Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
40e084a5 | 4 | select ARCH_SUPPORTS_UPROBES |
a862a426 | 5 | select ARCH_MIGHT_HAVE_PC_PARPORT |
393c1262 | 6 | select ARCH_MIGHT_HAVE_PC_SERIO |
5fac4f7a | 7 | select ARCH_USE_CMPXCHG_LOCKREF if 64BIT |
1ee3630a | 8 | select ARCH_USE_BUILTIN_BSWAP |
c3fc5cd5 | 9 | select HAVE_CONTEXT_TRACKING |
f8ac0425 | 10 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 11 | select HAVE_IDE |
42d4b839 | 12 | select HAVE_OPROFILE |
7f788d2d DCZ |
13 | select HAVE_PERF_EVENTS |
14 | select PERF_USE_VMALLOC | |
88547001 | 15 | select HAVE_ARCH_KGDB |
490b004f | 16 | select HAVE_ARCH_SECCOMP_FILTER |
c0ff3c53 | 17 | select HAVE_ARCH_TRACEHOOK |
3f5fdb4b | 18 | select HAVE_BPF_JIT if !CPU_MICROMIPS |
d2bb0762 | 19 | select HAVE_FUNCTION_TRACER |
538f1952 WZ |
20 | select HAVE_DYNAMIC_FTRACE |
21 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 22 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 23 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
24 | select HAVE_KPROBES |
25 | select HAVE_KRETPROBES | |
fb59e394 | 26 | select HAVE_SYSCALL_TRACEPOINTS |
b69ec42b | 27 | select HAVE_DEBUG_KMEMLEAK |
1d7bf993 | 28 | select HAVE_SYSCALL_TRACEPOINTS |
2b68f6ca | 29 | select ARCH_HAS_ELF_RANDOMIZE |
383c97b4 | 30 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT |
30ad29bb | 31 | select RTC_LIB if !MACH_LOONGSON64 |
2b78920d | 32 | select GENERIC_ATOMIC64 if !64BIT |
7463449b | 33 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
f4649382 | 34 | select HAVE_DMA_CONTIGUOUS |
48e1fd5a | 35 | select HAVE_DMA_API_DEBUG |
3bd27e32 | 36 | select GENERIC_IRQ_PROBE |
f8396c17 | 37 | select GENERIC_IRQ_SHOW |
78857614 | 38 | select GENERIC_PCI_IOMAP |
94bb0c1a | 39 | select HAVE_ARCH_JUMP_LABEL |
c1d7e01d | 40 | select ARCH_WANT_IPC_PARSE_VERSION |
0f462e3c | 41 | select IRQ_FORCED_THREADING |
9d15ffc8 TH |
42 | select HAVE_MEMBLOCK |
43 | select HAVE_MEMBLOCK_NODE_MAP | |
44 | select ARCH_DISCARD_MEMBLOCK | |
360014a3 | 45 | select GENERIC_SMP_IDLE_THREAD |
4b054495 | 46 | select BUILDTIME_EXTABLE_SORT |
cde1794b | 47 | select GENERIC_CLOCKEVENTS |
929de4cc | 48 | select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC |
cde1794b | 49 | select GENERIC_CMOS_UPDATE |
786d35d4 | 50 | select HAVE_MOD_ARCH_SPECIFIC |
4febd95a | 51 | select VIRT_TO_BUS |
2f12fb20 JK |
52 | select MODULES_USE_ELF_REL if MODULES |
53 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
50150d2b | 54 | select CLONE_BACKWARDS |
d1a1dc0b | 55 | select HAVE_DEBUG_STACKOVERFLOW |
19952a92 | 56 | select HAVE_CC_STACKPROTECTOR |
b1d4c6ca | 57 | select CPU_PM if CPU_IDLE |
cc7964af | 58 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
90cee759 | 59 | select ARCH_BINFMT_ELF_STATE |
d79d853d | 60 | select SYSCTL_EXCEPTION_TRACE |
bb877e96 | 61 | select HAVE_VIRT_CPU_ACCOUNTING_GEN |
ec9ddad3 | 62 | select HAVE_IRQ_TIME_ACCOUNTING |
a7f4df4e AS |
63 | select GENERIC_TIME_VSYSCALL |
64 | select ARCH_CLOCKSOURCE_DATA | |
1d2753a6 | 65 | select HANDLE_DOMAIN_IRQ |
1da177e4 | 66 | |
1da177e4 LT |
67 | menu "Machine selection" |
68 | ||
5e83d430 RB |
69 | choice |
70 | prompt "System type" | |
71 | default SGI_IP22 | |
1da177e4 | 72 | |
42a4f17d | 73 | config MIPS_ALCHEMY |
c3543e25 | 74 | bool "Alchemy processor based machines" |
34adb28d | 75 | select ARCH_PHYS_ADDR_T_64BIT |
f772cdb2 | 76 | select CEVT_R4K |
d7ea335c | 77 | select CSRC_R4K |
67e38cf2 | 78 | select IRQ_MIPS_CPU |
88e9a93c | 79 | select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is |
42a4f17d ML |
80 | select SYS_HAS_CPU_MIPS32_R1 |
81 | select SYS_SUPPORTS_32BIT_KERNEL | |
82 | select SYS_SUPPORTS_APM_EMULATION | |
efb12436 | 83 | select ARCH_REQUIRE_GPIOLIB |
1b93b3c3 | 84 | select SYS_SUPPORTS_ZBOOT |
47440229 | 85 | select COMMON_CLK |
1da177e4 | 86 | |
7ca5dc14 FF |
87 | config AR7 |
88 | bool "Texas Instruments AR7" | |
89 | select BOOT_ELF32 | |
90 | select DMA_NONCOHERENT | |
91 | select CEVT_R4K | |
92 | select CSRC_R4K | |
67e38cf2 | 93 | select IRQ_MIPS_CPU |
7ca5dc14 FF |
94 | select NO_EXCEPT_FILL |
95 | select SWAP_IO_SPACE | |
96 | select SYS_HAS_CPU_MIPS32_R1 | |
97 | select SYS_HAS_EARLY_PRINTK | |
98 | select SYS_SUPPORTS_32BIT_KERNEL | |
99 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 100 | select SYS_SUPPORTS_MIPS16 |
1b93b3c3 | 101 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 102 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 | 103 | select VLYNQ |
8551fb64 | 104 | select HAVE_CLK |
7ca5dc14 FF |
105 | help |
106 | Support for the Texas Instruments AR7 System-on-a-Chip | |
107 | family: TNETD7100, 7200 and 7300. | |
108 | ||
43cc739f SR |
109 | config ATH25 |
110 | bool "Atheros AR231x/AR531x SoC support" | |
111 | select CEVT_R4K | |
112 | select CSRC_R4K | |
113 | select DMA_NONCOHERENT | |
67e38cf2 | 114 | select IRQ_MIPS_CPU |
1753e74e | 115 | select IRQ_DOMAIN |
43cc739f SR |
116 | select SYS_HAS_CPU_MIPS32_R1 |
117 | select SYS_SUPPORTS_BIG_ENDIAN | |
118 | select SYS_SUPPORTS_32BIT_KERNEL | |
8aaa7278 | 119 | select SYS_HAS_EARLY_PRINTK |
43cc739f SR |
120 | help |
121 | Support for Atheros AR231x and Atheros AR531x based boards | |
122 | ||
d4a67d9d GJ |
123 | config ATH79 |
124 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
ff591a91 | 125 | select ARCH_HAS_RESET_CONTROLLER |
6eae43c5 | 126 | select ARCH_REQUIRE_GPIOLIB |
d4a67d9d GJ |
127 | select BOOT_RAW |
128 | select CEVT_R4K | |
129 | select CSRC_R4K | |
130 | select DMA_NONCOHERENT | |
94638067 | 131 | select HAVE_CLK |
411520af | 132 | select COMMON_CLK |
2c4f1ac5 | 133 | select CLKDEV_LOOKUP |
67e38cf2 | 134 | select IRQ_MIPS_CPU |
0aabf1a4 | 135 | select MIPS_MACHINE |
d4a67d9d GJ |
136 | select SYS_HAS_CPU_MIPS32_R2 |
137 | select SYS_HAS_EARLY_PRINTK | |
138 | select SYS_SUPPORTS_32BIT_KERNEL | |
139 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 140 | select SYS_SUPPORTS_MIPS16 |
b3f0a250 | 141 | select SYS_SUPPORTS_ZBOOT_UART_PROM |
03c8c407 | 142 | select USE_OF |
d4a67d9d GJ |
143 | help |
144 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
145 | ||
5f2d4459 KC |
146 | config BMIPS_GENERIC |
147 | bool "Broadcom Generic BMIPS kernel" | |
d666cd02 KC |
148 | select BOOT_RAW |
149 | select NO_EXCEPT_FILL | |
150 | select USE_OF | |
151 | select CEVT_R4K | |
152 | select CSRC_R4K | |
153 | select SYNC_R4K | |
154 | select COMMON_CLK | |
c7c42ec2 | 155 | select BCM6345_L1_IRQ |
60b858f2 KC |
156 | select BCM7038_L1_IRQ |
157 | select BCM7120_L2_IRQ | |
158 | select BRCMSTB_L2_IRQ | |
67e38cf2 | 159 | select IRQ_MIPS_CPU |
60b858f2 | 160 | select DMA_NONCOHERENT |
d666cd02 | 161 | select SYS_SUPPORTS_32BIT_KERNEL |
60b858f2 | 162 | select SYS_SUPPORTS_LITTLE_ENDIAN |
d666cd02 KC |
163 | select SYS_SUPPORTS_BIG_ENDIAN |
164 | select SYS_SUPPORTS_HIGHMEM | |
60b858f2 KC |
165 | select SYS_HAS_CPU_BMIPS32_3300 |
166 | select SYS_HAS_CPU_BMIPS4350 | |
167 | select SYS_HAS_CPU_BMIPS4380 | |
d666cd02 KC |
168 | select SYS_HAS_CPU_BMIPS5000 |
169 | select SWAP_IO_SPACE | |
60b858f2 KC |
170 | select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN |
171 | select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
172 | select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN | |
173 | select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
a7b43812 | 174 | select ARCH_WANT_OPTIONAL_GPIOLIB |
d666cd02 | 175 | help |
5f2d4459 KC |
176 | Build a generic DT-based kernel image that boots on select |
177 | BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top | |
178 | box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN | |
179 | must be set appropriately for your board. | |
d666cd02 | 180 | |
1c0c13eb | 181 | config BCM47XX |
c619366e | 182 | bool "Broadcom BCM47XX based boards" |
2da4c74d | 183 | select ARCH_WANT_OPTIONAL_GPIOLIB |
fe08f8c2 | 184 | select BOOT_RAW |
42f77542 | 185 | select CEVT_R4K |
940f6b48 | 186 | select CSRC_R4K |
1c0c13eb AJ |
187 | select DMA_NONCOHERENT |
188 | select HW_HAS_PCI | |
67e38cf2 | 189 | select IRQ_MIPS_CPU |
314878d2 | 190 | select SYS_HAS_CPU_MIPS32_R1 |
dd54dedd | 191 | select NO_EXCEPT_FILL |
1c0c13eb AJ |
192 | select SYS_SUPPORTS_32BIT_KERNEL |
193 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 194 | select SYS_SUPPORTS_MIPS16 |
25e5fb97 | 195 | select SYS_HAS_EARLY_PRINTK |
e6086557 | 196 | select USE_GENERIC_EARLY_PRINTK_8250 |
c949c0bc RM |
197 | select GPIOLIB |
198 | select LEDS_GPIO_REGISTER | |
f6e734a8 | 199 | select BCM47XX_NVRAM |
2ab71a02 | 200 | select BCM47XX_SPROM |
1c0c13eb AJ |
201 | help |
202 | Support for BCM47XX based boards | |
203 | ||
e7300d04 MB |
204 | config BCM63XX |
205 | bool "Broadcom BCM63XX based boards" | |
ae8de61c | 206 | select BOOT_RAW |
e7300d04 MB |
207 | select CEVT_R4K |
208 | select CSRC_R4K | |
fc264022 | 209 | select SYNC_R4K |
e7300d04 | 210 | select DMA_NONCOHERENT |
67e38cf2 | 211 | select IRQ_MIPS_CPU |
e7300d04 MB |
212 | select SYS_SUPPORTS_32BIT_KERNEL |
213 | select SYS_SUPPORTS_BIG_ENDIAN | |
214 | select SYS_HAS_EARLY_PRINTK | |
215 | select SWAP_IO_SPACE | |
216 | select ARCH_REQUIRE_GPIOLIB | |
3e82eeeb | 217 | select HAVE_CLK |
af2418be | 218 | select MIPS_L1_CACHE_SHIFT_4 |
e7300d04 MB |
219 | help |
220 | Support for BCM63XX based boards | |
221 | ||
1da177e4 | 222 | config MIPS_COBALT |
3fa986fa | 223 | bool "Cobalt Server" |
42f77542 | 224 | select CEVT_R4K |
940f6b48 | 225 | select CSRC_R4K |
1097c6ac | 226 | select CEVT_GT641XX |
1da177e4 LT |
227 | select DMA_NONCOHERENT |
228 | select HW_HAS_PCI | |
d865bea4 | 229 | select I8253 |
1da177e4 | 230 | select I8259 |
67e38cf2 | 231 | select IRQ_MIPS_CPU |
d5ab1a69 | 232 | select IRQ_GT641XX |
252161ec | 233 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 234 | select PCI |
7cf8053b | 235 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 236 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 237 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 238 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 239 | select SYS_SUPPORTS_LITTLE_ENDIAN |
e6086557 | 240 | select USE_GENERIC_EARLY_PRINTK_8250 |
1da177e4 LT |
241 | |
242 | config MACH_DECSTATION | |
3fa986fa | 243 | bool "DECstations" |
1da177e4 | 244 | select BOOT_ELF32 |
6457d9fc | 245 | select CEVT_DS1287 |
81d10bad | 246 | select CEVT_R4K if CPU_R4X00 |
4247417d | 247 | select CSRC_IOASIC |
81d10bad | 248 | select CSRC_R4K if CPU_R4X00 |
20d60d99 MR |
249 | select CPU_DADDI_WORKAROUNDS if 64BIT |
250 | select CPU_R4000_WORKAROUNDS if 64BIT | |
251 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 252 | select DMA_NONCOHERENT |
ce816fa8 | 253 | select NO_IOPORT_MAP |
67e38cf2 | 254 | select IRQ_MIPS_CPU |
7cf8053b RB |
255 | select SYS_HAS_CPU_R3000 |
256 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb | 257 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 258 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 259 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
260 | select SYS_SUPPORTS_128HZ |
261 | select SYS_SUPPORTS_256HZ | |
262 | select SYS_SUPPORTS_1024HZ | |
930beb5a | 263 | select MIPS_L1_CACHE_SHIFT_4 |
5e83d430 | 264 | help |
1da177e4 LT |
265 | This enables support for DEC's MIPS based workstations. For details |
266 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
267 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
268 | ||
269 | If you have one of the following DECstation Models you definitely | |
270 | want to choose R4xx0 for the CPU Type: | |
271 | ||
9308816c RB |
272 | DECstation 5000/50 |
273 | DECstation 5000/150 | |
274 | DECstation 5000/260 | |
275 | DECsystem 5900/260 | |
1da177e4 LT |
276 | |
277 | otherwise choose R3000. | |
278 | ||
5e83d430 | 279 | config MACH_JAZZ |
3fa986fa | 280 | bool "Jazz family of machines" |
0e2794b0 RB |
281 | select FW_ARC |
282 | select FW_ARC32 | |
5e83d430 | 283 | select ARCH_MAY_HAVE_PC_FDC |
42f77542 | 284 | select CEVT_R4K |
940f6b48 | 285 | select CSRC_R4K |
e2defae5 | 286 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 287 | select GENERIC_ISA_DMA |
8a118c38 | 288 | select HAVE_PCSPKR_PLATFORM |
67e38cf2 | 289 | select IRQ_MIPS_CPU |
d865bea4 | 290 | select I8253 |
5e83d430 RB |
291 | select I8259 |
292 | select ISA | |
7cf8053b | 293 | select SYS_HAS_CPU_R4X00 |
5e83d430 | 294 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 295 | select SYS_SUPPORTS_64BIT_KERNEL |
1723b4a3 | 296 | select SYS_SUPPORTS_100HZ |
1da177e4 | 297 | help |
5e83d430 RB |
298 | This a family of machines based on the MIPS R4030 chipset which was |
299 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 300 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
301 | Olivetti M700-10 workstations. |
302 | ||
de361e8b PB |
303 | config MACH_INGENIC |
304 | bool "Ingenic SoC based machines" | |
5ebabe59 LPC |
305 | select SYS_SUPPORTS_32BIT_KERNEL |
306 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f9c9affc | 307 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5ebabe59 | 308 | select DMA_NONCOHERENT |
67e38cf2 | 309 | select IRQ_MIPS_CPU |
5ebabe59 | 310 | select ARCH_REQUIRE_GPIOLIB |
ff1930c6 | 311 | select COMMON_CLK |
83bc7692 | 312 | select GENERIC_IRQ_CHIP |
ffb1843d PB |
313 | select BUILTIN_DTB |
314 | select USE_OF | |
6ec127fb | 315 | select LIBFDT |
5ebabe59 | 316 | |
171bb2f1 JC |
317 | config LANTIQ |
318 | bool "Lantiq based platforms" | |
319 | select DMA_NONCOHERENT | |
67e38cf2 | 320 | select IRQ_MIPS_CPU |
171bb2f1 JC |
321 | select CEVT_R4K |
322 | select CSRC_R4K | |
323 | select SYS_HAS_CPU_MIPS32_R1 | |
324 | select SYS_HAS_CPU_MIPS32_R2 | |
325 | select SYS_SUPPORTS_BIG_ENDIAN | |
326 | select SYS_SUPPORTS_32BIT_KERNEL | |
377cb1b6 | 327 | select SYS_SUPPORTS_MIPS16 |
171bb2f1 JC |
328 | select SYS_SUPPORTS_MULTITHREADING |
329 | select SYS_HAS_EARLY_PRINTK | |
330 | select ARCH_REQUIRE_GPIOLIB | |
331 | select SWAP_IO_SPACE | |
332 | select BOOT_RAW | |
287e3f3f | 333 | select CLKDEV_LOOKUP |
a0392222 | 334 | select USE_OF |
3f8c50c9 JC |
335 | select PINCTRL |
336 | select PINCTRL_LANTIQ | |
c530781c JC |
337 | select ARCH_HAS_RESET_CONTROLLER |
338 | select RESET_CONTROLLER | |
171bb2f1 | 339 | |
1f21d2bd BM |
340 | config LASAT |
341 | bool "LASAT Networks platforms" | |
42f77542 | 342 | select CEVT_R4K |
16f0bbbc | 343 | select CRC32 |
940f6b48 | 344 | select CSRC_R4K |
1f21d2bd BM |
345 | select DMA_NONCOHERENT |
346 | select SYS_HAS_EARLY_PRINTK | |
347 | select HW_HAS_PCI | |
67e38cf2 | 348 | select IRQ_MIPS_CPU |
1f21d2bd BM |
349 | select PCI_GT64XXX_PCI0 |
350 | select MIPS_NILE4 | |
351 | select R5000_CPU_SCACHE | |
352 | select SYS_HAS_CPU_R5000 | |
