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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 |
e25bfc92 | 75 | select PCI |
7cf8053b | 76 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 77 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 78 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 79 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 80 | select SYS_SUPPORTS_LITTLE_ENDIAN |
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 |
1da177e4 | 135 | help |
5e83d430 RB |
136 | This a family of machines based on the MIPS R4030 chipset which was |
137 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 138 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
139 | Olivetti M700-10 workstations. |
140 | ||
1f21d2bd BM |
141 | config LASAT |
142 | bool "LASAT Networks platforms" | |
42f77542 | 143 | select CEVT_R4K |
940f6b48 | 144 | select CSRC_R4K |
1f21d2bd BM |
145 | select DMA_NONCOHERENT |
146 | select SYS_HAS_EARLY_PRINTK | |
147 | select HW_HAS_PCI | |
a5ccfe5c | 148 | select IRQ_CPU |
1f21d2bd BM |
149 | select PCI_GT64XXX_PCI0 |
150 | select MIPS_NILE4 | |
151 | select R5000_CPU_SCACHE | |
152 | select SYS_HAS_CPU_R5000 | |
153 | select SYS_SUPPORTS_32BIT_KERNEL | |
154 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
155 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 156 | |
ade299d8 YY |
157 | config LEMOTE_FULONG |
158 | bool "Lemote Fulong mini-PC" | |
159 | select ARCH_SPARSEMEM_ENABLE | |
42f77542 | 160 | select CEVT_R4K |
940f6b48 | 161 | select CSRC_R4K |
ade299d8 YY |
162 | select SYS_HAS_CPU_LOONGSON2 |
163 | select DMA_NONCOHERENT | |
164 | select BOOT_ELF32 | |
165 | select BOARD_SCACHE | |
166 | select HAVE_STD_PC_SERIAL_PORT | |
167 | select HW_HAS_PCI | |
168 | select I8259 | |
169 | select ISA | |
170 | select IRQ_CPU | |
171 | select SYS_SUPPORTS_32BIT_KERNEL | |
172 | select SYS_SUPPORTS_64BIT_KERNEL | |
173 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
174 | select SYS_SUPPORTS_HIGHMEM | |
175 | select SYS_HAS_EARLY_PRINTK | |
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_MALTA |
3fa986fa | 183 | bool "MIPS Malta board" |
61ed242d | 184 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 185 | select BOOT_ELF32 |
fa71c960 | 186 | select BOOT_RAW |
42f77542 | 187 | select CEVT_R4K |
940f6b48 | 188 | select CSRC_R4K |
1da177e4 LT |
189 | select DMA_NONCOHERENT |
190 | select GENERIC_ISA_DMA | |
aa414dff | 191 | select IRQ_CPU |
39b8d525 | 192 | select IRQ_GIC |
1da177e4 | 193 | select HW_HAS_PCI |
d865bea4 | 194 | select I8253 |
1da177e4 | 195 | select I8259 |
5e83d430 RB |
196 | select MIPS_BOARDS_GEN |
197 | select MIPS_BONITO64 | |
9318c51a | 198 | select MIPS_CPU_SCACHE |
252161ec | 199 | select PCI_GT64XXX_PCI0 |
5e83d430 | 200 | select MIPS_MSC |
1da177e4 | 201 | select SWAP_IO_SPACE |
7cf8053b RB |
202 | select SYS_HAS_CPU_MIPS32_R1 |
203 | select SYS_HAS_CPU_MIPS32_R2 | |
204 | select SYS_HAS_CPU_MIPS64_R1 | |
205 | select SYS_HAS_CPU_NEVADA | |
206 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 207 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
208 | select SYS_SUPPORTS_32BIT_KERNEL |
209 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
210 | select SYS_SUPPORTS_BIG_ENDIAN |
211 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
4a16ff4c | 212 | select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken |
f41ae0b2 | 213 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 214 | select SYS_SUPPORTS_SMARTMIPS |
1da177e4 | 215 | help |
f638d197 | 216 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
217 | board. |
218 | ||
5e83d430 | 219 | config MIPS_SIM |
3fa986fa | 220 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 221 | select CEVT_R4K |
940f6b48 | 222 | select CSRC_R4K |
1da177e4 | 223 | select DMA_NONCOHERENT |
36a88530 | 224 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 225 | select IRQ_CPU |
9267a30d | 226 | select BOOT_RAW |
7cf8053b RB |
227 | select SYS_HAS_CPU_MIPS32_R1 |
228 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 229 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 230 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 231 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 232 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 233 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 234 | help |
5e83d430 RB |
235 | This option enables support for MIPS Technologies MIPSsim software |
236 | emulator. | |
1da177e4 | 237 | |
a83860c2 RB |
238 | config NEC_MARKEINS |
239 | bool "NEC EMMA2RH Mark-eins board" | |
240 | select SOC_EMMA2RH | |
241 | select HW_HAS_PCI | |
242 | help | |
243 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 244 | |
5e83d430 | 245 | config MACH_VR41XX |
74142d65 | 246 | bool "NEC VR4100 series based machines" |
42f77542 | 247 | select CEVT_R4K |
940f6b48 | 248 | select CSRC_R4K |
7cf8053b | 249 | select SYS_HAS_CPU_VR41XX |
5e83d430 | 250 | |
edb6310a DL |
251 | config NXP_STB220 |
252 | bool "NXP STB220 board" | |
253 | select SOC_PNX833X | |
254 | help | |
255 | Support for NXP Semiconductors STB220 Development Board. | |
256 | ||
257 | config NXP_STB225 | |
258 | bool "NXP 225 board" | |
259 | select SOC_PNX833X | |
260 | select SOC_PNX8335 | |
261 | help | |
262 | Support for NXP Semiconductors STB225 Development Board. | |
263 | ||
ade299d8 | 264 | config PNX8550_JBS |
a92b0588 | 265 | bool "NXP PNX8550 based JBS board" |
ade299d8 YY |
266 | select PNX8550 |
267 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
268 | ||
269 | config PNX8550_STB810 | |
a92b0588 | 270 | bool "NXP PNX8550 based STB810 board" |
ade299d8 YY |
271 | select PNX8550 |
272 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
273 | ||
9267a30d MSJ |
274 | config PMC_MSP |
275 | bool "PMC-Sierra MSP chipsets" | |
276 | depends on EXPERIMENTAL | |
277 | select DMA_NONCOHERENT | |
278 | select SWAP_IO_SPACE | |
279 | select NO_EXCEPT_FILL | |
280 | select BOOT_RAW | |
281 | select SYS_HAS_CPU_MIPS32_R1 | |
282 | select SYS_HAS_CPU_MIPS32_R2 | |
283 | select SYS_SUPPORTS_32BIT_KERNEL | |
284 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
285 | select IRQ_CPU |
286 | select SERIAL_8250 | |
287 | select SERIAL_8250_CONSOLE | |
288 | help | |
289 | This adds support for the PMC-Sierra family of Multi-Service | |
290 | Processor System-On-A-Chips. These parts include a number | |
291 | of integrated peripherals, interfaces and DSPs in addition to | |
292 | a variety of MIPS cores. | |
293 | ||
5e83d430 | 294 | config PMC_YOSEMITE |
3fa986fa | 295 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 296 | select CEVT_R4K |
940f6b48 | 297 | select CSRC_R4K |
5e83d430 RB |
298 | select DMA_COHERENT |
299 | select HW_HAS_PCI | |
300 | select IRQ_CPU | |
301 | select IRQ_CPU_RM7K | |
302 | select IRQ_CPU_RM9K | |
303 | select SWAP_IO_SPACE | |
7cf8053b | 304 | select SYS_HAS_CPU_RM9000 |
36a88530 | 305 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
306 | select SYS_SUPPORTS_32BIT_KERNEL |
307 | select SYS_SUPPORTS_64BIT_KERNEL | |
308 | select SYS_SUPPORTS_BIG_ENDIAN | |
309 | select SYS_SUPPORTS_HIGHMEM | |
e73ea273 | 310 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
311 | help |
312 | Yosemite is an evaluation board for the RM9000x2 processor | |
313 | manufactured by PMC-Sierra. | |
1da177e4 | 314 | |
1da177e4 | 315 | config SGI_IP22 |
3fa986fa | 316 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
317 | select ARC |
318 | select ARC32 | |
319 | select BOOT_ELF32 | |
42f77542 | 320 | select CEVT_R4K |
940f6b48 | 321 | select CSRC_R4K |
e2defae5 | 322 | select DEFAULT_SGI_PARTITION |
1da177e4 | 323 | select DMA_NONCOHERENT |
5e83d430 | 324 | select HW_HAS_EISA |
d865bea4 | 325 | select I8253 |
68de4803 | 326 | select I8259 |
1da177e4 LT |
327 | select IP22_CPU_SCACHE |
328 | select IRQ_CPU | |
aa414dff | 329 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
330 | select SGI_HAS_I8042 |
331 | select SGI_HAS_INDYDOG | |
36e5c21d | 332 | select SGI_HAS_HAL2 |
e2defae5 TB |
333 | select SGI_HAS_SEEQ |
334 | select SGI_HAS_WD93 | |
335 | select SGI_HAS_ZILOG | |
1da177e4 | 336 | select SWAP_IO_SPACE |
7cf8053b RB |
337 | select SYS_HAS_CPU_R4X00 |
338 | select SYS_HAS_CPU_R5000 | |
36a88530 | 339 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
340 | select SYS_SUPPORTS_32BIT_KERNEL |
341 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 342 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
343 | help |
344 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
345 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
346 | that runs on these, say Y here. | |
347 | ||
348 | config SGI_IP27 | |
3fa986fa | 349 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
350 | select ARC |
351 | select ARC64 | |
5e83d430 | 352 | select BOOT_ELF64 |
e2defae5 | 353 | select DEFAULT_SGI_PARTITION |
634286f1 | 354 | select DMA_COHERENT |
36a88530 | 355 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 356 | select HW_HAS_PCI |
