Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
f8ac0425 | 4 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 5 | select HAVE_IDE |
42d4b839 | 6 | select HAVE_OPROFILE |
91f01737 | 7 | select HAVE_IRQ_WORK |
7f788d2d DCZ |
8 | select HAVE_PERF_EVENTS |
9 | select PERF_USE_VMALLOC | |
88547001 | 10 | select HAVE_ARCH_KGDB |
7563bbf8 | 11 | select ARCH_HAVE_CUSTOM_GPIO_H |
d2bb0762 | 12 | select HAVE_FUNCTION_TRACER |
69a7d1b3 | 13 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
538f1952 WZ |
14 | select HAVE_DYNAMIC_FTRACE |
15 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 16 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 17 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
18 | select HAVE_KPROBES |
19 | select HAVE_KRETPROBES | |
b69ec42b | 20 | select HAVE_DEBUG_KMEMLEAK |
e26d196c | 21 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE |
970d032f | 22 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE |
21a41faa | 23 | select RTC_LIB if !MACH_LOONGSON |
2b78920d | 24 | select GENERIC_ATOMIC64 if !64BIT |
7463449b | 25 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
48e1fd5a DD |
26 | select HAVE_DMA_ATTRS |
27 | select HAVE_DMA_API_DEBUG | |
3bd27e32 DD |
28 | select HAVE_GENERIC_HARDIRQS |
29 | select GENERIC_IRQ_PROBE | |
f8396c17 | 30 | select GENERIC_IRQ_SHOW |
94bb0c1a | 31 | select HAVE_ARCH_JUMP_LABEL |
c1d7e01d | 32 | select ARCH_WANT_IPC_PARSE_VERSION |
0f462e3c | 33 | select IRQ_FORCED_THREADING |
9d15ffc8 TH |
34 | select HAVE_MEMBLOCK |
35 | select HAVE_MEMBLOCK_NODE_MAP | |
36 | select ARCH_DISCARD_MEMBLOCK | |
360014a3 | 37 | select GENERIC_SMP_IDLE_THREAD |
4b054495 | 38 | select BUILDTIME_EXTABLE_SORT |
cde1794b AMG |
39 | select GENERIC_CLOCKEVENTS |
40 | select GENERIC_CMOS_UPDATE | |
786d35d4 | 41 | select HAVE_MOD_ARCH_SPECIFIC |
2f12fb20 JK |
42 | select MODULES_USE_ELF_REL if MODULES |
43 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
1da177e4 | 44 | |
1da177e4 LT |
45 | menu "Machine selection" |
46 | ||
5ac6da66 CL |
47 | config ZONE_DMA |
48 | bool | |
5ac6da66 | 49 | |
5e83d430 RB |
50 | choice |
51 | prompt "System type" | |
52 | default SGI_IP22 | |
1da177e4 | 53 | |
42a4f17d | 54 | config MIPS_ALCHEMY |
c3543e25 | 55 | bool "Alchemy processor based machines" |
42a4f17d | 56 | select 64BIT_PHYS_ADDR |
f772cdb2 | 57 | select CEVT_R4K |
d7ea335c | 58 | select CSRC_R4K |
42a4f17d ML |
59 | select IRQ_CPU |
60 | select SYS_HAS_CPU_MIPS32_R1 | |
61 | select SYS_SUPPORTS_32BIT_KERNEL | |
62 | select SYS_SUPPORTS_APM_EMULATION | |
63 | select GENERIC_GPIO | |
64 | select ARCH_WANT_OPTIONAL_GPIOLIB | |
1b93b3c3 | 65 | select SYS_SUPPORTS_ZBOOT |
37663860 ML |
66 | select USB_ARCH_HAS_OHCI |
67 | select USB_ARCH_HAS_EHCI | |
1da177e4 | 68 | |
7ca5dc14 FF |
69 | config AR7 |
70 | bool "Texas Instruments AR7" | |
71 | select BOOT_ELF32 | |
72 | select DMA_NONCOHERENT | |
73 | select CEVT_R4K | |
74 | select CSRC_R4K | |
75 | select IRQ_CPU | |
76 | select NO_EXCEPT_FILL | |
77 | select SWAP_IO_SPACE | |
78 | select SYS_HAS_CPU_MIPS32_R1 | |
79 | select SYS_HAS_EARLY_PRINTK | |
80 | select SYS_SUPPORTS_32BIT_KERNEL | |
81 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1b93b3c3 | 82 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 83 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 | 84 | select VLYNQ |
8551fb64 | 85 | select HAVE_CLK |
7ca5dc14 FF |
86 | help |
87 | Support for the Texas Instruments AR7 System-on-a-Chip | |
88 | family: TNETD7100, 7200 and 7300. | |
89 | ||
d4a67d9d GJ |
90 | config ATH79 |
91 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
6eae43c5 | 92 | select ARCH_REQUIRE_GPIOLIB |
d4a67d9d GJ |
93 | select BOOT_RAW |
94 | select CEVT_R4K | |
95 | select CSRC_R4K | |
96 | select DMA_NONCOHERENT | |
94638067 | 97 | select HAVE_CLK |
d4a67d9d | 98 | select IRQ_CPU |
0aabf1a4 | 99 | select MIPS_MACHINE |
d4a67d9d GJ |
100 | select SYS_HAS_CPU_MIPS32_R2 |
101 | select SYS_HAS_EARLY_PRINTK | |
102 | select SYS_SUPPORTS_32BIT_KERNEL | |
103 | select SYS_SUPPORTS_BIG_ENDIAN | |
104 | help | |
105 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
106 | ||
1c0c13eb | 107 | config BCM47XX |
c619366e | 108 | bool "Broadcom BCM47XX based boards" |
2da4c74d | 109 | select ARCH_WANT_OPTIONAL_GPIOLIB |
42f77542 | 110 | select CEVT_R4K |
940f6b48 | 111 | select CSRC_R4K |
1c0c13eb | 112 | select DMA_NONCOHERENT |
0e2794b0 | 113 | select FW_CFE |
1c0c13eb AJ |
114 | select HW_HAS_PCI |
115 | select IRQ_CPU | |
1c0c13eb AJ |
116 | select SYS_SUPPORTS_32BIT_KERNEL |
117 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
25e5fb97 | 118 | select SYS_HAS_EARLY_PRINTK |
1c0c13eb AJ |
119 | help |
120 | Support for BCM47XX based boards | |
121 | ||
e7300d04 MB |
122 | config BCM63XX |
123 | bool "Broadcom BCM63XX based boards" | |
124 | select CEVT_R4K | |
125 | select CSRC_R4K | |
126 | select DMA_NONCOHERENT | |
127 | select IRQ_CPU | |
128 | select SYS_HAS_CPU_MIPS32_R1 | |
129 | select SYS_SUPPORTS_32BIT_KERNEL | |
130 | select SYS_SUPPORTS_BIG_ENDIAN | |
131 | select SYS_HAS_EARLY_PRINTK | |
132 | select SWAP_IO_SPACE | |
133 | select ARCH_REQUIRE_GPIOLIB | |
3e82eeeb | 134 | select HAVE_CLK |
e7300d04 MB |
135 | help |
136 | Support for BCM63XX based boards | |
137 | ||
1da177e4 | 138 | config MIPS_COBALT |
3fa986fa | 139 | bool "Cobalt Server" |
42f77542 | 140 | select CEVT_R4K |
940f6b48 | 141 | select CSRC_R4K |
1097c6ac | 142 | select CEVT_GT641XX |
1da177e4 LT |
143 | select DMA_NONCOHERENT |
144 | select HW_HAS_PCI | |
d865bea4 | 145 | select I8253 |
1da177e4 LT |
146 | select I8259 |
147 | select IRQ_CPU | |
d5ab1a69 | 148 | select IRQ_GT641XX |
252161ec | 149 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 150 | select PCI |
7cf8053b | 151 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 152 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 153 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 154 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 155 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 LT |
156 | |
157 | config MACH_DECSTATION | |
3fa986fa | 158 | bool "DECstations" |
1da177e4 | 159 | select BOOT_ELF32 |
6457d9fc | 160 | select CEVT_DS1287 |
42f77542 | 161 | select CEVT_R4K |
4247417d | 162 | select CSRC_IOASIC |
940f6b48 | 163 | select CSRC_R4K |
20d60d99 MR |
164 | select CPU_DADDI_WORKAROUNDS if 64BIT |
165 | select CPU_R4000_WORKAROUNDS if 64BIT | |
166 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 167 | select DMA_NONCOHERENT |
d388d685 | 168 | select NO_IOPORT |
1da177e4 | 169 | select IRQ_CPU |
7cf8053b RB |
170 | select SYS_HAS_CPU_R3000 |
171 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb YY |
172 | select SYS_SUPPORTS_32BIT_KERNEL |
173 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
5e83d430 | 174 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