353 | select SYS_SUPPORTS_32BIT_KERNEL | |
354 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
355 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 356 | |
30ad29bb HC |
357 | config MACH_LOONGSON32 |
358 | bool "Loongson-1 family of machines" | |
c7e8c668 | 359 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 360 | help |
30ad29bb | 361 | This enables support for the Loongson-1 family of machines. |
85749d24 | 362 | |
30ad29bb HC |
363 | Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by |
364 | the Institute of Computing Technology (ICT), Chinese Academy of | |
365 | Sciences (CAS). | |
ade299d8 | 366 | |
30ad29bb HC |
367 | config MACH_LOONGSON64 |
368 | bool "Loongson-2/3 family of machines" | |
ca585cf9 KC |
369 | select SYS_SUPPORTS_ZBOOT |
370 | help | |
30ad29bb | 371 | This enables the support of Loongson-2/3 family of machines. |
ca585cf9 | 372 | |
30ad29bb HC |
373 | Loongson-2 is a family of single-core CPUs and Loongson-3 is a |
374 | family of multi-core CPUs. They are both 64-bit general-purpose | |
375 | MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute | |
376 | of Computing Technology (ICT), Chinese Academy of Sciences (CAS) | |
377 | in the People's Republic of China. The chief architect is Professor | |
378 | Weiwu Hu. | |
ca585cf9 | 379 | |
6a438309 AB |
380 | config MACH_PISTACHIO |
381 | bool "IMG Pistachio SoC based boards" | |
382 | select ARCH_REQUIRE_GPIOLIB | |
383 | select BOOT_ELF32 | |
384 | select BOOT_RAW | |
385 | select CEVT_R4K | |
386 | select CLKSRC_MIPS_GIC | |
387 | select COMMON_CLK | |
388 | select CSRC_R4K | |
389 | select DMA_MAYBE_COHERENT | |
67e38cf2 | 390 | select IRQ_MIPS_CPU |
6a438309 AB |
391 | select LIBFDT |
392 | select MFD_SYSCON | |
393 | select MIPS_CPU_SCACHE | |
394 | select MIPS_GIC | |
395 | select PINCTRL | |
396 | select REGULATOR | |
397 | select SYS_HAS_CPU_MIPS32_R2 | |
398 | select SYS_SUPPORTS_32BIT_KERNEL | |
399 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
400 | select SYS_SUPPORTS_MIPS_CPS | |
401 | select SYS_SUPPORTS_MULTITHREADING | |
402 | select SYS_SUPPORTS_ZBOOT | |
018f62ee EG |
403 | select SYS_HAS_EARLY_PRINTK |
404 | select USE_GENERIC_EARLY_PRINTK_8250 | |
6a438309 AB |
405 | select USE_OF |
406 | help | |
407 | This enables support for the IMG Pistachio SoC platform. | |
408 | ||
9937f5ff ZLK |
409 | config MACH_XILFPGA |
410 | bool "MIPSfpga Xilinx based boards" | |
411 | select ARCH_REQUIRE_GPIOLIB | |
412 | select BOOT_ELF32 | |
413 | select BOOT_RAW | |
414 | select BUILTIN_DTB | |
415 | select CEVT_R4K | |
416 | select COMMON_CLK | |
417 | select CSRC_R4K | |
418 | select IRQ_MIPS_CPU | |
419 | select LIBFDT | |
420 | select MIPS_CPU_SCACHE | |
421 | select SYS_HAS_EARLY_PRINTK | |
422 | select SYS_HAS_CPU_MIPS32_R2 | |
423 | select SYS_SUPPORTS_32BIT_KERNEL | |
424 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
425 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
426 | select USE_OF | |
427 | select USE_GENERIC_EARLY_PRINTK_8250 | |
428 | help | |
429 | This enables support for the IMG University Program MIPSfpga platform. | |
430 | ||
1da177e4 | 431 | config MIPS_MALTA |
3fa986fa | 432 | bool "MIPS Malta board" |
61ed242d | 433 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 434 | select BOOT_ELF32 |
fa71c960 | 435 | select BOOT_RAW |
e8823d26 | 436 | select BUILTIN_DTB |
42f77542 | 437 | select CEVT_R4K |
940f6b48 | 438 | select CSRC_R4K |
fa5635a2 | 439 | select CLKSRC_MIPS_GIC |
42b002ab | 440 | select COMMON_CLK |
885014bc | 441 | select DMA_MAYBE_COHERENT |
1da177e4 | 442 | select GENERIC_ISA_DMA |
8a118c38 | 443 | select HAVE_PCSPKR_PLATFORM |
67e38cf2 | 444 | select IRQ_MIPS_CPU |
8a19b8f1 | 445 | select MIPS_GIC |
1da177e4 | 446 | select HW_HAS_PCI |
d865bea4 | 447 | select I8253 |
1da177e4 | 448 | select I8259 |
5e83d430 | 449 | select MIPS_BONITO64 |
9318c51a | 450 | select MIPS_CPU_SCACHE |
a7ef1ead | 451 | select MIPS_L1_CACHE_SHIFT_6 |
252161ec | 452 | select PCI_GT64XXX_PCI0 |
5e83d430 | 453 | select MIPS_MSC |
ecafe3e9 | 454 | select SMP_UP if SMP |
1da177e4 | 455 | select SWAP_IO_SPACE |
7cf8053b RB |
456 | select SYS_HAS_CPU_MIPS32_R1 |
457 | select SYS_HAS_CPU_MIPS32_R2 | |
bfc3c5a6 | 458 | select SYS_HAS_CPU_MIPS32_R3_5 |
c5b36783 | 459 | select SYS_HAS_CPU_MIPS32_R5 |
575509b6 | 460 | select SYS_HAS_CPU_MIPS32_R6 |
7cf8053b | 461 | select SYS_HAS_CPU_MIPS64_R1 |
5d9fbed1 | 462 | select SYS_HAS_CPU_MIPS64_R2 |
575509b6 | 463 | select SYS_HAS_CPU_MIPS64_R6 |
7cf8053b RB |
464 | select SYS_HAS_CPU_NEVADA |
465 | select SYS_HAS_CPU_RM7000 | |
ed5ba2fb YY |
466 | select SYS_SUPPORTS_32BIT_KERNEL |
467 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 468 | select SYS_SUPPORTS_BIG_ENDIAN |
c5b36783 | 469 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 470 | select SYS_SUPPORTS_LITTLE_ENDIAN |
424ebcdf | 471 | select SYS_SUPPORTS_MICROMIPS |
0365070f | 472 | select SYS_SUPPORTS_MIPS_CMP |
e56b6aa6 | 473 | select SYS_SUPPORTS_MIPS_CPS |
377cb1b6 | 474 | select SYS_SUPPORTS_MIPS16 |
f41ae0b2 | 475 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 476 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 477 | select SYS_SUPPORTS_ZBOOT |
e8823d26 | 478 | select USE_OF |
abcc82b1 | 479 | select ZONE_DMA32 if 64BIT |
e81a8c7d PB |
480 | select BUILTIN_DTB |
481 | select LIBFDT | |
1da177e4 | 482 | help |
f638d197 | 483 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
484 | board. |
485 | ||
2572f00d JH |
486 | config MACH_PIC32 |
487 | bool "Microchip PIC32 Family" | |
488 | help | |
489 | This enables support for the Microchip PIC32 family of platforms. | |
490 | ||
491 | Microchip PIC32 is a family of general-purpose 32 bit MIPS core | |
492 | microcontrollers. | |
493 | ||
ec47b274 SH |
494 | config MIPS_SEAD3 |
495 | bool "MIPS SEAD3 board" | |
496 | select BOOT_ELF32 | |
497 | select BOOT_RAW | |
f262b5f2 | 498 | select BUILTIN_DTB |
ec47b274 SH |
499 | select CEVT_R4K |
500 | select CSRC_R4K | |
fa5635a2 | 501 | select CLKSRC_MIPS_GIC |
42b002ab | 502 | select COMMON_CLK |
ec47b274 SH |
503 | select CPU_MIPSR2_IRQ_VI |
504 | select CPU_MIPSR2_IRQ_EI | |
505 | select DMA_NONCOHERENT | |
67e38cf2 | 506 | select IRQ_MIPS_CPU |
8a19b8f1 | 507 | select MIPS_GIC |
44327236 | 508 | select LIBFDT |
ec47b274 SH |
509 | select MIPS_MSC |
510 | select SYS_HAS_CPU_MIPS32_R1 | |
511 | select SYS_HAS_CPU_MIPS32_R2 | |
512 | select SYS_HAS_CPU_MIPS64_R1 | |
513 | select SYS_HAS_EARLY_PRINTK | |
514 | select SYS_SUPPORTS_32BIT_KERNEL | |
515 | select SYS_SUPPORTS_64BIT_KERNEL | |
516 | select SYS_SUPPORTS_BIG_ENDIAN | |
517 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
518 | select SYS_SUPPORTS_SMARTMIPS | |
a6a4834c | 519 | select SYS_SUPPORTS_MICROMIPS |
377cb1b6 | 520 | select SYS_SUPPORTS_MIPS16 |
ec47b274 SH |
521 | select USB_EHCI_BIG_ENDIAN_DESC |
522 | select USB_EHCI_BIG_ENDIAN_MMIO | |
9b731009 | 523 | select USE_OF |
ec47b274 SH |
524 | help |
525 | This enables support for the MIPS Technologies SEAD3 evaluation | |
526 | board. | |
527 | ||
a83860c2 RB |
528 | config NEC_MARKEINS |
529 | bool "NEC EMMA2RH Mark-eins board" | |
530 | select SOC_EMMA2RH | |
531 | select HW_HAS_PCI | |
532 | help | |
533 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 534 | |
5e83d430 | 535 | config MACH_VR41XX |
74142d65 | 536 | bool "NEC VR4100 series based machines" |
42f77542 | 537 | select CEVT_R4K |
940f6b48 | 538 | select CSRC_R4K |
7cf8053b | 539 | select SYS_HAS_CPU_VR41XX |
377cb1b6 | 540 | select SYS_SUPPORTS_MIPS16 |
27fdd325 | 541 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 542 | |
edb6310a DL |
543 | config NXP_STB220 |
544 | bool "NXP STB220 board" | |
545 | select SOC_PNX833X | |
546 | help | |
547 | Support for NXP Semiconductors STB220 Development Board. | |
548 | ||
549 | config NXP_STB225 | |
550 | bool "NXP 225 board" | |
551 | select SOC_PNX833X | |
552 | select SOC_PNX8335 | |
553 | help | |
554 | Support for NXP Semiconductors STB225 Development Board. | |
555 | ||
9267a30d MSJ |
556 | config PMC_MSP |
557 | bool "PMC-Sierra MSP chipsets" | |
39d30c13 A |
558 | select CEVT_R4K |
559 | select CSRC_R4K | |
9267a30d MSJ |
560 | select DMA_NONCOHERENT |
561 | select SWAP_IO_SPACE | |
562 | select NO_EXCEPT_FILL | |
563 | select BOOT_RAW | |
564 | select SYS_HAS_CPU_MIPS32_R1 | |
565 | select SYS_HAS_CPU_MIPS32_R2 | |
566 | select SYS_SUPPORTS_32BIT_KERNEL | |
567 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 568 | select SYS_SUPPORTS_MIPS16 |
67e38cf2 | 569 | select IRQ_MIPS_CPU |
9267a30d MSJ |
570 | select SERIAL_8250 |
571 | select SERIAL_8250_CONSOLE | |
9296d94d FF |
572 | select USB_EHCI_BIG_ENDIAN_MMIO |
573 | select USB_EHCI_BIG_ENDIAN_DESC | |
9267a30d MSJ |
574 | help |
575 | This adds support for the PMC-Sierra family of Multi-Service | |
576 | Processor System-On-A-Chips. These parts include a number | |
577 | of integrated peripherals, interfaces and DSPs in addition to | |
578 | a variety of MIPS cores. | |
579 | ||
ae2b5bb6 JC |
580 | config RALINK |
581 | bool "Ralink based machines" | |
582 | select CEVT_R4K | |
583 | select CSRC_R4K | |
584 | select BOOT_RAW | |
585 | select DMA_NONCOHERENT | |
67e38cf2 | 586 | select IRQ_MIPS_CPU |
ae2b5bb6 JC |
587 | select USE_OF |
588 | select SYS_HAS_CPU_MIPS32_R1 | |
589 | select SYS_HAS_CPU_MIPS32_R2 | |
590 | select SYS_SUPPORTS_32BIT_KERNEL | |
591 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
377cb1b6 | 592 | select SYS_SUPPORTS_MIPS16 |
ae2b5bb6 | 593 | select SYS_HAS_EARLY_PRINTK |
ae2b5bb6 | 594 | select CLKDEV_LOOKUP |
2a153f1c JC |
595 | select ARCH_HAS_RESET_CONTROLLER |
596 | select RESET_CONTROLLER | |
ae2b5bb6 | 597 | |
1da177e4 | 598 | config SGI_IP22 |
3fa986fa | 599 | bool "SGI IP22 (Indy/Indigo2)" |
0e2794b0 RB |
600 | select FW_ARC |
601 | select FW_ARC32 | |
1da177e4 | 602 | select BOOT_ELF32 |
42f77542 | 603 | select CEVT_R4K |
940f6b48 | 604 | select CSRC_R4K |
e2defae5 | 605 | select DEFAULT_SGI_PARTITION |
1da177e4 | 606 | select DMA_NONCOHERENT |
5e83d430 | 607 | select HW_HAS_EISA |
d865bea4 | 608 | select I8253 |
68de4803 | 609 | select I8259 |
1da177e4 | 610 | select IP22_CPU_SCACHE |
67e38cf2 | 611 | select IRQ_MIPS_CPU |
aa414dff | 612 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
613 | select SGI_HAS_I8042 |
614 | select SGI_HAS_INDYDOG | |
36e5c21d | 615 | select SGI_HAS_HAL2 |
e2defae5 TB |
616 | select SGI_HAS_SEEQ |
617 | select SGI_HAS_WD93 | |
618 | select SGI_HAS_ZILOG | |
1da177e4 | 619 | select SWAP_IO_SPACE |
7cf8053b RB |
620 | select SYS_HAS_CPU_R4X00 |
621 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
622 | # |
623 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
624 | # memory during early boot on some machines. | |
625 | # | |
626 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
627 | # for a more details discussion | |
628 | # | |
629 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
630 | select SYS_SUPPORTS_32BIT_KERNEL |
631 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 632 | select SYS_SUPPORTS_BIG_ENDIAN |
930beb5a | 633 | select MIPS_L1_CACHE_SHIFT_7 |
1da177e4 LT |
634 | help |
635 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
636 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
637 | that runs on these, say Y here. | |
638 | ||
639 | config SGI_IP27 | |
3fa986fa | 640 | bool "SGI IP27 (Origin200/2000)" |
0e2794b0 RB |
641 | select FW_ARC |
642 | select FW_ARC64 | |
5e83d430 | 643 | select BOOT_ELF64 |
e2defae5 | 644 | select DEFAULT_SGI_PARTITION |
634286f1 | 645 | select DMA_COHERENT |
36a88530 | 646 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 647 | select HW_HAS_PCI |
130e2fb7 | 648 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 649 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 650 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 651 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 652 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 653 | select SYS_SUPPORTS_SMP |
930beb5a | 654 | select MIPS_L1_CACHE_SHIFT_7 |
1da177e4 LT |
655 | help |
656 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
657 | workstations. To compile a Linux kernel that runs on these, say Y | |
658 | here. | |
659 | ||
e2defae5 | 660 | config SGI_IP28 |
7d60717e | 661 | bool "SGI IP28 (Indigo2 R10k)" |
0e2794b0 RB |
662 | select FW_ARC |
663 | select FW_ARC64 | |
e2defae5 TB |
664 | select BOOT_ELF64 |
665 | select CEVT_R4K | |
666 | select CSRC_R4K | |
667 | select DEFAULT_SGI_PARTITION | |
668 | select DMA_NONCOHERENT | |
669 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
67e38cf2 | 670 | select IRQ_MIPS_CPU |
e2defae5 TB |
671 | select HW_HAS_EISA |
672 | select I8253 | |
673 | select I8259 | |
e2defae5 TB |
674 | select SGI_HAS_I8042 |
675 | select SGI_HAS_INDYDOG | |
5b438c44 | 676 | select SGI_HAS_HAL2 |
e2defae5 TB |
677 | select SGI_HAS_SEEQ |
678 | select SGI_HAS_WD93 | |
679 | select SGI_HAS_ZILOG | |
680 | select SWAP_IO_SPACE | |
681 | select SYS_HAS_CPU_R10000 | |
2b5e63f6 MM |
682 | # |
683 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
684 | # memory during early boot on some machines. | |
685 | # | |
686 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
687 | # for a more details discussion | |
688 | # | |
689 | # select SYS_HAS_EARLY_PRINTK | |
e2defae5 TB |
690 | select SYS_SUPPORTS_64BIT_KERNEL |
691 | select SYS_SUPPORTS_BIG_ENDIAN | |
dc24d68d | 692 | select MIPS_L1_CACHE_SHIFT_7 |
e2defae5 TB |
693 | help |
694 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
695 | kernel that runs on these, say Y here. | |
696 | ||
1da177e4 | 697 | config SGI_IP32 |
cfd2afc0 | 698 | bool "SGI IP32 (O2)" |
0e2794b0 RB |
699 | select FW_ARC |
700 | select FW_ARC32 | |
1da177e4 | 701 | select BOOT_ELF32 |
42f77542 | 702 | select CEVT_R4K |
940f6b48 | 703 | select CSRC_R4K |
1da177e4 LT |
704 | select DMA_NONCOHERENT |
705 | select HW_HAS_PCI | |
67e38cf2 | 706 | select IRQ_MIPS_CPU |
1da177e4 LT |
707 | select R5000_CPU_SCACHE |
708 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
709 | select SYS_HAS_CPU_R5000 |
710 | select SYS_HAS_CPU_R10000 if BROKEN | |
711 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 712 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 713 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 714 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 715 | help |
5e83d430 | 716 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 717 | |
ade299d8 YY |
718 | config SIBYTE_CRHINE |
719 | bool "Sibyte BCM91120C-CRhine" | |
9a6dcea1 AI |
720 | select BOOT_ELF32 |
721 | select DMA_COHERENT | |
ade299d8 | 722 | select SIBYTE_BCM1120 |
