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