Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
40e084a5 | 4 | select ARCH_SUPPORTS_UPROBES |
a862a426 | 5 | select ARCH_MIGHT_HAVE_PC_PARPORT |
393c1262 | 6 | select ARCH_MIGHT_HAVE_PC_SERIO |
5fac4f7a | 7 | select ARCH_USE_CMPXCHG_LOCKREF if 64BIT |
1ee3630a | 8 | select ARCH_USE_BUILTIN_BSWAP |
c3fc5cd5 | 9 | select HAVE_CONTEXT_TRACKING |
f8ac0425 | 10 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 11 | select HAVE_IDE |
42d4b839 | 12 | select HAVE_OPROFILE |
7f788d2d DCZ |
13 | select HAVE_PERF_EVENTS |
14 | select PERF_USE_VMALLOC | |
88547001 | 15 | select HAVE_ARCH_KGDB |
490b004f | 16 | select HAVE_ARCH_SECCOMP_FILTER |
c0ff3c53 | 17 | select HAVE_ARCH_TRACEHOOK |
3f5fdb4b | 18 | select HAVE_BPF_JIT if !CPU_MICROMIPS |
d2bb0762 | 19 | select HAVE_FUNCTION_TRACER |
538f1952 WZ |
20 | select HAVE_DYNAMIC_FTRACE |
21 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 22 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 23 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
24 | select HAVE_KPROBES |
25 | select HAVE_KRETPROBES | |
fb59e394 | 26 | select HAVE_SYSCALL_TRACEPOINTS |
b69ec42b | 27 | select HAVE_DEBUG_KMEMLEAK |
1d7bf993 | 28 | select HAVE_SYSCALL_TRACEPOINTS |
2b68f6ca | 29 | select ARCH_HAS_ELF_RANDOMIZE |
383c97b4 | 30 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT |
30ad29bb | 31 | select RTC_LIB if !MACH_LOONGSON64 |
2b78920d | 32 | select GENERIC_ATOMIC64 if !64BIT |
7463449b | 33 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
f4649382 | 34 | select HAVE_DMA_CONTIGUOUS |
48e1fd5a | 35 | select HAVE_DMA_API_DEBUG |
3bd27e32 | 36 | select GENERIC_IRQ_PROBE |
f8396c17 | 37 | select GENERIC_IRQ_SHOW |
78857614 | 38 | select GENERIC_PCI_IOMAP |
94bb0c1a | 39 | select HAVE_ARCH_JUMP_LABEL |
c1d7e01d | 40 | select ARCH_WANT_IPC_PARSE_VERSION |
0f462e3c | 41 | select IRQ_FORCED_THREADING |
9d15ffc8 TH |
42 | select HAVE_MEMBLOCK |
43 | select HAVE_MEMBLOCK_NODE_MAP | |
44 | select ARCH_DISCARD_MEMBLOCK | |
360014a3 | 45 | select GENERIC_SMP_IDLE_THREAD |
4b054495 | 46 | select BUILDTIME_EXTABLE_SORT |
cde1794b | 47 | select GENERIC_CLOCKEVENTS |
929de4cc | 48 | select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC |
cde1794b | 49 | select GENERIC_CMOS_UPDATE |
786d35d4 | 50 | select HAVE_MOD_ARCH_SPECIFIC |
4febd95a | 51 | select VIRT_TO_BUS |
2f12fb20 JK |
52 | select MODULES_USE_ELF_REL if MODULES |
53 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
50150d2b | 54 | select CLONE_BACKWARDS |
d1a1dc0b | 55 | select HAVE_DEBUG_STACKOVERFLOW |
19952a92 | 56 | select HAVE_CC_STACKPROTECTOR |
b1d4c6ca | 57 | select CPU_PM if CPU_IDLE |
cc7964af | 58 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
90cee759 | 59 | select ARCH_BINFMT_ELF_STATE |
d79d853d | 60 | select SYSCTL_EXCEPTION_TRACE |
bb877e96 | 61 | select HAVE_VIRT_CPU_ACCOUNTING_GEN |
ec9ddad3 | 62 | select HAVE_IRQ_TIME_ACCOUNTING |
a7f4df4e AS |
63 | select GENERIC_TIME_VSYSCALL |
64 | select ARCH_CLOCKSOURCE_DATA | |
1da177e4 | 65 | |
1da177e4 LT |
66 | menu "Machine selection" |
67 | ||
5e83d430 RB |
68 | choice |
69 | prompt "System type" | |
70 | default SGI_IP22 | |
1da177e4 | 71 | |
42a4f17d | 72 | config MIPS_ALCHEMY |
c3543e25 | 73 | bool "Alchemy processor based machines" |
34adb28d | 74 | select ARCH_PHYS_ADDR_T_64BIT |
f772cdb2 | 75 | select CEVT_R4K |
d7ea335c | 76 | select CSRC_R4K |
67e38cf2 | 77 | select IRQ_MIPS_CPU |
88e9a93c | 78 | select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is |
42a4f17d ML |
79 | select SYS_HAS_CPU_MIPS32_R1 |
80 | select SYS_SUPPORTS_32BIT_KERNEL | |
81 | select SYS_SUPPORTS_APM_EMULATION | |
efb12436 | 82 | select ARCH_REQUIRE_GPIOLIB |
1b93b3c3 | 83 | select SYS_SUPPORTS_ZBOOT |
47440229 | 84 | select COMMON_CLK |
1da177e4 | 85 | |
7ca5dc14 FF |
86 | config AR7 |
87 | bool "Texas Instruments AR7" | |
88 | select BOOT_ELF32 | |
89 | select DMA_NONCOHERENT | |
90 | select CEVT_R4K | |
91 | select CSRC_R4K | |
67e38cf2 | 92 | select IRQ_MIPS_CPU |
7ca5dc14 FF |
93 | select NO_EXCEPT_FILL |
94 | select SWAP_IO_SPACE | |
95 | select SYS_HAS_CPU_MIPS32_R1 | |
96 | select SYS_HAS_EARLY_PRINTK | |
97 | select SYS_SUPPORTS_32BIT_KERNEL | |
98 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 99 | select SYS_SUPPORTS_MIPS16 |
1b93b3c3 | 100 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 101 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 | 102 | select VLYNQ |
8551fb64 | 103 | select HAVE_CLK |
7ca5dc14 FF |
104 | help |
105 | Support for the Texas Instruments AR7 System-on-a-Chip | |
106 | family: TNETD7100, 7200 and 7300. | |
107 | ||
43cc739f SR |
108 | config ATH25 |
109 | bool "Atheros AR231x/AR531x SoC support" | |
110 | select CEVT_R4K | |
111 | select CSRC_R4K | |
112 | select DMA_NONCOHERENT | |
67e38cf2 | 113 | select IRQ_MIPS_CPU |
1753e74e | 114 | select IRQ_DOMAIN |
43cc739f SR |
115 | select SYS_HAS_CPU_MIPS32_R1 |
116 | select SYS_SUPPORTS_BIG_ENDIAN | |
117 | select SYS_SUPPORTS_32BIT_KERNEL | |
8aaa7278 | 118 | select SYS_HAS_EARLY_PRINTK |
43cc739f SR |
119 | help |
120 | Support for Atheros AR231x and Atheros AR531x based boards | |
121 | ||
d4a67d9d GJ |
122 | config ATH79 |
123 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
ff591a91 | 124 | select ARCH_HAS_RESET_CONTROLLER |
6eae43c5 | 125 | select ARCH_REQUIRE_GPIOLIB |
d4a67d9d GJ |
126 | select BOOT_RAW |
127 | select CEVT_R4K | |
128 | select CSRC_R4K | |
129 | select DMA_NONCOHERENT | |
94638067 | 130 | select HAVE_CLK |
411520af | 131 | select COMMON_CLK |
2c4f1ac5 | 132 | select CLKDEV_LOOKUP |
67e38cf2 | 133 | select IRQ_MIPS_CPU |
0aabf1a4 | 134 | select MIPS_MACHINE |
d4a67d9d GJ |
135 | select SYS_HAS_CPU_MIPS32_R2 |
136 | select SYS_HAS_EARLY_PRINTK | |
137 | select SYS_SUPPORTS_32BIT_KERNEL | |
138 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 139 | select SYS_SUPPORTS_MIPS16 |
da628e8b | 140 | select SYS_SUPPORTS_ZBOOT |
03c8c407 | 141 | select USE_OF |
d4a67d9d GJ |
142 | help |
143 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
144 | ||
5f2d4459 KC |
145 | config BMIPS_GENERIC |
146 | bool "Broadcom Generic BMIPS kernel" | |
d666cd02 KC |
147 | select BOOT_RAW |
148 | select NO_EXCEPT_FILL | |
149 | select USE_OF | |
150 | select CEVT_R4K | |
151 | select CSRC_R4K | |
152 | select SYNC_R4K | |
153 | select COMMON_CLK | |
60b858f2 KC |
154 | select BCM7038_L1_IRQ |
155 | select BCM7120_L2_IRQ | |
156 | select BRCMSTB_L2_IRQ | |
67e38cf2 | 157 | select IRQ_MIPS_CPU |
60b858f2 | 158 | select DMA_NONCOHERENT |
d666cd02 | 159 | select SYS_SUPPORTS_32BIT_KERNEL |
60b858f2 | 160 | select SYS_SUPPORTS_LITTLE_ENDIAN |
d666cd02 KC |
161 | select SYS_SUPPORTS_BIG_ENDIAN |
162 | select SYS_SUPPORTS_HIGHMEM | |
60b858f2 KC |
163 | select SYS_HAS_CPU_BMIPS32_3300 |
164 | select SYS_HAS_CPU_BMIPS4350 | |
165 | select SYS_HAS_CPU_BMIPS4380 | |
d666cd02 KC |
166 | select SYS_HAS_CPU_BMIPS5000 |
167 | select SWAP_IO_SPACE | |
60b858f2 KC |
168 | select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN |
169 | select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
170 | select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN | |
171 | select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
a7b43812 | 172 | select ARCH_WANT_OPTIONAL_GPIOLIB |
d666cd02 | 173 | help |
5f2d4459 KC |
174 | Build a generic DT-based kernel image that boots on select |
175 | BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top | |
176 | box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN | |
177 | must be set appropriately for your board. | |
d666cd02 | 178 | |
1c0c13eb | 179 | config BCM47XX |
c619366e | 180 | bool "Broadcom BCM47XX based boards" |
2da4c74d | 181 | select ARCH_WANT_OPTIONAL_GPIOLIB |
fe08f8c2 | 182 | select BOOT_RAW |
42f77542 | 183 | select CEVT_R4K |
940f6b48 | 184 | select CSRC_R4K |
1c0c13eb AJ |
185 | select DMA_NONCOHERENT |
186 | select HW_HAS_PCI | |
67e38cf2 | 187 | select IRQ_MIPS_CPU |
314878d2 | 188 | select SYS_HAS_CPU_MIPS32_R1 |
dd54dedd | 189 | select NO_EXCEPT_FILL |
1c0c13eb AJ |
190 | select SYS_SUPPORTS_32BIT_KERNEL |
191 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 192 | select SYS_SUPPORTS_MIPS16 |
25e5fb97 | 193 | select SYS_HAS_EARLY_PRINTK |
e6086557 | 194 | select USE_GENERIC_EARLY_PRINTK_8250 |
c949c0bc RM |
195 | select GPIOLIB |
196 | select LEDS_GPIO_REGISTER | |
f6e734a8 | 197 | select BCM47XX_NVRAM |
1c0c13eb AJ |
198 | help |
199 | Support for BCM47XX based boards | |
200 | ||
e7300d04 MB |
201 | config BCM63XX |
202 | bool "Broadcom BCM63XX based boards" | |
ae8de61c | 203 | select BOOT_RAW |
e7300d04 MB |
204 | select CEVT_R4K |
205 | select CSRC_R4K | |
fc264022 | 206 | select SYNC_R4K |
e7300d04 | 207 | select DMA_NONCOHERENT |
67e38cf2 | 208 | select IRQ_MIPS_CPU |
e7300d04 MB |
209 | select SYS_SUPPORTS_32BIT_KERNEL |
210 | select SYS_SUPPORTS_BIG_ENDIAN | |
211 | select SYS_HAS_EARLY_PRINTK | |
212 | select SWAP_IO_SPACE | |
213 | select ARCH_REQUIRE_GPIOLIB | |
3e82eeeb | 214 | select HAVE_CLK |
af2418be | 215 | select MIPS_L1_CACHE_SHIFT_4 |
e7300d04 MB |
216 | help |
217 | Support for BCM63XX based boards | |
218 | ||
1da177e4 | 219 | config MIPS_COBALT |
3fa986fa | 220 | bool "Cobalt Server" |
42f77542 | 221 | select CEVT_R4K |
940f6b48 | 222 | select CSRC_R4K |
1097c6ac | 223 | select CEVT_GT641XX |
1da177e4 LT |
224 | select DMA_NONCOHERENT |
225 | select HW_HAS_PCI | |
d865bea4 | 226 | select I8253 |
1da177e4 | 227 | select I8259 |
67e38cf2 | 228 | select IRQ_MIPS_CPU |
d5ab1a69 | 229 | select IRQ_GT641XX |
252161ec | 230 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 231 | select PCI |
7cf8053b | 232 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 233 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 234 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 235 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 236 | select SYS_SUPPORTS_LITTLE_ENDIAN |
e6086557 | 237 | select USE_GENERIC_EARLY_PRINTK_8250 |
1da177e4 LT |
238 | |
239 | config MACH_DECSTATION | |
3fa986fa | 240 | bool "DECstations" |
1da177e4 | 241 | select BOOT_ELF32 |
6457d9fc | 242 | select CEVT_DS1287 |
81d10bad | 243 | select CEVT_R4K if CPU_R4X00 |
4247417d | 244 | select CSRC_IOASIC |
81d10bad | 245 | select CSRC_R4K if CPU_R4X00 |
20d60d99 MR |
246 | select CPU_DADDI_WORKAROUNDS if 64BIT |
247 | select CPU_R4000_WORKAROUNDS if 64BIT | |
248 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 249 | select DMA_NONCOHERENT |
ce816fa8 | 250 | select NO_IOPORT_MAP |
67e38cf2 | 251 | select IRQ_MIPS_CPU |
7cf8053b RB |
252 | select SYS_HAS_CPU_R3000 |
253 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb | 254 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 255 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 256 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
257 | select SYS_SUPPORTS_128HZ |
258 | select SYS_SUPPORTS_256HZ | |
259 | select SYS_SUPPORTS_1024HZ | |
930beb5a | 260 | select MIPS_L1_CACHE_SHIFT_4 |
5e83d430 | 261 | help |
1da177e4 LT |
262 | This enables support for DEC's MIPS based workstations. For details |
263 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
264 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
265 | ||
266 | If you have one of the following DECstation Models you definitely | |
267 | want to choose R4xx0 for the CPU Type: | |
268 | ||
9308816c RB |
269 | DECstation 5000/50 |
270 | DECstation 5000/150 | |
271 | DECstation 5000/260 | |
272 | DECsystem 5900/260 | |
1da177e4 LT |
273 | |
274 | otherwise choose R3000. | |
275 | ||
5e83d430 | 276 | config MACH_JAZZ |
3fa986fa | 277 | bool "Jazz family of machines" |
0e2794b0 RB |
278 | select FW_ARC |
279 | select FW_ARC32 | |
5e83d430 | 280 | select ARCH_MAY_HAVE_PC_FDC |
42f77542 | 281 | select CEVT_R4K |
940f6b48 | 282 | select CSRC_R4K |
e2defae5 | 283 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 284 | select GENERIC_ISA_DMA |
8a118c38 | 285 | select HAVE_PCSPKR_PLATFORM |
67e38cf2 | 286 | select IRQ_MIPS_CPU |
d865bea4 | 287 | select I8253 |
5e83d430 RB |
288 | select I8259 |
289 | select ISA | |
7cf8053b | 290 | select SYS_HAS_CPU_R4X00 |
5e83d430 | 291 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 292 | select SYS_SUPPORTS_64BIT_KERNEL |
1723b4a3 | 293 | select SYS_SUPPORTS_100HZ |
1da177e4 | 294 | help |
5e83d430 RB |
295 | This a family of machines based on the MIPS R4030 chipset which was |
296 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 297 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
298 | Olivetti M700-10 workstations. |
299 | ||
de361e8b PB |
300 | config MACH_INGENIC |
301 | bool "Ingenic SoC based machines" | |
5ebabe59 LPC |
302 | select SYS_SUPPORTS_32BIT_KERNEL |
303 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f9c9affc | 304 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5ebabe59 | 305 | select DMA_NONCOHERENT |
67e38cf2 | 306 | select IRQ_MIPS_CPU |
5ebabe59 | 307 | select ARCH_REQUIRE_GPIOLIB |
ff1930c6 | 308 | select COMMON_CLK |
83bc7692 | 309 | select GENERIC_IRQ_CHIP |
ffb1843d PB |
310 | select BUILTIN_DTB |
311 | select USE_OF | |
6ec127fb | 312 | select LIBFDT |
5ebabe59 | 313 | |
171bb2f1 JC |
314 | config LANTIQ |
315 | bool "Lantiq based platforms" | |
316 | select DMA_NONCOHERENT | |
67e38cf2 | 317 | select IRQ_MIPS_CPU |
171bb2f1 JC |
318 | select CEVT_R4K |
319 | select CSRC_R4K | |
320 | select SYS_HAS_CPU_MIPS32_R1 | |
321 | select SYS_HAS_CPU_MIPS32_R2 | |
322 | select SYS_SUPPORTS_BIG_ENDIAN | |
323 | select SYS_SUPPORTS_32BIT_KERNEL | |
377cb1b6 | 324 | select SYS_SUPPORTS_MIPS16 |
171bb2f1 JC |
325 | select SYS_SUPPORTS_MULTITHREADING |
326 | select SYS_HAS_EARLY_PRINTK | |
327 | select ARCH_REQUIRE_GPIOLIB | |
328 | select SWAP_IO_SPACE | |
329 | select BOOT_RAW | |
287e3f3f JC |
330 | select HAVE_MACH_CLKDEV |
331 | select CLKDEV_LOOKUP | |
a0392222 | 332 | select USE_OF |
3f8c50c9 JC |
333 | select PINCTRL |
334 | select PINCTRL_LANTIQ | |
c530781c JC |
335 | select ARCH_HAS_RESET_CONTROLLER |
336 | select RESET_CONTROLLER | |
171bb2f1 | 337 | |
1f21d2bd BM |
338 | config LASAT |
339 | bool "LASAT Networks platforms" | |
42f77542 | 340 | select CEVT_R4K |
16f0bbbc | 341 | select CRC32 |
940f6b48 | 342 | select CSRC_R4K |
1f21d2bd BM |
343 | select DMA_NONCOHERENT |
344 | select SYS_HAS_EARLY_PRINTK | |
345 | select HW_HAS_PCI | |
67e38cf2 | 346 | select IRQ_MIPS_CPU |
1f21d2bd BM |
347 | select PCI_GT64XXX_PCI0 |
348 | select MIPS_NILE4 | |
349 | select R5000_CPU_SCACHE | |
350 | select SYS_HAS_CPU_R5000 | |
351 | select SYS_SUPPORTS_32BIT_KERNEL | |
352 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
