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 |
39b8d525 | 224 | select IRQ_GIC |
1da177e4 | 225 | select HW_HAS_PCI |
d865bea4 | 226 | select I8253 |
1da177e4 | 227 | select I8259 |
5e83d430 RB |
228 | select MIPS_BOARDS_GEN |
229 | select MIPS_BONITO64 | |
9318c51a | 230 | select MIPS_CPU_SCACHE |
252161ec | 231 | select PCI_GT64XXX_PCI0 |
5e83d430 | 232 | select MIPS_MSC |
1da177e4 | 233 | select SWAP_IO_SPACE |
7cf8053b RB |
234 | select SYS_HAS_CPU_MIPS32_R1 |
235 | select SYS_HAS_CPU_MIPS32_R2 | |
236 | select SYS_HAS_CPU_MIPS64_R1 | |
237 | select SYS_HAS_CPU_NEVADA | |
238 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 239 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
240 | select SYS_SUPPORTS_32BIT_KERNEL |
241 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
242 | select SYS_SUPPORTS_BIG_ENDIAN |
243 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f41ae0b2 | 244 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 245 | select SYS_SUPPORTS_SMARTMIPS |
1da177e4 | 246 | help |
f638d197 | 247 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
248 | board. |
249 | ||
250 | config MIPS_SEAD | |
d98cc84d | 251 | bool "MIPS SEAD board" |
42f77542 | 252 | select CEVT_R4K |
940f6b48 | 253 | select CSRC_R4K |
1da177e4 LT |
254 | select IRQ_CPU |
255 | select DMA_NONCOHERENT | |
36a88530 | 256 | select SYS_HAS_EARLY_PRINTK |
5e83d430 | 257 | select MIPS_BOARDS_GEN |
7cf8053b RB |
258 | select SYS_HAS_CPU_MIPS32_R1 |
259 | select SYS_HAS_CPU_MIPS32_R2 | |
260 | select SYS_HAS_CPU_MIPS64_R1 | |
ed5ba2fb | 261 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 RB |
262 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL |
263 | select SYS_SUPPORTS_BIG_ENDIAN | |
264 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
9693a853 | 265 | select SYS_SUPPORTS_SMARTMIPS |
f638d197 MR |
266 | help |
267 | This enables support for the MIPS Technologies SEAD evaluation | |
268 | board. | |
1da177e4 | 269 | |
5e83d430 | 270 | config MIPS_SIM |
3fa986fa | 271 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 272 | select CEVT_R4K |
940f6b48 | 273 | select CSRC_R4K |
1da177e4 | 274 | select DMA_NONCOHERENT |
36a88530 | 275 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 276 | select IRQ_CPU |
9267a30d | 277 | select BOOT_RAW |
7cf8053b RB |
278 | select SYS_HAS_CPU_MIPS32_R1 |
279 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 280 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 281 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 282 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 283 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 284 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 285 | help |
5e83d430 RB |
286 | This option enables support for MIPS Technologies MIPSsim software |
287 | emulator. | |
1da177e4 | 288 | |
ade299d8 YY |
289 | config MARKEINS |
290 | bool "NEC EMMA2RH Mark-eins" | |
42f77542 | 291 | select CEVT_R4K |
940f6b48 | 292 | select CSRC_R4K |
ade299d8 YY |
293 | select DMA_NONCOHERENT |
294 | select HW_HAS_PCI | |
295 | select IRQ_CPU | |
296 | select SWAP_IO_SPACE | |
297 | select SYS_SUPPORTS_32BIT_KERNEL | |
298 | select SYS_SUPPORTS_BIG_ENDIAN | |
299 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
300 | select SYS_HAS_CPU_R5000 | |
301 | help | |
302 | This enables support for the R5432-based NEC Mark-eins | |
303 | boards with R5500 CPU. | |
304 | ||
5e83d430 | 305 | config MACH_VR41XX |
74142d65 | 306 | bool "NEC VR4100 series based machines" |
42f77542 | 307 | select CEVT_R4K |
940f6b48 | 308 | select CSRC_R4K |
7cf8053b | 309 | select SYS_HAS_CPU_VR41XX |
9fd32cfb | 310 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 311 | |
ade299d8 YY |
312 | config PNX8550_JBS |
313 | bool "Philips PNX8550 based JBS board" | |
314 | select PNX8550 | |
315 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
316 | ||
317 | config PNX8550_STB810 | |
318 | bool "Philips PNX8550 based STB810 board" | |
319 | select PNX8550 | |
320 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
321 | ||
9267a30d MSJ |
322 | config PMC_MSP |
323 | bool "PMC-Sierra MSP chipsets" | |
324 | depends on EXPERIMENTAL | |
325 | select DMA_NONCOHERENT | |
326 | select SWAP_IO_SPACE | |
327 | select NO_EXCEPT_FILL | |
328 | select BOOT_RAW | |
329 | select SYS_HAS_CPU_MIPS32_R1 | |
330 | select SYS_HAS_CPU_MIPS32_R2 | |
331 | select SYS_SUPPORTS_32BIT_KERNEL | |
332 | select SYS_SUPPORTS_BIG_ENDIAN | |
333 | select SYS_SUPPORTS_KGDB | |
334 | select IRQ_CPU | |
335 | select SERIAL_8250 | |
336 | select SERIAL_8250_CONSOLE | |
337 | help | |
338 | This adds support for the PMC-Sierra family of Multi-Service | |
339 | Processor System-On-A-Chips. These parts include a number | |
340 | of integrated peripherals, interfaces and DSPs in addition to | |
341 | a variety of MIPS cores. | |
342 | ||
5e83d430 | 343 | config PMC_YOSEMITE |
3fa986fa | 344 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 345 | select CEVT_R4K |
940f6b48 | 346 | select CSRC_R4K |
5e83d430 RB |
347 | select DMA_COHERENT |
348 | select HW_HAS_PCI | |
349 | select IRQ_CPU | |
350 | select IRQ_CPU_RM7K | |
351 | select IRQ_CPU_RM9K | |
352 | select SWAP_IO_SPACE | |
7cf8053b | 353 | select SYS_HAS_CPU_RM9000 |
36a88530 | 354 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
355 | select SYS_SUPPORTS_32BIT_KERNEL |
356 | select SYS_SUPPORTS_64BIT_KERNEL | |
357 | select SYS_SUPPORTS_BIG_ENDIAN | |
358 | select SYS_SUPPORTS_HIGHMEM | |
cc801077 | 359 | select SYS_SUPPORTS_KGDB |
e73ea273 | 360 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
361 | help |
362 | Yosemite is an evaluation board for the RM9000x2 processor | |
363 | manufactured by PMC-Sierra. | |
1da177e4 | 364 | |
1da177e4 | 365 | config SGI_IP22 |
3fa986fa | 366 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
367 | select ARC |
368 | select ARC32 | |
369 | select BOOT_ELF32 | |
42f77542 | 370 | select CEVT_R4K |
940f6b48 | 371 | select CSRC_R4K |
e2defae5 | 372 | select DEFAULT_SGI_PARTITION |
1da177e4 | 373 | select DMA_NONCOHERENT |
5e83d430 | 374 | select HW_HAS_EISA |
d865bea4 | 375 | select I8253 |
68de4803 | 376 | select I8259 |
1da177e4 LT |
377 | select IP22_CPU_SCACHE |
378 | select IRQ_CPU | |
aa414dff | 379 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
380 | select SGI_HAS_DS1286 |
381 | select SGI_HAS_I8042 | |
382 | select SGI_HAS_INDYDOG | |
383 | select SGI_HAS_SEEQ | |
384 | select SGI_HAS_WD93 | |
385 | select SGI_HAS_ZILOG | |
1da177e4 | 386 | select SWAP_IO_SPACE |
7cf8053b RB |
387 | select SYS_HAS_CPU_R4X00 |
388 | select SYS_HAS_CPU_R5000 | |
36a88530 | 389 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
390 | select SYS_SUPPORTS_32BIT_KERNEL |
391 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 392 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
393 | help |
394 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
395 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
396 | that runs on these, say Y here. | |
397 | ||
398 | config SGI_IP27 | |
3fa986fa | 399 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
400 | select ARC |
401 | select ARC64 | |
5e83d430 | 402 | select BOOT_ELF64 |
e2defae5 | 403 | select DEFAULT_SGI_PARTITION |
1da177e4 | 404 | select DMA_IP27 |
36a88530 | 405 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 406 | select HW_HAS_PCI |
130e2fb7 | 407 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 408 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 409 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 410 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 411 | select SYS_SUPPORTS_KGDB |
d8cb4e11 | 412 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 413 | select SYS_SUPPORTS_SMP |
e77c232c | 414 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
415 | help |
416 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
417 | workstations. To compile a Linux kernel that runs on these, say Y | |
418 | here. | |
419 | ||
e2defae5 TB |
420 | config SGI_IP28 |
421 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
422 | depends on EXPERIMENTAL | |
423 | select ARC | |
424 | select ARC64 | |
425 | select BOOT_ELF64 | |
426 | select CEVT_R4K | |
427 | select CSRC_R4K | |
428 | select DEFAULT_SGI_PARTITION | |
429 | select DMA_NONCOHERENT | |
430 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
431 | select IRQ_CPU | |
432 | select HW_HAS_EISA | |
433 | select I8253 | |
434 | select I8259 | |
435 | select SGI_HAS_DS1286 | |
436 | select SGI_HAS_I8042 | |
437 | select SGI_HAS_INDYDOG | |
438 | select SGI_HAS_SEEQ | |