9a6dcea1 | 723 | select SWAP_IO_SPACE |
7cf8053b | 724 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
725 | select SYS_SUPPORTS_BIG_ENDIAN |
726 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
727 | ||
ade299d8 YY |
728 | config SIBYTE_CARMEL |
729 | bool "Sibyte BCM91120x-Carmel" | |
5e83d430 | 730 | select BOOT_ELF32 |
1da177e4 | 731 | select DMA_COHERENT |
ade299d8 | 732 | select SIBYTE_BCM1120 |
5e83d430 | 733 | select SWAP_IO_SPACE |
7cf8053b | 734 | select SYS_HAS_CPU_SB1 |
81731f79 | 735 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 736 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 737 | |
ade299d8 YY |
738 | config SIBYTE_CRHONE |
739 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
740 | select BOOT_ELF32 |
741 | select DMA_COHERENT | |
ade299d8 | 742 | select SIBYTE_BCM1125 |
5e83d430 | 743 | select SWAP_IO_SPACE |
7cf8053b | 744 | select SYS_HAS_CPU_SB1 |
5e83d430 | 745 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 746 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 747 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 748 | |
5e83d430 | 749 | config SIBYTE_RHONE |
3fa986fa | 750 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
751 | select BOOT_ELF32 |
752 | select DMA_COHERENT | |
753 | select SIBYTE_BCM1125H | |
754 | select SWAP_IO_SPACE | |
7cf8053b | 755 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
756 | select SYS_SUPPORTS_BIG_ENDIAN |
757 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 758 | |
ade299d8 YY |
759 | config SIBYTE_SWARM |
760 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 761 | select BOOT_ELF32 |
26a940e2 | 762 | select DMA_COHERENT |
fcf3ca4c | 763 | select HAVE_PATA_PLATFORM |
ade299d8 | 764 | select SIBYTE_SB1250 |
5e83d430 | 765 | select SWAP_IO_SPACE |
7cf8053b | 766 | select SYS_HAS_CPU_SB1 |
5e83d430 | 767 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 768 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 769 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 770 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 771 | |
ade299d8 YY |
772 | config SIBYTE_LITTLESUR |
773 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
774 | select BOOT_ELF32 |
775 | select DMA_COHERENT | |
fcf3ca4c | 776 | select HAVE_PATA_PLATFORM |
5e83d430 RB |
777 | select SIBYTE_SB1250 |
778 | select SWAP_IO_SPACE | |
7cf8053b | 779 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
780 | select SYS_SUPPORTS_BIG_ENDIAN |
781 | select SYS_SUPPORTS_HIGHMEM | |
782 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 783 | |
ade299d8 YY |
784 | config SIBYTE_SENTOSA |
785 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
786 | select BOOT_ELF32 |
787 | select DMA_COHERENT | |
788 | select SIBYTE_SB1250 | |
789 | select SWAP_IO_SPACE | |
7cf8053b | 790 | select SYS_HAS_CPU_SB1 |
5e83d430 | 791 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 792 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 793 | |
ade299d8 YY |
794 | config SIBYTE_BIGSUR |
795 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
796 | select BOOT_ELF32 |
797 | select DMA_COHERENT | |
ade299d8 | 798 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 799 | select SIBYTE_BCM1x80 |
5e83d430 | 800 | select SWAP_IO_SPACE |
7cf8053b | 801 | select SYS_HAS_CPU_SB1 |
5e83d430 | 802 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 803 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 804 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 805 | select ZONE_DMA32 if 64BIT |
1da177e4 | 806 | |
14b36af4 TB |
807 | config SNI_RM |
808 | bool "SNI RM200/300/400" | |
0e2794b0 RB |
809 | select FW_ARC if CPU_LITTLE_ENDIAN |
810 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
aaa9fad3 | 811 | select FW_SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 812 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 813 | select BOOT_ELF32 |
42f77542 | 814 | select CEVT_R4K |
940f6b48 | 815 | select CSRC_R4K |
e2defae5 | 816 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
817 | select DMA_NONCOHERENT |
818 | select GENERIC_ISA_DMA | |
8a118c38 | 819 | select HAVE_PCSPKR_PLATFORM |
5e83d430 | 820 | select HW_HAS_EISA |
1da177e4 | 821 | select HW_HAS_PCI |
67e38cf2 | 822 | select IRQ_MIPS_CPU |
d865bea4 | 823 | select I8253 |
1da177e4 LT |
824 | select I8259 |
825 | select ISA | |
4a0312fc | 826 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 827 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 828 | select SYS_HAS_CPU_R5000 |
c066a32a | 829 | select SYS_HAS_CPU_R10000 |
4a0312fc | 830 | select R5000_CPU_SCACHE |
36a88530 | 831 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 832 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 833 | select SYS_SUPPORTS_64BIT_KERNEL |
4a0312fc | 834 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 835 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 836 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 837 | help |
14b36af4 TB |
838 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
839 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
840 | Technology and now in turn merged with Fujitsu. Say Y here to |
841 | support this machine type. | |
842 | ||
edcaf1a6 AN |
843 | config MACH_TX39XX |
844 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 845 | |
edcaf1a6 AN |
846 | config MACH_TX49XX |
847 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 848 | |
73b4390f RB |
849 | config MIKROTIK_RB532 |
850 | bool "Mikrotik RB532 boards" | |
851 | select CEVT_R4K | |
852 | select CSRC_R4K | |
853 | select DMA_NONCOHERENT | |
73b4390f | 854 | select HW_HAS_PCI |
67e38cf2 | 855 | select IRQ_MIPS_CPU |
73b4390f RB |
856 | select SYS_HAS_CPU_MIPS32_R1 |
857 | select SYS_SUPPORTS_32BIT_KERNEL | |
858 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
859 | select SWAP_IO_SPACE | |
860 | select BOOT_RAW | |
d888e25b | 861 | select ARCH_REQUIRE_GPIOLIB |
930beb5a | 862 | select MIPS_L1_CACHE_SHIFT_4 |
73b4390f RB |
863 | help |
864 | Support the Mikrotik(tm) RouterBoard 532 series, | |
865 | based on the IDT RC32434 SoC. | |
866 | ||
9ddebc46 DD |
867 | config CAVIUM_OCTEON_SOC |
868 | bool "Cavium Networks Octeon SoC based boards" | |
a86c7f72 | 869 | select CEVT_R4K |
34adb28d | 870 | select ARCH_PHYS_ADDR_T_64BIT |
a86c7f72 DD |
871 | select DMA_COHERENT |
872 | select SYS_SUPPORTS_64BIT_KERNEL | |
873 | select SYS_SUPPORTS_BIG_ENDIAN | |
f65aad41 | 874 | select EDAC_SUPPORT |
b01aec9b | 875 | select EDAC_ATOMIC_SCRUB |
73569d87 DD |
876 | select SYS_SUPPORTS_LITTLE_ENDIAN |
877 | select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN | |
a86c7f72 | 878 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 879 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 880 | select SWAP_IO_SPACE |
e8635b48 | 881 | select HW_HAS_PCI |
f00e001e | 882 | select ZONE_DMA32 |
465aaed0 | 883 | select HOLES_IN_ZONE |
99cab4bb | 884 | select ARCH_REQUIRE_GPIOLIB |
6e511163 DD |
885 | select LIBFDT |
886 | select USE_OF | |
887 | select ARCH_SPARSEMEM_ENABLE | |
888 | select SYS_SUPPORTS_SMP | |
889 | select NR_CPUS_DEFAULT_16 | |
e326479f | 890 | select BUILTIN_DTB |
8c1e6b14 | 891 | select MTD_COMPLEX_MAPPINGS |
a86c7f72 DD |
892 | help |
893 | This option supports all of the Octeon reference boards from Cavium | |
894 | Networks. It builds a kernel that dynamically determines the Octeon | |
895 | CPU type and supports all known board reference implementations. | |
896 | Some of the supported boards are: | |
897 | EBT3000 | |
898 | EBH3000 | |
899 | EBH3100 | |
900 | Thunder | |
901 | Kodama | |
902 | Hikari | |
903 | Say Y here for most Octeon reference boards. | |
904 | ||
7f058e85 J |
905 | config NLM_XLR_BOARD |
906 | bool "Netlogic XLR/XLS based systems" | |
7f058e85 J |
907 | select BOOT_ELF32 |
908 | select NLM_COMMON | |
7f058e85 J |
909 | select SYS_HAS_CPU_XLR |
910 | select SYS_SUPPORTS_SMP | |
911 | select HW_HAS_PCI | |
912 | select SWAP_IO_SPACE | |
913 | select SYS_SUPPORTS_32BIT_KERNEL | |
914 | select SYS_SUPPORTS_64BIT_KERNEL | |
34adb28d | 915 | select ARCH_PHYS_ADDR_T_64BIT |
7f058e85 J |
916 | select SYS_SUPPORTS_BIG_ENDIAN |
917 | select SYS_SUPPORTS_HIGHMEM | |
918 | select DMA_COHERENT | |
919 | select NR_CPUS_DEFAULT_32 | |
920 | select CEVT_R4K | |
921 | select CSRC_R4K | |
67e38cf2 | 922 | select IRQ_MIPS_CPU |
b97215fd | 923 | select ZONE_DMA32 if 64BIT |
7f058e85 J |
924 | select SYNC_R4K |
925 | select SYS_HAS_EARLY_PRINTK | |
8f0b0430 J |
926 | select SYS_SUPPORTS_ZBOOT |
927 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
7f058e85 J |
928 | help |
929 | Support for systems based on Netlogic XLR and XLS processors. | |
930 | Say Y here if you have a XLR or XLS based board. | |
931 | ||
1c773ea4 J |
932 | config NLM_XLP_BOARD |
933 | bool "Netlogic XLP based systems" | |
1c773ea4 J |
934 | select BOOT_ELF32 |
935 | select NLM_COMMON | |
936 | select SYS_HAS_CPU_XLP | |
937 | select SYS_SUPPORTS_SMP | |
938 | select HW_HAS_PCI | |
1c773ea4 J |
939 | select SYS_SUPPORTS_32BIT_KERNEL |
940 | select SYS_SUPPORTS_64BIT_KERNEL | |
34adb28d | 941 | select ARCH_PHYS_ADDR_T_64BIT |
079e3160 | 942 | select ARCH_REQUIRE_GPIOLIB |
1c773ea4 J |
943 | select SYS_SUPPORTS_BIG_ENDIAN |
944 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
945 | select SYS_SUPPORTS_HIGHMEM | |
946 | select DMA_COHERENT | |
947 | select NR_CPUS_DEFAULT_32 | |
948 | select CEVT_R4K | |
949 | select CSRC_R4K | |
67e38cf2 | 950 | select IRQ_MIPS_CPU |
b97215fd | 951 | select ZONE_DMA32 if 64BIT |
1c773ea4 J |
952 | select SYNC_R4K |
953 | select SYS_HAS_EARLY_PRINTK | |
2f6528e1 | 954 | select USE_OF |
8f0b0430 J |
955 | select SYS_SUPPORTS_ZBOOT |
956 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
1c773ea4 J |
957 | help |
958 | This board is based on Netlogic XLP Processor. | |
959 | Say Y here if you have a XLP based board. | |
960 | ||
9bc463be DD |
961 | config MIPS_PARAVIRT |
962 | bool "Para-Virtualized guest system" | |
963 | select CEVT_R4K | |
964 | select CSRC_R4K | |
965 | select DMA_COHERENT | |
966 | select SYS_SUPPORTS_64BIT_KERNEL | |
967 | select SYS_SUPPORTS_32BIT_KERNEL | |
968 | select SYS_SUPPORTS_BIG_ENDIAN | |
969 | select SYS_SUPPORTS_SMP | |
970 | select NR_CPUS_DEFAULT_4 | |
971 | select SYS_HAS_EARLY_PRINTK | |
972 | select SYS_HAS_CPU_MIPS32_R2 | |
973 | select SYS_HAS_CPU_MIPS64_R2 | |
974 | select SYS_HAS_CPU_CAVIUM_OCTEON | |
975 | select HW_HAS_PCI | |
976 | select SWAP_IO_SPACE | |
977 | help | |
978 | This option supports guest running under ???? | |
979 | ||
5e83d430 | 980 | endchoice |
1da177e4 | 981 | |
e8c7c482 | 982 | source "arch/mips/alchemy/Kconfig" |
3b12308f | 983 | source "arch/mips/ath25/Kconfig" |
d4a67d9d | 984 | source "arch/mips/ath79/Kconfig" |
a656ffcb | 985 | source "arch/mips/bcm47xx/Kconfig" |
e7300d04 | 986 | source "arch/mips/bcm63xx/Kconfig" |
8945e37e | 987 | source "arch/mips/bmips/Kconfig" |
5e83d430 | 988 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 989 | source "arch/mips/jz4740/Kconfig" |
8ec6d935 | 990 | source "arch/mips/lantiq/Kconfig" |
1f21d2bd | 991 | source "arch/mips/lasat/Kconfig" |
2572f00d | 992 | source "arch/mips/pic32/Kconfig" |
af0cfb2c | 993 | source "arch/mips/pistachio/Kconfig" |
0f3a05cb | 994 | source "arch/mips/pmcs-msp71xx/Kconfig" |
ae2b5bb6 | 995 | source "arch/mips/ralink/Kconfig" |
29c48699 | 996 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 997 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 998 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 999 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 1000 | source "arch/mips/cavium-octeon/Kconfig" |
30ad29bb HC |
1001 | source "arch/mips/loongson32/Kconfig" |
1002 | source "arch/mips/loongson64/Kconfig" | |
7f058e85 | 1003 | source "arch/mips/netlogic/Kconfig" |
ae6e7e63 | 1004 | source "arch/mips/paravirt/Kconfig" |
9937f5ff | 1005 | source "arch/mips/xilfpga/Kconfig" |
38b18f72 | 1006 | |
5e83d430 RB |
1007 | endmenu |
1008 | ||
1da177e4 LT |
1009 | config RWSEM_GENERIC_SPINLOCK |
1010 | bool | |
1011 | default y | |
1012 | ||
1013 | config RWSEM_XCHGADD_ALGORITHM | |
1014 | bool | |
1015 | ||
f0d1b0b3 DH |
1016 | config ARCH_HAS_ILOG2_U32 |
1017 | bool | |
1018 | default n | |
1019 | ||
1020 | config ARCH_HAS_ILOG2_U64 | |
1021 | bool | |
1022 | default n | |
1023 | ||
3c9ee7ef AM |
1024 | config GENERIC_HWEIGHT |
1025 | bool | |
1026 | default y | |
1027 | ||
1da177e4 LT |
1028 | config GENERIC_CALIBRATE_DELAY |
1029 | bool | |
1030 | default y | |
1031 | ||
ae1e9130 | 1032 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
1033 | bool |
1034 | default y | |
1035 | ||
1da177e4 LT |
1036 | # |
1037 | # Select some configuration options automatically based on user selections. | |
1038 | # | |
0e2794b0 | 1039 | config FW_ARC |
1da177e4 | 1040 | bool |
1da177e4 | 1041 | |
61ed242d RB |
1042 | config ARCH_MAY_HAVE_PC_FDC |
1043 | bool | |
1044 | ||
9267a30d MSJ |
1045 | config BOOT_RAW |
1046 | bool | |
1047 | ||
217dd11e RB |
1048 | config CEVT_BCM1480 |
1049 | bool | |
1050 | ||
6457d9fc YY |
1051 | config CEVT_DS1287 |
1052 | bool | |
1053 | ||
1097c6ac YY |
1054 | config CEVT_GT641XX |
1055 | bool | |
1056 | ||
42f77542 RB |
1057 | config CEVT_R4K |
1058 | bool | |
1059 | ||
217dd11e RB |
1060 | config CEVT_SB1250 |
1061 | bool | |
1062 | ||
229f773e AN |
1063 | config CEVT_TXX9 |
1064 | bool | |
1065 | ||
217dd11e RB |
1066 | config CSRC_BCM1480 |
1067 | bool | |
1068 | ||
4247417d YY |
1069 | config CSRC_IOASIC |
1070 | bool | |
1071 | ||
940f6b48 RB |
1072 | config CSRC_R4K |
1073 | bool | |
1074 | ||
217dd11e RB |
1075 | config CSRC_SB1250 |
1076 | bool | |
1077 | ||
a7f4df4e AS |
1078 | config MIPS_CLOCK_VSYSCALL |
1079 | def_bool CSRC_R4K || CLKSRC_MIPS_GIC | |
1080 | ||
a9aec7fe | 1081 | config GPIO_TXX9 |
7444a72e | 1082 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
1083 | bool |
1084 | ||
0e2794b0 | 1085 | config FW_CFE |
df78b5c8 AJ |
1086 | bool |
1087 | ||
4bafad92 | 1088 | config ARCH_DMA_ADDR_T_64BIT |
34adb28d | 1089 | def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT |
4bafad92 | 1090 | |
40e084a5 RB |
1091 | config ARCH_SUPPORTS_UPROBES |
1092 | bool | |
1093 | ||
885014bc FF |
1094 | config DMA_MAYBE_COHERENT |
1095 | select DMA_NONCOHERENT | |
1096 | bool | |
1097 | ||
4ce588cd | 1098 | config DMA_COHERENT |
1da177e4 LT |
1099 | bool |
1100 | ||
4ce588cd RB |
1101 | config DMA_NONCOHERENT |
1102 | bool | |
e1e02b32 | 1103 | select NEED_DMA_MAP_STATE |
4ce588cd | 1104 | |
e1e02b32 | 1105 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
1106 | bool |