353 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 354 | |
30ad29bb HC |
355 | config MACH_LOONGSON32 |
356 | bool "Loongson-1 family of machines" | |
c7e8c668 | 357 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 358 | help |
30ad29bb | 359 | This enables support for the Loongson-1 family of machines. |
85749d24 | 360 | |
30ad29bb HC |
361 | Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by |
362 | the Institute of Computing Technology (ICT), Chinese Academy of | |
363 | Sciences (CAS). | |
ade299d8 | 364 | |
30ad29bb HC |
365 | config MACH_LOONGSON64 |
366 | bool "Loongson-2/3 family of machines" | |
ca585cf9 KC |
367 | select SYS_SUPPORTS_ZBOOT |
368 | help | |
30ad29bb | 369 | This enables the support of Loongson-2/3 family of machines. |
ca585cf9 | 370 | |
30ad29bb HC |
371 | Loongson-2 is a family of single-core CPUs and Loongson-3 is a |
372 | family of multi-core CPUs. They are both 64-bit general-purpose | |
373 | MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute | |
374 | of Computing Technology (ICT), Chinese Academy of Sciences (CAS) | |
375 | in the People's Republic of China. The chief architect is Professor | |
376 | Weiwu Hu. | |
ca585cf9 | 377 | |
6a438309 AB |
378 | config MACH_PISTACHIO |
379 | bool "IMG Pistachio SoC based boards" | |
380 | select ARCH_REQUIRE_GPIOLIB | |
381 | select BOOT_ELF32 | |
382 | select BOOT_RAW | |
383 | select CEVT_R4K | |
384 | select CLKSRC_MIPS_GIC | |
385 | select COMMON_CLK | |
386 | select CSRC_R4K | |
387 | select DMA_MAYBE_COHERENT | |
67e38cf2 | 388 | select IRQ_MIPS_CPU |
6a438309 AB |
389 | select LIBFDT |
390 | select MFD_SYSCON | |
391 | select MIPS_CPU_SCACHE | |
392 | select MIPS_GIC | |
393 | select PINCTRL | |
394 | select REGULATOR | |
395 | select SYS_HAS_CPU_MIPS32_R2 | |
396 | select SYS_SUPPORTS_32BIT_KERNEL | |
397 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
398 | select SYS_SUPPORTS_MIPS_CPS | |
399 | select SYS_SUPPORTS_MULTITHREADING | |
400 | select SYS_SUPPORTS_ZBOOT | |
018f62ee EG |
401 | select SYS_HAS_EARLY_PRINTK |
402 | select USE_GENERIC_EARLY_PRINTK_8250 | |
6a438309 AB |
403 | select USE_OF |
404 | help | |
405 | This enables support for the IMG Pistachio SoC platform. | |
406 | ||
9937f5ff ZLK |
407 | config MACH_XILFPGA |
408 | bool "MIPSfpga Xilinx based boards" | |
409 | select ARCH_REQUIRE_GPIOLIB | |
410 | select BOOT_ELF32 | |
411 | select BOOT_RAW | |
412 | select BUILTIN_DTB | |
413 | select CEVT_R4K | |
414 | select COMMON_CLK | |
415 | select CSRC_R4K | |
416 | select IRQ_MIPS_CPU | |
417 | select LIBFDT | |
418 | select MIPS_CPU_SCACHE | |
419 | select SYS_HAS_EARLY_PRINTK | |
420 | select SYS_HAS_CPU_MIPS32_R2 | |
421 | select SYS_SUPPORTS_32BIT_KERNEL | |
422 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
423 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
424 | select USE_OF | |
425 | select USE_GENERIC_EARLY_PRINTK_8250 | |
426 | help | |
427 | This enables support for the IMG University Program MIPSfpga platform. | |
428 | ||
1da177e4 | 429 | config MIPS_MALTA |
3fa986fa | 430 | bool "MIPS Malta board" |
61ed242d | 431 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 432 | select BOOT_ELF32 |
fa71c960 | 433 | select BOOT_RAW |
e8823d26 | 434 | select BUILTIN_DTB |
42f77542 | 435 | select CEVT_R4K |
940f6b48 | 436 | select CSRC_R4K |
fa5635a2 | 437 | select CLKSRC_MIPS_GIC |
42b002ab | 438 | select COMMON_CLK |
885014bc | 439 | select DMA_MAYBE_COHERENT |
1da177e4 | 440 | select GENERIC_ISA_DMA |
8a118c38 | 441 | select HAVE_PCSPKR_PLATFORM |
67e38cf2 | 442 | select IRQ_MIPS_CPU |
8a19b8f1 | 443 | select MIPS_GIC |
1da177e4 | 444 | select HW_HAS_PCI |
d865bea4 | 445 | select I8253 |
1da177e4 | 446 | select I8259 |
5e83d430 | 447 | select MIPS_BONITO64 |
9318c51a | 448 | select MIPS_CPU_SCACHE |
a7ef1ead | 449 | select MIPS_L1_CACHE_SHIFT_6 |
252161ec | 450 | select PCI_GT64XXX_PCI0 |
5e83d430 | 451 | select MIPS_MSC |
ecafe3e9 | 452 | select SMP_UP if SMP |
1da177e4 | 453 | select SWAP_IO_SPACE |
7cf8053b RB |
454 | select SYS_HAS_CPU_MIPS32_R1 |
455 | select SYS_HAS_CPU_MIPS32_R2 | |
bfc3c5a6 | 456 | select SYS_HAS_CPU_MIPS32_R3_5 |
c5b36783 | 457 | select SYS_HAS_CPU_MIPS32_R5 |
575509b6 | 458 | select SYS_HAS_CPU_MIPS32_R6 |
7cf8053b | 459 | select SYS_HAS_CPU_MIPS64_R1 |
5d9fbed1 | 460 | select SYS_HAS_CPU_MIPS64_R2 |
575509b6 | 461 | select SYS_HAS_CPU_MIPS64_R6 |
7cf8053b RB |
462 | select SYS_HAS_CPU_NEVADA |
463 | select SYS_HAS_CPU_RM7000 | |
ed5ba2fb YY |
464 | select SYS_SUPPORTS_32BIT_KERNEL |
465 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 466 | select SYS_SUPPORTS_BIG_ENDIAN |
c5b36783 | 467 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 468 | select SYS_SUPPORTS_LITTLE_ENDIAN |
424ebcdf | 469 | select SYS_SUPPORTS_MICROMIPS |
0365070f | 470 | select SYS_SUPPORTS_MIPS_CMP |
e56b6aa6 | 471 | select SYS_SUPPORTS_MIPS_CPS |
377cb1b6 | 472 | select SYS_SUPPORTS_MIPS16 |
f41ae0b2 | 473 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 474 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 475 | select SYS_SUPPORTS_ZBOOT |
e8823d26 | 476 | select USE_OF |
abcc82b1 | 477 | select ZONE_DMA32 if 64BIT |
e81a8c7d PB |
478 | select BUILTIN_DTB |
479 | select LIBFDT | |
1da177e4 | 480 | help |
f638d197 | 481 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
482 | board. |
483 | ||
2572f00d JH |
484 | config MACH_PIC32 |
485 | bool "Microchip PIC32 Family" | |
486 | help | |
487 | This enables support for the Microchip PIC32 family of platforms. | |
488 | ||
489 | Microchip PIC32 is a family of general-purpose 32 bit MIPS core | |
490 | microcontrollers. | |
491 | ||
ec47b274 SH |
492 | config MIPS_SEAD3 |
493 | bool "MIPS SEAD3 board" | |
494 | select BOOT_ELF32 | |
495 | select BOOT_RAW | |
f262b5f2 | 496 | select BUILTIN_DTB |
ec47b274 SH |
497 | select CEVT_R4K |
498 | select CSRC_R4K | |
fa5635a2 | 499 | select CLKSRC_MIPS_GIC |
42b002ab | 500 | select COMMON_CLK |
ec47b274 SH |
501 | select CPU_MIPSR2_IRQ_VI |
502 | select CPU_MIPSR2_IRQ_EI | |
503 | select DMA_NONCOHERENT | |
67e38cf2 | 504 | select IRQ_MIPS_CPU |
8a19b8f1 | 505 | select MIPS_GIC |
44327236 | 506 | select LIBFDT |
ec47b274 SH |
507 | select MIPS_MSC |
508 | select SYS_HAS_CPU_MIPS32_R1 | |
509 | select SYS_HAS_CPU_MIPS32_R2 | |
510 | select SYS_HAS_CPU_MIPS64_R1 | |
511 | select SYS_HAS_EARLY_PRINTK | |
512 | select SYS_SUPPORTS_32BIT_KERNEL | |
513 | select SYS_SUPPORTS_64BIT_KERNEL | |
514 | select SYS_SUPPORTS_BIG_ENDIAN | |
515 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
516 | select SYS_SUPPORTS_SMARTMIPS | |
a6a4834c | 517 | select SYS_SUPPORTS_MICROMIPS |
377cb1b6 | 518 | select SYS_SUPPORTS_MIPS16 |
ec47b274 SH |
519 | select USB_EHCI_BIG_ENDIAN_DESC |
520 | select USB_EHCI_BIG_ENDIAN_MMIO | |
9b731009 | 521 | select USE_OF |
ec47b274 SH |
522 | help |
523 | This enables support for the MIPS Technologies SEAD3 evaluation | |
524 | board. | |
525 | ||
a83860c2 RB |
526 | config NEC_MARKEINS |
527 | bool "NEC EMMA2RH Mark-eins board" | |
528 | select SOC_EMMA2RH | |
529 | select HW_HAS_PCI | |
530 | help | |
531 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 532 | |
5e83d430 | 533 | config MACH_VR41XX |
74142d65 | 534 | bool "NEC VR4100 series based machines" |
42f77542 | 535 | select CEVT_R4K |
940f6b48 | 536 | select CSRC_R4K |
7cf8053b | 537 | select SYS_HAS_CPU_VR41XX |
377cb1b6 | 538 | select SYS_SUPPORTS_MIPS16 |
27fdd325 | 539 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 540 | |
edb6310a DL |
541 | config NXP_STB220 |
542 | bool "NXP STB220 board" | |
543 | select SOC_PNX833X | |
544 | help | |
545 | Support for NXP Semiconductors STB220 Development Board. | |
546 | ||
547 | config NXP_STB225 | |
548 | bool "NXP 225 board" | |
549 | select SOC_PNX833X | |
550 | select SOC_PNX8335 | |
551 | help | |
552 | Support for NXP Semiconductors STB225 Development Board. | |
553 | ||
9267a30d MSJ |
554 | config PMC_MSP |
555 | bool "PMC-Sierra MSP chipsets" | |
39d30c13 A |
556 | select CEVT_R4K |
557 | select CSRC_R4K | |
9267a30d MSJ |
558 | select DMA_NONCOHERENT |
559 | select SWAP_IO_SPACE | |
560 | select NO_EXCEPT_FILL | |
561 | select BOOT_RAW | |
562 | select SYS_HAS_CPU_MIPS32_R1 | |
563 | select SYS_HAS_CPU_MIPS32_R2 | |
564 | select SYS_SUPPORTS_32BIT_KERNEL | |
565 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 566 | select SYS_SUPPORTS_MIPS16 |
67e38cf2 | 567 | select IRQ_MIPS_CPU |
9267a30d MSJ |
568 | select SERIAL_8250 |
569 | select SERIAL_8250_CONSOLE | |
9296d94d FF |
570 | select USB_EHCI_BIG_ENDIAN_MMIO |
571 | select USB_EHCI_BIG_ENDIAN_DESC | |
9267a30d MSJ |
572 | help |
573 | This adds support for the PMC-Sierra family of Multi-Service | |
574 | Processor System-On-A-Chips. These parts include a number | |
575 | of integrated peripherals, interfaces and DSPs in addition to | |
576 | a variety of MIPS cores. | |
577 | ||
ae2b5bb6 JC |
578 | config RALINK |
579 | bool "Ralink based machines" | |
580 | select CEVT_R4K | |
581 | select CSRC_R4K | |
582 | select BOOT_RAW | |
583 | select DMA_NONCOHERENT | |
67e38cf2 | 584 | select IRQ_MIPS_CPU |
ae2b5bb6 JC |
585 | select USE_OF |
586 | select SYS_HAS_CPU_MIPS32_R1 | |
587 | select SYS_HAS_CPU_MIPS32_R2 | |
588 | select SYS_SUPPORTS_32BIT_KERNEL | |
589 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 590 | select SYS_SUPPORTS_MIPS16 |
ae2b5bb6 JC |
591 | select SYS_HAS_EARLY_PRINTK |
592 | select HAVE_MACH_CLKDEV | |
593 | select CLKDEV_LOOKUP | |
2a153f1c JC |
594 | select ARCH_HAS_RESET_CONTROLLER |
595 | select RESET_CONTROLLER | |
ae2b5bb6 | 596 | |
1da177e4 | 597 | config SGI_IP22 |
3fa986fa | 598 | bool "SGI IP22 (Indy/Indigo2)" |
0e2794b0 RB |
599 | select FW_ARC |
600 | select FW_ARC32 | |
1da177e4 | 601 | select BOOT_ELF32 |
42f77542 | 602 | select CEVT_R4K |
940f6b48 | 603 | select CSRC_R4K |
e2defae5 | 604 | select DEFAULT_SGI_PARTITION |
1da177e4 | 605 | select DMA_NONCOHERENT |
5e83d430 | 606 | select HW_HAS_EISA |
d865bea4 | 607 | select I8253 |
68de4803 | 608 | select I8259 |
1da177e4 | 609 | select IP22_CPU_SCACHE |
67e38cf2 | 610 | select IRQ_MIPS_CPU |
aa414dff | 611 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
612 | select SGI_HAS_I8042 |
613 | select SGI_HAS_INDYDOG | |
36e5c21d | 614 | select SGI_HAS_HAL2 |
e2defae5 TB |
615 | select SGI_HAS_SEEQ |
616 | select SGI_HAS_WD93 | |
617 | select SGI_HAS_ZILOG | |
1da177e4 | 618 | select SWAP_IO_SPACE |
7cf8053b RB |
619 | select SYS_HAS_CPU_R4X00 |
620 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
621 | # |
622 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
623 | # memory during early boot on some machines. | |
624 | # | |
625 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
626 | # for a more details discussion | |
627 | # | |
628 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
629 | select SYS_SUPPORTS_32BIT_KERNEL |
630 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 631 | select SYS_SUPPORTS_BIG_ENDIAN |
930beb5a | 632 | select MIPS_L1_CACHE_SHIFT_7 |
1da177e4 LT |
633 | help |
634 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
635 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
636 | that runs on these, say Y here. | |
637 | ||
638 | config SGI_IP27 | |
3fa986fa | 639 | bool "SGI IP27 (Origin200/2000)" |
0e2794b0 RB |
640 | select FW_ARC |
641 | select FW_ARC64 | |
5e83d430 | 642 | select BOOT_ELF64 |
e2defae5 | 643 | select DEFAULT_SGI_PARTITION |
634286f1 | 644 | select DMA_COHERENT |
36a88530 | 645 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 646 | select HW_HAS_PCI |
130e2fb7 | 647 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 648 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 649 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 650 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 651 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 652 | select SYS_SUPPORTS_SMP |
930beb5a | 653 | select MIPS_L1_CACHE_SHIFT_7 |
1da177e4 LT |
654 | help |
655 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
656 | workstations. To compile a Linux kernel that runs on these, say Y | |
657 | here. | |
658 | ||
e2defae5 | 659 | config SGI_IP28 |
7d60717e | 660 | bool "SGI IP28 (Indigo2 R10k)" |
0e2794b0 RB |
661 | select FW_ARC |
662 | select FW_ARC64 | |
e2defae5 TB |
663 | select BOOT_ELF64 |
664 | select CEVT_R4K | |
665 | select CSRC_R4K | |
666 | select DEFAULT_SGI_PARTITION | |
667 | select DMA_NONCOHERENT | |
668 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
67e38cf2 | 669 | select IRQ_MIPS_CPU |
e2defae5 TB |
670 | select HW_HAS_EISA |
671 | select I8253 | |
672 | select I8259 | |
e2defae5 TB |
673 | select SGI_HAS_I8042 |
674 | select SGI_HAS_INDYDOG | |
5b438c44 | 675 | select SGI_HAS_HAL2 |
e2defae5 TB |
676 | select SGI_HAS_SEEQ |
677 | select SGI_HAS_WD93 | |
678 | select SGI_HAS_ZILOG | |
679 | select SWAP_IO_SPACE | |
680 | select SYS_HAS_CPU_R10000 | |
2b5e63f6 MM |
681 | # |
682 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
683 | # memory during early boot on some machines. | |
684 | # | |
685 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
686 | # for a more details discussion | |
687 | # | |
688 | # select SYS_HAS_EARLY_PRINTK | |
e2defae5 TB |
689 | select SYS_SUPPORTS_64BIT_KERNEL |
690 | select SYS_SUPPORTS_BIG_ENDIAN | |
dc24d68d | 691 | select MIPS_L1_CACHE_SHIFT_7 |
e2defae5 TB |
692 | help |
693 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
694 | kernel that runs on these, say Y here. | |
695 | ||
1da177e4 | 696 | config SGI_IP32 |
cfd2afc0 | 697 | bool "SGI IP32 (O2)" |
0e2794b0 RB |
698 | select FW_ARC |
699 | select FW_ARC32 | |
1da177e4 | 700 | select BOOT_ELF32 |
42f77542 | 701 | select CEVT_R4K |
940f6b48 | 702 | select CSRC_R4K |
1da177e4 LT |
703 | select DMA_NONCOHERENT |
704 | select HW_HAS_PCI | |
67e38cf2 | 705 | select IRQ_MIPS_CPU |
1da177e4 LT |
706 | select R5000_CPU_SCACHE |
707 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
708 | select SYS_HAS_CPU_R5000 |
709 | select SYS_HAS_CPU_R10000 if BROKEN | |
710 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 711 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 712 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 713 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 714 | help |
5e83d430 | 715 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 716 | |
ade299d8 YY |
717 | config SIBYTE_CRHINE |
718 | bool "Sibyte BCM91120C-CRhine" | |
9a6dcea1 AI |
719 | select BOOT_ELF32 |
720 | select DMA_COHERENT | |
ade299d8 | 721 | select SIBYTE_BCM1120 |
9a6dcea1 | 722 | select SWAP_IO_SPACE |
7cf8053b | 723 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