175 | select SYS_SUPPORTS_128HZ |
176 | select SYS_SUPPORTS_256HZ | |
177 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 178 | help |
1da177e4 LT |
179 | This enables support for DEC's MIPS based workstations. For details |
180 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
181 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
182 | ||
183 | If you have one of the following DECstation Models you definitely | |
184 | want to choose R4xx0 for the CPU Type: | |
185 | ||
9308816c RB |
186 | DECstation 5000/50 |
187 | DECstation 5000/150 | |
188 | DECstation 5000/260 | |
189 | DECsystem 5900/260 | |
1da177e4 LT |
190 | |
191 | otherwise choose R3000. | |
192 | ||
5e83d430 | 193 | config MACH_JAZZ |
3fa986fa | 194 | bool "Jazz family of machines" |
0e2794b0 RB |
195 | select FW_ARC |
196 | select FW_ARC32 | |
5e83d430 | 197 | select ARCH_MAY_HAVE_PC_FDC |
42f77542 | 198 | select CEVT_R4K |
940f6b48 | 199 | select CSRC_R4K |
e2defae5 | 200 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 201 | select GENERIC_ISA_DMA |
8a118c38 | 202 | select HAVE_PCSPKR_PLATFORM |
ea202c63 | 203 | select IRQ_CPU |
d865bea4 | 204 | select I8253 |
5e83d430 RB |
205 | select I8259 |
206 | select ISA | |
7cf8053b | 207 | select SYS_HAS_CPU_R4X00 |
5e83d430 RB |
208 | select SYS_SUPPORTS_32BIT_KERNEL |
209 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
1723b4a3 | 210 | select SYS_SUPPORTS_100HZ |
1da177e4 | 211 | help |
5e83d430 RB |
212 | This a family of machines based on the MIPS R4030 chipset which was |
213 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 214 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
215 | Olivetti M700-10 workstations. |
216 | ||
5ebabe59 LPC |
217 | config MACH_JZ4740 |
218 | bool "Ingenic JZ4740 based machines" | |
219 | select SYS_HAS_CPU_MIPS32_R1 | |
220 | select SYS_SUPPORTS_32BIT_KERNEL | |
221 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f9c9affc | 222 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5ebabe59 LPC |
223 | select DMA_NONCOHERENT |
224 | select IRQ_CPU | |
225 | select GENERIC_GPIO | |
226 | select ARCH_REQUIRE_GPIOLIB | |
227 | select SYS_HAS_EARLY_PRINTK | |
228 | select HAVE_PWM | |
ab5330eb | 229 | select HAVE_CLK |
83bc7692 | 230 | select GENERIC_IRQ_CHIP |
5ebabe59 | 231 | |
171bb2f1 JC |
232 | config LANTIQ |
233 | bool "Lantiq based platforms" | |
234 | select DMA_NONCOHERENT | |
235 | select IRQ_CPU | |
236 | select CEVT_R4K | |
237 | select CSRC_R4K | |
238 | select SYS_HAS_CPU_MIPS32_R1 | |
239 | select SYS_HAS_CPU_MIPS32_R2 | |
240 | select SYS_SUPPORTS_BIG_ENDIAN | |
241 | select SYS_SUPPORTS_32BIT_KERNEL | |
242 | select SYS_SUPPORTS_MULTITHREADING | |
243 | select SYS_HAS_EARLY_PRINTK | |
244 | select ARCH_REQUIRE_GPIOLIB | |
245 | select SWAP_IO_SPACE | |
246 | select BOOT_RAW | |
287e3f3f JC |
247 | select HAVE_MACH_CLKDEV |
248 | select CLKDEV_LOOKUP | |
a0392222 | 249 | select USE_OF |
3f8c50c9 JC |
250 | select PINCTRL |
251 | select PINCTRL_LANTIQ | |
171bb2f1 | 252 | |
1f21d2bd BM |
253 | config LASAT |
254 | bool "LASAT Networks platforms" | |
42f77542 | 255 | select CEVT_R4K |
940f6b48 | 256 | select CSRC_R4K |
1f21d2bd BM |
257 | select DMA_NONCOHERENT |
258 | select SYS_HAS_EARLY_PRINTK | |
259 | select HW_HAS_PCI | |
a5ccfe5c | 260 | select IRQ_CPU |
1f21d2bd BM |
261 | select PCI_GT64XXX_PCI0 |
262 | select MIPS_NILE4 | |
263 | select R5000_CPU_SCACHE | |
264 | select SYS_HAS_CPU_R5000 | |
265 | select SYS_SUPPORTS_32BIT_KERNEL | |
266 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
267 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 268 | |
85749d24 WZ |
269 | config MACH_LOONGSON |
270 | bool "Loongson family of machines" | |
c7e8c668 | 271 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 272 | help |
85749d24 WZ |
273 | This enables the support of Loongson family of machines. |
274 | ||
275 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
276 | developed at Institute of Computing Technology (ICT), | |
277 | Chinese Academy of Sciences (CAS) in the People's Republic | |
278 | of China. The chief architect is Professor Weiwu Hu. | |
ade299d8 | 279 | |
ca585cf9 KC |
280 | config MACH_LOONGSON1 |
281 | bool "Loongson 1 family of machines" | |
282 | select SYS_SUPPORTS_ZBOOT | |
283 | help | |
284 | This enables support for the Loongson 1 based machines. | |
285 | ||
286 | Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by | |
287 | the ICT (Institute of Computing Technology) and the Chinese Academy | |
288 | of Sciences. | |
289 | ||
1da177e4 | 290 | config MIPS_MALTA |
3fa986fa | 291 | bool "MIPS Malta board" |
61ed242d | 292 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 293 | select BOOT_ELF32 |
fa71c960 | 294 | select BOOT_RAW |
42f77542 | 295 | select CEVT_R4K |
940f6b48 | 296 | select CSRC_R4K |
1da177e4 LT |
297 | select DMA_NONCOHERENT |
298 | select GENERIC_ISA_DMA | |
8a118c38 | 299 | select HAVE_PCSPKR_PLATFORM |
aa414dff | 300 | select IRQ_CPU |
39b8d525 | 301 | select IRQ_GIC |
1da177e4 | 302 | select HW_HAS_PCI |
d865bea4 | 303 | select I8253 |
1da177e4 | 304 | select I8259 |
5e83d430 RB |
305 | select MIPS_BOARDS_GEN |
306 | select MIPS_BONITO64 | |
9318c51a | 307 | select MIPS_CPU_SCACHE |
252161ec | 308 | select PCI_GT64XXX_PCI0 |
5e83d430 | 309 | select MIPS_MSC |
1da177e4 | 310 | select SWAP_IO_SPACE |
7cf8053b RB |
311 | select SYS_HAS_CPU_MIPS32_R1 |
312 | select SYS_HAS_CPU_MIPS32_R2 | |
313 | select SYS_HAS_CPU_MIPS64_R1 | |
5d9fbed1 | 314 | select SYS_HAS_CPU_MIPS64_R2 |
7cf8053b RB |
315 | select SYS_HAS_CPU_NEVADA |
316 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 317 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
318 | select SYS_SUPPORTS_32BIT_KERNEL |
319 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
320 | select SYS_SUPPORTS_BIG_ENDIAN |
321 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
0365070f | 322 | select SYS_SUPPORTS_MIPS_CMP |
f41ae0b2 | 323 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 324 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 325 | select SYS_SUPPORTS_ZBOOT |
1da177e4 | 326 | help |
f638d197 | 327 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
328 | board. |
329 | ||
ec47b274 SH |
330 | config MIPS_SEAD3 |
331 | bool "MIPS SEAD3 board" | |
332 | select BOOT_ELF32 | |
333 | select BOOT_RAW | |
334 | select CEVT_R4K | |
335 | select CSRC_R4K | |
336 | select CPU_MIPSR2_IRQ_VI | |
337 | select CPU_MIPSR2_IRQ_EI | |
338 | select DMA_NONCOHERENT | |
339 | select IRQ_CPU | |
340 | select IRQ_GIC | |
341 | select MIPS_BOARDS_GEN | |
342 | select MIPS_CPU_SCACHE | |
343 | select MIPS_MSC | |
344 | select SYS_HAS_CPU_MIPS32_R1 | |
345 | select SYS_HAS_CPU_MIPS32_R2 | |
346 | select SYS_HAS_CPU_MIPS64_R1 | |
347 | select SYS_HAS_EARLY_PRINTK | |
348 | select SYS_SUPPORTS_32BIT_KERNEL | |
349 | select SYS_SUPPORTS_64BIT_KERNEL | |