439 | select SGI_HAS_WD93 | |
440 | select SGI_HAS_ZILOG | |
441 | select SWAP_IO_SPACE | |
442 | select SYS_HAS_CPU_R10000 | |
443 | select SYS_HAS_EARLY_PRINTK | |
444 | select SYS_SUPPORTS_64BIT_KERNEL | |
445 | select SYS_SUPPORTS_BIG_ENDIAN | |
446 | help | |
447 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
448 | kernel that runs on these, say Y here. | |
449 | ||
1da177e4 | 450 | config SGI_IP32 |
cfd2afc0 | 451 | bool "SGI IP32 (O2)" |
1da177e4 LT |
452 | select ARC |
453 | select ARC32 | |
454 | select BOOT_ELF32 | |
42f77542 | 455 | select CEVT_R4K |
940f6b48 | 456 | select CSRC_R4K |
1da177e4 LT |
457 | select DMA_NONCOHERENT |
458 | select HW_HAS_PCI | |
dd67b155 | 459 | select IRQ_CPU |
1da177e4 LT |
460 | select R5000_CPU_SCACHE |
461 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
462 | select SYS_HAS_CPU_R5000 |
463 | select SYS_HAS_CPU_R10000 if BROKEN | |
464 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 465 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 466 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 467 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 468 | help |
5e83d430 | 469 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 470 | |
ade299d8 YY |
471 | config SIBYTE_CRHINE |
472 | bool "Sibyte BCM91120C-CRhine" | |
473 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
474 | select BOOT_ELF32 |
475 | select DMA_COHERENT | |
ade299d8 | 476 | select SIBYTE_BCM1120 |
9a6dcea1 | 477 | select SWAP_IO_SPACE |
7cf8053b | 478 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
479 | select SYS_SUPPORTS_BIG_ENDIAN |
480 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
481 | ||
ade299d8 YY |
482 | config SIBYTE_CARMEL |
483 | bool "Sibyte BCM91120x-Carmel" | |
484 | depends on EXPERIMENTAL | |
5e83d430 | 485 | select BOOT_ELF32 |
1da177e4 | 486 | select DMA_COHERENT |
ade299d8 | 487 | select SIBYTE_BCM1120 |
5e83d430 | 488 | select SWAP_IO_SPACE |
7cf8053b | 489 | select SYS_HAS_CPU_SB1 |
81731f79 | 490 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 491 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 492 | |
ade299d8 YY |
493 | config SIBYTE_CRHONE |
494 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
495 | depends on EXPERIMENTAL |
496 | select BOOT_ELF32 | |
497 | select DMA_COHERENT | |
ade299d8 | 498 | select SIBYTE_BCM1125 |
5e83d430 | 499 | select SWAP_IO_SPACE |
7cf8053b | 500 | select SYS_HAS_CPU_SB1 |
5e83d430 | 501 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 502 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 503 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 504 | |
5e83d430 | 505 | config SIBYTE_RHONE |
3fa986fa | 506 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
507 | depends on EXPERIMENTAL |
508 | select BOOT_ELF32 | |
509 | select DMA_COHERENT | |
510 | select SIBYTE_BCM1125H | |
511 | select SWAP_IO_SPACE | |
7cf8053b | 512 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
513 | select SYS_SUPPORTS_BIG_ENDIAN |
514 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 515 | |
ade299d8 YY |
516 | config SIBYTE_SWARM |
517 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 518 | select BOOT_ELF32 |
26a940e2 | 519 | select DMA_COHERENT |
ade299d8 YY |
520 | select NR_CPUS_DEFAULT_2 |
521 | select SIBYTE_SB1250 | |
5e83d430 | 522 | select SWAP_IO_SPACE |
7cf8053b | 523 | select SYS_HAS_CPU_SB1 |
5e83d430 | 524 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 YY |
525 | select SYS_SUPPORTS_HIGHMEM |
526 | select SYS_SUPPORTS_KGDB | |
e3ad1c23 | 527 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 528 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 529 | |
ade299d8 YY |
530 | config SIBYTE_LITTLESUR |
531 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
532 | depends on EXPERIMENTAL |
533 | select BOOT_ELF32 | |
534 | select DMA_COHERENT | |
130e2fb7 | 535 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
536 | select SIBYTE_SB1250 |
537 | select SWAP_IO_SPACE | |
7cf8053b | 538 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
539 | select SYS_SUPPORTS_BIG_ENDIAN |
540 | select SYS_SUPPORTS_HIGHMEM | |
541 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 542 | |
ade299d8 YY |
543 | config SIBYTE_SENTOSA |
544 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
545 | depends on EXPERIMENTAL |
546 | select BOOT_ELF32 | |
547 | select DMA_COHERENT | |
130e2fb7 | 548 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
549 | select SIBYTE_SB1250 |
550 | select SWAP_IO_SPACE | |
7cf8053b | 551 | select SYS_HAS_CPU_SB1 |
5e83d430 | 552 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 553 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 554 | |
ade299d8 YY |
555 | config SIBYTE_BIGSUR |
556 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
557 | select BOOT_ELF32 |
558 | select DMA_COHERENT | |
ade299d8 | 559 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 560 | select SIBYTE_BCM1x80 |
5e83d430 | 561 | select SWAP_IO_SPACE |
7cf8053b | 562 | select SYS_HAS_CPU_SB1 |
5e83d430 | 563 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 564 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 565 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 566 | select ZONE_DMA32 if 64BIT |
1da177e4 | 567 | |
14b36af4 TB |
568 | config SNI_RM |
569 | bool "SNI RM200/300/400" | |
4a0312fc TB |
570 | select ARC if CPU_LITTLE_ENDIAN |
571 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 572 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 573 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 574 | select BOOT_ELF32 |
42f77542 | 575 | select CEVT_R4K |
940f6b48 | 576 | select CSRC_R4K |
e2defae5 | 577 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
578 | select DMA_NONCOHERENT |
579 | select GENERIC_ISA_DMA | |
5e83d430 | 580 | select HW_HAS_EISA |
1da177e4 | 581 | select HW_HAS_PCI |
c066a32a | 582 | select IRQ_CPU |
d865bea4 | 583 | select I8253 |
1da177e4 LT |
584 | select I8259 |
585 | select ISA | |
4a0312fc | 586 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 587 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 588 | select SYS_HAS_CPU_R5000 |
c066a32a | 589 | select SYS_HAS_CPU_R10000 |
4a0312fc | 590 | select R5000_CPU_SCACHE |
36a88530 | 591 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
592 | select SYS_SUPPORTS_32BIT_KERNEL |
593 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 594 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 595 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 596 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 597 | help |
14b36af4 TB |
598 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
599 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
600 | Technology and now in turn merged with Fujitsu. Say Y here to |
601 | support this machine type. | |
602 | ||
5e83d430 | 603 | config TOSHIBA_JMR3927 |
3fa986fa | 604 | bool "Toshiba JMR-TX3927 board" |
229f773e | 605 | select CEVT_TXX9 |
5e83d430 RB |
606 | select DMA_NONCOHERENT |
607 | select HW_HAS_PCI | |
608 | select MIPS_TX3927 | |
c87abd75 | 609 | select IRQ_TXX9 |
5e83d430 | 610 | select SWAP_IO_SPACE |
7cf8053b | 611 | select SYS_HAS_CPU_TX39XX |
5e83d430 | 612 | select SYS_SUPPORTS_32BIT_KERNEL |
6a2603a2 | 613 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 614 | select SYS_SUPPORTS_BIG_ENDIAN |
2127435e | 615 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 616 | |
1da177e4 | 617 | config TOSHIBA_RBTX4927 |
08a91283 | 618 | bool "Toshiba RBTX49[23]7 board" |
42f77542 | 619 | select CEVT_R4K |
940f6b48 | 620 | select CSRC_R4K |
229f773e | 621 | select CEVT_TXX9 |
1da177e4 LT |
622 | select DMA_NONCOHERENT |
623 | select HAS_TXX9_SERIAL | |
624 | select HW_HAS_PCI | |
c87abd75 AN |
625 | select IRQ_CPU |
626 | select IRQ_TXX9 | |
627 | select I8259 if TOSHIBA_FPCIB0 | |
1da177e4 | 628 | select SWAP_IO_SPACE |
7cf8053b | 629 | select SYS_HAS_CPU_TX49XX |
ed5ba2fb YY |
630 | select SYS_SUPPORTS_32BIT_KERNEL |
631 | select SYS_SUPPORTS_64BIT_KERNEL | |
6a2603a2 | 632 | select SYS_SUPPORTS_LITTLE_ENDIAN |
5e83d430 | 633 | select SYS_SUPPORTS_BIG_ENDIAN |
cc801077 | 634 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 635 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
636 | help |
637 | This Toshiba board is based on the TX4927 processor. Say Y here to | |
638 | support this machine type | |
639 | ||
5e83d430 | 640 | config TOSHIBA_RBTX4938 |
3fa986fa | 641 | bool "Toshiba RBTX4938 board" |
42f77542 | 642 | select CEVT_R4K |
940f6b48 | 643 | select CSRC_R4K |
229f773e | 644 | select CEVT_TXX9 |