724 | select SYS_SUPPORTS_BIG_ENDIAN |
725 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
726 | ||
ade299d8 YY |
727 | config SIBYTE_CARMEL |
728 | bool "Sibyte BCM91120x-Carmel" | |
5e83d430 | 729 | select BOOT_ELF32 |
1da177e4 | 730 | select DMA_COHERENT |
ade299d8 | 731 | select SIBYTE_BCM1120 |
5e83d430 | 732 | select SWAP_IO_SPACE |
7cf8053b | 733 | select SYS_HAS_CPU_SB1 |
81731f79 | 734 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 735 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 736 | |
ade299d8 YY |
737 | config SIBYTE_CRHONE |
738 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
739 | select BOOT_ELF32 |
740 | select DMA_COHERENT | |
ade299d8 | 741 | select SIBYTE_BCM1125 |
5e83d430 | 742 | select SWAP_IO_SPACE |
7cf8053b | 743 | select SYS_HAS_CPU_SB1 |
5e83d430 | 744 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 745 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 746 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 747 | |
5e83d430 | 748 | config SIBYTE_RHONE |
3fa986fa | 749 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
750 | select BOOT_ELF32 |
751 | select DMA_COHERENT | |
752 | select SIBYTE_BCM1125H | |
753 | select SWAP_IO_SPACE | |
7cf8053b | 754 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
755 | select SYS_SUPPORTS_BIG_ENDIAN |
756 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 757 | |
ade299d8 YY |
758 | config SIBYTE_SWARM |
759 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 760 | select BOOT_ELF32 |
26a940e2 | 761 | select DMA_COHERENT |
fcf3ca4c | 762 | select HAVE_PATA_PLATFORM |
ade299d8 | 763 | select SIBYTE_SB1250 |
5e83d430 | 764 | select SWAP_IO_SPACE |
7cf8053b | 765 | select SYS_HAS_CPU_SB1 |
5e83d430 | 766 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 767 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 768 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 769 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 770 | |
ade299d8 YY |
771 | config SIBYTE_LITTLESUR |
772 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
773 | select BOOT_ELF32 |
774 | select DMA_COHERENT | |
fcf3ca4c | 775 | select HAVE_PATA_PLATFORM |
5e83d430 RB |
776 | select SIBYTE_SB1250 |
777 | select SWAP_IO_SPACE | |
7cf8053b | 778 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
779 | select SYS_SUPPORTS_BIG_ENDIAN |
780 | select SYS_SUPPORTS_HIGHMEM | |
781 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 782 | |
ade299d8 YY |
783 | config SIBYTE_SENTOSA |
784 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
785 | select BOOT_ELF32 |
786 | select DMA_COHERENT | |
787 | select SIBYTE_SB1250 | |
788 | select SWAP_IO_SPACE | |
7cf8053b | 789 | select SYS_HAS_CPU_SB1 |
5e83d430 | 790 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 791 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 792 | |
ade299d8 YY |
793 | config SIBYTE_BIGSUR |
794 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
795 | select BOOT_ELF32 |
796 | select DMA_COHERENT | |
ade299d8 | 797 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 798 | select SIBYTE_BCM1x80 |
5e83d430 | 799 | select SWAP_IO_SPACE |
7cf8053b | 800 | select SYS_HAS_CPU_SB1 |
5e83d430 | 801 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 802 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 803 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 804 | select ZONE_DMA32 if 64BIT |
1da177e4 | 805 | |
14b36af4 TB |
806 | config SNI_RM |
807 | bool "SNI RM200/300/400" | |
0e2794b0 RB |
808 | select FW_ARC if CPU_LITTLE_ENDIAN |
809 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
aaa9fad3 | 810 | select FW_SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 811 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 812 | select BOOT_ELF32 |
42f77542 | 813 | select CEVT_R4K |
940f6b48 | 814 | select CSRC_R4K |
e2defae5 | 815 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
816 | select DMA_NONCOHERENT |
817 | select GENERIC_ISA_DMA | |
8a118c38 | 818 | select HAVE_PCSPKR_PLATFORM |
5e83d430 | 819 | select HW_HAS_EISA |
1da177e4 | 820 | select HW_HAS_PCI |
67e38cf2 | 821 | select IRQ_MIPS_CPU |
d865bea4 | 822 | select I8253 |
1da177e4 LT |
823 | select I8259 |
824 | select ISA | |
4a0312fc | 825 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 826 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 827 | select SYS_HAS_CPU_R5000 |
c066a32a | 828 | select SYS_HAS_CPU_R10000 |
4a0312fc | 829 | select R5000_CPU_SCACHE |
36a88530 | 830 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 831 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 832 | select SYS_SUPPORTS_64BIT_KERNEL |
4a0312fc | 833 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 834 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 835 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 836 | help |
14b36af4 TB |
837 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
838 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
839 | Technology and now in turn merged with Fujitsu. Say Y here to |
840 | support this machine type. | |
841 | ||
edcaf1a6 AN |
842 | config MACH_TX39XX |
843 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 844 | |
edcaf1a6 AN |
845 | config MACH_TX49XX |
846 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 847 | |
73b4390f RB |
848 | config MIKROTIK_RB532 |
849 | bool "Mikrotik RB532 boards" | |
850 | select CEVT_R4K | |
851 | select CSRC_R4K | |
852 | select DMA_NONCOHERENT | |
73b4390f | 853 | select HW_HAS_PCI |
67e38cf2 | 854 | select IRQ_MIPS_CPU |
73b4390f RB |
855 | select SYS_HAS_CPU_MIPS32_R1 |
856 | select SYS_SUPPORTS_32BIT_KERNEL | |
857 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
858 | select SWAP_IO_SPACE | |
859 | select BOOT_RAW | |
d888e25b | 860 | select ARCH_REQUIRE_GPIOLIB |
930beb5a | 861 | select MIPS_L1_CACHE_SHIFT_4 |
73b4390f RB |
862 | help |
863 | Support the Mikrotik(tm) RouterBoard 532 series, | |
864 | based on the IDT RC32434 SoC. | |
865 | ||
9ddebc46 DD |
866 | config CAVIUM_OCTEON_SOC |
867 | bool "Cavium Networks Octeon SoC based boards" | |
a86c7f72 | 868 | select CEVT_R4K |
34adb28d | 869 | select ARCH_PHYS_ADDR_T_64BIT |
a86c7f72 DD |
870 | select DMA_COHERENT |
871 | select SYS_SUPPORTS_64BIT_KERNEL | |
872 | select SYS_SUPPORTS_BIG_ENDIAN | |
f65aad41 | 873 | select EDAC_SUPPORT |
b01aec9b | 874 | select EDAC_ATOMIC_SCRUB |
73569d87 DD |
875 | select SYS_SUPPORTS_LITTLE_ENDIAN |
876 | select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN | |
a86c7f72 | 877 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 878 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 879 | select SWAP_IO_SPACE |
e8635b48 | 880 | select HW_HAS_PCI |
f00e001e | 881 | select ZONE_DMA32 |
465aaed0 | 882 | select HOLES_IN_ZONE |
99cab4bb | 883 | select ARCH_REQUIRE_GPIOLIB |
6e511163 DD |
884 | select LIBFDT |
885 | select USE_OF | |
886 | select ARCH_SPARSEMEM_ENABLE | |
887 | select SYS_SUPPORTS_SMP | |
888 | select NR_CPUS_DEFAULT_16 | |
e326479f | 889 | select BUILTIN_DTB |
8c1e6b14 | 890 | select MTD_COMPLEX_MAPPINGS |
a86c7f72 DD |
891 | help |
892 | This option supports all of the Octeon reference boards from Cavium | |
893 | Networks. It builds a kernel that dynamically determines the Octeon | |
894 | CPU type and supports all known board reference implementations. | |
895 | Some of the supported boards are: | |
896 | EBT3000 | |
897 | EBH3000 | |
898 | EBH3100 | |
899 | Thunder | |
900 | Kodama | |
901 | Hikari | |
902 | Say Y here for most Octeon reference boards. | |
903 | ||
7f058e85 J |
904 | config NLM_XLR_BOARD |
905 | bool "Netlogic XLR/XLS based systems" | |
7f058e85 J |
906 | select BOOT_ELF32 |
907 | select NLM_COMMON | |
7f058e85 J |
908 | select SYS_HAS_CPU_XLR |
909 | select SYS_SUPPORTS_SMP | |
910 | select HW_HAS_PCI | |
911 | select SWAP_IO_SPACE | |
912 | select SYS_SUPPORTS_32BIT_KERNEL | |
913 | select SYS_SUPPORTS_64BIT_KERNEL | |
34adb28d | 914 | select ARCH_PHYS_ADDR_T_64BIT |
7f058e85 J |
915 | select SYS_SUPPORTS_BIG_ENDIAN |
916 | select SYS_SUPPORTS_HIGHMEM | |
917 | select DMA_COHERENT | |
918 | select NR_CPUS_DEFAULT_32 | |
919 | select CEVT_R4K | |
920 | select CSRC_R4K | |
67e38cf2 | 921 | select IRQ_MIPS_CPU |
b97215fd | 922 | select ZONE_DMA32 if 64BIT |
7f058e85 J |
923 | select SYNC_R4K |
924 | select SYS_HAS_EARLY_PRINTK | |
8f0b0430 J |
925 | select SYS_SUPPORTS_ZBOOT |
926 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
7f058e85 J |
927 | help |
928 | Support for systems based on Netlogic XLR and XLS processors. | |
929 | Say Y here if you have a XLR or XLS based board. | |
930 | ||
1c773ea4 J |
931 | config NLM_XLP_BOARD |
932 | bool "Netlogic XLP based systems" | |
1c773ea4 J |
933 | select BOOT_ELF32 |
934 | select NLM_COMMON | |
935 | select SYS_HAS_CPU_XLP | |
936 | select SYS_SUPPORTS_SMP | |
937 | select HW_HAS_PCI | |
1c773ea4 J |
938 | select SYS_SUPPORTS_32BIT_KERNEL |
939 | select SYS_SUPPORTS_64BIT_KERNEL | |
34adb28d | 940 | select ARCH_PHYS_ADDR_T_64BIT |
079e3160 | 941 | select ARCH_REQUIRE_GPIOLIB |
1c773ea4 J |
942 | select SYS_SUPPORTS_BIG_ENDIAN |
943 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
944 | select SYS_SUPPORTS_HIGHMEM | |
945 | select DMA_COHERENT | |
946 | select NR_CPUS_DEFAULT_32 | |
947 | select CEVT_R4K | |
948 | select CSRC_R4K | |
67e38cf2 | 949 | select IRQ_MIPS_CPU |
b97215fd | 950 | select ZONE_DMA32 if 64BIT |
1c773ea4 J |
951 | select SYNC_R4K |
952 | select SYS_HAS_EARLY_PRINTK | |
2f6528e1 | 953 | select USE_OF |
8f0b0430 J |
954 | select SYS_SUPPORTS_ZBOOT |
955 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
1c773ea4 J |
956 | help |
957 | This board is based on Netlogic XLP Processor. | |
958 | Say Y here if you have a XLP based board. | |
959 | ||
9bc463be DD |
960 | config MIPS_PARAVIRT |
961 | bool "Para-Virtualized guest system" | |
962 | select CEVT_R4K | |
963 | select CSRC_R4K | |
964 | select DMA_COHERENT | |
965 | select SYS_SUPPORTS_64BIT_KERNEL | |
966 | select SYS_SUPPORTS_32BIT_KERNEL | |
967 | select SYS_SUPPORTS_BIG_ENDIAN | |
968 | select SYS_SUPPORTS_SMP | |
969 | select NR_CPUS_DEFAULT_4 | |
970 | select SYS_HAS_EARLY_PRINTK | |
971 | select SYS_HAS_CPU_MIPS32_R2 | |
972 | select SYS_HAS_CPU_MIPS64_R2 | |
973 | select SYS_HAS_CPU_CAVIUM_OCTEON | |
974 | select HW_HAS_PCI | |
975 | select SWAP_IO_SPACE | |
976 | help | |
977 | This option supports guest running under ???? | |
978 | ||
5e83d430 | 979 | endchoice |
1da177e4 | 980 | |
e8c7c482 | 981 | source "arch/mips/alchemy/Kconfig" |
3b12308f | 982 | source "arch/mips/ath25/Kconfig" |
d4a67d9d | 983 | source "arch/mips/ath79/Kconfig" |
a656ffcb | 984 | source "arch/mips/bcm47xx/Kconfig" |
e7300d04 | 985 | source "arch/mips/bcm63xx/Kconfig" |
8945e37e | 986 | source "arch/mips/bmips/Kconfig" |
5e83d430 | 987 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 988 | source "arch/mips/jz4740/Kconfig" |
8ec6d935 | 989 | source "arch/mips/lantiq/Kconfig" |
1f21d2bd | 990 | source "arch/mips/lasat/Kconfig" |
2572f00d | 991 | source "arch/mips/pic32/Kconfig" |
af0cfb2c | 992 | source "arch/mips/pistachio/Kconfig" |
0f3a05cb | 993 | source "arch/mips/pmcs-msp71xx/Kconfig" |
ae2b5bb6 | 994 | source "arch/mips/ralink/Kconfig" |
29c48699 | 995 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 996 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 997 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 998 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 999 | source "arch/mips/cavium-octeon/Kconfig" |
30ad29bb HC |
1000 | source "arch/mips/loongson32/Kconfig" |
1001 | source "arch/mips/loongson64/Kconfig" | |
7f058e85 | 1002 | source "arch/mips/netlogic/Kconfig" |
ae6e7e63 | 1003 | source "arch/mips/paravirt/Kconfig" |
9937f5ff | 1004 | source "arch/mips/xilfpga/Kconfig" |
38b18f72 | 1005 | |
5e83d430 RB |
1006 | endmenu |
1007 | ||
1da177e4 LT |
1008 | config RWSEM_GENERIC_SPINLOCK |
1009 | bool | |
1010 | default y | |
1011 | ||
1012 | config RWSEM_XCHGADD_ALGORITHM | |
1013 | bool | |
1014 | ||
f0d1b0b3 DH |
1015 | config ARCH_HAS_ILOG2_U32 |
1016 | bool | |
1017 | default n | |
1018 | ||
1019 | config ARCH_HAS_ILOG2_U64 | |
1020 | bool | |
1021 | default n | |
1022 | ||
3c9ee7ef AM |
1023 | config GENERIC_HWEIGHT |
1024 | bool | |
1025 | default y | |
1026 | ||
1da177e4 LT |
1027 | config GENERIC_CALIBRATE_DELAY |
1028 | bool | |
1029 | default y | |
1030 | ||
ae1e9130 | 1031 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
1032 | bool |
1033 | default y | |
1034 | ||
1da177e4 LT |
1035 | # |
1036 | # Select some configuration options automatically based on user selections. | |
1037 | # | |
0e2794b0 | 1038 | config FW_ARC |
1da177e4 | 1039 | bool |
1da177e4 | 1040 | |
61ed242d RB |
1041 | config ARCH_MAY_HAVE_PC_FDC |
1042 | bool | |
1043 | ||
9267a30d MSJ |
1044 | config BOOT_RAW |
1045 | bool | |
1046 | ||
217dd11e RB |
1047 | config CEVT_BCM1480 |
1048 | bool | |
1049 | ||
6457d9fc YY |
1050 | config CEVT_DS1287 |
1051 | bool | |
1052 | ||
1097c6ac YY |
1053 | config CEVT_GT641XX |
1054 | bool | |
1055 | ||
42f77542 RB |
1056 | config CEVT_R4K |
1057 | bool | |
1058 | ||
217dd11e RB |
1059 | config CEVT_SB1250 |
1060 | bool | |
1061 | ||
229f773e AN |
1062 | config CEVT_TXX9 |
1063 | bool | |
1064 | ||
217dd11e RB |
1065 | config CSRC_BCM1480 |
1066 | bool | |
1067 | ||
4247417d YY |
1068 | config CSRC_IOASIC |
1069 | bool | |
1070 | ||
940f6b48 RB |
1071 | config CSRC_R4K |
1072 | bool | |
1073 | ||
217dd11e RB |
1074 | config CSRC_SB1250 |
1075 | bool | |
1076 | ||
a7f4df4e AS |
1077 | config MIPS_CLOCK_VSYSCALL |
1078 | def_bool CSRC_R4K || CLKSRC_MIPS_GIC | |
1079 | ||
a9aec7fe | 1080 | config GPIO_TXX9 |
7444a72e | 1081 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
1082 | bool |
1083 | ||
0e2794b0 | 1084 | config FW_CFE |
df78b5c8 AJ |
1085 | bool |
1086 | ||
4bafad92 | 1087 | config ARCH_DMA_ADDR_T_64BIT |
34adb28d | 1088 | def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT |
4bafad92 | 1089 | |
40e084a5 RB |
1090 | config ARCH_SUPPORTS_UPROBES |
1091 | bool | |
1092 | ||
885014bc FF |
1093 | config DMA_MAYBE_COHERENT |
1094 | select DMA_NONCOHERENT | |
1095 | bool | |
1096 | ||
4ce588cd | 1097 | config DMA_COHERENT |
1da177e4 LT |
1098 | bool |
1099 | ||
4ce588cd RB |
1100 | config DMA_NONCOHERENT |
1101 | bool | |
e1e02b32 | 1102 | select NEED_DMA_MAP_STATE |
4ce588cd | 1103 | |
e1e02b32 | 1104 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
1105 | bool |
1106 | ||
36a88530 | 1107 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 1108 | bool |
1da177e4 | 1109 | |
dbb74540 | 1110 | config HOTPLUG_CPU |
