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Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
ec7748b5 | 4 | select HAVE_IDE |
42d4b839 | 5 | select HAVE_OPROFILE |
88547001 | 6 | select HAVE_ARCH_KGDB |
1da177e4 LT |
7 | # Horrible source of confusion. Die, die, die ... |
8 | select EMBEDDED | |
90b02340 | 9 | select RTC_LIB |
1da177e4 | 10 | |
875d43e7 RB |
11 | mainmenu "Linux/MIPS Kernel Configuration" |
12 | ||
1da177e4 LT |
13 | menu "Machine selection" |
14 | ||
5ac6da66 CL |
15 | config ZONE_DMA |
16 | bool | |
5ac6da66 | 17 | |
5e83d430 RB |
18 | choice |
19 | prompt "System type" | |
20 | default SGI_IP22 | |
1da177e4 | 21 | |
c3543e25 YY |
22 | config MACH_ALCHEMY |
23 | bool "Alchemy processor based machines" | |
1da177e4 | 24 | |
35189fad | 25 | config BASLER_EXCITE |
be91589e | 26 | bool "Basler eXcite smart camera" |
42f77542 | 27 | select CEVT_R4K |
940f6b48 | 28 | select CSRC_R4K |
35189fad RB |
29 | select DMA_COHERENT |
30 | select HW_HAS_PCI | |
31 | select IRQ_CPU | |
32 | select IRQ_CPU_RM7K | |
33 | select IRQ_CPU_RM9K | |
663c3d90 | 34 | select MIPS_RM9122 |
35189fad RB |
35 | select SYS_HAS_CPU_RM9000 |
36 | select SYS_SUPPORTS_32BIT_KERNEL | |
35189fad RB |
37 | select SYS_SUPPORTS_BIG_ENDIAN |
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 | 54 | select SSB_DRIVER_EXTIF |
b06f3e19 | 55 | select SSB_EMBEDDED |
2f02c15a | 56 | select SSB_PCICORE_HOSTMODE if PCI |
1c0c13eb | 57 | select GENERIC_GPIO |
25e5fb97 AJ |
58 | select SYS_HAS_EARLY_PRINTK |
59 | select CFE | |
1c0c13eb AJ |
60 | help |
61 | Support for BCM47XX based boards | |
62 | ||
1da177e4 | 63 | config MIPS_COBALT |
3fa986fa | 64 | bool "Cobalt Server" |
42f77542 | 65 | select CEVT_R4K |
940f6b48 | 66 | select CSRC_R4K |
1097c6ac | 67 | select CEVT_GT641XX |
1da177e4 LT |
68 | select DMA_NONCOHERENT |
69 | select HW_HAS_PCI | |
d865bea4 | 70 | select I8253 |
1da177e4 LT |
71 | select I8259 |
72 | select IRQ_CPU | |
d5ab1a69 | 73 | select IRQ_GT641XX |
252161ec | 74 | select PCI_GT64XXX_PCI0 |
7cf8053b | 75 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 76 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 77 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 78 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 79 | select SYS_SUPPORTS_LITTLE_ENDIAN |
9fd32cfb | 80 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
81 | |
82 | config MACH_DECSTATION | |
3fa986fa | 83 | bool "DECstations" |
1da177e4 | 84 | select BOOT_ELF32 |
6457d9fc | 85 | select CEVT_DS1287 |
42f77542 | 86 | select CEVT_R4K |
4247417d | 87 | select CSRC_IOASIC |
940f6b48 | 88 | select CSRC_R4K |
20d60d99 MR |
89 | select CPU_DADDI_WORKAROUNDS if 64BIT |
90 | select CPU_R4000_WORKAROUNDS if 64BIT | |
91 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 92 | select DMA_NONCOHERENT |
d388d685 | 93 | select NO_IOPORT |
1da177e4 | 94 | select IRQ_CPU |
7cf8053b RB |
95 | select SYS_HAS_CPU_R3000 |
96 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb YY |
97 | select SYS_SUPPORTS_32BIT_KERNEL |
98 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
5e83d430 | 99 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
100 | select SYS_SUPPORTS_128HZ |
101 | select SYS_SUPPORTS_256HZ | |
102 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 103 | help |
1da177e4 LT |
104 | This enables support for DEC's MIPS based workstations. For details |
105 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
106 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
107 | ||
108 | If you have one of the following DECstation Models you definitely | |
109 | want to choose R4xx0 for the CPU Type: | |
110 | ||
9308816c RB |
111 | DECstation 5000/50 |
112 | DECstation 5000/150 | |
113 | DECstation 5000/260 | |
114 | DECsystem 5900/260 | |
1da177e4 LT |
115 | |
116 | otherwise choose R3000. | |
117 | ||
5e83d430 | 118 | config MACH_JAZZ |
3fa986fa | 119 | bool "Jazz family of machines" |
5e83d430 RB |
120 | select ARC |
121 | select ARC32 | |
122 | select ARCH_MAY_HAVE_PC_FDC | |
42f77542 | 123 | select CEVT_R4K |
940f6b48 | 124 | select CSRC_R4K |
e2defae5 | 125 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 126 | select GENERIC_ISA_DMA |
ea202c63 | 127 | select IRQ_CPU |
d865bea4 | 128 | select I8253 |
5e83d430 RB |
129 | select I8259 |
130 | select ISA | |
7cf8053b | 131 | select SYS_HAS_CPU_R4X00 |
5e83d430 RB |
132 | select SYS_SUPPORTS_32BIT_KERNEL |
133 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
1723b4a3 | 134 | select SYS_SUPPORTS_100HZ |
9fd32cfb | 135 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 | 136 | help |
5e83d430 RB |
137 | This a family of machines based on the MIPS R4030 chipset which was |
138 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 139 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
140 | Olivetti M700-10 workstations. |
141 | ||
1f21d2bd BM |
142 | config LASAT |
143 | bool "LASAT Networks platforms" | |
42f77542 | 144 | select CEVT_R4K |
940f6b48 | 145 | select CSRC_R4K |
1f21d2bd BM |
146 | select DMA_NONCOHERENT |
147 | select SYS_HAS_EARLY_PRINTK | |
148 | select HW_HAS_PCI | |
a5ccfe5c | 149 | select IRQ_CPU |
1f21d2bd BM |
150 | select PCI_GT64XXX_PCI0 |
151 | select MIPS_NILE4 | |
152 | select R5000_CPU_SCACHE | |
153 | select SYS_HAS_CPU_R5000 | |
154 | select SYS_SUPPORTS_32BIT_KERNEL | |
155 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
156 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
157 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
158 | ||
ade299d8 YY |
159 | config LEMOTE_FULONG |
160 | bool "Lemote Fulong mini-PC" | |
161 | select ARCH_SPARSEMEM_ENABLE | |
42f77542 | 162 | select CEVT_R4K |
940f6b48 | 163 | select CSRC_R4K |
ade299d8 YY |
164 | select SYS_HAS_CPU_LOONGSON2 |
165 | select DMA_NONCOHERENT | |
166 | select BOOT_ELF32 | |
167 | select BOARD_SCACHE | |
168 | select HAVE_STD_PC_SERIAL_PORT | |
169 | select HW_HAS_PCI | |
170 | select I8259 | |
171 | select ISA | |
172 | select IRQ_CPU | |
173 | select SYS_SUPPORTS_32BIT_KERNEL | |
174 | select SYS_SUPPORTS_64BIT_KERNEL | |
175 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
176 | select SYS_SUPPORTS_HIGHMEM | |
177 | select SYS_HAS_EARLY_PRINTK | |
178 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
23dd6d35 | 179 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
ade299d8 YY |
180 | select CPU_HAS_WB |
181 | help | |
182 | Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and | |
183 | an FPGA northbridge | |
184 | ||
1da177e4 | 185 | config MIPS_MALTA |
3fa986fa | 186 | bool "MIPS Malta board" |
61ed242d | 187 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 188 | select BOOT_ELF32 |
fa71c960 | 189 | select BOOT_RAW |
42f77542 | 190 | select CEVT_R4K |
940f6b48 | 191 | select CSRC_R4K |
1da177e4 LT |
192 | select DMA_NONCOHERENT |
193 | select GENERIC_ISA_DMA | |
aa414dff | 194 | select IRQ_CPU |
39b8d525 | 195 | select IRQ_GIC |
1da177e4 | 196 | select HW_HAS_PCI |
d865bea4 | 197 | select I8253 |
1da177e4 | 198 | select I8259 |
5e83d430 RB |
199 | select MIPS_BOARDS_GEN |
200 | select MIPS_BONITO64 | |
9318c51a | 201 | select MIPS_CPU_SCACHE |
252161ec | 202 | select PCI_GT64XXX_PCI0 |
5e83d430 | 203 | select MIPS_MSC |
1da177e4 | 204 | select SWAP_IO_SPACE |
7cf8053b RB |
205 | select SYS_HAS_CPU_MIPS32_R1 |
206 | select SYS_HAS_CPU_MIPS32_R2 | |
207 | select SYS_HAS_CPU_MIPS64_R1 | |
208 | select SYS_HAS_CPU_NEVADA | |
209 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 210 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
211 | select SYS_SUPPORTS_32BIT_KERNEL |
212 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
213 | select SYS_SUPPORTS_BIG_ENDIAN |
214 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
4a16ff4c | 215 | select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken |
f41ae0b2 | 216 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 217 | select SYS_SUPPORTS_SMARTMIPS |
1da177e4 | 218 | help |
f638d197 | 219 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
220 | board. |
221 | ||
5e83d430 | 222 | config MIPS_SIM |
3fa986fa | 223 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 224 | select CEVT_R4K |
940f6b48 | 225 | select CSRC_R4K |
1da177e4 | 226 | select DMA_NONCOHERENT |
36a88530 | 227 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 228 | select IRQ_CPU |
9267a30d | 229 | select BOOT_RAW |
7cf8053b RB |
230 | select SYS_HAS_CPU_MIPS32_R1 |
231 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 232 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 233 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 234 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 235 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 236 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 237 | help |
5e83d430 RB |
238 | This option enables support for MIPS Technologies MIPSsim software |
239 | emulator. | |
1da177e4 | 240 | |
a83860c2 RB |
241 | config NEC_MARKEINS |
242 | bool "NEC EMMA2RH Mark-eins board" | |
243 | select SOC_EMMA2RH | |
244 | select HW_HAS_PCI | |
245 | help | |
246 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 247 | |
5e83d430 | 248 | config MACH_VR41XX |
74142d65 | 249 | bool "NEC VR4100 series based machines" |
42f77542 | 250 | select CEVT_R4K |
940f6b48 | 251 | select CSRC_R4K |
7cf8053b | 252 | select SYS_HAS_CPU_VR41XX |
9fd32cfb | 253 | select GENERIC_HARDIRQS_NO__DO_IRQ |
5e83d430 | 254 | |
edb6310a DL |
255 | config NXP_STB220 |
256 | bool "NXP STB220 board" | |
257 | select SOC_PNX833X | |
258 | help | |
259 | Support for NXP Semiconductors STB220 Development Board. | |
260 | ||