5e83d430 | 645 | select DMA_NONCOHERENT |
5e83d430 RB |
646 | select HAS_TXX9_SERIAL |
647 | select HW_HAS_PCI | |
c87abd75 AN |
648 | select IRQ_CPU |
649 | select IRQ_TXX9 | |
5e83d430 | 650 | select SWAP_IO_SPACE |
7cf8053b | 651 | select SYS_HAS_CPU_TX49XX |
5e83d430 RB |
652 | select SYS_SUPPORTS_32BIT_KERNEL |
653 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
654 | select SYS_SUPPORTS_BIG_ENDIAN | |
cc801077 | 655 | select SYS_SUPPORTS_KGDB |
9fd32cfb | 656 | select GENERIC_HARDIRQS_NO__DO_IRQ |
3896b054 | 657 | select GENERIC_GPIO |
5e83d430 RB |
658 | help |
659 | This Toshiba board is based on the TX4938 processor. Say Y here to | |
660 | support this machine type | |
661 | ||
ade299d8 YY |
662 | config WR_PPMC |
663 | bool "Wind River PPMC board" | |
42f77542 | 664 | select CEVT_R4K |
940f6b48 | 665 | select CSRC_R4K |
ade299d8 YY |
666 | select IRQ_CPU |
667 | select BOOT_ELF32 | |
668 | select DMA_NONCOHERENT | |
669 | select HW_HAS_PCI | |
670 | select PCI_GT64XXX_PCI0 | |
671 | select SWAP_IO_SPACE | |
672 | select SYS_HAS_CPU_MIPS32_R1 | |
673 | select SYS_HAS_CPU_MIPS32_R2 | |
674 | select SYS_HAS_CPU_MIPS64_R1 | |
675 | select SYS_HAS_CPU_NEVADA | |
676 | select SYS_HAS_CPU_RM7000 | |
677 | select SYS_SUPPORTS_32BIT_KERNEL | |
678 | select SYS_SUPPORTS_64BIT_KERNEL | |
679 | select SYS_SUPPORTS_BIG_ENDIAN | |
680 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
681 | help | |
682 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
683 | board, which is based on GT64120 bridge chip. | |
684 | ||
5e83d430 | 685 | endchoice |
1da177e4 | 686 | |
c3543e25 | 687 | source "arch/mips/au1000/Kconfig" |
9c746edb | 688 | source "arch/mips/basler/excite/Kconfig" |
5e83d430 | 689 | source "arch/mips/jazz/Kconfig" |
1f21d2bd | 690 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 691 | source "arch/mips/pmc-sierra/Kconfig" |
29c48699 | 692 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 693 | source "arch/mips/sibyte/Kconfig" |
5e83d430 | 694 | source "arch/mips/tx4927/Kconfig" |
23fbee9d | 695 | source "arch/mips/tx4938/Kconfig" |
5e83d430 | 696 | source "arch/mips/vr41xx/Kconfig" |
38b18f72 | 697 | |
5e83d430 RB |
698 | endmenu |
699 | ||
95c354fe NP |
700 | config GENERIC_LOCKBREAK |
701 | bool | |
702 | default y | |
703 | depends on SMP && PREEMPT | |
704 | ||
1da177e4 LT |
705 | config RWSEM_GENERIC_SPINLOCK |
706 | bool | |
707 | default y | |
708 | ||
709 | config RWSEM_XCHGADD_ALGORITHM | |
710 | bool | |
711 | ||
f0d1b0b3 DH |
712 | config ARCH_HAS_ILOG2_U32 |
713 | bool | |
714 | default n | |
715 | ||
716 | config ARCH_HAS_ILOG2_U64 | |
717 | bool | |
718 | default n | |
719 | ||
00a58253 RB |
720 | config ARCH_SUPPORTS_OPROFILE |
721 | bool | |
722 | default y if !MIPS_MT_SMTC | |
723 | ||
3c9ee7ef AM |
724 | config GENERIC_FIND_NEXT_BIT |
725 | bool | |
726 | default y | |
727 | ||
728 | config GENERIC_HWEIGHT | |
729 | bool | |
730 | default y | |
731 | ||
1da177e4 LT |
732 | config GENERIC_CALIBRATE_DELAY |
733 | bool | |
734 | default y | |
735 | ||
7bcf7717 RB |
736 | config GENERIC_CLOCKEVENTS |
737 | bool | |
738 | default y | |
739 | ||
8db02010 RB |
740 | config GENERIC_TIME |
741 | bool | |
742 | default y | |
743 | ||
f5ff0a28 RB |
744 | config GENERIC_CMOS_UPDATE |
745 | bool | |
746 | default y | |
747 | ||
1cc89038 AN |
748 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
749 | bool | |
750 | default y | |
751 | ||
e77c232c FBH |
752 | config GENERIC_HARDIRQS_NO__DO_IRQ |
753 | bool | |
754 | default n | |
755 | ||
1da177e4 LT |
756 | # |
757 | # Select some configuration options automatically based on user selections. | |
758 | # | |
759 | config ARC | |
760 | bool | |
1da177e4 | 761 | |
61ed242d RB |
762 | config ARCH_MAY_HAVE_PC_FDC |
763 | bool | |
764 | ||
9267a30d MSJ |
765 | config BOOT_RAW |
766 | bool | |
767 | ||
217dd11e RB |
768 | config CEVT_BCM1480 |
769 | bool | |
770 | ||
1097c6ac YY |
771 | config CEVT_GT641XX |
772 | bool | |
773 | ||
42f77542 RB |
774 | config CEVT_R4K |
775 | bool | |
776 | ||
217dd11e RB |
777 | config CEVT_SB1250 |
778 | bool | |
779 | ||
229f773e AN |
780 | config CEVT_TXX9 |
781 | bool | |
782 | ||
217dd11e RB |
783 | config CSRC_BCM1480 |
784 | bool | |
785 | ||
940f6b48 RB |
786 | config CSRC_R4K |
787 | bool | |
788 | ||
217dd11e RB |
789 | config CSRC_SB1250 |
790 | bool | |
791 | ||
df78b5c8 AJ |
792 | config CFE |
793 | bool | |
794 | ||
4ce588cd | 795 | config DMA_COHERENT |
1da177e4 LT |
796 | bool |
797 | ||
4ce588cd | 798 | config DMA_IP27 |
1da177e4 LT |
799 | bool |
800 | ||
4ce588cd RB |
801 | config DMA_NONCOHERENT |
802 | bool | |
803 | select DMA_NEED_PCI_MAP_STATE | |
804 | ||
805 | config DMA_NEED_PCI_MAP_STATE | |
1da177e4 LT |
806 | bool |
807 | ||
808 | config EARLY_PRINTK | |
36a88530 RB |
809 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
810 | depends on SYS_HAS_EARLY_PRINTK | |
811 | default y | |
812 | help | |
813 | This option enables special console drivers which allow the kernel | |
814 | to print messages very early in the bootup process. | |
815 | ||
816 | This is useful for kernel debugging when your machine crashes very | |
490dcc4d RD |
817 | early before the console code is initialized. For normal operation, |
818 | it is not recommended because it looks ugly on some machines and | |
819 | doesn't cooperate with an X server. You should normally say N here, | |
36a88530 RB |
820 | unless you want to debug such a crash. |
821 | ||
822 | config SYS_HAS_EARLY_PRINTK | |
1da177e4 | 823 | bool |
1da177e4 | 824 | |
dbb74540 RB |
825 | config HOTPLUG_CPU |
826 | bool | |
827 | default n | |
828 | ||
1da177e4 LT |
829 | config I8259 |
830 | bool | |
1da177e4 | 831 | |
1da177e4 LT |
832 | config MIPS_BONITO64 |
833 | bool | |
1da177e4 LT |
834 | |
835 | config MIPS_MSC | |
836 | bool | |
1da177e4 | 837 | |
1f21d2bd BM |
838 | config MIPS_NILE4 |
839 | bool | |
840 | ||
1da177e4 LT |
841 | config MIPS_DISABLE_OBSOLETE_IDE |
842 | bool | |
843 | ||
39b8d525 RB |
844 | config SYNC_R4K |
845 | bool | |
846 | ||
d388d685 MR |
847 | config NO_IOPORT |
848 | def_bool n | |
849 | ||
8313da30 RB |
850 | config GENERIC_ISA_DMA |
851 | bool | |
852 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
853 | ||
aa414dff RB |
854 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
855 | bool | |
8313da30 | 856 | select GENERIC_ISA_DMA |
aa414dff | 857 | |
09663335 YY |
858 | config GENERIC_GPIO |
859 | bool | |
860 | ||
5e83d430 | 861 | # |
3cb2fccc | 862 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
863 | # answer,so we try hard to limit the available choices. Also the use of a |
864 | # choice statement should be more obvious to the user. | |
865 | # | |
866 | choice | |
867 | prompt "Endianess selection" | |
1da177e4 LT |
868 | help |
869 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 870 | byte order. These modes require different kernels and a different |
3cb2fccc | 871 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 872 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 873 | one or the other endianness. |
5e83d430 RB |
874 | |
875 | config CPU_BIG_ENDIAN | |
876 | bool "Big endian" | |
877 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
878 | ||
879 | config CPU_LITTLE_ENDIAN | |
880 | bool "Little endian" | |
881 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
882 | help | |
883 | ||
884 | endchoice | |
885 | ||
2116245e RB |
886 | config SYS_SUPPORTS_APM_EMULATION |
887 | bool | |
888 | ||
5e83d430 RB |
889 | config SYS_SUPPORTS_BIG_ENDIAN |
890 | bool | |
891 | ||
892 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
893 | bool | |
1da177e4 LT |
894 | |
895 | config IRQ_CPU | |
896 | bool | |
897 | ||
898 | config IRQ_CPU_RM7K | |
899 | bool | |
900 | ||
5e83d430 RB |
901 | config IRQ_CPU_RM9K |
902 | bool | |
903 | ||
9267a30d MSJ |
904 | config IRQ_MSP_SLP |
905 | bool | |
906 | ||
907 | config IRQ_MSP_CIC | |
908 | bool | |
909 | ||
8420fd00 AN |
910 | config IRQ_TXX9 |
911 | bool | |
912 | ||
d5ab1a69 YY |
913 | config IRQ_GT641XX |
914 | bool | |
915 | ||
39b8d525 RB |
916 | config IRQ_GIC |
917 | bool | |
918 | ||
1da177e4 LT |
919 | config MIPS_BOARDS_GEN |
920 | bool | |
1da177e4 | 921 | |
252161ec | 922 | config PCI_GT64XXX_PCI0 |
1da177e4 | 923 | bool |
1da177e4 | 924 | |
9267a30d MSJ |
925 | config NO_EXCEPT_FILL |
926 | bool | |
927 | ||
1da177e4 LT |
928 | config MIPS_TX3927 |
929 | bool | |
1da177e4 | 930 | select HAS_TXX9_SERIAL |
1da177e4 | 931 | |
663c3d90 | 932 | config MIPS_RM9122 |
933 | bool | |
934 | select SERIAL_RM9000 | |
