Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
ec7748b5 | 4 | select HAVE_IDE |
42d4b839 | 5 | select HAVE_OPROFILE |
1da177e4 LT |
6 | # Horrible source of confusion. Die, die, die ... |
7 | select EMBEDDED | |
90b02340 | 8 | select RTC_LIB |
1da177e4 | 9 | |
875d43e7 RB |
10 | mainmenu "Linux/MIPS Kernel Configuration" |
11 | ||
1da177e4 LT |
12 | menu "Machine selection" |
13 | ||
5ac6da66 CL |
14 | config ZONE_DMA |
15 | bool | |
5ac6da66 | 16 | |
5e83d430 RB |
17 | choice |
18 | prompt "System type" | |
19 | default SGI_IP22 | |
1da177e4 | 20 | |
c3543e25 YY |
21 | config MACH_ALCHEMY |
22 | bool "Alchemy processor based machines" | |
1da177e4 | 23 | |
35189fad | 24 | config BASLER_EXCITE |
be91589e | 25 | bool "Basler eXcite smart camera" |
42f77542 | 26 | select CEVT_R4K |
940f6b48 | 27 | select CSRC_R4K |
35189fad RB |
28 | select DMA_COHERENT |
29 | select HW_HAS_PCI | |
30 | select IRQ_CPU | |
31 | select IRQ_CPU_RM7K | |
32 | select IRQ_CPU_RM9K | |
663c3d90 | 33 | select MIPS_RM9122 |
35189fad RB |
34 | select SYS_HAS_CPU_RM9000 |
35 | select SYS_SUPPORTS_32BIT_KERNEL | |
35189fad | 36 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 37 | select SYS_SUPPORTS_KGDB |
35189fad RB |
38 | help |
39 | The eXcite is a smart camera platform manufactured by | |
be91589e | 40 | Basler Vision Technologies AG. |
35189fad | 41 | |
1c0c13eb AJ |
42 | config BCM47XX |
43 | bool "BCM47XX based boards" | |
42f77542 | 44 | select CEVT_R4K |
940f6b48 | 45 | select CSRC_R4K |
1c0c13eb AJ |
46 | select DMA_NONCOHERENT |
47 | select HW_HAS_PCI | |
48 | select IRQ_CPU | |
49 | select SYS_HAS_CPU_MIPS32_R1 | |
50 | select SYS_SUPPORTS_32BIT_KERNEL | |
51 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
52 | select SSB | |
53 | select SSB_DRIVER_MIPS | |
2f02c15a AJ |
54 | select SSB_DRIVER_EXTIF |
55 | select SSB_PCICORE_HOSTMODE if PCI | |
1c0c13eb | 56 | select GENERIC_GPIO |
25e5fb97 AJ |
57 | select SYS_HAS_EARLY_PRINTK |
58 | select CFE | |
1c0c13eb AJ |
59 | help |
60 | Support for BCM47XX based boards | |
61 | ||
1da177e4 | 62 | config MIPS_COBALT |
3fa986fa | 63 | bool "Cobalt Server" |
42f77542 | 64 | select CEVT_R4K |
940f6b48 | 65 | select CSRC_R4K |
1097c6ac | 66 | select CEVT_GT641XX |
1da177e4 LT |
67 | select DMA_NONCOHERENT |
68 | select HW_HAS_PCI | |
d865bea4 | 69 | select I8253 |
1da177e4 LT |
70 | select I8259 |
71 | select IRQ_CPU | |
d5ab1a69 | 72 | select IRQ_GT641XX |
252161ec | 73 | select PCI_GT64XXX_PCI0 |
7cf8053b | 74 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 75 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 76 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 77 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 78 | select SYS_SUPPORTS_LITTLE_ENDIAN |
9fd32cfb | 79 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
80 | |
81 | config MACH_DECSTATION | |
3fa986fa | 82 | bool "DECstations" |
1da177e4 | 83 | select BOOT_ELF32 |
6457d9fc | 84 | select CEVT_DS1287 |
42f77542 | 85 | select CEVT_R4K |
4247417d | 86 | select CSRC_IOASIC |
940f6b48 | 87 | select CSRC_R4K |
20d60d99 MR |
88 | select CPU_DADDI_WORKAROUNDS if 64BIT |
89 | select CPU_R4000_WORKAROUNDS if 64BIT | |
90 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 91 | select DMA_NONCOHERENT |
d388d685 | 92 | select NO_IOPORT |
1da177e4 | 93 | select IRQ_CPU |
7cf8053b RB |
94 | select SYS_HAS_CPU_R3000 |
95 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb YY |
96 | select SYS_SUPPORTS_32BIT_KERNEL |
97 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
5e83d430 | 98 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
99 | select SYS_SUPPORTS_128HZ |
100 | select SYS_SUPPORTS_256HZ | |
101 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 102 | help |
1da177e4 LT |
103 | This enables support for DEC's MIPS based workstations. For details |
104 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
105 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
106 | ||
107 | If you have one of the following DECstation Models you definitely | |
108 | want to choose R4xx0 for the CPU Type: | |
109 | ||
9308816c RB |
110 | DECstation 5000/50 |
111 | DECstation 5000/150 | |
112 | DECstation 5000/260 | |
113 | DECsystem 5900/260 | |
1da177e4 LT |
114 | |
115 | otherwise choose R3000. | |
116 | ||
5e83d430 | 117 | config MACH_JAZZ |
3fa986fa | 118 | bool "Jazz family of machines" |
5e83d430 RB |
119 | select ARC |
120 | select ARC32 | |
121 | select ARCH_MAY_HAVE_PC_FDC | |
42f77542 | 122 | select CEVT_R4K |
940f6b48 | 123 | select CSRC_R4K |
e2defae5 | 124 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 125 | select GENERIC_ISA_DMA |
ea202c63 | 126 | select IRQ_CPU |
d865bea4 | 127 | select I8253 |
5e83d430 RB |
128 | select I8259 |
129 | select ISA | |
7cf8053b | 130 | select SYS_HAS_CPU_R4X00 |
5e83d430 RB |
131 | select SYS_SUPPORTS_32BIT_KERNEL |
132 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
1723b4a3 | 133 | select SYS_SUPPORTS_100HZ |
9fd32cfb | 134 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 | 135 | help |
5e83d430 RB |
136 | This a family of machines based on the MIPS R4030 chipset which was |
137 | used by several vendors to build RISC/os and Windows NT workstations. | |
138 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and | |
139 | Olivetti M700-10 workstations. | |
140 | ||
1f21d2bd BM |
141 | config LASAT |
142 | bool "LASAT Networks platforms" | |
42f77542 | 143 | select CEVT_R4K |
940f6b48 | 144 | select CSRC_R4K |
1f21d2bd BM |
145 | select DMA_NONCOHERENT |
146 | select SYS_HAS_EARLY_PRINTK | |
147 | select HW_HAS_PCI | |
a5ccfe5c | 148 | select IRQ_CPU |
1f21d2bd BM |
149 | select PCI_GT64XXX_PCI0 |
150 | select MIPS_NILE4 | |
151 | select R5000_CPU_SCACHE | |
152 | select SYS_HAS_CPU_R5000 | |
153 | select SYS_SUPPORTS_32BIT_KERNEL | |
154 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
155 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
156 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
157 | ||
ade299d8 YY |
158 | config LEMOTE_FULONG |
159 | bool "Lemote Fulong mini-PC" | |
160 | select ARCH_SPARSEMEM_ENABLE | |
42f77542 | 161 | select CEVT_R4K |
940f6b48 | 162 | select CSRC_R4K |
ade299d8 YY |
163 | select SYS_HAS_CPU_LOONGSON2 |
164 | select DMA_NONCOHERENT | |
165 | select BOOT_ELF32 | |
166 | select BOARD_SCACHE | |
167 | select HAVE_STD_PC_SERIAL_PORT | |
168 | select HW_HAS_PCI | |
169 | select I8259 | |
170 | select ISA | |
171 | select IRQ_CPU | |
172 | select SYS_SUPPORTS_32BIT_KERNEL | |
173 | select SYS_SUPPORTS_64BIT_KERNEL | |
174 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
175 | select SYS_SUPPORTS_HIGHMEM | |
176 | select SYS_HAS_EARLY_PRINTK | |
177 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
23dd6d35 | 178 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
ade299d8 YY |
179 | select CPU_HAS_WB |
180 | help | |
181 | Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and | |
182 | an FPGA northbridge | |
183 | ||
1da177e4 | 184 | config MIPS_ATLAS |
3fa986fa | 185 | bool "MIPS Atlas board" |
1da177e4 | 186 | select BOOT_ELF32 |
fa71c960 | 187 | select BOOT_RAW |
42f77542 | 188 | select CEVT_R4K |
940f6b48 | 189 | select CSRC_R4K |
1da177e4 | 190 | select DMA_NONCOHERENT |
36a88530 | 191 | select SYS_HAS_EARLY_PRINTK |
5e83d430 | 192 | select IRQ_CPU |
1da177e4 | 193 | select HW_HAS_PCI |
5e83d430 RB |
194 | select MIPS_BOARDS_GEN |
195 | select MIPS_BONITO64 | |
252161ec | 196 | select PCI_GT64XXX_PCI0 |
5e83d430 | 197 | select MIPS_MSC |
f4b7cdb4 | 198 | select RM7000_CPU_SCACHE |
1da177e4 | 199 | select SWAP_IO_SPACE |
7cf8053b RB |
200 | select SYS_HAS_CPU_MIPS32_R1 |
201 | select SYS_HAS_CPU_MIPS32_R2 | |
202 | select SYS_HAS_CPU_MIPS64_R1 | |
203 | select SYS_HAS_CPU_NEVADA | |
204 | select SYS_HAS_CPU_RM7000 | |
ed5ba2fb YY |
205 | select SYS_SUPPORTS_32BIT_KERNEL |
206 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
207 | select SYS_SUPPORTS_BIG_ENDIAN |
208 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f41ae0b2 | 209 | select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL |
9693a853 | 210 | select SYS_SUPPORTS_SMARTMIPS |
e77c232c | 211 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 | 212 | help |
f638d197 | 213 | This enables support for the MIPS Technologies Atlas evaluation |
1da177e4 LT |
214 | board. |
215 | ||
216 | config MIPS_MALTA | |
3fa986fa | 217 | bool "MIPS Malta board" |
61ed242d | 218 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 219 | select BOOT_ELF32 |
fa71c960 | 220 | select BOOT_RAW |
42f77542 | 221 | select CEVT_R4K |
940f6b48 | 222 | select CSRC_R4K |
1da177e4 LT |
223 | select DMA_NONCOHERENT |
224 | select GENERIC_ISA_DMA | |
aa414dff | 225 | select IRQ_CPU |
39b8d525 | 226 | select IRQ_GIC |
1da177e4 | 227 | select HW_HAS_PCI |
d865bea4 | 228 | select I8253 |
1da177e4 | 229 | select I8259 |
5e83d430 RB |
230 | select MIPS_BOARDS_GEN |
231 | select MIPS_BONITO64 | |
9318c51a | 232 | select MIPS_CPU_SCACHE |
252161ec | 233 | select PCI_GT64XXX_PCI0 |
5e83d430 | 234 | select MIPS_MSC |
1da177e4 | 235 | select SWAP_IO_SPACE |
7cf8053b RB |
236 | select SYS_HAS_CPU_MIPS32_R1 |
237 | select SYS_HAS_CPU_MIPS32_R2 | |
238 | select SYS_HAS_CPU_MIPS64_R1 | |
239 | select SYS_HAS_CPU_NEVADA | |
240 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 241 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
242 | select SYS_SUPPORTS_32BIT_KERNEL |
243 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
244 | select SYS_SUPPORTS_BIG_ENDIAN |
245 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f41ae0b2 | 246 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 247 | select SYS_SUPPORTS_SMARTMIPS |
1da177e4 | 248 | help |