130e2fb7 | 357 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 358 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 359 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 360 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 361 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 362 | select SYS_SUPPORTS_SMP |
1da177e4 LT |
363 | help |
364 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
365 | workstations. To compile a Linux kernel that runs on these, say Y | |
366 | here. | |
367 | ||
e2defae5 TB |
368 | config SGI_IP28 |
369 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
370 | depends on EXPERIMENTAL | |
371 | select ARC | |
372 | select ARC64 | |
373 | select BOOT_ELF64 | |
374 | select CEVT_R4K | |
375 | select CSRC_R4K | |
376 | select DEFAULT_SGI_PARTITION | |
377 | select DMA_NONCOHERENT | |
378 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
379 | select IRQ_CPU | |
380 | select HW_HAS_EISA | |
381 | select I8253 | |
382 | select I8259 | |
e2defae5 TB |
383 | select SGI_HAS_I8042 |
384 | select SGI_HAS_INDYDOG | |
5b438c44 | 385 | select SGI_HAS_HAL2 |
e2defae5 TB |
386 | select SGI_HAS_SEEQ |
387 | select SGI_HAS_WD93 | |
388 | select SGI_HAS_ZILOG | |
389 | select SWAP_IO_SPACE | |
390 | select SYS_HAS_CPU_R10000 | |
391 | select SYS_HAS_EARLY_PRINTK | |
392 | select SYS_SUPPORTS_64BIT_KERNEL | |
393 | select SYS_SUPPORTS_BIG_ENDIAN | |
394 | help | |
395 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
396 | kernel that runs on these, say Y here. | |
397 | ||
1da177e4 | 398 | config SGI_IP32 |
cfd2afc0 | 399 | bool "SGI IP32 (O2)" |
1da177e4 LT |
400 | select ARC |
401 | select ARC32 | |
402 | select BOOT_ELF32 | |
42f77542 | 403 | select CEVT_R4K |
940f6b48 | 404 | select CSRC_R4K |
1da177e4 LT |
405 | select DMA_NONCOHERENT |
406 | select HW_HAS_PCI | |
dd67b155 | 407 | select IRQ_CPU |
1da177e4 LT |
408 | select R5000_CPU_SCACHE |
409 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
410 | select SYS_HAS_CPU_R5000 |
411 | select SYS_HAS_CPU_R10000 if BROKEN | |
412 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 413 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 414 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 415 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 416 | help |
5e83d430 | 417 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 418 | |
ade299d8 YY |
419 | config SIBYTE_CRHINE |
420 | bool "Sibyte BCM91120C-CRhine" | |
421 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
422 | select BOOT_ELF32 |
423 | select DMA_COHERENT | |
ade299d8 | 424 | select SIBYTE_BCM1120 |
9a6dcea1 | 425 | select SWAP_IO_SPACE |
7cf8053b | 426 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
427 | select SYS_SUPPORTS_BIG_ENDIAN |
428 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
429 | ||
ade299d8 YY |
430 | config SIBYTE_CARMEL |
431 | bool "Sibyte BCM91120x-Carmel" | |
432 | depends on EXPERIMENTAL | |
5e83d430 | 433 | select BOOT_ELF32 |
1da177e4 | 434 | select DMA_COHERENT |
ade299d8 | 435 | select SIBYTE_BCM1120 |
5e83d430 | 436 | select SWAP_IO_SPACE |
7cf8053b | 437 | select SYS_HAS_CPU_SB1 |
81731f79 | 438 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 439 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 440 | |
ade299d8 YY |
441 | config SIBYTE_CRHONE |
442 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
443 | depends on EXPERIMENTAL |
444 | select BOOT_ELF32 | |
445 | select DMA_COHERENT | |
ade299d8 | 446 | select SIBYTE_BCM1125 |
5e83d430 | 447 | select SWAP_IO_SPACE |
7cf8053b | 448 | select SYS_HAS_CPU_SB1 |
5e83d430 | 449 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 450 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 451 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 452 | |
5e83d430 | 453 | config SIBYTE_RHONE |
3fa986fa | 454 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
455 | depends on EXPERIMENTAL |
456 | select BOOT_ELF32 | |
457 | select DMA_COHERENT | |
458 | select SIBYTE_BCM1125H | |
459 | select SWAP_IO_SPACE | |
7cf8053b | 460 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
461 | select SYS_SUPPORTS_BIG_ENDIAN |
462 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 463 | |
ade299d8 YY |
464 | config SIBYTE_SWARM |
465 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 466 | select BOOT_ELF32 |
26a940e2 | 467 | select DMA_COHERENT |
ade299d8 YY |
468 | select NR_CPUS_DEFAULT_2 |
469 | select SIBYTE_SB1250 | |
5e83d430 | 470 | select SWAP_IO_SPACE |
7cf8053b | 471 | select SYS_HAS_CPU_SB1 |
5e83d430 | 472 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 473 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 474 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 475 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 476 | |
ade299d8 YY |
477 | config SIBYTE_LITTLESUR |
478 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
479 | depends on EXPERIMENTAL |
480 | select BOOT_ELF32 | |
481 | select DMA_COHERENT | |
130e2fb7 | 482 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
483 | select SIBYTE_SB1250 |
484 | select SWAP_IO_SPACE | |
7cf8053b | 485 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
486 | select SYS_SUPPORTS_BIG_ENDIAN |
487 | select SYS_SUPPORTS_HIGHMEM | |
488 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 489 | |
ade299d8 YY |
490 | config SIBYTE_SENTOSA |
491 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
492 | depends on EXPERIMENTAL |
493 | select BOOT_ELF32 | |
494 | select DMA_COHERENT | |
130e2fb7 | 495 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
496 | select SIBYTE_SB1250 |
497 | select SWAP_IO_SPACE | |
7cf8053b | 498 | select SYS_HAS_CPU_SB1 |
5e83d430 | 499 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 500 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 501 | |
ade299d8 YY |
502 | config SIBYTE_BIGSUR |
503 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
504 | select BOOT_ELF32 |
505 | select DMA_COHERENT | |
ade299d8 | 506 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 507 | select SIBYTE_BCM1x80 |
5e83d430 | 508 | select SWAP_IO_SPACE |
7cf8053b | 509 | select SYS_HAS_CPU_SB1 |
5e83d430 | 510 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 511 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 512 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 513 | select ZONE_DMA32 if 64BIT |
1da177e4 | 514 | |
14b36af4 TB |
515 | config SNI_RM |
516 | bool "SNI RM200/300/400" | |
4a0312fc TB |
517 | select ARC if CPU_LITTLE_ENDIAN |
518 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 519 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 520 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 521 | select BOOT_ELF32 |
42f77542 | 522 | select CEVT_R4K |
940f6b48 | 523 | select CSRC_R4K |
e2defae5 | 524 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
525 | select DMA_NONCOHERENT |
526 | select GENERIC_ISA_DMA | |
5e83d430 | 527 | select HW_HAS_EISA |
1da177e4 | 528 | select HW_HAS_PCI |
c066a32a | 529 | select IRQ_CPU |
d865bea4 | 530 | select I8253 |
1da177e4 LT |
531 | select I8259 |
532 | select ISA | |
4a0312fc | 533 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 534 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 535 | select SYS_HAS_CPU_R5000 |
c066a32a | 536 | select SYS_HAS_CPU_R10000 |
4a0312fc | 537 | select R5000_CPU_SCACHE |
36a88530 | 538 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
539 | select SYS_SUPPORTS_32BIT_KERNEL |
540 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 541 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 542 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 543 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 544 | help |
14b36af4 TB |
545 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
546 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
547 | Technology and now in turn merged with Fujitsu. Say Y here to |
548 | support this machine type. | |
549 | ||
edcaf1a6 AN |
550 | config MACH_TX39XX |
551 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 552 | |
edcaf1a6 AN |
553 | config MACH_TX49XX |
554 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 555 | |
73b4390f RB |
556 | config MIKROTIK_RB532 |
557 | bool "Mikrotik RB532 boards" | |
558 | select CEVT_R4K | |
559 | select CSRC_R4K | |
560 | select DMA_NONCOHERENT | |
73b4390f RB |
561 | select HW_HAS_PCI |
562 | select IRQ_CPU | |
563 | select SYS_HAS_CPU_MIPS32_R1 | |
564 | select SYS_SUPPORTS_32BIT_KERNEL | |
565 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
566 | select SWAP_IO_SPACE | |
567 | select BOOT_RAW | |
d888e25b | 568 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
569 | help |
570 | Support the Mikrotik(tm) RouterBoard 532 series, | |
571 | based on the IDT RC32434 SoC. | |
572 | ||
ade299d8 YY |
573 | config WR_PPMC |
574 | bool "Wind River PPMC board" | |
42f77542 | 575 | select CEVT_R4K |
940f6b48 | 576 | select CSRC_R4K |
ade299d8 YY |
577 | select IRQ_CPU |