663c3d90 | 935 | |
bdf21b18 PP |
936 | config PNX8550 |
937 | bool | |
938 | select SOC_PNX8550 | |
939 | ||
940 | config SOC_PNX8550 | |
941 | bool | |
bdf21b18 PP |
942 | select DMA_NONCOHERENT |
943 | select HW_HAS_PCI | |
b8c2a77c | 944 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 945 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 946 | select SYS_SUPPORTS_32BIT_KERNEL |
e77c232c | 947 | select GENERIC_HARDIRQS_NO__DO_IRQ |
cc801077 | 948 | select SYS_SUPPORTS_KGDB |
4ead1681 | 949 | select GENERIC_GPIO |
bdf21b18 | 950 | |
1da177e4 LT |
951 | config SWAP_IO_SPACE |
952 | bool | |
953 | ||
355c471f | 954 | config EMMA2RH |
955 | bool | |
956 | depends on MARKEINS | |
957 | default y | |
958 | ||
663c3d90 | 959 | config SERIAL_RM9000 |
960 | bool | |
961 | ||
e2defae5 TB |
962 | config SGI_HAS_DS1286 |
963 | bool | |
964 | ||
965 | config SGI_HAS_INDYDOG | |
966 | bool | |
967 | ||
968 | config SGI_HAS_SEEQ | |
969 | bool | |
970 | ||
971 | config SGI_HAS_WD93 | |
972 | bool | |
973 | ||
974 | config SGI_HAS_ZILOG | |
975 | bool | |
976 | ||
977 | config SGI_HAS_I8042 | |
978 | bool | |
979 | ||
980 | config DEFAULT_SGI_PARTITION | |
981 | bool | |
982 | ||
5e83d430 RB |
983 | config ARC32 |
984 | bool | |
985 | ||
231a35d3 TB |
986 | config SNIPROM |
987 | bool | |
988 | ||
1da177e4 LT |
989 | config BOOT_ELF32 |
990 | bool | |
1da177e4 LT |
991 | |
992 | config MIPS_L1_CACHE_SHIFT | |
993 | int | |
06cf5583 | 994 | default "4" if MACH_DECSTATION |
e2defae5 | 995 | default "7" if SGI_IP27 || SGI_IP28 || SNI_RM |
9267a30d | 996 | default "4" if PMC_MSP4200_EVAL |
1da177e4 LT |
997 | default "5" |
998 | ||
1da177e4 LT |
999 | config HAVE_STD_PC_SERIAL_PORT |
1000 | bool | |
1001 | ||
1da177e4 LT |
1002 | config ARC_CONSOLE |
1003 | bool "ARC console support" | |
e2defae5 | 1004 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1005 | |
1006 | config ARC_MEMORY | |
1007 | bool | |
14b36af4 | 1008 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1009 | default y |
1010 | ||
1011 | config ARC_PROMLIB | |
1012 | bool | |
e2defae5 | 1013 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1014 | default y |
1015 | ||
1016 | config ARC64 | |
1017 | bool | |
1da177e4 LT |
1018 | |
1019 | config BOOT_ELF64 | |
1020 | bool | |
1da177e4 | 1021 | |
1da177e4 LT |
1022 | menu "CPU selection" |
1023 | ||
1024 | choice | |
1025 | prompt "CPU type" | |
1026 | default CPU_R4X00 | |
1027 | ||
2a21c730 FZ |
1028 | config CPU_LOONGSON2 |
1029 | bool "Loongson 2" | |
1030 | depends on SYS_HAS_CPU_LOONGSON2 | |
1031 | select CPU_SUPPORTS_32BIT_KERNEL | |
1032 | select CPU_SUPPORTS_64BIT_KERNEL | |
1033 | select CPU_SUPPORTS_HIGHMEM | |
1034 | help | |
1035 | The Loongson 2E processor implements the MIPS III instruction set | |
1036 | with many extensions. | |
1037 | ||
6e760c8d RB |
1038 | config CPU_MIPS32_R1 |
1039 | bool "MIPS32 Release 1" | |
7cf8053b | 1040 | depends on SYS_HAS_CPU_MIPS32_R1 |
f7062ddb | 1041 | select CPU_HAS_LLSC |
6e760c8d | 1042 | select CPU_HAS_PREFETCH |
797798c1 | 1043 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1044 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1045 | help |
5e83d430 | 1046 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1047 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1048 | MIPS processor are based on a MIPS32 processor. If you know the | |
1049 | specific type of processor in your system, choose those that one | |
1050 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1051 | Release 2 of the MIPS32 architecture is available since several | |
1052 | years so chances are you even have a MIPS32 Release 2 processor | |
1053 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1054 | performance. | |
1055 | ||
1056 | config CPU_MIPS32_R2 | |
1057 | bool "MIPS32 Release 2" | |
7cf8053b | 1058 | depends on SYS_HAS_CPU_MIPS32_R2 |
f7062ddb | 1059 | select CPU_HAS_LLSC |
1e5f1caa | 1060 | select CPU_HAS_PREFETCH |
797798c1 | 1061 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1062 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1063 | help |
5e83d430 | 1064 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1065 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1066 | MIPS processor are based on a MIPS32 processor. If you know the | |
1067 | specific type of processor in your system, choose those that one | |
1068 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1069 | ||
1070 | config CPU_MIPS64_R1 | |
1071 | bool "MIPS64 Release 1" | |
7cf8053b | 1072 | depends on SYS_HAS_CPU_MIPS64_R1 |
f7062ddb | 1073 | select CPU_HAS_LLSC |
797798c1 | 1074 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1075 | select CPU_SUPPORTS_32BIT_KERNEL |
1076 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1077 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d RB |
1078 | help |
1079 | Choose this option to build a kernel for release 1 or later of the | |
1080 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1081 | MIPS processor are based on a MIPS64 processor. If you know the | |
1082 | specific type of processor in your system, choose those that one | |
1083 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1084 | Release 2 of the MIPS64 architecture is available since several |
1085 | years so chances are you even have a MIPS64 Release 2 processor | |
1086 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1087 | performance. | |
1088 | ||
1089 | config CPU_MIPS64_R2 | |
1090 | bool "MIPS64 Release 2" | |
7cf8053b | 1091 | depends on SYS_HAS_CPU_MIPS64_R2 |
f7062ddb | 1092 | select CPU_HAS_LLSC |
797798c1 | 1093 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1094 | select CPU_SUPPORTS_32BIT_KERNEL |
1095 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1096 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa RB |
1097 | help |
1098 | Choose this option to build a kernel for release 2 or later of the | |
1099 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1100 | MIPS processor are based on a MIPS64 processor. If you know the | |
1101 | specific type of processor in your system, choose those that one | |
1102 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1103 | |
1104 | config CPU_R3000 | |
1105 | bool "R3000" | |
7cf8053b | 1106 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1107 | select CPU_HAS_WB |
ed5ba2fb | 1108 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1109 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1110 | help |
1111 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1112 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1113 | *not* work on R4000 machines and vice versa. However, since most | |
1114 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1115 | might be a safe bet. If the resulting kernel does not work, | |
1116 | try to recompile with R3000. | |
1117 | ||
1118 | config CPU_TX39XX | |
1119 | bool "R39XX" | |
7cf8053b | 1120 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1121 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1122 | |
1123 | config CPU_VR41XX | |
1124 | bool "R41xx" | |
7cf8053b | 1125 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1126 | select CPU_SUPPORTS_32BIT_KERNEL |
1127 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1128 | help |
5e83d430 | 1129 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1130 | Only choose this option if you have one of these processors as a |
1131 | kernel built with this option will not run on any other type of | |
1132 | processor or vice versa. | |
1133 | ||
1134 | config CPU_R4300 | |
1135 | bool "R4300" | |
7cf8053b | 1136 | depends on SYS_HAS_CPU_R4300 |
f7062ddb | 1137 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1138 | select CPU_SUPPORTS_32BIT_KERNEL |
1139 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1140 | help |
1141 | MIPS Technologies R4300-series processors. | |
1142 | ||
1143 | config CPU_R4X00 | |
1144 | bool "R4x00" | |
7cf8053b | 1145 | depends on SYS_HAS_CPU_R4X00 |
f7062ddb | 1146 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1147 | select CPU_SUPPORTS_32BIT_KERNEL |
1148 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1149 | help |
1150 | MIPS Technologies R4000-series processors other than 4300, including | |
1151 | the R4000, R4400, R4600, and 4700. | |
1152 | ||
1153 | config CPU_TX49XX | |
1154 | bool "R49XX" | |
7cf8053b | 1155 | depends on SYS_HAS_CPU_TX49XX |
f7062ddb | 1156 | select CPU_HAS_LLSC |
de862b48 | 1157 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1158 | select CPU_SUPPORTS_32BIT_KERNEL |