f638d197 | 249 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
250 | board. |
251 | ||
252 | config MIPS_SEAD | |
d98cc84d | 253 | bool "MIPS SEAD board" |
42f77542 | 254 | select CEVT_R4K |
940f6b48 | 255 | select CSRC_R4K |
1da177e4 LT |
256 | select IRQ_CPU |
257 | select DMA_NONCOHERENT | |
36a88530 | 258 | select SYS_HAS_EARLY_PRINTK |
5e83d430 | 259 | select MIPS_BOARDS_GEN |
7cf8053b RB |
260 | select SYS_HAS_CPU_MIPS32_R1 |
261 | select SYS_HAS_CPU_MIPS32_R2 | |
262 | select SYS_HAS_CPU_MIPS64_R1 | |
ed5ba2fb | 263 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 RB |
264 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
265 | select SYS_SUPPORTS_BIG_ENDIAN | |
266 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
9693a853 | 267 | select SYS_SUPPORTS_SMARTMIPS |
f638d197 MR |
268 | help |
269 | This enables support for the MIPS Technologies SEAD evaluation | |
270 | board. | |
1da177e4 | 271 | |
5e83d430 | 272 | config MIPS_SIM |
3fa986fa | 273 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 274 | select CEVT_R4K |
940f6b48 | 275 | select CSRC_R4K |
1da177e4 | 276 | select DMA_NONCOHERENT |
36a88530 | 277 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 278 | select IRQ_CPU |
9267a30d | 279 | select BOOT_RAW |
7cf8053b RB |
280 | select SYS_HAS_CPU_MIPS32_R1 |
281 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 282 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 283 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 284 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 285 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 286 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 287 | help |
5e83d430 RB |
288 | This option enables support for MIPS Technologies MIPSsim software |
289 | emulator. | |
1da177e4 | 290 | |
ade299d8 YY |
291 | config MARKEINS |
292 | bool "NEC EMMA2RH Mark-eins" | |
42f77542 | 293 | select CEVT_R4K |
940f6b48 | 294 | select CSRC_R4K |
ade299d8 YY |
295 | select DMA_NONCOHERENT |
296 | select HW_HAS_PCI | |
297 | select IRQ_CPU | |
298 | select SWAP_IO_SPACE | |
299 | select SYS_SUPPORTS_32BIT_KERNEL | |
300 | select SYS_SUPPORTS_BIG_ENDIAN | |
301 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
302 | select SYS_HAS_CPU_R5000 | |
303 | help | |
304 | This enables support for the R5432-based NEC Mark-eins | |
305 | boards with R5500 CPU. | |
306 | ||
5e83d430 | 307 | config MACH_VR41XX |
74142d65 | 308 | bool "NEC VR4100 series based machines" |
42f77542 | 309 | select CEVT_R4K |
940f6b48 | 310 | select CSRC_R4K |
7cf8053b | 311 | select SYS_HAS_CPU_VR41XX |
9fd32cfb | 312 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 313 | |
ade299d8 | 314 | config PNX8550_JBS |
a92b0588 | 315 | bool "NXP PNX8550 based JBS board" |
ade299d8 YY |
316 | select PNX8550 |
317 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
318 | ||
319 | config PNX8550_STB810 | |
a92b0588 | 320 | bool "NXP PNX8550 based STB810 board" |
ade299d8 YY |
321 | select PNX8550 |
322 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
323 | ||
9267a30d MSJ |
324 | config PMC_MSP |
325 | bool "PMC-Sierra MSP chipsets" | |
326 | depends on EXPERIMENTAL | |
327 | select DMA_NONCOHERENT | |
328 | select SWAP_IO_SPACE | |
329 | select NO_EXCEPT_FILL | |
330 | select BOOT_RAW | |
331 | select SYS_HAS_CPU_MIPS32_R1 | |
332 | select SYS_HAS_CPU_MIPS32_R2 | |
333 | select SYS_SUPPORTS_32BIT_KERNEL | |
334 | select SYS_SUPPORTS_BIG_ENDIAN | |
335 | select SYS_SUPPORTS_KGDB | |
336 | select IRQ_CPU | |
337 | select SERIAL_8250 | |
338 | select SERIAL_8250_CONSOLE | |
339 | help | |
340 | This adds support for the PMC-Sierra family of Multi-Service | |
341 | Processor System-On-A-Chips. These parts include a number | |
342 | of integrated peripherals, interfaces and DSPs in addition to | |
343 | a variety of MIPS cores. | |
344 | ||
5e83d430 | 345 | config PMC_YOSEMITE |
3fa986fa | 346 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 347 | select CEVT_R4K |
940f6b48 | 348 | select CSRC_R4K |
5e83d430 RB |
349 | select DMA_COHERENT |
350 | select HW_HAS_PCI | |
351 | select IRQ_CPU | |
352 | select IRQ_CPU_RM7K | |
353 | select IRQ_CPU_RM9K | |
354 | select SWAP_IO_SPACE | |
7cf8053b | 355 | select SYS_HAS_CPU_RM9000 |
36a88530 | 356 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
357 | select SYS_SUPPORTS_32BIT_KERNEL |
358 | select SYS_SUPPORTS_64BIT_KERNEL | |
359 | select SYS_SUPPORTS_BIG_ENDIAN | |
360 | select SYS_SUPPORTS_HIGHMEM | |
cc801077 | 361 | select SYS_SUPPORTS_KGDB |
e73ea273 | 362 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
363 | help |
364 | Yosemite is an evaluation board for the RM9000x2 processor | |
365 | manufactured by PMC-Sierra. | |
1da177e4 | 366 | |
1da177e4 | 367 | config SGI_IP22 |
3fa986fa | 368 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
369 | select ARC |
370 | select ARC32 | |
371 | select BOOT_ELF32 | |
42f77542 | 372 | select CEVT_R4K |
940f6b48 | 373 | select CSRC_R4K |
e2defae5 | 374 | select DEFAULT_SGI_PARTITION |
1da177e4 | 375 | select DMA_NONCOHERENT |
5e83d430 | 376 | select HW_HAS_EISA |
d865bea4 | 377 | select I8253 |
68de4803 | 378 | select I8259 |
1da177e4 LT |
379 | select IP22_CPU_SCACHE |
380 | select IRQ_CPU | |
aa414dff | 381 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
382 | select SGI_HAS_DS1286 |
383 | select SGI_HAS_I8042 | |
384 | select SGI_HAS_INDYDOG | |
385 | select SGI_HAS_SEEQ | |
386 | select SGI_HAS_WD93 | |
387 | select SGI_HAS_ZILOG | |
1da177e4 | 388 | select SWAP_IO_SPACE |
7cf8053b RB |
389 | select SYS_HAS_CPU_R4X00 |
390 | select SYS_HAS_CPU_R5000 | |
36a88530 | 391 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
392 | select SYS_SUPPORTS_32BIT_KERNEL |
393 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 394 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
395 | help |
396 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
397 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
398 | that runs on these, say Y here. | |
399 | ||
400 | config SGI_IP27 | |
3fa986fa | 401 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
402 | select ARC |
403 | select ARC64 | |
5e83d430 | 404 | select BOOT_ELF64 |
e2defae5 | 405 | select DEFAULT_SGI_PARTITION |
1da177e4 | 406 | select DMA_IP27 |
36a88530 | 407 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 408 | select HW_HAS_PCI |
130e2fb7 | 409 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 410 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 411 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 412 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 413 | select SYS_SUPPORTS_KGDB |
d8cb4e11 | 414 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 415 | select SYS_SUPPORTS_SMP |
e77c232c | 416 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
417 | help |
418 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
419 | workstations. To compile a Linux kernel that runs on these, say Y | |
420 | here. | |
421 | ||
e2defae5 TB |
422 | config SGI_IP28 |
423 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
424 | depends on EXPERIMENTAL | |
425 | select ARC | |
426 | select ARC64 | |
427 | select BOOT_ELF64 | |
428 | select CEVT_R4K | |
429 | select CSRC_R4K | |
430 | select DEFAULT_SGI_PARTITION | |
431 | select DMA_NONCOHERENT | |
432 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
433 | select IRQ_CPU | |
434 | select HW_HAS_EISA | |
435 | select I8253 | |
436 | select I8259 | |
437 | select SGI_HAS_DS1286 | |
438 | select SGI_HAS_I8042 | |
439 | select SGI_HAS_INDYDOG | |
440 | select SGI_HAS_SEEQ | |
441 | select SGI_HAS_WD93 | |
442 | select SGI_HAS_ZILOG | |
443 | select SWAP_IO_SPACE | |
444 | select SYS_HAS_CPU_R10000 | |
445 | select SYS_HAS_EARLY_PRINTK | |
446 | select SYS_SUPPORTS_64BIT_KERNEL | |
447 | select SYS_SUPPORTS_BIG_ENDIAN | |
448 | help | |
449 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
450 | kernel that runs on these, say Y here. | |
451 | ||
1da177e4 | 452 | config SGI_IP32 |
cfd2afc0 | 453 | bool "SGI IP32 (O2)" |
1da177e4 LT |
454 | select ARC |
455 | select ARC32 | |
456 | select BOOT_ELF32 | |
42f77542 | 457 | select CEVT_R4K |
940f6b48 | 458 | select CSRC_R4K |
1da177e4 LT |
459 | select DMA_NONCOHERENT |
460 | select HW_HAS_PCI | |
dd67b155 | 461 | select IRQ_CPU |
1da177e4 LT |
462 | select R5000_CPU_SCACHE |
463 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
464 | select SYS_HAS_CPU_R5000 |
465 | select SYS_HAS_CPU_R10000 if BROKEN | |
466 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 467 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 468 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 469 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 470 | help |
5e83d430 | 471 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 472 | |
ade299d8 YY |
473 | config SIBYTE_CRHINE |
474 | bool "Sibyte BCM91120C-CRhine" | |
475 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
476 | select BOOT_ELF32 |
477 | select DMA_COHERENT | |
ade299d8 | 478 | select SIBYTE_BCM1120 |
9a6dcea1 | 479 | select SWAP_IO_SPACE |
7cf8053b | 480 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
481 | select SYS_SUPPORTS_BIG_ENDIAN |
482 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
483 | ||
ade299d8 YY |
484 | config SIBYTE_CARMEL |
485 | bool "Sibyte BCM91120x-Carmel" | |
486 | depends on EXPERIMENTAL | |
5e83d430 | 487 | select BOOT_ELF32 |
1da177e4 | 488 | select DMA_COHERENT |
ade299d8 | 489 | select SIBYTE_BCM1120 |
5e83d430 | 490 | select SWAP_IO_SPACE |
7cf8053b | 491 | select SYS_HAS_CPU_SB1 |
81731f79 | 492 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 493 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 494 | |
ade299d8 YY |