1107 | ||
36a88530 | 1108 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 1109 | bool |
1da177e4 | 1110 | |
dbb74540 | 1111 | config HOTPLUG_CPU |
1b2bc75c | 1112 | bool "Support for hot-pluggable CPUs" |
40b31360 | 1113 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU |
1b2bc75c RB |
1114 | help |
1115 | Say Y here to allow turning CPUs off and on. CPUs can be | |
1116 | controlled through /sys/devices/system/cpu. | |
1117 | (Note: power management support will enable this option | |
1118 | automatically on SMP systems. ) | |
1119 | Say N if you want to disable CPU hotplug. | |
1120 | ||
1121 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 1122 | bool |
dbb74540 | 1123 | |
1da177e4 LT |
1124 | config MIPS_BONITO64 |
1125 | bool | |
1da177e4 LT |
1126 | |
1127 | config MIPS_MSC | |
1128 | bool | |
1da177e4 | 1129 | |
1f21d2bd BM |
1130 | config MIPS_NILE4 |
1131 | bool | |
1132 | ||
39b8d525 RB |
1133 | config SYNC_R4K |
1134 | bool | |
1135 | ||
487d70d0 GJ |
1136 | config MIPS_MACHINE |
1137 | def_bool n | |
1138 | ||
ce816fa8 | 1139 | config NO_IOPORT_MAP |
d388d685 MR |
1140 | def_bool n |
1141 | ||
4e0748f5 MC |
1142 | config GENERIC_CSUM |
1143 | bool | |
1144 | ||
8313da30 RB |
1145 | config GENERIC_ISA_DMA |
1146 | bool | |
1147 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 1148 | select ISA_DMA_API |
8313da30 | 1149 | |
aa414dff RB |
1150 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
1151 | bool | |
8313da30 | 1152 | select GENERIC_ISA_DMA |
aa414dff | 1153 | |
a35bee8a NK |
1154 | config ISA_DMA_API |
1155 | bool | |
1156 | ||
465aaed0 DD |
1157 | config HOLES_IN_ZONE |
1158 | bool | |
1159 | ||
5e83d430 | 1160 | # |
6b2aac42 | 1161 | # Endianness selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
1162 | # answer,so we try hard to limit the available choices. Also the use of a |
1163 | # choice statement should be more obvious to the user. | |
1164 | # | |
1165 | choice | |
6b2aac42 | 1166 | prompt "Endianness selection" |
1da177e4 LT |
1167 | help |
1168 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 1169 | byte order. These modes require different kernels and a different |
3cb2fccc | 1170 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 1171 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 1172 | one or the other endianness. |
5e83d430 RB |
1173 | |
1174 | config CPU_BIG_ENDIAN | |
1175 | bool "Big endian" | |
1176 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
1177 | ||
1178 | config CPU_LITTLE_ENDIAN | |
1179 | bool "Little endian" | |
1180 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
5e83d430 RB |
1181 | |
1182 | endchoice | |
1183 | ||
22b0763a DD |
1184 | config EXPORT_UASM |
1185 | bool | |
1186 | ||
2116245e RB |
1187 | config SYS_SUPPORTS_APM_EMULATION |
1188 | bool | |
1189 | ||
5e83d430 RB |
1190 | config SYS_SUPPORTS_BIG_ENDIAN |
1191 | bool | |
1192 | ||
1193 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
1194 | bool | |
1da177e4 | 1195 | |
9cffd154 DD |
1196 | config SYS_SUPPORTS_HUGETLBFS |
1197 | bool | |
1198 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1199 | default y | |
1200 | ||
aa1762f4 DD |
1201 | config MIPS_HUGE_TLB_SUPPORT |
1202 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1203 | ||
1da177e4 LT |
1204 | config IRQ_CPU_RM7K |
1205 | bool | |
1206 | ||
9267a30d MSJ |
1207 | config IRQ_MSP_SLP |
1208 | bool | |
1209 | ||
1210 | config IRQ_MSP_CIC | |
1211 | bool | |
1212 | ||
8420fd00 AN |
1213 | config IRQ_TXX9 |
1214 | bool | |
1215 | ||
d5ab1a69 YY |
1216 | config IRQ_GT641XX |
1217 | bool | |
1218 | ||
252161ec | 1219 | config PCI_GT64XXX_PCI0 |
1da177e4 | 1220 | bool |
1da177e4 | 1221 | |
9267a30d MSJ |
1222 | config NO_EXCEPT_FILL |
1223 | bool | |
1224 | ||
a83860c2 RB |
1225 | config SOC_EMMA2RH |
1226 | bool | |
1227 | select CEVT_R4K | |
1228 | select CSRC_R4K | |
1229 | select DMA_NONCOHERENT | |
67e38cf2 | 1230 | select IRQ_MIPS_CPU |
a83860c2 RB |
1231 | select SWAP_IO_SPACE |
1232 | select SYS_HAS_CPU_R5500 | |
1233 | select SYS_SUPPORTS_32BIT_KERNEL | |
1234 | select SYS_SUPPORTS_64BIT_KERNEL | |
1235 | select SYS_SUPPORTS_BIG_ENDIAN | |
1236 | ||
edb6310a DL |
1237 | config SOC_PNX833X |
1238 | bool | |
1239 | select CEVT_R4K | |
1240 | select CSRC_R4K | |
67e38cf2 | 1241 | select IRQ_MIPS_CPU |
edb6310a DL |
1242 | select DMA_NONCOHERENT |
1243 | select SYS_HAS_CPU_MIPS32_R2 | |
1244 | select SYS_SUPPORTS_32BIT_KERNEL | |
1245 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1246 | select SYS_SUPPORTS_BIG_ENDIAN | |
377cb1b6 | 1247 | select SYS_SUPPORTS_MIPS16 |
edb6310a DL |
1248 | select CPU_MIPSR2_IRQ_VI |
1249 | ||
1250 | config SOC_PNX8335 | |
1251 | bool | |
1252 | select SOC_PNX833X | |
1253 | ||
a7e07b1a MC |
1254 | config MIPS_SPRAM |
1255 | bool | |
1256 | ||
1da177e4 LT |
1257 | config SWAP_IO_SPACE |
1258 | bool | |
1259 | ||
e2defae5 TB |
1260 | config SGI_HAS_INDYDOG |
1261 | bool | |
1262 | ||
5b438c44 TB |
1263 | config SGI_HAS_HAL2 |
1264 | bool | |
1265 | ||
e2defae5 TB |
1266 | config SGI_HAS_SEEQ |
1267 | bool | |
1268 | ||
1269 | config SGI_HAS_WD93 | |
1270 | bool | |
1271 | ||
1272 | config SGI_HAS_ZILOG | |
1273 | bool | |
1274 | ||
1275 | config SGI_HAS_I8042 | |
1276 | bool | |
1277 | ||
1278 | config DEFAULT_SGI_PARTITION | |
1279 | bool | |
1280 | ||
0e2794b0 | 1281 | config FW_ARC32 |
5e83d430 RB |
1282 | bool |
1283 | ||
aaa9fad3 | 1284 | config FW_SNIPROM |
231a35d3 TB |
1285 | bool |
1286 | ||
1da177e4 LT |
1287 | config BOOT_ELF32 |
1288 | bool | |
1da177e4 | 1289 | |
930beb5a FF |
1290 | config MIPS_L1_CACHE_SHIFT_4 |
1291 | bool | |
1292 | ||
1293 | config MIPS_L1_CACHE_SHIFT_5 | |
1294 | bool | |
1295 | ||
1296 | config MIPS_L1_CACHE_SHIFT_6 | |
1297 | bool | |
1298 | ||
1299 | config MIPS_L1_CACHE_SHIFT_7 | |
1300 | bool | |
1301 | ||
1da177e4 LT |
1302 | config MIPS_L1_CACHE_SHIFT |
1303 | int | |
a4c0201e | 1304 | default "7" if MIPS_L1_CACHE_SHIFT_7 |
5432eeb6 KC |
1305 | default "6" if MIPS_L1_CACHE_SHIFT_6 |
1306 | default "5" if MIPS_L1_CACHE_SHIFT_5 | |
1307 | default "4" if MIPS_L1_CACHE_SHIFT_4 | |
1da177e4 LT |
1308 | default "5" |
1309 | ||
1da177e4 LT |
1310 | config HAVE_STD_PC_SERIAL_PORT |
1311 | bool | |
1312 | ||
1da177e4 LT |
1313 | config ARC_CONSOLE |
1314 | bool "ARC console support" | |
e2defae5 | 1315 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1316 | |
1317 | config ARC_MEMORY | |
1318 | bool | |
14b36af4 | 1319 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1320 | default y |
1321 | ||
1322 | config ARC_PROMLIB | |
1323 | bool | |
e2defae5 | 1324 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1325 | default y |
1326 | ||
0e2794b0 | 1327 | config FW_ARC64 |
1da177e4 | 1328 | bool |
1da177e4 LT |
1329 | |
1330 | config BOOT_ELF64 | |
1331 | bool | |
1da177e4 | 1332 | |
1da177e4 LT |
1333 | menu "CPU selection" |
1334 | ||
1335 | choice | |
1336 | prompt "CPU type" | |
1337 | default CPU_R4X00 | |
1338 | ||
0e476d91 HC |
1339 | config CPU_LOONGSON3 |
1340 | bool "Loongson 3 CPU" | |
1341 | depends on SYS_HAS_CPU_LOONGSON3 | |
1342 | select CPU_SUPPORTS_64BIT_KERNEL | |
1343 | select CPU_SUPPORTS_HIGHMEM | |
1344 | select CPU_SUPPORTS_HUGEPAGES | |
1345 | select WEAK_ORDERING | |
1346 | select WEAK_REORDERING_BEYOND_LLSC | |
cbfb3ea7 | 1347 | select ARCH_REQUIRE_GPIOLIB |
0e476d91 HC |
1348 | help |
1349 | The Loongson 3 processor implements the MIPS64R2 instruction | |
1350 | set with many extensions. | |
1351 | ||
3702bba5 WZ |
1352 | config CPU_LOONGSON2E |
1353 | bool "Loongson 2E" | |
1354 | depends on SYS_HAS_CPU_LOONGSON2E | |
1355 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1356 | help |
1357 | The Loongson 2E processor implements the MIPS III instruction set | |
1358 | with many extensions. | |
1359 | ||
25985edc | 1360 | It has an internal FPGA northbridge, which is compatible to |
6f7a251a WZ |
1361 | bonito64. |
1362 | ||
1363 | config CPU_LOONGSON2F | |
1364 | bool "Loongson 2F" | |
1365 | depends on SYS_HAS_CPU_LOONGSON2F | |
1366 | select CPU_LOONGSON2 | |
c197da91 | 1367 | select ARCH_REQUIRE_GPIOLIB |
6f7a251a WZ |
1368 | help |
1369 | The Loongson 2F processor implements the MIPS III instruction set | |
1370 | with many extensions. | |
1371 | ||
1372 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1373 | have a similar programming interface with FPGA northbridge used in | |
1374 | Loongson2E. | |
1375 | ||
ca585cf9 KC |
1376 | config CPU_LOONGSON1B |
1377 | bool "Loongson 1B" | |
1378 | depends on SYS_HAS_CPU_LOONGSON1B | |
1379 | select CPU_LOONGSON1 | |
1380 | help | |
1381 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1382 | release 2 instruction set. | |
1383 | ||
6e760c8d RB |
1384 | config CPU_MIPS32_R1 |
1385 | bool "MIPS32 Release 1" | |
7cf8053b | 1386 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1387 | select CPU_HAS_PREFETCH |
797798c1 | 1388 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1389 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1390 | help |
5e83d430 | 1391 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1392 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1393 | MIPS processor are based on a MIPS32 processor. If you know the | |
1394 | specific type of processor in your system, choose those that one | |
1395 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1396 | Release 2 of the MIPS32 architecture is available since several | |
1397 | years so chances are you even have a MIPS32 Release 2 processor | |
1398 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1399 | performance. | |
1400 | ||
1401 | config CPU_MIPS32_R2 | |
1402 | bool "MIPS32 Release 2" | |
7cf8053b | 1403 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1404 | select CPU_HAS_PREFETCH |
797798c1 | 1405 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1406 | select CPU_SUPPORTS_HIGHMEM |
a5e9a69e | 1407 | select CPU_SUPPORTS_MSA |
2235a54d | 1408 | select HAVE_KVM |
6e760c8d | 1409 | help |
5e83d430 | 1410 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1411 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1412 | MIPS processor are based on a MIPS32 processor. If you know the | |
1413 | specific type of processor in your system, choose those that one | |
1414 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1415 | ||
7fd08ca5 | 1416 | config CPU_MIPS32_R6 |
674d10e2 | 1417 | bool "MIPS32 Release 6" |
7fd08ca5 LY |
1418 | depends on SYS_HAS_CPU_MIPS32_R6 |
1419 | select CPU_HAS_PREFETCH | |
1420 | select CPU_SUPPORTS_32BIT_KERNEL | |
1421 | select CPU_SUPPORTS_HIGHMEM | |
1422 | select CPU_SUPPORTS_MSA | |
4e0748f5 | 1423 | select GENERIC_CSUM |
7fd08ca5 LY |
1424 | select HAVE_KVM |
1425 | select MIPS_O32_FP64_SUPPORT | |
1426 | help | |
1427 | Choose this option to build a kernel for release 6 or later of the | |
1428 | MIPS32 architecture. New MIPS processors, starting with the Warrior | |
1429 | family, are based on a MIPS32r6 processor. If you own an older | |
1430 | processor, you probably need to select MIPS32r1 or MIPS32r2 instead. | |
1431 | ||
6e760c8d RB |
1432 | config CPU_MIPS64_R1 |
1433 | bool "MIPS64 Release 1" | |
7cf8053b | 1434 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1435 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1436 | select CPU_SUPPORTS_32BIT_KERNEL |
1437 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1438 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1439 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1440 | help |
1441 | Choose this option to build a kernel for release 1 or later of the | |
1442 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1443 | MIPS processor are based on a MIPS64 processor. If you know the | |
1444 | specific type of processor in your system, choose those that one | |
1445 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1446 | Release 2 of the MIPS64 architecture is available since several |
1447 | years so chances are you even have a MIPS64 Release 2 processor | |
1448 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1449 | performance. | |
1450 | ||
1451 | config CPU_MIPS64_R2 | |
1452 | bool "MIPS64 Release 2" | |
7cf8053b | 1453 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1454 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1455 | select CPU_SUPPORTS_32BIT_KERNEL |
1456 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1457 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1458 | select CPU_SUPPORTS_HUGEPAGES |
a5e9a69e | 1459 | select CPU_SUPPORTS_MSA |
1e5f1caa RB |
1460 | help |
1461 | Choose this option to build a kernel for release 2 or later of the | |
1462 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1463 | MIPS processor are based on a MIPS64 processor. If you know the | |
1464 | specific type of processor in your system, choose those that one | |
1465 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 | 1466 | |
7fd08ca5 | 1467 | config CPU_MIPS64_R6 |
674d10e2 | 1468 | bool "MIPS64 Release 6" |
7fd08ca5 LY |
1469 | depends on SYS_HAS_CPU_MIPS64_R6 |
1470 | select CPU_HAS_PREFETCH | |
1471 | select CPU_SUPPORTS_32BIT_KERNEL | |
1472 | select CPU_SUPPORTS_64BIT_KERNEL | |
1473 | select CPU_SUPPORTS_HIGHMEM | |
1474 | select CPU_SUPPORTS_MSA | |
4e0748f5 | 1475 | select GENERIC_CSUM |
4e9d324d | 1476 | select MIPS_O32_FP64_SUPPORT if MIPS32_O32 |
7fd08ca5 LY |
1477 | help |
1478 | Choose this option to build a kernel for release 6 or later of the | |
1479 | MIPS64 architecture. New MIPS processors, starting with the Warrior | |
1480 | family, are based on a MIPS64r6 processor. If you own an older | |
1481 | processor, you probably need to select MIPS64r1 or MIPS64r2 instead. | |
1482 | ||
1da177e4 LT |
1483 | config CPU_R3000 |
1484 | bool "R3000" | |
7cf8053b | 1485 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1486 | select CPU_HAS_WB |
ed5ba2fb | 1487 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1488 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1489 | help |
1490 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1491 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1492 | *not* work on R4000 machines and vice versa. However, since most | |
1493 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1494 | might be a safe bet. If the resulting kernel does not work, | |
1495 | try to recompile with R3000. | |
1496 | ||
1497 | config CPU_TX39XX | |
1498 | bool "R39XX" | |
7cf8053b | 1499 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1500 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1501 | |
1502 | config CPU_VR41XX | |
1503 | bool "R41xx" | |