261 | config NXP_STB225 | |
262 | bool "NXP 225 board" | |
263 | select SOC_PNX833X | |
264 | select SOC_PNX8335 | |
265 | help | |
266 | Support for NXP Semiconductors STB225 Development Board. | |
267 | ||
ade299d8 | 268 | config PNX8550_JBS |
a92b0588 | 269 | bool "NXP PNX8550 based JBS board" |
ade299d8 YY |
270 | select PNX8550 |
271 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
272 | ||
273 | config PNX8550_STB810 | |
a92b0588 | 274 | bool "NXP PNX8550 based STB810 board" |
ade299d8 YY |
275 | select PNX8550 |
276 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
277 | ||
9267a30d MSJ |
278 | config PMC_MSP |
279 | bool "PMC-Sierra MSP chipsets" | |
280 | depends on EXPERIMENTAL | |
281 | select DMA_NONCOHERENT | |
282 | select SWAP_IO_SPACE | |
283 | select NO_EXCEPT_FILL | |
284 | select BOOT_RAW | |
285 | select SYS_HAS_CPU_MIPS32_R1 | |
286 | select SYS_HAS_CPU_MIPS32_R2 | |
287 | select SYS_SUPPORTS_32BIT_KERNEL | |
288 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
289 | select IRQ_CPU |
290 | select SERIAL_8250 | |
291 | select SERIAL_8250_CONSOLE | |
292 | help | |
293 | This adds support for the PMC-Sierra family of Multi-Service | |
294 | Processor System-On-A-Chips. These parts include a number | |
295 | of integrated peripherals, interfaces and DSPs in addition to | |
296 | a variety of MIPS cores. | |
297 | ||
5e83d430 | 298 | config PMC_YOSEMITE |
3fa986fa | 299 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 300 | select CEVT_R4K |
940f6b48 | 301 | select CSRC_R4K |
5e83d430 RB |
302 | select DMA_COHERENT |
303 | select HW_HAS_PCI | |
304 | select IRQ_CPU | |
305 | select IRQ_CPU_RM7K | |
306 | select IRQ_CPU_RM9K | |
307 | select SWAP_IO_SPACE | |
7cf8053b | 308 | select SYS_HAS_CPU_RM9000 |
36a88530 | 309 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
310 | select SYS_SUPPORTS_32BIT_KERNEL |
311 | select SYS_SUPPORTS_64BIT_KERNEL | |
312 | select SYS_SUPPORTS_BIG_ENDIAN | |
313 | select SYS_SUPPORTS_HIGHMEM | |
e73ea273 | 314 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
315 | help |
316 | Yosemite is an evaluation board for the RM9000x2 processor | |
317 | manufactured by PMC-Sierra. | |
1da177e4 | 318 | |
1da177e4 | 319 | config SGI_IP22 |
3fa986fa | 320 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
321 | select ARC |
322 | select ARC32 | |
323 | select BOOT_ELF32 | |
42f77542 | 324 | select CEVT_R4K |
940f6b48 | 325 | select CSRC_R4K |
e2defae5 | 326 | select DEFAULT_SGI_PARTITION |
1da177e4 | 327 | select DMA_NONCOHERENT |
5e83d430 | 328 | select HW_HAS_EISA |
d865bea4 | 329 | select I8253 |
68de4803 | 330 | select I8259 |
1da177e4 LT |
331 | select IP22_CPU_SCACHE |
332 | select IRQ_CPU | |
aa414dff | 333 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
334 | select SGI_HAS_I8042 |
335 | select SGI_HAS_INDYDOG | |
36e5c21d | 336 | select SGI_HAS_HAL2 |
e2defae5 TB |
337 | select SGI_HAS_SEEQ |
338 | select SGI_HAS_WD93 | |
339 | select SGI_HAS_ZILOG | |
1da177e4 | 340 | select SWAP_IO_SPACE |
7cf8053b RB |
341 | select SYS_HAS_CPU_R4X00 |
342 | select SYS_HAS_CPU_R5000 | |
36a88530 | 343 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
344 | select SYS_SUPPORTS_32BIT_KERNEL |
345 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 346 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
347 | help |
348 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
349 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
350 | that runs on these, say Y here. | |
351 | ||
352 | config SGI_IP27 | |
3fa986fa | 353 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
354 | select ARC |
355 | select ARC64 | |
5e83d430 | 356 | select BOOT_ELF64 |
e2defae5 | 357 | select DEFAULT_SGI_PARTITION |
634286f1 | 358 | select DMA_COHERENT |
36a88530 | 359 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 360 | select HW_HAS_PCI |
130e2fb7 | 361 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 362 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 363 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 364 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 365 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 366 | select SYS_SUPPORTS_SMP |
e77c232c | 367 | select GENERIC_HARDIRQS_NO__DO_IRQ |
1da177e4 LT |
368 | help |
369 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
370 | workstations. To compile a Linux kernel that runs on these, say Y | |
371 | here. | |
372 | ||
e2defae5 TB |
373 | config SGI_IP28 |
374 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
375 | depends on EXPERIMENTAL | |
376 | select ARC | |
377 | select ARC64 | |
378 | select BOOT_ELF64 | |
379 | select CEVT_R4K | |
380 | select CSRC_R4K | |
381 | select DEFAULT_SGI_PARTITION | |
382 | select DMA_NONCOHERENT | |
383 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
384 | select IRQ_CPU | |
385 | select HW_HAS_EISA | |
386 | select I8253 | |
387 | select I8259 | |
e2defae5 TB |
388 | select SGI_HAS_I8042 |
389 | select SGI_HAS_INDYDOG | |
5b438c44 | 390 | select SGI_HAS_HAL2 |
e2defae5 TB |
391 | select SGI_HAS_SEEQ |
392 | select SGI_HAS_WD93 | |
393 | select SGI_HAS_ZILOG | |
394 | select SWAP_IO_SPACE | |
395 | select SYS_HAS_CPU_R10000 | |
396 | select SYS_HAS_EARLY_PRINTK | |
397 | select SYS_SUPPORTS_64BIT_KERNEL | |
398 | select SYS_SUPPORTS_BIG_ENDIAN | |
399 | help | |
400 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
401 | kernel that runs on these, say Y here. | |
402 | ||
1da177e4 | 403 | config SGI_IP32 |
cfd2afc0 | 404 | bool "SGI IP32 (O2)" |
1da177e4 LT |
405 | select ARC |
406 | select ARC32 | |
407 | select BOOT_ELF32 | |
42f77542 | 408 | select CEVT_R4K |
940f6b48 | 409 | select CSRC_R4K |
1da177e4 LT |
410 | select DMA_NONCOHERENT |
411 | select HW_HAS_PCI | |
dd67b155 | 412 | select IRQ_CPU |
1da177e4 LT |
413 | select R5000_CPU_SCACHE |
414 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
415 | select SYS_HAS_CPU_R5000 |
416 | select SYS_HAS_CPU_R10000 if BROKEN | |
417 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 418 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 419 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 420 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 421 | help |
5e83d430 | 422 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 423 | |
ade299d8 YY |
424 | config SIBYTE_CRHINE |
425 | bool "Sibyte BCM91120C-CRhine" | |
426 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
427 | select BOOT_ELF32 |
428 | select DMA_COHERENT | |
ade299d8 | 429 | select SIBYTE_BCM1120 |
9a6dcea1 | 430 | select SWAP_IO_SPACE |
7cf8053b | 431 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
432 | select SYS_SUPPORTS_BIG_ENDIAN |
433 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
434 | ||
ade299d8 YY |
435 | config SIBYTE_CARMEL |
436 | bool "Sibyte BCM91120x-Carmel" | |
437 | depends on EXPERIMENTAL | |
5e83d430 | 438 | select BOOT_ELF32 |
1da177e4 | 439 | select DMA_COHERENT |
ade299d8 | 440 | select SIBYTE_BCM1120 |
5e83d430 | 441 | select SWAP_IO_SPACE |
7cf8053b | 442 | select SYS_HAS_CPU_SB1 |
81731f79 | 443 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 444 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 445 | |
ade299d8 YY |
446 | config SIBYTE_CRHONE |
447 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
448 | depends on EXPERIMENTAL |
449 | select BOOT_ELF32 | |
450 | select DMA_COHERENT | |
ade299d8 | 451 | select SIBYTE_BCM1125 |
5e83d430 | 452 | select SWAP_IO_SPACE |
7cf8053b | 453 | select SYS_HAS_CPU_SB1 |
5e83d430 | 454 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 455 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 456 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 457 | |
5e83d430 | 458 | config SIBYTE_RHONE |
3fa986fa | 459 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
460 | depends on EXPERIMENTAL |
461 | select BOOT_ELF32 | |
462 | select DMA_COHERENT | |
463 | select SIBYTE_BCM1125H | |
464 | select SWAP_IO_SPACE | |
7cf8053b | 465 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
466 | select SYS_SUPPORTS_BIG_ENDIAN |
467 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 468 | |
ade299d8 YY |
469 | config SIBYTE_SWARM |
470 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 471 | select BOOT_ELF32 |
26a940e2 | 472 | select DMA_COHERENT |
ade299d8 YY |
473 | select NR_CPUS_DEFAULT_2 |
474 | select SIBYTE_SB1250 | |
5e83d430 | 475 | select SWAP_IO_SPACE |
7cf8053b | 476 | select SYS_HAS_CPU_SB1 |
5e83d430 | 477 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 478 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 479 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 480 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 481 | |
ade299d8 YY |
482 | config SIBYTE_LITTLESUR |
483 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
484 | depends on EXPERIMENTAL |
485 | select BOOT_ELF32 | |
486 | select DMA_COHERENT | |
130e2fb7 | 487 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
488 | select SIBYTE_SB1250 |
489 | select SWAP_IO_SPACE | |
7cf8053b | 490 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
491 | select SYS_SUPPORTS_BIG_ENDIAN |
492 | select SYS_SUPPORTS_HIGHMEM | |
493 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 494 | |
ade299d8 YY |
495 | config SIBYTE_SENTOSA |
496 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
497 | depends on EXPERIMENTAL |
498 | select BOOT_ELF32 | |
499 | select DMA_COHERENT | |
130e2fb7 | 500 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
501 | select SIBYTE_SB1250 |
502 | select SWAP_IO_SPACE | |
7cf8053b | 503 | select SYS_HAS_CPU_SB1 |