495 | config SIBYTE_CRHONE |
496 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
497 | depends on EXPERIMENTAL |
498 | select BOOT_ELF32 | |
499 | select DMA_COHERENT | |
ade299d8 | 500 | select SIBYTE_BCM1125 |
5e83d430 | 501 | select SWAP_IO_SPACE |
7cf8053b | 502 | select SYS_HAS_CPU_SB1 |
5e83d430 | 503 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 504 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 505 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 506 | |
5e83d430 | 507 | config SIBYTE_RHONE |
3fa986fa | 508 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
509 | depends on EXPERIMENTAL |
510 | select BOOT_ELF32 | |
511 | select DMA_COHERENT | |
512 | select SIBYTE_BCM1125H | |
513 | select SWAP_IO_SPACE | |
7cf8053b | 514 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
515 | select SYS_SUPPORTS_BIG_ENDIAN |
516 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 517 | |
ade299d8 YY |
518 | config SIBYTE_SWARM |
519 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 520 | select BOOT_ELF32 |
26a940e2 | 521 | select DMA_COHERENT |
ade299d8 YY |
522 | select NR_CPUS_DEFAULT_2 |
523 | select SIBYTE_SB1250 | |
5e83d430 | 524 | select SWAP_IO_SPACE |
7cf8053b | 525 | select SYS_HAS_CPU_SB1 |
5e83d430 | 526 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 YY |
527 | select SYS_SUPPORTS_HIGHMEM |
528 | select SYS_SUPPORTS_KGDB | |
e3ad1c23 | 529 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 530 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 531 | |
ade299d8 YY |
532 | config SIBYTE_LITTLESUR |
533 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
534 | depends on EXPERIMENTAL |
535 | select BOOT_ELF32 | |
536 | select DMA_COHERENT | |
130e2fb7 | 537 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
538 | select SIBYTE_SB1250 |
539 | select SWAP_IO_SPACE | |
7cf8053b | 540 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
541 | select SYS_SUPPORTS_BIG_ENDIAN |
542 | select SYS_SUPPORTS_HIGHMEM | |
543 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 544 | |
ade299d8 YY |
545 | config SIBYTE_SENTOSA |
546 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
547 | depends on EXPERIMENTAL |
548 | select BOOT_ELF32 | |
549 | select DMA_COHERENT | |
130e2fb7 | 550 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
551 | select SIBYTE_SB1250 |
552 | select SWAP_IO_SPACE | |
7cf8053b | 553 | select SYS_HAS_CPU_SB1 |
5e83d430 | 554 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 555 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 556 | |
ade299d8 YY |
557 | config SIBYTE_BIGSUR |
558 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
559 | select BOOT_ELF32 |
560 | select DMA_COHERENT | |
ade299d8 | 561 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 562 | select SIBYTE_BCM1x80 |
5e83d430 | 563 | select SWAP_IO_SPACE |
7cf8053b | 564 | select SYS_HAS_CPU_SB1 |
5e83d430 | 565 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 566 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 567 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 568 | select ZONE_DMA32 if 64BIT |
1da177e4 | 569 | |
14b36af4 TB |
570 | config SNI_RM |
571 | bool "SNI RM200/300/400" | |
4a0312fc TB |
572 | select ARC if CPU_LITTLE_ENDIAN |
573 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 574 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 575 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 576 | select BOOT_ELF32 |
42f77542 | 577 | select CEVT_R4K |
940f6b48 | 578 | select CSRC_R4K |
e2defae5 | 579 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
580 | select DMA_NONCOHERENT |
581 | select GENERIC_ISA_DMA | |
5e83d430 | 582 | select HW_HAS_EISA |
1da177e4 | 583 | select HW_HAS_PCI |
c066a32a | 584 | select IRQ_CPU |
d865bea4 | 585 | select I8253 |
1da177e4 LT |
586 | select I8259 |
587 | select ISA | |
4a0312fc | 588 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 589 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 590 | select SYS_HAS_CPU_R5000 |
c066a32a | 591 | select SYS_HAS_CPU_R10000 |
4a0312fc | 592 | select R5000_CPU_SCACHE |
36a88530 | 593 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
594 | select SYS_SUPPORTS_32BIT_KERNEL |
595 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 596 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 597 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 598 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 599 | help |
14b36af4 TB |
600 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
601 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
602 | Technology and now in turn merged with Fujitsu. Say Y here to |
603 | support this machine type. | |
604 | ||
5e83d430 | 605 | config TOSHIBA_JMR3927 |
3fa986fa | 606 | bool "Toshiba JMR-TX3927 board" |
229f773e | 607 | select CEVT_TXX9 |
5e83d430 RB |
608 | select DMA_NONCOHERENT |
609 | select HW_HAS_PCI | |
610 | select MIPS_TX3927 | |
c87abd75 | 611 | select IRQ_TXX9 |
5e83d430 | 612 | select SWAP_IO_SPACE |
7cf8053b | 613 | select SYS_HAS_CPU_TX39XX |
5e83d430 | 614 | select SYS_SUPPORTS_32BIT_KERNEL |
6a2603a2 | 615 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 616 | select SYS_SUPPORTS_BIG_ENDIAN |
2127435e | 617 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1bd0962e | 618 | select GPIO_TXX9 |
5e83d430 | 619 | |
1da177e4 | 620 | config TOSHIBA_RBTX4927 |
08a91283 | 621 | bool "Toshiba RBTX49[23]7 board" |
42f77542 | 622 | select CEVT_R4K |
940f6b48 | 623 | select CSRC_R4K |
229f773e | 624 | select CEVT_TXX9 |
1da177e4 LT |
625 | select DMA_NONCOHERENT |
626 | select HAS_TXX9_SERIAL | |
627 | select HW_HAS_PCI | |
c87abd75 AN |
628 | select IRQ_CPU |
629 | select IRQ_TXX9 | |
630 | select I8259 if TOSHIBA_FPCIB0 | |
1da177e4 | 631 | select SWAP_IO_SPACE |
7cf8053b | 632 | select SYS_HAS_CPU_TX49XX |
ed5ba2fb YY |
633 | select SYS_SUPPORTS_32BIT_KERNEL |
634 | select SYS_SUPPORTS_64BIT_KERNEL | |
6a2603a2 | 635 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 636 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 637 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 638 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
639 | help |
640 | This Toshiba board is based on the TX4927 processor. Say Y here to | |
641 | support this machine type | |
642 | ||
5e83d430 | 643 | config TOSHIBA_RBTX4938 |
3fa986fa | 644 | bool "Toshiba RBTX4938 board" |
42f77542 | 645 | select CEVT_R4K |
940f6b48 | 646 | select CSRC_R4K |
229f773e | 647 | select CEVT_TXX9 |
5e83d430 | 648 | select DMA_NONCOHERENT |
5e83d430 RB |
649 | select HAS_TXX9_SERIAL |
650 | select HW_HAS_PCI | |
c87abd75 AN |
651 | select IRQ_CPU |
652 | select IRQ_TXX9 | |
5e83d430 | 653 | select SWAP_IO_SPACE |
7cf8053b | 654 | select SYS_HAS_CPU_TX49XX |
5e83d430 RB |
655 | select SYS_SUPPORTS_32BIT_KERNEL |
656 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
657 | select SYS_SUPPORTS_BIG_ENDIAN | |
cc801077 | 658 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 659 | select GENERIC_HARDIRQS_NO__DO_IRQ |
4cad154b | 660 | select GPIO_TXX9 |
5e83d430 RB |
661 | help |
662 | This Toshiba board is based on the TX4938 processor. Say Y here to | |
663 | support this machine type | |
664 | ||
ade299d8 YY |
665 | config WR_PPMC |
666 | bool "Wind River PPMC board" | |
42f77542 | 667 | select CEVT_R4K |
940f6b48 | 668 | select CSRC_R4K |
ade299d8 YY |
669 | select IRQ_CPU |
670 | select BOOT_ELF32 | |
671 | select DMA_NONCOHERENT | |
672 | select HW_HAS_PCI | |
673 | select PCI_GT64XXX_PCI0 | |
674 | select SWAP_IO_SPACE | |
675 | select SYS_HAS_CPU_MIPS32_R1 | |
676 | select SYS_HAS_CPU_MIPS32_R2 | |
677 | select SYS_HAS_CPU_MIPS64_R1 | |
678 | select SYS_HAS_CPU_NEVADA | |
679 | select SYS_HAS_CPU_RM7000 | |
680 | select SYS_SUPPORTS_32BIT_KERNEL | |
681 | select SYS_SUPPORTS_64BIT_KERNEL | |
682 | select SYS_SUPPORTS_BIG_ENDIAN | |
683 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
684 | help | |
685 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
686 | board, which is based on GT64120 bridge chip. | |
687 | ||
5e83d430 | 688 | endchoice |
1da177e4 | 689 | |
c3543e25 | 690 | source "arch/mips/au1000/Kconfig" |
9c746edb | 691 | source "arch/mips/basler/excite/Kconfig" |
5e83d430 | 692 | source "arch/mips/jazz/Kconfig" |
1f21d2bd | 693 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 694 | source "arch/mips/pmc-sierra/Kconfig" |
29c48699 | 695 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 696 | source "arch/mips/sibyte/Kconfig" |
5e83d430 | 697 | source "arch/mips/tx4927/Kconfig" |
23fbee9d | 698 | source "arch/mips/tx4938/Kconfig" |
5e83d430 | 699 | source "arch/mips/vr41xx/Kconfig" |
38b18f72 | 700 | |
5e83d430 RB |
701 | endmenu |
702 | ||
95c354fe NP |
703 | config GENERIC_LOCKBREAK |
704 | bool | |
705 | default y | |
706 | depends on SMP && PREEMPT | |
707 | ||
1da177e4 LT |
708 | config RWSEM_GENERIC_SPINLOCK |
709 | bool | |
710 | default y | |
711 | ||
712 | config RWSEM_XCHGADD_ALGORITHM | |
713 | bool | |
714 | ||
f0d1b0b3 DH |
715 | config ARCH_HAS_ILOG2_U32 |
716 | bool | |
717 | default n | |
718 | ||
719 | config ARCH_HAS_ILOG2_U64 | |
720 | bool | |
721 | default n | |
722 | ||
00a58253 RB |
723 | config ARCH_SUPPORTS_OPROFILE |
724 | bool | |
725 | default y if !MIPS_MT_SMTC | |
726 | ||
3c9ee7ef AM |
727 | config GENERIC_FIND_NEXT_BIT |
728 | bool | |
729 | default y | |
730 | ||
731 | config GENERIC_HWEIGHT | |
732 | bool | |
733 | default y | |
734 | ||
1da177e4 LT |
735 | config GENERIC_CALIBRATE_DELAY |
736 | bool | |
737 | default y | |
738 | ||
7bcf7717 RB |
739 | config GENERIC_CLOCKEVENTS |
740 | bool | |
741 | default y | |
742 | ||
8db02010 RB |
743 | config GENERIC_TIME |
744 | bool | |