7cf8053b | 1504 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1505 | select CPU_SUPPORTS_32BIT_KERNEL |
1506 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1507 | help |
5e83d430 | 1508 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1509 | Only choose this option if you have one of these processors as a |
1510 | kernel built with this option will not run on any other type of | |
1511 | processor or vice versa. | |
1512 | ||
1513 | config CPU_R4300 | |
1514 | bool "R4300" | |
7cf8053b | 1515 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1516 | select CPU_SUPPORTS_32BIT_KERNEL |
1517 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1518 | help |
1519 | MIPS Technologies R4300-series processors. | |
1520 | ||
1521 | config CPU_R4X00 | |
1522 | bool "R4x00" | |
7cf8053b | 1523 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1524 | select CPU_SUPPORTS_32BIT_KERNEL |
1525 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1526 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1527 | help |
1528 | MIPS Technologies R4000-series processors other than 4300, including | |
1529 | the R4000, R4400, R4600, and 4700. | |
1530 | ||
1531 | config CPU_TX49XX | |
1532 | bool "R49XX" | |
7cf8053b | 1533 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1534 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1535 | select CPU_SUPPORTS_32BIT_KERNEL |
1536 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1537 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1538 | |
1539 | config CPU_R5000 | |
1540 | bool "R5000" | |
7cf8053b | 1541 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1542 | select CPU_SUPPORTS_32BIT_KERNEL |
1543 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1544 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1545 | help |
1546 | MIPS Technologies R5000-series processors other than the Nevada. | |
1547 | ||
1548 | config CPU_R5432 | |
1549 | bool "R5432" | |
7cf8053b | 1550 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1551 | select CPU_SUPPORTS_32BIT_KERNEL |
1552 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1553 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 | 1554 | |
542c1020 SK |
1555 | config CPU_R5500 |
1556 | bool "R5500" | |
1557 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1558 | select CPU_SUPPORTS_32BIT_KERNEL |
1559 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1560 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1561 | help |
1562 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1563 | instruction set. | |
1564 | ||
1da177e4 LT |
1565 | config CPU_R6000 |
1566 | bool "R6000" | |
7cf8053b | 1567 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1568 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1569 | help |
1570 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1571 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1572 | |
1573 | config CPU_NEVADA | |
1574 | bool "RM52xx" | |
7cf8053b | 1575 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1576 | select CPU_SUPPORTS_32BIT_KERNEL |
1577 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1578 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1579 | help |
1580 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1581 | ||
1582 | config CPU_R8000 | |
1583 | bool "R8000" | |
7cf8053b | 1584 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1585 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1586 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1587 | help |
1588 | MIPS Technologies R8000 processors. Note these processors are | |
1589 | uncommon and the support for them is incomplete. | |
1590 | ||
1591 | config CPU_R10000 | |
1592 | bool "R10000" | |
7cf8053b | 1593 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1594 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1595 | select CPU_SUPPORTS_32BIT_KERNEL |
1596 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1597 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1598 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1599 | help |
1600 | MIPS Technologies R10000-series processors. | |
1601 | ||
1602 | config CPU_RM7000 | |
1603 | bool "RM7000" | |
7cf8053b | 1604 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1605 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1606 | select CPU_SUPPORTS_32BIT_KERNEL |
1607 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1608 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1609 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1610 | |
1611 | config CPU_SB1 | |
1612 | bool "SB1" | |
7cf8053b | 1613 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1614 | select CPU_SUPPORTS_32BIT_KERNEL |
1615 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1616 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1617 | select CPU_SUPPORTS_HUGEPAGES |
0004a9df | 1618 | select WEAK_ORDERING |
1da177e4 | 1619 | |
a86c7f72 DD |
1620 | config CPU_CAVIUM_OCTEON |
1621 | bool "Cavium Octeon processor" | |
5e683389 | 1622 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
1623 | select CPU_HAS_PREFETCH |
1624 | select CPU_SUPPORTS_64BIT_KERNEL | |
a86c7f72 | 1625 | select WEAK_ORDERING |
a86c7f72 | 1626 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1627 | select CPU_SUPPORTS_HUGEPAGES |
df115f3e BH |
1628 | select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN |
1629 | select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN | |
930beb5a | 1630 | select MIPS_L1_CACHE_SHIFT_7 |
a86c7f72 DD |
1631 | help |
1632 | The Cavium Octeon processor is a highly integrated chip containing | |
1633 | many ethernet hardware widgets for networking tasks. The processor | |
1634 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1635 | Full details can be found at http://www.caviumnetworks.com. | |
1636 | ||
cd746249 JG |
1637 | config CPU_BMIPS |
1638 | bool "Broadcom BMIPS" | |
1639 | depends on SYS_HAS_CPU_BMIPS | |
1640 | select CPU_MIPS32 | |
fe7f62c0 | 1641 | select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 |
cd746249 JG |
1642 | select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 |
1643 | select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 | |
1644 | select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 | |
1645 | select CPU_SUPPORTS_32BIT_KERNEL | |
1646 | select DMA_NONCOHERENT | |
67e38cf2 | 1647 | select IRQ_MIPS_CPU |
cd746249 JG |
1648 | select SWAP_IO_SPACE |
1649 | select WEAK_ORDERING | |
c1c0c461 | 1650 | select CPU_SUPPORTS_HIGHMEM |
69aaf9c8 | 1651 | select CPU_HAS_PREFETCH |
c1c0c461 | 1652 | help |
fe7f62c0 | 1653 | Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. |
c1c0c461 | 1654 | |
7f058e85 J |
1655 | config CPU_XLR |
1656 | bool "Netlogic XLR SoC" | |
1657 | depends on SYS_HAS_CPU_XLR | |
1658 | select CPU_SUPPORTS_32BIT_KERNEL | |
1659 | select CPU_SUPPORTS_64BIT_KERNEL | |
1660 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1661 | select CPU_SUPPORTS_HUGEPAGES |
7f058e85 J |
1662 | select WEAK_ORDERING |
1663 | select WEAK_REORDERING_BEYOND_LLSC | |
7f058e85 J |
1664 | help |
1665 | Netlogic Microsystems XLR/XLS processors. | |
1c773ea4 J |
1666 | |
1667 | config CPU_XLP | |
1668 | bool "Netlogic XLP SoC" | |
1669 | depends on SYS_HAS_CPU_XLP | |
1670 | select CPU_SUPPORTS_32BIT_KERNEL | |
1671 | select CPU_SUPPORTS_64BIT_KERNEL | |
1672 | select CPU_SUPPORTS_HIGHMEM | |
1c773ea4 J |
1673 | select WEAK_ORDERING |
1674 | select WEAK_REORDERING_BEYOND_LLSC | |
1675 | select CPU_HAS_PREFETCH | |
d6504846 | 1676 | select CPU_MIPSR2 |
ddba6833 | 1677 | select CPU_SUPPORTS_HUGEPAGES |
1c773ea4 J |
1678 | help |
1679 | Netlogic Microsystems XLP processors. | |
1da177e4 LT |
1680 | endchoice |
1681 | ||
a6e18781 LY |
1682 | config CPU_MIPS32_3_5_FEATURES |
1683 | bool "MIPS32 Release 3.5 Features" | |
1684 | depends on SYS_HAS_CPU_MIPS32_R3_5 | |
7fd08ca5 | 1685 | depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 |
a6e18781 LY |
1686 | help |
1687 | Choose this option to build a kernel for release 2 or later of the | |
1688 | MIPS32 architecture including features from the 3.5 release such as | |
1689 | support for Enhanced Virtual Addressing (EVA). | |
1690 | ||
1691 | config CPU_MIPS32_3_5_EVA | |
1692 | bool "Enhanced Virtual Addressing (EVA)" | |
1693 | depends on CPU_MIPS32_3_5_FEATURES | |
1694 | select EVA | |
1695 | default y | |
1696 | help | |
1697 | Choose this option if you want to enable the Enhanced Virtual | |
1698 | Addressing (EVA) on your MIPS32 core (such as proAptiv). | |
1699 | One of its primary benefits is an increase in the maximum size | |
1700 | of lowmem (up to 3GB). If unsure, say 'N' here. | |
1701 | ||
c5b36783 SH |
1702 | config CPU_MIPS32_R5_FEATURES |
1703 | bool "MIPS32 Release 5 Features" | |
1704 | depends on SYS_HAS_CPU_MIPS32_R5 | |
1705 | depends on CPU_MIPS32_R2 | |
1706 | help | |
1707 | Choose this option to build a kernel for release 2 or later of the | |
1708 | MIPS32 architecture including features from release 5 such as | |
1709 | support for Extended Physical Addressing (XPA). | |
1710 | ||
1711 | config CPU_MIPS32_R5_XPA | |
1712 | bool "Extended Physical Addressing (XPA)" | |
1713 | depends on CPU_MIPS32_R5_FEATURES | |
1714 | depends on !EVA | |
1715 | depends on !PAGE_SIZE_4KB | |
1716 | depends on SYS_SUPPORTS_HIGHMEM | |
1717 | select XPA | |
1718 | select HIGHMEM | |
1719 | select ARCH_PHYS_ADDR_T_64BIT | |
1720 | default n | |
1721 | help | |
1722 | Choose this option if you want to enable the Extended Physical | |
1723 | Addressing (XPA) on your MIPS32 core (such as P5600 series). The | |
1724 | benefit is to increase physical addressing equal to or greater | |
1725 | than 40 bits. Note that this has the side effect of turning on | |
1726 | 64-bit addressing which in turn makes the PTEs 64-bit in size. | |
1727 | If unsure, say 'N' here. | |
1728 | ||
622844bf WZ |
1729 | if CPU_LOONGSON2F |
1730 | config CPU_NOP_WORKAROUNDS | |
1731 | bool | |
1732 | ||
1733 | config CPU_JUMP_WORKAROUNDS | |
1734 | bool | |
1735 | ||
1736 | config CPU_LOONGSON2F_WORKAROUNDS | |
1737 | bool "Loongson 2F Workarounds" | |
1738 | default y | |
1739 | select CPU_NOP_WORKAROUNDS | |
1740 | select CPU_JUMP_WORKAROUNDS | |
1741 | help | |
1742 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1743 | require workarounds. Without workarounds the system may hang | |
1744 | unexpectedly. For more information please refer to the gas | |
1745 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1746 | ||
1747 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1748 | are needed. The workarounds have no significant side effect on them | |
1749 | but may decrease the performance of the system so this option should | |
1750 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1751 | systems. | |
1752 | ||
1753 | If unsure, please say Y. | |
1754 | endif # CPU_LOONGSON2F | |
1755 | ||
1b93b3c3 WZ |
1756 | config SYS_SUPPORTS_ZBOOT |
1757 | bool | |
1758 | select HAVE_KERNEL_GZIP | |
1759 | select HAVE_KERNEL_BZIP2 | |
31c4867d | 1760 | select HAVE_KERNEL_LZ4 |
1b93b3c3 | 1761 | select HAVE_KERNEL_LZMA |
fe1d45e0 | 1762 | select HAVE_KERNEL_LZO |
4e23eb63 | 1763 | select HAVE_KERNEL_XZ |
1b93b3c3 WZ |
1764 | |
1765 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1766 | bool | |
1767 | select SYS_SUPPORTS_ZBOOT | |
1768 | ||
dbb98314 AB |
1769 | config SYS_SUPPORTS_ZBOOT_UART_PROM |
1770 | bool | |
1771 | select SYS_SUPPORTS_ZBOOT | |
1772 | ||
3702bba5 WZ |
1773 | config CPU_LOONGSON2 |
1774 | bool | |
1775 | select CPU_SUPPORTS_32BIT_KERNEL | |
1776 | select CPU_SUPPORTS_64BIT_KERNEL | |
1777 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1778 | select CPU_SUPPORTS_HUGEPAGES |
3702bba5 | 1779 | |
ca585cf9 KC |
1780 | config CPU_LOONGSON1 |
1781 | bool | |
1782 | select CPU_MIPS32 | |
1783 | select CPU_MIPSR2 | |
1784 | select CPU_HAS_PREFETCH | |
1785 | select CPU_SUPPORTS_32BIT_KERNEL | |
1786 | select CPU_SUPPORTS_HIGHMEM | |
f29ad10d | 1787 | select CPU_SUPPORTS_CPUFREQ |
ca585cf9 | 1788 | |
fe7f62c0 | 1789 | config CPU_BMIPS32_3300 |
04fa8bf7 | 1790 | select SMP_UP if SMP |
1bbb6c1b | 1791 | bool |
cd746249 JG |
1792 | |
1793 | config CPU_BMIPS4350 | |
1794 | bool | |
1795 | select SYS_SUPPORTS_SMP | |
1796 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1797 | ||
1798 | config CPU_BMIPS4380 | |
1799 | bool | |
bbf2ba67 | 1800 | select MIPS_L1_CACHE_SHIFT_6 |
cd746249 JG |
1801 | select SYS_SUPPORTS_SMP |
1802 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1803 | ||
1804 | config CPU_BMIPS5000 | |
1805 | bool | |
cd746249 | 1806 | select MIPS_CPU_SCACHE |
bbf2ba67 | 1807 | select MIPS_L1_CACHE_SHIFT_7 |
cd746249 JG |
1808 | select SYS_SUPPORTS_SMP |
1809 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1bbb6c1b | 1810 | |
0e476d91 HC |
1811 | config SYS_HAS_CPU_LOONGSON3 |
1812 | bool | |
1813 | select CPU_SUPPORTS_CPUFREQ | |
1814 | ||
3702bba5 | 1815 | config SYS_HAS_CPU_LOONGSON2E |
2a21c730 FZ |
1816 | bool |
1817 | ||
6f7a251a WZ |
1818 | config SYS_HAS_CPU_LOONGSON2F |
1819 | bool | |
55045ff5 WZ |
1820 | select CPU_SUPPORTS_CPUFREQ |
1821 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1822 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1823 | |
ca585cf9 KC |
1824 | config SYS_HAS_CPU_LOONGSON1B |
1825 | bool | |
1826 | ||
7cf8053b RB |
1827 | config SYS_HAS_CPU_MIPS32_R1 |
1828 | bool | |
1829 | ||
1830 | config SYS_HAS_CPU_MIPS32_R2 | |
1831 | bool | |
1832 | ||
a6e18781 LY |
1833 | config SYS_HAS_CPU_MIPS32_R3_5 |
1834 | bool | |
1835 | ||
c5b36783 SH |
1836 | config SYS_HAS_CPU_MIPS32_R5 |
1837 | bool | |
1838 | ||
7fd08ca5 LY |
1839 | config SYS_HAS_CPU_MIPS32_R6 |
1840 | bool | |
1841 | ||
7cf8053b RB |
1842 | config SYS_HAS_CPU_MIPS64_R1 |
1843 | bool | |
1844 | ||
1845 | config SYS_HAS_CPU_MIPS64_R2 | |
1846 | bool | |
1847 | ||
7fd08ca5 LY |
1848 | config SYS_HAS_CPU_MIPS64_R6 |
1849 | bool | |
1850 | ||
7cf8053b RB |
1851 | config SYS_HAS_CPU_R3000 |
1852 | bool | |
1853 | ||
1854 | config SYS_HAS_CPU_TX39XX | |
1855 | bool | |
1856 | ||
1857 | config SYS_HAS_CPU_VR41XX | |
1858 | bool | |
1859 | ||
1860 | config SYS_HAS_CPU_R4300 | |
1861 | bool | |
1862 | ||
1863 | config SYS_HAS_CPU_R4X00 | |
1864 | bool | |
1865 | ||
1866 | config SYS_HAS_CPU_TX49XX | |
1867 | bool | |
1868 | ||
1869 | config SYS_HAS_CPU_R5000 | |
1870 | bool | |
1871 | ||
1872 | config SYS_HAS_CPU_R5432 | |
1873 | bool | |
1874 | ||
542c1020 SK |
1875 | config SYS_HAS_CPU_R5500 |
1876 | bool | |
1877 | ||
7cf8053b RB |
1878 | config SYS_HAS_CPU_R6000 |
1879 | bool | |
1880 | ||
1881 | config SYS_HAS_CPU_NEVADA | |
1882 | bool | |
