Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
c3fc5cd5 | 4 | select HAVE_CONTEXT_TRACKING |
f8ac0425 | 5 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 6 | select HAVE_IDE |
42d4b839 | 7 | select HAVE_OPROFILE |
7f788d2d DCZ |
8 | select HAVE_PERF_EVENTS |
9 | select PERF_USE_VMALLOC | |
88547001 | 10 | select HAVE_ARCH_KGDB |
c0ff3c53 | 11 | select HAVE_ARCH_TRACEHOOK |
7563bbf8 | 12 | select ARCH_HAVE_CUSTOM_GPIO_H |
d2bb0762 | 13 | select HAVE_FUNCTION_TRACER |
69a7d1b3 | 14 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
538f1952 WZ |
15 | select HAVE_DYNAMIC_FTRACE |
16 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 17 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 18 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
19 | select HAVE_KPROBES |
20 | select HAVE_KRETPROBES | |
b69ec42b | 21 | select HAVE_DEBUG_KMEMLEAK |
1d7bf993 | 22 | select HAVE_SYSCALL_TRACEPOINTS |
e26d196c | 23 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE |
383c97b4 | 24 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT |
21a41faa | 25 | select RTC_LIB if !MACH_LOONGSON |
2b78920d | 26 | select GENERIC_ATOMIC64 if !64BIT |
7463449b | 27 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
48e1fd5a DD |
28 | select HAVE_DMA_ATTRS |
29 | select HAVE_DMA_API_DEBUG | |
3bd27e32 | 30 | select GENERIC_IRQ_PROBE |
f8396c17 | 31 | select GENERIC_IRQ_SHOW |
78857614 | 32 | select GENERIC_PCI_IOMAP |
94bb0c1a | 33 | select HAVE_ARCH_JUMP_LABEL |
c1d7e01d | 34 | select ARCH_WANT_IPC_PARSE_VERSION |
0f462e3c | 35 | select IRQ_FORCED_THREADING |
9d15ffc8 TH |
36 | select HAVE_MEMBLOCK |
37 | select HAVE_MEMBLOCK_NODE_MAP | |
38 | select ARCH_DISCARD_MEMBLOCK | |
360014a3 | 39 | select GENERIC_SMP_IDLE_THREAD |
4b054495 | 40 | select BUILDTIME_EXTABLE_SORT |
cde1794b AMG |
41 | select GENERIC_CLOCKEVENTS |
42 | select GENERIC_CMOS_UPDATE | |
786d35d4 | 43 | select HAVE_MOD_ARCH_SPECIFIC |
4febd95a | 44 | select VIRT_TO_BUS |
2f12fb20 JK |
45 | select MODULES_USE_ELF_REL if MODULES |
46 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
50150d2b | 47 | select CLONE_BACKWARDS |
d1a1dc0b | 48 | select HAVE_DEBUG_STACKOVERFLOW |
1da177e4 | 49 | |
1da177e4 LT |
50 | menu "Machine selection" |
51 | ||
5e83d430 RB |
52 | choice |
53 | prompt "System type" | |
54 | default SGI_IP22 | |
1da177e4 | 55 | |
42a4f17d | 56 | config MIPS_ALCHEMY |
c3543e25 | 57 | bool "Alchemy processor based machines" |
42a4f17d | 58 | select 64BIT_PHYS_ADDR |
f772cdb2 | 59 | select CEVT_R4K |
d7ea335c | 60 | select CSRC_R4K |
42a4f17d ML |
61 | select IRQ_CPU |
62 | select SYS_HAS_CPU_MIPS32_R1 | |
63 | select SYS_SUPPORTS_32BIT_KERNEL | |
64 | select SYS_SUPPORTS_APM_EMULATION | |
efb12436 | 65 | select ARCH_REQUIRE_GPIOLIB |
1b93b3c3 | 66 | select SYS_SUPPORTS_ZBOOT |
37663860 ML |
67 | select USB_ARCH_HAS_OHCI |
68 | select USB_ARCH_HAS_EHCI | |
1da177e4 | 69 | |
7ca5dc14 FF |
70 | config AR7 |
71 | bool "Texas Instruments AR7" | |
72 | select BOOT_ELF32 | |
73 | select DMA_NONCOHERENT | |
74 | select CEVT_R4K | |
75 | select CSRC_R4K | |
76 | select IRQ_CPU | |
77 | select NO_EXCEPT_FILL | |
78 | select SWAP_IO_SPACE | |
79 | select SYS_HAS_CPU_MIPS32_R1 | |
80 | select SYS_HAS_EARLY_PRINTK | |
81 | select SYS_SUPPORTS_32BIT_KERNEL | |
82 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1b93b3c3 | 83 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 84 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 | 85 | select VLYNQ |
8551fb64 | 86 | select HAVE_CLK |
7ca5dc14 FF |
87 | help |
88 | Support for the Texas Instruments AR7 System-on-a-Chip | |
89 | family: TNETD7100, 7200 and 7300. | |
90 | ||
d4a67d9d GJ |
91 | config ATH79 |
92 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
6eae43c5 | 93 | select ARCH_REQUIRE_GPIOLIB |
d4a67d9d GJ |
94 | select BOOT_RAW |
95 | select CEVT_R4K | |
96 | select CSRC_R4K | |
97 | select DMA_NONCOHERENT | |
94638067 | 98 | select HAVE_CLK |
2c4f1ac5 | 99 | select CLKDEV_LOOKUP |
d4a67d9d | 100 | select IRQ_CPU |
0aabf1a4 | 101 | select MIPS_MACHINE |
d4a67d9d GJ |
102 | select SYS_HAS_CPU_MIPS32_R2 |
103 | select SYS_HAS_EARLY_PRINTK | |
104 | select SYS_SUPPORTS_32BIT_KERNEL | |
105 | select SYS_SUPPORTS_BIG_ENDIAN | |
106 | help | |
107 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
108 | ||
1c0c13eb | 109 | config BCM47XX |
c619366e | 110 | bool "Broadcom BCM47XX based boards" |
2da4c74d | 111 | select ARCH_WANT_OPTIONAL_GPIOLIB |
fe08f8c2 | 112 | select BOOT_RAW |
42f77542 | 113 | select CEVT_R4K |
940f6b48 | 114 | select CSRC_R4K |
1c0c13eb | 115 | select DMA_NONCOHERENT |
0e2794b0 | 116 | select FW_CFE |
1c0c13eb AJ |
117 | select HW_HAS_PCI |
118 | select IRQ_CPU | |
314878d2 | 119 | select SYS_HAS_CPU_MIPS32_R1 |
dd54dedd | 120 | select NO_EXCEPT_FILL |
1c0c13eb AJ |
121 | select SYS_SUPPORTS_32BIT_KERNEL |
122 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
25e5fb97 | 123 | select SYS_HAS_EARLY_PRINTK |
1c0c13eb AJ |
124 | help |
125 | Support for BCM47XX based boards | |
126 | ||
e7300d04 MB |
127 | config BCM63XX |
128 | bool "Broadcom BCM63XX based boards" | |
ae8de61c | 129 | select BOOT_RAW |
e7300d04 MB |
130 | select CEVT_R4K |
131 | select CSRC_R4K | |
132 | select DMA_NONCOHERENT | |
133 | select IRQ_CPU | |
134 | select SYS_HAS_CPU_MIPS32_R1 | |
d6e34698 | 135 | select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348 |
e7300d04 MB |
136 | select SYS_SUPPORTS_32BIT_KERNEL |
137 | select SYS_SUPPORTS_BIG_ENDIAN | |
138 | select SYS_HAS_EARLY_PRINTK | |
139 | select SWAP_IO_SPACE | |
140 | select ARCH_REQUIRE_GPIOLIB | |
3e82eeeb | 141 | select HAVE_CLK |
e7300d04 MB |
142 | help |
143 | Support for BCM63XX based boards | |
144 | ||
1da177e4 | 145 | config MIPS_COBALT |
3fa986fa | 146 | bool "Cobalt Server" |
42f77542 | 147 | select CEVT_R4K |
940f6b48 | 148 | select CSRC_R4K |
1097c6ac | 149 | select CEVT_GT641XX |
1da177e4 | 150 | select DMA_NONCOHERENT |
8a8594a7 | 151 | select EARLY_PRINTK_8250 if EARLY_PRINTK |
1da177e4 | 152 | select HW_HAS_PCI |
d865bea4 | 153 | select I8253 |
1da177e4 LT |
154 | select I8259 |
155 | select IRQ_CPU | |
d5ab1a69 | 156 | select IRQ_GT641XX |
252161ec | 157 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 158 | select PCI |
7cf8053b | 159 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 160 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 161 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 162 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 163 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 LT |
164 | |
165 | config MACH_DECSTATION | |
3fa986fa | 166 | bool "DECstations" |
1da177e4 | 167 | select BOOT_ELF32 |
6457d9fc | 168 | select CEVT_DS1287 |
42f77542 | 169 | select CEVT_R4K |
4247417d | 170 | select CSRC_IOASIC |
940f6b48 | 171 | select CSRC_R4K |
20d60d99 MR |
172 | select CPU_DADDI_WORKAROUNDS if 64BIT |
173 | select CPU_R4000_WORKAROUNDS if 64BIT | |
174 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 175 | select DMA_NONCOHERENT |
d388d685 | 176 | select NO_IOPORT |
1da177e4 | 177 | select IRQ_CPU |
7cf8053b RB |
178 | select SYS_HAS_CPU_R3000 |
179 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb | 180 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 181 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 182 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
183 | select SYS_SUPPORTS_128HZ |
184 | select SYS_SUPPORTS_256HZ | |
185 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 186 | help |
1da177e4 LT |
187 | This enables support for DEC's MIPS based workstations. For details |
188 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
189 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
190 | ||
191 | If you have one of the following DECstation Models you definitely | |
192 | want to choose R4xx0 for the CPU Type: | |
193 | ||
9308816c RB |
194 | DECstation 5000/50 |
195 | DECstation 5000/150 | |
196 | DECstation 5000/260 | |
197 | DECsystem 5900/260 | |
1da177e4 LT |
198 | |
199 | otherwise choose R3000. | |
200 | ||
5e83d430 | 201 | config MACH_JAZZ |
3fa986fa | 202 | bool "Jazz family of machines" |
0e2794b0 RB |
203 | select FW_ARC |
204 | select FW_ARC32 | |
5e83d430 | 205 | select ARCH_MAY_HAVE_PC_FDC |
42f77542 | 206 | select CEVT_R4K |
940f6b48 | 207 | select CSRC_R4K |
e2defae5 | 208 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 209 | select GENERIC_ISA_DMA |
8a118c38 | 210 | select HAVE_PCSPKR_PLATFORM |
ea202c63 | 211 | select IRQ_CPU |
d865bea4 | 212 | select I8253 |
5e83d430 RB |
213 | select I8259 |
214 | select ISA | |
7cf8053b | 215 | select SYS_HAS_CPU_R4X00 |
5e83d430 | 216 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 217 | select SYS_SUPPORTS_64BIT_KERNEL |
1723b4a3 | 218 | select SYS_SUPPORTS_100HZ |
1da177e4 | 219 | help |
5e83d430 RB |
220 | This a family of machines based on the MIPS R4030 chipset which was |
221 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 222 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
223 | Olivetti M700-10 workstations. |
224 | ||
5ebabe59 LPC |
225 | config MACH_JZ4740 |
226 | bool "Ingenic JZ4740 based machines" | |
227 | select SYS_HAS_CPU_MIPS32_R1 | |
228 | select SYS_SUPPORTS_32BIT_KERNEL | |
229 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f9c9affc | 230 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5ebabe59 LPC |
231 | select DMA_NONCOHERENT |
232 | select IRQ_CPU | |
5ebabe59 LPC |
233 | select ARCH_REQUIRE_GPIOLIB |
234 | select SYS_HAS_EARLY_PRINTK | |
235 | select HAVE_PWM | |
ab5330eb | 236 | select HAVE_CLK |
83bc7692 | 237 | select GENERIC_IRQ_CHIP |
5ebabe59 | 238 | |
171bb2f1 JC |
239 | config LANTIQ |
240 | bool "Lantiq based platforms" | |
241 | select DMA_NONCOHERENT | |
242 | select IRQ_CPU | |
243 | select CEVT_R4K | |
244 | select CSRC_R4K | |
245 | select SYS_HAS_CPU_MIPS32_R1 | |
246 | select SYS_HAS_CPU_MIPS32_R2 | |
247 | select SYS_SUPPORTS_BIG_ENDIAN | |
248 | select SYS_SUPPORTS_32BIT_KERNEL | |
249 | select SYS_SUPPORTS_MULTITHREADING | |
250 | select SYS_HAS_EARLY_PRINTK | |
251 | select ARCH_REQUIRE_GPIOLIB | |
252 | select SWAP_IO_SPACE | |
253 | select BOOT_RAW | |
287e3f3f JC |
254 | select HAVE_MACH_CLKDEV |
255 | select CLKDEV_LOOKUP | |
a0392222 | 256 | select USE_OF |
3f8c50c9 JC |
257 | select PINCTRL |
258 | select PINCTRL_LANTIQ | |
171bb2f1 | 259 | |
1f21d2bd BM |
260 | config LASAT |
261 | bool "LASAT Networks platforms" | |
42f77542 | 262 | select CEVT_R4K |
940f6b48 | 263 | select CSRC_R4K |
1f21d2bd BM |
264 | select DMA_NONCOHERENT |
265 | select SYS_HAS_EARLY_PRINTK | |
266 | select HW_HAS_PCI | |
a5ccfe5c | 267 | select IRQ_CPU |
1f21d2bd BM |
268 | select PCI_GT64XXX_PCI0 |
269 | select MIPS_NILE4 | |
270 | select R5000_CPU_SCACHE | |
271 | select SYS_HAS_CPU_R5000 | |
272 | select SYS_SUPPORTS_32BIT_KERNEL | |
273 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
274 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 275 | |
85749d24 WZ |
276 | config MACH_LOONGSON |
277 | bool "Loongson family of machines" | |
c7e8c668 | 278 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 279 | help |
85749d24 WZ |
280 | This enables the support of Loongson family of machines. |
281 | ||
282 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
283 | developed at Institute of Computing Technology (ICT), | |
284 | Chinese Academy of Sciences (CAS) in the People's Republic | |
285 | of China. The chief architect is Professor Weiwu Hu. | |
ade299d8 | 286 | |
ca585cf9 KC |
287 | config MACH_LOONGSON1 |
288 | bool "Loongson 1 family of machines" | |
289 | select SYS_SUPPORTS_ZBOOT | |
290 | help | |
291 | This enables support for the Loongson 1 based machines. | |
292 | ||
293 | Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by | |
294 | the ICT (Institute of Computing Technology) and the Chinese Academy | |
295 | of Sciences. | |
296 | ||
1da177e4 | 297 | config MIPS_MALTA |