745 | default y | |
746 | ||
f5ff0a28 RB |
747 | config GENERIC_CMOS_UPDATE |
748 | bool | |
749 | default y | |
750 | ||
1cc89038 AN |
751 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
752 | bool | |
753 | default y | |
754 | ||
e77c232c FBH |
755 | config GENERIC_HARDIRQS_NO__DO_IRQ |
756 | bool | |
757 | default n | |
758 | ||
1da177e4 LT |
759 | # |
760 | # Select some configuration options automatically based on user selections. | |
761 | # | |
762 | config ARC | |
763 | bool | |
1da177e4 | 764 | |
61ed242d RB |
765 | config ARCH_MAY_HAVE_PC_FDC |
766 | bool | |
767 | ||
9267a30d MSJ |
768 | config BOOT_RAW |
769 | bool | |
770 | ||
217dd11e RB |
771 | config CEVT_BCM1480 |
772 | bool | |
773 | ||
6457d9fc YY |
774 | config CEVT_DS1287 |
775 | bool | |
776 | ||
1097c6ac YY |
777 | config CEVT_GT641XX |
778 | bool | |
779 | ||
42f77542 RB |
780 | config CEVT_R4K |
781 | bool | |
782 | ||
217dd11e RB |
783 | config CEVT_SB1250 |
784 | bool | |
785 | ||
229f773e AN |
786 | config CEVT_TXX9 |
787 | bool | |
788 | ||
217dd11e RB |
789 | config CSRC_BCM1480 |
790 | bool | |
791 | ||
4247417d YY |
792 | config CSRC_IOASIC |
793 | bool | |
794 | ||
940f6b48 RB |
795 | config CSRC_R4K |
796 | bool | |
797 | ||
217dd11e RB |
798 | config CSRC_SB1250 |
799 | bool | |
800 | ||
a9aec7fe AN |
801 | config GPIO_TXX9 |
802 | select GENERIC_GPIO | |
803 | select HAVE_GPIO_LIB | |
804 | bool | |
805 | ||
df78b5c8 AJ |
806 | config CFE |
807 | bool | |
808 | ||
4ce588cd | 809 | config DMA_COHERENT |
1da177e4 LT |
810 | bool |
811 | ||
4ce588cd | 812 | config DMA_IP27 |
1da177e4 LT |
813 | bool |
814 | ||
4ce588cd RB |
815 | config DMA_NONCOHERENT |
816 | bool | |
817 | select DMA_NEED_PCI_MAP_STATE | |
818 | ||
819 | config DMA_NEED_PCI_MAP_STATE | |
1da177e4 LT |
820 | bool |
821 | ||
822 | config EARLY_PRINTK | |
36a88530 RB |
823 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
824 | depends on SYS_HAS_EARLY_PRINTK | |
825 | default y | |
826 | help | |
827 | This option enables special console drivers which allow the kernel | |
828 | to print messages very early in the bootup process. | |
829 | ||
830 | This is useful for kernel debugging when your machine crashes very | |
490dcc4d RD |
831 | early before the console code is initialized. For normal operation, |
832 | it is not recommended because it looks ugly on some machines and | |
833 | doesn't cooperate with an X server. You should normally say N here, | |
36a88530 RB |
834 | unless you want to debug such a crash. |
835 | ||
836 | config SYS_HAS_EARLY_PRINTK | |
1da177e4 | 837 | bool |
1da177e4 | 838 | |
dbb74540 RB |
839 | config HOTPLUG_CPU |
840 | bool | |
841 | default n | |
842 | ||
1da177e4 LT |
843 | config I8259 |
844 | bool | |
1da177e4 | 845 | |
1da177e4 LT |
846 | config MIPS_BONITO64 |
847 | bool | |
1da177e4 LT |
848 | |
849 | config MIPS_MSC | |
850 | bool | |
1da177e4 | 851 | |
1f21d2bd BM |
852 | config MIPS_NILE4 |
853 | bool | |
854 | ||
1da177e4 LT |
855 | config MIPS_DISABLE_OBSOLETE_IDE |
856 | bool | |
857 | ||
39b8d525 RB |
858 | config SYNC_R4K |
859 | bool | |
860 | ||
d388d685 MR |
861 | config NO_IOPORT |
862 | def_bool n | |
863 | ||
8313da30 RB |
864 | config GENERIC_ISA_DMA |
865 | bool | |
866 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
867 | ||
aa414dff RB |
868 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
869 | bool | |
8313da30 | 870 | select GENERIC_ISA_DMA |
aa414dff | 871 | |
09663335 YY |
872 | config GENERIC_GPIO |
873 | bool | |
874 | ||
5e83d430 | 875 | # |
3cb2fccc | 876 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
877 | # answer,so we try hard to limit the available choices. Also the use of a |
878 | # choice statement should be more obvious to the user. | |
879 | # | |
880 | choice | |
881 | prompt "Endianess selection" | |
1da177e4 LT |
882 | help |
883 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 884 | byte order. These modes require different kernels and a different |
3cb2fccc | 885 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 886 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 887 | one or the other endianness. |
5e83d430 RB |
888 | |
889 | config CPU_BIG_ENDIAN | |
890 | bool "Big endian" | |
891 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
892 | ||
893 | config CPU_LITTLE_ENDIAN | |
894 | bool "Little endian" | |
895 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
896 | help | |
897 | ||
898 | endchoice | |
899 | ||
2116245e RB |
900 | config SYS_SUPPORTS_APM_EMULATION |
901 | bool | |
902 | ||
5e83d430 RB |
903 | config SYS_SUPPORTS_BIG_ENDIAN |
904 | bool | |
905 | ||
906 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
907 | bool | |
1da177e4 LT |
908 | |
909 | config IRQ_CPU | |
910 | bool | |
911 | ||
912 | config IRQ_CPU_RM7K | |
913 | bool | |
914 | ||
5e83d430 RB |
915 | config IRQ_CPU_RM9K |
916 | bool | |
917 | ||
9267a30d MSJ |
918 | config IRQ_MSP_SLP |
919 | bool | |
920 | ||
921 | config IRQ_MSP_CIC | |
922 | bool | |
923 | ||
8420fd00 AN |
924 | config IRQ_TXX9 |
925 | bool | |
926 | ||
d5ab1a69 YY |
927 | config IRQ_GT641XX |
928 | bool | |
929 | ||
39b8d525 RB |
930 | config IRQ_GIC |
931 | bool | |
932 | ||
1da177e4 LT |
933 | config MIPS_BOARDS_GEN |
934 | bool | |
1da177e4 | 935 | |
252161ec | 936 | config PCI_GT64XXX_PCI0 |
1da177e4 | 937 | bool |
1da177e4 | 938 | |
9267a30d MSJ |
939 | config NO_EXCEPT_FILL |
940 | bool | |
941 | ||
1da177e4 LT |
942 | config MIPS_TX3927 |
943 | bool | |
1da177e4 | 944 | select HAS_TXX9_SERIAL |
1da177e4 | 945 | |
663c3d90 | 946 | config MIPS_RM9122 |
947 | bool | |
948 | select SERIAL_RM9000 | |
663c3d90 | 949 | |
bdf21b18 PP |
950 | config PNX8550 |
951 | bool | |
952 | select SOC_PNX8550 | |
953 | ||
954 | config SOC_PNX8550 | |
955 | bool | |
bdf21b18 PP |
956 | select DMA_NONCOHERENT |
957 | select HW_HAS_PCI | |
b8c2a77c | 958 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 959 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 960 | select SYS_SUPPORTS_32BIT_KERNEL |
e77c232c | 961 | select GENERIC_HARDIRQS_NO__DO_IRQ |
cc801077 | 962 | select SYS_SUPPORTS_KGDB |
4ead1681 | 963 | select GENERIC_GPIO |
bdf21b18 | 964 | |
1da177e4 LT |
965 | config SWAP_IO_SPACE |
966 | bool | |
967 | ||
355c471f | 968 | config EMMA2RH |
969 | bool | |
970 | depends on MARKEINS | |
971 | default y | |
972 | ||
663c3d90 | 973 | config SERIAL_RM9000 |
974 | bool | |
975 | ||
e2defae5 TB |
976 | config SGI_HAS_DS1286 |
977 | bool | |
978 | ||
979 | config SGI_HAS_INDYDOG | |
980 | bool | |
981 | ||
982 | config SGI_HAS_SEEQ | |
983 | bool | |
984 | ||
985 | config SGI_HAS_WD93 | |
986 | bool | |
987 | ||
988 | config SGI_HAS_ZILOG | |
989 | bool | |
990 | ||
991 | config SGI_HAS_I8042 | |
992 | bool | |
993 | ||
994 | config DEFAULT_SGI_PARTITION | |
995 | bool | |
996 | ||
5e83d430 RB |
997 | config ARC32 |
998 | bool | |
999 | ||
231a35d3 TB |
1000 | config SNIPROM |
1001 | bool | |
1002 | ||
1da177e4 LT |
1003 | config BOOT_ELF32 |
1004 | bool | |
1da177e4 LT |
1005 | |
1006 | config MIPS_L1_CACHE_SHIFT | |
1007 | int | |
06cf5583 | 1008 | default "4" if MACH_DECSTATION |
e2defae5 | 1009 | default "7" if SGI_IP27 || SGI_IP28 || SNI_RM |
9267a30d | 1010 | default "4" if PMC_MSP4200_EVAL |
1da177e4 LT |
1011 | default "5" |
1012 | ||
1da177e4 LT |
1013 | config HAVE_STD_PC_SERIAL_PORT |
1014 | bool | |
1015 | ||
1da177e4 LT |
1016 | config ARC_CONSOLE |
1017 | bool "ARC console support" | |
e2defae5 | 1018 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1019 | |
1020 | config ARC_MEMORY | |
1021 | bool | |
14b36af4 | 1022 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1023 | default y |
1024 | ||
1025 | config ARC_PROMLIB | |
1026 | bool | |
e2defae5 | 1027 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1028 | default y |
1029 | ||
1030 | config ARC64 | |
1031 | bool | |
1da177e4 LT |
1032 | |
1033 | config BOOT_ELF64 | |
1034 | bool | |
1da177e4 | 1035 | |
1da177e4 LT |
1036 | menu "CPU selection" |
1037 | ||
1038 | choice | |
1039 | prompt "CPU type" | |
1040 | default CPU_R4X00 | |
1041 | ||
2a21c730 FZ |
1042 | config CPU_LOONGSON2 |
1043 | bool "Loongson 2" | |
1044 | depends on SYS_HAS_CPU_LOONGSON2 | |
1045 | select CPU_SUPPORTS_32BIT_KERNEL | |
1046 | select CPU_SUPPORTS_64BIT_KERNEL | |
1047 | select CPU_SUPPORTS_HIGHMEM | |
1048 | help | |
1049 | The Loongson 2E processor implements the MIPS III instruction set | |
1050 | with many extensions. | |
1051 | ||
6e760c8d RB |
1052 | config CPU_MIPS32_R1 |
1053 | bool "MIPS32 Release 1" | |
7cf8053b | 1054 | depends on SYS_HAS_CPU_MIPS32_R1 |
f7062ddb | 1055 | select CPU_HAS_LLSC |
6e760c8d | 1056 | select CPU_HAS_PREFETCH |
797798c1 | 1057 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1058 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1059 | help |
5e83d430 | 1060 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1061 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1062 | MIPS processor are based on a MIPS32 processor. If you know the | |
1063 | specific type of processor in your system, choose those that one | |
1064 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1065 | Release 2 of the MIPS32 architecture is available since several | |
1066 | years so chances are you even have a MIPS32 Release 2 processor | |
1067 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1068 | performance. | |
1069 | ||
1070 | config CPU_MIPS32_R2 | |
1071 | bool "MIPS32 Release 2" | |
7cf8053b | 1072 | depends on SYS_HAS_CPU_MIPS32_R2 |
f7062ddb | 1073 | select CPU_HAS_LLSC |
1e5f1caa | 1074 | select CPU_HAS_PREFETCH |
797798c1 | 1075 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1076 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1077 | help |