5e83d430 | 504 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 505 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 506 | |
ade299d8 YY |
507 | config SIBYTE_BIGSUR |
508 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
509 | select BOOT_ELF32 |
510 | select DMA_COHERENT | |
ade299d8 | 511 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 512 | select SIBYTE_BCM1x80 |
5e83d430 | 513 | select SWAP_IO_SPACE |
7cf8053b | 514 | select SYS_HAS_CPU_SB1 |
5e83d430 | 515 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 516 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 517 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 518 | select ZONE_DMA32 if 64BIT |
1da177e4 | 519 | |
14b36af4 TB |
520 | config SNI_RM |
521 | bool "SNI RM200/300/400" | |
4a0312fc TB |
522 | select ARC if CPU_LITTLE_ENDIAN |
523 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 524 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 525 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 526 | select BOOT_ELF32 |
42f77542 | 527 | select CEVT_R4K |
940f6b48 | 528 | select CSRC_R4K |
e2defae5 | 529 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
530 | select DMA_NONCOHERENT |
531 | select GENERIC_ISA_DMA | |
5e83d430 | 532 | select HW_HAS_EISA |
1da177e4 | 533 | select HW_HAS_PCI |
c066a32a | 534 | select IRQ_CPU |
d865bea4 | 535 | select I8253 |
1da177e4 LT |
536 | select I8259 |
537 | select ISA | |
4a0312fc | 538 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 539 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 540 | select SYS_HAS_CPU_R5000 |
c066a32a | 541 | select SYS_HAS_CPU_R10000 |
4a0312fc | 542 | select R5000_CPU_SCACHE |
36a88530 | 543 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
544 | select SYS_SUPPORTS_32BIT_KERNEL |
545 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 546 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 547 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 548 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 549 | help |
14b36af4 TB |
550 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
551 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
552 | Technology and now in turn merged with Fujitsu. Say Y here to |
553 | support this machine type. | |
554 | ||
edcaf1a6 AN |
555 | config MACH_TX39XX |
556 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 557 | |
edcaf1a6 AN |
558 | config MACH_TX49XX |
559 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 560 | |
73b4390f RB |
561 | config MIKROTIK_RB532 |
562 | bool "Mikrotik RB532 boards" | |
563 | select CEVT_R4K | |
564 | select CSRC_R4K | |
565 | select DMA_NONCOHERENT | |
566 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
567 | select HW_HAS_PCI | |
568 | select IRQ_CPU | |
569 | select SYS_HAS_CPU_MIPS32_R1 | |
570 | select SYS_SUPPORTS_32BIT_KERNEL | |
571 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
572 | select SWAP_IO_SPACE | |
573 | select BOOT_RAW | |
d888e25b | 574 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
575 | help |
576 | Support the Mikrotik(tm) RouterBoard 532 series, | |
577 | based on the IDT RC32434 SoC. | |
578 | ||
ade299d8 YY |
579 | config WR_PPMC |
580 | bool "Wind River PPMC board" | |
42f77542 | 581 | select CEVT_R4K |
940f6b48 | 582 | select CSRC_R4K |
ade299d8 YY |
583 | select IRQ_CPU |
584 | select BOOT_ELF32 | |
585 | select DMA_NONCOHERENT | |
586 | select HW_HAS_PCI | |
587 | select PCI_GT64XXX_PCI0 | |
588 | select SWAP_IO_SPACE | |
589 | select SYS_HAS_CPU_MIPS32_R1 | |
590 | select SYS_HAS_CPU_MIPS32_R2 | |
591 | select SYS_HAS_CPU_MIPS64_R1 | |
592 | select SYS_HAS_CPU_NEVADA | |
593 | select SYS_HAS_CPU_RM7000 | |
594 | select SYS_SUPPORTS_32BIT_KERNEL | |
595 | select SYS_SUPPORTS_64BIT_KERNEL | |
596 | select SYS_SUPPORTS_BIG_ENDIAN | |
597 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
598 | help | |
599 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
600 | board, which is based on GT64120 bridge chip. | |
601 | ||
a86c7f72 DD |
602 | config CAVIUM_OCTEON_SIMULATOR |
603 | bool "Support for the Cavium Networks Octeon Simulator" | |
604 | select CEVT_R4K | |
605 | select 64BIT_PHYS_ADDR | |
606 | select DMA_COHERENT | |
607 | select SYS_SUPPORTS_64BIT_KERNEL | |
608 | select SYS_SUPPORTS_BIG_ENDIAN | |
609 | select SYS_SUPPORTS_HIGHMEM | |
5e683389 | 610 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
611 | help |
612 | The Octeon simulator is software performance model of the Cavium | |
613 | Octeon Processor. It supports simulating Octeon processors on x86 | |
614 | hardware. | |
615 | ||
616 | config CAVIUM_OCTEON_REFERENCE_BOARD | |
617 | bool "Support for the Cavium Networks Octeon reference board" | |
618 | select CEVT_R4K | |
619 | select 64BIT_PHYS_ADDR | |
620 | select DMA_COHERENT | |
621 | select SYS_SUPPORTS_64BIT_KERNEL | |
622 | select SYS_SUPPORTS_BIG_ENDIAN | |
623 | select SYS_SUPPORTS_HIGHMEM | |
624 | select SYS_HAS_EARLY_PRINTK | |
5e683389 | 625 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
626 | select SWAP_IO_SPACE |
627 | help | |
628 | This option supports all of the Octeon reference boards from Cavium | |
629 | Networks. It builds a kernel that dynamically determines the Octeon | |
630 | CPU type and supports all known board reference implementations. | |
631 | Some of the supported boards are: | |
632 | EBT3000 | |
633 | EBH3000 | |
634 | EBH3100 | |
635 | Thunder | |
636 | Kodama | |
637 | Hikari | |
638 | Say Y here for most Octeon reference boards. | |
639 | ||
5e83d430 | 640 | endchoice |
1da177e4 | 641 | |
e8c7c482 | 642 | source "arch/mips/alchemy/Kconfig" |
9c746edb | 643 | source "arch/mips/basler/excite/Kconfig" |
5e83d430 | 644 | source "arch/mips/jazz/Kconfig" |
1f21d2bd | 645 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 646 | source "arch/mips/pmc-sierra/Kconfig" |
29c48699 | 647 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 648 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 649 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 650 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 651 | source "arch/mips/cavium-octeon/Kconfig" |
38b18f72 | 652 | |
5e83d430 RB |
653 | endmenu |
654 | ||
1da177e4 LT |
655 | config RWSEM_GENERIC_SPINLOCK |
656 | bool | |
657 | default y | |
658 | ||
659 | config RWSEM_XCHGADD_ALGORITHM | |
660 | bool | |
661 | ||
f0d1b0b3 DH |
662 | config ARCH_HAS_ILOG2_U32 |
663 | bool | |
664 | default n | |
665 | ||
666 | config ARCH_HAS_ILOG2_U64 | |
667 | bool | |
668 | default n | |
669 | ||
00a58253 RB |
670 | config ARCH_SUPPORTS_OPROFILE |
671 | bool | |
672 | default y if !MIPS_MT_SMTC | |
673 | ||
3c9ee7ef AM |
674 | config GENERIC_FIND_NEXT_BIT |
675 | bool | |
676 | default y | |
677 | ||
678 | config GENERIC_HWEIGHT | |
679 | bool | |
680 | default y | |
681 | ||
1da177e4 LT |
682 | config GENERIC_CALIBRATE_DELAY |
683 | bool | |
684 | default y | |
685 | ||
7bcf7717 RB |
686 | config GENERIC_CLOCKEVENTS |
687 | bool | |
688 | default y | |
689 | ||
8db02010 RB |
690 | config GENERIC_TIME |
691 | bool | |
692 | default y | |
693 | ||
f5ff0a28 RB |
694 | config GENERIC_CMOS_UPDATE |
695 | bool | |
696 | default y | |
697 | ||
ae1e9130 | 698 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
699 | bool |
700 | default y | |
701 | ||
e77c232c FBH |
702 | config GENERIC_HARDIRQS_NO__DO_IRQ |
703 | bool | |
704 | default n | |
705 | ||
1da177e4 LT |
706 | # |
707 | # Select some configuration options automatically based on user selections. | |
708 | # | |
709 | config ARC | |
710 | bool | |
1da177e4 | 711 | |
61ed242d RB |
712 | config ARCH_MAY_HAVE_PC_FDC |
713 | bool | |
714 | ||
9267a30d MSJ |
715 | config BOOT_RAW |
716 | bool | |
717 | ||
217dd11e RB |
718 | config CEVT_BCM1480 |
719 | bool | |
720 | ||
6457d9fc YY |
721 | config CEVT_DS1287 |
722 | bool | |
723 | ||
1097c6ac YY |
724 | config CEVT_GT641XX |
725 | bool | |
726 | ||
779e7d41 ML |
727 | config CEVT_R4K_LIB |
728 | bool | |
729 | ||
42f77542 | 730 | config CEVT_R4K |
779e7d41 | 731 | select CEVT_R4K_LIB |
42f77542 RB |
732 | bool |
733 | ||
217dd11e RB |
734 | config CEVT_SB1250 |
735 | bool | |
736 | ||
229f773e AN |
737 | config CEVT_TXX9 |
738 | bool | |
739 | ||
217dd11e RB |
740 | config CSRC_BCM1480 |
741 | bool | |
742 | ||
4247417d YY |
743 | config CSRC_IOASIC |
744 | bool | |
745 | ||
779e7d41 ML |
746 | config CSRC_R4K_LIB |
747 | bool | |
748 | ||
940f6b48 | 749 | config CSRC_R4K |
779e7d41 | 750 | select CSRC_R4K_LIB |
940f6b48 RB |
751 | bool |
752 | ||
217dd11e RB |
753 | config CSRC_SB1250 |
754 | bool | |
755 | ||
a9aec7fe AN |
756 | config GPIO_TXX9 |
757 | select GENERIC_GPIO | |
7444a72e | 758 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
759 | bool |
760 | ||
df78b5c8 AJ |
761 | config CFE |
762 | bool | |
763 | ||
4ce588cd | 764 | config DMA_COHERENT |
1da177e4 LT |
765 | bool |
766 | ||
4ce588cd RB |
767 | config DMA_NONCOHERENT |
768 | bool | |
769 | select DMA_NEED_PCI_MAP_STATE | |
770 | ||
771 | config DMA_NEED_PCI_MAP_STATE | |
1da177e4 LT |
772 | bool |
773 | ||
774 | config EARLY_PRINTK | |
36a88530 RB |
775 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
776 | depends on SYS_HAS_EARLY_PRINTK | |
777 | default y | |
778 | help | |
779 | This option enables special console drivers which allow the kernel | |
780 | to print messages very early in the bootup process. | |
781 | ||
782 | This is useful for kernel debugging when your machine crashes very | |
490dcc4d RD |
783 | early before the console code is initialized. For normal operation, |
784 | it is not recommended because it looks ugly on some machines and | |
