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 |
42f77542 | 84 | select CEVT_R4K |
940f6b48 | 85 | select CSRC_R4K |
20d60d99 MR |
86 | select CPU_DADDI_WORKAROUNDS if 64BIT |
87 | select CPU_R4000_WORKAROUNDS if 64BIT | |
88 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 89 | select DMA_NONCOHERENT |
d388d685 | 90 | select NO_IOPORT |
1da177e4 | 91 | select IRQ_CPU |
7cf8053b RB |
92 | select SYS_HAS_CPU_R3000 |
93 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb YY |
94 | select SYS_SUPPORTS_32BIT_KERNEL |
95 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
5e83d430 | 96 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
97 | select SYS_SUPPORTS_128HZ |
98 | select SYS_SUPPORTS_256HZ | |
99 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 100 | help |
1da177e4 LT |
101 | This enables support for DEC's MIPS based workstations. For details |
102 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
103 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
104 | ||
105 | If you have one of the following DECstation Models you definitely | |
106 | want to choose R4xx0 for the CPU Type: | |
107 | ||
9308816c RB |
108 | DECstation 5000/50 |
109 | DECstation 5000/150 | |
110 | DECstation 5000/260 | |
111 | DECsystem 5900/260 | |
1da177e4 LT |
112 | |
113 | otherwise choose R3000. | |
114 | ||
5e83d430 | 115 | config MACH_JAZZ |
3fa986fa | 116 | bool "Jazz family of machines" |
5e83d430 RB |
117 | select ARC |
118 | select ARC32 | |
119 | select ARCH_MAY_HAVE_PC_FDC | |
42f77542 | 120 | select CEVT_R4K |
940f6b48 | 121 | select CSRC_R4K |
e2defae5 | 122 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 123 | select GENERIC_ISA_DMA |
ea202c63 | 124 | select IRQ_CPU |
d865bea4 | 125 | select I8253 |
5e83d430 RB |
126 | select I8259 |
127 | select ISA | |
7cf8053b | 128 | select SYS_HAS_CPU_R4X00 |
5e83d430 RB |
129 | select SYS_SUPPORTS_32BIT_KERNEL |
130 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
1723b4a3 | 131 | select SYS_SUPPORTS_100HZ |
9fd32cfb | 132 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 | 133 | help |
5e83d430 RB |
134 | This a family of machines based on the MIPS R4030 chipset which was |
135 | used by several vendors to build RISC/os and Windows NT workstations. | |
136 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and | |
137 | Olivetti M700-10 workstations. | |
138 | ||
1f21d2bd BM |
139 | config LASAT |
140 | bool "LASAT Networks platforms" | |
42f77542 | 141 | select CEVT_R4K |
940f6b48 | 142 | select CSRC_R4K |
1f21d2bd BM |
143 | select DMA_NONCOHERENT |
144 | select SYS_HAS_EARLY_PRINTK | |
145 | select HW_HAS_PCI | |
a5ccfe5c | 146 | select IRQ_CPU |
1f21d2bd BM |
147 | select PCI_GT64XXX_PCI0 |
148 | select MIPS_NILE4 | |
149 | select R5000_CPU_SCACHE | |
150 | select SYS_HAS_CPU_R5000 | |
151 | select SYS_SUPPORTS_32BIT_KERNEL | |
152 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
153 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
154 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
155 | ||
ade299d8 YY |
156 | config LEMOTE_FULONG |
157 | bool "Lemote Fulong mini-PC" | |
158 | select ARCH_SPARSEMEM_ENABLE | |
42f77542 | 159 | select CEVT_R4K |
940f6b48 | 160 | select CSRC_R4K |
ade299d8 YY |
161 | select SYS_HAS_CPU_LOONGSON2 |
162 | select DMA_NONCOHERENT | |
163 | select BOOT_ELF32 | |
164 | select BOARD_SCACHE | |
165 | select HAVE_STD_PC_SERIAL_PORT | |
166 | select HW_HAS_PCI | |
167 | select I8259 | |
168 | select ISA | |
169 | select IRQ_CPU | |
170 | select SYS_SUPPORTS_32BIT_KERNEL | |
171 | select SYS_SUPPORTS_64BIT_KERNEL | |
172 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
173 | select SYS_SUPPORTS_HIGHMEM | |
174 | select SYS_HAS_EARLY_PRINTK | |
175 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
23dd6d35 | 176 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
ade299d8 YY |
177 | select CPU_HAS_WB |
178 | help | |
179 | Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and | |
180 | an FPGA northbridge | |
181 | ||
1da177e4 | 182 | config MIPS_ATLAS |
3fa986fa | 183 | bool "MIPS Atlas board" |
1da177e4 | 184 | select BOOT_ELF32 |
fa71c960 | 185 | select BOOT_RAW |
42f77542 | 186 | select CEVT_R4K |
940f6b48 | 187 | select CSRC_R4K |
1da177e4 | 188 | select DMA_NONCOHERENT |
36a88530 | 189 | select SYS_HAS_EARLY_PRINTK |
5e83d430 | 190 | select IRQ_CPU |
1da177e4 | 191 | select HW_HAS_PCI |
5e83d430 RB |
192 | select MIPS_BOARDS_GEN |
193 | select MIPS_BONITO64 | |
252161ec | 194 | select PCI_GT64XXX_PCI0 |
5e83d430 | 195 | select MIPS_MSC |
f4b7cdb4 | 196 | select RM7000_CPU_SCACHE |
1da177e4 | 197 | select SWAP_IO_SPACE |
7cf8053b RB |
198 | select SYS_HAS_CPU_MIPS32_R1 |
199 | select SYS_HAS_CPU_MIPS32_R2 | |
200 | select SYS_HAS_CPU_MIPS64_R1 | |
201 | select SYS_HAS_CPU_NEVADA | |
202 | select SYS_HAS_CPU_RM7000 | |
ed5ba2fb YY |
203 | select SYS_SUPPORTS_32BIT_KERNEL |
204 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
205 | select SYS_SUPPORTS_BIG_ENDIAN |
206 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f41ae0b2 | 207 | select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL |
9693a853 | 208 | select SYS_SUPPORTS_SMARTMIPS |
e77c232c | 209 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 | 210 | help |
f638d197 | 211 | This enables support for the MIPS Technologies Atlas evaluation |
1da177e4 LT |
212 | board. |
213 | ||
214 | config MIPS_MALTA | |
3fa986fa | 215 | bool "MIPS Malta board" |
61ed242d | 216 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 217 | select BOOT_ELF32 |
fa71c960 | 218 | select BOOT_RAW |
42f77542 | 219 | select CEVT_R4K |
940f6b48 | 220 | select CSRC_R4K |
1da177e4 LT |
221 | select DMA_NONCOHERENT |
222 | select GENERIC_ISA_DMA | |
aa414dff | 223 | select IRQ_CPU |
1da177e4 | 224 | select HW_HAS_PCI |
d865bea4 | 225 | select I8253 |
1da177e4 | 226 | select I8259 |
5e83d430 RB |
227 | select MIPS_BOARDS_GEN |
228 | select MIPS_BONITO64 | |
9318c51a | 229 | select MIPS_CPU_SCACHE |
252161ec | 230 | select PCI_GT64XXX_PCI0 |
5e83d430 | 231 | select MIPS_MSC |
1da177e4 | 232 | select SWAP_IO_SPACE |
7cf8053b RB |
233 | select SYS_HAS_CPU_MIPS32_R1 |
234 | select SYS_HAS_CPU_MIPS32_R2 | |
235 | select SYS_HAS_CPU_MIPS64_R1 | |
236 | select SYS_HAS_CPU_NEVADA | |
237 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 238 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
239 | select SYS_SUPPORTS_32BIT_KERNEL |
240 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
241 | select SYS_SUPPORTS_BIG_ENDIAN |
242 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f41ae0b2 | 243 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 244 | select SYS_SUPPORTS_SMARTMIPS |
1da177e4 | 245 | help |
f638d197 | 246 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
247 | board. |
248 | ||
249 | config MIPS_SEAD | |
d98cc84d | 250 | bool "MIPS SEAD board" |
42f77542 | 251 | select CEVT_R4K |
940f6b48 | 252 | select CSRC_R4K |
1da177e4 LT |
253 | select IRQ_CPU |
254 | select DMA_NONCOHERENT | |
36a88530 | 255 | select SYS_HAS_EARLY_PRINTK |
5e83d430 | 256 | select MIPS_BOARDS_GEN |
7cf8053b RB |
257 | select SYS_HAS_CPU_MIPS32_R1 |
258 | select SYS_HAS_CPU_MIPS32_R2 | |
259 | select SYS_HAS_CPU_MIPS64_R1 | |
ed5ba2fb | 260 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 RB |
261 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
262 | select SYS_SUPPORTS_BIG_ENDIAN | |
263 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
9693a853 | 264 | select SYS_SUPPORTS_SMARTMIPS |
f638d197 MR |
265 | help |
266 | This enables support for the MIPS Technologies SEAD evaluation | |
267 | board. | |
1da177e4 | 268 | |
5e83d430 | 269 | config MIPS_SIM |
3fa986fa | 270 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 271 | select CEVT_R4K |
940f6b48 | 272 | select CSRC_R4K |
1da177e4 | 273 | select DMA_NONCOHERENT |
36a88530 | 274 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 275 | select IRQ_CPU |
9267a30d | 276 | select BOOT_RAW |
7cf8053b RB |
277 | select SYS_HAS_CPU_MIPS32_R1 |
278 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 279 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 280 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 281 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 282 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 283 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 284 | help |
5e83d430 RB |
285 | This option enables support for MIPS Technologies MIPSsim software |
286 | emulator. | |
1da177e4 | 287 | |
ade299d8 YY |
288 | config MARKEINS |
289 | bool "NEC EMMA2RH Mark-eins" | |
42f77542 | 290 | select CEVT_R4K |
940f6b48 | 291 | select CSRC_R4K |
ade299d8 YY |
292 | select DMA_NONCOHERENT |
293 | select HW_HAS_PCI | |
294 | select IRQ_CPU | |
295 | select SWAP_IO_SPACE | |
296 | select SYS_SUPPORTS_32BIT_KERNEL | |
297 | select SYS_SUPPORTS_BIG_ENDIAN | |
298 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
299 | select SYS_HAS_CPU_R5000 | |
300 | help | |
301 | This enables support for the R5432-based NEC Mark-eins | |
302 | boards with R5500 CPU. | |
303 | ||
5e83d430 | 304 | config MACH_VR41XX |
74142d65 | 305 | bool "NEC VR4100 series based machines" |
42f77542 | 306 | select CEVT_R4K |
940f6b48 | 307 | select CSRC_R4K |