5e83d430 | 1078 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1079 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1080 | MIPS processor are based on a MIPS32 processor. If you know the | |
1081 | specific type of processor in your system, choose those that one | |
1082 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1083 | ||
1084 | config CPU_MIPS64_R1 | |
1085 | bool "MIPS64 Release 1" | |
7cf8053b | 1086 | depends on SYS_HAS_CPU_MIPS64_R1 |
f7062ddb | 1087 | select CPU_HAS_LLSC |
797798c1 | 1088 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1089 | select CPU_SUPPORTS_32BIT_KERNEL |
1090 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1091 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d RB |
1092 | help |
1093 | Choose this option to build a kernel for release 1 or later of the | |
1094 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1095 | MIPS processor are based on a MIPS64 processor. If you know the | |
1096 | specific type of processor in your system, choose those that one | |
1097 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1098 | Release 2 of the MIPS64 architecture is available since several |
1099 | years so chances are you even have a MIPS64 Release 2 processor | |
1100 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1101 | performance. | |
1102 | ||
1103 | config CPU_MIPS64_R2 | |
1104 | bool "MIPS64 Release 2" | |
7cf8053b | 1105 | depends on SYS_HAS_CPU_MIPS64_R2 |
f7062ddb | 1106 | select CPU_HAS_LLSC |
797798c1 | 1107 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1108 | select CPU_SUPPORTS_32BIT_KERNEL |
1109 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1110 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa RB |
1111 | help |
1112 | Choose this option to build a kernel for release 2 or later of the | |
1113 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1114 | MIPS processor are based on a MIPS64 processor. If you know the | |
1115 | specific type of processor in your system, choose those that one | |
1116 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1117 | |
1118 | config CPU_R3000 | |
1119 | bool "R3000" | |
7cf8053b | 1120 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1121 | select CPU_HAS_WB |
ed5ba2fb | 1122 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1123 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1124 | help |
1125 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1126 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1127 | *not* work on R4000 machines and vice versa. However, since most | |
1128 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1129 | might be a safe bet. If the resulting kernel does not work, | |
1130 | try to recompile with R3000. | |
1131 | ||
1132 | config CPU_TX39XX | |
1133 | bool "R39XX" | |
7cf8053b | 1134 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1135 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1136 | |
1137 | config CPU_VR41XX | |
1138 | bool "R41xx" | |
7cf8053b | 1139 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1140 | select CPU_SUPPORTS_32BIT_KERNEL |
1141 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1142 | help |
5e83d430 | 1143 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1144 | Only choose this option if you have one of these processors as a |
1145 | kernel built with this option will not run on any other type of | |
1146 | processor or vice versa. | |
1147 | ||
1148 | config CPU_R4300 | |
1149 | bool "R4300" | |
7cf8053b | 1150 | depends on SYS_HAS_CPU_R4300 |
f7062ddb | 1151 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1152 | select CPU_SUPPORTS_32BIT_KERNEL |
1153 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1154 | help |
1155 | MIPS Technologies R4300-series processors. | |
1156 | ||
1157 | config CPU_R4X00 | |
1158 | bool "R4x00" | |
7cf8053b | 1159 | depends on SYS_HAS_CPU_R4X00 |
f7062ddb | 1160 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1161 | select CPU_SUPPORTS_32BIT_KERNEL |
1162 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1163 | help |
1164 | MIPS Technologies R4000-series processors other than 4300, including | |
1165 | the R4000, R4400, R4600, and 4700. | |
1166 | ||
1167 | config CPU_TX49XX | |
1168 | bool "R49XX" | |
7cf8053b | 1169 | depends on SYS_HAS_CPU_TX49XX |
f7062ddb | 1170 | select CPU_HAS_LLSC |
de862b48 | 1171 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1172 | select CPU_SUPPORTS_32BIT_KERNEL |
1173 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1174 | |
1175 | config CPU_R5000 | |
1176 | bool "R5000" | |
7cf8053b | 1177 | depends on SYS_HAS_CPU_R5000 |
f7062ddb | 1178 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1179 | select CPU_SUPPORTS_32BIT_KERNEL |
1180 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1181 | help |
1182 | MIPS Technologies R5000-series processors other than the Nevada. | |
1183 | ||
1184 | config CPU_R5432 | |
1185 | bool "R5432" | |
7cf8053b | 1186 | depends on SYS_HAS_CPU_R5432 |
f7062ddb | 1187 | select CPU_HAS_LLSC |
5e83d430 RB |
1188 | select CPU_SUPPORTS_32BIT_KERNEL |
1189 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1190 | |
1191 | config CPU_R6000 | |
1192 | bool "R6000" | |
ed5ba2fb | 1193 | depends on EXPERIMENTAL |
f7062ddb | 1194 | select CPU_HAS_LLSC |
7cf8053b | 1195 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1196 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1197 | help |
1198 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1199 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1200 | |
1201 | config CPU_NEVADA | |
1202 | bool "RM52xx" | |
7cf8053b | 1203 | depends on SYS_HAS_CPU_NEVADA |
f7062ddb | 1204 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1205 | select CPU_SUPPORTS_32BIT_KERNEL |
1206 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1207 | help |
1208 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1209 | ||
1210 | config CPU_R8000 | |
1211 | bool "R8000" | |
ed5ba2fb | 1212 | depends on EXPERIMENTAL |
7cf8053b | 1213 | depends on SYS_HAS_CPU_R8000 |
f7062ddb | 1214 | select CPU_HAS_LLSC |
5e83d430 | 1215 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1216 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1217 | help |
1218 | MIPS Technologies R8000 processors. Note these processors are | |
1219 | uncommon and the support for them is incomplete. | |
1220 | ||
1221 | config CPU_R10000 | |
1222 | bool "R10000" | |
7cf8053b | 1223 | depends on SYS_HAS_CPU_R10000 |
f7062ddb | 1224 | select CPU_HAS_LLSC |
5e83d430 | 1225 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1226 | select CPU_SUPPORTS_32BIT_KERNEL |
1227 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1228 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1229 | help |
1230 | MIPS Technologies R10000-series processors. | |
1231 | ||
1232 | config CPU_RM7000 | |
1233 | bool "RM7000" | |
7cf8053b | 1234 | depends on SYS_HAS_CPU_RM7000 |
f7062ddb | 1235 | select CPU_HAS_LLSC |
5e83d430 | 1236 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1237 | select CPU_SUPPORTS_32BIT_KERNEL |
1238 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1239 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1240 | |
1241 | config CPU_RM9000 | |
1242 | bool "RM9000" | |
7cf8053b | 1243 | depends on SYS_HAS_CPU_RM9000 |
f7062ddb | 1244 | select CPU_HAS_LLSC |
5e83d430 | 1245 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1246 | select CPU_SUPPORTS_32BIT_KERNEL |
1247 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1248 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1249 | select WEAK_ORDERING |
1da177e4 LT |
1250 | |
1251 | config CPU_SB1 | |
1252 | bool "SB1" | |
7cf8053b | 1253 | depends on SYS_HAS_CPU_SB1 |
f7062ddb | 1254 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1255 | select CPU_SUPPORTS_32BIT_KERNEL |
1256 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1257 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1258 | select WEAK_ORDERING |
1da177e4 LT |
1259 | |
1260 | endchoice | |
1261 | ||
2a21c730 FZ |
1262 | config SYS_HAS_CPU_LOONGSON2 |
1263 | bool | |
1264 | ||
7cf8053b RB |
1265 | config SYS_HAS_CPU_MIPS32_R1 |
1266 | bool | |
1267 | ||
1268 | config SYS_HAS_CPU_MIPS32_R2 | |
1269 | bool | |
1270 | ||
1271 | config SYS_HAS_CPU_MIPS64_R1 | |
1272 | bool | |
1273 | ||
1274 | config SYS_HAS_CPU_MIPS64_R2 | |
1275 | bool | |
1276 | ||
1277 | config SYS_HAS_CPU_R3000 | |
1278 | bool | |
1279 | ||
1280 | config SYS_HAS_CPU_TX39XX | |
1281 | bool | |
1282 | ||
1283 | config SYS_HAS_CPU_VR41XX | |
1284 | bool | |
1285 | ||
1286 | config SYS_HAS_CPU_R4300 | |
1287 | bool | |
1288 | ||
1289 | config SYS_HAS_CPU_R4X00 | |
1290 | bool | |
1291 | ||
1292 | config SYS_HAS_CPU_TX49XX | |
1293 | bool | |
1294 | ||
1295 | config SYS_HAS_CPU_R5000 | |
1296 | bool | |
1297 | ||
1298 | config SYS_HAS_CPU_R5432 | |
1299 | bool | |
1300 | ||
1301 | config SYS_HAS_CPU_R6000 | |
1302 | bool | |
1303 | ||
1304 | config SYS_HAS_CPU_NEVADA | |
1305 | bool | |
1306 | ||
1307 | config SYS_HAS_CPU_R8000 | |
1308 | bool | |
1309 | ||
1310 | config SYS_HAS_CPU_R10000 | |
1311 | bool | |
1312 | ||
1313 | config SYS_HAS_CPU_RM7000 | |
1314 | bool | |
1315 | ||
1316 | config SYS_HAS_CPU_RM9000 | |
1317 | bool | |
1318 | ||
1319 | config SYS_HAS_CPU_SB1 | |
1320 | bool | |
1321 | ||
17099b11 RB |
1322 | # |
1323 | # CPU may reorder R->R, R->W, W->R, W->W | |
1324 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1325 | # | |
0004a9df RB |
1326 | config WEAK_ORDERING |
1327 | bool | |
17099b11 RB |
1328 | |
1329 | # | |
1330 | # CPU may reorder reads and writes beyond LL/SC | |
1331 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1332 | # | |