785 | doesn't cooperate with an X server. You should normally say N here, | |
36a88530 RB |
786 | unless you want to debug such a crash. |
787 | ||
788 | config SYS_HAS_EARLY_PRINTK | |
1da177e4 | 789 | bool |
1da177e4 | 790 | |
dbb74540 RB |
791 | config HOTPLUG_CPU |
792 | bool | |
793 | default n | |
794 | ||
1da177e4 LT |
795 | config I8259 |
796 | bool | |
1da177e4 | 797 | |
1da177e4 LT |
798 | config MIPS_BONITO64 |
799 | bool | |
1da177e4 LT |
800 | |
801 | config MIPS_MSC | |
802 | bool | |
1da177e4 | 803 | |
1f21d2bd BM |
804 | config MIPS_NILE4 |
805 | bool | |
806 | ||
1da177e4 LT |
807 | config MIPS_DISABLE_OBSOLETE_IDE |
808 | bool | |
809 | ||
39b8d525 RB |
810 | config SYNC_R4K |
811 | bool | |
812 | ||
d388d685 MR |
813 | config NO_IOPORT |
814 | def_bool n | |
815 | ||
8313da30 RB |
816 | config GENERIC_ISA_DMA |
817 | bool | |
818 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
819 | ||
aa414dff RB |
820 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
821 | bool | |
8313da30 | 822 | select GENERIC_ISA_DMA |
aa414dff | 823 | |
09663335 YY |
824 | config GENERIC_GPIO |
825 | bool | |
826 | ||
5e83d430 | 827 | # |
3cb2fccc | 828 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
829 | # answer,so we try hard to limit the available choices. Also the use of a |
830 | # choice statement should be more obvious to the user. | |
831 | # | |
832 | choice | |
833 | prompt "Endianess selection" | |
1da177e4 LT |
834 | help |
835 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 836 | byte order. These modes require different kernels and a different |
3cb2fccc | 837 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 838 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 839 | one or the other endianness. |
5e83d430 RB |
840 | |
841 | config CPU_BIG_ENDIAN | |
842 | bool "Big endian" | |
843 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
844 | ||
845 | config CPU_LITTLE_ENDIAN | |
846 | bool "Little endian" | |
847 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
848 | help | |
849 | ||
850 | endchoice | |
851 | ||
2116245e RB |
852 | config SYS_SUPPORTS_APM_EMULATION |
853 | bool | |
854 | ||
5e83d430 RB |
855 | config SYS_SUPPORTS_BIG_ENDIAN |
856 | bool | |
857 | ||
858 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
859 | bool | |
1da177e4 LT |
860 | |
861 | config IRQ_CPU | |
862 | bool | |
863 | ||
864 | config IRQ_CPU_RM7K | |
865 | bool | |
866 | ||
5e83d430 RB |
867 | config IRQ_CPU_RM9K |
868 | bool | |
869 | ||
9267a30d MSJ |
870 | config IRQ_MSP_SLP |
871 | bool | |
872 | ||
873 | config IRQ_MSP_CIC | |
874 | bool | |
875 | ||
8420fd00 AN |
876 | config IRQ_TXX9 |
877 | bool | |
878 | ||
d5ab1a69 YY |
879 | config IRQ_GT641XX |
880 | bool | |
881 | ||
39b8d525 RB |
882 | config IRQ_GIC |
883 | bool | |
884 | ||
a86c7f72 DD |
885 | config IRQ_CPU_OCTEON |
886 | bool | |
887 | ||
1da177e4 LT |
888 | config MIPS_BOARDS_GEN |
889 | bool | |
1da177e4 | 890 | |
252161ec | 891 | config PCI_GT64XXX_PCI0 |
1da177e4 | 892 | bool |
1da177e4 | 893 | |
9267a30d MSJ |
894 | config NO_EXCEPT_FILL |
895 | bool | |
896 | ||
663c3d90 | 897 | config MIPS_RM9122 |
898 | bool | |
899 | select SERIAL_RM9000 | |
663c3d90 | 900 | |
a83860c2 RB |
901 | config SOC_EMMA2RH |
902 | bool | |
903 | select CEVT_R4K | |
904 | select CSRC_R4K | |
905 | select DMA_NONCOHERENT | |
906 | select IRQ_CPU | |
907 | select SWAP_IO_SPACE | |
908 | select SYS_HAS_CPU_R5500 | |
909 | select SYS_SUPPORTS_32BIT_KERNEL | |
910 | select SYS_SUPPORTS_64BIT_KERNEL | |
911 | select SYS_SUPPORTS_BIG_ENDIAN | |
912 | ||
edb6310a DL |
913 | config SOC_PNX833X |
914 | bool | |
915 | select CEVT_R4K | |
916 | select CSRC_R4K | |
917 | select IRQ_CPU | |
918 | select DMA_NONCOHERENT | |
919 | select SYS_HAS_CPU_MIPS32_R2 | |
920 | select SYS_SUPPORTS_32BIT_KERNEL | |
921 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
922 | select SYS_SUPPORTS_BIG_ENDIAN | |
923 | select GENERIC_HARDIRQS_NO__DO_IRQ | |
924 | select GENERIC_GPIO | |
925 | select CPU_MIPSR2_IRQ_VI | |
926 | ||
927 | config SOC_PNX8335 | |
928 | bool | |
929 | select SOC_PNX833X | |
930 | ||
bdf21b18 PP |
931 | config PNX8550 |
932 | bool | |
933 | select SOC_PNX8550 | |
934 | ||
935 | config SOC_PNX8550 | |
936 | bool | |
bdf21b18 PP |
937 | select DMA_NONCOHERENT |
938 | select HW_HAS_PCI | |
b8c2a77c | 939 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 940 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 941 | select SYS_SUPPORTS_32BIT_KERNEL |
e77c232c | 942 | select GENERIC_HARDIRQS_NO__DO_IRQ |
4ead1681 | 943 | select GENERIC_GPIO |
bdf21b18 | 944 | |
1da177e4 LT |
945 | config SWAP_IO_SPACE |
946 | bool | |
947 | ||
663c3d90 | 948 | config SERIAL_RM9000 |
949 | bool | |
950 | ||
e2defae5 TB |
951 | config SGI_HAS_INDYDOG |
952 | bool | |
953 | ||
5b438c44 TB |
954 | config SGI_HAS_HAL2 |
955 | bool | |
956 | ||
e2defae5 TB |
957 | config SGI_HAS_SEEQ |
958 | bool | |
959 | ||
960 | config SGI_HAS_WD93 | |
961 | bool | |
962 | ||
963 | config SGI_HAS_ZILOG | |
964 | bool | |
965 | ||
966 | config SGI_HAS_I8042 | |
967 | bool | |
968 | ||
969 | config DEFAULT_SGI_PARTITION | |
970 | bool | |
971 | ||
5e83d430 RB |
972 | config ARC32 |
973 | bool | |
974 | ||
231a35d3 TB |
975 | config SNIPROM |
976 | bool | |
977 | ||
1da177e4 LT |
978 | config BOOT_ELF32 |
979 | bool | |
1da177e4 LT |
980 | |
981 | config MIPS_L1_CACHE_SHIFT | |
982 | int | |
73b4390f | 983 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 |
a86c7f72 | 984 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
9267a30d | 985 | default "4" if PMC_MSP4200_EVAL |
1da177e4 LT |
986 | default "5" |
987 | ||
1da177e4 LT |
988 | config HAVE_STD_PC_SERIAL_PORT |
989 | bool | |
990 | ||
1da177e4 LT |
991 | config ARC_CONSOLE |
992 | bool "ARC console support" | |
e2defae5 | 993 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
994 | |
995 | config ARC_MEMORY | |
996 | bool | |
14b36af4 | 997 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
998 | default y |
999 | ||
1000 | config ARC_PROMLIB | |
1001 | bool | |
e2defae5 | 1002 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1003 | default y |
1004 | ||
1005 | config ARC64 | |
1006 | bool | |
1da177e4 LT |
1007 | |
1008 | config BOOT_ELF64 | |
1009 | bool | |
1da177e4 | 1010 | |
1da177e4 LT |
1011 | menu "CPU selection" |
1012 | ||
1013 | choice | |
1014 | prompt "CPU type" | |
1015 | default CPU_R4X00 | |
1016 | ||
2a21c730 FZ |
1017 | config CPU_LOONGSON2 |
1018 | bool "Loongson 2" | |
1019 | depends on SYS_HAS_CPU_LOONGSON2 | |
1020 | select CPU_SUPPORTS_32BIT_KERNEL | |
1021 | select CPU_SUPPORTS_64BIT_KERNEL | |
1022 | select CPU_SUPPORTS_HIGHMEM | |
1023 | help | |
1024 | The Loongson 2E processor implements the MIPS III instruction set | |
1025 | with many extensions. | |
1026 | ||
6e760c8d RB |
1027 | config CPU_MIPS32_R1 |
1028 | bool "MIPS32 Release 1" | |
7cf8053b | 1029 | depends on SYS_HAS_CPU_MIPS32_R1 |
f7062ddb | 1030 | select CPU_HAS_LLSC |
6e760c8d | 1031 | select CPU_HAS_PREFETCH |
797798c1 | 1032 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1033 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1034 | help |
5e83d430 | 1035 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1036 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1037 | MIPS processor are based on a MIPS32 processor. If you know the | |
1038 | specific type of processor in your system, choose those that one | |
1039 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1040 | Release 2 of the MIPS32 architecture is available since several | |
1041 | years so chances are you even have a MIPS32 Release 2 processor | |
1042 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1043 | performance. | |
1044 | ||
1045 | config CPU_MIPS32_R2 | |
1046 | bool "MIPS32 Release 2" | |
7cf8053b | 1047 | depends on SYS_HAS_CPU_MIPS32_R2 |
f7062ddb | 1048 | select CPU_HAS_LLSC |
1e5f1caa | 1049 | select CPU_HAS_PREFETCH |
797798c1 | 1050 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1051 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1052 | help |
5e83d430 | 1053 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1054 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1055 | MIPS processor are based on a MIPS32 processor. If you know the | |
1056 | specific type of processor in your system, choose those that one | |
1057 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1058 | ||
1059 | config CPU_MIPS64_R1 | |
1060 | bool "MIPS64 Release 1" | |
7cf8053b | 1061 | depends on SYS_HAS_CPU_MIPS64_R1 |
f7062ddb | 1062 | select CPU_HAS_LLSC |
797798c1 | 1063 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1064 | select CPU_SUPPORTS_32BIT_KERNEL |
1065 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1066 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d RB |
1067 | help |
1068 | Choose this option to build a kernel for release 1 or later of the | |
1069 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1070 | MIPS processor are based on a MIPS64 processor. If you know the | |
1071 | specific type of processor in your system, choose those that one | |
1072 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1073 | Release 2 of the MIPS64 architecture is available since several |
1074 | years so chances are you even have a MIPS64 Release 2 processor | |
1075 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1076 | performance. | |
1077 | ||
1078 | config CPU_MIPS64_R2 | |
1079 | bool "MIPS64 Release 2" | |
7cf8053b | 1080 | depends on SYS_HAS_CPU_MIPS64_R2 |
f7062ddb | 1081 | select CPU_HAS_LLSC |