1883 | ||
1884 | config SYS_HAS_CPU_R8000 | |
1885 | bool | |
1886 | ||
1887 | config SYS_HAS_CPU_R10000 | |
1888 | bool | |
1889 | ||
1890 | config SYS_HAS_CPU_RM7000 | |
1891 | bool | |
1892 | ||
7cf8053b RB |
1893 | config SYS_HAS_CPU_SB1 |
1894 | bool | |
1895 | ||
5e683389 DD |
1896 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1897 | bool | |
1898 | ||
cd746249 | 1899 | config SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1900 | bool |
1901 | ||
fe7f62c0 | 1902 | config SYS_HAS_CPU_BMIPS32_3300 |
c1c0c461 | 1903 | bool |
cd746249 | 1904 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1905 | |
1906 | config SYS_HAS_CPU_BMIPS4350 | |
1907 | bool | |
cd746249 | 1908 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1909 | |
1910 | config SYS_HAS_CPU_BMIPS4380 | |
1911 | bool | |
cd746249 | 1912 | select SYS_HAS_CPU_BMIPS |
c1c0c461 KC |
1913 | |
1914 | config SYS_HAS_CPU_BMIPS5000 | |
1915 | bool | |
cd746249 | 1916 | select SYS_HAS_CPU_BMIPS |
c1c0c461 | 1917 | |
7f058e85 J |
1918 | config SYS_HAS_CPU_XLR |
1919 | bool | |
1920 | ||
1c773ea4 J |
1921 | config SYS_HAS_CPU_XLP |
1922 | bool | |
1923 | ||
b6911bba PB |
1924 | config MIPS_MALTA_PM |
1925 | depends on MIPS_MALTA | |
1926 | depends on PCI | |
1927 | bool | |
1928 | default y | |
1929 | ||
17099b11 RB |
1930 | # |
1931 | # CPU may reorder R->R, R->W, W->R, W->W | |
1932 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1933 | # | |
0004a9df RB |
1934 | config WEAK_ORDERING |
1935 | bool | |
17099b11 RB |
1936 | |
1937 | # | |
1938 | # CPU may reorder reads and writes beyond LL/SC | |
1939 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1940 | # | |
1941 | config WEAK_REORDERING_BEYOND_LLSC | |
1942 | bool | |
5e83d430 RB |
1943 | endmenu |
1944 | ||
1945 | # | |
c09b47d8 | 1946 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1947 | # |
1948 | config CPU_MIPS32 | |
1949 | bool | |
7fd08ca5 | 1950 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 |
5e83d430 RB |
1951 | |
1952 | config CPU_MIPS64 | |
1953 | bool | |
7fd08ca5 | 1954 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 |
5e83d430 RB |
1955 | |
1956 | # | |
c09b47d8 | 1957 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1958 | # |
1959 | config CPU_MIPSR1 | |
1960 | bool | |
1961 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1962 | ||
1963 | config CPU_MIPSR2 | |
1964 | bool | |
a86c7f72 | 1965 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
a7e07b1a | 1966 | select MIPS_SPRAM |
5e83d430 | 1967 | |
7fd08ca5 LY |
1968 | config CPU_MIPSR6 |
1969 | bool | |
1970 | default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 | |
a7e07b1a | 1971 | select MIPS_SPRAM |
5e83d430 | 1972 | |
a6e18781 LY |
1973 | config EVA |
1974 | bool | |
1975 | ||
c5b36783 SH |
1976 | config XPA |
1977 | bool | |
1978 | ||
5e83d430 RB |
1979 | config SYS_SUPPORTS_32BIT_KERNEL |
1980 | bool | |
1981 | config SYS_SUPPORTS_64BIT_KERNEL | |
1982 | bool | |
1983 | config CPU_SUPPORTS_32BIT_KERNEL | |
1984 | bool | |
1985 | config CPU_SUPPORTS_64BIT_KERNEL | |
1986 | bool | |
55045ff5 WZ |
1987 | config CPU_SUPPORTS_CPUFREQ |
1988 | bool | |
1989 | config CPU_SUPPORTS_ADDRWINCFG | |
1990 | bool | |
9cffd154 DD |
1991 | config CPU_SUPPORTS_HUGEPAGES |
1992 | bool | |
22f1fdfd WZ |
1993 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1994 | bool | |
82622284 DD |
1995 | config MIPS_PGD_C0_CONTEXT |
1996 | bool | |
d6504846 | 1997 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP |
5e83d430 | 1998 | |
8192c9ea DD |
1999 | # |
2000 | # Set to y for ptrace access to watch registers. | |
2001 | # | |
2002 | config HARDWARE_WATCHPOINTS | |
2003 | bool | |
679eb637 | 2004 | default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 |
8192c9ea | 2005 | |
5e83d430 RB |
2006 | menu "Kernel type" |
2007 | ||
2008 | choice | |
5e83d430 RB |
2009 | prompt "Kernel code model" |
2010 | help | |
2011 | You should only select this option if you have a workload that | |
2012 | actually benefits from 64-bit processing or if your machine has | |
2013 | large memory. You will only be presented a single option in this | |
2014 | menu if your system does not support both 32-bit and 64-bit kernels. | |
2015 | ||
2016 | config 32BIT | |
2017 | bool "32-bit kernel" | |
2018 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
2019 | select TRAD_SIGNALS | |
2020 | help | |
2021 | Select this option if you want to build a 32-bit kernel. | |
f17c4ca3 | 2022 | |
5e83d430 RB |
2023 | config 64BIT |
2024 | bool "64-bit kernel" | |
2025 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
2026 | help | |
2027 | Select this option if you want to build a 64-bit kernel. | |
2028 | ||
2029 | endchoice | |
2030 | ||
2235a54d SL |
2031 | config KVM_GUEST |
2032 | bool "KVM Guest Kernel" | |
f2a5b1d7 | 2033 | depends on BROKEN_ON_SMP |
2235a54d | 2034 | help |
caa1faa7 JH |
2035 | Select this option if building a guest kernel for KVM (Trap & Emulate) |
2036 | mode. | |
2235a54d | 2037 | |
eda3d33c JH |
2038 | config KVM_GUEST_TIMER_FREQ |
2039 | int "Count/Compare Timer Frequency (MHz)" | |
2235a54d | 2040 | depends on KVM_GUEST |
eda3d33c | 2041 | default 100 |
2235a54d | 2042 | help |
eda3d33c JH |
2043 | Set this to non-zero if building a guest kernel for KVM to skip RTC |
2044 | emulation when determining guest CPU Frequency. Instead, the guest's | |
2045 | timer frequency is specified directly. | |
2235a54d | 2046 | |
1da177e4 LT |
2047 | choice |
2048 | prompt "Kernel page size" | |
2049 | default PAGE_SIZE_4KB | |
2050 | ||
2051 | config PAGE_SIZE_4KB | |
2052 | bool "4kB" | |
0e476d91 | 2053 | depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 |
1da177e4 LT |
2054 | help |
2055 | This option select the standard 4kB Linux page size. On some | |
2056 | R3000-family processors this is the only available page size. Using | |
2057 | 4kB page size will minimize memory consumption and is therefore | |
2058 | recommended for low memory systems. | |
2059 | ||
2060 | config PAGE_SIZE_8KB | |
2061 | bool "8kB" | |
7d60717e | 2062 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON |
1da177e4 LT |
2063 | help |
2064 | Using 8kB page size will result in higher performance kernel at | |
2065 | the price of higher memory consumption. This option is available | |
c52399be RB |
2066 | only on R8000 and cnMIPS processors. Note that you will need a |
2067 | suitable Linux distribution to support this. | |
1da177e4 LT |
2068 | |
2069 | config PAGE_SIZE_16KB | |
2070 | bool "16kB" | |
714bfad6 | 2071 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
2072 | help |
2073 | Using 16kB page size will result in higher performance kernel at | |
2074 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
2075 | all non-R3000 family processors. Note that you will need a suitable |
2076 | Linux distribution to support this. | |
1da177e4 | 2077 | |
c52399be RB |
2078 | config PAGE_SIZE_32KB |
2079 | bool "32kB" | |
2080 | depends on CPU_CAVIUM_OCTEON | |
2081 | help | |
2082 | Using 32kB page size will result in higher performance kernel at | |
2083 | the price of higher memory consumption. This option is available | |
2084 | only on cnMIPS cores. Note that you will need a suitable Linux | |
2085 | distribution to support this. | |
2086 | ||
1da177e4 LT |
2087 | config PAGE_SIZE_64KB |
2088 | bool "64kB" | |
74c81ecd | 2089 | depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 |
1da177e4 LT |
2090 | help |
2091 | Using 64kB page size will result in higher performance kernel at | |
2092 | the price of higher memory consumption. This option is available on | |
2093 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 2094 | writing this option is still high experimental. |
1da177e4 LT |
2095 | |
2096 | endchoice | |
2097 | ||
c9bace7c DD |
2098 | config FORCE_MAX_ZONEORDER |
2099 | int "Maximum zone order" | |
e4362d1e AS |
2100 | range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB |
2101 | default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB | |
2102 | range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2103 | default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB | |
2104 | range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
2105 | default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB | |
c9bace7c DD |
2106 | range 11 64 |
2107 | default "11" | |
2108 | help | |
2109 | The kernel memory allocator divides physically contiguous memory | |
2110 | blocks into "zones", where each zone is a power of two number of | |
2111 | pages. This option selects the largest power of two that the kernel | |
2112 | keeps in the memory allocator. If you need to allocate very large | |
2113 | blocks of physically contiguous memory, then you may need to | |
2114 | increase this value. | |
2115 | ||
2116 | This config option is actually maximum order plus one. For example, | |
2117 | a value of 11 means that the largest free memory block is 2^10 pages. | |
2118 | ||
2119 | The page size is not necessarily 4KB. Keep this in mind | |
2120 | when choosing a value for this option. | |
2121 | ||
1da177e4 LT |
2122 | config BOARD_SCACHE |
2123 | bool | |
2124 | ||
2125 | config IP22_CPU_SCACHE | |
2126 | bool | |
2127 | select BOARD_SCACHE | |
2128 | ||
9318c51a CD |
2129 | # |
2130 | # Support for a MIPS32 / MIPS64 style S-caches | |
2131 | # | |
2132 | config MIPS_CPU_SCACHE | |
2133 | bool | |
2134 | select BOARD_SCACHE | |
2135 | ||
1da177e4 LT |
2136 | config R5000_CPU_SCACHE |
2137 | bool | |
2138 | select BOARD_SCACHE | |
2139 | ||
2140 | config RM7000_CPU_SCACHE | |
2141 | bool | |
2142 | select BOARD_SCACHE | |
2143 | ||
2144 | config SIBYTE_DMA_PAGEOPS | |
2145 | bool "Use DMA to clear/copy pages" | |
2146 | depends on CPU_SB1 | |
2147 | help | |
2148 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
2149 | channel. These DMA channels are otherwise unused by the standard | |
2150 | SiByte Linux port. Seems to give a small performance benefit. | |
2151 | ||
2152 | config CPU_HAS_PREFETCH | |
c8094b53 | 2153 | bool |
1da177e4 | 2154 | |
3165c846 FF |
2155 | config CPU_GENERIC_DUMP_TLB |
2156 | bool | |
2157 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
2158 | ||
91405eb6 FF |
2159 | config CPU_R4K_FPU |
2160 | bool | |
2161 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2162 | ||
62cedc4f FF |
2163 | config CPU_R4K_CACHE_TLB |
2164 | bool | |
2165 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
2166 | ||
59d6ab86 | 2167 | config MIPS_MT_SMP |
a92b7f87 | 2168 | bool "MIPS MT SMP support (1 TC on each available VPE)" |
5676319c | 2169 | depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 |
f7062ddb | 2170 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 2171 | select CPU_MIPSR2_IRQ_EI |
c080faa5 | 2172 | select SYNC_R4K |
f41ae0b2 | 2173 | select MIPS_MT |
41c594ab | 2174 | select SMP |
87353d8a | 2175 | select SMP_UP |
c080faa5 SH |
2176 | select SYS_SUPPORTS_SMP |
2177 | select SYS_SUPPORTS_SCHED_SMT | |
399aaa25 | 2178 | select MIPS_PERF_SHARED_TC_COUNTERS |
f41ae0b2 | 2179 | help |
c080faa5 SH |
2180 | This is a kernel model which is known as SMVP. This is supported |
2181 | on cores with the MT ASE and uses the available VPEs to implement | |
2182 | virtual processors which supports SMP. This is equivalent to the | |
2183 | Intel Hyperthreading feature. For further information go to | |
2184 | <http://www.imgtec.com/mips/mips-multithreading.asp>. | |
41c594ab | 2185 | |
f41ae0b2 RB |
2186 | config MIPS_MT |
2187 | bool | |
2188 | ||
0ab7aefc RB |
2189 | config SCHED_SMT |
2190 | bool "SMT (multithreading) scheduler support" | |
2191 | depends on SYS_SUPPORTS_SCHED_SMT | |
2192 | default n | |
2193 | help | |
2194 | SMT scheduler support improves the CPU scheduler's decision making | |
2195 | when dealing with MIPS MT enabled cores at a cost of slightly | |
2196 | increased overhead in some places. If unsure say N here. | |
2197 | ||
2198 | config SYS_SUPPORTS_SCHED_SMT | |
2199 | bool | |
2200 | ||
f41ae0b2 RB |
2201 | config SYS_SUPPORTS_MULTITHREADING |
2202 | bool | |
2203 | ||
f088fc84 RB |
2204 | config MIPS_MT_FPAFF |
2205 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 2206 | default y |
b633648c | 2207 | depends on MIPS_MT_SMP |
07cc0c9e | 2208 | |
b0a668fb LY |
2209 | config MIPSR2_TO_R6_EMULATOR |
2210 | bool "MIPS R2-to-R6 emulator" | |
2211 | depends on CPU_MIPSR6 && !SMP | |
2212 | default y | |
2213 | help | |
2214 | Choose this option if you want to run non-R6 MIPS userland code. | |
2215 | Even if you say 'Y' here, the emulator will still be disabled by | |
07edf0d4 | 2216 | default. You can enable it using the 'mipsr2emu' kernel option. |
b0a668fb LY |
2217 | The only reason this is a build-time option is to save ~14K from the |
2218 | final kernel image. | |
2219 | comment "MIPS R2-to-R6 emulator is only available for UP kernels" | |
2220 | depends on SMP && CPU_MIPSR6 | |
2221 | ||
07cc0c9e RB |
2222 | config MIPS_VPE_LOADER |
2223 | bool "VPE loader support." | |
704e6460 | 2224 | depends on SYS_SUPPORTS_MULTITHREADING && MODULES |
07cc0c9e RB |
2225 | select CPU_MIPSR2_IRQ_VI |
2226 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
2227 | select MIPS_MT |
2228 | help | |
2229 | Includes a loader for loading an elf relocatable object | |
2230 | onto another VPE and running it. | |
f088fc84 | 2231 | |
17a1d523 DCZ |
2232 | config MIPS_VPE_LOADER_CMP |
2233 | bool | |
2234 | default "y" | |
2235 | depends on MIPS_VPE_LOADER && MIPS_CMP | |
2236 | ||
1a2a6d7e DCZ |
2237 | config MIPS_VPE_LOADER_MT |
2238 | bool | |
2239 | default "y" | |
2240 | depends on MIPS_VPE_LOADER && !MIPS_CMP | |
2241 | ||
e01402b1 RB |
2242 | config MIPS_VPE_LOADER_TOM |
2243 | bool "Load VPE program into memory hidden from linux" | |
2244 | depends on MIPS_VPE_LOADER | |
2245 | default y | |
2246 | help | |
2247 | The loader can use memory that is present but has been hidden from | |
2248 | Linux using the kernel command line option "mem=xxMB". It's up to | |
2249 | you to ensure the amount you put in the option and the space your | |
2250 | program requires is less or equal to the amount physically present. | |
2251 | ||
e01402b1 | 2252 | config MIPS_VPE_APSP_API |
5e83d430 RB |
2253 | bool "Enable support for AP/SP API (RTLX)" |
2254 | depends on MIPS_VPE_LOADER | |
2255 | help | |
e01402b1 | 2256 | |
da615cf6 DCZ |
2257 | config MIPS_VPE_APSP_API_CMP |
2258 | bool | |
2259 | default "y" | |
2260 | depends on MIPS_VPE_APSP_API && MIPS_CMP | |
2261 | ||
2c973ef0 DCZ |
2262 | config MIPS_VPE_APSP_API_MT |
2263 | bool | |
2264 | default "y" | |
2265 | depends on MIPS_VPE_APSP_API && !MIPS_CMP | |