1b2bc75c | 1111 | bool "Support for hot-pluggable CPUs" |
40b31360 | 1112 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU |
1b2bc75c RB |
1113 | help |
1114 | Say Y here to allow turning CPUs off and on. CPUs can be | |
1115 | controlled through /sys/devices/system/cpu. | |
1116 | (Note: power management support will enable this option | |
1117 | automatically on SMP systems. ) | |
1118 | Say N if you want to disable CPU hotplug. | |
1119 | ||
1120 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 1121 | bool |
dbb74540 | 1122 | |
1da177e4 LT |
1123 | config MIPS_BONITO64 |
1124 | bool | |
1da177e4 LT |
1125 | |
1126 | config MIPS_MSC | |
1127 | bool | |
1da177e4 | 1128 | |
1f21d2bd BM |
1129 | config MIPS_NILE4 |
1130 | bool | |
1131 | ||
39b8d525 RB |
1132 | config SYNC_R4K |
1133 | bool | |
1134 | ||
487d70d0 GJ |
1135 | config MIPS_MACHINE |
1136 | def_bool n | |
1137 | ||
ce816fa8 | 1138 | config NO_IOPORT_MAP |
d388d685 MR |
1139 | def_bool n |
1140 | ||
4e0748f5 MC |
1141 | config GENERIC_CSUM |
1142 | bool | |
1143 | ||
8313da30 RB |
1144 | config GENERIC_ISA_DMA |
1145 | bool | |
1146 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 1147 | select ISA_DMA_API |
8313da30 | 1148 | |
aa414dff RB |
1149 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
1150 | bool | |
8313da30 | 1151 | select GENERIC_ISA_DMA |
aa414dff | 1152 | |
a35bee8a NK |
1153 | config ISA_DMA_API |
1154 | bool | |
1155 | ||
465aaed0 DD |
1156 | config HOLES_IN_ZONE |
1157 | bool | |
1158 | ||
5e83d430 | 1159 | # |
6b2aac42 | 1160 | # Endianness selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
1161 | # answer,so we try hard to limit the available choices. Also the use of a |
1162 | # choice statement should be more obvious to the user. | |
1163 | # | |
1164 | choice | |
6b2aac42 | 1165 | prompt "Endianness selection" |
1da177e4 LT |
1166 | help |
1167 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 1168 | byte order. These modes require different kernels and a different |
3cb2fccc | 1169 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 1170 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 1171 | one or the other endianness. |
5e83d430 RB |
1172 | |
1173 | config CPU_BIG_ENDIAN | |
1174 | bool "Big endian" | |
1175 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
1176 | ||
1177 | config CPU_LITTLE_ENDIAN | |
1178 | bool "Little endian" | |
1179 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
5e83d430 RB |
1180 | |
1181 | endchoice | |
1182 | ||
22b0763a DD |
1183 | config EXPORT_UASM |
1184 | bool | |
1185 | ||
2116245e RB |
1186 | config SYS_SUPPORTS_APM_EMULATION |
1187 | bool | |
1188 | ||
5e83d430 RB |
1189 | config SYS_SUPPORTS_BIG_ENDIAN |
1190 | bool | |
1191 | ||
1192 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
1193 | bool | |
1da177e4 | 1194 | |
9cffd154 DD |
1195 | config SYS_SUPPORTS_HUGETLBFS |
1196 | bool | |
1197 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1198 | default y | |
1199 | ||
aa1762f4 DD |
1200 | config MIPS_HUGE_TLB_SUPPORT |
1201 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1202 | ||
1da177e4 LT |
1203 | config IRQ_CPU_RM7K |
1204 | bool | |
1205 | ||
9267a30d MSJ |
1206 | config IRQ_MSP_SLP |
1207 | bool | |
1208 | ||
1209 | config IRQ_MSP_CIC | |
1210 | bool | |
1211 | ||
8420fd00 AN |
1212 | config IRQ_TXX9 |
1213 | bool | |
1214 | ||
d5ab1a69 YY |
1215 | config IRQ_GT641XX |
1216 | bool | |
1217 | ||
252161ec | 1218 | config PCI_GT64XXX_PCI0 |
1da177e4 | 1219 | bool |
1da177e4 | 1220 | |
9267a30d MSJ |
1221 | config NO_EXCEPT_FILL |
1222 | bool | |
1223 | ||
a83860c2 RB |
1224 | config SOC_EMMA2RH |
1225 | bool | |
1226 | select CEVT_R4K | |
1227 | select CSRC_R4K | |
1228 | select DMA_NONCOHERENT | |
67e38cf2 | 1229 | select IRQ_MIPS_CPU |
a83860c2 RB |
1230 | select SWAP_IO_SPACE |
1231 | select SYS_HAS_CPU_R5500 | |
1232 | select SYS_SUPPORTS_32BIT_KERNEL | |
1233 | select SYS_SUPPORTS_64BIT_KERNEL | |
1234 | select SYS_SUPPORTS_BIG_ENDIAN | |
1235 | ||
edb6310a DL |
1236 | config SOC_PNX833X |
1237 | bool | |
1238 | select CEVT_R4K | |
1239 | select CSRC_R4K | |
67e38cf2 | 1240 | select IRQ_MIPS_CPU |
edb6310a DL |
1241 | select DMA_NONCOHERENT |
1242 | select SYS_HAS_CPU_MIPS32_R2 | |
1243 | select SYS_SUPPORTS_32BIT_KERNEL | |
1244 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1245 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 1246 | select SYS_SUPPORTS_MIPS16 |
edb6310a DL |
1247 | select CPU_MIPSR2_IRQ_VI |
1248 | ||
1249 | config SOC_PNX8335 | |
1250 | bool | |
1251 | select SOC_PNX833X | |
1252 | ||
a7e07b1a MC |
1253 | config MIPS_SPRAM |
1254 | bool | |
1255 | ||
1da177e4 LT |
1256 | config SWAP_IO_SPACE |
1257 | bool | |
1258 | ||
e2defae5 TB |
1259 | config SGI_HAS_INDYDOG |
1260 | bool | |
1261 | ||
5b438c44 TB |
1262 | config SGI_HAS_HAL2 |
1263 | bool | |
1264 | ||
e2defae5 TB |
1265 | config SGI_HAS_SEEQ |
1266 | bool | |
1267 | ||
1268 | config SGI_HAS_WD93 | |
1269 | bool | |
1270 | ||
1271 | config SGI_HAS_ZILOG | |
1272 | bool | |
1273 | ||
1274 | config SGI_HAS_I8042 | |
1275 | bool | |
1276 | ||
1277 | config DEFAULT_SGI_PARTITION | |
1278 | bool | |
1279 | ||
0e2794b0 | 1280 | config FW_ARC32 |
5e83d430 RB |
1281 | bool |
1282 | ||
aaa9fad3 | 1283 | config FW_SNIPROM |
231a35d3 TB |
1284 | bool |
1285 | ||
1da177e4 LT |
1286 | config BOOT_ELF32 |
1287 | bool | |
1da177e4 | 1288 | |
930beb5a FF |
1289 | config MIPS_L1_CACHE_SHIFT_4 |
1290 | bool | |
1291 | ||
1292 | config MIPS_L1_CACHE_SHIFT_5 | |
1293 | bool | |
1294 | ||
1295 | config MIPS_L1_CACHE_SHIFT_6 | |
1296 | bool | |
1297 | ||
1298 | config MIPS_L1_CACHE_SHIFT_7 | |
1299 | bool | |
1300 | ||
1da177e4 LT |
1301 | config MIPS_L1_CACHE_SHIFT |
1302 | int | |
a4c0201e | 1303 | default "7" if MIPS_L1_CACHE_SHIFT_7 |
5432eeb6 KC |
1304 | default "6" if MIPS_L1_CACHE_SHIFT_6 |
1305 | default "5" if MIPS_L1_CACHE_SHIFT_5 | |
1306 | default "4" if MIPS_L1_CACHE_SHIFT_4 | |
1da177e4 LT |
1307 | default "5" |
1308 | ||
1da177e4 LT |
1309 | config HAVE_STD_PC_SERIAL_PORT |
1310 | bool | |
1311 | ||
1da177e4 LT |
1312 | config ARC_CONSOLE |
1313 | bool "ARC console support" | |
e2defae5 | 1314 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1315 | |
1316 | config ARC_MEMORY | |
1317 | bool | |
14b36af4 | 1318 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1319 | default y |
1320 | ||
1321 | config ARC_PROMLIB | |
1322 | bool | |
e2defae5 | 1323 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1324 | default y |
1325 | ||
0e2794b0 | 1326 | config FW_ARC64 |
1da177e4 | 1327 | bool |
1da177e4 LT |
1328 | |
1329 | config BOOT_ELF64 | |
1330 | bool | |
1da177e4 | 1331 | |
1da177e4 LT |
1332 | menu "CPU selection" |
1333 | ||
1334 | choice | |
1335 | prompt "CPU type" | |
1336 | default CPU_R4X00 | |
1337 | ||
0e476d91 HC |
1338 | config CPU_LOONGSON3 |
1339 | bool "Loongson 3 CPU" | |
1340 | depends on SYS_HAS_CPU_LOONGSON3 | |
1341 | select CPU_SUPPORTS_64BIT_KERNEL | |
1342 | select CPU_SUPPORTS_HIGHMEM | |
1343 | select CPU_SUPPORTS_HUGEPAGES | |
1344 | select WEAK_ORDERING | |
1345 | select WEAK_REORDERING_BEYOND_LLSC | |
cbfb3ea7 | 1346 | select ARCH_REQUIRE_GPIOLIB |
0e476d91 HC |
1347 | help |
1348 | The Loongson 3 processor implements the MIPS64R2 instruction | |
1349 | set with many extensions. | |
1350 | ||
3702bba5 WZ |
1351 | config CPU_LOONGSON2E |
1352 | bool "Loongson 2E" | |
1353 | depends on SYS_HAS_CPU_LOONGSON2E | |
1354 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1355 | help |
1356 | The Loongson 2E processor implements the MIPS III instruction set | |
1357 | with many extensions. | |
1358 | ||
25985edc | 1359 | It has an internal FPGA northbridge, which is compatible to |
6f7a251a WZ |
1360 | bonito64. |
1361 | ||
1362 | config CPU_LOONGSON2F | |
1363 | bool "Loongson 2F" | |
1364 | depends on SYS_HAS_CPU_LOONGSON2F | |
1365 | select CPU_LOONGSON2 | |
c197da91 | 1366 | select ARCH_REQUIRE_GPIOLIB |
6f7a251a WZ |
1367 | help |
1368 | The Loongson 2F processor implements the MIPS III instruction set | |
1369 | with many extensions. | |
1370 | ||
1371 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1372 | have a similar programming interface with FPGA northbridge used in | |
1373 | Loongson2E. | |
1374 | ||
ca585cf9 KC |
1375 | config CPU_LOONGSON1B |
1376 | bool "Loongson 1B" | |
1377 | depends on SYS_HAS_CPU_LOONGSON1B | |
1378 | select CPU_LOONGSON1 | |
1379 | help | |
1380 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1381 | release 2 instruction set. | |
1382 | ||
6e760c8d RB |
1383 | config CPU_MIPS32_R1 |
1384 | bool "MIPS32 Release 1" | |
7cf8053b | 1385 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1386 | select CPU_HAS_PREFETCH |
797798c1 | 1387 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1388 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1389 | help |
5e83d430 | 1390 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1391 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1392 | MIPS processor are based on a MIPS32 processor. If you know the | |
1393 | specific type of processor in your system, choose those that one | |
1394 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1395 | Release 2 of the MIPS32 architecture is available since several | |
1396 | years so chances are you even have a MIPS32 Release 2 processor | |
1397 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1398 | performance. | |
1399 | ||
1400 | config CPU_MIPS32_R2 | |
1401 | bool "MIPS32 Release 2" | |
7cf8053b | 1402 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1403 | select CPU_HAS_PREFETCH |
797798c1 | 1404 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1405 | select CPU_SUPPORTS_HIGHMEM |
a5e9a69e | 1406 | select CPU_SUPPORTS_MSA |
2235a54d | 1407 | select HAVE_KVM |
6e760c8d | 1408 | help |
5e83d430 | 1409 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1410 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1411 | MIPS processor are based on a MIPS32 processor. If you know the | |
1412 | specific type of processor in your system, choose those that one | |
1413 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1414 | ||
7fd08ca5 | 1415 | config CPU_MIPS32_R6 |
674d10e2 | 1416 | bool "MIPS32 Release 6" |
7fd08ca5 LY |
1417 | depends on SYS_HAS_CPU_MIPS32_R6 |
1418 | select CPU_HAS_PREFETCH | |
1419 | select CPU_SUPPORTS_32BIT_KERNEL | |
1420 | select CPU_SUPPORTS_HIGHMEM | |
1421 | select CPU_SUPPORTS_MSA | |
4e0748f5 | 1422 | select GENERIC_CSUM |
7fd08ca5 LY |
1423 | select HAVE_KVM |
1424 | select MIPS_O32_FP64_SUPPORT | |
1425 | help | |
1426 | Choose this option to build a kernel for release 6 or later of the | |
1427 | MIPS32 architecture. New MIPS processors, starting with the Warrior | |
1428 | family, are based on a MIPS32r6 processor. If you own an older | |
1429 | processor, you probably need to select MIPS32r1 or MIPS32r2 instead. | |
1430 | ||
6e760c8d RB |
1431 | config CPU_MIPS64_R1 |
1432 | bool "MIPS64 Release 1" | |
7cf8053b | 1433 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1434 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1435 | select CPU_SUPPORTS_32BIT_KERNEL |
1436 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1437 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1438 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1439 | help |
1440 | Choose this option to build a kernel for release 1 or later of the | |
1441 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1442 | MIPS processor are based on a MIPS64 processor. If you know the | |
1443 | specific type of processor in your system, choose those that one | |
1444 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1445 | Release 2 of the MIPS64 architecture is available since several |
1446 | years so chances are you even have a MIPS64 Release 2 processor | |
1447 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1448 | performance. | |
1449 | ||
1450 | config CPU_MIPS64_R2 | |
1451 | bool "MIPS64 Release 2" | |
7cf8053b | 1452 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1453 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1454 | select CPU_SUPPORTS_32BIT_KERNEL |
1455 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1456 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1457 | select CPU_SUPPORTS_HUGEPAGES |
a5e9a69e | 1458 | select CPU_SUPPORTS_MSA |
1e5f1caa RB |
1459 | help |
1460 | Choose this option to build a kernel for release 2 or later of the | |
1461 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1462 | MIPS processor are based on a MIPS64 processor. If you know the | |
1463 | specific type of processor in your system, choose those that one | |
1464 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 | 1465 | |
7fd08ca5 | 1466 | config CPU_MIPS64_R6 |
674d10e2 | 1467 | bool "MIPS64 Release 6" |
7fd08ca5 LY |
1468 | depends on SYS_HAS_CPU_MIPS64_R6 |
1469 | select CPU_HAS_PREFETCH | |
1470 | select CPU_SUPPORTS_32BIT_KERNEL | |
1471 | select CPU_SUPPORTS_64BIT_KERNEL | |
1472 | select CPU_SUPPORTS_HIGHMEM | |
1473 | select CPU_SUPPORTS_MSA | |
4e0748f5 | 1474 | select GENERIC_CSUM |
4e9d324d | 1475 | select MIPS_O32_FP64_SUPPORT if MIPS32_O32 |
7fd08ca5 LY |
1476 | help |
1477 | Choose this option to build a kernel for release 6 or later of the | |
1478 | MIPS64 architecture. New MIPS processors, starting with the Warrior | |
1479 | family, are based on a MIPS64r6 processor. If you own an older | |
1480 | processor, you probably need to select MIPS64r1 or MIPS64r2 instead. | |
1481 | ||
1da177e4 LT |
1482 | config CPU_R3000 |
1483 | bool "R3000" | |
7cf8053b | 1484 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1485 | select CPU_HAS_WB |
ed5ba2fb | 1486 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1487 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1488 | help |
1489 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1490 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1491 | *not* work on R4000 machines and vice versa. However, since most | |
1492 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1493 | might be a safe bet. If the resulting kernel does not work, | |
1494 | try to recompile with R3000. | |
1495 | ||
1496 | config CPU_TX39XX | |
1497 | bool "R39XX" | |
7cf8053b | 1498 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1499 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1500 | |
1501 | config CPU_VR41XX | |
1502 | bool "R41xx" | |
7cf8053b | 1503 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1504 | select CPU_SUPPORTS_32BIT_KERNEL |
1505 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1506 | help |