797798c1 | 1082 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1083 | select CPU_SUPPORTS_32BIT_KERNEL |
1084 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1085 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa RB |
1086 | help |
1087 | Choose this option to build a kernel for release 2 or later of the | |
1088 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1089 | MIPS processor are based on a MIPS64 processor. If you know the | |
1090 | specific type of processor in your system, choose those that one | |
1091 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1092 | |
1093 | config CPU_R3000 | |
1094 | bool "R3000" | |
7cf8053b | 1095 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1096 | select CPU_HAS_WB |
ed5ba2fb | 1097 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1098 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1099 | help |
1100 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1101 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1102 | *not* work on R4000 machines and vice versa. However, since most | |
1103 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1104 | might be a safe bet. If the resulting kernel does not work, | |
1105 | try to recompile with R3000. | |
1106 | ||
1107 | config CPU_TX39XX | |
1108 | bool "R39XX" | |
7cf8053b | 1109 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1110 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1111 | |
1112 | config CPU_VR41XX | |
1113 | bool "R41xx" | |
7cf8053b | 1114 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1115 | select CPU_SUPPORTS_32BIT_KERNEL |
1116 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1117 | help |
5e83d430 | 1118 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1119 | Only choose this option if you have one of these processors as a |
1120 | kernel built with this option will not run on any other type of | |
1121 | processor or vice versa. | |
1122 | ||
1123 | config CPU_R4300 | |
1124 | bool "R4300" | |
7cf8053b | 1125 | depends on SYS_HAS_CPU_R4300 |
f7062ddb | 1126 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1127 | select CPU_SUPPORTS_32BIT_KERNEL |
1128 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1129 | help |
1130 | MIPS Technologies R4300-series processors. | |
1131 | ||
1132 | config CPU_R4X00 | |
1133 | bool "R4x00" | |
7cf8053b | 1134 | depends on SYS_HAS_CPU_R4X00 |
f7062ddb | 1135 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1136 | select CPU_SUPPORTS_32BIT_KERNEL |
1137 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1138 | help |
1139 | MIPS Technologies R4000-series processors other than 4300, including | |
1140 | the R4000, R4400, R4600, and 4700. | |
1141 | ||
1142 | config CPU_TX49XX | |
1143 | bool "R49XX" | |
7cf8053b | 1144 | depends on SYS_HAS_CPU_TX49XX |
f7062ddb | 1145 | select CPU_HAS_LLSC |
de862b48 | 1146 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1147 | select CPU_SUPPORTS_32BIT_KERNEL |
1148 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1149 | |
1150 | config CPU_R5000 | |
1151 | bool "R5000" | |
7cf8053b | 1152 | depends on SYS_HAS_CPU_R5000 |
f7062ddb | 1153 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1154 | select CPU_SUPPORTS_32BIT_KERNEL |
1155 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1156 | help |
1157 | MIPS Technologies R5000-series processors other than the Nevada. | |
1158 | ||
1159 | config CPU_R5432 | |
1160 | bool "R5432" | |
7cf8053b | 1161 | depends on SYS_HAS_CPU_R5432 |
f7062ddb | 1162 | select CPU_HAS_LLSC |
5e83d430 RB |
1163 | select CPU_SUPPORTS_32BIT_KERNEL |
1164 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1165 | |
542c1020 SK |
1166 | config CPU_R5500 |
1167 | bool "R5500" | |
1168 | depends on SYS_HAS_CPU_R5500 | |
1169 | select CPU_HAS_LLSC | |
1170 | select CPU_SUPPORTS_32BIT_KERNEL | |
1171 | select CPU_SUPPORTS_64BIT_KERNEL | |
1172 | help | |
1173 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1174 | instruction set. | |
1175 | ||
1da177e4 LT |
1176 | config CPU_R6000 |
1177 | bool "R6000" | |
ed5ba2fb | 1178 | depends on EXPERIMENTAL |
f7062ddb | 1179 | select CPU_HAS_LLSC |
7cf8053b | 1180 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1181 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1182 | help |
1183 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1184 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1185 | |
1186 | config CPU_NEVADA | |
1187 | bool "RM52xx" | |
7cf8053b | 1188 | depends on SYS_HAS_CPU_NEVADA |
f7062ddb | 1189 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1190 | select CPU_SUPPORTS_32BIT_KERNEL |
1191 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1192 | help |
1193 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1194 | ||
1195 | config CPU_R8000 | |
1196 | bool "R8000" | |
ed5ba2fb | 1197 | depends on EXPERIMENTAL |
7cf8053b | 1198 | depends on SYS_HAS_CPU_R8000 |
f7062ddb | 1199 | select CPU_HAS_LLSC |
5e83d430 | 1200 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1201 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1202 | help |
1203 | MIPS Technologies R8000 processors. Note these processors are | |
1204 | uncommon and the support for them is incomplete. | |
1205 | ||
1206 | config CPU_R10000 | |
1207 | bool "R10000" | |
7cf8053b | 1208 | depends on SYS_HAS_CPU_R10000 |
f7062ddb | 1209 | select CPU_HAS_LLSC |
5e83d430 | 1210 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1211 | select CPU_SUPPORTS_32BIT_KERNEL |
1212 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1213 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1214 | help |
1215 | MIPS Technologies R10000-series processors. | |
1216 | ||
1217 | config CPU_RM7000 | |
1218 | bool "RM7000" | |
7cf8053b | 1219 | depends on SYS_HAS_CPU_RM7000 |
f7062ddb | 1220 | select CPU_HAS_LLSC |
5e83d430 | 1221 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1222 | select CPU_SUPPORTS_32BIT_KERNEL |
1223 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1224 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1225 | |
1226 | config CPU_RM9000 | |
1227 | bool "RM9000" | |
7cf8053b | 1228 | depends on SYS_HAS_CPU_RM9000 |
f7062ddb | 1229 | select CPU_HAS_LLSC |
5e83d430 | 1230 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1231 | select CPU_SUPPORTS_32BIT_KERNEL |
1232 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1233 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1234 | select WEAK_ORDERING |
1da177e4 LT |
1235 | |
1236 | config CPU_SB1 | |
1237 | bool "SB1" | |
7cf8053b | 1238 | depends on SYS_HAS_CPU_SB1 |
f7062ddb | 1239 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1240 | select CPU_SUPPORTS_32BIT_KERNEL |
1241 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1242 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1243 | select WEAK_ORDERING |
1da177e4 | 1244 | |
a86c7f72 DD |
1245 | config CPU_CAVIUM_OCTEON |
1246 | bool "Cavium Octeon processor" | |
5e683389 | 1247 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
1248 | select IRQ_CPU |
1249 | select IRQ_CPU_OCTEON | |
1250 | select CPU_HAS_PREFETCH | |
1251 | select CPU_SUPPORTS_64BIT_KERNEL | |
1252 | select SYS_SUPPORTS_SMP | |
1253 | select NR_CPUS_DEFAULT_16 | |
1254 | select WEAK_ORDERING | |
1255 | select WEAK_REORDERING_BEYOND_LLSC | |
1256 | select CPU_SUPPORTS_HIGHMEM | |
1257 | help | |
1258 | The Cavium Octeon processor is a highly integrated chip containing | |
1259 | many ethernet hardware widgets for networking tasks. The processor | |
1260 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1261 | Full details can be found at http://www.caviumnetworks.com. | |
1262 | ||
1da177e4 LT |
1263 | endchoice |
1264 | ||
2a21c730 FZ |
1265 | config SYS_HAS_CPU_LOONGSON2 |
1266 | bool | |
1267 | ||
7cf8053b RB |
1268 | config SYS_HAS_CPU_MIPS32_R1 |
1269 | bool | |
1270 | ||
1271 | config SYS_HAS_CPU_MIPS32_R2 | |
1272 | bool | |
1273 | ||
1274 | config SYS_HAS_CPU_MIPS64_R1 | |
1275 | bool | |
1276 | ||
1277 | config SYS_HAS_CPU_MIPS64_R2 | |
1278 | bool | |
1279 | ||
1280 | config SYS_HAS_CPU_R3000 | |
1281 | bool | |
1282 | ||
1283 | config SYS_HAS_CPU_TX39XX | |
1284 | bool | |
1285 | ||
1286 | config SYS_HAS_CPU_VR41XX | |
1287 | bool | |
1288 | ||
1289 | config SYS_HAS_CPU_R4300 | |
1290 | bool | |
1291 | ||
1292 | config SYS_HAS_CPU_R4X00 | |
1293 | bool | |
1294 | ||
1295 | config SYS_HAS_CPU_TX49XX | |
1296 | bool | |
1297 | ||
1298 | config SYS_HAS_CPU_R5000 | |
1299 | bool | |
1300 | ||
1301 | config SYS_HAS_CPU_R5432 | |
1302 | bool | |
1303 | ||
542c1020 SK |
1304 | config SYS_HAS_CPU_R5500 |
1305 | bool | |
1306 | ||
7cf8053b RB |
1307 | config SYS_HAS_CPU_R6000 |
1308 | bool | |
1309 | ||
1310 | config SYS_HAS_CPU_NEVADA | |
1311 | bool | |
1312 | ||
1313 | config SYS_HAS_CPU_R8000 | |
1314 | bool | |
1315 | ||
1316 | config SYS_HAS_CPU_R10000 | |
1317 | bool | |
1318 | ||
1319 | config SYS_HAS_CPU_RM7000 | |
1320 | bool | |
1321 | ||
1322 | config SYS_HAS_CPU_RM9000 | |
1323 | bool | |
1324 | ||
1325 | config SYS_HAS_CPU_SB1 | |
1326 | bool | |
1327 | ||
5e683389 DD |
1328 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1329 | bool | |
1330 | ||
17099b11 RB |
1331 | # |
1332 | # CPU may reorder R->R, R->W, W->R, W->W | |
1333 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1334 | # | |
0004a9df RB |
1335 | config WEAK_ORDERING |
1336 | bool | |
17099b11 RB |
1337 | |
1338 | # | |
1339 | # CPU may reorder reads and writes beyond LL/SC | |
1340 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1341 | # | |
1342 | config WEAK_REORDERING_BEYOND_LLSC | |
1343 | bool | |