578 | select BOOT_ELF32 | |
579 | select DMA_NONCOHERENT | |
580 | select HW_HAS_PCI | |
581 | select PCI_GT64XXX_PCI0 | |
582 | select SWAP_IO_SPACE | |
583 | select SYS_HAS_CPU_MIPS32_R1 | |
584 | select SYS_HAS_CPU_MIPS32_R2 | |
585 | select SYS_HAS_CPU_MIPS64_R1 | |
586 | select SYS_HAS_CPU_NEVADA | |
587 | select SYS_HAS_CPU_RM7000 | |
588 | select SYS_SUPPORTS_32BIT_KERNEL | |
589 | select SYS_SUPPORTS_64BIT_KERNEL | |
590 | select SYS_SUPPORTS_BIG_ENDIAN | |
591 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
592 | help | |
593 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
594 | board, which is based on GT64120 bridge chip. | |
595 | ||
a86c7f72 | 596 | config CAVIUM_OCTEON_SIMULATOR |
c9d89d97 | 597 | bool "Cavium Networks Octeon Simulator" |
a86c7f72 DD |
598 | select CEVT_R4K |
599 | select 64BIT_PHYS_ADDR | |
600 | select DMA_COHERENT | |
601 | select SYS_SUPPORTS_64BIT_KERNEL | |
602 | select SYS_SUPPORTS_BIG_ENDIAN | |
603 | select SYS_SUPPORTS_HIGHMEM | |
5e683389 | 604 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
605 | help |
606 | The Octeon simulator is software performance model of the Cavium | |
607 | Octeon Processor. It supports simulating Octeon processors on x86 | |
608 | hardware. | |
609 | ||
610 | config CAVIUM_OCTEON_REFERENCE_BOARD | |
c9d89d97 | 611 | bool "Cavium Networks Octeon reference board" |
a86c7f72 DD |
612 | select CEVT_R4K |
613 | select 64BIT_PHYS_ADDR | |
614 | select DMA_COHERENT | |
615 | select SYS_SUPPORTS_64BIT_KERNEL | |
616 | select SYS_SUPPORTS_BIG_ENDIAN | |
617 | select SYS_SUPPORTS_HIGHMEM | |
618 | select SYS_HAS_EARLY_PRINTK | |
5e683389 | 619 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
620 | select SWAP_IO_SPACE |
621 | help | |
622 | This option supports all of the Octeon reference boards from Cavium | |
623 | Networks. It builds a kernel that dynamically determines the Octeon | |
624 | CPU type and supports all known board reference implementations. | |
625 | Some of the supported boards are: | |
626 | EBT3000 | |
627 | EBH3000 | |
628 | EBH3100 | |
629 | Thunder | |
630 | Kodama | |
631 | Hikari | |
632 | Say Y here for most Octeon reference boards. | |
633 | ||
5e83d430 | 634 | endchoice |
1da177e4 | 635 | |
e8c7c482 | 636 | source "arch/mips/alchemy/Kconfig" |
9c746edb | 637 | source "arch/mips/basler/excite/Kconfig" |
5e83d430 | 638 | source "arch/mips/jazz/Kconfig" |
1f21d2bd | 639 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 640 | source "arch/mips/pmc-sierra/Kconfig" |
29c48699 | 641 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 642 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 643 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 644 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 645 | source "arch/mips/cavium-octeon/Kconfig" |
38b18f72 | 646 | |
5e83d430 RB |
647 | endmenu |
648 | ||
1da177e4 LT |
649 | config RWSEM_GENERIC_SPINLOCK |
650 | bool | |
651 | default y | |
652 | ||
653 | config RWSEM_XCHGADD_ALGORITHM | |
654 | bool | |
655 | ||
f0d1b0b3 DH |
656 | config ARCH_HAS_ILOG2_U32 |
657 | bool | |
658 | default n | |
659 | ||
660 | config ARCH_HAS_ILOG2_U64 | |
661 | bool | |
662 | default n | |
663 | ||
00a58253 RB |
664 | config ARCH_SUPPORTS_OPROFILE |
665 | bool | |
666 | default y if !MIPS_MT_SMTC | |
667 | ||
3c9ee7ef AM |
668 | config GENERIC_FIND_NEXT_BIT |
669 | bool | |
670 | default y | |
671 | ||
672 | config GENERIC_HWEIGHT | |
673 | bool | |
674 | default y | |
675 | ||
1da177e4 LT |
676 | config GENERIC_CALIBRATE_DELAY |
677 | bool | |
678 | default y | |
679 | ||
7bcf7717 RB |
680 | config GENERIC_CLOCKEVENTS |
681 | bool | |
682 | default y | |
683 | ||
8db02010 RB |
684 | config GENERIC_TIME |
685 | bool | |
686 | default y | |
687 | ||
f5ff0a28 RB |
688 | config GENERIC_CMOS_UPDATE |
689 | bool | |
690 | default y | |
691 | ||
ae1e9130 | 692 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
693 | bool |
694 | default y | |
695 | ||
e77c232c | 696 | config GENERIC_HARDIRQS_NO__DO_IRQ |
c87e0909 | 697 | def_bool y |
e77c232c | 698 | |
1da177e4 LT |
699 | # |
700 | # Select some configuration options automatically based on user selections. | |
701 | # | |
702 | config ARC | |
703 | bool | |
1da177e4 | 704 | |
61ed242d RB |
705 | config ARCH_MAY_HAVE_PC_FDC |
706 | bool | |
707 | ||
9267a30d MSJ |
708 | config BOOT_RAW |
709 | bool | |
710 | ||
217dd11e RB |
711 | config CEVT_BCM1480 |
712 | bool | |
713 | ||
6457d9fc YY |
714 | config CEVT_DS1287 |
715 | bool | |
716 | ||
1097c6ac YY |
717 | config CEVT_GT641XX |
718 | bool | |
719 | ||
779e7d41 ML |
720 | config CEVT_R4K_LIB |
721 | bool | |
722 | ||
42f77542 | 723 | config CEVT_R4K |
779e7d41 | 724 | select CEVT_R4K_LIB |
42f77542 RB |
725 | bool |
726 | ||
217dd11e RB |
727 | config CEVT_SB1250 |
728 | bool | |
729 | ||
229f773e AN |
730 | config CEVT_TXX9 |
731 | bool | |
732 | ||
217dd11e RB |
733 | config CSRC_BCM1480 |
734 | bool | |
735 | ||
4247417d YY |
736 | config CSRC_IOASIC |
737 | bool | |
738 | ||
779e7d41 ML |
739 | config CSRC_R4K_LIB |
740 | bool | |
741 | ||
940f6b48 | 742 | config CSRC_R4K |
779e7d41 | 743 | select CSRC_R4K_LIB |
940f6b48 RB |
744 | bool |
745 | ||
217dd11e RB |
746 | config CSRC_SB1250 |
747 | bool | |
748 | ||
a9aec7fe AN |
749 | config GPIO_TXX9 |
750 | select GENERIC_GPIO | |
7444a72e | 751 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
752 | bool |
753 | ||
df78b5c8 AJ |
754 | config CFE |
755 | bool | |
756 | ||
4ce588cd | 757 | config DMA_COHERENT |
1da177e4 LT |
758 | bool |
759 | ||
4ce588cd RB |
760 | config DMA_NONCOHERENT |
761 | bool | |
762 | select DMA_NEED_PCI_MAP_STATE | |
763 | ||
764 | config DMA_NEED_PCI_MAP_STATE | |
1da177e4 LT |
765 | bool |
766 | ||
767 | config EARLY_PRINTK | |
36a88530 RB |
768 | bool "Early printk" if EMBEDDED && DEBUG_KERNEL |
769 | depends on SYS_HAS_EARLY_PRINTK | |
770 | default y | |
771 | help | |
772 | This option enables special console drivers which allow the kernel | |
773 | to print messages very early in the bootup process. | |
774 | ||
775 | This is useful for kernel debugging when your machine crashes very | |
490dcc4d RD |
776 | early before the console code is initialized. For normal operation, |
777 | it is not recommended because it looks ugly on some machines and | |
778 | doesn't cooperate with an X server. You should normally say N here, | |
36a88530 RB |
779 | unless you want to debug such a crash. |
780 | ||
781 | config SYS_HAS_EARLY_PRINTK | |
1da177e4 | 782 | bool |
1da177e4 | 783 | |
dbb74540 RB |
784 | config HOTPLUG_CPU |
785 | bool | |
786 | default n | |
787 | ||
1da177e4 LT |
788 | config I8259 |
789 | bool | |
1da177e4 | 790 | |
1da177e4 LT |
791 | config MIPS_BONITO64 |
792 | bool | |
1da177e4 LT |
793 | |
794 | config MIPS_MSC | |
795 | bool | |
1da177e4 | 796 | |
1f21d2bd BM |
797 | config MIPS_NILE4 |
798 | bool | |
799 | ||
1da177e4 LT |
800 | config MIPS_DISABLE_OBSOLETE_IDE |
801 | bool | |
802 | ||
39b8d525 RB |
803 | config SYNC_R4K |
804 | bool | |
805 | ||
d388d685 MR |
806 | config NO_IOPORT |
807 | def_bool n | |
808 | ||
8313da30 RB |
809 | config GENERIC_ISA_DMA |
810 | bool | |
811 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
812 | ||
aa414dff RB |
813 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
814 | bool | |
8313da30 | 815 | select GENERIC_ISA_DMA |
aa414dff | 816 | |
09663335 YY |
817 | config GENERIC_GPIO |
818 | bool | |
819 | ||
5e83d430 | 820 | # |
3cb2fccc | 821 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
822 | # answer,so we try hard to limit the available choices. Also the use of a |
823 | # choice statement should be more obvious to the user. | |
824 | # | |
825 | choice | |
826 | prompt "Endianess selection" | |
1da177e4 LT |
827 | help |
828 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 829 | byte order. These modes require different kernels and a different |
3cb2fccc | 830 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 831 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 832 | one or the other endianness. |
5e83d430 RB |
833 | |
834 | config CPU_BIG_ENDIAN | |
835 | bool "Big endian" | |
836 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
837 | ||
838 | config CPU_LITTLE_ENDIAN | |
839 | bool "Little endian" | |
840 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
841 | help | |
842 | ||
843 | endchoice | |
844 | ||
2116245e RB |
845 | config SYS_SUPPORTS_APM_EMULATION |
846 | bool | |
847 | ||
5e83d430 RB |
848 | config SYS_SUPPORTS_BIG_ENDIAN |
849 | bool | |
850 | ||
851 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
852 | bool | |
1da177e4 LT |
853 | |
854 | config IRQ_CPU | |
855 | bool | |
856 | ||
857 | config IRQ_CPU_RM7K | |
858 | bool | |
859 | ||
5e83d430 RB |
860 | config IRQ_CPU_RM9K |
861 | bool | |
862 | ||
9267a30d MSJ |
863 | config IRQ_MSP_SLP |
864 | bool | |
865 | ||
866 | config IRQ_MSP_CIC | |
867 | bool | |
868 | ||
8420fd00 AN |
869 | config IRQ_TXX9 |
870 | bool | |
871 | ||
d5ab1a69 YY |
872 | config IRQ_GT641XX |