7cf8053b | 308 | select SYS_HAS_CPU_VR41XX |
9fd32cfb | 309 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 310 | |
ade299d8 YY |
311 | config PNX8550_JBS |
312 | bool "Philips PNX8550 based JBS board" | |
313 | select PNX8550 | |
314 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
315 | ||
316 | config PNX8550_STB810 | |
317 | bool "Philips PNX8550 based STB810 board" | |
318 | select PNX8550 | |
319 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
320 | ||
9267a30d MSJ |
321 | config PMC_MSP |
322 | bool "PMC-Sierra MSP chipsets" | |
323 | depends on EXPERIMENTAL | |
324 | select DMA_NONCOHERENT | |
325 | select SWAP_IO_SPACE | |
326 | select NO_EXCEPT_FILL | |
327 | select BOOT_RAW | |
328 | select SYS_HAS_CPU_MIPS32_R1 | |
329 | select SYS_HAS_CPU_MIPS32_R2 | |
330 | select SYS_SUPPORTS_32BIT_KERNEL | |
331 | select SYS_SUPPORTS_BIG_ENDIAN | |
332 | select SYS_SUPPORTS_KGDB | |
333 | select IRQ_CPU | |
334 | select SERIAL_8250 | |
335 | select SERIAL_8250_CONSOLE | |
336 | help | |
337 | This adds support for the PMC-Sierra family of Multi-Service | |
338 | Processor System-On-A-Chips. These parts include a number | |
339 | of integrated peripherals, interfaces and DSPs in addition to | |
340 | a variety of MIPS cores. | |
341 | ||
5e83d430 | 342 | config PMC_YOSEMITE |
3fa986fa | 343 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 344 | select CEVT_R4K |
940f6b48 | 345 | select CSRC_R4K |
5e83d430 RB |
346 | select DMA_COHERENT |
347 | select HW_HAS_PCI | |
348 | select IRQ_CPU | |
349 | select IRQ_CPU_RM7K | |
350 | select IRQ_CPU_RM9K | |
351 | select SWAP_IO_SPACE | |
7cf8053b | 352 | select SYS_HAS_CPU_RM9000 |
36a88530 | 353 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
354 | select SYS_SUPPORTS_32BIT_KERNEL |
355 | select SYS_SUPPORTS_64BIT_KERNEL | |
356 | select SYS_SUPPORTS_BIG_ENDIAN | |
357 | select SYS_SUPPORTS_HIGHMEM | |
cc801077 | 358 | select SYS_SUPPORTS_KGDB |
e73ea273 | 359 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
360 | help |
361 | Yosemite is an evaluation board for the RM9000x2 processor | |
362 | manufactured by PMC-Sierra. | |
1da177e4 | 363 | |
1da177e4 | 364 | config SGI_IP22 |
3fa986fa | 365 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
366 | select ARC |
367 | select ARC32 | |
368 | select BOOT_ELF32 | |
42f77542 | 369 | select CEVT_R4K |
940f6b48 | 370 | select CSRC_R4K |
e2defae5 | 371 | select DEFAULT_SGI_PARTITION |
1da177e4 | 372 | select DMA_NONCOHERENT |
5e83d430 | 373 | select HW_HAS_EISA |
d865bea4 | 374 | select I8253 |
68de4803 | 375 | select I8259 |
1da177e4 LT |
376 | select IP22_CPU_SCACHE |
377 | select IRQ_CPU | |
aa414dff | 378 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
379 | select SGI_HAS_DS1286 |
380 | select SGI_HAS_I8042 | |
381 | select SGI_HAS_INDYDOG | |
382 | select SGI_HAS_SEEQ | |
383 | select SGI_HAS_WD93 | |
384 | select SGI_HAS_ZILOG | |
1da177e4 | 385 | select SWAP_IO_SPACE |
7cf8053b RB |
386 | select SYS_HAS_CPU_R4X00 |
387 | select SYS_HAS_CPU_R5000 | |
36a88530 | 388 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
389 | select SYS_SUPPORTS_32BIT_KERNEL |
390 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 391 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
392 | help |
393 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
394 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
395 | that runs on these, say Y here. | |
396 | ||
397 | config SGI_IP27 | |
3fa986fa | 398 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
399 | select ARC |
400 | select ARC64 | |
5e83d430 | 401 | select BOOT_ELF64 |
e2defae5 | 402 | select DEFAULT_SGI_PARTITION |
1da177e4 | 403 | select DMA_IP27 |
36a88530 | 404 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 405 | select HW_HAS_PCI |
130e2fb7 | 406 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 407 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 408 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 409 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 410 | select SYS_SUPPORTS_KGDB |
d8cb4e11 | 411 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 412 | select SYS_SUPPORTS_SMP |
e77c232c | 413 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
414 | help |
415 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
416 | workstations. To compile a Linux kernel that runs on these, say Y | |
417 | here. | |
418 | ||
e2defae5 TB |
419 | config SGI_IP28 |
420 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
421 | depends on EXPERIMENTAL | |
422 | select ARC | |
423 | select ARC64 | |
424 | select BOOT_ELF64 | |
425 | select CEVT_R4K | |
426 | select CSRC_R4K | |
427 | select DEFAULT_SGI_PARTITION | |
428 | select DMA_NONCOHERENT | |
429 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
430 | select IRQ_CPU | |
431 | select HW_HAS_EISA | |
432 | select I8253 | |
433 | select I8259 | |
434 | select SGI_HAS_DS1286 | |
435 | select SGI_HAS_I8042 | |
436 | select SGI_HAS_INDYDOG | |
437 | select SGI_HAS_SEEQ | |
438 | select SGI_HAS_WD93 | |
439 | select SGI_HAS_ZILOG | |
440 | select SWAP_IO_SPACE | |
441 | select SYS_HAS_CPU_R10000 | |
442 | select SYS_HAS_EARLY_PRINTK | |
443 | select SYS_SUPPORTS_64BIT_KERNEL | |
444 | select SYS_SUPPORTS_BIG_ENDIAN | |
445 | help | |
446 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
447 | kernel that runs on these, say Y here. | |
448 | ||
1da177e4 | 449 | config SGI_IP32 |
cfd2afc0 | 450 | bool "SGI IP32 (O2)" |
1da177e4 LT |
451 | select ARC |
452 | select ARC32 | |
453 | select BOOT_ELF32 | |
42f77542 | 454 | select CEVT_R4K |
940f6b48 | 455 | select CSRC_R4K |
1da177e4 LT |
456 | select DMA_NONCOHERENT |
457 | select HW_HAS_PCI | |
dd67b155 | 458 | select IRQ_CPU |
1da177e4 LT |
459 | select R5000_CPU_SCACHE |
460 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
461 | select SYS_HAS_CPU_R5000 |
462 | select SYS_HAS_CPU_R10000 if BROKEN | |
463 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 464 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 465 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 466 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 467 | help |
5e83d430 | 468 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 469 | |
ade299d8 YY |
470 | config SIBYTE_CRHINE |
471 | bool "Sibyte BCM91120C-CRhine" | |
472 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
473 | select BOOT_ELF32 |
474 | select DMA_COHERENT | |
ade299d8 | 475 | select SIBYTE_BCM1120 |
9a6dcea1 | 476 | select SWAP_IO_SPACE |
7cf8053b | 477 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
478 | select SYS_SUPPORTS_BIG_ENDIAN |
479 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
480 | ||
ade299d8 YY |
481 | config SIBYTE_CARMEL |
482 | bool "Sibyte BCM91120x-Carmel" | |
483 | depends on EXPERIMENTAL | |
5e83d430 | 484 | select BOOT_ELF32 |
1da177e4 | 485 | select DMA_COHERENT |
ade299d8 | 486 | select SIBYTE_BCM1120 |
5e83d430 | 487 | select SWAP_IO_SPACE |
7cf8053b | 488 | select SYS_HAS_CPU_SB1 |
81731f79 | 489 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 490 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 491 | |
ade299d8 YY |
492 | config SIBYTE_CRHONE |
493 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
494 | depends on EXPERIMENTAL |
495 | select BOOT_ELF32 | |
496 | select DMA_COHERENT | |
ade299d8 | 497 | select SIBYTE_BCM1125 |
5e83d430 | 498 | select SWAP_IO_SPACE |
7cf8053b | 499 | select SYS_HAS_CPU_SB1 |
5e83d430 | 500 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 501 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 502 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 503 | |
5e83d430 | 504 | config SIBYTE_RHONE |
3fa986fa | 505 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
506 | depends on EXPERIMENTAL |
507 | select BOOT_ELF32 | |
508 | select DMA_COHERENT | |
509 | select SIBYTE_BCM1125H | |
510 | select SWAP_IO_SPACE | |
7cf8053b | 511 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
512 | select SYS_SUPPORTS_BIG_ENDIAN |
513 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 514 | |
ade299d8 YY |
515 | config SIBYTE_SWARM |
516 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 517 | select BOOT_ELF32 |
26a940e2 | 518 | select DMA_COHERENT |
ade299d8 YY |
519 | select NR_CPUS_DEFAULT_2 |
520 | select SIBYTE_SB1250 | |
5e83d430 | 521 | select SWAP_IO_SPACE |
7cf8053b | 522 | select SYS_HAS_CPU_SB1 |
5e83d430 | 523 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 YY |
524 | select SYS_SUPPORTS_HIGHMEM |
525 | select SYS_SUPPORTS_KGDB | |
e3ad1c23 | 526 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 527 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 528 | |
ade299d8 YY |
529 | config SIBYTE_LITTLESUR |
530 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
531 | depends on EXPERIMENTAL |
532 | select BOOT_ELF32 | |
533 | select DMA_COHERENT | |
130e2fb7 | 534 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
535 | select SIBYTE_SB1250 |
536 | select SWAP_IO_SPACE | |
7cf8053b | 537 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
538 | select SYS_SUPPORTS_BIG_ENDIAN |
539 | select SYS_SUPPORTS_HIGHMEM | |
540 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 541 | |