3fa986fa | 298 | bool "MIPS Malta board" |
61ed242d | 299 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 300 | select BOOT_ELF32 |
fa71c960 | 301 | select BOOT_RAW |
42f77542 | 302 | select CEVT_R4K |
940f6b48 | 303 | select CSRC_R4K |
778eeb1b | 304 | select CSRC_GIC |
1da177e4 LT |
305 | select DMA_NONCOHERENT |
306 | select GENERIC_ISA_DMA | |
8a118c38 | 307 | select HAVE_PCSPKR_PLATFORM |
aa414dff | 308 | select IRQ_CPU |
39b8d525 | 309 | select IRQ_GIC |
1da177e4 | 310 | select HW_HAS_PCI |
d865bea4 | 311 | select I8253 |
1da177e4 | 312 | select I8259 |
5e83d430 | 313 | select MIPS_BONITO64 |
9318c51a | 314 | select MIPS_CPU_SCACHE |
252161ec | 315 | select PCI_GT64XXX_PCI0 |
5e83d430 | 316 | select MIPS_MSC |
1da177e4 | 317 | select SWAP_IO_SPACE |
7cf8053b RB |
318 | select SYS_HAS_CPU_MIPS32_R1 |
319 | select SYS_HAS_CPU_MIPS32_R2 | |
320 | select SYS_HAS_CPU_MIPS64_R1 | |
5d9fbed1 | 321 | select SYS_HAS_CPU_MIPS64_R2 |
7cf8053b RB |
322 | select SYS_HAS_CPU_NEVADA |
323 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 324 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
325 | select SYS_SUPPORTS_32BIT_KERNEL |
326 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
327 | select SYS_SUPPORTS_BIG_ENDIAN |
328 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
0365070f | 329 | select SYS_SUPPORTS_MIPS_CMP |
f41ae0b2 | 330 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 331 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 332 | select SYS_SUPPORTS_ZBOOT |
1da177e4 | 333 | help |
f638d197 | 334 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
335 | board. |
336 | ||
ec47b274 SH |
337 | config MIPS_SEAD3 |
338 | bool "MIPS SEAD3 board" | |
339 | select BOOT_ELF32 | |
340 | select BOOT_RAW | |
341 | select CEVT_R4K | |
342 | select CSRC_R4K | |
dfa762e1 | 343 | select CSRC_GIC |
ec47b274 SH |
344 | select CPU_MIPSR2_IRQ_VI |
345 | select CPU_MIPSR2_IRQ_EI | |
346 | select DMA_NONCOHERENT | |
347 | select IRQ_CPU | |
348 | select IRQ_GIC | |
ec47b274 SH |
349 | select MIPS_MSC |
350 | select SYS_HAS_CPU_MIPS32_R1 | |
351 | select SYS_HAS_CPU_MIPS32_R2 | |
352 | select SYS_HAS_CPU_MIPS64_R1 | |
353 | select SYS_HAS_EARLY_PRINTK | |
354 | select SYS_SUPPORTS_32BIT_KERNEL | |
355 | select SYS_SUPPORTS_64BIT_KERNEL | |
356 | select SYS_SUPPORTS_BIG_ENDIAN | |
357 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
358 | select SYS_SUPPORTS_SMARTMIPS | |
a6a4834c | 359 | select SYS_SUPPORTS_MICROMIPS |
ec47b274 SH |
360 | select USB_ARCH_HAS_EHCI |
361 | select USB_EHCI_BIG_ENDIAN_DESC | |
362 | select USB_EHCI_BIG_ENDIAN_MMIO | |
9b731009 | 363 | select USE_OF |
ec47b274 SH |
364 | help |
365 | This enables support for the MIPS Technologies SEAD3 evaluation | |
366 | board. | |
367 | ||
a83860c2 RB |
368 | config NEC_MARKEINS |
369 | bool "NEC EMMA2RH Mark-eins board" | |
370 | select SOC_EMMA2RH | |
371 | select HW_HAS_PCI | |
372 | help | |
373 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 374 | |
5e83d430 | 375 | config MACH_VR41XX |
74142d65 | 376 | bool "NEC VR4100 series based machines" |
42f77542 | 377 | select CEVT_R4K |
940f6b48 | 378 | select CSRC_R4K |
7cf8053b | 379 | select SYS_HAS_CPU_VR41XX |
27fdd325 | 380 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 381 | |
edb6310a DL |
382 | config NXP_STB220 |
383 | bool "NXP STB220 board" | |
384 | select SOC_PNX833X | |
385 | help | |
386 | Support for NXP Semiconductors STB220 Development Board. | |
387 | ||
388 | config NXP_STB225 | |
389 | bool "NXP 225 board" | |
390 | select SOC_PNX833X | |
391 | select SOC_PNX8335 | |
392 | help | |
393 | Support for NXP Semiconductors STB225 Development Board. | |
394 | ||
9267a30d MSJ |
395 | config PMC_MSP |
396 | bool "PMC-Sierra MSP chipsets" | |
39d30c13 A |
397 | select CEVT_R4K |
398 | select CSRC_R4K | |
9267a30d MSJ |
399 | select DMA_NONCOHERENT |
400 | select SWAP_IO_SPACE | |
401 | select NO_EXCEPT_FILL | |
402 | select BOOT_RAW | |
403 | select SYS_HAS_CPU_MIPS32_R1 | |
404 | select SYS_HAS_CPU_MIPS32_R2 | |
405 | select SYS_SUPPORTS_32BIT_KERNEL | |
406 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
407 | select IRQ_CPU |
408 | select SERIAL_8250 | |
409 | select SERIAL_8250_CONSOLE | |
9296d94d FF |
410 | select USB_EHCI_BIG_ENDIAN_MMIO |
411 | select USB_EHCI_BIG_ENDIAN_DESC | |
9267a30d MSJ |
412 | help |
413 | This adds support for the PMC-Sierra family of Multi-Service | |
414 | Processor System-On-A-Chips. These parts include a number | |
415 | of integrated peripherals, interfaces and DSPs in addition to | |
416 | a variety of MIPS cores. | |
417 | ||
ae2b5bb6 JC |
418 | config RALINK |
419 | bool "Ralink based machines" | |
420 | select CEVT_R4K | |
421 | select CSRC_R4K | |
422 | select BOOT_RAW | |
423 | select DMA_NONCOHERENT | |
424 | select IRQ_CPU | |
425 | select USE_OF | |
426 | select SYS_HAS_CPU_MIPS32_R1 | |
427 | select SYS_HAS_CPU_MIPS32_R2 | |
428 | select SYS_SUPPORTS_32BIT_KERNEL | |
429 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
430 | select SYS_HAS_EARLY_PRINTK | |
431 | select HAVE_MACH_CLKDEV | |
432 | select CLKDEV_LOOKUP | |
2a153f1c JC |
433 | select ARCH_HAS_RESET_CONTROLLER |
434 | select RESET_CONTROLLER | |
ae2b5bb6 | 435 | |
1da177e4 | 436 | config SGI_IP22 |
3fa986fa | 437 | bool "SGI IP22 (Indy/Indigo2)" |
0e2794b0 RB |
438 | select FW_ARC |
439 | select FW_ARC32 | |
1da177e4 | 440 | select BOOT_ELF32 |
42f77542 | 441 | select CEVT_R4K |
940f6b48 | 442 | select CSRC_R4K |
e2defae5 | 443 | select DEFAULT_SGI_PARTITION |
1da177e4 | 444 | select DMA_NONCOHERENT |
5e83d430 | 445 | select HW_HAS_EISA |
d865bea4 | 446 | select I8253 |
68de4803 | 447 | select I8259 |
1da177e4 LT |
448 | select IP22_CPU_SCACHE |
449 | select IRQ_CPU | |
aa414dff | 450 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
451 | select SGI_HAS_I8042 |
452 | select SGI_HAS_INDYDOG | |
36e5c21d | 453 | select SGI_HAS_HAL2 |
e2defae5 TB |
454 | select SGI_HAS_SEEQ |
455 | select SGI_HAS_WD93 | |
456 | select SGI_HAS_ZILOG | |
1da177e4 | 457 | select SWAP_IO_SPACE |
7cf8053b RB |
458 | select SYS_HAS_CPU_R4X00 |
459 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
460 | # |
461 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
462 | # memory during early boot on some machines. | |
463 | # | |
464 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
465 | # for a more details discussion | |
466 | # | |
467 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
468 | select SYS_SUPPORTS_32BIT_KERNEL |
469 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 470 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
471 | help |
472 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
473 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
474 | that runs on these, say Y here. | |
475 | ||
476 | config SGI_IP27 | |
3fa986fa | 477 | bool "SGI IP27 (Origin200/2000)" |
0e2794b0 RB |
478 | select FW_ARC |
479 | select FW_ARC64 | |
5e83d430 | 480 | select BOOT_ELF64 |
e2defae5 | 481 | select DEFAULT_SGI_PARTITION |
634286f1 | 482 | select DMA_COHERENT |
36a88530 | 483 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 484 | select HW_HAS_PCI |
130e2fb7 | 485 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 486 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 487 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 488 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 489 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 490 | select SYS_SUPPORTS_SMP |
1da177e4 LT |
491 | help |
492 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
493 | workstations. To compile a Linux kernel that runs on these, say Y | |
494 | here. | |
495 | ||
e2defae5 | 496 | config SGI_IP28 |
7d60717e | 497 | bool "SGI IP28 (Indigo2 R10k)" |
0e2794b0 RB |
498 | select FW_ARC |
499 | select FW_ARC64 | |
e2defae5 TB |
500 | select BOOT_ELF64 |
501 | select CEVT_R4K | |
502 | select CSRC_R4K | |
503 | select DEFAULT_SGI_PARTITION | |
504 | select DMA_NONCOHERENT | |
505 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
506 | select IRQ_CPU | |
507 | select HW_HAS_EISA | |
508 | select I8253 | |
509 | select I8259 | |
e2defae5 TB |
510 | select SGI_HAS_I8042 |
511 | select SGI_HAS_INDYDOG | |
5b438c44 | 512 | select SGI_HAS_HAL2 |
e2defae5 TB |
513 | select SGI_HAS_SEEQ |
514 | select SGI_HAS_WD93 | |
515 | select SGI_HAS_ZILOG | |
516 | select SWAP_IO_SPACE | |
517 | select SYS_HAS_CPU_R10000 | |
2b5e63f6 MM |
518 | # |
519 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
520 | # memory during early boot on some machines. | |
521 | # | |
522 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
523 | # for a more details discussion | |
524 | # | |
525 | # select SYS_HAS_EARLY_PRINTK | |
e2defae5 TB |
526 | select SYS_SUPPORTS_64BIT_KERNEL |
527 | select SYS_SUPPORTS_BIG_ENDIAN | |
528 | help | |
529 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
530 | kernel that runs on these, say Y here. | |
531 | ||
1da177e4 | 532 | config SGI_IP32 |
cfd2afc0 | 533 | bool "SGI IP32 (O2)" |
0e2794b0 RB |
534 | select FW_ARC |
535 | select FW_ARC32 | |
1da177e4 | 536 | select BOOT_ELF32 |
42f77542 | 537 | select CEVT_R4K |
940f6b48 | 538 | select CSRC_R4K |
1da177e4 LT |
539 | select DMA_NONCOHERENT |
540 | select HW_HAS_PCI | |
dd67b155 | 541 | select IRQ_CPU |
1da177e4 LT |
542 | select R5000_CPU_SCACHE |
543 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
544 | select SYS_HAS_CPU_R5000 |
545 | select SYS_HAS_CPU_R10000 if BROKEN | |
546 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 547 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 548 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 549 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 550 | help |
5e83d430 | 551 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 552 | |
ade299d8 YY |
553 | config SIBYTE_CRHINE |
554 | bool "Sibyte BCM91120C-CRhine" | |
9a6dcea1 AI |
555 | select BOOT_ELF32 |
556 | select DMA_COHERENT | |
ade299d8 | 557 | select SIBYTE_BCM1120 |
9a6dcea1 | 558 | select SWAP_IO_SPACE |
7cf8053b | 559 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
560 | select SYS_SUPPORTS_BIG_ENDIAN |
561 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
562 | ||
ade299d8 YY |
563 | config SIBYTE_CARMEL |
564 | bool "Sibyte BCM91120x-Carmel" | |
5e83d430 | 565 | select BOOT_ELF32 |
1da177e4 | 566 | select DMA_COHERENT |
ade299d8 | 567 | select SIBYTE_BCM1120 |
5e83d430 | 568 | select SWAP_IO_SPACE |
7cf8053b | 569 | select SYS_HAS_CPU_SB1 |
81731f79 | 570 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 571 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 572 | |
ade299d8 YY |
573 | config SIBYTE_CRHONE |
574 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
575 | select BOOT_ELF32 |
576 | select DMA_COHERENT | |
ade299d8 | 577 | select SIBYTE_BCM1125 |
5e83d430 | 578 | select SWAP_IO_SPACE |
7cf8053b | 579 | select SYS_HAS_CPU_SB1 |
5e83d430 | 580 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 581 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 582 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 583 | |
5e83d430 | 584 | config SIBYTE_RHONE |
3fa986fa | 585 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
586 | select BOOT_ELF32 |
587 | select DMA_COHERENT | |
588 | select SIBYTE_BCM1125H | |
589 | select SWAP_IO_SPACE | |
7cf8053b | 590 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
591 | select SYS_SUPPORTS_BIG_ENDIAN |
592 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 593 | |
ade299d8 YY |
594 | config SIBYTE_SWARM |
595 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 596 | select BOOT_ELF32 |
26a940e2 | 597 | select DMA_COHERENT |
fcf3ca4c | 598 | select HAVE_PATA_PLATFORM |
ade299d8 | 599 | select SIBYTE_SB1250 |
5e83d430 | 600 | select SWAP_IO_SPACE |
7cf8053b | 601 | select SYS_HAS_CPU_SB1 |