2266 | ||
4a16ff4c | 2267 | config MIPS_CMP |
5cac93b3 | 2268 | bool "MIPS CMP framework support (DEPRECATED)" |
5676319c | 2269 | depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 |
b10b43ba | 2270 | select SMP |
eb9b5141 | 2271 | select SYNC_R4K |
b10b43ba | 2272 | select SYS_SUPPORTS_SMP |
4a16ff4c RB |
2273 | select WEAK_ORDERING |
2274 | default n | |
2275 | help | |
044505c7 PB |
2276 | Select this if you are using a bootloader which implements the "CMP |
2277 | framework" protocol (ie. YAMON) and want your kernel to make use of | |
2278 | its ability to start secondary CPUs. | |
4a16ff4c | 2279 | |
5cac93b3 PB |
2280 | Unless you have a specific need, you should use CONFIG_MIPS_CPS |
2281 | instead of this. | |
2282 | ||
0ee958e1 PB |
2283 | config MIPS_CPS |
2284 | bool "MIPS Coherent Processing System support" | |
5676319c | 2285 | depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 |
0ee958e1 PB |
2286 | select MIPS_CM |
2287 | select MIPS_CPC | |
1d8f1f5a | 2288 | select MIPS_CPS_PM if HOTPLUG_CPU |
0ee958e1 PB |
2289 | select SMP |
2290 | select SYNC_R4K if (CEVT_R4K || CSRC_R4K) | |
1d8f1f5a | 2291 | select SYS_SUPPORTS_HOTPLUG_CPU |
0ee958e1 PB |
2292 | select SYS_SUPPORTS_SMP |
2293 | select WEAK_ORDERING | |
2294 | help | |
2295 | Select this if you wish to run an SMP kernel across multiple cores | |
2296 | within a MIPS Coherent Processing System. When this option is | |
2297 | enabled the kernel will probe for other cores and boot them with | |
2298 | no external assistance. It is safe to enable this when hardware | |
2299 | support is unavailable. | |
2300 | ||
3179d37e | 2301 | config MIPS_CPS_PM |
39a59593 | 2302 | depends on MIPS_CPS |
a8b84677 | 2303 | select MIPS_CPC |
3179d37e PB |
2304 | bool |
2305 | ||
9f98f3dd PB |
2306 | config MIPS_CM |
2307 | bool | |
2308 | ||
9c38cf44 PB |
2309 | config MIPS_CPC |
2310 | bool | |
4a16ff4c | 2311 | |
1da177e4 LT |
2312 | config SB1_PASS_2_WORKAROUNDS |
2313 | bool | |
2314 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
2315 | default y | |
2316 | ||
2317 | config SB1_PASS_2_1_WORKAROUNDS | |
2318 | bool | |
2319 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
2320 | default y | |
2321 | ||
2235a54d | 2322 | |
60ec6571 | 2323 | config ARCH_PHYS_ADDR_T_64BIT |
34adb28d | 2324 | bool |
60ec6571 | 2325 | |
9e2b5372 MC |
2326 | choice |
2327 | prompt "SmartMIPS or microMIPS ASE support" | |
2328 | ||
2329 | config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS | |
2330 | bool "None" | |
2331 | help | |
2332 | Select this if you want neither microMIPS nor SmartMIPS support | |
2333 | ||
9693a853 FBH |
2334 | config CPU_HAS_SMARTMIPS |
2335 | depends on SYS_SUPPORTS_SMARTMIPS | |
9e2b5372 | 2336 | bool "SmartMIPS" |
9693a853 FBH |
2337 | help |
2338 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2339 | increased security at both hardware and software level for | |
2340 | smartcards. Enabling this option will allow proper use of the | |
2341 | SmartMIPS instructions by Linux applications. However a kernel with | |
2342 | this option will not work on a MIPS core without SmartMIPS core. If | |
2343 | you don't know you probably don't have SmartMIPS and should say N | |
2344 | here. | |
2345 | ||
bce86083 | 2346 | config CPU_MICROMIPS |
7fd08ca5 | 2347 | depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 |
9e2b5372 | 2348 | bool "microMIPS" |
bce86083 SH |
2349 | help |
2350 | When this option is enabled the kernel will be built using the | |
2351 | microMIPS ISA | |
2352 | ||
9e2b5372 MC |
2353 | endchoice |
2354 | ||
a5e9a69e | 2355 | config CPU_HAS_MSA |
0ce3417e | 2356 | bool "Support for the MIPS SIMD Architecture" |
a5e9a69e | 2357 | depends on CPU_SUPPORTS_MSA |
2a6cb669 | 2358 | depends on 64BIT || MIPS_O32_FP64_SUPPORT |
a5e9a69e PB |
2359 | help |
2360 | MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers | |
2361 | and a set of SIMD instructions to operate on them. When this option | |
1db1af84 PB |
2362 | is enabled the kernel will support allocating & switching MSA |
2363 | vector register contexts. If you know that your kernel will only be | |
2364 | running on CPUs which do not support MSA or that your userland will | |
2365 | not be making use of it then you may wish to say N here to reduce | |
2366 | the size & complexity of your kernel. | |
a5e9a69e PB |
2367 | |
2368 | If unsure, say Y. | |
2369 | ||
1da177e4 | 2370 | config CPU_HAS_WB |
f7062ddb | 2371 | bool |
e01402b1 | 2372 | |
df0ac8a4 KC |
2373 | config XKS01 |
2374 | bool | |
2375 | ||
f41ae0b2 RB |
2376 | # |
2377 | # Vectored interrupt mode is an R2 feature | |
2378 | # | |
e01402b1 | 2379 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 2380 | bool |
e01402b1 | 2381 | |
f41ae0b2 RB |
2382 | # |
2383 | # Extended interrupt mode is an R2 feature | |
2384 | # | |
e01402b1 | 2385 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 2386 | bool |
e01402b1 | 2387 | |
1da177e4 LT |
2388 | config CPU_HAS_SYNC |
2389 | bool | |
2390 | depends on !CPU_R3000 | |
2391 | default y | |
2392 | ||
20d60d99 MR |
2393 | # |
2394 | # CPU non-features | |
2395 | # | |
2396 | config CPU_DADDI_WORKAROUNDS | |
2397 | bool | |
2398 | ||
2399 | config CPU_R4000_WORKAROUNDS | |
2400 | bool | |
2401 | select CPU_R4400_WORKAROUNDS | |
2402 | ||
2403 | config CPU_R4400_WORKAROUNDS | |
2404 | bool | |
2405 | ||
1da177e4 LT |
2406 | # |
2407 | # - Highmem only makes sense for the 32-bit kernel. | |
2408 | # - The current highmem code will only work properly on physically indexed | |
2409 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2410 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2411 | # moment we protect the user and offer the highmem option only on machines | |
2412 | # where it's known to be safe. This will not offer highmem on a few systems | |
2413 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2414 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
2415 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
2416 | # know they might have memory configurations that could make use of highmem | |
2417 | # support. | |
1da177e4 LT |
2418 | # |
2419 | config HIGHMEM | |
2420 | bool "High Memory Support" | |
a6e18781 | 2421 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA |
797798c1 RB |
2422 | |
2423 | config CPU_SUPPORTS_HIGHMEM | |
2424 | bool | |
2425 | ||
2426 | config SYS_SUPPORTS_HIGHMEM | |
2427 | bool | |
1da177e4 | 2428 | |
9693a853 FBH |
2429 | config SYS_SUPPORTS_SMARTMIPS |
2430 | bool | |
2431 | ||
a6a4834c SH |
2432 | config SYS_SUPPORTS_MICROMIPS |
2433 | bool | |
2434 | ||
377cb1b6 RB |
2435 | config SYS_SUPPORTS_MIPS16 |
2436 | bool | |
2437 | help | |
2438 | This option must be set if a kernel might be executed on a MIPS16- | |
2439 | enabled CPU even if MIPS16 is not actually being used. In other | |
2440 | words, it makes the kernel MIPS16-tolerant. | |
2441 | ||
a5e9a69e PB |
2442 | config CPU_SUPPORTS_MSA |
2443 | bool | |
2444 | ||
b4819b59 YY |
2445 | config ARCH_FLATMEM_ENABLE |
2446 | def_bool y | |
f133f22d | 2447 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 2448 | |
d8cb4e11 RB |
2449 | config ARCH_DISCONTIGMEM_ENABLE |
2450 | bool | |
2451 | default y if SGI_IP27 | |
2452 | help | |
3dde6ad8 | 2453 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
2454 | for architectures which are either NUMA (Non-Uniform Memory Access) |
2455 | or have huge holes in the physical address space for other reasons. | |
2456 | See <file:Documentation/vm/numa> for more. | |
2457 | ||
31473747 AN |
2458 | config ARCH_SPARSEMEM_ENABLE |
2459 | bool | |
7de58fab | 2460 | select SPARSEMEM_STATIC |
31473747 | 2461 | |
d8cb4e11 RB |
2462 | config NUMA |
2463 | bool "NUMA Support" | |
2464 | depends on SYS_SUPPORTS_NUMA | |
2465 | help | |
2466 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2467 | Access). This option improves performance on systems with more | |
2468 | than two nodes; on two node systems it is generally better to | |
2469 | leave it disabled; on single node systems disable this option | |
2470 | disabled. | |
2471 | ||
2472 | config SYS_SUPPORTS_NUMA | |
2473 | bool | |
2474 | ||
c80d79d7 YG |
2475 | config NODES_SHIFT |
2476 | int | |
2477 | default "6" | |
2478 | depends on NEED_MULTIPLE_NODES | |
2479 | ||
14f70012 DCZ |
2480 | config HW_PERF_EVENTS |
2481 | bool "Enable hardware performance counter support for perf events" | |
f14ceff7 | 2482 | depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) |
14f70012 DCZ |
2483 | default y |
2484 | help | |
2485 | Enable hardware performance counter support for perf events. If | |
2486 | disabled, perf events will use software events only. | |
2487 | ||
b4819b59 YY |
2488 | source "mm/Kconfig" |
2489 | ||
1da177e4 LT |
2490 | config SMP |
2491 | bool "Multi-Processing support" | |
e73ea273 RB |
2492 | depends on SYS_SUPPORTS_SMP |
2493 | help | |
1da177e4 | 2494 | This enables support for systems with more than one CPU. If you have |
4a474157 RG |
2495 | a system with only one CPU, say N. If you have a system with more |
2496 | than one CPU, say Y. | |
1da177e4 | 2497 | |
4a474157 | 2498 | If you say N here, the kernel will run on uni- and multiprocessor |
1da177e4 LT |
2499 | machines, but will use only one CPU of a multiprocessor machine. If |
2500 | you say Y here, the kernel will run on many, but not all, | |
4a474157 | 2501 | uniprocessor machines. On a uniprocessor machine, the kernel |
1da177e4 LT |
2502 | will run faster if you say N here. |
2503 | ||
2504 | People using multiprocessor machines who say Y here should also say | |
2505 | Y to "Enhanced Real Time Clock Support", below. | |
2506 | ||
03502faa AB |
2507 | See also the SMP-HOWTO available at |
2508 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2509 | |
2510 | If you don't know what to do here, say N. | |
2511 | ||
87353d8a RB |
2512 | config SMP_UP |
2513 | bool | |
2514 | ||
4a16ff4c RB |
2515 | config SYS_SUPPORTS_MIPS_CMP |
2516 | bool | |
2517 | ||
0ee958e1 PB |
2518 | config SYS_SUPPORTS_MIPS_CPS |
2519 | bool | |
2520 | ||
e73ea273 RB |
2521 | config SYS_SUPPORTS_SMP |
2522 | bool | |
2523 | ||
130e2fb7 RB |
2524 | config NR_CPUS_DEFAULT_4 |
2525 | bool | |
2526 | ||
2527 | config NR_CPUS_DEFAULT_8 | |
2528 | bool | |
2529 | ||
2530 | config NR_CPUS_DEFAULT_16 | |
2531 | bool | |
2532 | ||
2533 | config NR_CPUS_DEFAULT_32 | |
2534 | bool | |
2535 | ||
2536 | config NR_CPUS_DEFAULT_64 | |
2537 | bool | |
2538 | ||
1da177e4 | 2539 | config NR_CPUS |
a91796a9 J |
2540 | int "Maximum number of CPUs (2-256)" |
2541 | range 2 256 | |
1da177e4 | 2542 | depends on SMP |
130e2fb7 RB |
2543 | default "4" if NR_CPUS_DEFAULT_4 |
2544 | default "8" if NR_CPUS_DEFAULT_8 | |
2545 | default "16" if NR_CPUS_DEFAULT_16 | |
2546 | default "32" if NR_CPUS_DEFAULT_32 | |
2547 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2548 | help |
2549 | This allows you to specify the maximum number of CPUs which this | |
2550 | kernel will support. The maximum supported value is 32 for 32-bit | |
2551 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2552 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2553 | and 2 for all others. | |
1da177e4 LT |
2554 | |
2555 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2556 | approximately eight kilobytes to the kernel image. For best |
2557 | performance should round up your number of processors to the next | |
2558 | power of two. | |
1da177e4 | 2559 | |
399aaa25 AC |
2560 | config MIPS_PERF_SHARED_TC_COUNTERS |
2561 | bool | |
2562 | ||
1723b4a3 AN |
2563 | # |
2564 | # Timer Interrupt Frequency Configuration | |
2565 | # | |
2566 | ||
2567 | choice | |
2568 | prompt "Timer frequency" | |
2569 | default HZ_250 | |
2570 | help | |
2571 | Allows the configuration of the timer frequency. | |
2572 | ||
67596573 PB |
2573 | config HZ_24 |
2574 | bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ | |
2575 | ||
1723b4a3 | 2576 | config HZ_48 |
0f873585 | 2577 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2578 | |
2579 | config HZ_100 | |
2580 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2581 | ||
2582 | config HZ_128 | |
2583 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2584 | ||
2585 | config HZ_250 | |
2586 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2587 | ||
2588 | config HZ_256 | |
2589 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2590 | ||
2591 | config HZ_1000 | |
2592 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2593 | ||
2594 | config HZ_1024 | |
2595 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2596 | ||
2597 | endchoice | |
2598 | ||
67596573 PB |
2599 | config SYS_SUPPORTS_24HZ |
2600 | bool | |
2601 | ||
1723b4a3 AN |
2602 | config SYS_SUPPORTS_48HZ |
2603 | bool | |
2604 | ||
2605 | config SYS_SUPPORTS_100HZ | |
2606 | bool | |
2607 | ||
2608 | config SYS_SUPPORTS_128HZ | |
2609 | bool | |
2610 | ||
2611 | config SYS_SUPPORTS_250HZ | |
2612 | bool | |
2613 | ||
2614 | config SYS_SUPPORTS_256HZ | |
2615 | bool | |
2616 | ||
2617 | config SYS_SUPPORTS_1000HZ | |
2618 | bool | |
2619 | ||
2620 | config SYS_SUPPORTS_1024HZ | |
2621 | bool | |
2622 | ||
2623 | config SYS_SUPPORTS_ARBIT_HZ | |
2624 | bool | |
67596573 PB |
2625 | default y if !SYS_SUPPORTS_24HZ && \ |
2626 | !SYS_SUPPORTS_48HZ && \ | |
2627 | !SYS_SUPPORTS_100HZ && \ | |
2628 | !SYS_SUPPORTS_128HZ && \ | |
2629 | !SYS_SUPPORTS_250HZ && \ | |
2630 | !SYS_SUPPORTS_256HZ && \ | |
2631 | !SYS_SUPPORTS_1000HZ && \ | |
1723b4a3 AN |
2632 | !SYS_SUPPORTS_1024HZ |
2633 | ||
2634 | config HZ | |
2635 | int | |
67596573 | 2636 | default 24 if HZ_24 |
1723b4a3 AN |
2637 | default 48 if HZ_48 |
2638 | default 100 if HZ_100 | |
2639 | default 128 if HZ_128 | |
2640 | default 250 if HZ_250 | |
2641 | default 256 if HZ_256 | |
2642 | default 1000 if HZ_1000 | |
2643 | default 1024 if HZ_1024 | |
2644 | ||
96685b17 DCZ |
2645 | config SCHED_HRTICK |
2646 | def_bool HIGH_RES_TIMERS | |
2647 | ||
e80de850 | 2648 | source "kernel/Kconfig.preempt" |
1da177e4 | 2649 | |
ea6e942b | 2650 | config KEXEC |
7d60717e | 2651 | bool "Kexec system call" |
2965faa5 | 2652 | select KEXEC_CORE |
ea6e942b AN |
2653 | help |
2654 | kexec is a system call that implements the ability to shutdown your | |
2655 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2656 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2657 | you can start any kernel with it, not just Linux. |
2658 | ||
01dd2fbf | 2659 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2660 | |
2661 | It is an ongoing process to be certain the hardware in a machine | |