ade299d8 YY |
542 | config SIBYTE_SENTOSA |
543 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
544 | depends on EXPERIMENTAL |
545 | select BOOT_ELF32 | |
546 | select DMA_COHERENT | |
130e2fb7 | 547 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
548 | select SIBYTE_SB1250 |
549 | select SWAP_IO_SPACE | |
7cf8053b | 550 | select SYS_HAS_CPU_SB1 |
5e83d430 | 551 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 552 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 553 | |
ade299d8 YY |
554 | config SIBYTE_BIGSUR |
555 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
556 | select BOOT_ELF32 |
557 | select DMA_COHERENT | |
ade299d8 | 558 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 559 | select SIBYTE_BCM1x80 |
5e83d430 | 560 | select SWAP_IO_SPACE |
7cf8053b | 561 | select SYS_HAS_CPU_SB1 |
5e83d430 | 562 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 563 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 564 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 565 | select ZONE_DMA32 if 64BIT |
1da177e4 | 566 | |
14b36af4 TB |
567 | config SNI_RM |
568 | bool "SNI RM200/300/400" | |
4a0312fc TB |
569 | select ARC if CPU_LITTLE_ENDIAN |
570 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 571 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 572 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 573 | select BOOT_ELF32 |
42f77542 | 574 | select CEVT_R4K |
940f6b48 | 575 | select CSRC_R4K |
e2defae5 | 576 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
577 | select DMA_NONCOHERENT |
578 | select GENERIC_ISA_DMA | |
5e83d430 | 579 | select HW_HAS_EISA |
1da177e4 | 580 | select HW_HAS_PCI |
c066a32a | 581 | select IRQ_CPU |
d865bea4 | 582 | select I8253 |
1da177e4 LT |
583 | select I8259 |
584 | select ISA | |
4a0312fc | 585 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 586 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 587 | select SYS_HAS_CPU_R5000 |
c066a32a | 588 | select SYS_HAS_CPU_R10000 |
4a0312fc | 589 | select R5000_CPU_SCACHE |
36a88530 | 590 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
591 | select SYS_SUPPORTS_32BIT_KERNEL |
592 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 593 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 594 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 595 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 596 | help |
14b36af4 TB |
597 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
598 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
599 | Technology and now in turn merged with Fujitsu. Say Y here to |
600 | support this machine type. | |
601 | ||
5e83d430 | 602 | config TOSHIBA_JMR3927 |
3fa986fa | 603 | bool "Toshiba JMR-TX3927 board" |
229f773e | 604 | select CEVT_TXX9 |
5e83d430 RB |
605 | select DMA_NONCOHERENT |
606 | select HW_HAS_PCI | |
607 | select MIPS_TX3927 | |
c87abd75 | 608 | select IRQ_TXX9 |
5e83d430 | 609 | select SWAP_IO_SPACE |
7cf8053b | 610 | select SYS_HAS_CPU_TX39XX |
5e83d430 | 611 | select SYS_SUPPORTS_32BIT_KERNEL |
6a2603a2 | 612 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 613 | select SYS_SUPPORTS_BIG_ENDIAN |
2127435e | 614 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 615 | |
1da177e4 | 616 | config TOSHIBA_RBTX4927 |
08a91283 | 617 | bool "Toshiba RBTX49[23]7 board" |
42f77542 | 618 | select CEVT_R4K |
940f6b48 | 619 | select CSRC_R4K |
229f773e | 620 | select CEVT_TXX9 |
1da177e4 LT |
621 | select DMA_NONCOHERENT |
622 | select HAS_TXX9_SERIAL | |
623 | select HW_HAS_PCI | |
c87abd75 AN |
624 | select IRQ_CPU |
625 | select IRQ_TXX9 | |
626 | select I8259 if TOSHIBA_FPCIB0 | |
1da177e4 | 627 | select SWAP_IO_SPACE |
7cf8053b | 628 | select SYS_HAS_CPU_TX49XX |
ed5ba2fb YY |
629 | select SYS_SUPPORTS_32BIT_KERNEL |
630 | select SYS_SUPPORTS_64BIT_KERNEL | |
6a2603a2 | 631 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 632 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 633 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 634 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
635 | help |
636 | This Toshiba board is based on the TX4927 processor. Say Y here to | |
637 | support this machine type | |
638 | ||
5e83d430 | 639 | config TOSHIBA_RBTX4938 |
3fa986fa | 640 | bool "Toshiba RBTX4938 board" |
42f77542 | 641 | select CEVT_R4K |
940f6b48 | 642 | select CSRC_R4K |
229f773e | 643 | select CEVT_TXX9 |
5e83d430 | 644 | select DMA_NONCOHERENT |
5e83d430 RB |
645 | select HAS_TXX9_SERIAL |
646 | select HW_HAS_PCI | |
c87abd75 AN |
647 | select IRQ_CPU |
648 | select IRQ_TXX9 | |
5e83d430 | 649 | select SWAP_IO_SPACE |
7cf8053b | 650 | select SYS_HAS_CPU_TX49XX |
5e83d430 RB |
651 | select SYS_SUPPORTS_32BIT_KERNEL |
652 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
653 | select SYS_SUPPORTS_BIG_ENDIAN | |
cc801077 | 654 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 655 | select GENERIC_HARDIRQS_NO__DO_IRQ |
3896b054 | 656 | select GENERIC_GPIO |
5e83d430 RB |
657 | help |
658 | This Toshiba board is based on the TX4938 processor. Say Y here to | |
659 | support this machine type | |
660 | ||
ade299d8 YY |
661 | config WR_PPMC |
662 | bool "Wind River PPMC board" | |
42f77542 | 663 | select CEVT_R4K |
940f6b48 | 664 | select CSRC_R4K |
ade299d8 YY |
665 | select IRQ_CPU |
666 | select BOOT_ELF32 | |
667 | select DMA_NONCOHERENT | |
668 | select HW_HAS_PCI | |
669 | select PCI_GT64XXX_PCI0 | |
670 | select SWAP_IO_SPACE | |
671 | select SYS_HAS_CPU_MIPS32_R1 | |
672 | select SYS_HAS_CPU_MIPS32_R2 | |
673 | select SYS_HAS_CPU_MIPS64_R1 | |
674 | select SYS_HAS_CPU_NEVADA | |
675 | select SYS_HAS_CPU_RM7000 | |
676 | select SYS_SUPPORTS_32BIT_KERNEL | |
677 | select SYS_SUPPORTS_64BIT_KERNEL | |
678 | select SYS_SUPPORTS_BIG_ENDIAN | |
679 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
680 | help | |
681 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
682 | board, which is based on GT64120 bridge chip. | |
683 | ||
5e83d430 | 684 | endchoice |
1da177e4 | 685 | |
c3543e25 | 686 | source "arch/mips/au1000/Kconfig" |
9c746edb | 687 | source "arch/mips/basler/excite/Kconfig" |
5e83d430 | 688 | source "arch/mips/jazz/Kconfig" |
1f21d2bd | 689 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 690 | source "arch/mips/pmc-sierra/Kconfig" |
29c48699 | 691 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 692 | source "arch/mips/sibyte/Kconfig" |
5e83d430 | 693 | source "arch/mips/tx4927/Kconfig" |
23fbee9d | 694 | source "arch/mips/tx4938/Kconfig" |
5e83d430 | 695 | source "arch/mips/vr41xx/Kconfig" |
38b18f72 | 696 | |
5e83d430 RB |
697 | endmenu |
698 | ||
95c354fe NP |
699 | config GENERIC_LOCKBREAK |
700 | bool | |
701 | default y | |
702 | depends on SMP && PREEMPT | |
703 | ||
1da177e4 LT |
704 | config RWSEM_GENERIC_SPINLOCK |
705 | bool | |
706 | default y | |
707 | ||
708 | config RWSEM_XCHGADD_ALGORITHM | |
709 | bool | |
710 | ||
f0d1b0b3 DH |
711 | config ARCH_HAS_ILOG2_U32 |
712 | bool | |
713 | default n | |
714 | ||
715 | config ARCH_HAS_ILOG2_U64 | |
716 | bool | |
717 | default n | |
718 | ||
00a58253 RB |
719 | config ARCH_SUPPORTS_OPROFILE |
720 | bool | |
721 | default y if !MIPS_MT_SMTC | |
722 | ||
3c9ee7ef AM |
723 | config GENERIC_FIND_NEXT_BIT |
724 | bool | |
725 | default y | |
726 | ||
727 | config GENERIC_HWEIGHT | |
728 | bool | |
729 | default y | |
730 | ||
1da177e4 LT |
731 | config GENERIC_CALIBRATE_DELAY |
732 | bool | |
733 | default y | |
734 | ||
7bcf7717 RB |
735 | config GENERIC_CLOCKEVENTS |
736 | bool | |
737 | default y | |
738 | ||
8db02010 RB |
739 | config GENERIC_TIME |
740 | bool | |
741 | default y | |
742 | ||
f5ff0a28 RB |
743 | config GENERIC_CMOS_UPDATE |
744 | bool | |
745 | default y | |
746 | ||
1cc89038 AN |
747 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
748 | bool | |
749 | default y | |
750 | ||
e77c232c FBH |
751 | config GENERIC_HARDIRQS_NO__DO_IRQ |
752 | bool | |
753 | default n | |
754 | ||
1da177e4 LT |
755 | # |
756 | # Select some configuration options automatically based on user selections. | |
757 | # | |
758 | config ARC | |
759 | bool | |
1da177e4 | 760 | |
61ed242d RB |
761 | config ARCH_MAY_HAVE_PC_FDC |
762 | bool | |
763 | ||
9267a30d MSJ |
764 | config BOOT_RAW |
765 | bool | |
766 | ||
217dd11e RB |
767 | config CEVT_BCM1480 |
768 | bool | |
769 | ||
1097c6ac YY |
770 | config CEVT_GT641XX |
771 | bool | |
772 | ||
42f77542 RB |
773 | config CEVT_R4K |
774 | bool | |
775 | ||
217dd11e RB |
776 | config CEVT_SB1250 |
777 | bool | |
778 | ||
229f773e AN |
779 | config CEVT_TXX9 |
780 | bool | |
781 | ||
217dd11e RB |
782 | config CSRC_BCM1480 |
783 | bool | |
784 | ||
940f6b48 RB |
785 | config CSRC_R4K |
786 | bool | |
787 | ||
217dd11e RB |
788 | config CSRC_SB1250 |
789 | bool | |
790 | ||
df78b5c8 AJ |
791 | config CFE |
792 | bool | |
793 | ||
4ce588cd | 794 | config DMA_COHERENT |
1da177e4 LT |
795 | bool |
796 | ||
4ce588cd | 797 | config DMA_IP27 |
1da177e4 LT |
798 | bool |
799 | ||
4ce588cd RB |
800 | config DMA_NONCOHERENT |
801 | bool | |
802 | select DMA_NEED_PCI_MAP_STATE | |
803 | ||
804 | config DMA_NEED_PCI_MAP_STATE | |
1da177e4 LT |
805 | bool |
806 | ||
807 | config EARLY_PRINTK | |
36a88530 RB |