5e83d430 | 602 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 603 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 604 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 605 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 606 | |
ade299d8 YY |
607 | config SIBYTE_LITTLESUR |
608 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
609 | select BOOT_ELF32 |
610 | select DMA_COHERENT | |
fcf3ca4c | 611 | select HAVE_PATA_PLATFORM |
5e83d430 RB |
612 | select SIBYTE_SB1250 |
613 | select SWAP_IO_SPACE | |
7cf8053b | 614 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
615 | select SYS_SUPPORTS_BIG_ENDIAN |
616 | select SYS_SUPPORTS_HIGHMEM | |
617 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 618 | |
ade299d8 YY |
619 | config SIBYTE_SENTOSA |
620 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
621 | select BOOT_ELF32 |
622 | select DMA_COHERENT | |
623 | select SIBYTE_SB1250 | |
624 | select SWAP_IO_SPACE | |
7cf8053b | 625 | select SYS_HAS_CPU_SB1 |
5e83d430 | 626 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 627 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 628 | |
ade299d8 YY |
629 | config SIBYTE_BIGSUR |
630 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
631 | select BOOT_ELF32 |
632 | select DMA_COHERENT | |
ade299d8 | 633 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 634 | select SIBYTE_BCM1x80 |
5e83d430 | 635 | select SWAP_IO_SPACE |
7cf8053b | 636 | select SYS_HAS_CPU_SB1 |
5e83d430 | 637 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 638 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 639 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 640 | select ZONE_DMA32 if 64BIT |
1da177e4 | 641 | |
14b36af4 TB |
642 | config SNI_RM |
643 | bool "SNI RM200/300/400" | |
0e2794b0 RB |
644 | select FW_ARC if CPU_LITTLE_ENDIAN |
645 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
aaa9fad3 | 646 | select FW_SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 647 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 648 | select BOOT_ELF32 |
42f77542 | 649 | select CEVT_R4K |
940f6b48 | 650 | select CSRC_R4K |
e2defae5 | 651 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
652 | select DMA_NONCOHERENT |
653 | select GENERIC_ISA_DMA | |
8a118c38 | 654 | select HAVE_PCSPKR_PLATFORM |
5e83d430 | 655 | select HW_HAS_EISA |
1da177e4 | 656 | select HW_HAS_PCI |
c066a32a | 657 | select IRQ_CPU |
d865bea4 | 658 | select I8253 |
1da177e4 LT |
659 | select I8259 |
660 | select ISA | |
4a0312fc | 661 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 662 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 663 | select SYS_HAS_CPU_R5000 |
c066a32a | 664 | select SYS_HAS_CPU_R10000 |
4a0312fc | 665 | select R5000_CPU_SCACHE |
36a88530 | 666 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 667 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 668 | select SYS_SUPPORTS_64BIT_KERNEL |
4a0312fc | 669 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 670 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 671 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 672 | help |
14b36af4 TB |
673 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
674 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
675 | Technology and now in turn merged with Fujitsu. Say Y here to |
676 | support this machine type. | |
677 | ||
edcaf1a6 AN |
678 | config MACH_TX39XX |
679 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 680 | |
edcaf1a6 AN |
681 | config MACH_TX49XX |
682 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 683 | |
73b4390f RB |
684 | config MIKROTIK_RB532 |
685 | bool "Mikrotik RB532 boards" | |
686 | select CEVT_R4K | |
687 | select CSRC_R4K | |
688 | select DMA_NONCOHERENT | |
73b4390f RB |
689 | select HW_HAS_PCI |
690 | select IRQ_CPU | |
691 | select SYS_HAS_CPU_MIPS32_R1 | |
692 | select SYS_SUPPORTS_32BIT_KERNEL | |
693 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
694 | select SWAP_IO_SPACE | |
695 | select BOOT_RAW | |
d888e25b | 696 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
697 | help |
698 | Support the Mikrotik(tm) RouterBoard 532 series, | |
699 | based on the IDT RC32434 SoC. | |
700 | ||
9ddebc46 DD |
701 | config CAVIUM_OCTEON_SOC |
702 | bool "Cavium Networks Octeon SoC based boards" | |
a86c7f72 DD |
703 | select CEVT_R4K |
704 | select 64BIT_PHYS_ADDR | |
705 | select DMA_COHERENT | |
706 | select SYS_SUPPORTS_64BIT_KERNEL | |
707 | select SYS_SUPPORTS_BIG_ENDIAN | |
f65aad41 | 708 | select EDAC_SUPPORT |
773cb77d | 709 | select SYS_SUPPORTS_HOTPLUG_CPU |
a86c7f72 | 710 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 711 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 712 | select SWAP_IO_SPACE |
e8635b48 | 713 | select HW_HAS_PCI |
f00e001e | 714 | select ZONE_DMA32 |
340fbb8b DD |
715 | select USB_ARCH_HAS_OHCI |
716 | select USB_ARCH_HAS_EHCI | |
465aaed0 | 717 | select HOLES_IN_ZONE |
99cab4bb | 718 | select ARCH_REQUIRE_GPIOLIB |
a86c7f72 DD |
719 | help |
720 | This option supports all of the Octeon reference boards from Cavium | |
721 | Networks. It builds a kernel that dynamically determines the Octeon | |
722 | CPU type and supports all known board reference implementations. | |
723 | Some of the supported boards are: | |
724 | EBT3000 | |
725 | EBH3000 | |
726 | EBH3100 | |
727 | Thunder | |
728 | Kodama | |
729 | Hikari | |
730 | Say Y here for most Octeon reference boards. | |
731 | ||
7f058e85 J |
732 | config NLM_XLR_BOARD |
733 | bool "Netlogic XLR/XLS based systems" | |
7f058e85 J |
734 | select BOOT_ELF32 |
735 | select NLM_COMMON | |
7f058e85 J |
736 | select SYS_HAS_CPU_XLR |
737 | select SYS_SUPPORTS_SMP | |
738 | select HW_HAS_PCI | |
739 | select SWAP_IO_SPACE | |
740 | select SYS_SUPPORTS_32BIT_KERNEL | |
741 | select SYS_SUPPORTS_64BIT_KERNEL | |
742 | select 64BIT_PHYS_ADDR | |
743 | select SYS_SUPPORTS_BIG_ENDIAN | |
744 | select SYS_SUPPORTS_HIGHMEM | |
745 | select DMA_COHERENT | |
746 | select NR_CPUS_DEFAULT_32 | |
747 | select CEVT_R4K | |
748 | select CSRC_R4K | |
749 | select IRQ_CPU | |
b97215fd | 750 | select ZONE_DMA32 if 64BIT |
7f058e85 J |
751 | select SYNC_R4K |
752 | select SYS_HAS_EARLY_PRINTK | |
f35574a3 J |
753 | select USB_ARCH_HAS_OHCI if USB_SUPPORT |
754 | select USB_ARCH_HAS_EHCI if USB_SUPPORT | |
8f0b0430 J |
755 | select SYS_SUPPORTS_ZBOOT |
756 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
7f058e85 J |
757 | help |
758 | Support for systems based on Netlogic XLR and XLS processors. | |
759 | Say Y here if you have a XLR or XLS based board. | |
760 | ||
1c773ea4 J |
761 | config NLM_XLP_BOARD |
762 | bool "Netlogic XLP based systems" | |
1c773ea4 J |
763 | select BOOT_ELF32 |
764 | select NLM_COMMON | |
765 | select SYS_HAS_CPU_XLP | |
766 | select SYS_SUPPORTS_SMP | |
767 | select HW_HAS_PCI | |
1c773ea4 J |
768 | select SYS_SUPPORTS_32BIT_KERNEL |
769 | select SYS_SUPPORTS_64BIT_KERNEL | |
770 | select 64BIT_PHYS_ADDR | |
771 | select SYS_SUPPORTS_BIG_ENDIAN | |
772 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
773 | select SYS_SUPPORTS_HIGHMEM | |
774 | select DMA_COHERENT | |
775 | select NR_CPUS_DEFAULT_32 | |
776 | select CEVT_R4K | |
777 | select CSRC_R4K | |
778 | select IRQ_CPU | |
b97215fd | 779 | select ZONE_DMA32 if 64BIT |
1c773ea4 J |
780 | select SYNC_R4K |
781 | select SYS_HAS_EARLY_PRINTK | |
2f6528e1 | 782 | select USE_OF |
8f0b0430 J |
783 | select SYS_SUPPORTS_ZBOOT |
784 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
1c773ea4 J |
785 | help |
786 | This board is based on Netlogic XLP Processor. | |
787 | Say Y here if you have a XLP based board. | |
788 | ||
5e83d430 | 789 | endchoice |
1da177e4 | 790 | |
e8c7c482 | 791 | source "arch/mips/alchemy/Kconfig" |
d4a67d9d | 792 | source "arch/mips/ath79/Kconfig" |
a656ffcb | 793 | source "arch/mips/bcm47xx/Kconfig" |
e7300d04 | 794 | source "arch/mips/bcm63xx/Kconfig" |
5e83d430 | 795 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 796 | source "arch/mips/jz4740/Kconfig" |
8ec6d935 | 797 | source "arch/mips/lantiq/Kconfig" |
1f21d2bd | 798 | source "arch/mips/lasat/Kconfig" |
0f3a05cb | 799 | source "arch/mips/pmcs-msp71xx/Kconfig" |
ae2b5bb6 | 800 | source "arch/mips/ralink/Kconfig" |
29c48699 | 801 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 802 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 803 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 804 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 805 | source "arch/mips/cavium-octeon/Kconfig" |
85749d24 | 806 | source "arch/mips/loongson/Kconfig" |
ca585cf9 | 807 | source "arch/mips/loongson1/Kconfig" |
7f058e85 | 808 | source "arch/mips/netlogic/Kconfig" |
38b18f72 | 809 | |
5e83d430 RB |
810 | endmenu |
811 | ||
1da177e4 LT |
812 | config RWSEM_GENERIC_SPINLOCK |
813 | bool | |
814 | default y | |
815 | ||
816 | config RWSEM_XCHGADD_ALGORITHM | |
817 | bool | |
818 | ||
f0d1b0b3 DH |
819 | config ARCH_HAS_ILOG2_U32 |
820 | bool | |
821 | default n | |
822 | ||
823 | config ARCH_HAS_ILOG2_U64 | |
824 | bool | |
825 | default n | |
826 | ||
3c9ee7ef AM |
827 | config GENERIC_HWEIGHT |
828 | bool | |
829 | default y | |
830 | ||
1da177e4 LT |
831 | config GENERIC_CALIBRATE_DELAY |
832 | bool | |
833 | default y | |
834 | ||
ae1e9130 | 835 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
836 | bool |
837 | default y | |
838 | ||
1da177e4 LT |
839 | # |
840 | # Select some configuration options automatically based on user selections. | |
841 | # | |
0e2794b0 | 842 | config FW_ARC |
1da177e4 | 843 | bool |
1da177e4 | 844 | |
61ed242d RB |
845 | config ARCH_MAY_HAVE_PC_FDC |
846 | bool | |
847 | ||
9267a30d MSJ |
848 | config BOOT_RAW |
849 | bool | |
850 | ||
217dd11e RB |
851 | config CEVT_BCM1480 |
852 | bool | |
853 | ||
6457d9fc YY |
854 | config CEVT_DS1287 |
855 | bool | |
856 | ||
1097c6ac YY |
857 | config CEVT_GT641XX |
858 | bool | |
859 | ||
42f77542 RB |
860 | config CEVT_R4K |
861 | bool | |
862 | ||
0ab2b7d0 RG |
863 | config CEVT_GIC |
864 | bool | |
865 | ||
217dd11e RB |
866 | config CEVT_SB1250 |
867 | bool | |
868 | ||
229f773e AN |
869 | config CEVT_TXX9 |
870 | bool | |
871 | ||
217dd11e RB |
872 | config CSRC_BCM1480 |
873 | bool | |
874 | ||
4247417d YY |
875 | config CSRC_IOASIC |
876 | bool | |
877 | ||
940f6b48 RB |
878 | config CSRC_R4K |
879 | bool | |
880 | ||
778eeb1b SH |
881 | config CSRC_GIC |
882 | bool | |
883 | ||
217dd11e RB |
884 | config CSRC_SB1250 |
885 | bool | |
886 | ||
a9aec7fe | 887 | config GPIO_TXX9 |
7444a72e | 888 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
889 | bool |
890 | ||
0e2794b0 | 891 | config FW_CFE |
df78b5c8 AJ |
892 | bool |
893 | ||
4bafad92 FT |
894 | config ARCH_DMA_ADDR_T_64BIT |
895 | def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT | |
896 | ||
4ce588cd | 897 | config DMA_COHERENT |
1da177e4 LT |
898 | bool |
899 | ||
4ce588cd RB |
900 | config DMA_NONCOHERENT |
901 | bool | |
e1e02b32 | 902 | select NEED_DMA_MAP_STATE |
4ce588cd | 903 | |
e1e02b32 | 904 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
905 | bool |
906 | ||
36a88530 | 907 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 908 | bool |
1da177e4 | 909 | |
dbb74540 | 910 | config HOTPLUG_CPU |
1b2bc75c | 911 | bool "Support for hot-pluggable CPUs" |
40b31360 | 912 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU |
1b2bc75c RB |
913 | help |
914 | Say Y here to allow turning CPUs off and on. CPUs can be | |
915 | controlled through /sys/devices/system/cpu. | |
916 | (Note: power management support will enable this option | |
917 | automatically on SMP systems. ) | |
918 | Say N if you want to disable CPU hotplug. | |
919 | ||
920 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 921 | bool |
dbb74540 | 922 | |
1da177e4 LT |
923 | config I8259 |
924 | bool | |
1da177e4 | 925 | |
1da177e4 LT |
926 | config MIPS_BONITO64 |
927 | bool | |
1da177e4 LT |
928 | |
929 | config MIPS_MSC | |
930 | bool | |
1da177e4 | 931 | |
1f21d2bd BM |