873 | bool | |
874 | ||
39b8d525 RB |
875 | config IRQ_GIC |
876 | bool | |
877 | ||
a86c7f72 DD |
878 | config IRQ_CPU_OCTEON |
879 | bool | |
880 | ||
1da177e4 LT |
881 | config MIPS_BOARDS_GEN |
882 | bool | |
1da177e4 | 883 | |
252161ec | 884 | config PCI_GT64XXX_PCI0 |
1da177e4 | 885 | bool |
1da177e4 | 886 | |
9267a30d MSJ |
887 | config NO_EXCEPT_FILL |
888 | bool | |
889 | ||
663c3d90 | 890 | config MIPS_RM9122 |
891 | bool | |
892 | select SERIAL_RM9000 | |
663c3d90 | 893 | |
a83860c2 RB |
894 | config SOC_EMMA2RH |
895 | bool | |
896 | select CEVT_R4K | |
897 | select CSRC_R4K | |
898 | select DMA_NONCOHERENT | |
899 | select IRQ_CPU | |
900 | select SWAP_IO_SPACE | |
901 | select SYS_HAS_CPU_R5500 | |
902 | select SYS_SUPPORTS_32BIT_KERNEL | |
903 | select SYS_SUPPORTS_64BIT_KERNEL | |
904 | select SYS_SUPPORTS_BIG_ENDIAN | |
905 | ||
edb6310a DL |
906 | config SOC_PNX833X |
907 | bool | |
908 | select CEVT_R4K | |
909 | select CSRC_R4K | |
910 | select IRQ_CPU | |
911 | select DMA_NONCOHERENT | |
912 | select SYS_HAS_CPU_MIPS32_R2 | |
913 | select SYS_SUPPORTS_32BIT_KERNEL | |
914 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
915 | select SYS_SUPPORTS_BIG_ENDIAN | |
edb6310a DL |
916 | select GENERIC_GPIO |
917 | select CPU_MIPSR2_IRQ_VI | |
918 | ||
919 | config SOC_PNX8335 | |
920 | bool | |
921 | select SOC_PNX833X | |
922 | ||
bdf21b18 PP |
923 | config PNX8550 |
924 | bool | |
925 | select SOC_PNX8550 | |
926 | ||
927 | config SOC_PNX8550 | |
928 | bool | |
bdf21b18 PP |
929 | select DMA_NONCOHERENT |
930 | select HW_HAS_PCI | |
b8c2a77c | 931 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 932 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 933 | select SYS_SUPPORTS_32BIT_KERNEL |
4ead1681 | 934 | select GENERIC_GPIO |
bdf21b18 | 935 | |
1da177e4 LT |
936 | config SWAP_IO_SPACE |
937 | bool | |
938 | ||
663c3d90 | 939 | config SERIAL_RM9000 |
940 | bool | |
941 | ||
e2defae5 TB |
942 | config SGI_HAS_INDYDOG |
943 | bool | |
944 | ||
5b438c44 TB |
945 | config SGI_HAS_HAL2 |
946 | bool | |
947 | ||
e2defae5 TB |
948 | config SGI_HAS_SEEQ |
949 | bool | |
950 | ||
951 | config SGI_HAS_WD93 | |
952 | bool | |
953 | ||
954 | config SGI_HAS_ZILOG | |
955 | bool | |
956 | ||
957 | config SGI_HAS_I8042 | |
958 | bool | |
959 | ||
960 | config DEFAULT_SGI_PARTITION | |
961 | bool | |
962 | ||
5e83d430 RB |
963 | config ARC32 |
964 | bool | |
965 | ||
231a35d3 TB |
966 | config SNIPROM |
967 | bool | |
968 | ||
1da177e4 LT |
969 | config BOOT_ELF32 |
970 | bool | |
1da177e4 LT |
971 | |
972 | config MIPS_L1_CACHE_SHIFT | |
973 | int | |
73b4390f | 974 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 |
a86c7f72 | 975 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
9267a30d | 976 | default "4" if PMC_MSP4200_EVAL |
1da177e4 LT |
977 | default "5" |
978 | ||
1da177e4 LT |
979 | config HAVE_STD_PC_SERIAL_PORT |
980 | bool | |
981 | ||
1da177e4 LT |
982 | config ARC_CONSOLE |
983 | bool "ARC console support" | |
e2defae5 | 984 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
985 | |
986 | config ARC_MEMORY | |
987 | bool | |
14b36af4 | 988 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
989 | default y |
990 | ||
991 | config ARC_PROMLIB | |
992 | bool | |
e2defae5 | 993 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
994 | default y |
995 | ||
996 | config ARC64 | |
997 | bool | |
1da177e4 LT |
998 | |
999 | config BOOT_ELF64 | |
1000 | bool | |
1da177e4 | 1001 | |
1da177e4 LT |
1002 | menu "CPU selection" |
1003 | ||
1004 | choice | |
1005 | prompt "CPU type" | |
1006 | default CPU_R4X00 | |
1007 | ||
2a21c730 FZ |
1008 | config CPU_LOONGSON2 |
1009 | bool "Loongson 2" | |
1010 | depends on SYS_HAS_CPU_LOONGSON2 | |
1011 | select CPU_SUPPORTS_32BIT_KERNEL | |
1012 | select CPU_SUPPORTS_64BIT_KERNEL | |
1013 | select CPU_SUPPORTS_HIGHMEM | |
1014 | help | |
1015 | The Loongson 2E processor implements the MIPS III instruction set | |
1016 | with many extensions. | |
1017 | ||
6e760c8d RB |
1018 | config CPU_MIPS32_R1 |
1019 | bool "MIPS32 Release 1" | |
7cf8053b | 1020 | depends on SYS_HAS_CPU_MIPS32_R1 |
f7062ddb | 1021 | select CPU_HAS_LLSC |
6e760c8d | 1022 | select CPU_HAS_PREFETCH |
797798c1 | 1023 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1024 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1025 | help |
5e83d430 | 1026 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1027 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1028 | MIPS processor are based on a MIPS32 processor. If you know the | |
1029 | specific type of processor in your system, choose those that one | |
1030 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1031 | Release 2 of the MIPS32 architecture is available since several | |
1032 | years so chances are you even have a MIPS32 Release 2 processor | |
1033 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1034 | performance. | |
1035 | ||
1036 | config CPU_MIPS32_R2 | |
1037 | bool "MIPS32 Release 2" | |
7cf8053b | 1038 | depends on SYS_HAS_CPU_MIPS32_R2 |
f7062ddb | 1039 | select CPU_HAS_LLSC |
1e5f1caa | 1040 | select CPU_HAS_PREFETCH |
797798c1 | 1041 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1042 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1043 | help |
5e83d430 | 1044 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1045 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1046 | MIPS processor are based on a MIPS32 processor. If you know the | |
1047 | specific type of processor in your system, choose those that one | |
1048 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1049 | ||
1050 | config CPU_MIPS64_R1 | |
1051 | bool "MIPS64 Release 1" | |
7cf8053b | 1052 | depends on SYS_HAS_CPU_MIPS64_R1 |
f7062ddb | 1053 | select CPU_HAS_LLSC |
797798c1 | 1054 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1055 | select CPU_SUPPORTS_32BIT_KERNEL |
1056 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1057 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d RB |
1058 | help |
1059 | Choose this option to build a kernel for release 1 or later of the | |
1060 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1061 | MIPS processor are based on a MIPS64 processor. If you know the | |
1062 | specific type of processor in your system, choose those that one | |
1063 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1064 | Release 2 of the MIPS64 architecture is available since several |
1065 | years so chances are you even have a MIPS64 Release 2 processor | |
1066 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1067 | performance. | |
1068 | ||
1069 | config CPU_MIPS64_R2 | |
1070 | bool "MIPS64 Release 2" | |
7cf8053b | 1071 | depends on SYS_HAS_CPU_MIPS64_R2 |
f7062ddb | 1072 | select CPU_HAS_LLSC |
797798c1 | 1073 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1074 | select CPU_SUPPORTS_32BIT_KERNEL |
1075 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1076 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa RB |
1077 | help |
1078 | Choose this option to build a kernel for release 2 or later of the | |
1079 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1080 | MIPS processor are based on a MIPS64 processor. If you know the | |
1081 | specific type of processor in your system, choose those that one | |
1082 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1083 | |
1084 | config CPU_R3000 | |
1085 | bool "R3000" | |
7cf8053b | 1086 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1087 | select CPU_HAS_WB |
ed5ba2fb | 1088 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1089 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1090 | help |
1091 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1092 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1093 | *not* work on R4000 machines and vice versa. However, since most | |
1094 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1095 | might be a safe bet. If the resulting kernel does not work, | |
1096 | try to recompile with R3000. | |
1097 | ||
1098 | config CPU_TX39XX | |
1099 | bool "R39XX" | |
7cf8053b | 1100 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1101 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1102 | |
1103 | config CPU_VR41XX | |
1104 | bool "R41xx" | |
7cf8053b | 1105 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1106 | select CPU_SUPPORTS_32BIT_KERNEL |
1107 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1108 | help |
5e83d430 | 1109 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1110 | Only choose this option if you have one of these processors as a |
1111 | kernel built with this option will not run on any other type of | |
1112 | processor or vice versa. | |
1113 | ||
1114 | config CPU_R4300 | |
1115 | bool "R4300" | |
7cf8053b | 1116 | depends on SYS_HAS_CPU_R4300 |
f7062ddb | 1117 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1118 | select CPU_SUPPORTS_32BIT_KERNEL |
1119 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1120 | help |