808 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
809 | depends on SYS_HAS_EARLY_PRINTK | |
810 | default y | |
811 | help | |
812 | This option enables special console drivers which allow the kernel | |
813 | to print messages very early in the bootup process. | |
814 | ||
815 | This is useful for kernel debugging when your machine crashes very | |
490dcc4d RD |
816 | early before the console code is initialized. For normal operation, |
817 | it is not recommended because it looks ugly on some machines and | |
818 | doesn't cooperate with an X server. You should normally say N here, | |
36a88530 RB |
819 | unless you want to debug such a crash. |
820 | ||
821 | config SYS_HAS_EARLY_PRINTK | |
1da177e4 | 822 | bool |
1da177e4 | 823 | |
dbb74540 RB |
824 | config HOTPLUG_CPU |
825 | bool | |
826 | default n | |
827 | ||
1da177e4 LT |
828 | config I8259 |
829 | bool | |
1da177e4 | 830 | |
1da177e4 LT |
831 | config MIPS_BONITO64 |
832 | bool | |
1da177e4 LT |
833 | |
834 | config MIPS_MSC | |
835 | bool | |
1da177e4 | 836 | |
1f21d2bd BM |
837 | config MIPS_NILE4 |
838 | bool | |
839 | ||
1da177e4 LT |
840 | config MIPS_DISABLE_OBSOLETE_IDE |
841 | bool | |
842 | ||
d388d685 MR |
843 | config NO_IOPORT |
844 | def_bool n | |
845 | ||
8313da30 RB |
846 | config GENERIC_ISA_DMA |
847 | bool | |
848 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
849 | ||
aa414dff RB |
850 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
851 | bool | |
8313da30 | 852 | select GENERIC_ISA_DMA |
aa414dff | 853 | |
09663335 YY |
854 | config GENERIC_GPIO |
855 | bool | |
856 | ||
5e83d430 | 857 | # |
3cb2fccc | 858 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
859 | # answer,so we try hard to limit the available choices. Also the use of a |
860 | # choice statement should be more obvious to the user. | |
861 | # | |
862 | choice | |
863 | prompt "Endianess selection" | |
1da177e4 LT |
864 | help |
865 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 866 | byte order. These modes require different kernels and a different |
3cb2fccc | 867 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 868 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 869 | one or the other endianness. |
5e83d430 RB |
870 | |
871 | config CPU_BIG_ENDIAN | |
872 | bool "Big endian" | |
873 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
874 | ||
875 | config CPU_LITTLE_ENDIAN | |
876 | bool "Little endian" | |
877 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
878 | help | |
879 | ||
880 | endchoice | |
881 | ||
2116245e RB |
882 | config SYS_SUPPORTS_APM_EMULATION |
883 | bool | |
884 | ||
5e83d430 RB |
885 | config SYS_SUPPORTS_BIG_ENDIAN |
886 | bool | |
887 | ||
888 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
889 | bool | |
1da177e4 LT |
890 | |
891 | config IRQ_CPU | |
892 | bool | |
893 | ||
894 | config IRQ_CPU_RM7K | |
895 | bool | |
896 | ||
5e83d430 RB |
897 | config IRQ_CPU_RM9K |
898 | bool | |
899 | ||
9267a30d MSJ |
900 | config IRQ_MSP_SLP |
901 | bool | |
902 | ||
903 | config IRQ_MSP_CIC | |
904 | bool | |
905 | ||
8420fd00 AN |
906 | config IRQ_TXX9 |
907 | bool | |
908 | ||
d5ab1a69 YY |
909 | config IRQ_GT641XX |
910 | bool | |
911 | ||
1da177e4 LT |
912 | config MIPS_BOARDS_GEN |
913 | bool | |
1da177e4 | 914 | |
252161ec | 915 | config PCI_GT64XXX_PCI0 |
1da177e4 | 916 | bool |
1da177e4 | 917 | |
9267a30d MSJ |
918 | config NO_EXCEPT_FILL |
919 | bool | |
920 | ||
1da177e4 LT |
921 | config MIPS_TX3927 |
922 | bool | |
1da177e4 | 923 | select HAS_TXX9_SERIAL |
1da177e4 | 924 | |
663c3d90 | 925 | config MIPS_RM9122 |
926 | bool | |
927 | select SERIAL_RM9000 | |
663c3d90 | 928 | |
bdf21b18 PP |
929 | config PNX8550 |
930 | bool | |
931 | select SOC_PNX8550 | |
932 | ||
933 | config SOC_PNX8550 | |
934 | bool | |
bdf21b18 PP |
935 | select DMA_NONCOHERENT |
936 | select HW_HAS_PCI | |
b8c2a77c | 937 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 938 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 939 | select SYS_SUPPORTS_32BIT_KERNEL |
e77c232c | 940 | select GENERIC_HARDIRQS_NO__DO_IRQ |
cc801077 | 941 | select SYS_SUPPORTS_KGDB |
4ead1681 | 942 | select GENERIC_GPIO |
bdf21b18 | 943 | |
1da177e4 LT |
944 | config SWAP_IO_SPACE |
945 | bool | |
946 | ||
355c471f | 947 | config EMMA2RH |
948 | bool | |
949 | depends on MARKEINS | |
950 | default y | |
951 | ||
663c3d90 | 952 | config SERIAL_RM9000 |
953 | bool | |
954 | ||
e2defae5 TB |
955 | config SGI_HAS_DS1286 |
956 | bool | |
957 | ||
958 | config SGI_HAS_INDYDOG | |
959 | bool | |
960 | ||
961 | config SGI_HAS_SEEQ | |
962 | bool | |
963 | ||
964 | config SGI_HAS_WD93 | |
965 | bool | |
966 | ||
967 | config SGI_HAS_ZILOG | |
968 | bool | |
969 | ||
970 | config SGI_HAS_I8042 | |
971 | bool | |
972 | ||
973 | config DEFAULT_SGI_PARTITION | |
974 | bool | |
975 | ||
5e83d430 RB |
976 | config ARC32 |
977 | bool | |
978 | ||
231a35d3 TB |
979 | config SNIPROM |
980 | bool | |
981 | ||
1da177e4 LT |
982 | config BOOT_ELF32 |
983 | bool | |
1da177e4 LT |
984 | |
985 | config MIPS_L1_CACHE_SHIFT | |
986 | int | |
06cf5583 | 987 | default "4" if MACH_DECSTATION |
e2defae5 | 988 | default "7" if SGI_IP27 || SGI_IP28 || SNI_RM |
9267a30d | 989 | default "4" if PMC_MSP4200_EVAL |
1da177e4 LT |
990 | default "5" |
991 | ||
1da177e4 LT |
992 | config HAVE_STD_PC_SERIAL_PORT |
993 | bool | |
994 | ||
1da177e4 LT |
995 | config ARC_CONSOLE |
996 | bool "ARC console support" | |
e2defae5 | 997 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
998 | |
999 | config ARC_MEMORY | |
1000 | bool | |
14b36af4 | 1001 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1002 | default y |
1003 | ||
1004 | config ARC_PROMLIB | |
1005 | bool | |
e2defae5 | 1006 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1007 | default y |
1008 | ||
1009 | config ARC64 | |
1010 | bool | |
1da177e4 LT |
1011 | |
1012 | config BOOT_ELF64 | |
1013 | bool | |
1da177e4 | 1014 | |
1da177e4 LT |
1015 | menu "CPU selection" |
1016 | ||
1017 | choice | |
1018 | prompt "CPU type" | |
1019 | default CPU_R4X00 | |
1020 | ||
2a21c730 FZ |
1021 | config CPU_LOONGSON2 |
1022 | bool "Loongson 2" | |
1023 | depends on SYS_HAS_CPU_LOONGSON2 | |
1024 | select CPU_SUPPORTS_32BIT_KERNEL | |
1025 | select CPU_SUPPORTS_64BIT_KERNEL | |
1026 | select CPU_SUPPORTS_HIGHMEM | |
1027 | help | |
1028 | The Loongson 2E processor implements the MIPS III instruction set | |
1029 | with many extensions. | |
1030 | ||
6e760c8d RB |
1031 | config CPU_MIPS32_R1 |
1032 | bool "MIPS32 Release 1" | |
7cf8053b | 1033 | depends on SYS_HAS_CPU_MIPS32_R1 |
f7062ddb | 1034 | select CPU_HAS_LLSC |
6e760c8d | 1035 | select CPU_HAS_PREFETCH |
797798c1 | 1036 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1037 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1038 | help |
5e83d430 | 1039 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1040 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1041 | MIPS processor are based on a MIPS32 processor. If you know the | |
1042 | specific type of processor in your system, choose those that one | |
1043 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1044 | Release 2 of the MIPS32 architecture is available since several | |
1045 | years so chances are you even have a MIPS32 Release 2 processor | |
1046 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1047 | performance. | |
1048 | ||
1049 | config CPU_MIPS32_R2 | |
1050 | bool "MIPS32 Release 2" | |
7cf8053b | 1051 | depends on SYS_HAS_CPU_MIPS32_R2 |
f7062ddb | 1052 | select CPU_HAS_LLSC |
1e5f1caa | 1053 | select CPU_HAS_PREFETCH |
797798c1 | 1054 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1055 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1056 | help |
5e83d430 | 1057 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1058 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1059 | MIPS processor are based on a MIPS32 processor. If you know the | |
1060 | specific type of processor in your system, choose those that one | |
1061 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1062 | ||
1063 | config CPU_MIPS64_R1 | |
1064 | bool "MIPS64 Release 1" | |
7cf8053b | 1065 | depends on SYS_HAS_CPU_MIPS64_R1 |
f7062ddb | 1066 | select CPU_HAS_LLSC |
797798c1 | 1067 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1068 | select CPU_SUPPORTS_32BIT_KERNEL |
1069 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1070 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d RB |
1071 | help |
1072 | Choose this option to build a kernel for release 1 or later of the | |
1073 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1074 | MIPS processor are based on a MIPS64 processor. If you know the | |
1075 | specific type of processor in your system, choose those that one | |
1076 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1077 | Release 2 of the MIPS64 architecture is available since several |
1078 | years so chances are you even have a MIPS64 Release 2 processor | |
1079 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1080 | performance. | |
1081 | ||
1082 | config CPU_MIPS64_R2 | |
1083 | bool "MIPS64 Release 2" | |
7cf8053b | 1084 | depends on SYS_HAS_CPU_MIPS64_R2 |
f7062ddb | 1085 | select CPU_HAS_LLSC |
