_SIGNALS
3133 bool
1da177e4 3134
1da177e4 3135config MIPS32_COMPAT
78aaf956 3136 bool
1da177e4
LT
3137
3138config COMPAT
3139 bool
1da177e4 3140
05e43966
AN
3141config SYSVIPC_COMPAT
3142 bool
05e43966 3143
1da177e4
LT
3144config MIPS32_O32
3145 bool "Kernel support for o32 binaries"
78aaf956
RB
3146 depends on 64BIT
3147 select ARCH_WANT_OLD_COMPAT_IPC
3148 select COMPAT
3149 select MIPS32_COMPAT
3150 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3151 help
3152 Select this option if you want to run o32 binaries. These are pure
3153 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3154 existing binaries are in this format.
3155
3156 If unsure, say Y.
3157
3158config MIPS32_N32
3159 bool "Kernel support for n32 binaries"
c22eacfe 3160 depends on 64BIT
5a9372f7 3161 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
78aaf956
RB
3162 select COMPAT
3163 select MIPS32_COMPAT
3164 select SYSVIPC_COMPAT if SYSVIPC
1da177e4
LT
3165 help
3166 Select this option if you want to run n32 binaries. These are
3167 64-bit binaries using 32-bit quantities for addressing and certain
3168 data that would normally be 64-bit. They are used in special
3169 cases.
3170
3171 If unsure, say N.
3172
3173config BINFMT_ELF32
3174 bool
3175 default y if MIPS32_O32 || MIPS32_N32
f43edca7 3176 select ELFCORE
1da177e4 3177
2116245e
RB
3178menu "Power management options"
3179
363c55ca
WZ
3180config ARCH_HIBERNATION_POSSIBLE
3181 def_bool y
3f5b3e17 3182 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
363c55ca 3183
f4cb5700
JB
3184config ARCH_SUSPEND_POSSIBLE
3185 def_bool y
3f5b3e17 3186 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
f4cb5700 3187
2116245e 3188source "kernel/power/Kconfig"
952fa954 3189
1da177e4
LT
3190endmenu
3191
7a998935
VK
3192config MIPS_EXTERNAL_TIMER
3193 bool
3194
7a998935 3195menu "CPU Power Management"
c095ebaf
PB
3196
3197if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
7a998935 3198source "drivers/cpufreq/Kconfig"
7a998935 3199endif
9726b43a 3200
c095ebaf
PB
3201source "drivers/cpuidle/Kconfig"
3202
3203endmenu
3204
98cdee0e
RB
3205source "drivers/firmware/Kconfig"
3206
2235a54d 3207source "arch/mips/kvm/Kconfig"