1333 | config WEAK_REORDERING_BEYOND_LLSC | |
1334 | bool | |
5e83d430 RB |
1335 | endmenu |
1336 | ||
1337 | # | |
c09b47d8 | 1338 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1339 | # |
1340 | config CPU_MIPS32 | |
1341 | bool | |
1342 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1343 | ||
1344 | config CPU_MIPS64 | |
1345 | bool | |
1346 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1347 | ||
1348 | # | |
c09b47d8 | 1349 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1350 | # |
1351 | config CPU_MIPSR1 | |
1352 | bool | |
1353 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1354 | ||
1355 | config CPU_MIPSR2 | |
1356 | bool | |
1357 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 | |
1358 | ||
1359 | config SYS_SUPPORTS_32BIT_KERNEL | |
1360 | bool | |
1361 | config SYS_SUPPORTS_64BIT_KERNEL | |
1362 | bool | |
1363 | config CPU_SUPPORTS_32BIT_KERNEL | |
1364 | bool | |
1365 | config CPU_SUPPORTS_64BIT_KERNEL | |
1366 | bool | |
1367 | ||
1368 | menu "Kernel type" | |
1369 | ||
1370 | choice | |
1371 | ||
1372 | prompt "Kernel code model" | |
1373 | help | |
1374 | You should only select this option if you have a workload that | |
1375 | actually benefits from 64-bit processing or if your machine has | |
1376 | large memory. You will only be presented a single option in this | |
1377 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1378 | ||
1379 | config 32BIT | |
1380 | bool "32-bit kernel" | |
1381 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1382 | select TRAD_SIGNALS | |
1383 | help | |
1384 | Select this option if you want to build a 32-bit kernel. | |
1385 | config 64BIT | |
1386 | bool "64-bit kernel" | |
1387 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1388 | help | |
1389 | Select this option if you want to build a 64-bit kernel. | |
1390 | ||
1391 | endchoice | |
1392 | ||
1da177e4 LT |
1393 | choice |
1394 | prompt "Kernel page size" | |
1395 | default PAGE_SIZE_4KB | |
1396 | ||
1397 | config PAGE_SIZE_4KB | |
1398 | bool "4kB" | |
1399 | help | |
1400 | This option select the standard 4kB Linux page size. On some | |
1401 | R3000-family processors this is the only available page size. Using | |
1402 | 4kB page size will minimize memory consumption and is therefore | |
1403 | recommended for low memory systems. | |
1404 | ||
1405 | config PAGE_SIZE_8KB | |
1406 | bool "8kB" | |
1407 | depends on EXPERIMENTAL && CPU_R8000 | |
1408 | help | |
1409 | Using 8kB page size will result in higher performance kernel at | |
1410 | the price of higher memory consumption. This option is available | |
1411 | only on the R8000 processor. Not that at the time of this writing | |
1412 | this option is still high experimental; there are also issues with | |
1413 | compatibility of user applications. | |
1414 | ||
1415 | config PAGE_SIZE_16KB | |
1416 | bool "16kB" | |
714bfad6 | 1417 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1418 | help |
1419 | Using 16kB page size will result in higher performance kernel at | |
1420 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1421 | all non-R3000 family processors. Note that you will need a suitable |
1422 | Linux distribution to support this. | |
1da177e4 LT |
1423 | |
1424 | config PAGE_SIZE_64KB | |
1425 | bool "64kB" | |
1426 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1427 | help | |
1428 | Using 64kB page size will result in higher performance kernel at | |
1429 | the price of higher memory consumption. This option is available on | |
1430 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1431 | writing this option is still high experimental. |
1da177e4 LT |
1432 | |
1433 | endchoice | |
1434 | ||
1435 | config BOARD_SCACHE | |
1436 | bool | |
1437 | ||
1438 | config IP22_CPU_SCACHE | |
1439 | bool | |
1440 | select BOARD_SCACHE | |
1441 | ||
9318c51a CD |
1442 | # |
1443 | # Support for a MIPS32 / MIPS64 style S-caches | |
1444 | # | |
1445 | config MIPS_CPU_SCACHE | |
1446 | bool | |
1447 | select BOARD_SCACHE | |
1448 | ||
1da177e4 LT |
1449 | config R5000_CPU_SCACHE |
1450 | bool | |
1451 | select BOARD_SCACHE | |
1452 | ||
1453 | config RM7000_CPU_SCACHE | |
1454 | bool | |
1455 | select BOARD_SCACHE | |
1456 | ||
1457 | config SIBYTE_DMA_PAGEOPS | |
1458 | bool "Use DMA to clear/copy pages" | |
1459 | depends on CPU_SB1 | |
1460 | help | |
1461 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1462 | channel. These DMA channels are otherwise unused by the standard | |
1463 | SiByte Linux port. Seems to give a small performance benefit. | |
1464 | ||
1465 | config CPU_HAS_PREFETCH | |
c8094b53 | 1466 | bool |
1da177e4 | 1467 | |
340ee4b9 RB |
1468 | choice |
1469 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1470 | |
1471 | config MIPS_MT_DISABLED | |
1472 | bool "Disable multithreading support." | |
1473 | help | |
1474 | Use this option if your workload can't take advantage of | |
1475 | MIPS hardware multithreading support. On systems that don't have | |
1476 | the option of an MT-enabled processor this option will be the only | |
1477 | option in this menu. | |
340ee4b9 | 1478 | |
59d6ab86 RB |
1479 | config MIPS_MT_SMP |
1480 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1481 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1482 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1483 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1484 | select MIPS_MT |
f510aa3b | 1485 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1486 | select SMP |
0ab7aefc | 1487 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1488 | select SYS_SUPPORTS_SMP |
87353d8a | 1489 | select SMP_UP |
f41ae0b2 | 1490 | help |
59d6ab86 RB |
1491 | This is a kernel model which is also known a VSMP or lately |
1492 | has been marketesed into SMVP. | |
41c594ab | 1493 | |
59d6ab86 RB |
1494 | config MIPS_MT_SMTC |
1495 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1496 | depends on CPU_MIPS32_R2 | |
1497 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 | 1498 | depends on SYS_SUPPORTS_MULTITHREADING |
ea580401 | 1499 | select GENERIC_CLOCKEVENTS_BROADCAST |
f41ae0b2 | 1500 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1501 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1502 | select MIPS_MT |
130e2fb7 | 1503 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1504 | select SMP |
73b76c78 | 1505 | select SYS_SUPPORTS_SMP |
87353d8a | 1506 | select SMP_UP |
f41ae0b2 | 1507 | help |
59d6ab86 RB |
1508 | This is a kernel model which is known a SMTC or lately has been |
1509 | marketesed into SMVP. | |
340ee4b9 | 1510 | |
340ee4b9 RB |
1511 | endchoice |
1512 | ||
f41ae0b2 RB |
1513 | config MIPS_MT |
1514 | bool | |
1515 | ||
0ab7aefc RB |
1516 | config SCHED_SMT |
1517 | bool "SMT (multithreading) scheduler support" | |
1518 | depends on SYS_SUPPORTS_SCHED_SMT | |
1519 | default n | |
1520 | help | |
1521 | SMT scheduler support improves the CPU scheduler's decision making | |
1522 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1523 | increased overhead in some places. If unsure say N here. | |
1524 | ||
1525 | config SYS_SUPPORTS_SCHED_SMT | |
1526 | bool | |
1527 | ||
1528 | ||
f41ae0b2 RB |
1529 | config SYS_SUPPORTS_MULTITHREADING |
1530 | bool | |
1531 | ||
f088fc84 RB |
1532 | config MIPS_MT_FPAFF |
1533 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1534 | default y |
07cc0c9e RB |
1535 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1536 | ||
1537 | config MIPS_VPE_LOADER | |
1538 | bool "VPE loader support." | |
1539 | depends on SYS_SUPPORTS_MULTITHREADING | |
1540 | select CPU_MIPSR2_IRQ_VI | |
1541 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1542 | select MIPS_MT |
1543 | help | |
1544 | Includes a loader for loading an elf relocatable object | |
1545 | onto another VPE and running it. | |
f088fc84 | 1546 | |
ac8be955 RB |
1547 | config MIPS_MT_SMTC_INSTANT_REPLAY |
1548 | bool "Low-latency Dispatch of Deferred SMTC IPIs" | |
619af723 | 1549 | depends on MIPS_MT_SMTC && !PREEMPT |
ac8be955 RB |
1550 | default y |
1551 | help | |
1552 | SMTC pseudo-interrupts between TCs are deferred and queued | |
1553 | if the target TC is interrupt-inhibited (IXMT). In the first | |
1554 | SMTC prototypes, these queued IPIs were serviced on return | |
1555 | to user mode, or on entry into the kernel idle loop. The | |
1556 | INSTANT_REPLAY option dispatches them as part of local_irq_restore() | |
1557 | processing, which adds runtime overhead (hence the option to turn | |
1558 | it off), but ensures that IPIs are handled promptly even under | |
1559 | heavy I/O interrupt load. | |
1560 | ||
0db34215 KK |
1561 | config MIPS_MT_SMTC_IM_BACKSTOP |
1562 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1563 | depends on MIPS_MT_SMTC | |
1564 | default y | |
1565 | help | |
1566 | To support multiple TC microthreads acting as "CPUs" within | |
1567 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1568 | during interrupt handling. To support legacy drivers and interrupt | |
1569 | controller management code, SMTC has a "backstop" to track and | |
1570 | if necessary restore the interrupt mask. This has some performance | |
1571 | impact on interrupt service overhead. Disable it only if you know | |
1572 | what you are doing. | |
1573 | ||
f571eff0 KK |
1574 | config MIPS_MT_SMTC_IRQAFF |
1575 | bool "Support IRQ affinity API" | |
1576 | depends on MIPS_MT_SMTC | |
1577 | default n | |
1578 | help | |
1579 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1580 | for SMTC Linux kernel. Requires platform support, of which | |
1581 | an example can be found in the MIPS kernel i8259 and Malta | |
1582 | platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY | |
1583 | be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to | |
1584 | interrupt dispatch, and should be used only if you know what | |
1585 | you are doing. | |
1586 | ||
e01402b1 RB |
1587 | config MIPS_VPE_LOADER_TOM |
1588 | bool "Load VPE program into memory hidden from linux" | |
1589 | depends on MIPS_VPE_LOADER | |
1590 | default y | |
1591 | help | |
1592 | The loader can use memory that is present but has been hidden from | |
1593 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1594 | you to ensure the amount you put in the option and the space your | |
1595 | program requires is less or equal to the amount physically present. | |
1596 | ||
1597 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1598 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1599 | bool "Enable support for AP/SP API (RTLX)" |
1600 | depends on MIPS_VPE_LOADER | |
1601 | help | |
e01402b1 | 1602 | |
2600990e RB |
1603 | config MIPS_APSP_KSPD |
1604 | bool "Enable KSPD" | |
1605 | depends on MIPS_VPE_APSP_API | |
1606 | default y | |
1607 | help | |
1608 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1609 | side, actions them and returns the results. It also handles the | |
1610 | "exit" syscall notifying other kernel modules the SP program is | |
1611 | exiting. You probably want to say yes here. | |
1612 | ||
1da177e4 LT |
1613 | config SB1_PASS_1_WORKAROUNDS |
1614 | bool | |
1615 | depends on CPU_SB1_PASS_1 | |
1616 | default y | |
1617 | ||
1618 | config SB1_PASS_2_WORKAROUNDS | |
1619 | bool | |
1620 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1621 | default y | |
1622 | ||
1623 | config SB1_PASS_2_1_WORKAROUNDS | |
1624 | bool | |
1625 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1626 | default y | |
1627 | ||
1628 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1629 | bool |
1da177e4 | 1630 | |
1da177e4 | 1631 | config CPU_HAS_LLSC |
f7062ddb | 1632 | bool |
1da177e4 | 1633 | |
9693a853 FBH |
1634 | config CPU_HAS_SMARTMIPS |
1635 | depends on SYS_SUPPORTS_SMARTMIPS | |
1636 | bool "Support for the SmartMIPS ASE" | |
1637 | help | |
1638 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1639 | increased security at both hardware and software level for | |
1640 | smartcards. Enabling this option will allow proper use of the | |
1641 | SmartMIPS instructions by Linux applications. However a kernel with | |
1642 | this option will not work on a MIPS core without SmartMIPS core. If | |
1643 | you don't know you probably don't have SmartMIPS and should say N | |
1644 | here. | |
1645 | ||
1da177e4 | 1646 | config CPU_HAS_WB |
f7062ddb | 1647 | bool |
e01402b1 | 1648 | |
f41ae0b2 RB |
1649 | # |
1650 | # Vectored interrupt mode is an R2 feature | |
1651 | # | |
e01402b1 | 1652 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1653 | bool |
e01402b1 | 1654 | |
f41ae0b2 RB |
1655 | # |
1656 | # Extended interrupt mode is an R2 feature | |
1657 | # | |
e01402b1 | 1658 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1659 | bool |
e01402b1 | 1660 | |
1da177e4 LT |
1661 | config CPU_HAS_SYNC |
1662 | bool | |
1663 | depends on !CPU_R3000 | |
1664 | default y | |
1665 | ||
ea580401 RB |
1666 | config GENERIC_CLOCKEVENTS_BROADCAST |
1667 | bool | |
1668 | ||
20d60d99 MR |
1669 | # |
1670 | # CPU non-features | |
1671 | # | |
1672 | config CPU_DADDI_WORKAROUNDS | |
1673 | bool | |
1674 | ||
1675 | config CPU_R4000_WORKAROUNDS | |
1676 | bool | |
1677 | select CPU_R4400_WORKAROUNDS | |
1678 | ||
1679 | config CPU_R4400_WORKAROUNDS | |
1680 | bool | |
1681 | ||
797798c1 RB |
1682 | # |
1683 | # Use the generic interrupt handling code in kernel/irq/: | |
1684 | # | |
1685 | config GENERIC_HARDIRQS | |
1686 | bool | |
1687 | default y | |
1688 | ||
1689 | config GENERIC_IRQ_PROBE | |
1690 | bool | |
1691 | default y | |
1692 | ||
0d7012a9 | 1693 | config IRQ_PER_CPU |
0d7012a9 | 1694 | bool |
0d7012a9 | 1695 | |
1da177e4 LT |
1696 | # |
1697 | # - Highmem only makes sense for the 32-bit kernel. | |
1698 | # - The current highmem code will only work properly on physically indexed | |
1699 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1700 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1701 | # moment we protect the user and offer the highmem option only on machines | |
1702 | # where it's known to be safe. This will not offer highmem on a few systems | |
1703 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1704 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1705 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1706 | # know they might have memory configurations that could make use of highmem | |
1707 | # support. | |
1da177e4 LT |
1708 | # |
1709 | config HIGHMEM | |
1710 | bool "High Memory Support" | |
797798c1 RB |
1711 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1712 | ||
1713 | config CPU_SUPPORTS_HIGHMEM | |
1714 | bool | |
1715 | ||
1716 | config SYS_SUPPORTS_HIGHMEM | |
1717 | bool | |
1da177e4 | 1718 | |
9693a853 FBH |
1719 | config SYS_SUPPORTS_SMARTMIPS |
1720 | bool | |
1721 | ||
b4819b59 YY |
1722 | config ARCH_FLATMEM_ENABLE |
1723 | def_bool y | |
1724 | depends on !NUMA | |
1725 | ||
d8cb4e11 RB |
1726 | config ARCH_DISCONTIGMEM_ENABLE |
1727 | bool | |
1728 | default y if SGI_IP27 | |
1729 | help | |
3dde6ad8 | 1730 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1731 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1732 | or have huge holes in the physical address space for other reasons. | |
1733 | See <file:Documentation/vm/numa> for more. | |
1734 | ||
cce335ae RB |
1735 | config ARCH_POPULATES_NODE_MAP |
1736 | def_bool y | |
1737 | ||
31473747 AN |
1738 | config ARCH_SPARSEMEM_ENABLE |
1739 | bool | |
7de58fab | 1740 | select SPARSEMEM_STATIC |
31473747 | 1741 | |
d8cb4e11 RB |
1742 | config NUMA |
1743 | bool "NUMA Support" | |
1744 | depends on SYS_SUPPORTS_NUMA | |
1745 | help | |
1746 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1747 | Access). This option improves performance on systems with more | |
1748 | than two nodes; on two node systems it is generally better to | |
1749 | leave it disabled; on single node systems disable this option | |
1750 | disabled. | |
1751 | ||
1752 | config SYS_SUPPORTS_NUMA | |
1753 | bool | |
1754 | ||
c80d79d7 YG |
1755 | config NODES_SHIFT |
1756 | int | |
1757 | default "6" | |
1758 | depends on NEED_MULTIPLE_NODES | |
1759 | ||
b4819b59 YY |
1760 | source "mm/Kconfig" |
1761 | ||
1da177e4 LT |
1762 | config SMP |
1763 | bool "Multi-Processing support" | |
e73ea273 | 1764 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 1765 | select IRQ_PER_CPU |
e73ea273 | 1766 | help |
1da177e4 LT |
1767 | This enables support for systems with more than one CPU. If you have |
1768 | a system with only one CPU, like most personal computers, say N. If | |
1769 | you have a system with more than one CPU, say Y. | |
1770 | ||
1771 | If you say N here, the kernel will run on single and multiprocessor | |
1772 | machines, but will use only one CPU of a multiprocessor machine. If | |
1773 | you say Y here, the kernel will run on many, but not all, | |
1774 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1775 | will run faster if you say N here. | |
1776 | ||
1777 | People using multiprocessor machines who say Y here should also say | |
1778 | Y to "Enhanced Real Time Clock Support", below. | |
1779 | ||
03502faa AB |
1780 | See also the SMP-HOWTO available at |
1781 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
1782 | |
1783 | If you don't know what to do here, say N. | |
1784 | ||
87353d8a RB |
1785 | config SMP_UP |
1786 | bool | |
1787 | ||
e73ea273 RB |
1788 | config SYS_SUPPORTS_SMP |
1789 | bool | |
1790 | ||
72ede9b1 AN |
1791 | config NR_CPUS_DEFAULT_1 |
1792 | bool | |
1793 | ||
130e2fb7 RB |
1794 | config NR_CPUS_DEFAULT_2 |
1795 | bool | |
1796 | ||
1797 | config NR_CPUS_DEFAULT_4 | |
1798 | bool | |
1799 | ||
1800 | config NR_CPUS_DEFAULT_8 | |
1801 | bool | |
1802 | ||
1803 | config NR_CPUS_DEFAULT_16 | |
1804 | bool | |
1805 | ||
1806 | config NR_CPUS_DEFAULT_32 | |
1807 | bool | |
1808 | ||
1809 | config NR_CPUS_DEFAULT_64 | |
1810 | bool | |
1811 | ||
1da177e4 LT |
1812 | config NR_CPUS |
1813 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 1814 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 1815 | depends on SMP |
72ede9b1 | 1816 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
1817 | default "2" if NR_CPUS_DEFAULT_2 |
1818 | default "4" if NR_CPUS_DEFAULT_4 | |
1819 | default "8" if NR_CPUS_DEFAULT_8 | |
1820 | default "16" if NR_CPUS_DEFAULT_16 | |
1821 | default "32" if NR_CPUS_DEFAULT_32 | |
1822 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
1823 | help |
1824 | This allows you to specify the maximum number of CPUs which this | |
1825 | kernel will support. The maximum supported value is 32 for 32-bit | |
1826 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
1827 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1828 | and 2 for all others. | |
1da177e4 LT |
1829 | |
1830 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
1831 | approximately eight kilobytes to the kernel image. For best |
1832 | performance should round up your number of processors to the next | |
1833 | power of two. | |
1da177e4 | 1834 | |
39b8d525 RB |
1835 | config MIPS_CMP |
1836 | bool "MIPS CMP framework support" | |
1837 | depends on SMP | |
1838 | select SYNC_R4K | |
1839 | select SYS_SUPPORTS_SCHED_SMT | |
1840 | select WEAK_ORDERING | |
1841 | default n | |
1842 | help | |
1843 | This is a placeholder option for the GCMP work. It will need to | |
1844 | be handled differently... | |
1845 | ||
c4eee283 AN |
1846 | source "kernel/time/Kconfig" |
1847 | ||
1723b4a3 AN |