350 | select SYS_SUPPORTS_BIG_ENDIAN | |
351 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
352 | select SYS_SUPPORTS_SMARTMIPS | |
353 | select USB_ARCH_HAS_EHCI | |
354 | select USB_EHCI_BIG_ENDIAN_DESC | |
355 | select USB_EHCI_BIG_ENDIAN_MMIO | |
356 | help | |
357 | This enables support for the MIPS Technologies SEAD3 evaluation | |
358 | board. | |
359 | ||
a83860c2 RB |
360 | config NEC_MARKEINS |
361 | bool "NEC EMMA2RH Mark-eins board" | |
362 | select SOC_EMMA2RH | |
363 | select HW_HAS_PCI | |
364 | help | |
365 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 366 | |
5e83d430 | 367 | config MACH_VR41XX |
74142d65 | 368 | bool "NEC VR4100 series based machines" |
42f77542 | 369 | select CEVT_R4K |
940f6b48 | 370 | select CSRC_R4K |
7cf8053b | 371 | select SYS_HAS_CPU_VR41XX |
27fdd325 | 372 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 373 | |
edb6310a DL |
374 | config NXP_STB220 |
375 | bool "NXP STB220 board" | |
376 | select SOC_PNX833X | |
377 | help | |
378 | Support for NXP Semiconductors STB220 Development Board. | |
379 | ||
380 | config NXP_STB225 | |
381 | bool "NXP 225 board" | |
382 | select SOC_PNX833X | |
383 | select SOC_PNX8335 | |
384 | help | |
385 | Support for NXP Semiconductors STB225 Development Board. | |
386 | ||
ade299d8 | 387 | config PNX8550_JBS |
a92b0588 | 388 | bool "NXP PNX8550 based JBS board" |
ade299d8 YY |
389 | select PNX8550 |
390 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
391 | ||
392 | config PNX8550_STB810 | |
a92b0588 | 393 | bool "NXP PNX8550 based STB810 board" |
ade299d8 YY |
394 | select PNX8550 |
395 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
396 | ||
9267a30d MSJ |
397 | config PMC_MSP |
398 | bool "PMC-Sierra MSP chipsets" | |
399 | depends on EXPERIMENTAL | |
39d30c13 A |
400 | select CEVT_R4K |
401 | select CSRC_R4K | |
9267a30d MSJ |
402 | select DMA_NONCOHERENT |
403 | select SWAP_IO_SPACE | |
404 | select NO_EXCEPT_FILL | |
405 | select BOOT_RAW | |
406 | select SYS_HAS_CPU_MIPS32_R1 | |
407 | select SYS_HAS_CPU_MIPS32_R2 | |
408 | select SYS_SUPPORTS_32BIT_KERNEL | |
409 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
410 | select IRQ_CPU |
411 | select SERIAL_8250 | |
412 | select SERIAL_8250_CONSOLE | |
413 | help | |
414 | This adds support for the PMC-Sierra family of Multi-Service | |
415 | Processor System-On-A-Chips. These parts include a number | |
416 | of integrated peripherals, interfaces and DSPs in addition to | |
417 | a variety of MIPS cores. | |
418 | ||
a3a0f8c8 DV |
419 | config POWERTV |
420 | bool "Cisco PowerTV" | |
421 | select BOOT_ELF32 | |
422 | select CEVT_R4K | |
423 | select CPU_MIPSR2_IRQ_VI | |
424 | select CPU_MIPSR2_IRQ_EI | |
425 | select CSRC_POWERTV | |
426 | select DMA_NONCOHERENT | |
427 | select HW_HAS_PCI | |
428 | select SYS_HAS_EARLY_PRINTK | |
429 | select SYS_HAS_CPU_MIPS32_R2 | |
430 | select SYS_SUPPORTS_32BIT_KERNEL | |
431 | select SYS_SUPPORTS_BIG_ENDIAN | |
432 | select SYS_SUPPORTS_HIGHMEM | |
433 | select USB_OHCI_LITTLE_ENDIAN | |
434 | help | |
435 | This enables support for the Cisco PowerTV Platform. | |
436 | ||
1da177e4 | 437 | config SGI_IP22 |
3fa986fa | 438 | bool "SGI IP22 (Indy/Indigo2)" |
0e2794b0 RB |
439 | select FW_ARC |
440 | select FW_ARC32 | |
1da177e4 | 441 | select BOOT_ELF32 |
42f77542 | 442 | select CEVT_R4K |
940f6b48 | 443 | select CSRC_R4K |
e2defae5 | 444 | select DEFAULT_SGI_PARTITION |
1da177e4 | 445 | select DMA_NONCOHERENT |
5e83d430 | 446 | select HW_HAS_EISA |
d865bea4 | 447 | select I8253 |
68de4803 | 448 | select I8259 |
1da177e4 LT |
449 | select IP22_CPU_SCACHE |
450 | select IRQ_CPU | |
aa414dff | 451 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
452 | select SGI_HAS_I8042 |
453 | select SGI_HAS_INDYDOG | |
36e5c21d | 454 | select SGI_HAS_HAL2 |
e2defae5 TB |
455 | select SGI_HAS_SEEQ |
456 | select SGI_HAS_WD93 | |
457 | select SGI_HAS_ZILOG | |
1da177e4 | 458 | select SWAP_IO_SPACE |
7cf8053b RB |
459 | select SYS_HAS_CPU_R4X00 |
460 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
461 | # |
462 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
463 | # memory during early boot on some machines. | |
464 | # | |
465 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
466 | # for a more details discussion | |
467 | # | |
468 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
469 | select SYS_SUPPORTS_32BIT_KERNEL |
470 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 471 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
472 | help |
473 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
474 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
475 | that runs on these, say Y here. | |
476 | ||
477 | config SGI_IP27 | |
3fa986fa | 478 | bool "SGI IP27 (Origin200/2000)" |
0e2794b0 RB |
479 | select FW_ARC |
480 | select FW_ARC64 | |
5e83d430 | 481 | select BOOT_ELF64 |
e2defae5 | 482 | select DEFAULT_SGI_PARTITION |
634286f1 | 483 | select DMA_COHERENT |
36a88530 | 484 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 485 | select HW_HAS_PCI |
130e2fb7 | 486 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 487 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 488 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 489 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 490 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 491 | select SYS_SUPPORTS_SMP |
1da177e4 LT |
492 | help |
493 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
494 | workstations. To compile a Linux kernel that runs on these, say Y | |
495 | here. | |
496 | ||
e2defae5 TB |
497 | config SGI_IP28 |
498 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
499 | depends on EXPERIMENTAL | |
0e2794b0 RB |
500 | select FW_ARC |
501 | select FW_ARC64 | |
e2defae5 TB |
502 | select BOOT_ELF64 |
503 | select CEVT_R4K | |
504 | select CSRC_R4K | |
505 | select DEFAULT_SGI_PARTITION | |
506 | select DMA_NONCOHERENT | |
507 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
508 | select IRQ_CPU | |
509 | select HW_HAS_EISA | |
510 | select I8253 | |
511 | select I8259 | |
e2defae5 TB |
512 | select SGI_HAS_I8042 |
513 | select SGI_HAS_INDYDOG | |
5b438c44 | 514 | select SGI_HAS_HAL2 |
e2defae5 TB |
515 | select SGI_HAS_SEEQ |
516 | select SGI_HAS_WD93 | |
517 | select SGI_HAS_ZILOG | |
518 | select SWAP_IO_SPACE | |
519 | select SYS_HAS_CPU_R10000 | |
2b5e63f6 MM |
520 | # |
521 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
522 | # memory during early boot on some machines. | |
523 | # | |
524 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
525 | # for a more details discussion | |
526 | # | |
527 | # select SYS_HAS_EARLY_PRINTK | |
e2defae5 TB |
528 | select SYS_SUPPORTS_64BIT_KERNEL |
529 | select SYS_SUPPORTS_BIG_ENDIAN | |
530 | help | |
531 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