1159 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1160 | |
1161 | config CPU_R5000 | |
1162 | bool "R5000" | |
7cf8053b | 1163 | depends on SYS_HAS_CPU_R5000 |
f7062ddb | 1164 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1165 | select CPU_SUPPORTS_32BIT_KERNEL |
1166 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1167 | help |
1168 | MIPS Technologies R5000-series processors other than the Nevada. | |
1169 | ||
1170 | config CPU_R5432 | |
1171 | bool "R5432" | |
7cf8053b | 1172 | depends on SYS_HAS_CPU_R5432 |
f7062ddb | 1173 | select CPU_HAS_LLSC |
5e83d430 RB |
1174 | select CPU_SUPPORTS_32BIT_KERNEL |
1175 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1176 | |
1177 | config CPU_R6000 | |
1178 | bool "R6000" | |
ed5ba2fb | 1179 | depends on EXPERIMENTAL |
f7062ddb | 1180 | select CPU_HAS_LLSC |
7cf8053b | 1181 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1182 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1183 | help |
1184 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1185 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1186 | |
1187 | config CPU_NEVADA | |
1188 | bool "RM52xx" | |
7cf8053b | 1189 | depends on SYS_HAS_CPU_NEVADA |
f7062ddb | 1190 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1191 | select CPU_SUPPORTS_32BIT_KERNEL |
1192 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1193 | help |
1194 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1195 | ||
1196 | config CPU_R8000 | |
1197 | bool "R8000" | |
ed5ba2fb | 1198 | depends on EXPERIMENTAL |
7cf8053b | 1199 | depends on SYS_HAS_CPU_R8000 |
f7062ddb | 1200 | select CPU_HAS_LLSC |
5e83d430 | 1201 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1202 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1203 | help |
1204 | MIPS Technologies R8000 processors. Note these processors are | |
1205 | uncommon and the support for them is incomplete. | |
1206 | ||
1207 | config CPU_R10000 | |
1208 | bool "R10000" | |
7cf8053b | 1209 | depends on SYS_HAS_CPU_R10000 |
f7062ddb | 1210 | select CPU_HAS_LLSC |
5e83d430 | 1211 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1212 | select CPU_SUPPORTS_32BIT_KERNEL |
1213 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1214 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1215 | help |
1216 | MIPS Technologies R10000-series processors. | |
1217 | ||
1218 | config CPU_RM7000 | |
1219 | bool "RM7000" | |
7cf8053b | 1220 | depends on SYS_HAS_CPU_RM7000 |
f7062ddb | 1221 | select CPU_HAS_LLSC |
5e83d430 | 1222 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1223 | select CPU_SUPPORTS_32BIT_KERNEL |
1224 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1225 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1226 | |
1227 | config CPU_RM9000 | |
1228 | bool "RM9000" | |
7cf8053b | 1229 | depends on SYS_HAS_CPU_RM9000 |
f7062ddb | 1230 | select CPU_HAS_LLSC |
5e83d430 | 1231 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1232 | select CPU_SUPPORTS_32BIT_KERNEL |
1233 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1234 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1235 | select WEAK_ORDERING |
1da177e4 LT |
1236 | |
1237 | config CPU_SB1 | |
1238 | bool "SB1" | |
7cf8053b | 1239 | depends on SYS_HAS_CPU_SB1 |
f7062ddb | 1240 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1241 | select CPU_SUPPORTS_32BIT_KERNEL |
1242 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1243 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1244 | select WEAK_ORDERING |
1da177e4 LT |
1245 | |
1246 | endchoice | |
1247 | ||
2a21c730 FZ |
1248 | config SYS_HAS_CPU_LOONGSON2 |
1249 | bool | |
1250 | ||
7cf8053b RB |
1251 | config SYS_HAS_CPU_MIPS32_R1 |
1252 | bool | |
1253 | ||
1254 | config SYS_HAS_CPU_MIPS32_R2 | |
1255 | bool | |
1256 | ||
1257 | config SYS_HAS_CPU_MIPS64_R1 | |
1258 | bool | |
1259 | ||
1260 | config SYS_HAS_CPU_MIPS64_R2 | |
1261 | bool | |
1262 | ||
1263 | config SYS_HAS_CPU_R3000 | |
1264 | bool | |
1265 | ||
1266 | config SYS_HAS_CPU_TX39XX | |
1267 | bool | |
1268 | ||
1269 | config SYS_HAS_CPU_VR41XX | |
1270 | bool | |
1271 | ||
1272 | config SYS_HAS_CPU_R4300 | |
1273 | bool | |
1274 | ||
1275 | config SYS_HAS_CPU_R4X00 | |
1276 | bool | |
1277 | ||
1278 | config SYS_HAS_CPU_TX49XX | |
1279 | bool | |
1280 | ||
1281 | config SYS_HAS_CPU_R5000 | |
1282 | bool | |
1283 | ||
1284 | config SYS_HAS_CPU_R5432 | |
1285 | bool | |
1286 | ||
1287 | config SYS_HAS_CPU_R6000 | |
1288 | bool | |
1289 | ||
1290 | config SYS_HAS_CPU_NEVADA | |
1291 | bool | |
1292 | ||
1293 | config SYS_HAS_CPU_R8000 | |
1294 | bool | |
1295 | ||
1296 | config SYS_HAS_CPU_R10000 | |
1297 | bool | |
1298 | ||
1299 | config SYS_HAS_CPU_RM7000 | |
1300 | bool | |
1301 | ||
1302 | config SYS_HAS_CPU_RM9000 | |
1303 | bool | |
1304 | ||
1305 | config SYS_HAS_CPU_SB1 | |
1306 | bool | |
1307 | ||
17099b11 RB |
1308 | # |
1309 | # CPU may reorder R->R, R->W, W->R, W->W | |
1310 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1311 | # | |
0004a9df RB |
1312 | config WEAK_ORDERING |
1313 | bool | |
17099b11 RB |
1314 | |
1315 | # | |
1316 | # CPU may reorder reads and writes beyond LL/SC | |
1317 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1318 | # | |
1319 | config WEAK_REORDERING_BEYOND_LLSC | |
1320 | bool | |
5e83d430 RB |
1321 | endmenu |
1322 | ||
1323 | # | |
c09b47d8 | 1324 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1325 | # |
1326 | config CPU_MIPS32 | |
1327 | bool | |
1328 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1329 | ||
1330 | config CPU_MIPS64 | |
1331 | bool | |
1332 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1333 | ||
1334 | # | |
c09b47d8 | 1335 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1336 | # |
1337 | config CPU_MIPSR1 | |
1338 | bool | |
1339 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1340 | ||
1341 | config CPU_MIPSR2 | |
1342 | bool | |
1343 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 | |
1344 | ||
1345 | config SYS_SUPPORTS_32BIT_KERNEL | |
1346 | bool | |
1347 | config SYS_SUPPORTS_64BIT_KERNEL | |
1348 | bool | |
1349 | config CPU_SUPPORTS_32BIT_KERNEL | |
1350 | bool | |
1351 | config CPU_SUPPORTS_64BIT_KERNEL | |
1352 | bool | |
1353 | ||
1354 | menu "Kernel type" | |
1355 | ||
1356 | choice | |
1357 | ||
1358 | prompt "Kernel code model" | |
1359 | help | |
1360 | You should only select this option if you have a workload that | |
1361 | actually benefits from 64-bit processing or if your machine has | |
1362 | large memory. You will only be presented a single option in this | |
1363 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1364 | ||
1365 | config 32BIT | |
1366 | bool "32-bit kernel" | |
1367 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1368 | select TRAD_SIGNALS | |
1369 | help | |
1370 | Select this option if you want to build a 32-bit kernel. | |
1371 | config 64BIT | |
1372 | bool "64-bit kernel" | |
1373 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1374 | help | |
1375 | Select this option if you want to build a 64-bit kernel. | |
1376 | ||
1377 | endchoice | |
1378 | ||
1da177e4 LT |
1379 | choice |
1380 | prompt "Kernel page size" | |
1381 | default PAGE_SIZE_4KB | |
1382 | ||
1383 | config PAGE_SIZE_4KB | |
1384 | bool "4kB" | |
1385 | help | |
1386 | This option select the standard 4kB Linux page size. On some | |
1387 | R3000-family processors this is the only available page size. Using | |
1388 | 4kB page size will minimize memory consumption and is therefore | |
1389 | recommended for low memory systems. | |
1390 | ||
1391 | config PAGE_SIZE_8KB | |
1392 | bool "8kB" | |
1393 | depends on EXPERIMENTAL && CPU_R8000 | |
1394 | help | |
1395 | Using 8kB page size will result in higher performance kernel at | |
1396 | the price of higher memory consumption. This option is available | |
1397 | only on the R8000 processor. Not that at the time of this writing | |
1398 | this option is still high experimental; there are also issues with | |
1399 | compatibility of user applications. | |
1400 | ||
1401 | config PAGE_SIZE_16KB | |
1402 | bool "16kB" | |
714bfad6 | 1403 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1404 | help |
1405 | Using 16kB page size will result in higher performance kernel at | |
1406 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1407 | all non-R3000 family processors. Note that you will need a suitable |
1408 | Linux distribution to support this. | |
1da177e4 LT |
1409 | |
1410 | config PAGE_SIZE_64KB | |
1411 | bool "64kB" | |
1412 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1413 | help | |