1848 | # |
1849 | # Timer Interrupt Frequency Configuration | |
1850 | # | |
1851 | ||
1852 | choice | |
1853 | prompt "Timer frequency" | |
1854 | default HZ_250 | |
1855 | help | |
1856 | Allows the configuration of the timer frequency. | |
1857 | ||
1858 | config HZ_48 | |
0f873585 | 1859 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
1860 | |
1861 | config HZ_100 | |
1862 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1863 | ||
1864 | config HZ_128 | |
1865 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1866 | ||
1867 | config HZ_250 | |
1868 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1869 | ||
1870 | config HZ_256 | |
1871 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1872 | ||
1873 | config HZ_1000 | |
1874 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1875 | ||
1876 | config HZ_1024 | |
1877 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1878 | ||
1879 | endchoice | |
1880 | ||
1881 | config SYS_SUPPORTS_48HZ | |
1882 | bool | |
1883 | ||
1884 | config SYS_SUPPORTS_100HZ | |
1885 | bool | |
1886 | ||
1887 | config SYS_SUPPORTS_128HZ | |
1888 | bool | |
1889 | ||
1890 | config SYS_SUPPORTS_250HZ | |
1891 | bool | |
1892 | ||
1893 | config SYS_SUPPORTS_256HZ | |
1894 | bool | |
1895 | ||
1896 | config SYS_SUPPORTS_1000HZ | |
1897 | bool | |
1898 | ||
1899 | config SYS_SUPPORTS_1024HZ | |
1900 | bool | |
1901 | ||
1902 | config SYS_SUPPORTS_ARBIT_HZ | |
1903 | bool | |
1904 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1905 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1906 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1907 | !SYS_SUPPORTS_1024HZ | |
1908 | ||
1909 | config HZ | |
1910 | int | |
1911 | default 48 if HZ_48 | |
1912 | default 100 if HZ_100 | |
1913 | default 128 if HZ_128 | |
1914 | default 250 if HZ_250 | |
1915 | default 256 if HZ_256 | |
1916 | default 1000 if HZ_1000 | |
1917 | default 1024 if HZ_1024 | |
1918 | ||
e80de850 | 1919 | source "kernel/Kconfig.preempt" |
1da177e4 | 1920 | |
1da177e4 LT |
1921 | config MIPS_INSANE_LARGE |
1922 | bool "Support for large 64-bit configurations" | |
875d43e7 | 1923 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
1924 | help |
1925 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1926 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1927 | need processes of more than 1TB virtual address space, say Y here. | |
1928 | This will result in additional memory usage, so it is not | |
1929 | recommended for normal users. | |
1930 | ||
ea6e942b AN |
1931 | config KEXEC |
1932 | bool "Kexec system call (EXPERIMENTAL)" | |
1933 | depends on EXPERIMENTAL | |
1934 | help | |
1935 | kexec is a system call that implements the ability to shutdown your | |
1936 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 1937 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
1938 | you can start any kernel with it, not just Linux. |
1939 | ||
01dd2fbf | 1940 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
1941 | |
1942 | It is an ongoing process to be certain the hardware in a machine | |
1943 | is properly shutdown, so do not be surprised if this code does not | |
1944 | initially work for you. It may help to enable device hotplugging | |
1945 | support. As of this writing the exact hardware interface is | |
1946 | strongly in flux, so no good recommendation can be made. | |
1947 | ||
1948 | config SECCOMP | |
1949 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 1950 | depends on PROC_FS |
ea6e942b AN |
1951 | default y |
1952 | help | |
1953 | This kernel feature is useful for number crunching applications | |
1954 | that may need to compute untrusted bytecode during their | |
1955 | execution. By using pipes or other transports made available to | |
1956 | the process as file descriptors supporting the read/write | |
1957 | syscalls, it's possible to isolate those applications in | |
1958 | their own address space using seccomp. Once seccomp is | |
1959 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1960 | and the task is only allowed to execute a few safe syscalls | |
1961 | defined by each seccomp mode. | |
1962 | ||
1963 | If unsure, say Y. Only embedded should say N here. | |
1964 | ||
5e83d430 RB |
1965 | endmenu |
1966 | ||
1da177e4 LT |
1967 | config RWSEM_GENERIC_SPINLOCK |
1968 | bool | |
1969 | default y | |
1970 | ||
1df0f0ff AN |
1971 | config LOCKDEP_SUPPORT |
1972 | bool | |
1973 | default y | |
1974 | ||
1975 | config STACKTRACE_SUPPORT | |
1976 | bool | |
1977 | default y | |
1978 | ||
b6c3539b RB |
1979 | source "init/Kconfig" |
1980 | ||
1da177e4 LT |
1981 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
1982 | ||
5e83d430 RB |
1983 | config HW_HAS_EISA |
1984 | bool | |
1da177e4 LT |
1985 | config HW_HAS_PCI |
1986 | bool | |
1987 | ||
1988 | config PCI | |
1989 | bool "Support for PCI controller" | |
1990 | depends on HW_HAS_PCI | |
abb4ae46 | 1991 | select PCI_DOMAINS |
1da177e4 LT |
1992 | help |
1993 | Find out whether you have a PCI motherboard. PCI is the name of a | |
1994 | bus system, i.e. the way the CPU talks to the other stuff inside | |
1995 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
1996 | say Y, otherwise N. | |
1997 | ||
1da177e4 LT |
1998 | config PCI_DOMAINS |
1999 | bool | |
1da177e4 LT |
2000 | |
2001 | source "drivers/pci/Kconfig" | |
2002 | ||
2003 | # | |
2004 | # ISA support is now enabled via select. Too many systems still have the one | |
2005 | # or other ISA chip on the board that users don't know about so don't expect | |
2006 | # users to choose the right thing ... | |
2007 | # | |
2008 | config ISA | |
2009 | bool | |
2010 | ||
2011 | config EISA | |
2012 | bool "EISA support" | |
5e83d430 | 2013 | depends on HW_HAS_EISA |
1da177e4 | 2014 | select ISA |
aa414dff | 2015 | select GENERIC_ISA_DMA |
1da177e4 LT |
2016 | ---help--- |
2017 | The Extended Industry Standard Architecture (EISA) bus was | |
2018 | developed as an open alternative to the IBM MicroChannel bus. | |
2019 | ||
2020 | The EISA bus provided some of the features of the IBM MicroChannel | |
2021 | bus while maintaining backward compatibility with cards made for | |
2022 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2023 | 1995 when it was made obsolete by the PCI bus. | |
2024 | ||
2025 | Say Y here if you are building a kernel for an EISA-based machine. | |
2026 | ||
2027 | Otherwise, say N. | |
2028 | ||
2029 | source "drivers/eisa/Kconfig" | |
2030 | ||
2031 | config TC | |
2032 | bool "TURBOchannel support" | |
2033 | depends on MACH_DECSTATION | |
2034 | help | |
2035 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2036 | processors. Documentation on writing device drivers for TurboChannel | |
2037 | is available at: | |
2038 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
2039 | ||
2040 | #config ACCESSBUS | |
2041 | # bool "Access.Bus support" | |
2042 | # depends on TC | |
2043 | ||
2044 | config MMU | |
2045 | bool | |
2046 | default y | |
2047 | ||
d865bea4 RB |
2048 | config I8253 |
2049 | bool | |
2050 | ||
cce335ae RB |
2051 | config ZONE_DMA32 |
2052 | bool | |
2053 | ||
1da177e4 LT |
2054 | source "drivers/pcmcia/Kconfig" |
2055 | ||
2056 | source "drivers/pci/hotplug/Kconfig" | |
2057 | ||
2058 | endmenu | |
2059 | ||
2060 | menu "Executable file formats" | |
2061 | ||
2062 | source "fs/Kconfig.binfmt" | |
2063 | ||
2064 | config TRAD_SIGNALS | |
2065 | bool | |
1da177e4 | 2066 | |
1da177e4 LT |
2067 | config BINFMT_IRIX |
2068 | bool "Include IRIX binary compatibility" | |
5e83d430 | 2069 | depends on CPU_BIG_ENDIAN && 32BIT && BROKEN |
1da177e4 LT |
2070 | |
2071 | config MIPS32_COMPAT | |
2072 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2073 | depends on 64BIT |
1da177e4 LT |
2074 | help |
2075 | Select this option if you want Linux/MIPS 32-bit binary | |
2076 | compatibility. Since all software available for Linux/MIPS is | |
2077 | currently 32-bit you should say Y here. | |
2078 | ||
2079 | config COMPAT | |
2080 | bool | |
2081 | depends on MIPS32_COMPAT | |
2082 | default y | |
2083 | ||
05e43966 AN |
2084 | config SYSVIPC_COMPAT |
2085 | bool | |
2086 | depends on COMPAT && SYSVIPC | |
2087 | default y | |
2088 | ||
1da177e4 LT |
2089 | config MIPS32_O32 |
2090 | bool "Kernel support for o32 binaries" | |
2091 | depends on MIPS32_COMPAT | |
2092 | help | |
2093 | Select this option if you want to run o32 binaries. These are pure | |
2094 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2095 | existing binaries are in this format. | |
2096 | ||
2097 | If unsure, say Y. | |
2098 | ||
2099 | config MIPS32_N32 | |
2100 | bool "Kernel support for n32 binaries" | |
2101 | depends on MIPS32_COMPAT | |
2102 | help | |
2103 | Select this option if you want to run n32 binaries. These are | |
2104 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2105 | data that would normally be 64-bit. They are used in special | |
2106 | cases. | |
2107 | ||
2108 | If unsure, say N. | |
2109 | ||
2110 | config BINFMT_ELF32 | |
2111 | bool | |
2112 | default y if MIPS32_O32 || MIPS32_N32 | |
2113 | ||
2116245e RB |
2114 | endmenu |
2115 | ||
2116 | menu "Power management options" | |
2117 | ||
f4cb5700 JB |
2118 | config ARCH_SUSPEND_POSSIBLE |
2119 | def_bool y | |
2120 | depends on !SMP | |
2121 | ||
2116245e | 2122 | source "kernel/power/Kconfig" |
952fa954 | 2123 | |
1da177e4 LT |
2124 | endmenu |
2125 | ||
d5950b43 SR |
2126 | source "net/Kconfig" |
2127 | ||
1da177e4 LT |
2128 | source "drivers/Kconfig" |
2129 | ||
2130 | source "fs/Kconfig" | |
2131 | ||
2132 | source "arch/mips/Kconfig.debug" | |
2133 | ||
2134 | source "security/Kconfig" | |
2135 | ||
2136 | source "crypto/Kconfig" | |
2137 | ||
2138 | source "lib/Kconfig" |