532 | kernel that runs on these, say Y here. | |
533 | ||
1da177e4 | 534 | config SGI_IP32 |
cfd2afc0 | 535 | bool "SGI IP32 (O2)" |
0e2794b0 RB |
536 | select FW_ARC |
537 | select FW_ARC32 | |
1da177e4 | 538 | select BOOT_ELF32 |
42f77542 | 539 | select CEVT_R4K |
940f6b48 | 540 | select CSRC_R4K |
1da177e4 LT |
541 | select DMA_NONCOHERENT |
542 | select HW_HAS_PCI | |
dd67b155 | 543 | select IRQ_CPU |
1da177e4 LT |
544 | select R5000_CPU_SCACHE |
545 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
546 | select SYS_HAS_CPU_R5000 |
547 | select SYS_HAS_CPU_R10000 if BROKEN | |
548 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 549 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 550 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 551 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 552 | help |
5e83d430 | 553 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 554 | |
ade299d8 YY |
555 | config SIBYTE_CRHINE |
556 | bool "Sibyte BCM91120C-CRhine" | |
557 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
558 | select BOOT_ELF32 |
559 | select DMA_COHERENT | |
ade299d8 | 560 | select SIBYTE_BCM1120 |
9a6dcea1 | 561 | select SWAP_IO_SPACE |
7cf8053b | 562 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
563 | select SYS_SUPPORTS_BIG_ENDIAN |
564 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
565 | ||
ade299d8 YY |
566 | config SIBYTE_CARMEL |
567 | bool "Sibyte BCM91120x-Carmel" | |
568 | depends on EXPERIMENTAL | |
5e83d430 | 569 | select BOOT_ELF32 |
1da177e4 | 570 | select DMA_COHERENT |
ade299d8 | 571 | select SIBYTE_BCM1120 |
5e83d430 | 572 | select SWAP_IO_SPACE |
7cf8053b | 573 | select SYS_HAS_CPU_SB1 |
81731f79 | 574 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 575 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 576 | |
ade299d8 YY |
577 | config SIBYTE_CRHONE |
578 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
579 | depends on EXPERIMENTAL |
580 | select BOOT_ELF32 | |
581 | select DMA_COHERENT | |
ade299d8 | 582 | select SIBYTE_BCM1125 |
5e83d430 | 583 | select SWAP_IO_SPACE |
7cf8053b | 584 | select SYS_HAS_CPU_SB1 |
5e83d430 | 585 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 586 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 587 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 588 | |
5e83d430 | 589 | config SIBYTE_RHONE |
3fa986fa | 590 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
591 | depends on EXPERIMENTAL |
592 | select BOOT_ELF32 | |
593 | select DMA_COHERENT | |
594 | select SIBYTE_BCM1125H | |
595 | select SWAP_IO_SPACE | |
7cf8053b | 596 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
597 | select SYS_SUPPORTS_BIG_ENDIAN |
598 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 599 | |
ade299d8 YY |
600 | config SIBYTE_SWARM |
601 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 602 | select BOOT_ELF32 |
26a940e2 | 603 | select DMA_COHERENT |
fcf3ca4c | 604 | select HAVE_PATA_PLATFORM |
ade299d8 YY |
605 | select NR_CPUS_DEFAULT_2 |
606 | select SIBYTE_SB1250 | |
5e83d430 | 607 | select SWAP_IO_SPACE |
7cf8053b | 608 | select SYS_HAS_CPU_SB1 |
5e83d430 | 609 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 610 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 611 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 612 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 613 | |
ade299d8 YY |
614 | config SIBYTE_LITTLESUR |
615 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
616 | depends on EXPERIMENTAL |
617 | select BOOT_ELF32 | |
618 | select DMA_COHERENT | |
fcf3ca4c | 619 | select HAVE_PATA_PLATFORM |
130e2fb7 | 620 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
621 | select SIBYTE_SB1250 |
622 | select SWAP_IO_SPACE | |
7cf8053b | 623 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
624 | select SYS_SUPPORTS_BIG_ENDIAN |
625 | select SYS_SUPPORTS_HIGHMEM | |
626 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 627 | |
ade299d8 YY |
628 | config SIBYTE_SENTOSA |
629 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
630 | depends on EXPERIMENTAL |
631 | select BOOT_ELF32 | |
632 | select DMA_COHERENT | |
130e2fb7 | 633 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
634 | select SIBYTE_SB1250 |
635 | select SWAP_IO_SPACE | |
7cf8053b | 636 | select SYS_HAS_CPU_SB1 |
5e83d430 | 637 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 638 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 639 | |
ade299d8 YY |
640 | config SIBYTE_BIGSUR |
641 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
642 | select BOOT_ELF32 |
643 | select DMA_COHERENT | |
ade299d8 | 644 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 645 | select SIBYTE_BCM1x80 |
5e83d430 | 646 | select SWAP_IO_SPACE |
7cf8053b | 647 | select SYS_HAS_CPU_SB1 |
5e83d430 | 648 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 649 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 650 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 651 | select ZONE_DMA32 if 64BIT |
1da177e4 | 652 | |
14b36af4 TB |
653 | config SNI_RM |
654 | bool "SNI RM200/300/400" | |
0e2794b0 RB |
655 | select FW_ARC if CPU_LITTLE_ENDIAN |
656 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 657 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 658 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 659 | select BOOT_ELF32 |
42f77542 | 660 | select CEVT_R4K |
940f6b48 | 661 | select CSRC_R4K |
e2defae5 | 662 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
663 | select DMA_NONCOHERENT |
664 | select GENERIC_ISA_DMA | |
8a118c38 | 665 | select HAVE_PCSPKR_PLATFORM |
5e83d430 | 666 | select HW_HAS_EISA |
1da177e4 | 667 | select HW_HAS_PCI |
c066a32a | 668 | select IRQ_CPU |
d865bea4 | 669 | select I8253 |
1da177e4 LT |
670 | select I8259 |
671 | select ISA | |
4a0312fc | 672 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 673 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 674 | select SYS_HAS_CPU_R5000 |
c066a32a | 675 | select SYS_HAS_CPU_R10000 |
4a0312fc | 676 | select R5000_CPU_SCACHE |
36a88530 | 677 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
678 | select SYS_SUPPORTS_32BIT_KERNEL |
679 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 680 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 681 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 682 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 683 | help |
14b36af4 TB |
684 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
685 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
686 | Technology and now in turn merged with Fujitsu. Say Y here to |
687 | support this machine type. | |
688 | ||
edcaf1a6 AN |
689 | config MACH_TX39XX |
690 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 691 | |
edcaf1a6 AN |
692 | config MACH_TX49XX |
693 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 694 | |