1414 | Using 64kB page size will result in higher performance kernel at | |
1415 | the price of higher memory consumption. This option is available on | |
1416 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1417 | writing this option is still high experimental. |
1da177e4 LT |
1418 | |
1419 | endchoice | |
1420 | ||
1421 | config BOARD_SCACHE | |
1422 | bool | |
1423 | ||
1424 | config IP22_CPU_SCACHE | |
1425 | bool | |
1426 | select BOARD_SCACHE | |
1427 | ||
9318c51a CD |
1428 | # |
1429 | # Support for a MIPS32 / MIPS64 style S-caches | |
1430 | # | |
1431 | config MIPS_CPU_SCACHE | |
1432 | bool | |
1433 | select BOARD_SCACHE | |
1434 | ||
1da177e4 LT |
1435 | config R5000_CPU_SCACHE |
1436 | bool | |
1437 | select BOARD_SCACHE | |
1438 | ||
1439 | config RM7000_CPU_SCACHE | |
1440 | bool | |
1441 | select BOARD_SCACHE | |
1442 | ||
1443 | config SIBYTE_DMA_PAGEOPS | |
1444 | bool "Use DMA to clear/copy pages" | |
1445 | depends on CPU_SB1 | |
1446 | help | |
1447 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1448 | channel. These DMA channels are otherwise unused by the standard | |
1449 | SiByte Linux port. Seems to give a small performance benefit. | |
1450 | ||
1451 | config CPU_HAS_PREFETCH | |
c8094b53 | 1452 | bool |
1da177e4 | 1453 | |
340ee4b9 RB |
1454 | choice |
1455 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1456 | |
1457 | config MIPS_MT_DISABLED | |
1458 | bool "Disable multithreading support." | |
1459 | help | |
1460 | Use this option if your workload can't take advantage of | |
1461 | MIPS hardware multithreading support. On systems that don't have | |
1462 | the option of an MT-enabled processor this option will be the only | |
1463 | option in this menu. | |
340ee4b9 | 1464 | |
59d6ab86 RB |
1465 | config MIPS_MT_SMP |
1466 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1467 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1468 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1469 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1470 | select MIPS_MT |
f510aa3b | 1471 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1472 | select SMP |
0ab7aefc | 1473 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1474 | select SYS_SUPPORTS_SMP |
87353d8a | 1475 | select SMP_UP |
f41ae0b2 | 1476 | help |
59d6ab86 RB |
1477 | This is a kernel model which is also known a VSMP or lately |
1478 | has been marketesed into SMVP. | |
41c594ab | 1479 | |
59d6ab86 RB |
1480 | config MIPS_MT_SMTC |
1481 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1482 | depends on CPU_MIPS32_R2 | |
1483 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 | 1484 | depends on SYS_SUPPORTS_MULTITHREADING |
ea580401 | 1485 | select GENERIC_CLOCKEVENTS_BROADCAST |
f41ae0b2 | 1486 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1487 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1488 | select MIPS_MT |
130e2fb7 | 1489 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1490 | select SMP |
73b76c78 | 1491 | select SYS_SUPPORTS_SMP |
87353d8a | 1492 | select SMP_UP |
f41ae0b2 | 1493 | help |
59d6ab86 RB |
1494 | This is a kernel model which is known a SMTC or lately has been |
1495 | marketesed into SMVP. | |
340ee4b9 | 1496 | |
340ee4b9 RB |
1497 | endchoice |
1498 | ||
f41ae0b2 RB |
1499 | config MIPS_MT |
1500 | bool | |
1501 | ||
0ab7aefc RB |
1502 | config SCHED_SMT |
1503 | bool "SMT (multithreading) scheduler support" | |
1504 | depends on SYS_SUPPORTS_SCHED_SMT | |
1505 | default n | |
1506 | help | |
1507 | SMT scheduler support improves the CPU scheduler's decision making | |
1508 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1509 | increased overhead in some places. If unsure say N here. | |
1510 | ||
1511 | config SYS_SUPPORTS_SCHED_SMT | |
1512 | bool | |
1513 | ||
1514 | ||
f41ae0b2 RB |
1515 | config SYS_SUPPORTS_MULTITHREADING |
1516 | bool | |
1517 | ||
f088fc84 RB |
1518 | config MIPS_MT_FPAFF |
1519 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1520 | default y |
07cc0c9e RB |
1521 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1522 | ||
1523 | config MIPS_VPE_LOADER | |
1524 | bool "VPE loader support." | |
1525 | depends on SYS_SUPPORTS_MULTITHREADING | |
1526 | select CPU_MIPSR2_IRQ_VI | |
1527 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1528 | select MIPS_MT |
1529 | help | |
1530 | Includes a loader for loading an elf relocatable object | |
1531 | onto another VPE and running it. | |
f088fc84 | 1532 | |
ac8be955 RB |
1533 | config MIPS_MT_SMTC_INSTANT_REPLAY |
1534 | bool "Low-latency Dispatch of Deferred SMTC IPIs" | |
619af723 | 1535 | depends on MIPS_MT_SMTC && !PREEMPT |
ac8be955 RB |
1536 | default y |
1537 | help | |
1538 | SMTC pseudo-interrupts between TCs are deferred and queued | |
1539 | if the target TC is interrupt-inhibited (IXMT). In the first | |
1540 | SMTC prototypes, these queued IPIs were serviced on return | |
1541 | to user mode, or on entry into the kernel idle loop. The | |
1542 | INSTANT_REPLAY option dispatches them as part of local_irq_restore() | |
1543 | processing, which adds runtime overhead (hence the option to turn | |
1544 | it off), but ensures that IPIs are handled promptly even under | |
1545 | heavy I/O interrupt load. | |
1546 | ||
0db34215 KK |
1547 | config MIPS_MT_SMTC_IM_BACKSTOP |
1548 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1549 | depends on MIPS_MT_SMTC | |
1550 | default y | |
1551 | help | |
1552 | To support multiple TC microthreads acting as "CPUs" within | |
1553 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1554 | during interrupt handling. To support legacy drivers and interrupt | |
1555 | controller management code, SMTC has a "backstop" to track and | |
1556 | if necessary restore the interrupt mask. This has some performance | |
1557 | impact on interrupt service overhead. Disable it only if you know | |
1558 | what you are doing. | |
1559 | ||
f571eff0 KK |
1560 | config MIPS_MT_SMTC_IRQAFF |
1561 | bool "Support IRQ affinity API" | |
1562 | depends on MIPS_MT_SMTC | |
1563 | default n | |
1564 | help | |
1565 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1566 | for SMTC Linux kernel. Requires platform support, of which | |
1567 | an example can be found in the MIPS kernel i8259 and Malta | |
1568 | platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY | |
1569 | be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to | |
1570 | interrupt dispatch, and should be used only if you know what | |
1571 | you are doing. | |
1572 | ||
e01402b1 RB |
1573 | config MIPS_VPE_LOADER_TOM |
1574 | bool "Load VPE program into memory hidden from linux" | |
1575 | depends on MIPS_VPE_LOADER | |
1576 | default y | |
1577 | help | |
1578 | The loader can use memory that is present but has been hidden from | |
1579 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1580 | you to ensure the amount you put in the option and the space your | |
1581 | program requires is less or equal to the amount physically present. | |
1582 | ||
1583 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1584 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1585 | bool "Enable support for AP/SP API (RTLX)" |
1586 | depends on MIPS_VPE_LOADER | |
1587 | help | |
e01402b1 | 1588 | |
2600990e RB |
1589 | config MIPS_APSP_KSPD |
1590 | bool "Enable KSPD" | |
1591 | depends on MIPS_VPE_APSP_API | |
1592 | default y | |
1593 | help | |
1594 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1595 | side, actions them and returns the results. It also handles the | |
1596 | "exit" syscall notifying other kernel modules the SP program is | |
1597 | exiting. You probably want to say yes here. | |
1598 | ||
1da177e4 LT |
1599 | config SB1_PASS_1_WORKAROUNDS |
1600 | bool | |
1601 | depends on CPU_SB1_PASS_1 | |
1602 | default y | |
1603 | ||
1604 | config SB1_PASS_2_WORKAROUNDS | |
1605 | bool | |
1606 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1607 | default y | |
1608 | ||
1609 | config SB1_PASS_2_1_WORKAROUNDS | |
1610 | bool | |
1611 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1612 | default y | |
1613 | ||
1614 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1615 | bool |
1da177e4 | 1616 | |
1da177e4 | 1617 | config CPU_HAS_LLSC |
f7062ddb | 1618 | bool |
1da177e4 | 1619 | |
9693a853 FBH |
1620 | config CPU_HAS_SMARTMIPS |
1621 | depends on SYS_SUPPORTS_SMARTMIPS | |
1622 | bool "Support for the SmartMIPS ASE" | |
1623 | help | |
1624 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1625 | increased security at both hardware and software level for | |