1121 | MIPS Technologies R4300-series processors. | |
1122 | ||
1123 | config CPU_R4X00 | |
1124 | bool "R4x00" | |
7cf8053b | 1125 | depends on SYS_HAS_CPU_R4X00 |
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 R4000-series processors other than 4300, including | |
1131 | the R4000, R4400, R4600, and 4700. | |
1132 | ||
1133 | config CPU_TX49XX | |
1134 | bool "R49XX" | |
7cf8053b | 1135 | depends on SYS_HAS_CPU_TX49XX |
f7062ddb | 1136 | select CPU_HAS_LLSC |
de862b48 | 1137 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1138 | select CPU_SUPPORTS_32BIT_KERNEL |
1139 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1140 | |
1141 | config CPU_R5000 | |
1142 | bool "R5000" | |
7cf8053b | 1143 | depends on SYS_HAS_CPU_R5000 |
f7062ddb | 1144 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1145 | select CPU_SUPPORTS_32BIT_KERNEL |
1146 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1147 | help |
1148 | MIPS Technologies R5000-series processors other than the Nevada. | |
1149 | ||
1150 | config CPU_R5432 | |
1151 | bool "R5432" | |
7cf8053b | 1152 | depends on SYS_HAS_CPU_R5432 |
f7062ddb | 1153 | select CPU_HAS_LLSC |
5e83d430 RB |
1154 | select CPU_SUPPORTS_32BIT_KERNEL |
1155 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1156 | |
542c1020 SK |
1157 | config CPU_R5500 |
1158 | bool "R5500" | |
1159 | depends on SYS_HAS_CPU_R5500 | |
1160 | select CPU_HAS_LLSC | |
1161 | select CPU_SUPPORTS_32BIT_KERNEL | |
1162 | select CPU_SUPPORTS_64BIT_KERNEL | |
1163 | help | |
1164 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1165 | instruction set. | |
1166 | ||
1da177e4 LT |
1167 | config CPU_R6000 |
1168 | bool "R6000" | |
ed5ba2fb | 1169 | depends on EXPERIMENTAL |
f7062ddb | 1170 | select CPU_HAS_LLSC |
7cf8053b | 1171 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1172 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1173 | help |
1174 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1175 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1176 | |
1177 | config CPU_NEVADA | |
1178 | bool "RM52xx" | |
7cf8053b | 1179 | depends on SYS_HAS_CPU_NEVADA |
f7062ddb | 1180 | select CPU_HAS_LLSC |
ed5ba2fb YY |
1181 | select CPU_SUPPORTS_32BIT_KERNEL |
1182 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1183 | help |
1184 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1185 | ||
1186 | config CPU_R8000 | |
1187 | bool "R8000" | |
ed5ba2fb | 1188 | depends on EXPERIMENTAL |
7cf8053b | 1189 | depends on SYS_HAS_CPU_R8000 |
f7062ddb | 1190 | select CPU_HAS_LLSC |
5e83d430 | 1191 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1192 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1193 | help |
1194 | MIPS Technologies R8000 processors. Note these processors are | |
1195 | uncommon and the support for them is incomplete. | |
1196 | ||
1197 | config CPU_R10000 | |
1198 | bool "R10000" | |
7cf8053b | 1199 | depends on SYS_HAS_CPU_R10000 |
f7062ddb | 1200 | select CPU_HAS_LLSC |
5e83d430 | 1201 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1202 | select CPU_SUPPORTS_32BIT_KERNEL |
1203 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1204 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1205 | help |
1206 | MIPS Technologies R10000-series processors. | |
1207 | ||
1208 | config CPU_RM7000 | |
1209 | bool "RM7000" | |
7cf8053b | 1210 | depends on SYS_HAS_CPU_RM7000 |
f7062ddb | 1211 | select CPU_HAS_LLSC |
5e83d430 | 1212 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1213 | select CPU_SUPPORTS_32BIT_KERNEL |
1214 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1215 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1216 | |
1217 | config CPU_RM9000 | |
1218 | bool "RM9000" | |
7cf8053b | 1219 | depends on SYS_HAS_CPU_RM9000 |
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 |
0004a9df | 1225 | select WEAK_ORDERING |
1da177e4 LT |
1226 | |
1227 | config CPU_SB1 | |
1228 | bool "SB1" | |
7cf8053b | 1229 | depends on SYS_HAS_CPU_SB1 |
f7062ddb | 1230 | select CPU_HAS_LLSC |
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 | 1235 | |
a86c7f72 DD |
1236 | config CPU_CAVIUM_OCTEON |
1237 | bool "Cavium Octeon processor" | |
5e683389 | 1238 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
1239 | select IRQ_CPU |
1240 | select IRQ_CPU_OCTEON | |
1241 | select CPU_HAS_PREFETCH | |
1242 | select CPU_SUPPORTS_64BIT_KERNEL | |
1243 | select SYS_SUPPORTS_SMP | |
1244 | select NR_CPUS_DEFAULT_16 | |
1245 | select WEAK_ORDERING | |
1246 | select WEAK_REORDERING_BEYOND_LLSC | |
1247 | select CPU_SUPPORTS_HIGHMEM | |
1248 | help | |
1249 | The Cavium Octeon processor is a highly integrated chip containing | |
1250 | many ethernet hardware widgets for networking tasks. The processor | |
1251 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1252 | Full details can be found at http://www.caviumnetworks.com. | |
1253 | ||
1da177e4 LT |
1254 | endchoice |
1255 | ||
2a21c730 FZ |
1256 | config SYS_HAS_CPU_LOONGSON2 |
1257 | bool | |
1258 | ||
7cf8053b RB |
1259 | config SYS_HAS_CPU_MIPS32_R1 |
1260 | bool | |
1261 | ||
1262 | config SYS_HAS_CPU_MIPS32_R2 | |
1263 | bool | |
1264 | ||
1265 | config SYS_HAS_CPU_MIPS64_R1 | |
1266 | bool | |
1267 | ||
1268 | config SYS_HAS_CPU_MIPS64_R2 | |
1269 | bool | |
1270 | ||
1271 | config SYS_HAS_CPU_R3000 | |
1272 | bool | |
1273 | ||
1274 | config SYS_HAS_CPU_TX39XX | |
1275 | bool | |
1276 | ||
1277 | config SYS_HAS_CPU_VR41XX | |
1278 | bool | |
1279 | ||
1280 | config SYS_HAS_CPU_R4300 | |
1281 | bool | |
1282 | ||
1283 | config SYS_HAS_CPU_R4X00 | |
1284 | bool | |
1285 | ||
1286 | config SYS_HAS_CPU_TX49XX | |
1287 | bool | |
1288 | ||
1289 | config SYS_HAS_CPU_R5000 | |
1290 | bool | |
1291 | ||
1292 | config SYS_HAS_CPU_R5432 | |
1293 | bool | |
1294 | ||
542c1020 SK |
1295 | config SYS_HAS_CPU_R5500 |
1296 | bool | |
1297 | ||
7cf8053b RB |
1298 | config SYS_HAS_CPU_R6000 |
1299 | bool | |
1300 | ||
1301 | config SYS_HAS_CPU_NEVADA | |
1302 | bool | |
1303 | ||
1304 | config SYS_HAS_CPU_R8000 | |
1305 | bool | |
1306 | ||
1307 | config SYS_HAS_CPU_R10000 | |
1308 | bool | |
1309 | ||
1310 | config SYS_HAS_CPU_RM7000 | |
1311 | bool | |
1312 | ||
1313 | config SYS_HAS_CPU_RM9000 | |
1314 | bool | |
1315 | ||
1316 | config SYS_HAS_CPU_SB1 | |
1317 | bool | |
1318 | ||
5e683389 DD |
1319 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1320 | bool | |
1321 | ||
17099b11 RB |
1322 | # |
1323 | # CPU may reorder R->R, R->W, W->R, W->W | |
1324 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1325 | # | |
0004a9df RB |
1326 | config WEAK_ORDERING |
1327 | bool | |
17099b11 RB |
1328 | |
1329 | # | |
1330 | # CPU may reorder reads and writes beyond LL/SC | |
1331 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1332 | # | |
1333 | config WEAK_REORDERING_BEYOND_LLSC | |
1334 | bool | |
5e83d430 RB |
1335 | endmenu |
1336 | ||
1337 | # | |
c09b47d8 | 1338 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1339 | # |
1340 | config CPU_MIPS32 | |
1341 | bool | |
1342 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1343 | ||
1344 | config CPU_MIPS64 | |
1345 | bool | |
1346 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1347 | ||
1348 | # | |
c09b47d8 | 1349 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1350 | # |
1351 | config CPU_MIPSR1 | |
1352 | bool | |
1353 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1354 | ||
1355 | config CPU_MIPSR2 | |
1356 | bool | |
a86c7f72 | 1357 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1358 | |
1359 | config SYS_SUPPORTS_32BIT_KERNEL | |
1360 | bool | |
1361 | config SYS_SUPPORTS_64BIT_KERNEL | |
1362 | bool | |
1363 | config CPU_SUPPORTS_32BIT_KERNEL | |
1364 | bool | |
1365 | config CPU_SUPPORTS_64BIT_KERNEL | |
1366 | bool | |
1367 | ||
8192c9ea DD |
1368 | # |
1369 | # Set to y for ptrace access to watch registers. | |
1370 | # | |
1371 | config HARDWARE_WATCHPOINTS | |
1372 | bool | |
f839490a | 1373 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1374 | |
5e83d430 RB |
1375 | menu "Kernel type" |
1376 | ||
1377 | choice | |
1378 | ||
1379 | prompt "Kernel code model" | |
1380 | help | |
1381 | You should only select this option if you have a workload that | |
1382 | actually benefits from 64-bit processing or if your machine has | |
1383 | large memory. You will only be presented a single option in this | |
1384 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1385 | ||
1386 | config 32BIT | |
1387 | bool "32-bit kernel" | |
1388 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1389 | select TRAD_SIGNALS | |
1390 | help | |
1391 | Select this option if you want to build a 32-bit kernel. | |
1392 | config 64BIT | |
1393 | bool "64-bit kernel" | |
1394 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
dbda6ac0 | 1395 | select HAVE_SYSCALL_WRAPPERS |
5e83d430 RB |
1396 | help |
1397 | Select this option if you want to build a 64-bit kernel. | |
1398 | ||
1399 | endchoice | |
1400 | ||
1da177e4 LT |
1401 | choice |