797798c1 | 1086 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1087 | select CPU_SUPPORTS_32BIT_KERNEL |
1088 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1089 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa RB |
1090 | help |
1091 | Choose this option to build a kernel for release 2 or later of the | |
1092 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1093 | MIPS processor are based on a MIPS64 processor. If you know the | |
1094 | specific type of processor in your system, choose those that one | |
1095 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1096 | |
1097 | config CPU_R3000 | |
1098 | bool "R3000" | |
7cf8053b | 1099 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1100 | select CPU_HAS_WB |
ed5ba2fb | 1101 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1102 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1103 | help |
1104 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1105 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1106 | *not* work on R4000 machines and vice versa. However, since most | |
1107 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1108 | might be a safe bet. If the resulting kernel does not work, | |
1109 | try to recompile with R3000. | |
1110 | ||
1111 | config CPU_TX39XX | |
1112 | bool "R39XX" | |
7cf8053b | 1113 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1114 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1115 | |
1116 | config CPU_VR41XX | |
1117 | bool "R41xx" | |
7cf8053b | 1118 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1119 | select CPU_SUPPORTS_32BIT_KERNEL |
1120 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1121 | help |
5e83d430 | 1122 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1123 | Only choose this option if you have one of these processors as a |
1124 | kernel built with this option will not run on any other type of | |
1125 | processor or vice versa. | |
1126 | ||
1127 | config CPU_R4300 | |
1128 | bool "R4300" | |
7cf8053b | 1129 | depends on SYS_HAS_CPU_R4300 |
f7062ddb | 1130 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1131 | select CPU_SUPPORTS_32BIT_KERNEL |
1132 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1133 | help |
1134 | MIPS Technologies R4300-series processors. | |
1135 | ||
1136 | config CPU_R4X00 | |
1137 | bool "R4x00" | |
7cf8053b | 1138 | depends on SYS_HAS_CPU_R4X00 |
f7062ddb | 1139 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1140 | select CPU_SUPPORTS_32BIT_KERNEL |
1141 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1142 | help |
1143 | MIPS Technologies R4000-series processors other than 4300, including | |
1144 | the R4000, R4400, R4600, and 4700. | |
1145 | ||
1146 | config CPU_TX49XX | |
1147 | bool "R49XX" | |
7cf8053b | 1148 | depends on SYS_HAS_CPU_TX49XX |
f7062ddb | 1149 | select CPU_HAS_LLSC |
de862b48 | 1150 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1151 | select CPU_SUPPORTS_32BIT_KERNEL |
1152 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1153 | |
1154 | config CPU_R5000 | |
1155 | bool "R5000" | |
7cf8053b | 1156 | depends on SYS_HAS_CPU_R5000 |
f7062ddb | 1157 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1158 | select CPU_SUPPORTS_32BIT_KERNEL |
1159 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1160 | help |
1161 | MIPS Technologies R5000-series processors other than the Nevada. | |
1162 | ||
1163 | config CPU_R5432 | |
1164 | bool "R5432" | |
7cf8053b | 1165 | depends on SYS_HAS_CPU_R5432 |
f7062ddb | 1166 | select CPU_HAS_LLSC |
5e83d430 RB |
1167 | select CPU_SUPPORTS_32BIT_KERNEL |
1168 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1169 | |
1170 | config CPU_R6000 | |
1171 | bool "R6000" | |
ed5ba2fb | 1172 | depends on EXPERIMENTAL |
f7062ddb | 1173 | select CPU_HAS_LLSC |
7cf8053b | 1174 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1175 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1176 | help |
1177 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1178 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1179 | |
1180 | config CPU_NEVADA | |
1181 | bool "RM52xx" | |
7cf8053b | 1182 | depends on SYS_HAS_CPU_NEVADA |
f7062ddb | 1183 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1184 | select CPU_SUPPORTS_32BIT_KERNEL |
1185 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1186 | help |
1187 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1188 | ||
1189 | config CPU_R8000 | |
1190 | bool "R8000" | |
ed5ba2fb | 1191 | depends on EXPERIMENTAL |
7cf8053b | 1192 | depends on SYS_HAS_CPU_R8000 |
f7062ddb | 1193 | select CPU_HAS_LLSC |
5e83d430 | 1194 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1195 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1196 | help |
1197 | MIPS Technologies R8000 processors. Note these processors are | |
1198 | uncommon and the support for them is incomplete. | |
1199 | ||
1200 | config CPU_R10000 | |
1201 | bool "R10000" | |
7cf8053b | 1202 | depends on SYS_HAS_CPU_R10000 |
f7062ddb | 1203 | select CPU_HAS_LLSC |
5e83d430 | 1204 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1205 | select CPU_SUPPORTS_32BIT_KERNEL |
1206 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1207 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1208 | help |
1209 | MIPS Technologies R10000-series processors. | |
1210 | ||
1211 | config CPU_RM7000 | |
1212 | bool "RM7000" | |
7cf8053b | 1213 | depends on SYS_HAS_CPU_RM7000 |
f7062ddb | 1214 | select CPU_HAS_LLSC |
5e83d430 | 1215 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1216 | select CPU_SUPPORTS_32BIT_KERNEL |
1217 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1218 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1219 | |
1220 | config CPU_RM9000 | |
1221 | bool "RM9000" | |
7cf8053b | 1222 | depends on SYS_HAS_CPU_RM9000 |
f7062ddb | 1223 | select CPU_HAS_LLSC |
5e83d430 | 1224 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1225 | select CPU_SUPPORTS_32BIT_KERNEL |
1226 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1227 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1228 | select WEAK_ORDERING |
1da177e4 LT |
1229 | |
1230 | config CPU_SB1 | |
1231 | bool "SB1" | |
7cf8053b | 1232 | depends on SYS_HAS_CPU_SB1 |
f7062ddb | 1233 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1234 | select CPU_SUPPORTS_32BIT_KERNEL |
1235 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1236 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1237 | select WEAK_ORDERING |
1da177e4 LT |
1238 | |
1239 | endchoice | |
1240 | ||
2a21c730 FZ |
1241 | config SYS_HAS_CPU_LOONGSON2 |
1242 | bool | |
1243 | ||
7cf8053b RB |
1244 | config SYS_HAS_CPU_MIPS32_R1 |
1245 | bool | |
1246 | ||
1247 | config SYS_HAS_CPU_MIPS32_R2 | |
1248 | bool | |
1249 | ||
1250 | config SYS_HAS_CPU_MIPS64_R1 | |
1251 | bool | |
1252 | ||
1253 | config SYS_HAS_CPU_MIPS64_R2 | |
1254 | bool | |
1255 | ||
1256 | config SYS_HAS_CPU_R3000 | |
1257 | bool | |
1258 | ||
1259 | config SYS_HAS_CPU_TX39XX | |
1260 | bool | |
1261 | ||
1262 | config SYS_HAS_CPU_VR41XX | |
1263 | bool | |
1264 | ||
1265 | config SYS_HAS_CPU_R4300 | |
1266 | bool | |
1267 | ||
1268 | config SYS_HAS_CPU_R4X00 | |
1269 | bool | |
1270 | ||
1271 | config SYS_HAS_CPU_TX49XX | |
1272 | bool | |
1273 | ||
1274 | config SYS_HAS_CPU_R5000 | |
1275 | bool | |
1276 | ||
1277 | config SYS_HAS_CPU_R5432 | |
1278 | bool | |
1279 | ||
1280 | config SYS_HAS_CPU_R6000 | |
1281 | bool | |
1282 | ||
1283 | config SYS_HAS_CPU_NEVADA | |
1284 | bool | |
1285 | ||
1286 | config SYS_HAS_CPU_R8000 | |
1287 | bool | |
1288 | ||
1289 | config SYS_HAS_CPU_R10000 | |
1290 | bool | |
1291 | ||
1292 | config SYS_HAS_CPU_RM7000 | |
1293 | bool | |
1294 | ||
1295 | config SYS_HAS_CPU_RM9000 | |
1296 | bool | |
1297 | ||
1298 | config SYS_HAS_CPU_SB1 | |
1299 | bool | |
1300 | ||
17099b11 RB |
1301 | # |
1302 | # CPU may reorder R->R, R->W, W->R, W->W | |
1303 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1304 | # | |
0004a9df RB |
1305 | config WEAK_ORDERING |
1306 | bool | |
17099b11 RB |
1307 | |
1308 | # | |
1309 | # CPU may reorder reads and writes beyond LL/SC | |
1310 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1311 | # | |
1312 | config WEAK_REORDERING_BEYOND_LLSC | |
1313 | bool | |
5e83d430 RB |
1314 | endmenu |
1315 | ||
1316 | # | |
c09b47d8 | 1317 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1318 | # |
1319 | config CPU_MIPS32 | |
1320 | bool | |
1321 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1322 | ||
1323 | config CPU_MIPS64 | |
1324 | bool | |
1325 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1326 | ||
1327 | # | |
c09b47d8 | 1328 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1329 | # |
1330 | config CPU_MIPSR1 | |
1331 | bool | |
1332 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1333 | ||
1334 | config CPU_MIPSR2 | |
1335 | bool | |
1336 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 | |
1337 | ||
1338 | config SYS_SUPPORTS_32BIT_KERNEL | |
1339 | bool | |
1340 | config SYS_SUPPORTS_64BIT_KERNEL | |
1341 | bool | |
1342 | config CPU_SUPPORTS_32BIT_KERNEL | |
1343 | bool | |
1344 | config CPU_SUPPORTS_64BIT_KERNEL | |
1345 | bool | |
1346 | ||
1347 | menu "Kernel type" | |
1348 | ||
1349 | choice | |