1626 | smartcards. Enabling this option will allow proper use of the | |
1627 | SmartMIPS instructions by Linux applications. However a kernel with | |
1628 | this option will not work on a MIPS core without SmartMIPS core. If | |
1629 | you don't know you probably don't have SmartMIPS and should say N | |
1630 | here. | |
1631 | ||
1da177e4 | 1632 | config CPU_HAS_WB |
f7062ddb | 1633 | bool |
e01402b1 | 1634 | |
f41ae0b2 RB |
1635 | # |
1636 | # Vectored interrupt mode is an R2 feature | |
1637 | # | |
e01402b1 | 1638 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1639 | bool |
e01402b1 | 1640 | |
f41ae0b2 RB |
1641 | # |
1642 | # Extended interrupt mode is an R2 feature | |
1643 | # | |
e01402b1 | 1644 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1645 | bool |
e01402b1 | 1646 | |
1da177e4 LT |
1647 | config CPU_HAS_SYNC |
1648 | bool | |
1649 | depends on !CPU_R3000 | |
1650 | default y | |
1651 | ||
ea580401 RB |
1652 | config GENERIC_CLOCKEVENTS_BROADCAST |
1653 | bool | |
1654 | ||
20d60d99 MR |
1655 | # |
1656 | # CPU non-features | |
1657 | # | |
1658 | config CPU_DADDI_WORKAROUNDS | |
1659 | bool | |
1660 | ||
1661 | config CPU_R4000_WORKAROUNDS | |
1662 | bool | |
1663 | select CPU_R4400_WORKAROUNDS | |
1664 | ||
1665 | config CPU_R4400_WORKAROUNDS | |
1666 | bool | |
1667 | ||
797798c1 RB |
1668 | # |
1669 | # Use the generic interrupt handling code in kernel/irq/: | |
1670 | # | |
1671 | config GENERIC_HARDIRQS | |
1672 | bool | |
1673 | default y | |
1674 | ||
1675 | config GENERIC_IRQ_PROBE | |
1676 | bool | |
1677 | default y | |
1678 | ||
0d7012a9 | 1679 | config IRQ_PER_CPU |
0d7012a9 | 1680 | bool |
0d7012a9 | 1681 | |
1da177e4 LT |
1682 | # |
1683 | # - Highmem only makes sense for the 32-bit kernel. | |
1684 | # - The current highmem code will only work properly on physically indexed | |
1685 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1686 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1687 | # moment we protect the user and offer the highmem option only on machines | |
1688 | # where it's known to be safe. This will not offer highmem on a few systems | |
1689 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1690 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1691 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1692 | # know they might have memory configurations that could make use of highmem | |
1693 | # support. | |
1da177e4 LT |
1694 | # |
1695 | config HIGHMEM | |
1696 | bool "High Memory Support" | |
797798c1 RB |
1697 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1698 | ||
1699 | config CPU_SUPPORTS_HIGHMEM | |
1700 | bool | |
1701 | ||
1702 | config SYS_SUPPORTS_HIGHMEM | |
1703 | bool | |
1da177e4 | 1704 | |
9693a853 FBH |
1705 | config SYS_SUPPORTS_SMARTMIPS |
1706 | bool | |
1707 | ||
b4819b59 YY |
1708 | config ARCH_FLATMEM_ENABLE |
1709 | def_bool y | |
1710 | depends on !NUMA | |
1711 | ||
d8cb4e11 RB |
1712 | config ARCH_DISCONTIGMEM_ENABLE |
1713 | bool | |
1714 | default y if SGI_IP27 | |
1715 | help | |
3dde6ad8 | 1716 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1717 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1718 | or have huge holes in the physical address space for other reasons. | |
1719 | See <file:Documentation/vm/numa> for more. | |
1720 | ||
cce335ae RB |
1721 | config ARCH_POPULATES_NODE_MAP |
1722 | def_bool y | |
1723 | ||
31473747 AN |
1724 | config ARCH_SPARSEMEM_ENABLE |
1725 | bool | |
7de58fab | 1726 | select SPARSEMEM_STATIC |
31473747 | 1727 | |
d8cb4e11 RB |
1728 | config NUMA |
1729 | bool "NUMA Support" | |
1730 | depends on SYS_SUPPORTS_NUMA | |
1731 | help | |
1732 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1733 | Access). This option improves performance on systems with more | |
1734 | than two nodes; on two node systems it is generally better to | |
1735 | leave it disabled; on single node systems disable this option | |
1736 | disabled. | |
1737 | ||
1738 | config SYS_SUPPORTS_NUMA | |
1739 | bool | |
1740 | ||
c80d79d7 YG |
1741 | config NODES_SHIFT |
1742 | int | |
1743 | default "6" | |
1744 | depends on NEED_MULTIPLE_NODES | |
1745 | ||
b4819b59 YY |
1746 | source "mm/Kconfig" |
1747 | ||
1da177e4 LT |
1748 | config SMP |
1749 | bool "Multi-Processing support" | |
e73ea273 | 1750 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 1751 | select IRQ_PER_CPU |
e73ea273 | 1752 | help |
1da177e4 LT |
1753 | This enables support for systems with more than one CPU. If you have |
1754 | a system with only one CPU, like most personal computers, say N. If | |
1755 | you have a system with more than one CPU, say Y. | |
1756 | ||
1757 | If you say N here, the kernel will run on single and multiprocessor | |
1758 | machines, but will use only one CPU of a multiprocessor machine. If | |
1759 | you say Y here, the kernel will run on many, but not all, | |
1760 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1761 | will run faster if you say N here. | |
1762 | ||
1763 | People using multiprocessor machines who say Y here should also say | |
1764 | Y to "Enhanced Real Time Clock Support", below. | |
1765 | ||
03502faa AB |
1766 | See also the SMP-HOWTO available at |
1767 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
1768 | |
1769 | If you don't know what to do here, say N. | |
1770 | ||
87353d8a RB |
1771 | config SMP_UP |
1772 | bool | |
1773 | ||
e73ea273 RB |
1774 | config SYS_SUPPORTS_SMP |
1775 | bool | |
1776 | ||
72ede9b1 AN |
1777 | config NR_CPUS_DEFAULT_1 |
1778 | bool | |
1779 | ||
130e2fb7 RB |
1780 | config NR_CPUS_DEFAULT_2 |
1781 | bool | |
1782 | ||
1783 | config NR_CPUS_DEFAULT_4 | |
1784 | bool | |
1785 | ||
1786 | config NR_CPUS_DEFAULT_8 | |
1787 | bool | |
1788 | ||
1789 | config NR_CPUS_DEFAULT_16 | |
1790 | bool | |
1791 | ||
1792 | config NR_CPUS_DEFAULT_32 | |
1793 | bool | |
1794 | ||
1795 | config NR_CPUS_DEFAULT_64 | |
1796 | bool | |
1797 | ||
1da177e4 LT |
1798 | config NR_CPUS |
1799 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 1800 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 1801 | depends on SMP |
72ede9b1 | 1802 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
1803 | default "2" if NR_CPUS_DEFAULT_2 |
1804 | default "4" if NR_CPUS_DEFAULT_4 | |
1805 | default "8" if NR_CPUS_DEFAULT_8 | |
1806 | default "16" if NR_CPUS_DEFAULT_16 | |
1807 | default "32" if NR_CPUS_DEFAULT_32 | |
1808 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
1809 | help |
1810 | This allows you to specify the maximum number of CPUs which this | |
1811 | kernel will support. The maximum supported value is 32 for 32-bit | |
1812 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
1813 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1814 | and 2 for all others. | |
1da177e4 LT |
1815 | |
1816 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
1817 | approximately eight kilobytes to the kernel image. For best |
1818 | performance should round up your number of processors to the next | |
1819 | power of two. | |
1da177e4 | 1820 | |
39b8d525 RB |
1821 | config MIPS_CMP |
1822 | bool "MIPS CMP framework support" | |
1823 | depends on SMP | |
1824 | select SYNC_R4K | |
1825 | select SYS_SUPPORTS_SCHED_SMT | |
1826 | select WEAK_ORDERING | |
1827 | default n | |
1828 | help | |
1829 | This is a placeholder option for the GCMP work. It will need to | |
1830 | be handled differently... | |
1831 | ||
c4eee283 AN |
1832 | source "kernel/time/Kconfig" |
1833 | ||
1723b4a3 AN |
1834 | # |
1835 | # Timer Interrupt Frequency Configuration | |
1836 | # | |
1837 | ||
1838 | choice | |
1839 | prompt "Timer frequency" | |
1840 | default HZ_250 | |
1841 | help | |
1842 | Allows the configuration of the timer frequency. | |
1843 | ||
1844 | config HZ_48 | |
0f873585 | 1845 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
1846 | |
1847 | config HZ_100 | |
1848 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1849 | ||
1850 | config HZ_128 | |
1851 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1852 | ||
1853 | config HZ_250 | |
1854 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1855 | ||
1856 | config HZ_256 | |
1857 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1858 | ||
1859 | config HZ_1000 | |
1860 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1861 | ||
1862 | config HZ_1024 | |
1863 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1864 | ||
1865 | endchoice | |
1866 | ||
1867 | config SYS_SUPPORTS_48HZ | |
1868 | bool | |
1869 | ||
1870 | config SYS_SUPPORTS_100HZ | |
1871 | bool | |
1872 | ||
1873 | config SYS_SUPPORTS_128HZ | |
1874 | bool | |