932 | config MIPS_NILE4 |
933 | bool | |
934 | ||
39b8d525 RB |
935 | config SYNC_R4K |
936 | bool | |
937 | ||
487d70d0 GJ |
938 | config MIPS_MACHINE |
939 | def_bool n | |
940 | ||
d388d685 MR |
941 | config NO_IOPORT |
942 | def_bool n | |
943 | ||
8313da30 RB |
944 | config GENERIC_ISA_DMA |
945 | bool | |
946 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 947 | select ISA_DMA_API |
8313da30 | 948 | |
aa414dff RB |
949 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
950 | bool | |
8313da30 | 951 | select GENERIC_ISA_DMA |
aa414dff | 952 | |
a35bee8a NK |
953 | config ISA_DMA_API |
954 | bool | |
955 | ||
465aaed0 DD |
956 | config HOLES_IN_ZONE |
957 | bool | |
958 | ||
5e83d430 | 959 | # |
6b2aac42 | 960 | # Endianness selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
961 | # answer,so we try hard to limit the available choices. Also the use of a |
962 | # choice statement should be more obvious to the user. | |
963 | # | |
964 | choice | |
6b2aac42 | 965 | prompt "Endianness selection" |
1da177e4 LT |
966 | help |
967 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 968 | byte order. These modes require different kernels and a different |
3cb2fccc | 969 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 970 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 971 | one or the other endianness. |
5e83d430 RB |
972 | |
973 | config CPU_BIG_ENDIAN | |
974 | bool "Big endian" | |
975 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
976 | ||
977 | config CPU_LITTLE_ENDIAN | |
978 | bool "Little endian" | |
979 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
5e83d430 RB |
980 | |
981 | endchoice | |
982 | ||
22b0763a DD |
983 | config EXPORT_UASM |
984 | bool | |
985 | ||
2116245e RB |
986 | config SYS_SUPPORTS_APM_EMULATION |
987 | bool | |
988 | ||
5e83d430 RB |
989 | config SYS_SUPPORTS_BIG_ENDIAN |
990 | bool | |
991 | ||
992 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
993 | bool | |
1da177e4 | 994 | |
9cffd154 DD |
995 | config SYS_SUPPORTS_HUGETLBFS |
996 | bool | |
997 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
998 | default y | |
999 | ||
aa1762f4 DD |
1000 | config MIPS_HUGE_TLB_SUPPORT |
1001 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1002 | ||
1da177e4 LT |
1003 | config IRQ_CPU |
1004 | bool | |
1005 | ||
1006 | config IRQ_CPU_RM7K | |
1007 | bool | |
1008 | ||
9267a30d MSJ |
1009 | config IRQ_MSP_SLP |
1010 | bool | |
1011 | ||
1012 | config IRQ_MSP_CIC | |
1013 | bool | |
1014 | ||
8420fd00 AN |
1015 | config IRQ_TXX9 |
1016 | bool | |
1017 | ||
d5ab1a69 YY |
1018 | config IRQ_GT641XX |
1019 | bool | |
1020 | ||
39b8d525 RB |
1021 | config IRQ_GIC |
1022 | bool | |
1023 | ||
252161ec | 1024 | config PCI_GT64XXX_PCI0 |
1da177e4 | 1025 | bool |
1da177e4 | 1026 | |
9267a30d MSJ |
1027 | config NO_EXCEPT_FILL |
1028 | bool | |
1029 | ||
a83860c2 RB |
1030 | config SOC_EMMA2RH |
1031 | bool | |
1032 | select CEVT_R4K | |
1033 | select CSRC_R4K | |
1034 | select DMA_NONCOHERENT | |
1035 | select IRQ_CPU | |
1036 | select SWAP_IO_SPACE | |
1037 | select SYS_HAS_CPU_R5500 | |
1038 | select SYS_SUPPORTS_32BIT_KERNEL | |
1039 | select SYS_SUPPORTS_64BIT_KERNEL | |
1040 | select SYS_SUPPORTS_BIG_ENDIAN | |
1041 | ||
edb6310a DL |
1042 | config SOC_PNX833X |
1043 | bool | |
1044 | select CEVT_R4K | |
1045 | select CSRC_R4K | |
1046 | select IRQ_CPU | |
1047 | select DMA_NONCOHERENT | |
1048 | select SYS_HAS_CPU_MIPS32_R2 | |
1049 | select SYS_SUPPORTS_32BIT_KERNEL | |
1050 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1051 | select SYS_SUPPORTS_BIG_ENDIAN | |
edb6310a DL |
1052 | select CPU_MIPSR2_IRQ_VI |
1053 | ||
1054 | config SOC_PNX8335 | |
1055 | bool | |
1056 | select SOC_PNX833X | |
1057 | ||
1da177e4 LT |
1058 | config SWAP_IO_SPACE |
1059 | bool | |
1060 | ||
e2defae5 TB |
1061 | config SGI_HAS_INDYDOG |
1062 | bool | |
1063 | ||
5b438c44 TB |
1064 | config SGI_HAS_HAL2 |
1065 | bool | |
1066 | ||
e2defae5 TB |
1067 | config SGI_HAS_SEEQ |
1068 | bool | |
1069 | ||
1070 | config SGI_HAS_WD93 | |
1071 | bool | |
1072 | ||
1073 | config SGI_HAS_ZILOG | |
1074 | bool | |
1075 | ||
1076 | config SGI_HAS_I8042 | |
1077 | bool | |
1078 | ||
1079 | config DEFAULT_SGI_PARTITION | |
1080 | bool | |
1081 | ||
0e2794b0 | 1082 | config FW_ARC32 |
5e83d430 RB |
1083 | bool |
1084 | ||
aaa9fad3 | 1085 | config FW_SNIPROM |
231a35d3 TB |
1086 | bool |
1087 | ||
1da177e4 LT |
1088 | config BOOT_ELF32 |
1089 | bool | |
1da177e4 LT |
1090 | |
1091 | config MIPS_L1_CACHE_SHIFT | |
1092 | int | |
80fb55a9 | 1093 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X |
0db2b74e | 1094 | default "6" if MIPS_CPU_SCACHE |
a86c7f72 | 1095 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1096 | default "5" |
1097 | ||
1da177e4 LT |
1098 | config HAVE_STD_PC_SERIAL_PORT |
1099 | bool | |
1100 | ||
1da177e4 LT |
1101 | config ARC_CONSOLE |
1102 | bool "ARC console support" | |
e2defae5 | 1103 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1104 | |
1105 | config ARC_MEMORY | |
1106 | bool | |
14b36af4 | 1107 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1108 | default y |
1109 | ||
1110 | config ARC_PROMLIB | |
1111 | bool | |
e2defae5 | 1112 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1113 | default y |
1114 | ||
0e2794b0 | 1115 | config FW_ARC64 |
1da177e4 | 1116 | bool |
1da177e4 LT |
1117 | |
1118 | config BOOT_ELF64 | |
1119 | bool | |
1da177e4 | 1120 | |
1da177e4 LT |
1121 | menu "CPU selection" |
1122 | ||
1123 | choice | |
1124 | prompt "CPU type" | |
1125 | default CPU_R4X00 | |
1126 | ||
3702bba5 WZ |
1127 | config CPU_LOONGSON2E |
1128 | bool "Loongson 2E" | |
1129 | depends on SYS_HAS_CPU_LOONGSON2E | |
1130 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1131 | help |
1132 | The Loongson 2E processor implements the MIPS III instruction set | |
1133 | with many extensions. | |
1134 | ||
25985edc | 1135 | It has an internal FPGA northbridge, which is compatible to |
6f7a251a WZ |
1136 | bonito64. |
1137 | ||
1138 | config CPU_LOONGSON2F | |
1139 | bool "Loongson 2F" | |
1140 | depends on SYS_HAS_CPU_LOONGSON2F | |
1141 | select CPU_LOONGSON2 | |
c197da91 | 1142 | select ARCH_REQUIRE_GPIOLIB |
6f7a251a WZ |
1143 | help |
1144 | The Loongson 2F processor implements the MIPS III instruction set | |
1145 | with many extensions. | |
1146 | ||
1147 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1148 | have a similar programming interface with FPGA northbridge used in | |
1149 | Loongson2E. | |
1150 | ||
ca585cf9 KC |
1151 | config CPU_LOONGSON1B |
1152 | bool "Loongson 1B" | |
1153 | depends on SYS_HAS_CPU_LOONGSON1B | |
1154 | select CPU_LOONGSON1 | |
1155 | help | |
1156 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1157 | release 2 instruction set. | |
1158 | ||
6e760c8d RB |
1159 | config CPU_MIPS32_R1 |
1160 | bool "MIPS32 Release 1" | |
7cf8053b | 1161 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1162 | select CPU_HAS_PREFETCH |
797798c1 | 1163 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1164 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1165 | help |
5e83d430 | 1166 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1167 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1168 | MIPS processor are based on a MIPS32 processor. If you know the | |
1169 | specific type of processor in your system, choose those that one | |
1170 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1171 | Release 2 of the MIPS32 architecture is available since several | |
1172 | years so chances are you even have a MIPS32 Release 2 processor | |
1173 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1174 | performance. | |
1175 | ||
1176 | config CPU_MIPS32_R2 | |
1177 | bool "MIPS32 Release 2" | |
7cf8053b | 1178 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1179 | select CPU_HAS_PREFETCH |
797798c1 | 1180 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1181 | select CPU_SUPPORTS_HIGHMEM |
2235a54d | 1182 | select HAVE_KVM |
6e760c8d | 1183 | help |
5e83d430 | 1184 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1185 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1186 | MIPS processor are based on a MIPS32 processor. If you know the | |
1187 | specific type of processor in your system, choose those that one | |
1188 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1189 | ||
1190 | config CPU_MIPS64_R1 | |
1191 | bool "MIPS64 Release 1" | |
7cf8053b | 1192 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1193 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1194 | select CPU_SUPPORTS_32BIT_KERNEL |
1195 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1196 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1197 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1198 | help |
1199 | Choose this option to build a kernel for release 1 or later of the | |
1200 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1201 | MIPS processor are based on a MIPS64 processor. If you know the | |
1202 | specific type of processor in your system, choose those that one | |
1203 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1204 | Release 2 of the MIPS64 architecture is available since several |
1205 | years so chances are you even have a MIPS64 Release 2 processor | |
1206 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1207 | performance. | |
1208 | ||
1209 | config CPU_MIPS64_R2 | |
1210 | bool "MIPS64 Release 2" | |
7cf8053b | 1211 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1212 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1213 | select CPU_SUPPORTS_32BIT_KERNEL |
1214 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1215 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1216 | select CPU_SUPPORTS_HUGEPAGES |
1e5f1caa RB |
1217 | help |
1218 | Choose this option to build a kernel for release 2 or later of the | |
1219 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1220 | MIPS processor are based on a MIPS64 processor. If you know the | |
1221 | specific type of processor in your system, choose those that one | |
1222 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1223 | |
1224 | config CPU_R3000 | |
1225 | bool "R3000" | |
7cf8053b | 1226 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1227 | select CPU_HAS_WB |
ed5ba2fb | 1228 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1229 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1230 | help |
1231 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1232 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1233 | *not* work on R4000 machines and vice versa. However, since most | |
1234 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1235 | might be a safe bet. If the resulting kernel does not work, | |
1236 | try to recompile with R3000. | |
1237 | ||
1238 | config CPU_TX39XX | |
1239 | bool "R39XX" | |
7cf8053b | 1240 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1241 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1242 | |
1243 | config CPU_VR41XX | |
1244 | bool "R41xx" | |
7cf8053b | 1245 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1246 | select CPU_SUPPORTS_32BIT_KERNEL |
1247 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1248 | help |
5e83d430 | 1249 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1250 | Only choose this option if you have one of these processors as a |
1251 | kernel built with this option will not run on any other type of | |
1252 | processor or vice versa. | |
1253 | ||
1254 | config CPU_R4300 | |
1255 | bool "R4300" | |
7cf8053b | 1256 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1257 | select CPU_SUPPORTS_32BIT_KERNEL |
1258 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1259 | help |
1260 | MIPS Technologies R4300-series processors. | |
1261 | ||
1262 | config CPU_R4X00 | |
1263 | bool "R4x00" | |
7cf8053b | 1264 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1265 | select CPU_SUPPORTS_32BIT_KERNEL |