1350 | ||
1351 | prompt "Kernel code model" | |
1352 | help | |
1353 | You should only select this option if you have a workload that | |
1354 | actually benefits from 64-bit processing or if your machine has | |
1355 | large memory. You will only be presented a single option in this | |
1356 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1357 | ||
1358 | config 32BIT | |
1359 | bool "32-bit kernel" | |
1360 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1361 | select TRAD_SIGNALS | |
1362 | help | |
1363 | Select this option if you want to build a 32-bit kernel. | |
1364 | config 64BIT | |
1365 | bool "64-bit kernel" | |
1366 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1367 | help | |
1368 | Select this option if you want to build a 64-bit kernel. | |
1369 | ||
1370 | endchoice | |
1371 | ||
1da177e4 LT |
1372 | choice |
1373 | prompt "Kernel page size" | |
1374 | default PAGE_SIZE_4KB | |
1375 | ||
1376 | config PAGE_SIZE_4KB | |
1377 | bool "4kB" | |
1378 | help | |
1379 | This option select the standard 4kB Linux page size. On some | |
1380 | R3000-family processors this is the only available page size. Using | |
1381 | 4kB page size will minimize memory consumption and is therefore | |
1382 | recommended for low memory systems. | |
1383 | ||
1384 | config PAGE_SIZE_8KB | |
1385 | bool "8kB" | |
1386 | depends on EXPERIMENTAL && CPU_R8000 | |
1387 | help | |
1388 | Using 8kB page size will result in higher performance kernel at | |
1389 | the price of higher memory consumption. This option is available | |
1390 | only on the R8000 processor. Not that at the time of this writing | |
1391 | this option is still high experimental; there are also issues with | |
1392 | compatibility of user applications. | |
1393 | ||
1394 | config PAGE_SIZE_16KB | |
1395 | bool "16kB" | |
714bfad6 | 1396 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1397 | help |
1398 | Using 16kB page size will result in higher performance kernel at | |
1399 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1400 | all non-R3000 family processors. Note that you will need a suitable |
1401 | Linux distribution to support this. | |
1da177e4 LT |
1402 | |
1403 | config PAGE_SIZE_64KB | |
1404 | bool "64kB" | |
1405 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1406 | help | |
1407 | Using 64kB page size will result in higher performance kernel at | |
1408 | the price of higher memory consumption. This option is available on | |
1409 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1410 | writing this option is still high experimental. |
1da177e4 LT |
1411 | |
1412 | endchoice | |
1413 | ||
1414 | config BOARD_SCACHE | |
1415 | bool | |
1416 | ||
1417 | config IP22_CPU_SCACHE | |
1418 | bool | |
1419 | select BOARD_SCACHE | |
1420 | ||
9318c51a CD |
1421 | # |
1422 | # Support for a MIPS32 / MIPS64 style S-caches | |
1423 | # | |
1424 | config MIPS_CPU_SCACHE | |
1425 | bool | |
1426 | select BOARD_SCACHE | |
1427 | ||
1da177e4 LT |
1428 | config R5000_CPU_SCACHE |
1429 | bool | |
1430 | select BOARD_SCACHE | |
1431 | ||
1432 | config RM7000_CPU_SCACHE | |
1433 | bool | |
1434 | select BOARD_SCACHE | |
1435 | ||
1436 | config SIBYTE_DMA_PAGEOPS | |
1437 | bool "Use DMA to clear/copy pages" | |
1438 | depends on CPU_SB1 | |
1439 | help | |
1440 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1441 | channel. These DMA channels are otherwise unused by the standard | |
1442 | SiByte Linux port. Seems to give a small performance benefit. | |
1443 | ||
1444 | config CPU_HAS_PREFETCH | |
c8094b53 | 1445 | bool |
1da177e4 | 1446 | |
340ee4b9 RB |
1447 | choice |
1448 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1449 | |
1450 | config MIPS_MT_DISABLED | |
1451 | bool "Disable multithreading support." | |
1452 | help | |
1453 | Use this option if your workload can't take advantage of | |
1454 | MIPS hardware multithreading support. On systems that don't have | |
1455 | the option of an MT-enabled processor this option will be the only | |
1456 | option in this menu. | |
340ee4b9 | 1457 | |
59d6ab86 RB |
1458 | config MIPS_MT_SMP |
1459 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1460 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1461 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1462 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1463 | select MIPS_MT |
f510aa3b | 1464 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1465 | select SMP |
0ab7aefc | 1466 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1467 | select SYS_SUPPORTS_SMP |
87353d8a | 1468 | select SMP_UP |
f41ae0b2 | 1469 | help |
59d6ab86 RB |
1470 | This is a kernel model which is also known a VSMP or lately |
1471 | has been marketesed into SMVP. | |
41c594ab | 1472 | |
59d6ab86 RB |
1473 | config MIPS_MT_SMTC |
1474 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1475 | depends on CPU_MIPS32_R2 | |
1476 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 | 1477 | depends on SYS_SUPPORTS_MULTITHREADING |
ea580401 | 1478 | select GENERIC_CLOCKEVENTS_BROADCAST |
f41ae0b2 | 1479 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1480 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1481 | select MIPS_MT |
130e2fb7 | 1482 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1483 | select SMP |
73b76c78 | 1484 | select SYS_SUPPORTS_SMP |
87353d8a | 1485 | select SMP_UP |
f41ae0b2 | 1486 | help |
59d6ab86 RB |
1487 | This is a kernel model which is known a SMTC or lately has been |
1488 | marketesed into SMVP. | |
340ee4b9 | 1489 | |
340ee4b9 RB |
1490 | endchoice |
1491 | ||
f41ae0b2 RB |
1492 | config MIPS_MT |
1493 | bool | |
1494 | ||
0ab7aefc RB |
1495 | config SCHED_SMT |
1496 | bool "SMT (multithreading) scheduler support" | |
1497 | depends on SYS_SUPPORTS_SCHED_SMT | |
1498 | default n | |
1499 | help | |
1500 | SMT scheduler support improves the CPU scheduler's decision making | |
1501 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1502 | increased overhead in some places. If unsure say N here. | |
1503 | ||
1504 | config SYS_SUPPORTS_SCHED_SMT | |
1505 | bool | |
1506 | ||
1507 | ||
f41ae0b2 RB |
1508 | config SYS_SUPPORTS_MULTITHREADING |
1509 | bool | |
1510 | ||
f088fc84 RB |
1511 | config MIPS_MT_FPAFF |
1512 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1513 | default y |
07cc0c9e RB |
1514 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1515 | ||
1516 | config MIPS_VPE_LOADER | |
1517 | bool "VPE loader support." | |
1518 | depends on SYS_SUPPORTS_MULTITHREADING | |
1519 | select CPU_MIPSR2_IRQ_VI | |
1520 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1521 | select MIPS_MT |
1522 | help | |
1523 | Includes a loader for loading an elf relocatable object | |
1524 | onto another VPE and running it. | |
f088fc84 | 1525 | |
ac8be955 RB |
1526 | config MIPS_MT_SMTC_INSTANT_REPLAY |
1527 | bool "Low-latency Dispatch of Deferred SMTC IPIs" | |
619af723 | 1528 | depends on MIPS_MT_SMTC && !PREEMPT |
ac8be955 RB |
1529 | default y |
1530 | help | |
1531 | SMTC pseudo-interrupts between TCs are deferred and queued | |
1532 | if the target TC is interrupt-inhibited (IXMT). In the first | |
1533 | SMTC prototypes, these queued IPIs were serviced on return | |
1534 | to user mode, or on entry into the kernel idle loop. The | |
1535 | INSTANT_REPLAY option dispatches them as part of local_irq_restore() | |
1536 | processing, which adds runtime overhead (hence the option to turn | |
1537 | it off), but ensures that IPIs are handled promptly even under | |
1538 | heavy I/O interrupt load. | |
1539 | ||
0db34215 KK |
1540 | config MIPS_MT_SMTC_IM_BACKSTOP |
1541 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1542 | depends on MIPS_MT_SMTC | |
1543 | default y | |
1544 | help | |
1545 | To support multiple TC microthreads acting as "CPUs" within | |
1546 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1547 | during interrupt handling. To support legacy drivers and interrupt | |
1548 | controller management code, SMTC has a "backstop" to track and | |
1549 | if necessary restore the interrupt mask. This has some performance | |
1550 | impact on interrupt service overhead. Disable it only if you know | |
1551 | what you are doing. | |
1552 | ||
f571eff0 KK |
1553 | config MIPS_MT_SMTC_IRQAFF |
1554 | bool "Support IRQ affinity API" | |
1555 | depends on MIPS_MT_SMTC | |
1556 | default n | |
1557 | help | |
1558 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1559 | for SMTC Linux kernel. Requires platform support, of which | |
1560 | an example can be found in the MIPS kernel i8259 and Malta | |
1561 | platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY | |
1562 | be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to | |
1563 | interrupt dispatch, and should be used only if you know what | |
1564 | you are doing. | |
1565 | ||
e01402b1 RB |
1566 | config MIPS_VPE_LOADER_TOM |
1567 | bool "Load VPE program into memory hidden from linux" | |
1568 | depends on MIPS_VPE_LOADER | |
1569 | default y | |
1570 | help | |
1571 | The loader can use memory that is present but has been hidden from | |
1572 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1573 | you to ensure the amount you put in the option and the space your | |