73b4390f RB |
695 | config MIKROTIK_RB532 |
696 | bool "Mikrotik RB532 boards" | |
697 | select CEVT_R4K | |
698 | select CSRC_R4K | |
699 | select DMA_NONCOHERENT | |
73b4390f RB |
700 | select HW_HAS_PCI |
701 | select IRQ_CPU | |
702 | select SYS_HAS_CPU_MIPS32_R1 | |
703 | select SYS_SUPPORTS_32BIT_KERNEL | |
704 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
705 | select SWAP_IO_SPACE | |
706 | select BOOT_RAW | |
d888e25b | 707 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
708 | help |
709 | Support the Mikrotik(tm) RouterBoard 532 series, | |
710 | based on the IDT RC32434 SoC. | |
711 | ||
ade299d8 YY |
712 | config WR_PPMC |
713 | bool "Wind River PPMC board" | |
42f77542 | 714 | select CEVT_R4K |
940f6b48 | 715 | select CSRC_R4K |
ade299d8 YY |
716 | select IRQ_CPU |
717 | select BOOT_ELF32 | |
718 | select DMA_NONCOHERENT | |
719 | select HW_HAS_PCI | |
720 | select PCI_GT64XXX_PCI0 | |
721 | select SWAP_IO_SPACE | |
722 | select SYS_HAS_CPU_MIPS32_R1 | |
723 | select SYS_HAS_CPU_MIPS32_R2 | |
724 | select SYS_HAS_CPU_MIPS64_R1 | |
725 | select SYS_HAS_CPU_NEVADA | |
726 | select SYS_HAS_CPU_RM7000 | |
727 | select SYS_SUPPORTS_32BIT_KERNEL | |
728 | select SYS_SUPPORTS_64BIT_KERNEL | |
729 | select SYS_SUPPORTS_BIG_ENDIAN | |
730 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
731 | help | |
732 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
733 | board, which is based on GT64120 bridge chip. | |
734 | ||
a86c7f72 | 735 | config CAVIUM_OCTEON_SIMULATOR |
c9d89d97 | 736 | bool "Cavium Networks Octeon Simulator" |
a86c7f72 DD |
737 | select CEVT_R4K |
738 | select 64BIT_PHYS_ADDR | |
739 | select DMA_COHERENT | |
740 | select SYS_SUPPORTS_64BIT_KERNEL | |
741 | select SYS_SUPPORTS_BIG_ENDIAN | |
773cb77d | 742 | select SYS_SUPPORTS_HOTPLUG_CPU |
5e683389 | 743 | select SYS_HAS_CPU_CAVIUM_OCTEON |
465aaed0 | 744 | select HOLES_IN_ZONE |
a86c7f72 DD |
745 | help |
746 | The Octeon simulator is software performance model of the Cavium | |
747 | Octeon Processor. It supports simulating Octeon processors on x86 | |
748 | hardware. | |
749 | ||
750 | config CAVIUM_OCTEON_REFERENCE_BOARD | |
c9d89d97 | 751 | bool "Cavium Networks Octeon reference board" |
a86c7f72 DD |
752 | select CEVT_R4K |
753 | select 64BIT_PHYS_ADDR | |
754 | select DMA_COHERENT | |
755 | select SYS_SUPPORTS_64BIT_KERNEL | |
756 | select SYS_SUPPORTS_BIG_ENDIAN | |
f65aad41 | 757 | select EDAC_SUPPORT |
773cb77d | 758 | select SYS_SUPPORTS_HOTPLUG_CPU |
a86c7f72 | 759 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 760 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 761 | select SWAP_IO_SPACE |
e8635b48 DD |
762 | select HW_HAS_PCI |
763 | select ARCH_SUPPORTS_MSI | |
f00e001e | 764 | select ZONE_DMA32 |
340fbb8b DD |
765 | select USB_ARCH_HAS_OHCI |
766 | select USB_ARCH_HAS_EHCI | |
465aaed0 | 767 | select HOLES_IN_ZONE |
a86c7f72 DD |
768 | help |
769 | This option supports all of the Octeon reference boards from Cavium | |
770 | Networks. It builds a kernel that dynamically determines the Octeon | |
771 | CPU type and supports all known board reference implementations. | |
772 | Some of the supported boards are: | |
773 | EBT3000 | |
774 | EBH3000 | |
775 | EBH3100 | |
776 | Thunder | |
777 | Kodama | |
778 | Hikari | |
779 | Say Y here for most Octeon reference boards. | |
780 | ||
7f058e85 J |
781 | config NLM_XLR_BOARD |
782 | bool "Netlogic XLR/XLS based systems" | |
783 | depends on EXPERIMENTAL | |
784 | select BOOT_ELF32 | |
785 | select NLM_COMMON | |
7f058e85 J |
786 | select SYS_HAS_CPU_XLR |
787 | select SYS_SUPPORTS_SMP | |
788 | select HW_HAS_PCI | |
789 | select SWAP_IO_SPACE | |
790 | select SYS_SUPPORTS_32BIT_KERNEL | |
791 | select SYS_SUPPORTS_64BIT_KERNEL | |
792 | select 64BIT_PHYS_ADDR | |
793 | select SYS_SUPPORTS_BIG_ENDIAN | |
794 | select SYS_SUPPORTS_HIGHMEM | |
795 | select DMA_COHERENT | |
796 | select NR_CPUS_DEFAULT_32 | |
797 | select CEVT_R4K | |
798 | select CSRC_R4K | |
799 | select IRQ_CPU | |
f32671a8 | 800 | select ARCH_SUPPORTS_MSI |
b97215fd | 801 | select ZONE_DMA32 if 64BIT |
7f058e85 J |
802 | select SYNC_R4K |
803 | select SYS_HAS_EARLY_PRINTK | |
f35574a3 J |
804 | select USB_ARCH_HAS_OHCI if USB_SUPPORT |
805 | select USB_ARCH_HAS_EHCI if USB_SUPPORT | |
7f058e85 J |
806 | help |
807 | Support for systems based on Netlogic XLR and XLS processors. | |
808 | Say Y here if you have a XLR or XLS based board. | |
809 | ||
1c773ea4 J |
810 | config NLM_XLP_BOARD |
811 | bool "Netlogic XLP based systems" | |
812 | depends on EXPERIMENTAL | |
813 | select BOOT_ELF32 | |
814 | select NLM_COMMON | |
815 | select SYS_HAS_CPU_XLP | |
816 | select SYS_SUPPORTS_SMP | |
817 | select HW_HAS_PCI | |
1c773ea4 J |
818 | select SYS_SUPPORTS_32BIT_KERNEL |
819 | select SYS_SUPPORTS_64BIT_KERNEL | |
820 | select 64BIT_PHYS_ADDR | |
821 | select SYS_SUPPORTS_BIG_ENDIAN | |
822 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
823 | select SYS_SUPPORTS_HIGHMEM | |
824 | select DMA_COHERENT | |
825 | select NR_CPUS_DEFAULT_32 | |
826 | select CEVT_R4K | |
827 | select CSRC_R4K | |
828 | select IRQ_CPU | |
b97215fd | 829 | select ZONE_DMA32 if 64BIT |
1c773ea4 J |
830 | select SYNC_R4K |
831 | select SYS_HAS_EARLY_PRINTK | |
2f6528e1 | 832 | select USE_OF |
1c773ea4 J |
833 | help |
834 | This board is based on Netlogic XLP Processor. | |
835 | Say Y here if you have a XLP based board. | |
836 | ||
5e83d430 | 837 | endchoice |
1da177e4 | 838 | |
e8c7c482 | 839 | source "arch/mips/alchemy/Kconfig" |
d4a67d9d | 840 | source "arch/mips/ath79/Kconfig" |
a656ffcb | 841 | source "arch/mips/bcm47xx/Kconfig" |
e7300d04 | 842 | source "arch/mips/bcm63xx/Kconfig" |
5e83d430 | 843 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 844 | source "arch/mips/jz4740/Kconfig" |
8ec6d935 | 845 | source "arch/mips/lantiq/Kconfig" |
1f21d2bd | 846 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 847 | source "arch/mips/pmc-sierra/Kconfig" |
a3a0f8c8 | 848 | source "arch/mips/powertv/Kconfig" |
29c48699 | 849 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 850 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 851 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 852 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 853 | source "arch/mips/cavium-octeon/Kconfig" |
85749d24 | 854 | source "arch/mips/loongson/Kconfig" |
ca585cf9 | 855 | source "arch/mips/loongson1/Kconfig" |
7f058e85 | 856 | source "arch/mips/netlogic/Kconfig" |
38b18f72 | 857 | |
5e83d430 RB |
858 | endmenu |
859 | ||
1da177e4 LT |
860 | config RWSEM_GENERIC_SPINLOCK |
861 | bool | |
862 | default y | |
863 | ||
864 | config RWSEM_XCHGADD_ALGORITHM | |
865 | bool | |
866 | ||
f0d1b0b3 DH |
867 | config ARCH_HAS_ILOG2_U32 |
868 | bool | |
869 | default n | |
870 | ||
871 | config ARCH_HAS_ILOG2_U64 | |
872 | bool | |