1266 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1267 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1268 | help |
1269 | MIPS Technologies R4000-series processors other than 4300, including | |
1270 | the R4000, R4400, R4600, and 4700. | |
1271 | ||
1272 | config CPU_TX49XX | |
1273 | bool "R49XX" | |
7cf8053b | 1274 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1275 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1276 | select CPU_SUPPORTS_32BIT_KERNEL |
1277 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1278 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1279 | |
1280 | config CPU_R5000 | |
1281 | bool "R5000" | |
7cf8053b | 1282 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1283 | select CPU_SUPPORTS_32BIT_KERNEL |
1284 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1285 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1286 | help |
1287 | MIPS Technologies R5000-series processors other than the Nevada. | |
1288 | ||
1289 | config CPU_R5432 | |
1290 | bool "R5432" | |
7cf8053b | 1291 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1292 | select CPU_SUPPORTS_32BIT_KERNEL |
1293 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1294 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 | 1295 | |
542c1020 SK |
1296 | config CPU_R5500 |
1297 | bool "R5500" | |
1298 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1299 | select CPU_SUPPORTS_32BIT_KERNEL |
1300 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1301 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1302 | help |
1303 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1304 | instruction set. | |
1305 | ||
1da177e4 LT |
1306 | config CPU_R6000 |
1307 | bool "R6000" | |
7cf8053b | 1308 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1309 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1310 | help |
1311 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1312 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1313 | |
1314 | config CPU_NEVADA | |
1315 | bool "RM52xx" | |
7cf8053b | 1316 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1317 | select CPU_SUPPORTS_32BIT_KERNEL |
1318 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1319 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1320 | help |
1321 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1322 | ||
1323 | config CPU_R8000 | |
1324 | bool "R8000" | |
7cf8053b | 1325 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1326 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1327 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1328 | help |
1329 | MIPS Technologies R8000 processors. Note these processors are | |
1330 | uncommon and the support for them is incomplete. | |
1331 | ||
1332 | config CPU_R10000 | |
1333 | bool "R10000" | |
7cf8053b | 1334 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1335 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1336 | select CPU_SUPPORTS_32BIT_KERNEL |
1337 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1338 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1339 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1340 | help |
1341 | MIPS Technologies R10000-series processors. | |
1342 | ||
1343 | config CPU_RM7000 | |
1344 | bool "RM7000" | |
7cf8053b | 1345 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1346 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1347 | select CPU_SUPPORTS_32BIT_KERNEL |
1348 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1349 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1350 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1351 | |
1352 | config CPU_SB1 | |
1353 | bool "SB1" | |
7cf8053b | 1354 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1355 | select CPU_SUPPORTS_32BIT_KERNEL |
1356 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1357 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1358 | select CPU_SUPPORTS_HUGEPAGES |
0004a9df | 1359 | select WEAK_ORDERING |
1da177e4 | 1360 | |
a86c7f72 DD |
1361 | config CPU_CAVIUM_OCTEON |
1362 | bool "Cavium Octeon processor" | |
5e683389 | 1363 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
7ee91de4 | 1364 | select ARCH_SPARSEMEM_ENABLE |
a86c7f72 DD |
1365 | select CPU_HAS_PREFETCH |
1366 | select CPU_SUPPORTS_64BIT_KERNEL | |
1367 | select SYS_SUPPORTS_SMP | |
1368 | select NR_CPUS_DEFAULT_16 | |
1369 | select WEAK_ORDERING | |
a86c7f72 | 1370 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1371 | select CPU_SUPPORTS_HUGEPAGES |
7ed18152 DD |
1372 | select LIBFDT |
1373 | select USE_OF | |
9296d94d | 1374 | select USB_EHCI_BIG_ENDIAN_MMIO |
a86c7f72 DD |
1375 | help |
1376 | The Cavium Octeon processor is a highly integrated chip containing | |
1377 | many ethernet hardware widgets for networking tasks. The processor | |
1378 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1379 | Full details can be found at http://www.caviumnetworks.com. | |
1380 | ||
c1c0c461 KC |
1381 | config CPU_BMIPS3300 |
1382 | bool "BMIPS3300" | |
1383 | depends on SYS_HAS_CPU_BMIPS3300 | |
1bbb6c1b | 1384 | select CPU_BMIPS |
c1c0c461 KC |
1385 | help |
1386 | Broadcom BMIPS3300 processors. | |
1387 | ||
1388 | config CPU_BMIPS4350 | |
1389 | bool "BMIPS4350" | |
1390 | depends on SYS_HAS_CPU_BMIPS4350 | |
1bbb6c1b | 1391 | select CPU_BMIPS |
c1c0c461 KC |
1392 | select SYS_SUPPORTS_SMP |
1393 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1394 | help |
1395 | Broadcom BMIPS4350 ("VIPER") processors. | |
1396 | ||
1397 | config CPU_BMIPS4380 | |
1398 | bool "BMIPS4380" | |
1399 | depends on SYS_HAS_CPU_BMIPS4380 | |
1bbb6c1b | 1400 | select CPU_BMIPS |
c1c0c461 KC |
1401 | select SYS_SUPPORTS_SMP |
1402 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1403 | help |
1404 | Broadcom BMIPS4380 processors. | |
1405 | ||
1406 | config CPU_BMIPS5000 | |
1407 | bool "BMIPS5000" | |
1408 | depends on SYS_HAS_CPU_BMIPS5000 | |
1bbb6c1b | 1409 | select CPU_BMIPS |
c1c0c461 | 1410 | select CPU_SUPPORTS_HIGHMEM |
1bbb6c1b | 1411 | select MIPS_CPU_SCACHE |
c1c0c461 KC |
1412 | select SYS_SUPPORTS_SMP |
1413 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1414 | help |
1415 | Broadcom BMIPS5000 processors. | |
1416 | ||
7f058e85 J |
1417 | config CPU_XLR |
1418 | bool "Netlogic XLR SoC" | |
1419 | depends on SYS_HAS_CPU_XLR | |
1420 | select CPU_SUPPORTS_32BIT_KERNEL | |
1421 | select CPU_SUPPORTS_64BIT_KERNEL | |
1422 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1423 | select CPU_SUPPORTS_HUGEPAGES |
7f058e85 J |
1424 | select WEAK_ORDERING |
1425 | select WEAK_REORDERING_BEYOND_LLSC | |
7f058e85 J |
1426 | help |
1427 | Netlogic Microsystems XLR/XLS processors. | |
1c773ea4 J |
1428 | |
1429 | config CPU_XLP | |
1430 | bool "Netlogic XLP SoC" | |
1431 | depends on SYS_HAS_CPU_XLP | |
1432 | select CPU_SUPPORTS_32BIT_KERNEL | |
1433 | select CPU_SUPPORTS_64BIT_KERNEL | |
1434 | select CPU_SUPPORTS_HIGHMEM | |
1c773ea4 J |
1435 | select WEAK_ORDERING |
1436 | select WEAK_REORDERING_BEYOND_LLSC | |
1437 | select CPU_HAS_PREFETCH | |
d6504846 | 1438 | select CPU_MIPSR2 |
1c773ea4 J |
1439 | help |
1440 | Netlogic Microsystems XLP processors. | |
1da177e4 LT |
1441 | endchoice |
1442 | ||
622844bf WZ |
1443 | if CPU_LOONGSON2F |
1444 | config CPU_NOP_WORKAROUNDS | |
1445 | bool | |
1446 | ||
1447 | config CPU_JUMP_WORKAROUNDS | |
1448 | bool | |
1449 | ||
1450 | config CPU_LOONGSON2F_WORKAROUNDS | |
1451 | bool "Loongson 2F Workarounds" | |
1452 | default y | |
1453 | select CPU_NOP_WORKAROUNDS | |
1454 | select CPU_JUMP_WORKAROUNDS | |
1455 | help | |
1456 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1457 | require workarounds. Without workarounds the system may hang | |
1458 | unexpectedly. For more information please refer to the gas | |
1459 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1460 | ||
1461 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1462 | are needed. The workarounds have no significant side effect on them | |
1463 | but may decrease the performance of the system so this option should | |
1464 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1465 | systems. | |
1466 | ||
1467 | If unsure, please say Y. | |
1468 | endif # CPU_LOONGSON2F | |
1469 | ||
1b93b3c3 WZ |
1470 | config SYS_SUPPORTS_ZBOOT |
1471 | bool | |
1472 | select HAVE_KERNEL_GZIP | |
1473 | select HAVE_KERNEL_BZIP2 | |
31c4867d | 1474 | select HAVE_KERNEL_LZ4 |
1b93b3c3 | 1475 | select HAVE_KERNEL_LZMA |
fe1d45e0 | 1476 | select HAVE_KERNEL_LZO |
4e23eb63 | 1477 | select HAVE_KERNEL_XZ |
1b93b3c3 WZ |
1478 | |
1479 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1480 | bool | |
1481 | select SYS_SUPPORTS_ZBOOT | |
1482 | ||
3702bba5 WZ |
1483 | config CPU_LOONGSON2 |
1484 | bool | |
1485 | select CPU_SUPPORTS_32BIT_KERNEL | |
1486 | select CPU_SUPPORTS_64BIT_KERNEL | |
1487 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1488 | select CPU_SUPPORTS_HUGEPAGES |
3702bba5 | 1489 | |
ca585cf9 KC |
1490 | config CPU_LOONGSON1 |
1491 | bool | |
1492 | select CPU_MIPS32 | |
1493 | select CPU_MIPSR2 | |
1494 | select CPU_HAS_PREFETCH | |
1495 | select CPU_SUPPORTS_32BIT_KERNEL | |
1496 | select CPU_SUPPORTS_HIGHMEM | |
1497 | ||
1bbb6c1b KC |
1498 | config CPU_BMIPS |
1499 | bool | |
1500 | select CPU_MIPS32 | |
1501 | select CPU_SUPPORTS_32BIT_KERNEL | |
1502 | select DMA_NONCOHERENT | |
1503 | select IRQ_CPU | |
1504 | select SWAP_IO_SPACE | |
1505 | select WEAK_ORDERING | |
1506 | ||
3702bba5 | 1507 | config SYS_HAS_CPU_LOONGSON2E |
2a21c730 FZ |
1508 | bool |
1509 | ||
6f7a251a WZ |
1510 | config SYS_HAS_CPU_LOONGSON2F |
1511 | bool | |
55045ff5 WZ |
1512 | select CPU_SUPPORTS_CPUFREQ |
1513 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1514 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1515 | |
ca585cf9 KC |
1516 | config SYS_HAS_CPU_LOONGSON1B |
1517 | bool | |
1518 | ||
7cf8053b RB |
1519 | config SYS_HAS_CPU_MIPS32_R1 |
1520 | bool | |
1521 | ||
1522 | config SYS_HAS_CPU_MIPS32_R2 | |
1523 | bool | |
1524 | ||
1525 | config SYS_HAS_CPU_MIPS64_R1 | |
1526 | bool | |
1527 | ||
1528 | config SYS_HAS_CPU_MIPS64_R2 | |
1529 | bool | |
1530 | ||
1531 | config SYS_HAS_CPU_R3000 | |
1532 | bool | |
1533 | ||
1534 | config SYS_HAS_CPU_TX39XX | |
1535 | bool | |
1536 | ||
1537 | config SYS_HAS_CPU_VR41XX | |
1538 | bool | |
1539 | ||
1540 | config SYS_HAS_CPU_R4300 | |
1541 | bool | |
1542 | ||
1543 | config SYS_HAS_CPU_R4X00 | |
1544 | bool | |
1545 | ||
1546 | config SYS_HAS_CPU_TX49XX | |
1547 | bool | |
1548 | ||
1549 | config SYS_HAS_CPU_R5000 | |
1550 | bool | |
1551 | ||
1552 | config SYS_HAS_CPU_R5432 | |
1553 | bool | |
1554 | ||
542c1020 SK |
1555 | config SYS_HAS_CPU_R5500 |
1556 | bool | |
1557 | ||
7cf8053b RB |
1558 | config SYS_HAS_CPU_R6000 |
1559 | bool | |
1560 | ||
1561 | config SYS_HAS_CPU_NEVADA | |
1562 | bool | |
1563 | ||
1564 | config SYS_HAS_CPU_R8000 | |
1565 | bool | |
1566 | ||
1567 | config SYS_HAS_CPU_R10000 | |
1568 | bool | |
1569 | ||
1570 | config SYS_HAS_CPU_RM7000 | |
1571 | bool | |
1572 | ||
7cf8053b RB |
1573 | config SYS_HAS_CPU_SB1 |
1574 | bool | |
1575 | ||
5e683389 DD |
1576 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1577 | bool | |
1578 | ||
c1c0c461 KC |
1579 | config SYS_HAS_CPU_BMIPS3300 |
1580 | bool | |
1581 | ||
1582 | config SYS_HAS_CPU_BMIPS4350 | |
1583 | bool | |
1584 | ||
1585 | config SYS_HAS_CPU_BMIPS4380 | |
1586 | bool | |
1587 | ||
1588 | config SYS_HAS_CPU_BMIPS5000 | |
1589 | bool | |
1590 | ||
7f058e85 J |
1591 | config SYS_HAS_CPU_XLR |
1592 | bool | |
1593 | ||
1c773ea4 J |
1594 | config SYS_HAS_CPU_XLP |
1595 | bool | |
1596 | ||
17099b11 RB |
1597 | # |
1598 | # CPU may reorder R->R, R->W, W->R, W->W | |
1599 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1600 | # | |
0004a9df RB |
1601 | config WEAK_ORDERING |
1602 | bool | |
17099b11 RB |
1603 | |
1604 | # | |