1402 | prompt "Kernel page size" | |
1403 | default PAGE_SIZE_4KB | |
1404 | ||
1405 | config PAGE_SIZE_4KB | |
1406 | bool "4kB" | |
1407 | help | |
1408 | This option select the standard 4kB Linux page size. On some | |
1409 | R3000-family processors this is the only available page size. Using | |
1410 | 4kB page size will minimize memory consumption and is therefore | |
1411 | recommended for low memory systems. | |
1412 | ||
1413 | config PAGE_SIZE_8KB | |
1414 | bool "8kB" | |
c52399be | 1415 | depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1416 | help |
1417 | Using 8kB page size will result in higher performance kernel at | |
1418 | the price of higher memory consumption. This option is available | |
c52399be RB |
1419 | only on R8000 and cnMIPS processors. Note that you will need a |
1420 | suitable Linux distribution to support this. | |
1da177e4 LT |
1421 | |
1422 | config PAGE_SIZE_16KB | |
1423 | bool "16kB" | |
714bfad6 | 1424 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1425 | help |
1426 | Using 16kB page size will result in higher performance kernel at | |
1427 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1428 | all non-R3000 family processors. Note that you will need a suitable |
1429 | Linux distribution to support this. | |
1da177e4 | 1430 | |
c52399be RB |
1431 | config PAGE_SIZE_32KB |
1432 | bool "32kB" | |
1433 | depends on CPU_CAVIUM_OCTEON | |
1434 | help | |
1435 | Using 32kB page size will result in higher performance kernel at | |
1436 | the price of higher memory consumption. This option is available | |
1437 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1438 | distribution to support this. | |
1439 | ||
1da177e4 LT |
1440 | config PAGE_SIZE_64KB |
1441 | bool "64kB" | |
1442 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1443 | help | |
1444 | Using 64kB page size will result in higher performance kernel at | |
1445 | the price of higher memory consumption. This option is available on | |
1446 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1447 | writing this option is still high experimental. |
1da177e4 LT |
1448 | |
1449 | endchoice | |
1450 | ||
1451 | config BOARD_SCACHE | |
1452 | bool | |
1453 | ||
1454 | config IP22_CPU_SCACHE | |
1455 | bool | |
1456 | select BOARD_SCACHE | |
1457 | ||
9318c51a CD |
1458 | # |
1459 | # Support for a MIPS32 / MIPS64 style S-caches | |
1460 | # | |
1461 | config MIPS_CPU_SCACHE | |
1462 | bool | |
1463 | select BOARD_SCACHE | |
1464 | ||
1da177e4 LT |
1465 | config R5000_CPU_SCACHE |
1466 | bool | |
1467 | select BOARD_SCACHE | |
1468 | ||
1469 | config RM7000_CPU_SCACHE | |
1470 | bool | |
1471 | select BOARD_SCACHE | |
1472 | ||
1473 | config SIBYTE_DMA_PAGEOPS | |
1474 | bool "Use DMA to clear/copy pages" | |
1475 | depends on CPU_SB1 | |
1476 | help | |
1477 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1478 | channel. These DMA channels are otherwise unused by the standard | |
1479 | SiByte Linux port. Seems to give a small performance benefit. | |
1480 | ||
1481 | config CPU_HAS_PREFETCH | |
c8094b53 | 1482 | bool |
1da177e4 | 1483 | |
340ee4b9 RB |
1484 | choice |
1485 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1486 | |
1487 | config MIPS_MT_DISABLED | |
1488 | bool "Disable multithreading support." | |
1489 | help | |
1490 | Use this option if your workload can't take advantage of | |
1491 | MIPS hardware multithreading support. On systems that don't have | |
1492 | the option of an MT-enabled processor this option will be the only | |
1493 | option in this menu. | |
340ee4b9 | 1494 | |
59d6ab86 RB |
1495 | config MIPS_MT_SMP |
1496 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1497 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1498 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1499 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1500 | select MIPS_MT |
f510aa3b | 1501 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1502 | select SMP |
0ab7aefc | 1503 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1504 | select SYS_SUPPORTS_SMP |
87353d8a | 1505 | select SMP_UP |
f41ae0b2 | 1506 | help |
59d6ab86 RB |
1507 | This is a kernel model which is also known a VSMP or lately |
1508 | has been marketesed into SMVP. | |
41c594ab | 1509 | |
59d6ab86 RB |
1510 | config MIPS_MT_SMTC |
1511 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1512 | depends on CPU_MIPS32_R2 | |
1513 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1514 | depends on SYS_SUPPORTS_MULTITHREADING |
1515 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1516 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1517 | select MIPS_MT |
130e2fb7 | 1518 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1519 | select SMP |
73b76c78 | 1520 | select SYS_SUPPORTS_SMP |
87353d8a | 1521 | select SMP_UP |
f41ae0b2 | 1522 | help |
59d6ab86 RB |
1523 | This is a kernel model which is known a SMTC or lately has been |
1524 | marketesed into SMVP. | |
340ee4b9 | 1525 | |
340ee4b9 RB |
1526 | endchoice |
1527 | ||
f41ae0b2 RB |
1528 | config MIPS_MT |
1529 | bool | |
1530 | ||
0ab7aefc RB |
1531 | config SCHED_SMT |
1532 | bool "SMT (multithreading) scheduler support" | |
1533 | depends on SYS_SUPPORTS_SCHED_SMT | |
1534 | default n | |
1535 | help | |
1536 | SMT scheduler support improves the CPU scheduler's decision making | |
1537 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1538 | increased overhead in some places. If unsure say N here. | |
1539 | ||
1540 | config SYS_SUPPORTS_SCHED_SMT | |
1541 | bool | |
1542 | ||
1543 | ||
f41ae0b2 RB |
1544 | config SYS_SUPPORTS_MULTITHREADING |
1545 | bool | |
1546 | ||
f088fc84 RB |
1547 | config MIPS_MT_FPAFF |
1548 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1549 | default y |
07cc0c9e RB |
1550 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1551 | ||
1552 | config MIPS_VPE_LOADER | |
1553 | bool "VPE loader support." | |
1554 | depends on SYS_SUPPORTS_MULTITHREADING | |
1555 | select CPU_MIPSR2_IRQ_VI | |
1556 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1557 | select MIPS_MT |
1558 | help | |
1559 | Includes a loader for loading an elf relocatable object | |
1560 | onto another VPE and running it. | |
f088fc84 | 1561 | |
0db34215 KK |
1562 | config MIPS_MT_SMTC_IM_BACKSTOP |
1563 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1564 | depends on MIPS_MT_SMTC | |
8531a35e | 1565 | default n |
0db34215 KK |
1566 | help |
1567 | To support multiple TC microthreads acting as "CPUs" within | |
1568 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1569 | during interrupt handling. To support legacy drivers and interrupt | |
1570 | controller management code, SMTC has a "backstop" to track and | |
1571 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1572 | impact on interrupt service overhead. |
0db34215 | 1573 | |
f571eff0 KK |
1574 | config MIPS_MT_SMTC_IRQAFF |
1575 | bool "Support IRQ affinity API" | |
1576 | depends on MIPS_MT_SMTC | |
1577 | default n | |
1578 | help | |
1579 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1580 | for SMTC Linux kernel. Requires platform support, of which | |
1581 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1582 | platform code. Adds some overhead to interrupt dispatch, and |
1583 | should be used only if you know what you are doing. | |
f571eff0 | 1584 | |
e01402b1 RB |
1585 | config MIPS_VPE_LOADER_TOM |
1586 | bool "Load VPE program into memory hidden from linux" | |
1587 | depends on MIPS_VPE_LOADER | |
1588 | default y | |
1589 | help | |
1590 | The loader can use memory that is present but has been hidden from | |
1591 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1592 | you to ensure the amount you put in the option and the space your | |
1593 | program requires is less or equal to the amount physically present. | |
1594 | ||
1595 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1596 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1597 | bool "Enable support for AP/SP API (RTLX)" |
1598 | depends on MIPS_VPE_LOADER | |
1599 | help | |
e01402b1 | 1600 | |
2600990e RB |
1601 | config MIPS_APSP_KSPD |
1602 | bool "Enable KSPD" | |
1603 | depends on MIPS_VPE_APSP_API | |
1604 | default y | |
1605 | help | |
1606 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1607 | side, actions them and returns the results. It also handles the | |
1608 | "exit" syscall notifying other kernel modules the SP program is | |
1609 | exiting. You probably want to say yes here. | |
1610 | ||
4a16ff4c RB |
1611 | config MIPS_CMP |
1612 | bool "MIPS CMP framework support" | |
1613 | depends on SYS_SUPPORTS_MIPS_CMP | |
1614 | select SYNC_R4K if BROKEN | |
1615 | select SYS_SUPPORTS_SMP | |
1616 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1617 | select WEAK_ORDERING | |
1618 | default n | |
1619 | help | |
1620 | This is a placeholder option for the GCMP work. It will need to | |
1621 | be handled differently... | |
1622 | ||
1da177e4 LT |
1623 | config SB1_PASS_1_WORKAROUNDS |