1574 | program requires is less or equal to the amount physically present. | |
1575 | ||
1576 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1577 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1578 | bool "Enable support for AP/SP API (RTLX)" |
1579 | depends on MIPS_VPE_LOADER | |
1580 | help | |
e01402b1 | 1581 | |
2600990e RB |
1582 | config MIPS_APSP_KSPD |
1583 | bool "Enable KSPD" | |
1584 | depends on MIPS_VPE_APSP_API | |
1585 | default y | |
1586 | help | |
1587 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1588 | side, actions them and returns the results. It also handles the | |
1589 | "exit" syscall notifying other kernel modules the SP program is | |
1590 | exiting. You probably want to say yes here. | |
1591 | ||
1da177e4 LT |
1592 | config SB1_PASS_1_WORKAROUNDS |
1593 | bool | |
1594 | depends on CPU_SB1_PASS_1 | |
1595 | default y | |
1596 | ||
1597 | config SB1_PASS_2_WORKAROUNDS | |
1598 | bool | |
1599 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1600 | default y | |
1601 | ||
1602 | config SB1_PASS_2_1_WORKAROUNDS | |
1603 | bool | |
1604 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1605 | default y | |
1606 | ||
1607 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1608 | bool |
1da177e4 | 1609 | |
1da177e4 | 1610 | config CPU_HAS_LLSC |
f7062ddb | 1611 | bool |
1da177e4 | 1612 | |
9693a853 FBH |
1613 | config CPU_HAS_SMARTMIPS |
1614 | depends on SYS_SUPPORTS_SMARTMIPS | |
1615 | bool "Support for the SmartMIPS ASE" | |
1616 | help | |
1617 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1618 | increased security at both hardware and software level for | |
1619 | smartcards. Enabling this option will allow proper use of the | |
1620 | SmartMIPS instructions by Linux applications. However a kernel with | |
1621 | this option will not work on a MIPS core without SmartMIPS core. If | |
1622 | you don't know you probably don't have SmartMIPS and should say N | |
1623 | here. | |
1624 | ||
1da177e4 | 1625 | config CPU_HAS_WB |
f7062ddb | 1626 | bool |
e01402b1 | 1627 | |
f41ae0b2 RB |
1628 | # |
1629 | # Vectored interrupt mode is an R2 feature | |
1630 | # | |
e01402b1 | 1631 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1632 | bool |
e01402b1 | 1633 | |
f41ae0b2 RB |
1634 | # |
1635 | # Extended interrupt mode is an R2 feature | |
1636 | # | |
e01402b1 | 1637 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1638 | bool |
e01402b1 | 1639 | |
1da177e4 LT |
1640 | config CPU_HAS_SYNC |
1641 | bool | |
1642 | depends on !CPU_R3000 | |
1643 | default y | |
1644 | ||
ea580401 RB |
1645 | config GENERIC_CLOCKEVENTS_BROADCAST |
1646 | bool | |
1647 | ||
20d60d99 MR |
1648 | # |
1649 | # CPU non-features | |
1650 | # | |
1651 | config CPU_DADDI_WORKAROUNDS | |
1652 | bool | |
1653 | ||
1654 | config CPU_R4000_WORKAROUNDS | |
1655 | bool | |
1656 | select CPU_R4400_WORKAROUNDS | |
1657 | ||
1658 | config CPU_R4400_WORKAROUNDS | |
1659 | bool | |
1660 | ||
797798c1 RB |
1661 | # |
1662 | # Use the generic interrupt handling code in kernel/irq/: | |
1663 | # | |
1664 | config GENERIC_HARDIRQS | |
1665 | bool | |
1666 | default y | |
1667 | ||
1668 | config GENERIC_IRQ_PROBE | |
1669 | bool | |
1670 | default y | |
1671 | ||
0d7012a9 | 1672 | config IRQ_PER_CPU |
0d7012a9 | 1673 | bool |
0d7012a9 | 1674 | |
1da177e4 LT |
1675 | # |
1676 | # - Highmem only makes sense for the 32-bit kernel. | |
1677 | # - The current highmem code will only work properly on physically indexed | |
1678 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1679 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1680 | # moment we protect the user and offer the highmem option only on machines | |
1681 | # where it's known to be safe. This will not offer highmem on a few systems | |
1682 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1683 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1684 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1685 | # know they might have memory configurations that could make use of highmem | |
1686 | # support. | |
1da177e4 LT |
1687 | # |
1688 | config HIGHMEM | |
1689 | bool "High Memory Support" | |
797798c1 RB |
1690 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1691 | ||
1692 | config CPU_SUPPORTS_HIGHMEM | |
1693 | bool | |
1694 | ||
1695 | config SYS_SUPPORTS_HIGHMEM | |
1696 | bool | |
1da177e4 | 1697 | |
9693a853 FBH |
1698 | config SYS_SUPPORTS_SMARTMIPS |
1699 | bool | |
1700 | ||
b4819b59 YY |
1701 | config ARCH_FLATMEM_ENABLE |
1702 | def_bool y | |
1703 | depends on !NUMA | |
1704 | ||
d8cb4e11 RB |
1705 | config ARCH_DISCONTIGMEM_ENABLE |
1706 | bool | |
1707 | default y if SGI_IP27 | |
1708 | help | |
3dde6ad8 | 1709 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1710 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1711 | or have huge holes in the physical address space for other reasons. | |
1712 | See <file:Documentation/vm/numa> for more. | |
1713 | ||
cce335ae RB |
1714 | config ARCH_POPULATES_NODE_MAP |
1715 | def_bool y | |
1716 | ||
31473747 AN |
1717 | config ARCH_SPARSEMEM_ENABLE |
1718 | bool | |
7de58fab | 1719 | select SPARSEMEM_STATIC |
31473747 | 1720 | |
d8cb4e11 RB |
1721 | config NUMA |
1722 | bool "NUMA Support" | |
1723 | depends on SYS_SUPPORTS_NUMA | |
1724 | help | |
1725 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1726 | Access). This option improves performance on systems with more | |
1727 | than two nodes; on two node systems it is generally better to | |
1728 | leave it disabled; on single node systems disable this option | |
1729 | disabled. | |
1730 | ||
1731 | config SYS_SUPPORTS_NUMA | |
1732 | bool | |
1733 | ||
c80d79d7 YG |
1734 | config NODES_SHIFT |
1735 | int | |
1736 | default "6" | |
1737 | depends on NEED_MULTIPLE_NODES | |
1738 | ||
b4819b59 YY |
1739 | source "mm/Kconfig" |
1740 | ||
1da177e4 LT |
1741 | config SMP |
1742 | bool "Multi-Processing support" | |
e73ea273 | 1743 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 1744 | select IRQ_PER_CPU |
e73ea273 | 1745 | help |
1da177e4 LT |
1746 | This enables support for systems with more than one CPU. If you have |
1747 | a system with only one CPU, like most personal computers, say N. If | |
1748 | you have a system with more than one CPU, say Y. | |
1749 | ||
1750 | If you say N here, the kernel will run on single and multiprocessor | |
1751 | machines, but will use only one CPU of a multiprocessor machine. If | |
1752 | you say Y here, the kernel will run on many, but not all, | |
1753 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1754 | will run faster if you say N here. | |
1755 | ||
1756 | People using multiprocessor machines who say Y here should also say | |
1757 | Y to "Enhanced Real Time Clock Support", below. | |
1758 | ||
03502faa AB |
1759 | See also the SMP-HOWTO available at |
1760 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
1761 | |
1762 | If you don't know what to do here, say N. | |
1763 | ||
87353d8a RB |
1764 | config SMP_UP |
1765 | bool | |
1766 | ||
e73ea273 RB |
1767 | config SYS_SUPPORTS_SMP |
1768 | bool | |
1769 | ||
72ede9b1 AN |
1770 | config NR_CPUS_DEFAULT_1 |
1771 | bool | |
1772 | ||
130e2fb7 RB |
1773 | config NR_CPUS_DEFAULT_2 |
1774 | bool | |
1775 | ||
1776 | config NR_CPUS_DEFAULT_4 | |
1777 | bool | |
1778 | ||
1779 | config NR_CPUS_DEFAULT_8 | |
1780 | bool | |
1781 | ||
1782 | config NR_CPUS_DEFAULT_16 | |
1783 | bool | |
1784 | ||
1785 | config NR_CPUS_DEFAULT_32 | |
1786 | bool | |
1787 | ||
1788 | config NR_CPUS_DEFAULT_64 | |
1789 | bool | |
1790 | ||
1da177e4 LT |
1791 | config NR_CPUS |
1792 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 1793 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 1794 | depends on SMP |
72ede9b1 | 1795 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
1796 | default "2" if NR_CPUS_DEFAULT_2 |
1797 | default "4" if NR_CPUS_DEFAULT_4 | |
1798 | default "8" if NR_CPUS_DEFAULT_8 | |
1799 | default "16" if NR_CPUS_DEFAULT_16 | |
1800 | default "32" if NR_CPUS_DEFAULT_32 | |
1801 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
1802 | help |
1803 | This allows you to specify the maximum number of CPUs which this | |
1804 | kernel will support. The maximum supported value is 32 for 32-bit | |
1805 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
1806 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1807 | and 2 for all others. | |
1da177e4 LT |
1808 | |
1809 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
1810 | approximately eight kilobytes to the kernel image. For best |
1811 | performance should round up your number of processors to the next | |
1812 | power of two. | |
1da177e4 | 1813 | |
c4eee283 AN |
1814 | source "kernel/time/Kconfig" |
1815 | ||
1723b4a3 AN |
1816 | # |
1817 | # Timer Interrupt Frequency Configuration | |
1818 | # | |
1819 | ||
1820 | choice | |
1821 | prompt "Timer frequency" | |
1822 | default HZ_250 | |
1823 | help | |
1824 | Allows the configuration of the timer frequency. | |
1825 | ||
1826 | config HZ_48 | |
1827 | bool "48 HZ" if SYS_SUPPORTS_48HZ | |
1828 | ||
1829 | config HZ_100 | |
1830 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1831 | ||
1832 | config HZ_128 | |