5e83d430 RB |
1344 | endmenu |
1345 | ||
1346 | # | |
c09b47d8 | 1347 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1348 | # |
1349 | config CPU_MIPS32 | |
1350 | bool | |
1351 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1352 | ||
1353 | config CPU_MIPS64 | |
1354 | bool | |
1355 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1356 | ||
1357 | # | |
c09b47d8 | 1358 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1359 | # |
1360 | config CPU_MIPSR1 | |
1361 | bool | |
1362 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1363 | ||
1364 | config CPU_MIPSR2 | |
1365 | bool | |
a86c7f72 | 1366 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1367 | |
1368 | config SYS_SUPPORTS_32BIT_KERNEL | |
1369 | bool | |
1370 | config SYS_SUPPORTS_64BIT_KERNEL | |
1371 | bool | |
1372 | config CPU_SUPPORTS_32BIT_KERNEL | |
1373 | bool | |
1374 | config CPU_SUPPORTS_64BIT_KERNEL | |
1375 | bool | |
1376 | ||
8192c9ea DD |
1377 | # |
1378 | # Set to y for ptrace access to watch registers. | |
1379 | # | |
1380 | config HARDWARE_WATCHPOINTS | |
1381 | bool | |
f839490a | 1382 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1383 | |
5e83d430 RB |
1384 | menu "Kernel type" |
1385 | ||
1386 | choice | |
1387 | ||
1388 | prompt "Kernel code model" | |
1389 | help | |
1390 | You should only select this option if you have a workload that | |
1391 | actually benefits from 64-bit processing or if your machine has | |
1392 | large memory. You will only be presented a single option in this | |
1393 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1394 | ||
1395 | config 32BIT | |
1396 | bool "32-bit kernel" | |
1397 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1398 | select TRAD_SIGNALS | |
1399 | help | |
1400 | Select this option if you want to build a 32-bit kernel. | |
1401 | config 64BIT | |
1402 | bool "64-bit kernel" | |
1403 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
dbda6ac0 | 1404 | select HAVE_SYSCALL_WRAPPERS |
5e83d430 RB |
1405 | help |
1406 | Select this option if you want to build a 64-bit kernel. | |
1407 | ||
1408 | endchoice | |
1409 | ||
1da177e4 LT |
1410 | choice |
1411 | prompt "Kernel page size" | |
1412 | default PAGE_SIZE_4KB | |
1413 | ||
1414 | config PAGE_SIZE_4KB | |
1415 | bool "4kB" | |
1416 | help | |
1417 | This option select the standard 4kB Linux page size. On some | |
1418 | R3000-family processors this is the only available page size. Using | |
1419 | 4kB page size will minimize memory consumption and is therefore | |
1420 | recommended for low memory systems. | |
1421 | ||
1422 | config PAGE_SIZE_8KB | |
1423 | bool "8kB" | |
1424 | depends on EXPERIMENTAL && CPU_R8000 | |
1425 | help | |
1426 | Using 8kB page size will result in higher performance kernel at | |
1427 | the price of higher memory consumption. This option is available | |
1428 | only on the R8000 processor. Not that at the time of this writing | |
1429 | this option is still high experimental; there are also issues with | |
1430 | compatibility of user applications. | |
1431 | ||
1432 | config PAGE_SIZE_16KB | |
1433 | bool "16kB" | |
714bfad6 | 1434 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1435 | help |
1436 | Using 16kB page size will result in higher performance kernel at | |
1437 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1438 | all non-R3000 family processors. Note that you will need a suitable |
1439 | Linux distribution to support this. | |
1da177e4 LT |
1440 | |
1441 | config PAGE_SIZE_64KB | |
1442 | bool "64kB" | |
1443 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1444 | help | |
1445 | Using 64kB page size will result in higher performance kernel at | |
1446 | the price of higher memory consumption. This option is available on | |
1447 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1448 | writing this option is still high experimental. |
1da177e4 LT |
1449 | |
1450 | endchoice | |
1451 | ||
1452 | config BOARD_SCACHE | |
1453 | bool | |
1454 | ||
1455 | config IP22_CPU_SCACHE | |
1456 | bool | |
1457 | select BOARD_SCACHE | |
1458 | ||
9318c51a CD |
1459 | # |
1460 | # Support for a MIPS32 / MIPS64 style S-caches | |
1461 | # | |
1462 | config MIPS_CPU_SCACHE | |
1463 | bool | |
1464 | select BOARD_SCACHE | |
1465 | ||
1da177e4 LT |
1466 | config R5000_CPU_SCACHE |
1467 | bool | |
1468 | select BOARD_SCACHE | |
1469 | ||
1470 | config RM7000_CPU_SCACHE | |
1471 | bool | |
1472 | select BOARD_SCACHE | |
1473 | ||
1474 | config SIBYTE_DMA_PAGEOPS | |
1475 | bool "Use DMA to clear/copy pages" | |
1476 | depends on CPU_SB1 | |
1477 | help | |
1478 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1479 | channel. These DMA channels are otherwise unused by the standard | |
1480 | SiByte Linux port. Seems to give a small performance benefit. | |
1481 | ||
1482 | config CPU_HAS_PREFETCH | |
c8094b53 | 1483 | bool |
1da177e4 | 1484 | |
340ee4b9 RB |
1485 | choice |
1486 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1487 | |
1488 | config MIPS_MT_DISABLED | |
1489 | bool "Disable multithreading support." | |
1490 | help | |
1491 | Use this option if your workload can't take advantage of | |
1492 | MIPS hardware multithreading support. On systems that don't have | |
1493 | the option of an MT-enabled processor this option will be the only | |
1494 | option in this menu. | |
340ee4b9 | 1495 | |
59d6ab86 RB |
1496 | config MIPS_MT_SMP |
1497 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1498 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1499 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1500 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1501 | select MIPS_MT |
f510aa3b | 1502 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1503 | select SMP |
0ab7aefc | 1504 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1505 | select SYS_SUPPORTS_SMP |
87353d8a | 1506 | select SMP_UP |
f41ae0b2 | 1507 | help |
59d6ab86 RB |
1508 | This is a kernel model which is also known a VSMP or lately |
1509 | has been marketesed into SMVP. | |
41c594ab | 1510 | |
59d6ab86 RB |
1511 | config MIPS_MT_SMTC |
1512 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1513 | depends on CPU_MIPS32_R2 | |
1514 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1515 | depends on SYS_SUPPORTS_MULTITHREADING |
1516 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1517 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1518 | select MIPS_MT |
130e2fb7 | 1519 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1520 | select SMP |
73b76c78 | 1521 | select SYS_SUPPORTS_SMP |
87353d8a | 1522 | select SMP_UP |
f41ae0b2 | 1523 | help |
59d6ab86 RB |
1524 | This is a kernel model which is known a SMTC or lately has been |
1525 | marketesed into SMVP. | |
340ee4b9 | 1526 | |
340ee4b9 RB |
1527 | endchoice |
1528 | ||
f41ae0b2 RB |
1529 | config MIPS_MT |
1530 | bool | |
1531 | ||
0ab7aefc RB |
1532 | config SCHED_SMT |
1533 | bool "SMT (multithreading) scheduler support" | |
1534 | depends on SYS_SUPPORTS_SCHED_SMT | |
1535 | default n | |
1536 | help | |
1537 | SMT scheduler support improves the CPU scheduler's decision making | |
1538 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1539 | increased overhead in some places. If unsure say N here. | |
1540 | ||
1541 | config SYS_SUPPORTS_SCHED_SMT | |
1542 | bool | |
1543 | ||
1544 | ||
f41ae0b2 RB |
1545 | config SYS_SUPPORTS_MULTITHREADING |
1546 | bool | |
1547 | ||
f088fc84 RB |
1548 | config MIPS_MT_FPAFF |
1549 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1550 | default y |
07cc0c9e RB |
1551 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1552 | ||
1553 | config MIPS_VPE_LOADER | |
1554 | bool "VPE loader support." | |
1555 | depends on SYS_SUPPORTS_MULTITHREADING | |
1556 | select CPU_MIPSR2_IRQ_VI | |
1557 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1558 | select MIPS_MT |
1559 | help | |
1560 | Includes a loader for loading an elf relocatable object | |
1561 | onto another VPE and running it. | |
f088fc84 | 1562 | |
0db34215 KK |
1563 | config MIPS_MT_SMTC_IM_BACKSTOP |
1564 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1565 | depends on MIPS_MT_SMTC | |
8531a35e | 1566 | default n |
0db34215 KK |
1567 | help |
1568 | To support multiple TC microthreads acting as "CPUs" within | |
1569 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1570 | during interrupt handling. To support legacy drivers and interrupt | |
1571 | controller management code, SMTC has a "backstop" to track and | |
1572 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1573 | impact on interrupt service overhead. |
0db34215 | 1574 | |
f571eff0 KK |
1575 | config MIPS_MT_SMTC_IRQAFF |
1576 | bool "Support IRQ affinity API" | |
1577 | depends on MIPS_MT_SMTC | |
1578 | default n | |
1579 | help | |
1580 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1581 | for SMTC Linux kernel. Requires platform support, of which | |
1582 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1583 | platform code. Adds some overhead to interrupt dispatch, and |
1584 | should be used only if you know what you are doing. | |
f571eff0 | 1585 | |
e01402b1 RB |
1586 | config MIPS_VPE_LOADER_TOM |
1587 | bool "Load VPE program into memory hidden from linux" | |
1588 | depends on MIPS_VPE_LOADER | |
1589 | default y | |
1590 | help | |
1591 | The loader can use memory that is present but has been hidden from | |
1592 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1593 | you to ensure the amount you put in the option and the space your | |
1594 | program requires is less or equal to the amount physically present. | |