5e83d430 | 1507 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1508 | Only choose this option if you have one of these processors as a |
1509 | kernel built with this option will not run on any other type of | |
1510 | processor or vice versa. | |
1511 | ||
1512 | config CPU_R4300 | |
1513 | bool "R4300" | |
7cf8053b | 1514 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1515 | select CPU_SUPPORTS_32BIT_KERNEL |
1516 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1517 | help |
1518 | MIPS Technologies R4300-series processors. | |
1519 | ||
1520 | config CPU_R4X00 | |
1521 | bool "R4x00" | |
7cf8053b | 1522 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1523 | select CPU_SUPPORTS_32BIT_KERNEL |
1524 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1525 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1526 | help |
1527 | MIPS Technologies R4000-series processors other than 4300, including | |
1528 | the R4000, R4400, R4600, and 4700. | |
1529 | ||
1530 | config CPU_TX49XX | |
1531 | bool "R49XX" | |
7cf8053b | 1532 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1533 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1534 | select CPU_SUPPORTS_32BIT_KERNEL |
1535 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1536 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1537 | |
1538 | config CPU_R5000 | |
1539 | bool "R5000" | |
7cf8053b | 1540 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1541 | select CPU_SUPPORTS_32BIT_KERNEL |
1542 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1543 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1544 | help |
1545 | MIPS Technologies R5000-series processors other than the Nevada. | |
1546 | ||
1547 | config CPU_R5432 | |
1548 | bool "R5432" | |
7cf8053b | 1549 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1550 | select CPU_SUPPORTS_32BIT_KERNEL |
1551 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1552 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 | 1553 | |
542c1020 SK |
1554 | config CPU_R5500 |
1555 | bool "R5500" | |
1556 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1557 | select CPU_SUPPORTS_32BIT_KERNEL |
1558 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1559 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1560 | help |
1561 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1562 | instruction set. | |
1563 | ||
1da177e4 LT |
1564 | config CPU_R6000 |
1565 | bool "R6000" | |
7cf8053b | 1566 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1567 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1568 | help |
1569 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1570 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1571 | |
1572 | config CPU_NEVADA | |
1573 | bool "RM52xx" | |
7cf8053b | 1574 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1575 | select CPU_SUPPORTS_32BIT_KERNEL |
1576 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1577 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1578 | help |
1579 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1580 | ||
1581 | config CPU_R8000 | |
1582 | bool "R8000" | |
7cf8053b | 1583 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1584 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1585 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1586 | help |
1587 | MIPS Technologies R8000 processors. Note these processors are | |
1588 | uncommon and the support for them is incomplete. | |
1589 | ||
1590 | config CPU_R10000 | |
1591 | bool "R10000" | |
7cf8053b | 1592 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1593 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1594 | select CPU_SUPPORTS_32BIT_KERNEL |
1595 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1596 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1597 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1598 | help |
1599 | MIPS Technologies R10000-series processors. | |
1600 | ||
1601 | config CPU_RM7000 | |
1602 | bool "RM7000" | |
7cf8053b | 1603 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1604 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1605 | select CPU_SUPPORTS_32BIT_KERNEL |
1606 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1607 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1608 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1609 | |
1610 | config CPU_SB1 | |
1611 | bool "SB1" | |
7cf8053b | 1612 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1613 | select CPU_SUPPORTS_32BIT_KERNEL |
1614 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1615 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1616 | select CPU_SUPPORTS_HUGEPAGES |
0004a9df | 1617 | select WEAK_ORDERING |
1da177e4 | 1618 | |
a86c7f72 DD |
1619 | config CPU_CAVIUM_OCTEON |
1620 | bool "Cavium Octeon processor" | |
5e683389 | 1621 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
1622 | select CPU_HAS_PREFETCH |
1623 | select CPU_SUPPORTS_64BIT_KERNEL | |
a86c7f72 | 1624 | select WEAK_ORDERING |
a86c7f72 | 1625 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1626 | select CPU_SUPPORTS_HUGEPAGES |
df115f3e BH |
1627 | select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN |
1628 | select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
930beb5a | 1629 | select MIPS_L1_CACHE_SHIFT_7 |
a86c7f72 DD |
1630 | help |
1631 | The Cavium Octeon processor is a highly integrated chip containing | |
1632 | many ethernet hardware widgets for networking tasks. The processor | |
1633 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1634 | Full details can be found at http://www.caviumnetworks.com. | |
1635 | ||
cd746249 JG |
1636 | config CPU_BMIPS |
1637 | bool "Broadcom BMIPS" | |
1638 | depends on SYS_HAS_CPU_BMIPS | |
1639 | select CPU_MIPS32 | |
fe7f62c0 | 1640 | select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 |
cd746249 JG |
1641 | select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 |
1642 | select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 | |
1643 | select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 | |
1644 | select CPU_SUPPORTS_32BIT_KERNEL | |
1645 | select DMA_NONCOHERENT | |
67e38cf2 | 1646 | select IRQ_MIPS_CPU |
cd746249 JG |
1647 | select SWAP_IO_SPACE |
1648 | select WEAK_ORDERING | |
c1c0c461 | 1649 | select CPU_SUPPORTS_HIGHMEM |
69aaf9c8 | 1650 | select CPU_HAS_PREFETCH |
c1c0c461 | 1651 | help |
fe7f62c0 | 1652 | Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. |
c1c0c461 | 1653 | |
7f058e85 J |
1654 | config CPU_XLR |
1655 | bool "Netlogic XLR SoC" | |
1656 | depends on SYS_HAS_CPU_XLR | |
1657 | select CPU_SUPPORTS_32BIT_KERNEL | |
1658 | select CPU_SUPPORTS_64BIT_KERNEL | |
1659 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1660 | select CPU_SUPPORTS_HUGEPAGES |
7f058e85 J |
1661 | select WEAK_ORDERING |
1662 | select WEAK_REORDERING_BEYOND_LLSC | |
7f058e85 J |
1663 | help |
1664 | Netlogic Microsystems XLR/XLS processors. | |
1c773ea4 J |
1665 | |
1666 | config CPU_XLP | |
1667 | bool "Netlogic XLP SoC" | |
1668 | depends on SYS_HAS_CPU_XLP | |
1669 | select CPU_SUPPORTS_32BIT_KERNEL | |
1670 | select CPU_SUPPORTS_64BIT_KERNEL | |
1671 | select CPU_SUPPORTS_HIGHMEM | |
1c773ea4 J |
1672 | select WEAK_ORDERING |
1673 | select WEAK_REORDERING_BEYOND_LLSC | |
1674 | select CPU_HAS_PREFETCH | |
d6504846 | 1675 | select CPU_MIPSR2 |
ddba6833 | 1676 | select CPU_SUPPORTS_HUGEPAGES |
1c773ea4 J |
1677 | help |
1678 | Netlogic Microsystems XLP processors. | |
1da177e4 LT |
1679 | endchoice |
1680 | ||
a6e18781 LY |
1681 | config CPU_MIPS32_3_5_FEATURES |
1682 | bool "MIPS32 Release 3.5 Features" | |
1683 | depends on SYS_HAS_CPU_MIPS32_R3_5 | |
7fd08ca5 | 1684 | depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 |
a6e18781 LY |
1685 | help |
1686 | Choose this option to build a kernel for release 2 or later of the | |
1687 | MIPS32 architecture including features from the 3.5 release such as | |
1688 | support for Enhanced Virtual Addressing (EVA). | |
1689 | ||
1690 | config CPU_MIPS32_3_5_EVA | |
1691 | bool "Enhanced Virtual Addressing (EVA)" | |
1692 | depends on CPU_MIPS32_3_5_FEATURES | |
1693 | select EVA | |
1694 | default y | |
1695 | help | |
1696 | Choose this option if you want to enable the Enhanced Virtual | |
1697 | Addressing (EVA) on your MIPS32 core (such as proAptiv). | |
1698 | One of its primary benefits is an increase in the maximum size | |
1699 | of lowmem (up to 3GB). If unsure, say 'N' here. | |
1700 | ||
c5b36783 SH |
1701 | config CPU_MIPS32_R5_FEATURES |
1702 | bool "MIPS32 Release 5 Features" | |
1703 | depends on SYS_HAS_CPU_MIPS32_R5 | |
1704 | depends on CPU_MIPS32_R2 | |
1705 | help | |
1706 | Choose this option to build a kernel for release 2 or later of the | |
1707 | MIPS32 architecture including features from release 5 such as | |
1708 | support for Extended Physical Addressing (XPA). | |
1709 | ||
1710 | config CPU_MIPS32_R5_XPA | |
1711 | bool "Extended Physical Addressing (XPA)" | |
1712 | depends on CPU_MIPS32_R5_FEATURES | |
1713 | depends on !EVA | |
1714 | depends on !PAGE_SIZE_4KB | |
1715 | depends on SYS_SUPPORTS_HIGHMEM | |
1716 | select XPA | |
1717 | select HIGHMEM | |
1718 | select ARCH_PHYS_ADDR_T_64BIT | |
1719 | default n | |
1720 | help | |
1721 | Choose this option if you want to enable the Extended Physical | |
1722 | Addressing (XPA) on your MIPS32 core (such as P5600 series). The | |
1723 | benefit is to increase physical addressing equal to or greater | |
1724 | than 40 bits. Note that this has the side effect of turning on | |
1725 | 64-bit addressing which in turn makes the PTEs 64-bit in size. | |
1726 | If unsure, say 'N' here. | |
1727 | ||
622844bf WZ |
1728 | if CPU_LOONGSON2F |
1729 | config CPU_NOP_WORKAROUNDS | |
1730 | bool | |
1731 | ||
1732 | config CPU_JUMP_WORKAROUNDS | |
1733 | bool | |
1734 | ||
1735 | config CPU_LOONGSON2F_WORKAROUNDS | |
1736 | bool "Loongson 2F Workarounds" | |
1737 | default y | |
1738 | select CPU_NOP_WORKAROUNDS | |
1739 | select CPU_JUMP_WORKAROUNDS | |
1740 | help | |
1741 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1742 | require workarounds. Without workarounds the system may hang | |
1743 | unexpectedly. For more information please refer to the gas | |
1744 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1745 | ||
1746 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1747 | are needed. The workarounds have no significant side effect on them | |
1748 | but may decrease the performance of the system so this option should | |
1749 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1750 | systems. | |
1751 | ||
1752 | If unsure, please say Y. | |
1753 | endif # CPU_LOONGSON2F | |
1754 | ||
1b93b3c3 WZ |
1755 | config SYS_SUPPORTS_ZBOOT |
1756 | bool | |
1757 | select HAVE_KERNEL_GZIP | |
1758 | select HAVE_KERNEL_BZIP2 | |
31c4867d | 1759 | select HAVE_KERNEL_LZ4 |
1b93b3c3 | 1760 | select HAVE_KERNEL_LZMA |
fe1d45e0 | 1761 | select HAVE_KERNEL_LZO |
4e23eb63 | 1762 | select HAVE_KERNEL_XZ |
1b93b3c3 WZ |
1763 | |
1764 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1765 | bool | |
1766 | select SYS_SUPPORTS_ZBOOT | |
1767 | ||
dbb98314 AB |
1768 | config SYS_SUPPORTS_ZBOOT_UART_PROM |
1769 | bool | |
1770 | select SYS_SUPPORTS_ZBOOT | |
1771 | ||
3702bba5 WZ |
1772 | config CPU_LOONGSON2 |
1773 | bool | |
1774 | select CPU_SUPPORTS_32BIT_KERNEL | |
1775 | select CPU_SUPPORTS_64BIT_KERNEL | |
1776 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1777 | select CPU_SUPPORTS_HUGEPAGES |
3702bba5 | 1778 | |
ca585cf9 KC |
1779 | config CPU_LOONGSON1 |
1780 | bool | |
1781 | select CPU_MIPS32 | |
1782 | select CPU_MIPSR2 | |
1783 | select CPU_HAS_PREFETCH | |
1784 | select CPU_SUPPORTS_32BIT_KERNEL | |
1785 | select CPU_SUPPORTS_HIGHMEM | |
f29ad10d | 1786 | select CPU_SUPPORTS_CPUFREQ |
ca585cf9 | 1787 | |
fe7f62c0 | 1788 | config CPU_BMIPS32_3300 |
04fa8bf7 | 1789 | select SMP_UP if SMP |
1bbb6c1b | 1790 | bool |
cd746249 JG |
1791 | |
1792 | config CPU_BMIPS4350 | |
1793 | bool | |
1794 | select SYS_SUPPORTS_SMP | |
1795 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1796 | ||
1797 | config CPU_BMIPS4380 | |
1798 | bool | |
bbf2ba67 | 1799 | select MIPS_L1_CACHE_SHIFT_6 |
cd746249 JG |
1800 | select SYS_SUPPORTS_SMP |
1801 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1802 | ||
1803 | config CPU_BMIPS5000 | |
1804 | bool | |
cd746249 | 1805 | select MIPS_CPU_SCACHE |
bbf2ba67 | 1806 | select MIPS_L1_CACHE_SHIFT_7 |
cd746249 JG |
1807 | select SYS_SUPPORTS_SMP |
1808 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1bbb6c1b | 1809 | |
0e476d91 HC |
1810 | config SYS_HAS_CPU_LOONGSON3 |
1811 | bool | |
1812 | select CPU_SUPPORTS_CPUFREQ | |
1813 | ||
3702bba5 | 1814 | config SYS_HAS_CPU_LOONGSON2E |
2a21c730 FZ |
1815 | bool |
1816 | ||
6f7a251a WZ |
1817 | config SYS_HAS_CPU_LOONGSON2F |
1818 | bool | |
55045ff5 WZ |
1819 | select CPU_SUPPORTS_CPUFREQ |
1820 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1821 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1822 | |
ca585cf9 KC |
1823 | config SYS_HAS_CPU_LOONGSON1B |
1824 | bool | |
1825 | ||
7cf8053b RB |
1826 | config SYS_HAS_CPU_MIPS32_R1 |
1827 | bool | |
1828 | ||
1829 | config SYS_HAS_CPU_MIPS32_R2 | |
1830 | bool | |
1831 | ||
a6e18781 LY |
1832 | config SYS_HAS_CPU_MIPS32_R3_5 |
1833 | bool | |
1834 | ||
c5b36783 SH |
1835 | config SYS_HAS_CPU_MIPS32_R5 |
1836 | bool | |
1837 | ||
7fd08ca5 LY |
1838 | config SYS_HAS_CPU_MIPS32_R6 |
1839 | bool | |
1840 | ||
7cf8053b RB |
1841 | config SYS_HAS_CPU_MIPS64_R1 |
1842 | bool | |
1843 | ||
1844 | config SYS_HAS_CPU_MIPS64_R2 | |
1845 | bool | |
1846 | ||
7fd08ca5 LY |
1847 | config SYS_HAS_CPU_MIPS64_R6 |
1848 | bool | |
1849 | ||
7cf8053b RB |
1850 | config SYS_HAS_CPU_R3000 |
1851 | bool | |
1852 | ||
1853 | config SYS_HAS_CPU_TX39XX | |
1854 | bool | |
1855 | ||
1856 | config SYS_HAS_CPU_VR41XX | |
1857 | bool | |
1858 | ||
1859 | config SYS_HAS_CPU_R4300 | |
1860 | bool | |
1861 | ||
1862 | config SYS_HAS_CPU_R4X00 | |
1863 | bool | |
1864 | ||
1865 | config SYS_HAS_CPU_TX49XX | |
1866 | bool | |
1867 | ||
1868 | config SYS_HAS_CPU_R5000 | |
1869 | bool | |
1870 | ||
1871 | config SYS_HAS_CPU_R5432 | |
1872 | bool | |
1873 | ||
542c1020 SK |
1874 | config SYS_HAS_CPU_R5500 |
1875 | bool | |
1876 | ||
7cf8053b RB |
1877 | config SYS_HAS_CPU_R6000 |
1878 | bool | |
1879 | ||
1880 | config SYS_HAS_CPU_NEVADA | |
1881 | bool | |
1882 | ||
1883 | config SYS_HAS_CPU_R8000 | |
1884 | bool | |
1885 | ||
1886 | config SYS_HAS_CPU_R10000 | |
1887 | bool | |
1888 | ||
1889 | config SYS_HAS_CPU_RM7000 | |
1890 | bool | |
1891 | ||
7cf8053b RB |