1624 | bool | |
1625 | depends on CPU_SB1_PASS_1 | |
1626 | default y | |
1627 | ||
1628 | config SB1_PASS_2_WORKAROUNDS | |
1629 | bool | |
1630 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1631 | default y | |
1632 | ||
1633 | config SB1_PASS_2_1_WORKAROUNDS | |
1634 | bool | |
1635 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1636 | default y | |
1637 | ||
1638 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1639 | bool |
1da177e4 | 1640 | |
1da177e4 | 1641 | config CPU_HAS_LLSC |
f7062ddb | 1642 | bool |
1da177e4 | 1643 | |
9693a853 FBH |
1644 | config CPU_HAS_SMARTMIPS |
1645 | depends on SYS_SUPPORTS_SMARTMIPS | |
1646 | bool "Support for the SmartMIPS ASE" | |
1647 | help | |
1648 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1649 | increased security at both hardware and software level for | |
1650 | smartcards. Enabling this option will allow proper use of the | |
1651 | SmartMIPS instructions by Linux applications. However a kernel with | |
1652 | this option will not work on a MIPS core without SmartMIPS core. If | |
1653 | you don't know you probably don't have SmartMIPS and should say N | |
1654 | here. | |
1655 | ||
1da177e4 | 1656 | config CPU_HAS_WB |
f7062ddb | 1657 | bool |
e01402b1 | 1658 | |
f41ae0b2 RB |
1659 | # |
1660 | # Vectored interrupt mode is an R2 feature | |
1661 | # | |
e01402b1 | 1662 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1663 | bool |
e01402b1 | 1664 | |
f41ae0b2 RB |
1665 | # |
1666 | # Extended interrupt mode is an R2 feature | |
1667 | # | |
e01402b1 | 1668 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1669 | bool |
e01402b1 | 1670 | |
1da177e4 LT |
1671 | config CPU_HAS_SYNC |
1672 | bool | |
1673 | depends on !CPU_R3000 | |
1674 | default y | |
1675 | ||
ea580401 RB |
1676 | config GENERIC_CLOCKEVENTS_BROADCAST |
1677 | bool | |
1678 | ||
20d60d99 MR |
1679 | # |
1680 | # CPU non-features | |
1681 | # | |
1682 | config CPU_DADDI_WORKAROUNDS | |
1683 | bool | |
1684 | ||
1685 | config CPU_R4000_WORKAROUNDS | |
1686 | bool | |
1687 | select CPU_R4400_WORKAROUNDS | |
1688 | ||
1689 | config CPU_R4400_WORKAROUNDS | |
1690 | bool | |
1691 | ||
797798c1 RB |
1692 | # |
1693 | # Use the generic interrupt handling code in kernel/irq/: | |
1694 | # | |
1695 | config GENERIC_HARDIRQS | |
1696 | bool | |
1697 | default y | |
1698 | ||
1699 | config GENERIC_IRQ_PROBE | |
1700 | bool | |
1701 | default y | |
1702 | ||
0d7012a9 | 1703 | config IRQ_PER_CPU |
0d7012a9 | 1704 | bool |
0d7012a9 | 1705 | |
1da177e4 LT |
1706 | # |
1707 | # - Highmem only makes sense for the 32-bit kernel. | |
1708 | # - The current highmem code will only work properly on physically indexed | |
1709 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1710 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1711 | # moment we protect the user and offer the highmem option only on machines | |
1712 | # where it's known to be safe. This will not offer highmem on a few systems | |
1713 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1714 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1715 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1716 | # know they might have memory configurations that could make use of highmem | |
1717 | # support. | |
1da177e4 LT |
1718 | # |
1719 | config HIGHMEM | |
1720 | bool "High Memory Support" | |
797798c1 RB |
1721 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1722 | ||
1723 | config CPU_SUPPORTS_HIGHMEM | |
1724 | bool | |
1725 | ||
1726 | config SYS_SUPPORTS_HIGHMEM | |
1727 | bool | |
1da177e4 | 1728 | |
9693a853 FBH |
1729 | config SYS_SUPPORTS_SMARTMIPS |
1730 | bool | |
1731 | ||
b4819b59 YY |
1732 | config ARCH_FLATMEM_ENABLE |
1733 | def_bool y | |
1734 | depends on !NUMA | |
1735 | ||
d8cb4e11 RB |
1736 | config ARCH_DISCONTIGMEM_ENABLE |
1737 | bool | |
1738 | default y if SGI_IP27 | |
1739 | help | |
3dde6ad8 | 1740 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1741 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1742 | or have huge holes in the physical address space for other reasons. | |
1743 | See <file:Documentation/vm/numa> for more. | |
1744 | ||
cce335ae RB |
1745 | config ARCH_POPULATES_NODE_MAP |
1746 | def_bool y | |
1747 | ||
31473747 AN |
1748 | config ARCH_SPARSEMEM_ENABLE |
1749 | bool | |
7de58fab | 1750 | select SPARSEMEM_STATIC |
31473747 | 1751 | |
d8cb4e11 RB |
1752 | config NUMA |
1753 | bool "NUMA Support" | |
1754 | depends on SYS_SUPPORTS_NUMA | |
1755 | help | |
1756 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1757 | Access). This option improves performance on systems with more | |
1758 | than two nodes; on two node systems it is generally better to | |
1759 | leave it disabled; on single node systems disable this option | |
1760 | disabled. | |
1761 | ||
1762 | config SYS_SUPPORTS_NUMA | |
1763 | bool | |
1764 | ||
c80d79d7 YG |
1765 | config NODES_SHIFT |
1766 | int | |
1767 | default "6" | |
1768 | depends on NEED_MULTIPLE_NODES | |
1769 | ||
b4819b59 YY |
1770 | source "mm/Kconfig" |
1771 | ||
1da177e4 LT |
1772 | config SMP |
1773 | bool "Multi-Processing support" | |
e73ea273 | 1774 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 1775 | select IRQ_PER_CPU |
2f304c0a | 1776 | select USE_GENERIC_SMP_HELPERS |
e73ea273 | 1777 | help |
1da177e4 LT |
1778 | This enables support for systems with more than one CPU. If you have |
1779 | a system with only one CPU, like most personal computers, say N. If | |
1780 | you have a system with more than one CPU, say Y. | |
1781 | ||
1782 | If you say N here, the kernel will run on single and multiprocessor | |
1783 | machines, but will use only one CPU of a multiprocessor machine. If | |
1784 | you say Y here, the kernel will run on many, but not all, | |
1785 | singleprocessor machines. On a singleprocessor machine, the kernel | |
1786 | will run faster if you say N here. | |
1787 | ||
1788 | People using multiprocessor machines who say Y here should also say | |
1789 | Y to "Enhanced Real Time Clock Support", below. | |
1790 | ||
03502faa AB |
1791 | See also the SMP-HOWTO available at |
1792 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
1793 | |
1794 | If you don't know what to do here, say N. | |
1795 | ||
87353d8a RB |
1796 | config SMP_UP |
1797 | bool | |
1798 | ||
4a16ff4c RB |
1799 | config SYS_SUPPORTS_MIPS_CMP |
1800 | bool | |
1801 | ||
e73ea273 RB |
1802 | config SYS_SUPPORTS_SMP |
1803 | bool | |
1804 | ||
72ede9b1 AN |
1805 | config NR_CPUS_DEFAULT_1 |
1806 | bool | |
1807 | ||
130e2fb7 RB |
1808 | config NR_CPUS_DEFAULT_2 |
1809 | bool | |
1810 | ||
1811 | config NR_CPUS_DEFAULT_4 | |
1812 | bool | |
1813 | ||
1814 | config NR_CPUS_DEFAULT_8 | |
1815 | bool | |
1816 | ||
1817 | config NR_CPUS_DEFAULT_16 | |
1818 | bool | |
1819 | ||
1820 | config NR_CPUS_DEFAULT_32 | |
1821 | bool | |
1822 | ||
1823 | config NR_CPUS_DEFAULT_64 | |
1824 | bool | |
1825 | ||
1da177e4 LT |
1826 | config NR_CPUS |
1827 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 1828 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 1829 | depends on SMP |
72ede9b1 | 1830 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
1831 | default "2" if NR_CPUS_DEFAULT_2 |
1832 | default "4" if NR_CPUS_DEFAULT_4 | |
1833 | default "8" if NR_CPUS_DEFAULT_8 | |
1834 | default "16" if NR_CPUS_DEFAULT_16 | |
1835 | default "32" if NR_CPUS_DEFAULT_32 | |
1836 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
1837 | help |
1838 | This allows you to specify the maximum number of CPUs which this | |
1839 | kernel will support. The maximum supported value is 32 for 32-bit | |
1840 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
1841 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
1842 | and 2 for all others. | |
1da177e4 LT |
1843 | |
1844 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
1845 | approximately eight kilobytes to the kernel image. For best |
1846 | performance should round up your number of processors to the next | |
1847 | power of two. | |
1da177e4 | 1848 | |
c4eee283 AN |
1849 | source "kernel/time/Kconfig" |
1850 | ||
1723b4a3 AN |
1851 | # |
1852 | # Timer Interrupt Frequency Configuration | |
1853 | # | |
1854 | ||
1855 | choice | |
1856 | prompt "Timer frequency" | |
1857 | default HZ_250 | |
1858 | help | |
1859 | Allows the configuration of the timer frequency. | |
1860 | ||
1861 | config HZ_48 | |
0f873585 | 1862 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
1863 | |
1864 | config HZ_100 | |
1865 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
1866 | ||
1867 | config HZ_128 | |
1868 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
1869 | ||
1870 | config HZ_250 | |
1871 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
1872 | ||
1873 | config HZ_256 | |
1874 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
1875 | ||
1876 | config HZ_1000 | |
1877 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
1878 | ||
1879 | config HZ_1024 | |
1880 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