1605 | # CPU may reorder reads and writes beyond LL/SC | |
1606 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1607 | # | |
1608 | config WEAK_REORDERING_BEYOND_LLSC | |
1609 | bool | |
5e83d430 RB |
1610 | endmenu |
1611 | ||
1612 | # | |
c09b47d8 | 1613 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1614 | # |
1615 | config CPU_MIPS32 | |
1616 | bool | |
1617 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1618 | ||
1619 | config CPU_MIPS64 | |
1620 | bool | |
1621 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1622 | ||
1623 | # | |
c09b47d8 | 1624 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1625 | # |
1626 | config CPU_MIPSR1 | |
1627 | bool | |
1628 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1629 | ||
1630 | config CPU_MIPSR2 | |
1631 | bool | |
a86c7f72 | 1632 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1633 | |
1634 | config SYS_SUPPORTS_32BIT_KERNEL | |
1635 | bool | |
1636 | config SYS_SUPPORTS_64BIT_KERNEL | |
1637 | bool | |
1638 | config CPU_SUPPORTS_32BIT_KERNEL | |
1639 | bool | |
1640 | config CPU_SUPPORTS_64BIT_KERNEL | |
1641 | bool | |
55045ff5 WZ |
1642 | config CPU_SUPPORTS_CPUFREQ |
1643 | bool | |
1644 | config CPU_SUPPORTS_ADDRWINCFG | |
1645 | bool | |
9cffd154 DD |
1646 | config CPU_SUPPORTS_HUGEPAGES |
1647 | bool | |
22f1fdfd WZ |
1648 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1649 | bool | |
82622284 DD |
1650 | config MIPS_PGD_C0_CONTEXT |
1651 | bool | |
d6504846 | 1652 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP |
5e83d430 | 1653 | |
8192c9ea DD |
1654 | # |
1655 | # Set to y for ptrace access to watch registers. | |
1656 | # | |
1657 | config HARDWARE_WATCHPOINTS | |
1658 | bool | |
f839490a | 1659 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1660 | |
5e83d430 RB |
1661 | menu "Kernel type" |
1662 | ||
1663 | choice | |
5e83d430 RB |
1664 | prompt "Kernel code model" |
1665 | help | |
1666 | You should only select this option if you have a workload that | |
1667 | actually benefits from 64-bit processing or if your machine has | |
1668 | large memory. You will only be presented a single option in this | |
1669 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1670 | ||
1671 | config 32BIT | |
1672 | bool "32-bit kernel" | |
1673 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1674 | select TRAD_SIGNALS | |
1675 | help | |
1676 | Select this option if you want to build a 32-bit kernel. | |
1677 | config 64BIT | |
1678 | bool "64-bit kernel" | |
1679 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1680 | help | |
1681 | Select this option if you want to build a 64-bit kernel. | |
1682 | ||
1683 | endchoice | |
1684 | ||
2235a54d SL |
1685 | config KVM_GUEST |
1686 | bool "KVM Guest Kernel" | |
f2a5b1d7 | 1687 | depends on BROKEN_ON_SMP |
2235a54d SL |
1688 | help |
1689 | Select this option if building a guest kernel for KVM (Trap & Emulate) mode | |
1690 | ||
1691 | config KVM_HOST_FREQ | |
1692 | int "KVM Host Processor Frequency (MHz)" | |
1693 | depends on KVM_GUEST | |
1694 | default 500 | |
1695 | help | |
1696 | Select this option if building a guest kernel for KVM to skip | |
1697 | RTC emulation when determining guest CPU Frequency. Instead, the guest | |
1698 | processor frequency is automatically derived from the host frequency. | |
1699 | ||
1da177e4 LT |
1700 | choice |
1701 | prompt "Kernel page size" | |
1702 | default PAGE_SIZE_4KB | |
1703 | ||
1704 | config PAGE_SIZE_4KB | |
1705 | bool "4kB" | |
315fe625 | 1706 | depends on !CPU_LOONGSON2 |
1da177e4 LT |
1707 | help |
1708 | This option select the standard 4kB Linux page size. On some | |
1709 | R3000-family processors this is the only available page size. Using | |
1710 | 4kB page size will minimize memory consumption and is therefore | |
1711 | recommended for low memory systems. | |
1712 | ||
1713 | config PAGE_SIZE_8KB | |
1714 | bool "8kB" | |
7d60717e | 1715 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1716 | help |
1717 | Using 8kB page size will result in higher performance kernel at | |
1718 | the price of higher memory consumption. This option is available | |
c52399be RB |
1719 | only on R8000 and cnMIPS processors. Note that you will need a |
1720 | suitable Linux distribution to support this. | |
1da177e4 LT |
1721 | |
1722 | config PAGE_SIZE_16KB | |
1723 | bool "16kB" | |
714bfad6 | 1724 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1725 | help |
1726 | Using 16kB page size will result in higher performance kernel at | |
1727 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1728 | all non-R3000 family processors. Note that you will need a suitable |
1729 | Linux distribution to support this. | |
1da177e4 | 1730 | |
c52399be RB |
1731 | config PAGE_SIZE_32KB |
1732 | bool "32kB" | |
1733 | depends on CPU_CAVIUM_OCTEON | |
1734 | help | |
1735 | Using 32kB page size will result in higher performance kernel at | |
1736 | the price of higher memory consumption. This option is available | |
1737 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1738 | distribution to support this. | |
1739 | ||
1da177e4 LT |
1740 | config PAGE_SIZE_64KB |
1741 | bool "64kB" | |
7d60717e | 1742 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1743 | help |
1744 | Using 64kB page size will result in higher performance kernel at | |
1745 | the price of higher memory consumption. This option is available on | |
1746 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1747 | writing this option is still high experimental. |
1da177e4 LT |
1748 | |
1749 | endchoice | |
1750 | ||
c9bace7c DD |
1751 | config FORCE_MAX_ZONEORDER |
1752 | int "Maximum zone order" | |
85f993b8 DD |
1753 | range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB |
1754 | default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB | |
1755 | range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1756 | default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1757 | range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB | |
1758 | default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB | |
c9bace7c DD |
1759 | range 11 64 |
1760 | default "11" | |
1761 | help | |
1762 | The kernel memory allocator divides physically contiguous memory | |
1763 | blocks into "zones", where each zone is a power of two number of | |
1764 | pages. This option selects the largest power of two that the kernel | |
1765 | keeps in the memory allocator. If you need to allocate very large | |
1766 | blocks of physically contiguous memory, then you may need to | |
1767 | increase this value. | |
1768 | ||
1769 | This config option is actually maximum order plus one. For example, | |
1770 | a value of 11 means that the largest free memory block is 2^10 pages. | |
1771 | ||
1772 | The page size is not necessarily 4KB. Keep this in mind | |
1773 | when choosing a value for this option. | |
1774 | ||
0ab2b7d0 RG |
1775 | config CEVT_GIC |
1776 | bool "Use GIC global counter for clock events" | |
1777 | depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC) | |
1778 | help | |
1779 | Use the GIC global counter for the clock events. The R4K clock | |
1780 | event driver is always present, so if the platform ends up not | |
1781 | detecting a GIC, it will fall back to the R4K timer for the | |
1782 | generation of clock events. | |
1783 | ||
1da177e4 LT |
1784 | config BOARD_SCACHE |
1785 | bool | |
1786 | ||
1787 | config IP22_CPU_SCACHE | |
1788 | bool | |
1789 | select BOARD_SCACHE | |
1790 | ||
9318c51a CD |
1791 | # |
1792 | # Support for a MIPS32 / MIPS64 style S-caches | |
1793 | # | |
1794 | config MIPS_CPU_SCACHE | |
1795 | bool | |
1796 | select BOARD_SCACHE | |
1797 | ||
1da177e4 LT |
1798 | config R5000_CPU_SCACHE |
1799 | bool | |
1800 | select BOARD_SCACHE | |
1801 | ||
1802 | config RM7000_CPU_SCACHE | |
1803 | bool | |
1804 | select BOARD_SCACHE | |
1805 | ||
1806 | config SIBYTE_DMA_PAGEOPS | |
1807 | bool "Use DMA to clear/copy pages" | |
1808 | depends on CPU_SB1 | |
1809 | help | |
1810 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1811 | channel. These DMA channels are otherwise unused by the standard | |
1812 | SiByte Linux port. Seems to give a small performance benefit. | |
1813 | ||
1814 | config CPU_HAS_PREFETCH | |
c8094b53 | 1815 | bool |
1da177e4 | 1816 | |
3165c846 FF |
1817 | config CPU_GENERIC_DUMP_TLB |
1818 | bool | |
1819 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
1820 | ||
91405eb6 FF |
1821 | config CPU_R4K_FPU |
1822 | bool | |
1823 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1824 | ||
62cedc4f FF |
1825 | config CPU_R4K_CACHE_TLB |
1826 | bool | |
1827 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1828 | ||
340ee4b9 RB |
1829 | choice |
1830 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1831 | |
1832 | config MIPS_MT_DISABLED | |
1833 | bool "Disable multithreading support." | |
1834 | help | |
1835 | Use this option if your workload can't take advantage of | |
1836 | MIPS hardware multithreading support. On systems that don't have | |
1837 | the option of an MT-enabled processor this option will be the only | |
1838 | option in this menu. | |
340ee4b9 | 1839 | |
59d6ab86 RB |
1840 | config MIPS_MT_SMP |
1841 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1842 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1843 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1844 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1845 | select MIPS_MT |
41c594ab | 1846 | select SMP |
0ab7aefc | 1847 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1848 | select SYS_SUPPORTS_SMP |
87353d8a | 1849 | select SMP_UP |
399aaa25 | 1850 | select MIPS_PERF_SHARED_TC_COUNTERS |
f41ae0b2 | 1851 | help |
25f12b33 RB |
1852 | This is a kernel model which is known a VSMP but lately has been |
1853 | marketesed into SMVP. | |
1854 | Virtual SMP uses the processor's VPEs to implement virtual | |
1855 | processors. In currently available configuration of the 34K processor | |
1856 | this allows for a dual processor. Both processors will share the same | |
1857 | primary caches; each will obtain the half of the TLB for it's own | |
1858 | exclusive use. For a layman this model can be described as similar to | |
1859 | what Intel calls Hyperthreading. | |
1860 | ||
1861 | For further information see http://www.linux-mips.org/wiki/34K#VSMP | |
41c594ab | 1862 | |
59d6ab86 RB |
1863 | config MIPS_MT_SMTC |
1864 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1865 | depends on CPU_MIPS32_R2 | |
1866 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1867 | depends on SYS_SUPPORTS_MULTITHREADING |
1868 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1869 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1870 | select MIPS_MT |
130e2fb7 | 1871 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1872 | select SMP |
73b76c78 | 1873 | select SYS_SUPPORTS_SMP |
87353d8a | 1874 | select SMP_UP |
f41ae0b2 | 1875 | help |
59d6ab86 RB |
1876 | This is a kernel model which is known a SMTC or lately has been |
1877 | marketesed into SMVP. | |
25f12b33 RB |
1878 | is presenting the available TC's of the core as processors to Linux. |
1879 | On currently available 34K processors this means a Linux system will | |
1880 | see up to 5 processors. The implementation of the SMTC kernel differs | |
1881 | significantly from VSMP and cannot efficiently coexist in the same | |
1882 | kernel binary so the choice between VSMP and SMTC is a compile time | |
1883 | decision. | |
1884 | ||
1885 | For further information see http://www.linux-mips.org/wiki/34K#SMTC | |
340ee4b9 | 1886 | |
340ee4b9 RB |
1887 | endchoice |
1888 | ||
f41ae0b2 RB |
1889 | config MIPS_MT |
1890 | bool | |
1891 | ||
0ab7aefc RB |
1892 | config SCHED_SMT |
1893 | bool "SMT (multithreading) scheduler support" | |
1894 | depends on SYS_SUPPORTS_SCHED_SMT | |
1895 | default n | |
1896 | help | |