1892 | config SYS_HAS_CPU_SB1 |
1893 | bool | |
1894 | ||
5e683389 DD |
1895 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1896 | bool | |
1897 | ||
cd746249 | 1898 | config SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1899 | bool |
1900 | ||
fe7f62c0 | 1901 | config SYS_HAS_CPU_BMIPS32_3300 |
c1c0c461 | 1902 | bool |
cd746249 | 1903 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1904 | |
1905 | config SYS_HAS_CPU_BMIPS4350 | |
1906 | bool | |
cd746249 | 1907 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1908 | |
1909 | config SYS_HAS_CPU_BMIPS4380 | |
1910 | bool | |
cd746249 | 1911 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1912 | |
1913 | config SYS_HAS_CPU_BMIPS5000 | |
1914 | bool | |
cd746249 | 1915 | select SYS_HAS_CPU_BMIPS |
c1c0c461 | 1916 | |
7f058e85 J |
1917 | config SYS_HAS_CPU_XLR |
1918 | bool | |
1919 | ||
1c773ea4 J |
1920 | config SYS_HAS_CPU_XLP |
1921 | bool | |
1922 | ||
b6911bba PB |
1923 | config MIPS_MALTA_PM |
1924 | depends on MIPS_MALTA | |
1925 | depends on PCI | |
1926 | bool | |
1927 | default y | |
1928 | ||
17099b11 RB |
1929 | # |
1930 | # CPU may reorder R->R, R->W, W->R, W->W | |
1931 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1932 | # | |
0004a9df RB |
1933 | config WEAK_ORDERING |
1934 | bool | |
17099b11 RB |
1935 | |
1936 | # | |
1937 | # CPU may reorder reads and writes beyond LL/SC | |
1938 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1939 | # | |
1940 | config WEAK_REORDERING_BEYOND_LLSC | |
1941 | bool | |
5e83d430 RB |
1942 | endmenu |
1943 | ||
1944 | # | |
c09b47d8 | 1945 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1946 | # |
1947 | config CPU_MIPS32 | |
1948 | bool | |
7fd08ca5 | 1949 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 |
5e83d430 RB |
1950 | |
1951 | config CPU_MIPS64 | |
1952 | bool | |
7fd08ca5 | 1953 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 |
5e83d430 RB |
1954 | |
1955 | # | |
c09b47d8 | 1956 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1957 | # |
1958 | config CPU_MIPSR1 | |
1959 | bool | |
1960 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1961 | ||
1962 | config CPU_MIPSR2 | |
1963 | bool | |
a86c7f72 | 1964 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
a7e07b1a | 1965 | select MIPS_SPRAM |
5e83d430 | 1966 | |
7fd08ca5 LY |
1967 | config CPU_MIPSR6 |
1968 | bool | |
1969 | default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 | |
a7e07b1a | 1970 | select MIPS_SPRAM |
5e83d430 | 1971 | |
a6e18781 LY |
1972 | config EVA |
1973 | bool | |
1974 | ||
c5b36783 SH |
1975 | config XPA |
1976 | bool | |
1977 | ||
5e83d430 RB |
1978 | config SYS_SUPPORTS_32BIT_KERNEL |
1979 | bool | |
1980 | config SYS_SUPPORTS_64BIT_KERNEL | |
1981 | bool | |
1982 | config CPU_SUPPORTS_32BIT_KERNEL | |
1983 | bool | |
1984 | config CPU_SUPPORTS_64BIT_KERNEL | |
1985 | bool | |
55045ff5 WZ |
1986 | config CPU_SUPPORTS_CPUFREQ |
1987 | bool | |
1988 | config CPU_SUPPORTS_ADDRWINCFG | |
1989 | bool | |
9cffd154 DD |
1990 | config CPU_SUPPORTS_HUGEPAGES |
1991 | bool | |
22f1fdfd WZ |
1992 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1993 | bool | |
82622284 DD |
1994 | config MIPS_PGD_C0_CONTEXT |
1995 | bool | |
d6504846 | 1996 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP |
5e83d430 | 1997 | |
8192c9ea DD |
1998 | # |
1999 | # Set to y for ptrace access to watch registers. | |
2000 | # | |
2001 | config HARDWARE_WATCHPOINTS | |
2002 | bool | |
f839490a | 2003 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 2004 | |
5e83d430 RB |
2005 | menu "Kernel type" |
2006 | ||
2007 | choice | |
5e83d430 RB |
2008 | prompt "Kernel code model" |
2009 | help | |
2010 | You should only select this option if you have a workload that | |
2011 | actually benefits from 64-bit processing or if your machine has | |
2012 | large memory. You will only be presented a single option in this | |
2013 | menu if your system does not support both 32-bit and 64-bit kernels. | |
2014 | ||
2015 | config 32BIT | |
2016 | bool "32-bit kernel" | |
2017 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
2018 | select TRAD_SIGNALS | |
2019 | help | |
2020 | Select this option if you want to build a 32-bit kernel. | |
f17c4ca3 | 2021 | |
5e83d430 RB |
2022 | config 64BIT |
2023 | bool "64-bit kernel" | |
2024 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
2025 | help | |
2026 | Select this option if you want to build a 64-bit kernel. | |
2027 | ||
2028 | endchoice | |
2029 | ||
2235a54d SL |
2030 | config KVM_GUEST |
2031 | bool "KVM Guest Kernel" | |
f2a5b1d7 | 2032 | depends on BROKEN_ON_SMP |
2235a54d | 2033 | help |
caa1faa7 JH |
2034 | Select this option if building a guest kernel for KVM (Trap & Emulate) |
2035 | mode. | |
2235a54d | 2036 | |
eda3d33c JH |
2037 | config KVM_GUEST_TIMER_FREQ |
2038 | int "Count/Compare Timer Frequency (MHz)" | |
2235a54d | 2039 | depends on KVM_GUEST |
eda3d33c | 2040 | default 100 |
2235a54d | 2041 | help |
eda3d33c JH |
2042 | Set this to non-zero if building a guest kernel for KVM to skip RTC |
2043 | emulation when determining guest CPU Frequency. Instead, the guest's | |
2044 | timer frequency is specified directly. | |
2235a54d | 2045 | |
1da177e4 LT |
2046 | choice |
2047 | prompt "Kernel page size" | |
2048 | default PAGE_SIZE_4KB | |
2049 | ||
2050 | config PAGE_SIZE_4KB | |
2051 | bool "4kB" | |
0e476d91 | 2052 | depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 |
1da177e4 LT |
2053 | help |
2054 | This option select the standard 4kB Linux page size. On some | |
2055 | R3000-family processors this is the only available page size. Using | |
2056 | 4kB page size will minimize memory consumption and is therefore | |
2057 | recommended for low memory systems. | |
2058 | ||
2059 | config PAGE_SIZE_8KB | |
2060 | bool "8kB" | |
7d60717e | 2061 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON |
1da177e4 LT |
2062 | help |
2063 | Using 8kB page size will result in higher performance kernel at | |
2064 | the price of higher memory consumption. This option is available | |
c52399be RB |
2065 | only on R8000 and cnMIPS processors. Note that you will need a |
2066 | suitable Linux distribution to support this. | |
1da177e4 LT |
2067 | |
2068 | config PAGE_SIZE_16KB | |
2069 | bool "16kB" | |
714bfad6 | 2070 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
2071 | help |
2072 | Using 16kB page size will result in higher performance kernel at | |
2073 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
2074 | all non-R3000 family processors. Note that you will need a suitable |
2075 | Linux distribution to support this. | |
1da177e4 | 2076 | |
c52399be RB |
2077 | config PAGE_SIZE_32KB |
2078 | bool "32kB" | |
2079 | depends on CPU_CAVIUM_OCTEON | |
2080 | help | |
2081 | Using 32kB page size will result in higher performance kernel at | |
2082 | the price of higher memory consumption. This option is available | |
2083 | only on cnMIPS cores. Note that you will need a suitable Linux | |
2084 | distribution to support this. | |
2085 | ||
1da177e4 LT |
2086 | config PAGE_SIZE_64KB |
2087 | bool "64kB" | |
74c81ecd | 2088 | depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 |
1da177e4 LT |
2089 | help |
2090 | Using 64kB page size will result in higher performance kernel at | |
2091 | the price of higher memory consumption. This option is available on | |
2092 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 2093 | writing this option is still high experimental. |
1da177e4 LT |
2094 | |
2095 | endchoice | |
2096 | ||
c9bace7c DD |
2097 | config FORCE_MAX_ZONEORDER |
2098 | int "Maximum zone order" | |
e4362d1e AS |
2099 | range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB |
2100 | default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB | |
2101 | range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2102 | default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2103 | range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
2104 | default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
c9bace7c DD |
2105 | range 11 64 |
2106 | default "11" | |
2107 | help | |
2108 | The kernel memory allocator divides physically contiguous memory | |
2109 | blocks into "zones", where each zone is a power of two number of | |
2110 | pages. This option selects the largest power of two that the kernel | |
2111 | keeps in the memory allocator. If you need to allocate very large | |
2112 | blocks of physically contiguous memory, then you may need to | |
2113 | increase this value. | |
2114 | ||
2115 | This config option is actually maximum order plus one. For example, | |
2116 | a value of 11 means that the largest free memory block is 2^10 pages. | |
2117 | ||
2118 | The page size is not necessarily 4KB. Keep this in mind | |
2119 | when choosing a value for this option. | |
2120 | ||
1da177e4 LT |
2121 | config BOARD_SCACHE |
2122 | bool | |
2123 | ||
2124 | config IP22_CPU_SCACHE | |
2125 | bool | |
2126 | select BOARD_SCACHE | |
2127 | ||
9318c51a CD |
2128 | # |
2129 | # Support for a MIPS32 / MIPS64 style S-caches | |
2130 | # | |
2131 | config MIPS_CPU_SCACHE | |
2132 | bool | |
2133 | select BOARD_SCACHE | |
2134 | ||
1da177e4 LT |
2135 | config R5000_CPU_SCACHE |
2136 | bool | |
2137 | select BOARD_SCACHE | |
2138 | ||
2139 | config RM7000_CPU_SCACHE | |
2140 | bool | |
2141 | select BOARD_SCACHE | |
2142 | ||
2143 | config SIBYTE_DMA_PAGEOPS | |
2144 | bool "Use DMA to clear/copy pages" | |
2145 | depends on CPU_SB1 | |
2146 | help | |
2147 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
2148 | channel. These DMA channels are otherwise unused by the standard | |
2149 | SiByte Linux port. Seems to give a small performance benefit. | |
2150 | ||
2151 | config CPU_HAS_PREFETCH | |
c8094b53 | 2152 | bool |
1da177e4 | 2153 | |
3165c846 FF |
2154 | config CPU_GENERIC_DUMP_TLB |
2155 | bool | |
2156 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
2157 | ||
91405eb6 FF |
2158 | config CPU_R4K_FPU |
2159 | bool | |
2160 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2161 | ||
62cedc4f FF |
2162 | config CPU_R4K_CACHE_TLB |
2163 | bool | |
2164 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2165 | ||
59d6ab86 | 2166 | config MIPS_MT_SMP |
a92b7f87 | 2167 | bool "MIPS MT SMP support (1 TC on each available VPE)" |
5676319c | 2168 | depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 |
f7062ddb | 2169 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 2170 | select CPU_MIPSR2_IRQ_EI |
c080faa5 | 2171 | select SYNC_R4K |
0c2cb004 | 2172 | select MIPS_GIC_IPI |
f41ae0b2 | 2173 | select MIPS_MT |
41c594ab | 2174 | select SMP |
87353d8a | 2175 | select SMP_UP |
c080faa5 SH |
2176 | select SYS_SUPPORTS_SMP |
2177 | select SYS_SUPPORTS_SCHED_SMT | |
399aaa25 | 2178 | select MIPS_PERF_SHARED_TC_COUNTERS |
f41ae0b2 | 2179 | help |
c080faa5 SH |
2180 | This is a kernel model which is known as SMVP. This is supported |
2181 | on cores with the MT ASE and uses the available VPEs to implement | |
2182 | virtual processors which supports SMP. This is equivalent to the | |
2183 | Intel Hyperthreading feature. For further information go to | |
2184 | <http://www.imgtec.com/mips/mips-multithreading.asp>. | |
41c594ab | 2185 | |
f41ae0b2 RB |
2186 | config MIPS_MT |
2187 | bool | |
2188 | ||
0ab7aefc RB |
2189 | config SCHED_SMT |
2190 | bool "SMT (multithreading) scheduler support" | |
2191 | depends on SYS_SUPPORTS_SCHED_SMT | |
2192 | default n | |
2193 | help | |
2194 | SMT scheduler support improves the CPU scheduler's decision making | |
2195 | when dealing with MIPS MT enabled cores at a cost of slightly | |
2196 | increased overhead in some places. If unsure say N here. | |
2197 | ||
2198 | config SYS_SUPPORTS_SCHED_SMT | |
2199 | bool | |
2200 | ||
f41ae0b2 RB |
2201 | config SYS_SUPPORTS_MULTITHREADING |
2202 | bool | |
2203 | ||
f088fc84 RB |
2204 | config MIPS_MT_FPAFF |
2205 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 2206 | default y |
b633648c | 2207 | depends on MIPS_MT_SMP |
07cc0c9e | 2208 | |
b0a668fb LY |
2209 | config MIPSR2_TO_R6_EMULATOR |
2210 | bool "MIPS R2-to-R6 emulator" | |
2211 | depends on CPU_MIPSR6 && !SMP | |
2212 | default y | |
2213 | help | |
2214 | Choose this option if you want to run non-R6 MIPS userland code. | |
2215 | Even if you say 'Y' here, the emulator will still be disabled by | |
07edf0d4 | 2216 | default. You can enable it using the 'mipsr2emu' kernel option. |
b0a668fb LY |
2217 | The only reason this is a build-time option is to save ~14K from the |
2218 | final kernel image. | |
2219 | comment "MIPS R2-to-R6 emulator is only available for UP kernels" | |
2220 | depends on SMP && CPU_MIPSR6 | |
2221 | ||
07cc0c9e RB |
2222 | config MIPS_VPE_LOADER |
2223 | bool "VPE loader support." | |
704e6460 | 2224 | depends on SYS_SUPPORTS_MULTITHREADING && MODULES |
07cc0c9e RB |
2225 | select CPU_MIPSR2_IRQ_VI |
2226 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
2227 | select MIPS_MT |
2228 | help | |
2229 | Includes a loader for loading an elf relocatable object | |
2230 | onto another VPE and running it. | |
f088fc84 | 2231 | |
17a1d523 DCZ |
2232 | config MIPS_VPE_LOADER_CMP |
2233 | bool | |
2234 | default "y" | |
2235 | depends on MIPS_VPE_LOADER && MIPS_CMP | |
2236 | ||
1a2a6d7e DCZ |
2237 | config MIPS_VPE_LOADER_MT |
2238 | bool | |
2239 | default "y" | |
2240 | depends on MIPS_VPE_LOADER && !MIPS_CMP | |
2241 | ||
e01402b1 RB |
2242 | config MIPS_VPE_LOADER_TOM |
2243 | bool "Load VPE program into memory hidden from linux" | |
2244 | depends on MIPS_VPE_LOADER | |
2245 | default y | |
2246 | help | |
2247 | The loader can use memory that is present but has been hidden from | |
2248 | Linux using the kernel command line option "mem=xxMB". It's up to | |
2249 | you to ensure the amount you put in the option and the space your | |
2250 | program requires is less or equal to the amount physically present. | |
2251 | ||
e01402b1 | 2252 | config MIPS_VPE_APSP_API |
5e83d430 RB |
2253 | bool "Enable support for AP/SP API (RTLX)" |
2254 | depends on MIPS_VPE_LOADER | |
2255 | help | |
e01402b1 | 2256 | |
da615cf6 DCZ |
2257 | config MIPS_VPE_APSP_API_CMP |
2258 | bool | |
2259 | default "y" | |
2260 | depends on MIPS_VPE_APSP_API && MIPS_CMP | |
2261 | ||
2c973ef0 DCZ |
2262 | config MIPS_VPE_APSP_API_MT |
2263 | bool | |
2264 | default "y" | |
2265 | depends on MIPS_VPE_APSP_API && !MIPS_CMP | |
2266 | ||
4a16ff4c | 2267 | config MIPS_CMP |
5cac93b3 | 2268 | bool "MIPS CMP framework support (DEPRECATED)" |
5676319c | 2269 | depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 |