1833 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1834 | ||
1835 | config HZ_250 | |
1836 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1837 | ||
1838 | config HZ_256 | |
1839 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1840 | ||
1841 | config HZ_1000 | |
1842 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1843 | ||
1844 | config HZ_1024 | |
1845 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1846 | ||
1847 | endchoice | |
1848 | ||
1849 | config SYS_SUPPORTS_48HZ | |
1850 | bool | |
1851 | ||
1852 | config SYS_SUPPORTS_100HZ | |
1853 | bool | |
1854 | ||
1855 | config SYS_SUPPORTS_128HZ | |
1856 | bool | |
1857 | ||
1858 | config SYS_SUPPORTS_250HZ | |
1859 | bool | |
1860 | ||
1861 | config SYS_SUPPORTS_256HZ | |
1862 | bool | |
1863 | ||
1864 | config SYS_SUPPORTS_1000HZ | |
1865 | bool | |
1866 | ||
1867 | config SYS_SUPPORTS_1024HZ | |
1868 | bool | |
1869 | ||
1870 | config SYS_SUPPORTS_ARBIT_HZ | |
1871 | bool | |
1872 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1873 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1874 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1875 | !SYS_SUPPORTS_1024HZ | |
1876 | ||
1877 | config HZ | |
1878 | int | |
1879 | default 48 if HZ_48 | |
1880 | default 100 if HZ_100 | |
1881 | default 128 if HZ_128 | |
1882 | default 250 if HZ_250 | |
1883 | default 256 if HZ_256 | |
1884 | default 1000 if HZ_1000 | |
1885 | default 1024 if HZ_1024 | |
1886 | ||
e80de850 | 1887 | source "kernel/Kconfig.preempt" |
1da177e4 | 1888 | |
1da177e4 LT |
1889 | config MIPS_INSANE_LARGE |
1890 | bool "Support for large 64-bit configurations" | |
875d43e7 | 1891 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
1892 | help |
1893 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1894 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1895 | need processes of more than 1TB virtual address space, say Y here. | |
1896 | This will result in additional memory usage, so it is not | |
1897 | recommended for normal users. | |
1898 | ||
ea6e942b AN |
1899 | config KEXEC |
1900 | bool "Kexec system call (EXPERIMENTAL)" | |
1901 | depends on EXPERIMENTAL | |
1902 | help | |
1903 | kexec is a system call that implements the ability to shutdown your | |
1904 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 1905 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
1906 | you can start any kernel with it, not just Linux. |
1907 | ||
01dd2fbf | 1908 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
1909 | |
1910 | It is an ongoing process to be certain the hardware in a machine | |
1911 | is properly shutdown, so do not be surprised if this code does not | |
1912 | initially work for you. It may help to enable device hotplugging | |
1913 | support. As of this writing the exact hardware interface is | |
1914 | strongly in flux, so no good recommendation can be made. | |
1915 | ||
1916 | config SECCOMP | |
1917 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 1918 | depends on PROC_FS |
ea6e942b AN |
1919 | default y |
1920 | help | |
1921 | This kernel feature is useful for number crunching applications | |
1922 | that may need to compute untrusted bytecode during their | |
1923 | execution. By using pipes or other transports made available to | |
1924 | the process as file descriptors supporting the read/write | |
1925 | syscalls, it's possible to isolate those applications in | |
1926 | their own address space using seccomp. Once seccomp is | |
1927 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1928 | and the task is only allowed to execute a few safe syscalls | |
1929 | defined by each seccomp mode. | |
1930 | ||
1931 | If unsure, say Y. Only embedded should say N here. | |
1932 | ||
5e83d430 RB |
1933 | endmenu |
1934 | ||
1da177e4 LT |
1935 | config RWSEM_GENERIC_SPINLOCK |
1936 | bool | |
1937 | default y | |
1938 | ||
1df0f0ff AN |
1939 | config LOCKDEP_SUPPORT |
1940 | bool | |
1941 | default y | |
1942 | ||
1943 | config STACKTRACE_SUPPORT | |
1944 | bool | |
1945 | default y | |
1946 | ||
b6c3539b RB |
1947 | source "init/Kconfig" |
1948 | ||
1da177e4 LT |
1949 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
1950 | ||
5e83d430 RB |
1951 | config HW_HAS_EISA |
1952 | bool | |
1da177e4 LT |
1953 | config HW_HAS_PCI |
1954 | bool | |
1955 | ||
1956 | config PCI | |
1957 | bool "Support for PCI controller" | |
1958 | depends on HW_HAS_PCI | |
abb4ae46 | 1959 | select PCI_DOMAINS |
1da177e4 LT |
1960 | help |
1961 | Find out whether you have a PCI motherboard. PCI is the name of a | |
1962 | bus system, i.e. the way the CPU talks to the other stuff inside | |
1963 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
1964 | say Y, otherwise N. | |
1965 | ||
1da177e4 LT |
1966 | config PCI_DOMAINS |
1967 | bool | |
1da177e4 LT |
1968 | |
1969 | source "drivers/pci/Kconfig" | |
1970 | ||
1971 | # | |
1972 | # ISA support is now enabled via select. Too many systems still have the one | |
1973 | # or other ISA chip on the board that users don't know about so don't expect | |
1974 | # users to choose the right thing ... | |
1975 | # | |
1976 | config ISA | |
1977 | bool | |
1978 | ||
1979 | config EISA | |
1980 | bool "EISA support" | |
5e83d430 | 1981 | depends on HW_HAS_EISA |
1da177e4 | 1982 | select ISA |
aa414dff | 1983 | select GENERIC_ISA_DMA |
1da177e4 LT |
1984 | ---help--- |
1985 | The Extended Industry Standard Architecture (EISA) bus was | |
1986 | developed as an open alternative to the IBM MicroChannel bus. | |
1987 | ||
1988 | The EISA bus provided some of the features of the IBM MicroChannel | |
1989 | bus while maintaining backward compatibility with cards made for | |
1990 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
1991 | 1995 when it was made obsolete by the PCI bus. | |
1992 | ||
1993 | Say Y here if you are building a kernel for an EISA-based machine. | |
1994 | ||
1995 | Otherwise, say N. | |
1996 | ||
1997 | source "drivers/eisa/Kconfig" | |
1998 | ||
1999 | config TC | |
2000 | bool "TURBOchannel support" | |
2001 | depends on MACH_DECSTATION | |
2002 | help | |
2003 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2004 | processors. Documentation on writing device drivers for TurboChannel | |
2005 | is available at: | |
2006 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
2007 | ||
2008 | #config ACCESSBUS | |
2009 | # bool "Access.Bus support" | |
2010 | # depends on TC | |
2011 | ||
2012 | config MMU | |
2013 | bool | |
2014 | default y | |
2015 | ||
d865bea4 RB |
2016 | config I8253 |
2017 | bool | |
2018 | ||
cce335ae RB |
2019 | config ZONE_DMA32 |
2020 | bool | |
2021 | ||
1da177e4 LT |
2022 | source "drivers/pcmcia/Kconfig" |
2023 | ||
2024 | source "drivers/pci/hotplug/Kconfig" | |
2025 | ||
2026 | endmenu | |
2027 | ||
2028 | menu "Executable file formats" | |
2029 | ||
2030 | source "fs/Kconfig.binfmt" | |
2031 | ||
2032 | config TRAD_SIGNALS | |
2033 | bool | |
1da177e4 | 2034 | |
1da177e4 LT |
2035 | config BINFMT_IRIX |
2036 | bool "Include IRIX binary compatibility" | |
5e83d430 | 2037 | depends on CPU_BIG_ENDIAN && 32BIT && BROKEN |
1da177e4 LT |
2038 | |
2039 | config MIPS32_COMPAT | |
2040 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2041 | depends on 64BIT |
1da177e4 LT |
2042 | help |
2043 | Select this option if you want Linux/MIPS 32-bit binary | |
2044 | compatibility. Since all software available for Linux/MIPS is | |
2045 | currently 32-bit you should say Y here. | |
2046 | ||
2047 | config COMPAT | |
2048 | bool | |
2049 | depends on MIPS32_COMPAT | |
2050 | default y | |
2051 | ||
05e43966 AN |
2052 | config SYSVIPC_COMPAT |
2053 | bool | |
2054 | depends on COMPAT && SYSVIPC | |
2055 | default y | |
2056 | ||
1da177e4 LT |
2057 | config MIPS32_O32 |
2058 | bool "Kernel support for o32 binaries" | |
2059 | depends on MIPS32_COMPAT | |
2060 | help | |
2061 | Select this option if you want to run o32 binaries. These are pure | |
2062 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2063 | existing binaries are in this format. | |
2064 | ||
2065 | If unsure, say Y. | |
2066 | ||
2067 | config MIPS32_N32 | |
2068 | bool "Kernel support for n32 binaries" | |
2069 | depends on MIPS32_COMPAT | |
2070 | help | |
2071 | Select this option if you want to run n32 binaries. These are | |
2072 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2073 | data that would normally be 64-bit. They are used in special | |
2074 | cases. | |
2075 | ||
2076 | If unsure, say N. | |
2077 | ||
2078 | config BINFMT_ELF32 | |
2079 | bool | |
2080 | default y if MIPS32_O32 || MIPS32_N32 | |
2081 | ||
2116245e RB |
2082 | endmenu |
2083 | ||
2084 | menu "Power management options" | |
2085 | ||
f4cb5700 JB |
2086 | config ARCH_SUSPEND_POSSIBLE |
2087 | def_bool y | |
2088 | depends on !SMP | |
2089 | ||
2116245e | 2090 | source "kernel/power/Kconfig" |
952fa954 | 2091 | |
1da177e4 LT |
2092 | endmenu |
2093 | ||
d5950b43 SR |
2094 | source "net/Kconfig" |
2095 | ||
1da177e4 LT |
2096 | source "drivers/Kconfig" |
2097 | ||
2098 | source "fs/Kconfig" | |
2099 | ||
2100 | source "arch/mips/Kconfig.debug" | |
2101 | ||
2102 | source "security/Kconfig" | |
2103 | ||
2104 | source "crypto/Kconfig" | |
2105 | ||
2106 | source "lib/Kconfig" |