873 | default n | |
874 | ||
3c9ee7ef AM |
875 | config GENERIC_HWEIGHT |
876 | bool | |
877 | default y | |
878 | ||
1da177e4 LT |
879 | config GENERIC_CALIBRATE_DELAY |
880 | bool | |
881 | default y | |
882 | ||
ae1e9130 | 883 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
884 | bool |
885 | default y | |
886 | ||
1da177e4 LT |
887 | # |
888 | # Select some configuration options automatically based on user selections. | |
889 | # | |
0e2794b0 | 890 | config FW_ARC |
1da177e4 | 891 | bool |
1da177e4 | 892 | |
61ed242d RB |
893 | config ARCH_MAY_HAVE_PC_FDC |
894 | bool | |
895 | ||
9267a30d MSJ |
896 | config BOOT_RAW |
897 | bool | |
898 | ||
217dd11e RB |
899 | config CEVT_BCM1480 |
900 | bool | |
901 | ||
6457d9fc YY |
902 | config CEVT_DS1287 |
903 | bool | |
904 | ||
1097c6ac YY |
905 | config CEVT_GT641XX |
906 | bool | |
907 | ||
42f77542 RB |
908 | config CEVT_R4K |
909 | bool | |
910 | ||
217dd11e RB |
911 | config CEVT_SB1250 |
912 | bool | |
913 | ||
229f773e AN |
914 | config CEVT_TXX9 |
915 | bool | |
916 | ||
217dd11e RB |
917 | config CSRC_BCM1480 |
918 | bool | |
919 | ||
4247417d YY |
920 | config CSRC_IOASIC |
921 | bool | |
922 | ||
a3a0f8c8 DV |
923 | config CSRC_POWERTV |
924 | bool | |
925 | ||
940f6b48 RB |
926 | config CSRC_R4K |
927 | bool | |
928 | ||
217dd11e RB |
929 | config CSRC_SB1250 |
930 | bool | |
931 | ||
a9aec7fe AN |
932 | config GPIO_TXX9 |
933 | select GENERIC_GPIO | |
7444a72e | 934 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
935 | bool |
936 | ||
0e2794b0 | 937 | config FW_CFE |
df78b5c8 AJ |
938 | bool |
939 | ||
4bafad92 FT |
940 | config ARCH_DMA_ADDR_T_64BIT |
941 | def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT | |
942 | ||
4ce588cd | 943 | config DMA_COHERENT |
1da177e4 LT |
944 | bool |
945 | ||
4ce588cd RB |
946 | config DMA_NONCOHERENT |
947 | bool | |
e1e02b32 | 948 | select NEED_DMA_MAP_STATE |
4ce588cd | 949 | |
e1e02b32 | 950 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
951 | bool |
952 | ||
36a88530 | 953 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 954 | bool |
1da177e4 | 955 | |
dbb74540 | 956 | config HOTPLUG_CPU |
1b2bc75c RB |
957 | bool "Support for hot-pluggable CPUs" |
958 | depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU | |
959 | help | |
960 | Say Y here to allow turning CPUs off and on. CPUs can be | |
961 | controlled through /sys/devices/system/cpu. | |
962 | (Note: power management support will enable this option | |
963 | automatically on SMP systems. ) | |
964 | Say N if you want to disable CPU hotplug. | |
965 | ||
966 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 967 | bool |
dbb74540 | 968 | |
1da177e4 LT |
969 | config I8259 |
970 | bool | |
1da177e4 | 971 | |
1da177e4 LT |
972 | config MIPS_BONITO64 |
973 | bool | |
1da177e4 LT |
974 | |
975 | config MIPS_MSC | |
976 | bool | |
1da177e4 | 977 | |
1f21d2bd BM |
978 | config MIPS_NILE4 |
979 | bool | |
980 | ||
1da177e4 LT |
981 | config MIPS_DISABLE_OBSOLETE_IDE |
982 | bool | |
983 | ||
39b8d525 RB |
984 | config SYNC_R4K |
985 | bool | |
986 | ||
487d70d0 GJ |
987 | config MIPS_MACHINE |
988 | def_bool n | |
989 | ||
d388d685 MR |
990 | config NO_IOPORT |
991 | def_bool n | |
992 | ||
8313da30 RB |
993 | config GENERIC_ISA_DMA |
994 | bool | |
995 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 996 | select ISA_DMA_API |
8313da30 | 997 | |
aa414dff RB |
998 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
999 | bool | |
8313da30 | 1000 | select GENERIC_ISA_DMA |
aa414dff | 1001 | |
a35bee8a NK |
1002 | config ISA_DMA_API |
1003 | bool | |
1004 | ||
09663335 YY |
1005 | config GENERIC_GPIO |
1006 | bool | |
1007 | ||
465aaed0 DD |
1008 | config HOLES_IN_ZONE |
1009 | bool | |
1010 | ||
5e83d430 | 1011 | # |
6b2aac42 | 1012 | # Endianness selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
1013 | # answer,so we try hard to limit the available choices. Also the use of a |
1014 | # choice statement should be more obvious to the user. | |
1015 | # | |
1016 | choice | |
6b2aac42 | 1017 | prompt "Endianness selection" |
1da177e4 LT |
1018 | help |
1019 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 1020 | byte order. These modes require different kernels and a different |
3cb2fccc | 1021 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 1022 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 1023 | one or the other endianness. |
5e83d430 RB |
1024 | |
1025 | config CPU_BIG_ENDIAN | |
1026 | bool "Big endian" | |
1027 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
1028 | ||
1029 | config CPU_LITTLE_ENDIAN | |
1030 | bool "Little endian" | |
1031 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
1032 | help | |
1033 | ||
1034 | endchoice | |
1035 | ||
22b0763a DD |
1036 | config EXPORT_UASM |
1037 | bool | |
1038 | ||
2116245e RB |
1039 | config SYS_SUPPORTS_APM_EMULATION |
1040 | bool | |
1041 | ||
5e83d430 RB |
1042 | config SYS_SUPPORTS_BIG_ENDIAN |
1043 | bool | |
1044 | ||
1045 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
1046 | bool | |
1da177e4 | 1047 | |
9cffd154 DD |
1048 | config SYS_SUPPORTS_HUGETLBFS |
1049 | bool | |
1050 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1051 | default y | |
1052 | ||
aa1762f4 DD |
1053 | config MIPS_HUGE_TLB_SUPPORT |
1054 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1055 | ||
1da177e4 LT |
1056 | config IRQ_CPU |
1057 | bool | |
1058 | ||
1059 | config IRQ_CPU_RM7K | |
1060 | bool | |
1061 | ||
9267a30d MSJ |
1062 | config IRQ_MSP_SLP |
1063 | bool | |
1064 | ||
1065 | config IRQ_MSP_CIC | |
1066 | bool | |
1067 | ||
8420fd00 AN |
1068 | config IRQ_TXX9 |
1069 | bool | |
1070 | ||
d5ab1a69 YY |
1071 | config IRQ_GT641XX |
1072 | bool | |
1073 | ||
39b8d525 RB |
1074 | config IRQ_GIC |
1075 | bool | |
1076 | ||
1da177e4 LT |
1077 | config MIPS_BOARDS_GEN |
1078 | bool | |
1da177e4 | 1079 | |
252161ec | 1080 | config PCI_GT64XXX_PCI0 |
1da177e4 | 1081 | bool |
1da177e4 | 1082 | |
9267a30d MSJ |
1083 | config NO_EXCEPT_FILL |
1084 | bool | |
1085 | ||
a83860c2 RB |
1086 | config SOC_EMMA2RH |
1087 | bool | |
1088 | select CEVT_R4K | |
1089 | select CSRC_R4K | |
1090 | select DMA_NONCOHERENT | |
1091 | select IRQ_CPU | |
1092 | select SWAP_IO_SPACE | |
1093 | select SYS_HAS_CPU_R5500 | |
1094 | select SYS_SUPPORTS_32BIT_KERNEL | |
1095 | select SYS_SUPPORTS_64BIT_KERNEL | |
1096 | select SYS_SUPPORTS_BIG_ENDIAN | |
1097 | ||
edb6310a DL |
1098 | config SOC_PNX833X |
1099 | bool | |
1100 | select CEVT_R4K | |
1101 | select CSRC_R4K | |
1102 | select IRQ_CPU | |
1103 | select DMA_NONCOHERENT | |
1104 | select SYS_HAS_CPU_MIPS32_R2 | |
1105 | select SYS_SUPPORTS_32BIT_KERNEL | |
1106 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1107 | select SYS_SUPPORTS_BIG_ENDIAN | |
edb6310a DL |
1108 | select GENERIC_GPIO |
1109 | select CPU_MIPSR2_IRQ_VI | |