1595 | ||
1596 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1597 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1598 | bool "Enable support for AP/SP API (RTLX)" |
1599 | depends on MIPS_VPE_LOADER | |
1600 | help | |
e01402b1 | 1601 | |
2600990e RB |
1602 | config MIPS_APSP_KSPD |
1603 | bool "Enable KSPD" | |
1604 | depends on MIPS_VPE_APSP_API | |
1605 | default y | |
1606 | help | |
1607 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1608 | side, actions them and returns the results. It also handles the | |
1609 | "exit" syscall notifying other kernel modules the SP program is | |
1610 | exiting. You probably want to say yes here. | |
1611 | ||
4a16ff4c RB |
1612 | config MIPS_CMP |
1613 | bool "MIPS CMP framework support" | |
1614 | depends on SYS_SUPPORTS_MIPS_CMP | |
1615 | select SYNC_R4K if BROKEN | |
1616 | select SYS_SUPPORTS_SMP | |
1617 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1618 | select WEAK_ORDERING | |
1619 | default n | |
1620 | help | |
1621 | This is a placeholder option for the GCMP work. It will need to | |
1622 | be handled differently... | |
1623 | ||
1da177e4 LT |
1624 | config SB1_PASS_1_WORKAROUNDS |
1625 | bool | |
1626 | depends on CPU_SB1_PASS_1 | |
1627 | default y | |
1628 | ||
1629 | config SB1_PASS_2_WORKAROUNDS | |
1630 | bool | |
1631 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1632 | default y | |
1633 | ||
1634 | config SB1_PASS_2_1_WORKAROUNDS | |
1635 | bool | |
1636 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1637 | default y | |
1638 | ||
1639 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1640 | bool |
1da177e4 | 1641 | |
1da177e4 | 1642 | config CPU_HAS_LLSC |
f7062ddb | 1643 | bool |
1da177e4 | 1644 | |
9693a853 FBH |
1645 | config CPU_HAS_SMARTMIPS |
1646 | depends on SYS_SUPPORTS_SMARTMIPS | |
1647 | bool "Support for the SmartMIPS ASE" | |
1648 | help | |
1649 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1650 | increased security at both hardware and software level for | |
1651 | smartcards. Enabling this option will allow proper use of the | |
1652 | SmartMIPS instructions by Linux applications. However a kernel with | |
1653 | this option will not work on a MIPS core without SmartMIPS core. If | |
1654 | you don't know you probably don't have SmartMIPS and should say N | |
1655 | here. | |
1656 | ||
1da177e4 | 1657 | config CPU_HAS_WB |
f7062ddb | 1658 | bool |
e01402b1 | 1659 | |
f41ae0b2 RB |
1660 | # |
1661 | # Vectored interrupt mode is an R2 feature | |
1662 | # | |
e01402b1 | 1663 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1664 | bool |
e01402b1 | 1665 | |
f41ae0b2 RB |
1666 | # |
1667 | # Extended interrupt mode is an R2 feature | |
1668 | # | |
e01402b1 | 1669 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1670 | bool |
e01402b1 | 1671 | |
1da177e4 LT |
1672 | config CPU_HAS_SYNC |
1673 | bool | |
1674 | depends on !CPU_R3000 | |
1675 | default y | |
1676 | ||
ea580401 RB |
1677 | config GENERIC_CLOCKEVENTS_BROADCAST |
1678 | bool | |
1679 | ||
20d60d99 MR |
1680 | # |
1681 | # CPU non-features | |
1682 | # | |
1683 | config CPU_DADDI_WORKAROUNDS | |
1684 | bool | |
1685 | ||
1686 | config CPU_R4000_WORKAROUNDS | |
1687 | bool | |
1688 | select CPU_R4400_WORKAROUNDS | |
1689 | ||
1690 | config CPU_R4400_WORKAROUNDS | |
1691 | bool | |
1692 | ||
797798c1 RB |
1693 | # |
1694 | # Use the generic interrupt handling code in kernel/irq/: | |
1695 | # | |
1696 | config GENERIC_HARDIRQS | |
1697 | bool | |
1698 | default y | |
1699 | ||
1700 | config GENERIC_IRQ_PROBE | |
1701 | bool | |
1702 | default y | |
1703 | ||
0d7012a9 | 1704 | config IRQ_PER_CPU |
0d7012a9 | 1705 | bool |
0d7012a9 | 1706 | |
1da177e4 LT |
1707 | # |
1708 | # - Highmem only makes sense for the 32-bit kernel. | |
1709 | # - The current highmem code will only work properly on physically indexed | |
1710 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1711 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1712 | # moment we protect the user and offer the highmem option only on machines | |
1713 | # where it's known to be safe. This will not offer highmem on a few systems | |
1714 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1715 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1716 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1717 | # know they might have memory configurations that could make use of highmem | |
1718 | # support. | |
1da177e4 LT |
1719 | # |
1720 | config HIGHMEM | |
1721 | bool "High Memory Support" | |
797798c1 RB |
1722 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1723 | ||
1724 | config CPU_SUPPORTS_HIGHMEM | |
1725 | bool | |
1726 | ||
1727 | config SYS_SUPPORTS_HIGHMEM | |
1728 | bool | |
1da177e4 | 1729 | |
9693a853 FBH |
1730 | config SYS_SUPPORTS_SMARTMIPS |
1731 | bool | |
1732 | ||
b4819b59 YY |
1733 | config ARCH_FLATMEM_ENABLE |
1734 | def_bool y | |
1735 | depends on !NUMA | |
1736 | ||
d8cb4e11 RB |
1737 | config ARCH_DISCONTIGMEM_ENABLE |
1738 | bool | |
1739 | default y if SGI_IP27 | |
1740 | help | |
3dde6ad8 | 1741 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1742 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1743 | or have huge holes in the physical address space for other reasons. | |
1744 | See <file:Documentation/vm/numa> for more. | |
1745 | ||
cce335ae RB |
1746 | config ARCH_POPULATES_NODE_MAP |
1747 | def_bool y | |
1748 | ||
31473747 AN |
1749 | config ARCH_SPARSEMEM_ENABLE |
1750 | bool | |
7de58fab | 1751 | select SPARSEMEM_STATIC |
31473747 | 1752 | |
d8cb4e11 RB |
1753 | config NUMA |
1754 | bool "NUMA Support" | |
1755 | depends on SYS_SUPPORTS_NUMA | |
1756 | help | |
1757 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1758 | Access). This option improves performance on systems with more | |
1759 | than two nodes; on two node systems it is generally better to | |
1760 | leave it disabled; on single node systems disable this option | |
1761 | disabled. | |
1762 | ||
1763 | config SYS_SUPPORTS_NUMA | |
1764 | bool | |
1765 | ||
c80d79d7 YG |
1766 | config NODES_SHIFT |
1767 | int | |
1768 | default "6" | |
1769 | depends on NEED_MULTIPLE_NODES | |
1770 | ||
b4819b59 YY |
1771 | source "mm/Kconfig" |
1772 | ||
1da177e4 LT |
1773 | config SMP |
1774 | bool "Multi-Processing support" | |
e73ea273 | 1775 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 1776 | select IRQ_PER_CPU |
2f304c0a | 1777 | select USE_GENERIC_SMP_HELPERS |
e73ea273 | 1778 | help |
1da177e4 LT |
1779 | This enables support for systems with more than one CPU. If you have |
1780 | a system with only one CPU, like most personal computers, say N. If | |
1781 | you have a system with more than one CPU, say Y. | |
1782 | ||
1783 | If you say N here, the kernel will run on single and multiprocessor | |
1784 | machines, but will use only one CPU of a multiprocessor machine. If | |
1785 | you say Y here, the kernel will run on many, but not all, | |
1786 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1787 | will run faster if you say N here. | |
1788 | ||
1789 | People using multiprocessor machines who say Y here should also say | |
1790 | Y to "Enhanced Real Time Clock Support", below. | |
1791 | ||
03502faa AB |
1792 | See also the SMP-HOWTO available at |
1793 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
1794 | |
1795 | If you don't know what to do here, say N. | |
1796 | ||
87353d8a RB |
1797 | config SMP_UP |
1798 | bool | |
1799 | ||
4a16ff4c RB |
1800 | config SYS_SUPPORTS_MIPS_CMP |
1801 | bool | |
1802 | ||
e73ea273 RB |
1803 | config SYS_SUPPORTS_SMP |
1804 | bool | |
1805 | ||
72ede9b1 AN |
1806 | config NR_CPUS_DEFAULT_1 |
1807 | bool | |
1808 | ||
130e2fb7 RB |
1809 | config NR_CPUS_DEFAULT_2 |
1810 | bool | |
1811 | ||
1812 | config NR_CPUS_DEFAULT_4 | |
1813 | bool | |
1814 | ||
1815 | config NR_CPUS_DEFAULT_8 | |
1816 | bool | |
1817 | ||
1818 | config NR_CPUS_DEFAULT_16 | |
1819 | bool | |
1820 | ||
1821 | config NR_CPUS_DEFAULT_32 | |
1822 | bool | |
1823 | ||
1824 | config NR_CPUS_DEFAULT_64 | |
1825 | bool | |
1826 | ||
1da177e4 LT |
1827 | config NR_CPUS |
1828 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 1829 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 1830 | depends on SMP |
72ede9b1 | 1831 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
1832 | default "2" if NR_CPUS_DEFAULT_2 |
1833 | default "4" if NR_CPUS_DEFAULT_4 | |
1834 | default "8" if NR_CPUS_DEFAULT_8 | |
1835 | default "16" if NR_CPUS_DEFAULT_16 | |
1836 | default "32" if NR_CPUS_DEFAULT_32 | |
1837 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
1838 | help |
1839 | This allows you to specify the maximum number of CPUs which this | |
1840 | kernel will support. The maximum supported value is 32 for 32-bit | |
1841 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
1842 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1843 | and 2 for all others. | |
1da177e4 LT |
1844 | |
1845 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
1846 | approximately eight kilobytes to the kernel image. For best |
1847 | performance should round up your number of processors to the next | |
1848 | power of two. | |
1da177e4 | 1849 | |
c4eee283 AN |
1850 | source "kernel/time/Kconfig" |
1851 | ||
1723b4a3 AN |
1852 | # |
1853 | # Timer Interrupt Frequency Configuration | |
1854 | # | |
1855 | ||
1856 | choice | |
1857 | prompt "Timer frequency" | |
1858 | default HZ_250 | |
1859 | help | |
1860 | Allows the configuration of the timer frequency. | |
1861 | ||
1862 | config HZ_48 | |
0f873585 | 1863 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
1864 | |