2662 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
2663 | initially work for you. As of this writing the exact hardware |
2664 | interface is strongly in flux, so no good recommendation can be | |
2665 | made. | |
ea6e942b | 2666 | |
7aa1c8f4 RB |
2667 | config CRASH_DUMP |
2668 | bool "Kernel crash dumps" | |
2669 | help | |
2670 | Generate crash dump after being started by kexec. | |
2671 | This should be normally only set in special crash dump kernels | |
2672 | which are loaded in the main kernel with kexec-tools into | |
2673 | a specially reserved region and then later executed after | |
2674 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2675 | to a memory address not used by the main kernel or firmware using | |
2676 | PHYSICAL_START. | |
2677 | ||
2678 | config PHYSICAL_START | |
2679 | hex "Physical address where the kernel is loaded" | |
2680 | default "0xffffffff84000000" if 64BIT | |
2681 | default "0x84000000" if 32BIT | |
2682 | depends on CRASH_DUMP | |
2683 | help | |
2684 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2685 | If you plan to use kernel for capturing the crash dump change | |
2686 | this value to start of the reserved region (the "X" value as | |
2687 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2688 | passed to the panic-ed kernel). | |
2689 | ||
ea6e942b AN |
2690 | config SECCOMP |
2691 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2692 | depends on PROC_FS |
ea6e942b AN |
2693 | default y |
2694 | help | |
2695 | This kernel feature is useful for number crunching applications | |
2696 | that may need to compute untrusted bytecode during their | |
2697 | execution. By using pipes or other transports made available to | |
2698 | the process as file descriptors supporting the read/write | |
2699 | syscalls, it's possible to isolate those applications in | |
2700 | their own address space using seccomp. Once seccomp is | |
2701 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2702 | and the task is only allowed to execute a few safe syscalls | |
2703 | defined by each seccomp mode. | |
2704 | ||
2705 | If unsure, say Y. Only embedded should say N here. | |
2706 | ||
597ce172 | 2707 | config MIPS_O32_FP64_SUPPORT |
0ce3417e | 2708 | bool "Support for O32 binaries using 64-bit FP" |
597ce172 | 2709 | depends on 32BIT || MIPS32_O32 |
597ce172 PB |
2710 | help |
2711 | When this is enabled, the kernel will support use of 64-bit floating | |
2712 | point registers with binaries using the O32 ABI along with the | |
2713 | EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On | |
2714 | 32-bit MIPS systems this support is at the cost of increasing the | |
2715 | size and complexity of the compiled FPU emulator. Thus if you are | |
2716 | running a MIPS32 system and know that none of your userland binaries | |
2717 | will require 64-bit floating point, you may wish to reduce the size | |
2718 | of your kernel & potentially improve FP emulation performance by | |
2719 | saying N here. | |
2720 | ||
06e2e882 PB |
2721 | Although binutils currently supports use of this flag the details |
2722 | concerning its effect upon the O32 ABI in userland are still being | |
2723 | worked on. In order to avoid userland becoming dependant upon current | |
2724 | behaviour before the details have been finalised, this option should | |
2725 | be considered experimental and only enabled by those working upon | |
2726 | said details. | |
2727 | ||
2728 | If unsure, say N. | |
597ce172 | 2729 | |
f2ffa5ab | 2730 | config USE_OF |
0b3e06fd | 2731 | bool |
f2ffa5ab | 2732 | select OF |
e6ce1324 | 2733 | select OF_EARLY_FLATTREE |
abd2363f | 2734 | select IRQ_DOMAIN |
f2ffa5ab | 2735 | |
7fafb068 AB |
2736 | config BUILTIN_DTB |
2737 | bool | |
2738 | ||
1da8f179 | 2739 | choice |
5b24d52c | 2740 | prompt "Kernel appended dtb support" if USE_OF |
1da8f179 JG |
2741 | default MIPS_NO_APPENDED_DTB |
2742 | ||
2743 | config MIPS_NO_APPENDED_DTB | |
2744 | bool "None" | |
2745 | help | |
2746 | Do not enable appended dtb support. | |
2747 | ||
87db537d AK |
2748 | config MIPS_ELF_APPENDED_DTB |
2749 | bool "vmlinux" | |
2750 | help | |
2751 | With this option, the boot code will look for a device tree binary | |
2752 | DTB) included in the vmlinux ELF section .appended_dtb. By default | |
2753 | it is empty and the DTB can be appended using binutils command | |
2754 | objcopy: | |
2755 | ||
2756 | objcopy --update-section .appended_dtb=<filename>.dtb vmlinux | |
2757 | ||
2758 | This is meant as a backward compatiblity convenience for those | |
2759 | systems with a bootloader that can't be upgraded to accommodate | |
2760 | the documented boot protocol using a device tree. | |
2761 | ||
1da8f179 JG |
2762 | config MIPS_RAW_APPENDED_DTB |
2763 | bool "vmlinux.bin" | |
2764 | help | |
2765 | With this option, the boot code will look for a device tree binary | |
2766 | DTB) appended to raw vmlinux.bin (without decompressor). | |
2767 | (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). | |
2768 | ||
2769 | This is meant as a backward compatibility convenience for those | |
2770 | systems with a bootloader that can't be upgraded to accommodate | |
2771 | the documented boot protocol using a device tree. | |
2772 | ||
2773 | Beware that there is very little in terms of protection against | |
2774 | this option being confused by leftover garbage in memory that might | |
2775 | look like a DTB header after a reboot if no actual DTB is appended | |
2776 | to vmlinux.bin. Do not leave this option active in a production kernel | |
2777 | if you don't intend to always append a DTB. | |
c0b4e101 JG |
2778 | |
2779 | config MIPS_ZBOOT_APPENDED_DTB | |
2780 | bool "vmlinuz.bin" | |
2781 | depends on SYS_SUPPORTS_ZBOOT | |
2782 | help | |
2783 | With this option, the boot code will look for a device tree binary | |
2784 | DTB) appended to raw vmlinuz.bin (with decompressor). | |
2785 | (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). | |
2786 | ||
2787 | This is meant as a backward compatibility convenience for those | |
2788 | systems with a bootloader that can't be upgraded to accommodate | |
2789 | the documented boot protocol using a device tree. | |
2790 | ||
2791 | Beware that there is very little in terms of protection against | |
2792 | this option being confused by leftover garbage in memory that might | |
2793 | look like a DTB header after a reboot if no actual DTB is appended | |
2794 | to vmlinuz.bin. Do not leave this option active in a production kernel | |
2795 | if you don't intend to always append a DTB. | |
1da8f179 JG |
2796 | endchoice |
2797 | ||
2024972e JG |
2798 | choice |
2799 | prompt "Kernel command line type" if !CMDLINE_OVERRIDE | |
2bcef9b4 JG |
2800 | default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ |
2801 | !MIPS_MALTA && !MIPS_SEAD3 && \ | |
2802 | !CAVIUM_OCTEON_SOC | |
2024972e JG |
2803 | default MIPS_CMDLINE_FROM_BOOTLOADER |
2804 | ||
2805 | config MIPS_CMDLINE_FROM_DTB | |
2806 | depends on USE_OF | |
2807 | bool "Dtb kernel arguments if available" | |
2808 | ||
2809 | config MIPS_CMDLINE_DTB_EXTEND | |
2810 | depends on USE_OF | |
2811 | bool "Extend dtb kernel arguments with bootloader arguments" | |
2812 | ||
2813 | config MIPS_CMDLINE_FROM_BOOTLOADER | |
2814 | bool "Bootloader kernel arguments if available" | |
2815 | endchoice | |
2816 | ||
5e83d430 RB |
2817 | endmenu |
2818 | ||
1df0f0ff AN |
2819 | config LOCKDEP_SUPPORT |
2820 | bool | |
2821 | default y | |
2822 | ||
2823 | config STACKTRACE_SUPPORT | |
2824 | bool | |
2825 | default y | |
2826 | ||
e1e16115 AK |
2827 | config HAVE_LATENCYTOP_SUPPORT |
2828 | bool | |
2829 | default y | |
2830 | ||
a728ab52 KS |
2831 | config PGTABLE_LEVELS |
2832 | int | |
2833 | default 3 if 64BIT && !PAGE_SIZE_64KB | |
2834 | default 2 | |
2835 | ||
b6c3539b RB |
2836 | source "init/Kconfig" |
2837 | ||
dc52ddc0 MH |
2838 | source "kernel/Kconfig.freezer" |
2839 | ||
1da177e4 LT |
2840 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2841 | ||
5e83d430 RB |
2842 | config HW_HAS_EISA |
2843 | bool | |
1da177e4 LT |
2844 | config HW_HAS_PCI |
2845 | bool | |
2846 | ||
2847 | config PCI | |
2848 | bool "Support for PCI controller" | |
2849 | depends on HW_HAS_PCI | |
abb4ae46 | 2850 | select PCI_DOMAINS |
0f3b3956 | 2851 | select NO_GENERIC_PCI_IOPORT_MAP |
1da177e4 LT |
2852 | help |
2853 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2854 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2855 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2856 | say Y, otherwise N. | |
2857 | ||
0e476d91 HC |
2858 | config HT_PCI |
2859 | bool "Support for HT-linked PCI" | |
2860 | default y | |
2861 | depends on CPU_LOONGSON3 | |
2862 | select PCI | |
2863 | select PCI_DOMAINS | |
2864 | help | |
2865 | Loongson family machines use Hyper-Transport bus for inter-core | |
2866 | connection and device connection. The PCI bus is a subordinate | |
2867 | linked at HT. Choose Y for Loongson-3 based machines. | |
2868 | ||
1da177e4 LT |
2869 | config PCI_DOMAINS |
2870 | bool | |
1da177e4 LT |
2871 | |
2872 | source "drivers/pci/Kconfig" | |
2873 | ||
2874 | # | |
2875 | # ISA support is now enabled via select. Too many systems still have the one | |
2876 | # or other ISA chip on the board that users don't know about so don't expect | |
2877 | # users to choose the right thing ... | |
2878 | # | |
2879 | config ISA | |
2880 | bool | |
2881 | ||
2882 | config EISA | |
2883 | bool "EISA support" | |
5e83d430 | 2884 | depends on HW_HAS_EISA |
1da177e4 | 2885 | select ISA |
aa414dff | 2886 | select GENERIC_ISA_DMA |
1da177e4 LT |
2887 | ---help--- |
2888 | The Extended Industry Standard Architecture (EISA) bus was | |
2889 | developed as an open alternative to the IBM MicroChannel bus. | |
2890 | ||
2891 | The EISA bus provided some of the features of the IBM MicroChannel | |
2892 | bus while maintaining backward compatibility with cards made for | |
2893 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2894 | 1995 when it was made obsolete by the PCI bus. | |
2895 | ||
2896 | Say Y here if you are building a kernel for an EISA-based machine. | |
2897 | ||
2898 | Otherwise, say N. | |
2899 | ||
2900 | source "drivers/eisa/Kconfig" | |
2901 | ||
2902 | config TC | |
2903 | bool "TURBOchannel support" | |
2904 | depends on MACH_DECSTATION | |
2905 | help | |
50a23e6e JM |
2906 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2907 | processors. TURBOchannel programming specifications are available | |
2908 | at: | |
2909 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2910 | and: | |
2911 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2912 | Linux driver support status is documented at: | |
2913 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 | 2914 | |
1da177e4 LT |
2915 | config MMU |
2916 | bool | |
2917 | default y | |
2918 | ||
d865bea4 RB |
2919 | config I8253 |
2920 | bool | |
798778b8 | 2921 | select CLKSRC_I8253 |
2d02612f | 2922 | select CLKEVT_I8253 |
9726b43a | 2923 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2924 | |
e05eb3f8 RB |
2925 | config ZONE_DMA |
2926 | bool | |
2927 | ||
cce335ae RB |
2928 | config ZONE_DMA32 |
2929 | bool | |
2930 | ||
1da177e4 LT |
2931 | source "drivers/pcmcia/Kconfig" |
2932 | ||
388b78ad | 2933 | config RAPIDIO |
56abde72 | 2934 | tristate "RapidIO support" |
388b78ad AB |
2935 | depends on PCI |
2936 | default n | |
2937 | help | |
2938 | If you say Y here, the kernel will include drivers and | |
2939 | infrastructure code to support RapidIO interconnect devices. | |
2940 | ||
2941 | source "drivers/rapidio/Kconfig" | |
2942 | ||
1da177e4 LT |
2943 | endmenu |
2944 | ||
2945 | menu "Executable file formats" | |
2946 | ||
2947 | source "fs/Kconfig.binfmt" | |
2948 | ||
2949 | config TRAD_SIGNALS | |
2950 | bool | |
1da177e4 | 2951 | |
1da177e4 | 2952 | config MIPS32_COMPAT |
78aaf956 | 2953 | bool |
1da177e4 LT |
2954 | |
2955 | config COMPAT | |
2956 | bool | |
1da177e4 | 2957 | |
05e43966 AN |
2958 | config SYSVIPC_COMPAT |
2959 | bool | |
05e43966 | 2960 | |
1da177e4 LT |
2961 | config MIPS32_O32 |
2962 | bool "Kernel support for o32 binaries" | |
78aaf956 RB |
2963 | depends on 64BIT |
2964 | select ARCH_WANT_OLD_COMPAT_IPC | |
2965 | select COMPAT | |
2966 | select MIPS32_COMPAT | |
2967 | select SYSVIPC_COMPAT if SYSVIPC | |
1da177e4 LT |
2968 | help |
2969 | Select this option if you want to run o32 binaries. These are pure | |
2970 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2971 | existing binaries are in this format. | |
2972 | ||
2973 | If unsure, say Y. | |
2974 | ||
2975 | config MIPS32_N32 | |
2976 | bool "Kernel support for n32 binaries" | |
c22eacfe | 2977 | depends on 64BIT |
78aaf956 RB |
2978 | select COMPAT |
2979 | select MIPS32_COMPAT | |
2980 | select SYSVIPC_COMPAT if SYSVIPC | |
1da177e4 LT |
2981 | help |
2982 | Select this option if you want to run n32 binaries. These are | |
2983 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2984 | data that would normally be 64-bit. They are used in special | |
2985 | cases. | |
2986 | ||
2987 | If unsure, say N. | |
2988 | ||
2989 | config BINFMT_ELF32 | |
2990 | bool | |
2991 | default y if MIPS32_O32 || MIPS32_N32 | |
2992 | ||
2116245e RB |
2993 | endmenu |
2994 | ||
2995 | menu "Power management options" | |
2996 | ||
363c55ca WZ |
2997 | config ARCH_HIBERNATION_POSSIBLE |
2998 | def_bool y | |
3f5b3e17 | 2999 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 3000 | |
f4cb5700 JB |
3001 | config ARCH_SUSPEND_POSSIBLE |
3002 | def_bool y | |
3f5b3e17 | 3003 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 3004 | |
2116245e | 3005 | source "kernel/power/Kconfig" |
952fa954 | 3006 | |
1da177e4 LT |
3007 | endmenu |
3008 | ||
7a998935 VK |
3009 | config MIPS_EXTERNAL_TIMER |
3010 | bool | |
3011 | ||
7a998935 | 3012 | menu "CPU Power Management" |
c095ebaf PB |
3013 | |
3014 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
7a998935 | 3015 | source "drivers/cpufreq/Kconfig" |
7a998935 | 3016 | endif |
9726b43a | 3017 | |
c095ebaf PB |
3018 | source "drivers/cpuidle/Kconfig" |
3019 | ||
3020 | endmenu | |
3021 | ||
d5950b43 SR |
3022 | source "net/Kconfig" |
3023 | ||
1da177e4 LT |
3024 | source "drivers/Kconfig" |
3025 | ||
98cdee0e RB |
3026 | source "drivers/firmware/Kconfig" |
3027 | ||
1da177e4 LT |
3028 | source "fs/Kconfig" |
3029 | ||
3030 | source "arch/mips/Kconfig.debug" | |
3031 | ||
3032 | source "security/Kconfig" | |
3033 | ||
3034 | source "crypto/Kconfig" | |
3035 | ||
3036 | source "lib/Kconfig" | |
2235a54d SL |
3037 | |
3038 | source "arch/mips/kvm/Kconfig" |