1110 | ||
1111 | config SOC_PNX8335 | |
1112 | bool | |
1113 | select SOC_PNX833X | |
1114 | ||
bdf21b18 PP |
1115 | config PNX8550 |
1116 | bool | |
1117 | select SOC_PNX8550 | |
1118 | ||
1119 | config SOC_PNX8550 | |
1120 | bool | |
bdf21b18 PP |
1121 | select DMA_NONCOHERENT |
1122 | select HW_HAS_PCI | |
b8c2a77c | 1123 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 1124 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 1125 | select SYS_SUPPORTS_32BIT_KERNEL |
4ead1681 | 1126 | select GENERIC_GPIO |
bdf21b18 | 1127 | |
1da177e4 LT |
1128 | config SWAP_IO_SPACE |
1129 | bool | |
1130 | ||
e2defae5 TB |
1131 | config SGI_HAS_INDYDOG |
1132 | bool | |
1133 | ||
5b438c44 TB |
1134 | config SGI_HAS_HAL2 |
1135 | bool | |
1136 | ||
e2defae5 TB |
1137 | config SGI_HAS_SEEQ |
1138 | bool | |
1139 | ||
1140 | config SGI_HAS_WD93 | |
1141 | bool | |
1142 | ||
1143 | config SGI_HAS_ZILOG | |
1144 | bool | |
1145 | ||
1146 | config SGI_HAS_I8042 | |
1147 | bool | |
1148 | ||
1149 | config DEFAULT_SGI_PARTITION | |
1150 | bool | |
1151 | ||
0e2794b0 | 1152 | config FW_ARC32 |
5e83d430 RB |
1153 | bool |
1154 | ||
231a35d3 TB |
1155 | config SNIPROM |
1156 | bool | |
1157 | ||
1da177e4 LT |
1158 | config BOOT_ELF32 |
1159 | bool | |
1da177e4 LT |
1160 | |
1161 | config MIPS_L1_CACHE_SHIFT | |
1162 | int | |
c7088755 | 1163 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL |
0db2b74e | 1164 | default "6" if MIPS_CPU_SCACHE |
a86c7f72 | 1165 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1166 | default "5" |
1167 | ||
1da177e4 LT |
1168 | config HAVE_STD_PC_SERIAL_PORT |
1169 | bool | |
1170 | ||
1da177e4 LT |
1171 | config ARC_CONSOLE |
1172 | bool "ARC console support" | |
e2defae5 | 1173 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1174 | |
1175 | config ARC_MEMORY | |
1176 | bool | |
14b36af4 | 1177 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1178 | default y |
1179 | ||
1180 | config ARC_PROMLIB | |
1181 | bool | |
e2defae5 | 1182 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1183 | default y |
1184 | ||
0e2794b0 | 1185 | config FW_ARC64 |
1da177e4 | 1186 | bool |
1da177e4 LT |
1187 | |
1188 | config BOOT_ELF64 | |
1189 | bool | |
1da177e4 | 1190 | |
1da177e4 LT |
1191 | menu "CPU selection" |
1192 | ||
1193 | choice | |
1194 | prompt "CPU type" | |
1195 | default CPU_R4X00 | |
1196 | ||
3702bba5 WZ |
1197 | config CPU_LOONGSON2E |
1198 | bool "Loongson 2E" | |
1199 | depends on SYS_HAS_CPU_LOONGSON2E | |
1200 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1201 | help |
1202 | The Loongson 2E processor implements the MIPS III instruction set | |
1203 | with many extensions. | |
1204 | ||
25985edc | 1205 | It has an internal FPGA northbridge, which is compatible to |
6f7a251a WZ |
1206 | bonito64. |
1207 | ||
1208 | config CPU_LOONGSON2F | |
1209 | bool "Loongson 2F" | |
1210 | depends on SYS_HAS_CPU_LOONGSON2F | |
1211 | select CPU_LOONGSON2 | |
c197da91 AP |
1212 | select GENERIC_GPIO |
1213 | select ARCH_REQUIRE_GPIOLIB | |
6f7a251a WZ |
1214 | help |
1215 | The Loongson 2F processor implements the MIPS III instruction set | |
1216 | with many extensions. | |
1217 | ||
1218 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1219 | have a similar programming interface with FPGA northbridge used in | |
1220 | Loongson2E. | |
1221 | ||
ca585cf9 KC |
1222 | config CPU_LOONGSON1B |
1223 | bool "Loongson 1B" | |
1224 | depends on SYS_HAS_CPU_LOONGSON1B | |
1225 | select CPU_LOONGSON1 | |
1226 | help | |
1227 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1228 | release 2 instruction set. | |
1229 | ||
6e760c8d RB |
1230 | config CPU_MIPS32_R1 |
1231 | bool "MIPS32 Release 1" | |
7cf8053b | 1232 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1233 | select CPU_HAS_PREFETCH |
797798c1 | 1234 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1235 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1236 | help |
5e83d430 | 1237 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1238 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1239 | MIPS processor are based on a MIPS32 processor. If you know the | |
1240 | specific type of processor in your system, choose those that one | |
1241 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1242 | Release 2 of the MIPS32 architecture is available since several | |
1243 | years so chances are you even have a MIPS32 Release 2 processor | |
1244 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1245 | performance. | |
1246 | ||
1247 | config CPU_MIPS32_R2 | |
1248 | bool "MIPS32 Release 2" | |
7cf8053b | 1249 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1250 | select CPU_HAS_PREFETCH |
797798c1 | 1251 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1252 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1253 | help |
5e83d430 | 1254 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1255 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1256 | MIPS processor are based on a MIPS32 processor. If you know the | |
1257 | specific type of processor in your system, choose those that one | |
1258 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1259 | ||
1260 | config CPU_MIPS64_R1 | |
1261 | bool "MIPS64 Release 1" | |
7cf8053b | 1262 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1263 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1264 | select CPU_SUPPORTS_32BIT_KERNEL |
1265 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1266 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1267 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1268 | help |
1269 | Choose this option to build a kernel for release 1 or later of the | |
1270 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1271 | MIPS processor are based on a MIPS64 processor. If you know the | |
1272 | specific type of processor in your system, choose those that one | |
1273 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1274 | Release 2 of the MIPS64 architecture is available since several |
1275 | years so chances are you even have a MIPS64 Release 2 processor | |
1276 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1277 | performance. | |
1278 | ||
1279 | config CPU_MIPS64_R2 | |
1280 | bool "MIPS64 Release 2" | |
7cf8053b | 1281 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1282 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1283 | select CPU_SUPPORTS_32BIT_KERNEL |
1284 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1285 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1286 | select CPU_SUPPORTS_HUGEPAGES |
1e5f1caa RB |
1287 | help |
1288 | Choose this option to build a kernel for release 2 or later of the | |
1289 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1290 | MIPS processor are based on a MIPS64 processor. If you know the | |
1291 | specific type of processor in your system, choose those that one | |