1881 | ||
1882 | endchoice | |
1883 | ||
1884 | config SYS_SUPPORTS_48HZ | |
1885 | bool | |
1886 | ||
1887 | config SYS_SUPPORTS_100HZ | |
1888 | bool | |
1889 | ||
1890 | config SYS_SUPPORTS_128HZ | |
1891 | bool | |
1892 | ||
1893 | config SYS_SUPPORTS_250HZ | |
1894 | bool | |
1895 | ||
1896 | config SYS_SUPPORTS_256HZ | |
1897 | bool | |
1898 | ||
1899 | config SYS_SUPPORTS_1000HZ | |
1900 | bool | |
1901 | ||
1902 | config SYS_SUPPORTS_1024HZ | |
1903 | bool | |
1904 | ||
1905 | config SYS_SUPPORTS_ARBIT_HZ | |
1906 | bool | |
1907 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
1908 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
1909 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
1910 | !SYS_SUPPORTS_1024HZ | |
1911 | ||
1912 | config HZ | |
1913 | int | |
1914 | default 48 if HZ_48 | |
1915 | default 100 if HZ_100 | |
1916 | default 128 if HZ_128 | |
1917 | default 250 if HZ_250 | |
1918 | default 256 if HZ_256 | |
1919 | default 1000 if HZ_1000 | |
1920 | default 1024 if HZ_1024 | |
1921 | ||
e80de850 | 1922 | source "kernel/Kconfig.preempt" |
1da177e4 | 1923 | |
1da177e4 LT |
1924 | config MIPS_INSANE_LARGE |
1925 | bool "Support for large 64-bit configurations" | |
875d43e7 | 1926 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
1927 | help |
1928 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
1929 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
1930 | need processes of more than 1TB virtual address space, say Y here. | |
1931 | This will result in additional memory usage, so it is not | |
1932 | recommended for normal users. | |
1933 | ||
ea6e942b AN |
1934 | config KEXEC |
1935 | bool "Kexec system call (EXPERIMENTAL)" | |
1936 | depends on EXPERIMENTAL | |
1937 | help | |
1938 | kexec is a system call that implements the ability to shutdown your | |
1939 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 1940 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
1941 | you can start any kernel with it, not just Linux. |
1942 | ||
01dd2fbf | 1943 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
1944 | |
1945 | It is an ongoing process to be certain the hardware in a machine | |
1946 | is properly shutdown, so do not be surprised if this code does not | |
1947 | initially work for you. It may help to enable device hotplugging | |
1948 | support. As of this writing the exact hardware interface is | |
1949 | strongly in flux, so no good recommendation can be made. | |
1950 | ||
1951 | config SECCOMP | |
1952 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 1953 | depends on PROC_FS |
ea6e942b AN |
1954 | default y |
1955 | help | |
1956 | This kernel feature is useful for number crunching applications | |
1957 | that may need to compute untrusted bytecode during their | |
1958 | execution. By using pipes or other transports made available to | |
1959 | the process as file descriptors supporting the read/write | |
1960 | syscalls, it's possible to isolate those applications in | |
1961 | their own address space using seccomp. Once seccomp is | |
1962 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
1963 | and the task is only allowed to execute a few safe syscalls | |
1964 | defined by each seccomp mode. | |
1965 | ||
1966 | If unsure, say Y. Only embedded should say N here. | |
1967 | ||
5e83d430 RB |
1968 | endmenu |
1969 | ||
1df0f0ff AN |
1970 | config LOCKDEP_SUPPORT |
1971 | bool | |
1972 | default y | |
1973 | ||
1974 | config STACKTRACE_SUPPORT | |
1975 | bool | |
1976 | default y | |
1977 | ||
b6c3539b RB |
1978 | source "init/Kconfig" |
1979 | ||
0011036b AN |
1980 | config PROBE_INITRD_HEADER |
1981 | bool "Probe initrd header created by addinitrd" | |
1982 | depends on BLK_DEV_INITRD | |
1983 | help | |
1984 | Probe initrd header at the last page of kernel image. | |
1985 | Say Y here if you are using arch/mips/boot/addinitrd.c to | |
1986 | add initrd or initramfs image to the kernel image. | |
1987 | Otherwise, say N. | |
1988 | ||
dc52ddc0 MH |
1989 | source "kernel/Kconfig.freezer" |
1990 | ||
1da177e4 LT |
1991 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
1992 | ||
5e83d430 RB |
1993 | config HW_HAS_EISA |
1994 | bool | |
1da177e4 LT |
1995 | config HW_HAS_PCI |
1996 | bool | |
1997 | ||
1998 | config PCI | |
1999 | bool "Support for PCI controller" | |
2000 | depends on HW_HAS_PCI | |
abb4ae46 | 2001 | select PCI_DOMAINS |
1da177e4 LT |
2002 | help |
2003 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2004 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2005 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2006 | say Y, otherwise N. | |
2007 | ||
1da177e4 LT |
2008 | config PCI_DOMAINS |
2009 | bool | |
1da177e4 LT |
2010 | |
2011 | source "drivers/pci/Kconfig" | |
2012 | ||
2013 | # | |
2014 | # ISA support is now enabled via select. Too many systems still have the one | |
2015 | # or other ISA chip on the board that users don't know about so don't expect | |
2016 | # users to choose the right thing ... | |
2017 | # | |
2018 | config ISA | |
2019 | bool | |
2020 | ||
2021 | config EISA | |
2022 | bool "EISA support" | |
5e83d430 | 2023 | depends on HW_HAS_EISA |
1da177e4 | 2024 | select ISA |
aa414dff | 2025 | select GENERIC_ISA_DMA |
1da177e4 LT |
2026 | ---help--- |
2027 | The Extended Industry Standard Architecture (EISA) bus was | |
2028 | developed as an open alternative to the IBM MicroChannel bus. | |
2029 | ||
2030 | The EISA bus provided some of the features of the IBM MicroChannel | |
2031 | bus while maintaining backward compatibility with cards made for | |
2032 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2033 | 1995 when it was made obsolete by the PCI bus. | |
2034 | ||
2035 | Say Y here if you are building a kernel for an EISA-based machine. | |
2036 | ||
2037 | Otherwise, say N. | |
2038 | ||
2039 | source "drivers/eisa/Kconfig" | |
2040 | ||
2041 | config TC | |
2042 | bool "TURBOchannel support" | |
2043 | depends on MACH_DECSTATION | |
2044 | help | |
2045 | TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS | |
2046 | processors. Documentation on writing device drivers for TurboChannel | |
2047 | is available at: | |
2048 | <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. | |
2049 | ||
2050 | #config ACCESSBUS | |
2051 | # bool "Access.Bus support" | |
2052 | # depends on TC | |
2053 | ||
2054 | config MMU | |
2055 | bool | |
2056 | default y | |
2057 | ||
d865bea4 RB |
2058 | config I8253 |
2059 | bool | |
2060 | ||
cce335ae RB |
2061 | config ZONE_DMA32 |
2062 | bool | |
2063 | ||
1da177e4 LT |
2064 | source "drivers/pcmcia/Kconfig" |
2065 | ||
2066 | source "drivers/pci/hotplug/Kconfig" | |
2067 | ||
2068 | endmenu | |
2069 | ||
2070 | menu "Executable file formats" | |
2071 | ||
2072 | source "fs/Kconfig.binfmt" | |
2073 | ||
2074 | config TRAD_SIGNALS | |
2075 | bool | |
1da177e4 | 2076 | |
1da177e4 LT |
2077 | config MIPS32_COMPAT |
2078 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2079 | depends on 64BIT |
1da177e4 LT |
2080 | help |
2081 | Select this option if you want Linux/MIPS 32-bit binary | |
2082 | compatibility. Since all software available for Linux/MIPS is | |
2083 | currently 32-bit you should say Y here. | |
2084 | ||
2085 | config COMPAT | |
2086 | bool | |
2087 | depends on MIPS32_COMPAT | |
2088 | default y | |
2089 | ||
05e43966 AN |
2090 | config SYSVIPC_COMPAT |
2091 | bool | |
2092 | depends on COMPAT && SYSVIPC | |
2093 | default y | |
2094 | ||
1da177e4 LT |
2095 | config MIPS32_O32 |
2096 | bool "Kernel support for o32 binaries" | |
2097 | depends on MIPS32_COMPAT | |
2098 | help | |
2099 | Select this option if you want to run o32 binaries. These are pure | |
2100 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2101 | existing binaries are in this format. | |
2102 | ||
2103 | If unsure, say Y. | |
2104 | ||
2105 | config MIPS32_N32 | |
2106 | bool "Kernel support for n32 binaries" | |
2107 | depends on MIPS32_COMPAT | |
2108 | help | |
2109 | Select this option if you want to run n32 binaries. These are | |
2110 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2111 | data that would normally be 64-bit. They are used in special | |
2112 | cases. | |
2113 | ||
2114 | If unsure, say N. | |
2115 | ||
2116 | config BINFMT_ELF32 | |
2117 | bool | |
2118 | default y if MIPS32_O32 || MIPS32_N32 | |
2119 | ||
2116245e RB |
2120 | endmenu |
2121 | ||
2122 | menu "Power management options" | |
2123 | ||
f4cb5700 JB |
2124 | config ARCH_SUSPEND_POSSIBLE |
2125 | def_bool y | |
2126 | depends on !SMP | |
2127 | ||
2116245e | 2128 | source "kernel/power/Kconfig" |
952fa954 | 2129 | |
1da177e4 LT |
2130 | endmenu |
2131 | ||
d5950b43 SR |
2132 | source "net/Kconfig" |
2133 | ||
1da177e4 LT |
2134 | source "drivers/Kconfig" |
2135 | ||
2136 | source "fs/Kconfig" | |
2137 | ||
2138 | source "arch/mips/Kconfig.debug" | |
2139 | ||
2140 | source "security/Kconfig" | |
2141 | ||
2142 | source "crypto/Kconfig" | |
2143 | ||
2144 | source "lib/Kconfig" |