1865 | config HZ_100 | |
1866 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1867 | ||
1868 | config HZ_128 | |
1869 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1870 | ||
1871 | config HZ_250 | |
1872 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1873 | ||
1874 | config HZ_256 | |
1875 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1876 | ||
1877 | config HZ_1000 | |
1878 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1879 | ||
1880 | config HZ_1024 | |
1881 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1882 | ||
1883 | endchoice | |
1884 | ||
1885 | config SYS_SUPPORTS_48HZ | |
1886 | bool | |
1887 | ||
1888 | config SYS_SUPPORTS_100HZ | |
1889 | bool | |
1890 | ||
1891 | config SYS_SUPPORTS_128HZ | |
1892 | bool | |
1893 | ||
1894 | config SYS_SUPPORTS_250HZ | |
1895 | bool | |
1896 | ||
1897 | config SYS_SUPPORTS_256HZ | |
1898 | bool | |
1899 | ||
1900 | config SYS_SUPPORTS_1000HZ | |
1901 | bool | |
1902 | ||
1903 | config SYS_SUPPORTS_1024HZ | |
1904 | bool | |
1905 | ||
1906 | config SYS_SUPPORTS_ARBIT_HZ | |
1907 | bool | |
1908 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1909 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1910 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1911 | !SYS_SUPPORTS_1024HZ | |
1912 | ||
1913 | config HZ | |
1914 | int | |
1915 | default 48 if HZ_48 | |
1916 | default 100 if HZ_100 | |
1917 | default 128 if HZ_128 | |
1918 | default 250 if HZ_250 | |
1919 | default 256 if HZ_256 | |
1920 | default 1000 if HZ_1000 | |
1921 | default 1024 if HZ_1024 | |
1922 | ||
e80de850 | 1923 | source "kernel/Kconfig.preempt" |
1da177e4 | 1924 | |
1da177e4 LT |
1925 | config MIPS_INSANE_LARGE |
1926 | bool "Support for large 64-bit configurations" | |
875d43e7 | 1927 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
1928 | help |
1929 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1930 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1931 | need processes of more than 1TB virtual address space, say Y here. | |
1932 | This will result in additional memory usage, so it is not | |
1933 | recommended for normal users. | |
1934 | ||
ea6e942b AN |
1935 | config KEXEC |
1936 | bool "Kexec system call (EXPERIMENTAL)" | |
1937 | depends on EXPERIMENTAL | |
1938 | help | |
1939 | kexec is a system call that implements the ability to shutdown your | |
1940 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 1941 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
1942 | you can start any kernel with it, not just Linux. |
1943 | ||
01dd2fbf | 1944 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
1945 | |
1946 | It is an ongoing process to be certain the hardware in a machine | |
1947 | is properly shutdown, so do not be surprised if this code does not | |
1948 | initially work for you. It may help to enable device hotplugging | |
1949 | support. As of this writing the exact hardware interface is | |
1950 | strongly in flux, so no good recommendation can be made. | |
1951 | ||
1952 | config SECCOMP | |
1953 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 1954 | depends on PROC_FS |
ea6e942b AN |
1955 | default y |
1956 | help | |
1957 | This kernel feature is useful for number crunching applications | |
1958 | that may need to compute untrusted bytecode during their | |
1959 | execution. By using pipes or other transports made available to | |
1960 | the process as file descriptors supporting the read/write | |
1961 | syscalls, it's possible to isolate those applications in | |
1962 | their own address space using seccomp. Once seccomp is | |
1963 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1964 | and the task is only allowed to execute a few safe syscalls | |
1965 | defined by each seccomp mode. | |
1966 | ||
1967 | If unsure, say Y. Only embedded should say N here. | |
1968 | ||
5e83d430 RB |
1969 | endmenu |
1970 | ||
1da177e4 LT |
1971 | config RWSEM_GENERIC_SPINLOCK |
1972 | bool | |
1973 | default y | |
1974 | ||
1df0f0ff AN |
1975 | config LOCKDEP_SUPPORT |
1976 | bool | |
1977 | default y | |
1978 | ||
1979 | config STACKTRACE_SUPPORT | |
1980 | bool | |
1981 | default y | |
1982 | ||
b6c3539b RB |
1983 | source "init/Kconfig" |
1984 | ||
0011036b AN |
1985 | config PROBE_INITRD_HEADER |
1986 | bool "Probe initrd header created by addinitrd" | |
1987 | depends on BLK_DEV_INITRD | |
1988 | help | |
1989 | Probe initrd header at the last page of kernel image. | |
1990 | Say Y here if you are using arch/mips/boot/addinitrd.c to | |
1991 | add initrd or initramfs image to the kernel image. | |
1992 | Otherwise, say N. | |
1993 | ||
dc52ddc0 MH |
1994 | source "kernel/Kconfig.freezer" |
1995 | ||
1da177e4 LT |
1996 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
1997 | ||
5e83d430 RB |
1998 | config HW_HAS_EISA |
1999 | bool | |
1da177e4 LT |
2000 | config HW_HAS_PCI |
2001 | bool | |
2002 | ||
2003 | config PCI | |
2004 | bool "Support for PCI controller" | |
2005 | depends on HW_HAS_PCI | |
abb4ae46 | 2006 | select PCI_DOMAINS |
1da177e4 LT |
2007 | help |
2008 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2009 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2010 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2011 | say Y, otherwise N. | |
2012 | ||
1da177e4 LT |
2013 | config PCI_DOMAINS |
2014 | bool | |
1da177e4 LT |
2015 | |
2016 | source "drivers/pci/Kconfig" | |
2017 | ||
2018 | # | |
2019 | # ISA support is now enabled via select. Too many systems still have the one | |
2020 | # or other ISA chip on the board that users don't know about so don't expect | |
2021 | # users to choose the right thing ... | |
2022 | # | |
2023 | config ISA | |
2024 | bool | |
2025 | ||
2026 | config EISA | |
2027 | bool "EISA support" | |
5e83d430 | 2028 | depends on HW_HAS_EISA |
1da177e4 | 2029 | select ISA |
aa414dff | 2030 | select GENERIC_ISA_DMA |
1da177e4 LT |
2031 | ---help--- |
2032 | The Extended Industry Standard Architecture (EISA) bus was | |
2033 | developed as an open alternative to the IBM MicroChannel bus. | |
2034 | ||
2035 | The EISA bus provided some of the features of the IBM MicroChannel | |
2036 | bus while maintaining backward compatibility with cards made for | |
2037 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2038 | 1995 when it was made obsolete by the PCI bus. | |
2039 | ||
2040 | Say Y here if you are building a kernel for an EISA-based machine. | |
2041 | ||
2042 | Otherwise, say N. | |
2043 | ||
2044 | source "drivers/eisa/Kconfig" | |
2045 | ||
2046 | config TC | |
2047 | bool "TURBOchannel support" | |
2048 | depends on MACH_DECSTATION | |
2049 | help | |
2050 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2051 | processors. Documentation on writing device drivers for TurboChannel | |
2052 | is available at: | |
2053 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
2054 | ||
2055 | #config ACCESSBUS | |
2056 | # bool "Access.Bus support" | |
2057 | # depends on TC | |
2058 | ||
2059 | config MMU | |
2060 | bool | |
2061 | default y | |
2062 | ||
d865bea4 RB |
2063 | config I8253 |
2064 | bool | |
2065 | ||
cce335ae RB |
2066 | config ZONE_DMA32 |
2067 | bool | |
2068 | ||
1da177e4 LT |
2069 | source "drivers/pcmcia/Kconfig" |
2070 | ||
2071 | source "drivers/pci/hotplug/Kconfig" | |
2072 | ||
2073 | endmenu | |
2074 | ||
2075 | menu "Executable file formats" | |
2076 | ||
2077 | source "fs/Kconfig.binfmt" | |
2078 | ||
2079 | config TRAD_SIGNALS | |
2080 | bool | |
1da177e4 | 2081 | |
1da177e4 LT |
2082 | config MIPS32_COMPAT |
2083 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2084 | depends on 64BIT |
1da177e4 LT |
2085 | help |
2086 | Select this option if you want Linux/MIPS 32-bit binary | |
2087 | compatibility. Since all software available for Linux/MIPS is | |
2088 | currently 32-bit you should say Y here. | |
2089 | ||
2090 | config COMPAT | |
2091 | bool | |
2092 | depends on MIPS32_COMPAT | |
2093 | default y | |
2094 | ||
05e43966 AN |
2095 | config SYSVIPC_COMPAT |
2096 | bool | |
2097 | depends on COMPAT && SYSVIPC | |
2098 | default y | |
2099 | ||
1da177e4 LT |
2100 | config MIPS32_O32 |
2101 | bool "Kernel support for o32 binaries" | |
2102 | depends on MIPS32_COMPAT | |
2103 | help | |
2104 | Select this option if you want to run o32 binaries. These are pure | |
2105 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2106 | existing binaries are in this format. | |
2107 | ||
2108 | If unsure, say Y. | |
2109 | ||
2110 | config MIPS32_N32 | |
2111 | bool "Kernel support for n32 binaries" | |
2112 | depends on MIPS32_COMPAT | |
2113 | help | |
2114 | Select this option if you want to run n32 binaries. These are | |
2115 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2116 | data that would normally be 64-bit. They are used in special | |
2117 | cases. | |
2118 | ||
2119 | If unsure, say N. | |
2120 | ||
2121 | config BINFMT_ELF32 | |
2122 | bool | |
2123 | default y if MIPS32_O32 || MIPS32_N32 | |
2124 | ||
2116245e RB |
2125 | endmenu |
2126 | ||
2127 | menu "Power management options" | |
2128 | ||
f4cb5700 JB |
2129 | config ARCH_SUSPEND_POSSIBLE |
2130 | def_bool y | |
2131 | depends on !SMP | |
2132 | ||
2116245e | 2133 | source "kernel/power/Kconfig" |
952fa954 | 2134 | |
1da177e4 LT |
2135 | endmenu |
2136 | ||
d5950b43 SR |
2137 | source "net/Kconfig" |
2138 | ||
1da177e4 LT |
2139 | source "drivers/Kconfig" |
2140 | ||
2141 | source "fs/Kconfig" | |
2142 | ||
2143 | source "arch/mips/Kconfig.debug" | |
2144 | ||
2145 | source "security/Kconfig" | |
2146 | ||
2147 | source "crypto/Kconfig" | |
2148 | ||
2149 | source "lib/Kconfig" |