1897 | SMT scheduler support improves the CPU scheduler's decision making | |
1898 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1899 | increased overhead in some places. If unsure say N here. | |
1900 | ||
1901 | config SYS_SUPPORTS_SCHED_SMT | |
1902 | bool | |
1903 | ||
f41ae0b2 RB |
1904 | config SYS_SUPPORTS_MULTITHREADING |
1905 | bool | |
1906 | ||
f088fc84 RB |
1907 | config MIPS_MT_FPAFF |
1908 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1909 | default y |
07cc0c9e RB |
1910 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1911 | ||
1912 | config MIPS_VPE_LOADER | |
1913 | bool "VPE loader support." | |
704e6460 | 1914 | depends on SYS_SUPPORTS_MULTITHREADING && MODULES |
07cc0c9e RB |
1915 | select CPU_MIPSR2_IRQ_VI |
1916 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1917 | select MIPS_MT |
1918 | help | |
1919 | Includes a loader for loading an elf relocatable object | |
1920 | onto another VPE and running it. | |
f088fc84 | 1921 | |
0db34215 KK |
1922 | config MIPS_MT_SMTC_IM_BACKSTOP |
1923 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1924 | depends on MIPS_MT_SMTC | |
8531a35e | 1925 | default n |
0db34215 KK |
1926 | help |
1927 | To support multiple TC microthreads acting as "CPUs" within | |
1928 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1929 | during interrupt handling. To support legacy drivers and interrupt | |
1930 | controller management code, SMTC has a "backstop" to track and | |
1931 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1932 | impact on interrupt service overhead. |
0db34215 | 1933 | |
f571eff0 KK |
1934 | config MIPS_MT_SMTC_IRQAFF |
1935 | bool "Support IRQ affinity API" | |
1936 | depends on MIPS_MT_SMTC | |
1937 | default n | |
1938 | help | |
1939 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1940 | for SMTC Linux kernel. Requires platform support, of which | |
1941 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1942 | platform code. Adds some overhead to interrupt dispatch, and |
1943 | should be used only if you know what you are doing. | |
f571eff0 | 1944 | |
e01402b1 RB |
1945 | config MIPS_VPE_LOADER_TOM |
1946 | bool "Load VPE program into memory hidden from linux" | |
1947 | depends on MIPS_VPE_LOADER | |
1948 | default y | |
1949 | help | |
1950 | The loader can use memory that is present but has been hidden from | |
1951 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1952 | you to ensure the amount you put in the option and the space your | |
1953 | program requires is less or equal to the amount physically present. | |
1954 | ||
1955 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1956 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1957 | bool "Enable support for AP/SP API (RTLX)" |
1958 | depends on MIPS_VPE_LOADER | |
1959 | help | |
e01402b1 | 1960 | |
4a16ff4c RB |
1961 | config MIPS_CMP |
1962 | bool "MIPS CMP framework support" | |
1963 | depends on SYS_SUPPORTS_MIPS_CMP | |
85f32dbd | 1964 | select SMP |
eb9b5141 | 1965 | select SYNC_R4K |
4a16ff4c RB |
1966 | select SYS_SUPPORTS_SMP |
1967 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1968 | select WEAK_ORDERING | |
1969 | default n | |
1970 | help | |
1971 | This is a placeholder option for the GCMP work. It will need to | |
1972 | be handled differently... | |
1973 | ||
1da177e4 LT |
1974 | config SB1_PASS_1_WORKAROUNDS |
1975 | bool | |
1976 | depends on CPU_SB1_PASS_1 | |
1977 | default y | |
1978 | ||
1979 | config SB1_PASS_2_WORKAROUNDS | |
1980 | bool | |
1981 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1982 | default y | |
1983 | ||
1984 | config SB1_PASS_2_1_WORKAROUNDS | |
1985 | bool | |
1986 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1987 | default y | |
1988 | ||
2235a54d | 1989 | |
1da177e4 | 1990 | config 64BIT_PHYS_ADDR |
d806cb2b | 1991 | bool |
1da177e4 | 1992 | |
60ec6571 | 1993 | config ARCH_PHYS_ADDR_T_64BIT |
1994 | def_bool 64BIT_PHYS_ADDR | |
1995 | ||
9693a853 FBH |
1996 | config CPU_HAS_SMARTMIPS |
1997 | depends on SYS_SUPPORTS_SMARTMIPS | |
1998 | bool "Support for the SmartMIPS ASE" | |
1999 | help | |
2000 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2001 | increased security at both hardware and software level for | |
2002 | smartcards. Enabling this option will allow proper use of the | |
2003 | SmartMIPS instructions by Linux applications. However a kernel with | |
2004 | this option will not work on a MIPS core without SmartMIPS core. If | |
2005 | you don't know you probably don't have SmartMIPS and should say N | |
2006 | here. | |
2007 | ||
bce86083 SH |
2008 | config CPU_MICROMIPS |
2009 | depends on SYS_SUPPORTS_MICROMIPS | |
2010 | bool "Build kernel using microMIPS ISA" | |
2011 | help | |
2012 | When this option is enabled the kernel will be built using the | |
2013 | microMIPS ISA | |
2014 | ||
1da177e4 | 2015 | config CPU_HAS_WB |
f7062ddb | 2016 | bool |
e01402b1 | 2017 | |
df0ac8a4 KC |
2018 | config XKS01 |
2019 | bool | |
2020 | ||
f41ae0b2 RB |
2021 | # |
2022 | # Vectored interrupt mode is an R2 feature | |
2023 | # | |
e01402b1 | 2024 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 2025 | bool |
e01402b1 | 2026 | |
f41ae0b2 RB |
2027 | # |
2028 | # Extended interrupt mode is an R2 feature | |
2029 | # | |
e01402b1 | 2030 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 2031 | bool |
e01402b1 | 2032 | |
1da177e4 LT |
2033 | config CPU_HAS_SYNC |
2034 | bool | |
2035 | depends on !CPU_R3000 | |
2036 | default y | |
2037 | ||
20d60d99 MR |
2038 | # |
2039 | # CPU non-features | |
2040 | # | |
2041 | config CPU_DADDI_WORKAROUNDS | |
2042 | bool | |
2043 | ||
2044 | config CPU_R4000_WORKAROUNDS | |
2045 | bool | |
2046 | select CPU_R4400_WORKAROUNDS | |
2047 | ||
2048 | config CPU_R4400_WORKAROUNDS | |
2049 | bool | |
2050 | ||
1da177e4 LT |
2051 | # |
2052 | # - Highmem only makes sense for the 32-bit kernel. | |
2053 | # - The current highmem code will only work properly on physically indexed | |
2054 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2055 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2056 | # moment we protect the user and offer the highmem option only on machines | |
2057 | # where it's known to be safe. This will not offer highmem on a few systems | |
2058 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2059 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
2060 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
2061 | # know they might have memory configurations that could make use of highmem | |
2062 | # support. | |
1da177e4 LT |
2063 | # |
2064 | config HIGHMEM | |
2065 | bool "High Memory Support" | |
797798c1 RB |
2066 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
2067 | ||
2068 | config CPU_SUPPORTS_HIGHMEM | |
2069 | bool | |
2070 | ||
2071 | config SYS_SUPPORTS_HIGHMEM | |
2072 | bool | |
1da177e4 | 2073 | |
9693a853 FBH |
2074 | config SYS_SUPPORTS_SMARTMIPS |
2075 | bool | |
2076 | ||
a6a4834c SH |
2077 | config SYS_SUPPORTS_MICROMIPS |
2078 | bool | |
2079 | ||
b4819b59 YY |
2080 | config ARCH_FLATMEM_ENABLE |
2081 | def_bool y | |
f133f22d | 2082 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 2083 | |
d8cb4e11 RB |
2084 | config ARCH_DISCONTIGMEM_ENABLE |
2085 | bool | |
2086 | default y if SGI_IP27 | |
2087 | help | |
3dde6ad8 | 2088 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
2089 | for architectures which are either NUMA (Non-Uniform Memory Access) |
2090 | or have huge holes in the physical address space for other reasons. | |
2091 | See <file:Documentation/vm/numa> for more. | |
2092 | ||
31473747 AN |
2093 | config ARCH_SPARSEMEM_ENABLE |
2094 | bool | |
7de58fab | 2095 | select SPARSEMEM_STATIC |
31473747 | 2096 | |
d8cb4e11 RB |
2097 | config NUMA |
2098 | bool "NUMA Support" | |
2099 | depends on SYS_SUPPORTS_NUMA | |
2100 | help | |
2101 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2102 | Access). This option improves performance on systems with more | |
2103 | than two nodes; on two node systems it is generally better to | |
2104 | leave it disabled; on single node systems disable this option | |
2105 | disabled. | |
2106 | ||
2107 | config SYS_SUPPORTS_NUMA | |
2108 | bool | |
2109 | ||
c80d79d7 YG |
2110 | config NODES_SHIFT |
2111 | int | |
2112 | default "6" | |
2113 | depends on NEED_MULTIPLE_NODES | |
2114 | ||
14f70012 DCZ |
2115 | config HW_PERF_EVENTS |
2116 | bool "Enable hardware performance counter support for perf events" | |
4be3d2f3 | 2117 | depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) |
14f70012 DCZ |
2118 | default y |
2119 | help | |
2120 | Enable hardware performance counter support for perf events. If | |
2121 | disabled, perf events will use software events only. | |
2122 | ||
b4819b59 YY |
2123 | source "mm/Kconfig" |
2124 | ||
1da177e4 LT |
2125 | config SMP |
2126 | bool "Multi-Processing support" | |
e73ea273 | 2127 | depends on SYS_SUPPORTS_SMP |
2f304c0a | 2128 | select USE_GENERIC_SMP_HELPERS |
e73ea273 | 2129 | help |
1da177e4 LT |
2130 | This enables support for systems with more than one CPU. If you have |
2131 | a system with only one CPU, like most personal computers, say N. If | |
2132 | you have a system with more than one CPU, say Y. | |
2133 | ||
2134 | If you say N here, the kernel will run on single and multiprocessor | |
2135 | machines, but will use only one CPU of a multiprocessor machine. If | |
2136 | you say Y here, the kernel will run on many, but not all, | |
2137 | singleprocessor machines. On a singleprocessor machine, the kernel | |
2138 | will run faster if you say N here. | |
2139 | ||
2140 | People using multiprocessor machines who say Y here should also say | |
2141 | Y to "Enhanced Real Time Clock Support", below. | |
2142 | ||
03502faa AB |
2143 | See also the SMP-HOWTO available at |
2144 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2145 | |
2146 | If you don't know what to do here, say N. | |
2147 | ||
87353d8a RB |
2148 | config SMP_UP |
2149 | bool | |
2150 | ||
4a16ff4c RB |
2151 | config SYS_SUPPORTS_MIPS_CMP |
2152 | bool | |
2153 | ||
e73ea273 RB |
2154 | config SYS_SUPPORTS_SMP |
2155 | bool | |
2156 | ||
130e2fb7 RB |
2157 | config NR_CPUS_DEFAULT_4 |
2158 | bool | |
2159 | ||
2160 | config NR_CPUS_DEFAULT_8 | |
2161 | bool | |
2162 | ||
2163 | config NR_CPUS_DEFAULT_16 | |
2164 | bool | |
2165 | ||
2166 | config NR_CPUS_DEFAULT_32 | |
2167 | bool | |
2168 | ||
2169 | config NR_CPUS_DEFAULT_64 | |
2170 | bool | |
2171 | ||
1da177e4 LT |
2172 | config NR_CPUS |
2173 | int "Maximum number of CPUs (2-64)" | |
c5eaff3e | 2174 | range 2 64 |
1da177e4 | 2175 | depends on SMP |
130e2fb7 RB |
2176 | default "4" if NR_CPUS_DEFAULT_4 |
2177 | default "8" if NR_CPUS_DEFAULT_8 | |
2178 | default "16" if NR_CPUS_DEFAULT_16 | |
2179 | default "32" if NR_CPUS_DEFAULT_32 | |
2180 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2181 | help |
2182 | This allows you to specify the maximum number of CPUs which this | |
2183 | kernel will support. The maximum supported value is 32 for 32-bit | |
2184 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2185 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2186 | and 2 for all others. | |
1da177e4 LT |
2187 | |
2188 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2189 | approximately eight kilobytes to the kernel image. For best |
2190 | performance should round up your number of processors to the next | |
2191 | power of two. | |
1da177e4 | 2192 | |
399aaa25 AC |
2193 | config MIPS_PERF_SHARED_TC_COUNTERS |
2194 | bool | |
2195 | ||
1723b4a3 AN |
2196 | # |
2197 | # Timer Interrupt Frequency Configuration | |
2198 | # | |
2199 | ||
2200 | choice | |
2201 | prompt "Timer frequency" | |
2202 | default HZ_250 | |
2203 | help | |
2204 | Allows the configuration of the timer frequency. | |
2205 | ||
2206 | config HZ_48 | |
0f873585 | 2207 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2208 | |
2209 | config HZ_100 | |