72e20142 | 2270 | select MIPS_GIC_IPI |
b10b43ba | 2271 | select SMP |
eb9b5141 | 2272 | select SYNC_R4K |
b10b43ba | 2273 | select SYS_SUPPORTS_SMP |
4a16ff4c RB |
2274 | select WEAK_ORDERING |
2275 | default n | |
2276 | help | |
044505c7 PB |
2277 | Select this if you are using a bootloader which implements the "CMP |
2278 | framework" protocol (ie. YAMON) and want your kernel to make use of | |
2279 | its ability to start secondary CPUs. | |
4a16ff4c | 2280 | |
5cac93b3 PB |
2281 | Unless you have a specific need, you should use CONFIG_MIPS_CPS |
2282 | instead of this. | |
2283 | ||
0ee958e1 PB |
2284 | config MIPS_CPS |
2285 | bool "MIPS Coherent Processing System support" | |
5676319c | 2286 | depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 |
0ee958e1 PB |
2287 | select MIPS_CM |
2288 | select MIPS_CPC | |
1d8f1f5a | 2289 | select MIPS_CPS_PM if HOTPLUG_CPU |
0ee958e1 PB |
2290 | select MIPS_GIC_IPI |
2291 | select SMP | |
2292 | select SYNC_R4K if (CEVT_R4K || CSRC_R4K) | |
1d8f1f5a | 2293 | select SYS_SUPPORTS_HOTPLUG_CPU |
0ee958e1 PB |
2294 | select SYS_SUPPORTS_SMP |
2295 | select WEAK_ORDERING | |
2296 | help | |
2297 | Select this if you wish to run an SMP kernel across multiple cores | |
2298 | within a MIPS Coherent Processing System. When this option is | |
2299 | enabled the kernel will probe for other cores and boot them with | |
2300 | no external assistance. It is safe to enable this when hardware | |
2301 | support is unavailable. | |
2302 | ||
3179d37e | 2303 | config MIPS_CPS_PM |
39a59593 | 2304 | depends on MIPS_CPS |
a8b84677 | 2305 | select MIPS_CPC |
3179d37e PB |
2306 | bool |
2307 | ||
72e20142 PB |
2308 | config MIPS_GIC_IPI |
2309 | bool | |
2310 | ||
9f98f3dd PB |
2311 | config MIPS_CM |
2312 | bool | |
2313 | ||
9c38cf44 PB |
2314 | config MIPS_CPC |
2315 | bool | |
4a16ff4c | 2316 | |
1da177e4 LT |
2317 | config SB1_PASS_2_WORKAROUNDS |
2318 | bool | |
2319 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
2320 | default y | |
2321 | ||
2322 | config SB1_PASS_2_1_WORKAROUNDS | |
2323 | bool | |
2324 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
2325 | default y | |
2326 | ||
2235a54d | 2327 | |
60ec6571 | 2328 | config ARCH_PHYS_ADDR_T_64BIT |
34adb28d | 2329 | bool |
60ec6571 | 2330 | |
9e2b5372 MC |
2331 | choice |
2332 | prompt "SmartMIPS or microMIPS ASE support" | |
2333 | ||
2334 | config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS | |
2335 | bool "None" | |
2336 | help | |
2337 | Select this if you want neither microMIPS nor SmartMIPS support | |
2338 | ||
9693a853 FBH |
2339 | config CPU_HAS_SMARTMIPS |
2340 | depends on SYS_SUPPORTS_SMARTMIPS | |
9e2b5372 | 2341 | bool "SmartMIPS" |
9693a853 FBH |
2342 | help |
2343 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2344 | increased security at both hardware and software level for | |
2345 | smartcards. Enabling this option will allow proper use of the | |
2346 | SmartMIPS instructions by Linux applications. However a kernel with | |
2347 | this option will not work on a MIPS core without SmartMIPS core. If | |
2348 | you don't know you probably don't have SmartMIPS and should say N | |
2349 | here. | |
2350 | ||
bce86083 | 2351 | config CPU_MICROMIPS |
7fd08ca5 | 2352 | depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 |
9e2b5372 | 2353 | bool "microMIPS" |
bce86083 SH |
2354 | help |
2355 | When this option is enabled the kernel will be built using the | |
2356 | microMIPS ISA | |
2357 | ||
9e2b5372 MC |
2358 | endchoice |
2359 | ||
a5e9a69e | 2360 | config CPU_HAS_MSA |
0ce3417e | 2361 | bool "Support for the MIPS SIMD Architecture" |
a5e9a69e | 2362 | depends on CPU_SUPPORTS_MSA |
2a6cb669 | 2363 | depends on 64BIT || MIPS_O32_FP64_SUPPORT |
a5e9a69e PB |
2364 | help |
2365 | MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers | |
2366 | and a set of SIMD instructions to operate on them. When this option | |
1db1af84 PB |
2367 | is enabled the kernel will support allocating & switching MSA |
2368 | vector register contexts. If you know that your kernel will only be | |
2369 | running on CPUs which do not support MSA or that your userland will | |
2370 | not be making use of it then you may wish to say N here to reduce | |
2371 | the size & complexity of your kernel. | |
a5e9a69e PB |
2372 | |
2373 | If unsure, say Y. | |
2374 | ||
1da177e4 | 2375 | config CPU_HAS_WB |
f7062ddb | 2376 | bool |
e01402b1 | 2377 | |
df0ac8a4 KC |
2378 | config XKS01 |
2379 | bool | |
2380 | ||
f41ae0b2 RB |
2381 | # |
2382 | # Vectored interrupt mode is an R2 feature | |
2383 | # | |
e01402b1 | 2384 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 2385 | bool |
e01402b1 | 2386 | |
f41ae0b2 RB |
2387 | # |
2388 | # Extended interrupt mode is an R2 feature | |
2389 | # | |
e01402b1 | 2390 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 2391 | bool |
e01402b1 | 2392 | |
1da177e4 LT |
2393 | config CPU_HAS_SYNC |
2394 | bool | |
2395 | depends on !CPU_R3000 | |
2396 | default y | |
2397 | ||
20d60d99 MR |
2398 | # |
2399 | # CPU non-features | |
2400 | # | |
2401 | config CPU_DADDI_WORKAROUNDS | |
2402 | bool | |
2403 | ||
2404 | config CPU_R4000_WORKAROUNDS | |
2405 | bool | |
2406 | select CPU_R4400_WORKAROUNDS | |
2407 | ||
2408 | config CPU_R4400_WORKAROUNDS | |
2409 | bool | |
2410 | ||
1da177e4 LT |
2411 | # |
2412 | # - Highmem only makes sense for the 32-bit kernel. | |
2413 | # - The current highmem code will only work properly on physically indexed | |
2414 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2415 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2416 | # moment we protect the user and offer the highmem option only on machines | |
2417 | # where it's known to be safe. This will not offer highmem on a few systems | |
2418 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2419 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
2420 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
2421 | # know they might have memory configurations that could make use of highmem | |
2422 | # support. | |
1da177e4 LT |
2423 | # |
2424 | config HIGHMEM | |
2425 | bool "High Memory Support" | |
a6e18781 | 2426 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA |
797798c1 RB |
2427 | |
2428 | config CPU_SUPPORTS_HIGHMEM | |
2429 | bool | |
2430 | ||
2431 | config SYS_SUPPORTS_HIGHMEM | |
2432 | bool | |
1da177e4 | 2433 | |
9693a853 FBH |
2434 | config SYS_SUPPORTS_SMARTMIPS |
2435 | bool | |
2436 | ||
a6a4834c SH |
2437 | config SYS_SUPPORTS_MICROMIPS |
2438 | bool | |
2439 | ||
377cb1b6 RB |
2440 | config SYS_SUPPORTS_MIPS16 |
2441 | bool | |
2442 | help | |
2443 | This option must be set if a kernel might be executed on a MIPS16- | |
2444 | enabled CPU even if MIPS16 is not actually being used. In other | |
2445 | words, it makes the kernel MIPS16-tolerant. | |
2446 | ||
a5e9a69e PB |
2447 | config CPU_SUPPORTS_MSA |
2448 | bool | |
2449 | ||
b4819b59 YY |
2450 | config ARCH_FLATMEM_ENABLE |
2451 | def_bool y | |
f133f22d | 2452 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 2453 | |
d8cb4e11 RB |
2454 | config ARCH_DISCONTIGMEM_ENABLE |
2455 | bool | |
2456 | default y if SGI_IP27 | |
2457 | help | |
3dde6ad8 | 2458 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
2459 | for architectures which are either NUMA (Non-Uniform Memory Access) |
2460 | or have huge holes in the physical address space for other reasons. | |
2461 | See <file:Documentation/vm/numa> for more. | |
2462 | ||
31473747 AN |
2463 | config ARCH_SPARSEMEM_ENABLE |
2464 | bool | |
7de58fab | 2465 | select SPARSEMEM_STATIC |
31473747 | 2466 | |
d8cb4e11 RB |
2467 | config NUMA |
2468 | bool "NUMA Support" | |
2469 | depends on SYS_SUPPORTS_NUMA | |
2470 | help | |
2471 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2472 | Access). This option improves performance on systems with more | |
2473 | than two nodes; on two node systems it is generally better to | |
2474 | leave it disabled; on single node systems disable this option | |
2475 | disabled. | |
2476 | ||
2477 | config SYS_SUPPORTS_NUMA | |
2478 | bool | |
2479 | ||
c80d79d7 YG |
2480 | config NODES_SHIFT |
2481 | int | |
2482 | default "6" | |
2483 | depends on NEED_MULTIPLE_NODES | |
2484 | ||
14f70012 DCZ |
2485 | config HW_PERF_EVENTS |
2486 | bool "Enable hardware performance counter support for perf events" | |
f14ceff7 | 2487 | depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) |
14f70012 DCZ |
2488 | default y |
2489 | help | |
2490 | Enable hardware performance counter support for perf events. If | |
2491 | disabled, perf events will use software events only. | |
2492 | ||
b4819b59 YY |
2493 | source "mm/Kconfig" |
2494 | ||
1da177e4 LT |
2495 | config SMP |
2496 | bool "Multi-Processing support" | |
e73ea273 RB |
2497 | depends on SYS_SUPPORTS_SMP |
2498 | help | |
1da177e4 | 2499 | This enables support for systems with more than one CPU. If you have |
4a474157 RG |
2500 | a system with only one CPU, say N. If you have a system with more |
2501 | than one CPU, say Y. | |
1da177e4 | 2502 | |
4a474157 | 2503 | If you say N here, the kernel will run on uni- and multiprocessor |
1da177e4 LT |
2504 | machines, but will use only one CPU of a multiprocessor machine. If |
2505 | you say Y here, the kernel will run on many, but not all, | |
4a474157 | 2506 | uniprocessor machines. On a uniprocessor machine, the kernel |
1da177e4 LT |
2507 | will run faster if you say N here. |
2508 | ||
2509 | People using multiprocessor machines who say Y here should also say | |
2510 | Y to "Enhanced Real Time Clock Support", below. | |
2511 | ||
03502faa AB |
2512 | See also the SMP-HOWTO available at |
2513 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2514 | |
2515 | If you don't know what to do here, say N. | |
2516 | ||
87353d8a RB |
2517 | config SMP_UP |
2518 | bool | |
2519 | ||
4a16ff4c RB |
2520 | config SYS_SUPPORTS_MIPS_CMP |
2521 | bool | |
2522 | ||
0ee958e1 PB |
2523 | config SYS_SUPPORTS_MIPS_CPS |
2524 | bool | |
2525 | ||
e73ea273 RB |
2526 | config SYS_SUPPORTS_SMP |
2527 | bool | |
2528 | ||
130e2fb7 RB |
2529 | config NR_CPUS_DEFAULT_4 |
2530 | bool | |
2531 | ||
2532 | config NR_CPUS_DEFAULT_8 | |
2533 | bool | |
2534 | ||
2535 | config NR_CPUS_DEFAULT_16 | |
2536 | bool | |
2537 | ||
2538 | config NR_CPUS_DEFAULT_32 | |
2539 | bool | |
2540 | ||
2541 | config NR_CPUS_DEFAULT_64 | |
2542 | bool | |
2543 | ||
1da177e4 | 2544 | config NR_CPUS |
a91796a9 J |
2545 | int "Maximum number of CPUs (2-256)" |
2546 | range 2 256 | |
1da177e4 | 2547 | depends on SMP |
130e2fb7 RB |
2548 | default "4" if NR_CPUS_DEFAULT_4 |
2549 | default "8" if NR_CPUS_DEFAULT_8 | |
2550 | default "16" if NR_CPUS_DEFAULT_16 | |
2551 | default "32" if NR_CPUS_DEFAULT_32 | |
2552 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2553 | help |
2554 | This allows you to specify the maximum number of CPUs which this | |
2555 | kernel will support. The maximum supported value is 32 for 32-bit | |
2556 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2557 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2558 | and 2 for all others. | |
1da177e4 LT |
2559 | |
2560 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2561 | approximately eight kilobytes to the kernel image. For best |
2562 | performance should round up your number of processors to the next | |
2563 | power of two. | |
1da177e4 | 2564 | |
399aaa25 AC |
2565 | config MIPS_PERF_SHARED_TC_COUNTERS |
2566 | bool | |
2567 | ||
1723b4a3 AN |
2568 | # |
2569 | # Timer Interrupt Frequency Configuration | |
2570 | # | |
2571 | ||
2572 | choice | |
2573 | prompt "Timer frequency" | |
2574 | default HZ_250 | |
2575 | help | |
2576 | Allows the configuration of the timer frequency. | |
2577 | ||
67596573 PB |
2578 | config HZ_24 |
2579 | bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ | |
2580 | ||
1723b4a3 | 2581 | config HZ_48 |
0f873585 | 2582 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2583 | |
2584 | config HZ_100 | |
2585 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2586 | ||
2587 | config HZ_128 | |
2588 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2589 | ||
2590 | config HZ_250 | |
2591 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2592 | ||
2593 | config HZ_256 | |
2594 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2595 | ||
2596 | config HZ_1000 | |
2597 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2598 | ||
2599 | config HZ_1024 | |
2600 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2601 | ||
2602 | endchoice | |
2603 | ||
67596573 PB |
2604 | config SYS_SUPPORTS_24HZ |
2605 | bool | |
2606 | ||
1723b4a3 AN |
2607 | config SYS_SUPPORTS_48HZ |
2608 | bool | |
2609 | ||
2610 | config SYS_SUPPORTS_100HZ | |
2611 | bool | |
2612 | ||
2613 | config SYS_SUPPORTS_128HZ | |
2614 | bool | |
2615 | ||
2616 | config SYS_SUPPORTS_250HZ | |
2617 | bool | |
2618 | ||
2619 | config SYS_SUPPORTS_256HZ | |
2620 | bool | |
2621 | ||
2622 | config SYS_SUPPORTS_1000HZ | |
2623 | bool | |
2624 | ||
2625 | config SYS_SUPPORTS_1024HZ | |
2626 | bool | |
2627 | ||
2628 | config SYS_SUPPORTS_ARBIT_HZ | |
2629 | bool | |
67596573 PB |
2630 | default y if !SYS_SUPPORTS_24HZ && \ |
2631 | !SYS_SUPPORTS_48HZ && \ | |
2632 | !SYS_SUPPORTS_100HZ && \ | |
2633 | !SYS_SUPPORTS_128HZ && \ | |
2634 | !SYS_SUPPORTS_250HZ && \ | |
2635 | !SYS_SUPPORTS_256HZ && \ | |
2636 | !SYS_SUPPORTS_1000HZ && \ | |
1723b4a3 AN |
2637 | !SYS_SUPPORTS_1024HZ |
2638 | ||
2639 | config HZ | |
2640 | int | |
67596573 | 2641 | default 24 if HZ_24 |
1723b4a3 AN |
2642 | default 48 if HZ_48 |
2643 | default 100 if HZ_100 | |
2644 | default 128 if HZ_128 | |
2645 | default 250 if HZ_250 | |
2646 | default 256 if HZ_256 | |
2647 | default 1000 if HZ_1000 | |
2648 | default 1024 if HZ_1024 | |
2649 | ||
96685b17 DCZ |
2650 | config SCHED_HRTICK |
2651 | def_bool HIGH_RES_TIMERS | |
2652 | ||
e80de850 | 2653 | source "kernel/Kconfig.preempt" |
1da177e4 | 2654 | |
ea6e942b | 2655 | config KEXEC |
7d60717e | 2656 | bool "Kexec system call" |
2965faa5 | 2657 | select KEXEC_CORE |
ea6e942b AN |
2658 | help |
2659 | kexec is a system call that implements the ability to shutdown your | |
2660 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2661 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2662 | you can start any kernel with it, not just Linux. |
2663 | ||
01dd2fbf | 2664 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2665 | |
2666 | It is an ongoing process to be certain the hardware in a machine | |
2667 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
2668 | initially work for you. As of this writing the exact hardware |