1875 | ||
1876 | config SYS_SUPPORTS_250HZ | |
1877 | bool | |
1878 | ||
1879 | config SYS_SUPPORTS_256HZ | |
1880 | bool | |
1881 | ||
1882 | config SYS_SUPPORTS_1000HZ | |
1883 | bool | |
1884 | ||
1885 | config SYS_SUPPORTS_1024HZ | |
1886 | bool | |
1887 | ||
1888 | config SYS_SUPPORTS_ARBIT_HZ | |
1889 | bool | |
1890 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1891 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1892 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1893 | !SYS_SUPPORTS_1024HZ | |
1894 | ||
1895 | config HZ | |
1896 | int | |
1897 | default 48 if HZ_48 | |
1898 | default 100 if HZ_100 | |
1899 | default 128 if HZ_128 | |
1900 | default 250 if HZ_250 | |
1901 | default 256 if HZ_256 | |
1902 | default 1000 if HZ_1000 | |
1903 | default 1024 if HZ_1024 | |
1904 | ||
e80de850 | 1905 | source "kernel/Kconfig.preempt" |
1da177e4 | 1906 | |
1da177e4 LT |
1907 | config MIPS_INSANE_LARGE |
1908 | bool "Support for large 64-bit configurations" | |
875d43e7 | 1909 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
1910 | help |
1911 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1912 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1913 | need processes of more than 1TB virtual address space, say Y here. | |
1914 | This will result in additional memory usage, so it is not | |
1915 | recommended for normal users. | |
1916 | ||
ea6e942b AN |
1917 | config KEXEC |
1918 | bool "Kexec system call (EXPERIMENTAL)" | |
1919 | depends on EXPERIMENTAL | |
1920 | help | |
1921 | kexec is a system call that implements the ability to shutdown your | |
1922 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 1923 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
1924 | you can start any kernel with it, not just Linux. |
1925 | ||
01dd2fbf | 1926 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
1927 | |
1928 | It is an ongoing process to be certain the hardware in a machine | |
1929 | is properly shutdown, so do not be surprised if this code does not | |
1930 | initially work for you. It may help to enable device hotplugging | |
1931 | support. As of this writing the exact hardware interface is | |
1932 | strongly in flux, so no good recommendation can be made. | |
1933 | ||
1934 | config SECCOMP | |
1935 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 1936 | depends on PROC_FS |
ea6e942b AN |
1937 | default y |
1938 | help | |
1939 | This kernel feature is useful for number crunching applications | |
1940 | that may need to compute untrusted bytecode during their | |
1941 | execution. By using pipes or other transports made available to | |
1942 | the process as file descriptors supporting the read/write | |
1943 | syscalls, it's possible to isolate those applications in | |
1944 | their own address space using seccomp. Once seccomp is | |
1945 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1946 | and the task is only allowed to execute a few safe syscalls | |
1947 | defined by each seccomp mode. | |
1948 | ||
1949 | If unsure, say Y. Only embedded should say N here. | |
1950 | ||
5e83d430 RB |
1951 | endmenu |
1952 | ||
1da177e4 LT |
1953 | config RWSEM_GENERIC_SPINLOCK |
1954 | bool | |
1955 | default y | |
1956 | ||
1df0f0ff AN |
1957 | config LOCKDEP_SUPPORT |
1958 | bool | |
1959 | default y | |
1960 | ||
1961 | config STACKTRACE_SUPPORT | |
1962 | bool | |
1963 | default y | |
1964 | ||
b6c3539b RB |
1965 | source "init/Kconfig" |
1966 | ||
1da177e4 LT |
1967 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
1968 | ||
5e83d430 RB |
1969 | config HW_HAS_EISA |
1970 | bool | |
1da177e4 LT |
1971 | config HW_HAS_PCI |
1972 | bool | |
1973 | ||
1974 | config PCI | |
1975 | bool "Support for PCI controller" | |
1976 | depends on HW_HAS_PCI | |
abb4ae46 | 1977 | select PCI_DOMAINS |
1da177e4 LT |
1978 | help |
1979 | Find out whether you have a PCI motherboard. PCI is the name of a | |
1980 | bus system, i.e. the way the CPU talks to the other stuff inside | |
1981 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
1982 | say Y, otherwise N. | |
1983 | ||
1da177e4 LT |
1984 | config PCI_DOMAINS |
1985 | bool | |
1da177e4 LT |
1986 | |
1987 | source "drivers/pci/Kconfig" | |
1988 | ||
1989 | # | |
1990 | # ISA support is now enabled via select. Too many systems still have the one | |
1991 | # or other ISA chip on the board that users don't know about so don't expect | |
1992 | # users to choose the right thing ... | |
1993 | # | |
1994 | config ISA | |
1995 | bool | |
1996 | ||
1997 | config EISA | |
1998 | bool "EISA support" | |
5e83d430 | 1999 | depends on HW_HAS_EISA |
1da177e4 | 2000 | select ISA |
aa414dff | 2001 | select GENERIC_ISA_DMA |
1da177e4 LT |
2002 | ---help--- |
2003 | The Extended Industry Standard Architecture (EISA) bus was | |
2004 | developed as an open alternative to the IBM MicroChannel bus. | |
2005 | ||
2006 | The EISA bus provided some of the features of the IBM MicroChannel | |
2007 | bus while maintaining backward compatibility with cards made for | |
2008 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2009 | 1995 when it was made obsolete by the PCI bus. | |
2010 | ||
2011 | Say Y here if you are building a kernel for an EISA-based machine. | |
2012 | ||
2013 | Otherwise, say N. | |
2014 | ||
2015 | source "drivers/eisa/Kconfig" | |
2016 | ||
2017 | config TC | |
2018 | bool "TURBOchannel support" | |
2019 | depends on MACH_DECSTATION | |
2020 | help | |
2021 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2022 | processors. Documentation on writing device drivers for TurboChannel | |
2023 | is available at: | |
2024 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
2025 | ||
2026 | #config ACCESSBUS | |
2027 | # bool "Access.Bus support" | |
2028 | # depends on TC | |
2029 | ||
2030 | config MMU | |
2031 | bool | |
2032 | default y | |
2033 | ||
d865bea4 RB |
2034 | config I8253 |
2035 | bool | |
2036 | ||
cce335ae RB |
2037 | config ZONE_DMA32 |
2038 | bool | |
2039 | ||
1da177e4 LT |
2040 | source "drivers/pcmcia/Kconfig" |
2041 | ||
2042 | source "drivers/pci/hotplug/Kconfig" | |
2043 | ||
2044 | endmenu | |
2045 | ||
2046 | menu "Executable file formats" | |
2047 | ||
2048 | source "fs/Kconfig.binfmt" | |
2049 | ||
2050 | config TRAD_SIGNALS | |
2051 | bool | |
1da177e4 | 2052 | |
1da177e4 LT |
2053 | config BINFMT_IRIX |
2054 | bool "Include IRIX binary compatibility" | |
5e83d430 | 2055 | depends on CPU_BIG_ENDIAN && 32BIT && BROKEN |
1da177e4 LT |
2056 | |
2057 | config MIPS32_COMPAT | |
2058 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2059 | depends on 64BIT |
1da177e4 LT |
2060 | help |
2061 | Select this option if you want Linux/MIPS 32-bit binary | |
2062 | compatibility. Since all software available for Linux/MIPS is | |
2063 | currently 32-bit you should say Y here. | |
2064 | ||
2065 | config COMPAT | |
2066 | bool | |
2067 | depends on MIPS32_COMPAT | |
2068 | default y | |
2069 | ||
05e43966 AN |
2070 | config SYSVIPC_COMPAT |
2071 | bool | |
2072 | depends on COMPAT && SYSVIPC | |
2073 | default y | |
2074 | ||
1da177e4 LT |
2075 | config MIPS32_O32 |
2076 | bool "Kernel support for o32 binaries" | |
2077 | depends on MIPS32_COMPAT | |
2078 | help | |
2079 | Select this option if you want to run o32 binaries. These are pure | |
2080 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2081 | existing binaries are in this format. | |
2082 | ||
2083 | If unsure, say Y. | |
2084 | ||
2085 | config MIPS32_N32 | |
2086 | bool "Kernel support for n32 binaries" | |
2087 | depends on MIPS32_COMPAT | |
2088 | help | |
2089 | Select this option if you want to run n32 binaries. These are | |
2090 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2091 | data that would normally be 64-bit. They are used in special | |
2092 | cases. | |
2093 | ||
2094 | If unsure, say N. | |
2095 | ||
2096 | config BINFMT_ELF32 | |
2097 | bool | |
2098 | default y if MIPS32_O32 || MIPS32_N32 | |
2099 | ||
2116245e RB |
2100 | endmenu |
2101 | ||
2102 | menu "Power management options" | |
2103 | ||
f4cb5700 JB |
2104 | config ARCH_SUSPEND_POSSIBLE |
2105 | def_bool y | |
2106 | depends on !SMP | |
2107 | ||
2116245e | 2108 | source "kernel/power/Kconfig" |
952fa954 | 2109 | |
1da177e4 LT |
2110 | endmenu |
2111 | ||
d5950b43 SR |
2112 | source "net/Kconfig" |
2113 | ||
1da177e4 LT |
2114 | source "drivers/Kconfig" |
2115 | ||
2116 | source "fs/Kconfig" | |
2117 | ||
2118 | source "arch/mips/Kconfig.debug" | |
2119 | ||
2120 | source "security/Kconfig" | |
2121 | ||
2122 | source "crypto/Kconfig" | |
2123 | ||
2124 | source "lib/Kconfig" |