2210 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2211 | ||
2212 | config HZ_128 | |
2213 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2214 | ||
2215 | config HZ_250 | |
2216 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2217 | ||
2218 | config HZ_256 | |
2219 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2220 | ||
2221 | config HZ_1000 | |
2222 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2223 | ||
2224 | config HZ_1024 | |
2225 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2226 | ||
2227 | endchoice | |
2228 | ||
2229 | config SYS_SUPPORTS_48HZ | |
2230 | bool | |
2231 | ||
2232 | config SYS_SUPPORTS_100HZ | |
2233 | bool | |
2234 | ||
2235 | config SYS_SUPPORTS_128HZ | |
2236 | bool | |
2237 | ||
2238 | config SYS_SUPPORTS_250HZ | |
2239 | bool | |
2240 | ||
2241 | config SYS_SUPPORTS_256HZ | |
2242 | bool | |
2243 | ||
2244 | config SYS_SUPPORTS_1000HZ | |
2245 | bool | |
2246 | ||
2247 | config SYS_SUPPORTS_1024HZ | |
2248 | bool | |
2249 | ||
2250 | config SYS_SUPPORTS_ARBIT_HZ | |
2251 | bool | |
2252 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2253 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2254 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2255 | !SYS_SUPPORTS_1024HZ | |
2256 | ||
2257 | config HZ | |
2258 | int | |
2259 | default 48 if HZ_48 | |
2260 | default 100 if HZ_100 | |
2261 | default 128 if HZ_128 | |
2262 | default 250 if HZ_250 | |
2263 | default 256 if HZ_256 | |
2264 | default 1000 if HZ_1000 | |
2265 | default 1024 if HZ_1024 | |
2266 | ||
e80de850 | 2267 | source "kernel/Kconfig.preempt" |
1da177e4 | 2268 | |
ea6e942b | 2269 | config KEXEC |
7d60717e | 2270 | bool "Kexec system call" |
ea6e942b AN |
2271 | help |
2272 | kexec is a system call that implements the ability to shutdown your | |
2273 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2274 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2275 | you can start any kernel with it, not just Linux. |
2276 | ||
01dd2fbf | 2277 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2278 | |
2279 | It is an ongoing process to be certain the hardware in a machine | |
2280 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
2281 | initially work for you. As of this writing the exact hardware |
2282 | interface is strongly in flux, so no good recommendation can be | |
2283 | made. | |
ea6e942b | 2284 | |
7aa1c8f4 RB |
2285 | config CRASH_DUMP |
2286 | bool "Kernel crash dumps" | |
2287 | help | |
2288 | Generate crash dump after being started by kexec. | |
2289 | This should be normally only set in special crash dump kernels | |
2290 | which are loaded in the main kernel with kexec-tools into | |
2291 | a specially reserved region and then later executed after | |
2292 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2293 | to a memory address not used by the main kernel or firmware using | |
2294 | PHYSICAL_START. | |
2295 | ||
2296 | config PHYSICAL_START | |
2297 | hex "Physical address where the kernel is loaded" | |
2298 | default "0xffffffff84000000" if 64BIT | |
2299 | default "0x84000000" if 32BIT | |
2300 | depends on CRASH_DUMP | |
2301 | help | |
2302 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2303 | If you plan to use kernel for capturing the crash dump change | |
2304 | this value to start of the reserved region (the "X" value as | |
2305 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2306 | passed to the panic-ed kernel). | |
2307 | ||
ea6e942b AN |
2308 | config SECCOMP |
2309 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2310 | depends on PROC_FS |
ea6e942b AN |
2311 | default y |
2312 | help | |
2313 | This kernel feature is useful for number crunching applications | |
2314 | that may need to compute untrusted bytecode during their | |
2315 | execution. By using pipes or other transports made available to | |
2316 | the process as file descriptors supporting the read/write | |
2317 | syscalls, it's possible to isolate those applications in | |
2318 | their own address space using seccomp. Once seccomp is | |
2319 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2320 | and the task is only allowed to execute a few safe syscalls | |
2321 | defined by each seccomp mode. | |
2322 | ||
2323 | If unsure, say Y. Only embedded should say N here. | |
2324 | ||
36ecafc5 GF |
2325 | config CC_STACKPROTECTOR |
2326 | bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" | |
2327 | help | |
2328 | This option turns on the -fstack-protector GCC feature. This | |
2329 | feature puts, at the beginning of functions, a canary value on | |
2330 | the stack just before the return address, and validates | |
2331 | the value just before actually returning. Stack based buffer | |
2332 | overflows (that need to overwrite this return address) now also | |
2333 | overwrite the canary, which gets detected and the attack is then | |
2334 | neutralized via a kernel panic. | |
2335 | ||
2336 | This feature requires gcc version 4.2 or above. | |
2337 | ||
f2ffa5ab | 2338 | config USE_OF |
0b3e06fd | 2339 | bool |
f2ffa5ab | 2340 | select OF |
e6ce1324 | 2341 | select OF_EARLY_FLATTREE |
abd2363f | 2342 | select IRQ_DOMAIN |
f2ffa5ab | 2343 | |
5e83d430 RB |
2344 | endmenu |
2345 | ||
1df0f0ff AN |
2346 | config LOCKDEP_SUPPORT |
2347 | bool | |
2348 | default y | |
2349 | ||
2350 | config STACKTRACE_SUPPORT | |
2351 | bool | |
2352 | default y | |
2353 | ||
b6c3539b RB |
2354 | source "init/Kconfig" |
2355 | ||
dc52ddc0 MH |
2356 | source "kernel/Kconfig.freezer" |
2357 | ||
1da177e4 LT |
2358 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2359 | ||
5e83d430 RB |
2360 | config HW_HAS_EISA |
2361 | bool | |
1da177e4 LT |
2362 | config HW_HAS_PCI |
2363 | bool | |
2364 | ||
2365 | config PCI | |
2366 | bool "Support for PCI controller" | |
2367 | depends on HW_HAS_PCI | |
abb4ae46 | 2368 | select PCI_DOMAINS |
0f3b3956 | 2369 | select NO_GENERIC_PCI_IOPORT_MAP |
1da177e4 LT |
2370 | help |
2371 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2372 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2373 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2374 | say Y, otherwise N. | |
2375 | ||
1da177e4 LT |
2376 | config PCI_DOMAINS |
2377 | bool | |
1da177e4 LT |
2378 | |
2379 | source "drivers/pci/Kconfig" | |
2380 | ||
3f787ca4 JG |
2381 | source "drivers/pci/pcie/Kconfig" |
2382 | ||
1da177e4 LT |
2383 | # |
2384 | # ISA support is now enabled via select. Too many systems still have the one | |
2385 | # or other ISA chip on the board that users don't know about so don't expect | |
2386 | # users to choose the right thing ... | |
2387 | # | |
2388 | config ISA | |
2389 | bool | |
2390 | ||
2391 | config EISA | |
2392 | bool "EISA support" | |
5e83d430 | 2393 | depends on HW_HAS_EISA |
1da177e4 | 2394 | select ISA |
aa414dff | 2395 | select GENERIC_ISA_DMA |
1da177e4 LT |
2396 | ---help--- |
2397 | The Extended Industry Standard Architecture (EISA) bus was | |
2398 | developed as an open alternative to the IBM MicroChannel bus. | |
2399 | ||
2400 | The EISA bus provided some of the features of the IBM MicroChannel | |
2401 | bus while maintaining backward compatibility with cards made for | |
2402 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2403 | 1995 when it was made obsolete by the PCI bus. | |
2404 | ||
2405 | Say Y here if you are building a kernel for an EISA-based machine. | |
2406 | ||
2407 | Otherwise, say N. | |
2408 | ||
2409 | source "drivers/eisa/Kconfig" | |
2410 | ||
2411 | config TC | |
2412 | bool "TURBOchannel support" | |
2413 | depends on MACH_DECSTATION | |
2414 | help | |
50a23e6e JM |
2415 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2416 | processors. TURBOchannel programming specifications are available | |
2417 | at: | |
2418 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2419 | and: | |
2420 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2421 | Linux driver support status is documented at: | |
2422 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 | 2423 | |
1da177e4 LT |
2424 | config MMU |
2425 | bool | |
2426 | default y | |
2427 | ||
d865bea4 RB |
2428 | config I8253 |
2429 | bool | |
798778b8 | 2430 | select CLKSRC_I8253 |
2d02612f | 2431 | select CLKEVT_I8253 |
9726b43a | 2432 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2433 | |
e05eb3f8 RB |
2434 | config ZONE_DMA |
2435 | bool | |
2436 | ||
cce335ae RB |
2437 | config ZONE_DMA32 |
2438 | bool | |
2439 | ||
1da177e4 LT |
2440 | source "drivers/pcmcia/Kconfig" |
2441 | ||
2442 | source "drivers/pci/hotplug/Kconfig" | |
2443 | ||
388b78ad AB |
2444 | config RAPIDIO |
2445 | bool "RapidIO support" | |
2446 | depends on PCI | |
2447 | default n | |
2448 | help | |
2449 | If you say Y here, the kernel will include drivers and | |
2450 | infrastructure code to support RapidIO interconnect devices. | |
2451 | ||
2452 | source "drivers/rapidio/Kconfig" | |
2453 | ||
1da177e4 LT |
2454 | endmenu |
2455 | ||
2456 | menu "Executable file formats" | |
2457 | ||
2458 | source "fs/Kconfig.binfmt" | |
2459 | ||
2460 | config TRAD_SIGNALS | |
2461 | bool | |
1da177e4 | 2462 | |
1da177e4 LT |
2463 | config MIPS32_COMPAT |
2464 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2465 | depends on 64BIT |
1da177e4 LT |
2466 | help |
2467 | Select this option if you want Linux/MIPS 32-bit binary | |
2468 | compatibility. Since all software available for Linux/MIPS is | |
2469 | currently 32-bit you should say Y here. | |
2470 | ||
2471 | config COMPAT | |
2472 | bool | |
2473 | depends on MIPS32_COMPAT | |
48b25c43 | 2474 | select ARCH_WANT_OLD_COMPAT_IPC |
1da177e4 LT |
2475 | default y |
2476 | ||
05e43966 AN |
2477 | config SYSVIPC_COMPAT |
2478 | bool | |
2479 | depends on COMPAT && SYSVIPC | |
2480 | default y | |
2481 | ||
1da177e4 LT |
2482 | config MIPS32_O32 |
2483 | bool "Kernel support for o32 binaries" | |
2484 | depends on MIPS32_COMPAT | |
2485 | help | |
2486 | Select this option if you want to run o32 binaries. These are pure | |
2487 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2488 | existing binaries are in this format. | |
2489 | ||
2490 | If unsure, say Y. | |
2491 | ||
2492 | config MIPS32_N32 | |
2493 | bool "Kernel support for n32 binaries" | |
2494 | depends on MIPS32_COMPAT | |
2495 | help | |
2496 | Select this option if you want to run n32 binaries. These are | |
2497 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2498 | data that would normally be 64-bit. They are used in special | |
2499 | cases. | |
2500 | ||
2501 | If unsure, say N. | |
2502 | ||
2503 | config BINFMT_ELF32 | |
2504 | bool | |
2505 | default y if MIPS32_O32 || MIPS32_N32 | |
2506 | ||
2116245e RB |
2507 | endmenu |
2508 | ||
2509 | menu "Power management options" | |
2510 | ||
363c55ca WZ |
2511 | config ARCH_HIBERNATION_POSSIBLE |
2512 | def_bool y | |
3f5b3e17 | 2513 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 2514 | |
f4cb5700 JB |
2515 | config ARCH_SUSPEND_POSSIBLE |
2516 | def_bool y | |
3f5b3e17 | 2517 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 2518 | |
2116245e | 2519 | source "kernel/power/Kconfig" |
952fa954 | 2520 | |
1da177e4 LT |
2521 | endmenu |
2522 | ||
7a998935 VK |
2523 | config MIPS_EXTERNAL_TIMER |
2524 | bool | |
2525 | ||
2526 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
2527 | menu "CPU Power Management" | |
2528 | source "drivers/cpufreq/Kconfig" | |
2529 | endmenu | |
2530 | endif | |
9726b43a | 2531 | |
d5950b43 SR |
2532 | source "net/Kconfig" |
2533 | ||
1da177e4 LT |
2534 | source "drivers/Kconfig" |
2535 | ||
98cdee0e RB |
2536 | source "drivers/firmware/Kconfig" |
2537 | ||
1da177e4 LT |
2538 | source "fs/Kconfig" |
2539 | ||
2540 | source "arch/mips/Kconfig.debug" | |
2541 | ||
2542 | source "security/Kconfig" | |
2543 | ||
2544 | source "crypto/Kconfig" | |
2545 | ||
2546 | source "lib/Kconfig" | |
2235a54d SL |
2547 | |
2548 | source "arch/mips/kvm/Kconfig" |