2669 | interface is strongly in flux, so no good recommendation can be | |
2670 | made. | |
ea6e942b | 2671 | |
7aa1c8f4 RB |
2672 | config CRASH_DUMP |
2673 | bool "Kernel crash dumps" | |
2674 | help | |
2675 | Generate crash dump after being started by kexec. | |
2676 | This should be normally only set in special crash dump kernels | |
2677 | which are loaded in the main kernel with kexec-tools into | |
2678 | a specially reserved region and then later executed after | |
2679 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2680 | to a memory address not used by the main kernel or firmware using | |
2681 | PHYSICAL_START. | |
2682 | ||
2683 | config PHYSICAL_START | |
2684 | hex "Physical address where the kernel is loaded" | |
2685 | default "0xffffffff84000000" if 64BIT | |
2686 | default "0x84000000" if 32BIT | |
2687 | depends on CRASH_DUMP | |
2688 | help | |
2689 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2690 | If you plan to use kernel for capturing the crash dump change | |
2691 | this value to start of the reserved region (the "X" value as | |
2692 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2693 | passed to the panic-ed kernel). | |
2694 | ||
ea6e942b AN |
2695 | config SECCOMP |
2696 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2697 | depends on PROC_FS |
ea6e942b AN |
2698 | default y |
2699 | help | |
2700 | This kernel feature is useful for number crunching applications | |
2701 | that may need to compute untrusted bytecode during their | |
2702 | execution. By using pipes or other transports made available to | |
2703 | the process as file descriptors supporting the read/write | |
2704 | syscalls, it's possible to isolate those applications in | |
2705 | their own address space using seccomp. Once seccomp is | |
2706 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2707 | and the task is only allowed to execute a few safe syscalls | |
2708 | defined by each seccomp mode. | |
2709 | ||
2710 | If unsure, say Y. Only embedded should say N here. | |
2711 | ||
597ce172 | 2712 | config MIPS_O32_FP64_SUPPORT |
0ce3417e | 2713 | bool "Support for O32 binaries using 64-bit FP" |
597ce172 | 2714 | depends on 32BIT || MIPS32_O32 |
597ce172 PB |
2715 | help |
2716 | When this is enabled, the kernel will support use of 64-bit floating | |
2717 | point registers with binaries using the O32 ABI along with the | |
2718 | EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On | |
2719 | 32-bit MIPS systems this support is at the cost of increasing the | |
2720 | size and complexity of the compiled FPU emulator. Thus if you are | |
2721 | running a MIPS32 system and know that none of your userland binaries | |
2722 | will require 64-bit floating point, you may wish to reduce the size | |
2723 | of your kernel & potentially improve FP emulation performance by | |
2724 | saying N here. | |
2725 | ||
06e2e882 PB |
2726 | Although binutils currently supports use of this flag the details |
2727 | concerning its effect upon the O32 ABI in userland are still being | |
2728 | worked on. In order to avoid userland becoming dependant upon current | |
2729 | behaviour before the details have been finalised, this option should | |
2730 | be considered experimental and only enabled by those working upon | |
2731 | said details. | |
2732 | ||
2733 | If unsure, say N. | |
597ce172 | 2734 | |
f2ffa5ab | 2735 | config USE_OF |
0b3e06fd | 2736 | bool |
f2ffa5ab | 2737 | select OF |
e6ce1324 | 2738 | select OF_EARLY_FLATTREE |
abd2363f | 2739 | select IRQ_DOMAIN |
f2ffa5ab | 2740 | |
7fafb068 AB |
2741 | config BUILTIN_DTB |
2742 | bool | |
2743 | ||
1da8f179 | 2744 | choice |
5b24d52c | 2745 | prompt "Kernel appended dtb support" if USE_OF |
1da8f179 JG |
2746 | default MIPS_NO_APPENDED_DTB |
2747 | ||
2748 | config MIPS_NO_APPENDED_DTB | |
2749 | bool "None" | |
2750 | help | |
2751 | Do not enable appended dtb support. | |
2752 | ||
87db537d AK |
2753 | config MIPS_ELF_APPENDED_DTB |
2754 | bool "vmlinux" | |
2755 | help | |
2756 | With this option, the boot code will look for a device tree binary | |
2757 | DTB) included in the vmlinux ELF section .appended_dtb. By default | |
2758 | it is empty and the DTB can be appended using binutils command | |
2759 | objcopy: | |
2760 | ||
2761 | objcopy --update-section .appended_dtb=<filename>.dtb vmlinux | |
2762 | ||
2763 | This is meant as a backward compatiblity convenience for those | |
2764 | systems with a bootloader that can't be upgraded to accommodate | |
2765 | the documented boot protocol using a device tree. | |
2766 | ||
1da8f179 JG |
2767 | config MIPS_RAW_APPENDED_DTB |
2768 | bool "vmlinux.bin" | |
2769 | help | |
2770 | With this option, the boot code will look for a device tree binary | |
2771 | DTB) appended to raw vmlinux.bin (without decompressor). | |
2772 | (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). | |
2773 | ||
2774 | This is meant as a backward compatibility convenience for those | |
2775 | systems with a bootloader that can't be upgraded to accommodate | |
2776 | the documented boot protocol using a device tree. | |
2777 | ||
2778 | Beware that there is very little in terms of protection against | |
2779 | this option being confused by leftover garbage in memory that might | |
2780 | look like a DTB header after a reboot if no actual DTB is appended | |
2781 | to vmlinux.bin. Do not leave this option active in a production kernel | |
2782 | if you don't intend to always append a DTB. | |
c0b4e101 JG |
2783 | |
2784 | config MIPS_ZBOOT_APPENDED_DTB | |
2785 | bool "vmlinuz.bin" | |
2786 | depends on SYS_SUPPORTS_ZBOOT | |
2787 | help | |
2788 | With this option, the boot code will look for a device tree binary | |
2789 | DTB) appended to raw vmlinuz.bin (with decompressor). | |
2790 | (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). | |
2791 | ||
2792 | This is meant as a backward compatibility convenience for those | |
2793 | systems with a bootloader that can't be upgraded to accommodate | |
2794 | the documented boot protocol using a device tree. | |
2795 | ||
2796 | Beware that there is very little in terms of protection against | |
2797 | this option being confused by leftover garbage in memory that might | |
2798 | look like a DTB header after a reboot if no actual DTB is appended | |
2799 | to vmlinuz.bin. Do not leave this option active in a production kernel | |
2800 | if you don't intend to always append a DTB. | |
1da8f179 JG |
2801 | endchoice |
2802 | ||
2024972e JG |
2803 | choice |
2804 | prompt "Kernel command line type" if !CMDLINE_OVERRIDE | |
2bcef9b4 JG |
2805 | default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ |
2806 | !MIPS_MALTA && !MIPS_SEAD3 && \ | |
2807 | !CAVIUM_OCTEON_SOC | |
2024972e JG |
2808 | default MIPS_CMDLINE_FROM_BOOTLOADER |
2809 | ||
2810 | config MIPS_CMDLINE_FROM_DTB | |
2811 | depends on USE_OF | |
2812 | bool "Dtb kernel arguments if available" | |
2813 | ||
2814 | config MIPS_CMDLINE_DTB_EXTEND | |
2815 | depends on USE_OF | |
2816 | bool "Extend dtb kernel arguments with bootloader arguments" | |
2817 | ||
2818 | config MIPS_CMDLINE_FROM_BOOTLOADER | |
2819 | bool "Bootloader kernel arguments if available" | |
2820 | endchoice | |
2821 | ||
5e83d430 RB |
2822 | endmenu |
2823 | ||
1df0f0ff AN |
2824 | config LOCKDEP_SUPPORT |
2825 | bool | |
2826 | default y | |
2827 | ||
2828 | config STACKTRACE_SUPPORT | |
2829 | bool | |
2830 | default y | |
2831 | ||
e1e16115 AK |
2832 | config HAVE_LATENCYTOP_SUPPORT |
2833 | bool | |
2834 | default y | |
2835 | ||
a728ab52 KS |
2836 | config PGTABLE_LEVELS |
2837 | int | |
2838 | default 3 if 64BIT && !PAGE_SIZE_64KB | |
2839 | default 2 | |
2840 | ||
b6c3539b RB |
2841 | source "init/Kconfig" |
2842 | ||
dc52ddc0 MH |
2843 | source "kernel/Kconfig.freezer" |
2844 | ||
1da177e4 LT |
2845 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2846 | ||
5e83d430 RB |
2847 | config HW_HAS_EISA |
2848 | bool | |
1da177e4 LT |
2849 | config HW_HAS_PCI |
2850 | bool | |
2851 | ||
2852 | config PCI | |
2853 | bool "Support for PCI controller" | |
2854 | depends on HW_HAS_PCI | |
abb4ae46 | 2855 | select PCI_DOMAINS |
0f3b3956 | 2856 | select NO_GENERIC_PCI_IOPORT_MAP |
1da177e4 LT |
2857 | help |
2858 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2859 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2860 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2861 | say Y, otherwise N. | |
2862 | ||
0e476d91 HC |
2863 | config HT_PCI |
2864 | bool "Support for HT-linked PCI" | |
2865 | default y | |
2866 | depends on CPU_LOONGSON3 | |
2867 | select PCI | |
2868 | select PCI_DOMAINS | |
2869 | help | |
2870 | Loongson family machines use Hyper-Transport bus for inter-core | |
2871 | connection and device connection. The PCI bus is a subordinate | |
2872 | linked at HT. Choose Y for Loongson-3 based machines. | |
2873 | ||
1da177e4 LT |
2874 | config PCI_DOMAINS |
2875 | bool | |
1da177e4 LT |
2876 | |
2877 | source "drivers/pci/Kconfig" | |
2878 | ||
3f787ca4 JG |
2879 | source "drivers/pci/pcie/Kconfig" |
2880 | ||
1da177e4 LT |
2881 | # |
2882 | # ISA support is now enabled via select. Too many systems still have the one | |
2883 | # or other ISA chip on the board that users don't know about so don't expect | |
2884 | # users to choose the right thing ... | |
2885 | # | |
2886 | config ISA | |
2887 | bool | |
2888 | ||
2889 | config EISA | |
2890 | bool "EISA support" | |
5e83d430 | 2891 | depends on HW_HAS_EISA |
1da177e4 | 2892 | select ISA |
aa414dff | 2893 | select GENERIC_ISA_DMA |
1da177e4 LT |
2894 | ---help--- |
2895 | The Extended Industry Standard Architecture (EISA) bus was | |
2896 | developed as an open alternative to the IBM MicroChannel bus. | |
2897 | ||
2898 | The EISA bus provided some of the features of the IBM MicroChannel | |
2899 | bus while maintaining backward compatibility with cards made for | |
2900 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2901 | 1995 when it was made obsolete by the PCI bus. | |
2902 | ||
2903 | Say Y here if you are building a kernel for an EISA-based machine. | |
2904 | ||
2905 | Otherwise, say N. | |
2906 | ||
2907 | source "drivers/eisa/Kconfig" | |
2908 | ||
2909 | config TC | |
2910 | bool "TURBOchannel support" | |
2911 | depends on MACH_DECSTATION | |
2912 | help | |
50a23e6e JM |
2913 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2914 | processors. TURBOchannel programming specifications are available | |
2915 | at: | |
2916 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2917 | and: | |
2918 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2919 | Linux driver support status is documented at: | |
2920 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 | 2921 | |
1da177e4 LT |
2922 | config MMU |
2923 | bool | |
2924 | default y | |
2925 | ||
d865bea4 RB |
2926 | config I8253 |
2927 | bool | |
798778b8 | 2928 | select CLKSRC_I8253 |
2d02612f | 2929 | select CLKEVT_I8253 |
9726b43a | 2930 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2931 | |
e05eb3f8 RB |
2932 | config ZONE_DMA |
2933 | bool | |
2934 | ||
cce335ae RB |
2935 | config ZONE_DMA32 |
2936 | bool | |
2937 | ||
1da177e4 LT |
2938 | source "drivers/pcmcia/Kconfig" |
2939 | ||
2940 | source "drivers/pci/hotplug/Kconfig" | |
2941 | ||
388b78ad | 2942 | config RAPIDIO |
56abde72 | 2943 | tristate "RapidIO support" |
388b78ad AB |
2944 | depends on PCI |
2945 | default n | |
2946 | help | |
2947 | If you say Y here, the kernel will include drivers and | |
2948 | infrastructure code to support RapidIO interconnect devices. | |
2949 | ||
2950 | source "drivers/rapidio/Kconfig" | |
2951 | ||
1da177e4 LT |
2952 | endmenu |
2953 | ||
2954 | menu "Executable file formats" | |
2955 | ||
2956 | source "fs/Kconfig.binfmt" | |
2957 | ||
2958 | config TRAD_SIGNALS | |
2959 | bool | |
1da177e4 | 2960 | |
1da177e4 | 2961 | config MIPS32_COMPAT |
78aaf956 | 2962 | bool |
1da177e4 LT |
2963 | |
2964 | config COMPAT | |
2965 | bool | |
1da177e4 | 2966 | |
05e43966 AN |
2967 | config SYSVIPC_COMPAT |
2968 | bool | |
05e43966 | 2969 | |
1da177e4 LT |
2970 | config MIPS32_O32 |
2971 | bool "Kernel support for o32 binaries" | |
78aaf956 RB |
2972 | depends on 64BIT |
2973 | select ARCH_WANT_OLD_COMPAT_IPC | |
2974 | select COMPAT | |
2975 | select MIPS32_COMPAT | |
2976 | select SYSVIPC_COMPAT if SYSVIPC | |
1da177e4 LT |
2977 | help |
2978 | Select this option if you want to run o32 binaries. These are pure | |
2979 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2980 | existing binaries are in this format. | |
2981 | ||
2982 | If unsure, say Y. | |
2983 | ||
2984 | config MIPS32_N32 | |
2985 | bool "Kernel support for n32 binaries" | |
c22eacfe | 2986 | depends on 64BIT |
78aaf956 RB |
2987 | select COMPAT |
2988 | select MIPS32_COMPAT | |
2989 | select SYSVIPC_COMPAT if SYSVIPC | |
1da177e4 LT |
2990 | help |
2991 | Select this option if you want to run n32 binaries. These are | |
2992 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2993 | data that would normally be 64-bit. They are used in special | |
2994 | cases. | |
2995 | ||
2996 | If unsure, say N. | |
2997 | ||
2998 | config BINFMT_ELF32 | |
2999 | bool | |
3000 | default y if MIPS32_O32 || MIPS32_N32 | |
3001 | ||
2116245e RB |
3002 | endmenu |
3003 | ||
3004 | menu "Power management options" | |
3005 | ||
363c55ca WZ |
3006 | config ARCH_HIBERNATION_POSSIBLE |
3007 | def_bool y | |
3f5b3e17 | 3008 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 3009 | |
f4cb5700 JB |
3010 | config ARCH_SUSPEND_POSSIBLE |
3011 | def_bool y | |
3f5b3e17 | 3012 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 3013 | |
2116245e | 3014 | source "kernel/power/Kconfig" |
952fa954 | 3015 | |
1da177e4 LT |
3016 | endmenu |
3017 | ||
7a998935 VK |
3018 | config MIPS_EXTERNAL_TIMER |
3019 | bool | |
3020 | ||
7a998935 | 3021 | menu "CPU Power Management" |
c095ebaf PB |
3022 | |
3023 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
7a998935 | 3024 | source "drivers/cpufreq/Kconfig" |
7a998935 | 3025 | endif |
9726b43a | 3026 | |
c095ebaf PB |
3027 | source "drivers/cpuidle/Kconfig" |
3028 | ||
3029 | endmenu | |
3030 | ||
d5950b43 SR |
3031 | source "net/Kconfig" |
3032 | ||
1da177e4 LT |
3033 | source "drivers/Kconfig" |
3034 | ||
98cdee0e RB |
3035 | source "drivers/firmware/Kconfig" |
3036 | ||
1da177e4 LT |
3037 | source "fs/Kconfig" |
3038 | ||
3039 | source "arch/mips/Kconfig.debug" | |
3040 | ||
3041 | source "security/Kconfig" | |
3042 | ||
3043 | source "crypto/Kconfig" | |
3044 | ||
3045 | source "lib/Kconfig" | |
2235a54d SL |
3046 | |
3047 | source "arch/mips/kvm/Kconfig" |