1292 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1293 | |
1294 | config CPU_R3000 | |
1295 | bool "R3000" | |
7cf8053b | 1296 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1297 | select CPU_HAS_WB |
ed5ba2fb | 1298 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1299 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1300 | help |
1301 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1302 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1303 | *not* work on R4000 machines and vice versa. However, since most | |
1304 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1305 | might be a safe bet. If the resulting kernel does not work, | |
1306 | try to recompile with R3000. | |
1307 | ||
1308 | config CPU_TX39XX | |
1309 | bool "R39XX" | |
7cf8053b | 1310 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1311 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1312 | |
1313 | config CPU_VR41XX | |
1314 | bool "R41xx" | |
7cf8053b | 1315 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1316 | select CPU_SUPPORTS_32BIT_KERNEL |
1317 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1318 | help |
5e83d430 | 1319 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1320 | Only choose this option if you have one of these processors as a |
1321 | kernel built with this option will not run on any other type of | |
1322 | processor or vice versa. | |
1323 | ||
1324 | config CPU_R4300 | |
1325 | bool "R4300" | |
7cf8053b | 1326 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1327 | select CPU_SUPPORTS_32BIT_KERNEL |
1328 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1329 | help |
1330 | MIPS Technologies R4300-series processors. | |
1331 | ||
1332 | config CPU_R4X00 | |
1333 | bool "R4x00" | |
7cf8053b | 1334 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1335 | select CPU_SUPPORTS_32BIT_KERNEL |
1336 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1337 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1338 | help |
1339 | MIPS Technologies R4000-series processors other than 4300, including | |
1340 | the R4000, R4400, R4600, and 4700. | |
1341 | ||
1342 | config CPU_TX49XX | |
1343 | bool "R49XX" | |
7cf8053b | 1344 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1345 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1346 | select CPU_SUPPORTS_32BIT_KERNEL |
1347 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1348 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1349 | |
1350 | config CPU_R5000 | |
1351 | bool "R5000" | |
7cf8053b | 1352 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1353 | select CPU_SUPPORTS_32BIT_KERNEL |
1354 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1355 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1356 | help |
1357 | MIPS Technologies R5000-series processors other than the Nevada. | |
1358 | ||
1359 | config CPU_R5432 | |
1360 | bool "R5432" | |
7cf8053b | 1361 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1362 | select CPU_SUPPORTS_32BIT_KERNEL |
1363 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1364 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 | 1365 | |
542c1020 SK |
1366 | config CPU_R5500 |
1367 | bool "R5500" | |
1368 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1369 | select CPU_SUPPORTS_32BIT_KERNEL |
1370 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1371 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1372 | help |
1373 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1374 | instruction set. | |
1375 | ||
1da177e4 LT |
1376 | config CPU_R6000 |
1377 | bool "R6000" | |
ed5ba2fb | 1378 | depends on EXPERIMENTAL |
7cf8053b | 1379 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1380 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1381 | help |
1382 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1383 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1384 | |
1385 | config CPU_NEVADA | |
1386 | bool "RM52xx" | |
7cf8053b | 1387 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1388 | select CPU_SUPPORTS_32BIT_KERNEL |
1389 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1390 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1391 | help |
1392 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1393 | ||
1394 | config CPU_R8000 | |
1395 | bool "R8000" | |
ed5ba2fb | 1396 | depends on EXPERIMENTAL |
7cf8053b | 1397 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1398 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1399 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1400 | help |
1401 | MIPS Technologies R8000 processors. Note these processors are | |
1402 | uncommon and the support for them is incomplete. | |
1403 | ||
1404 | config CPU_R10000 | |
1405 | bool "R10000" | |
7cf8053b | 1406 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1407 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1408 | select CPU_SUPPORTS_32BIT_KERNEL |
1409 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1410 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1411 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1412 | help |
1413 | MIPS Technologies R10000-series processors. | |
1414 | ||
1415 | config CPU_RM7000 | |
1416 | bool "RM7000" | |
7cf8053b | 1417 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1418 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1419 | select CPU_SUPPORTS_32BIT_KERNEL |
1420 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1421 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1422 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1423 | |
1424 | config CPU_SB1 | |
1425 | bool "SB1" | |
7cf8053b | 1426 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1427 | select CPU_SUPPORTS_32BIT_KERNEL |
1428 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1429 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1430 | select CPU_SUPPORTS_HUGEPAGES |
0004a9df | 1431 | select WEAK_ORDERING |
1da177e4 | 1432 | |
a86c7f72 DD |
1433 | config CPU_CAVIUM_OCTEON |
1434 | bool "Cavium Octeon processor" | |
5e683389 | 1435 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
7ee91de4 | 1436 | select ARCH_SPARSEMEM_ENABLE |
a86c7f72 DD |
1437 | select CPU_HAS_PREFETCH |
1438 | select CPU_SUPPORTS_64BIT_KERNEL | |
1439 | select SYS_SUPPORTS_SMP | |
1440 | select NR_CPUS_DEFAULT_16 | |
1441 | select WEAK_ORDERING | |
a86c7f72 | 1442 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1443 | select CPU_SUPPORTS_HUGEPAGES |
7ed18152 DD |
1444 | select LIBFDT |
1445 | select USE_OF | |
a86c7f72 DD |
1446 | help |
1447 | The Cavium Octeon processor is a highly integrated chip containing | |
1448 | many ethernet hardware widgets for networking tasks. The processor | |
1449 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1450 | Full details can be found at http://www.caviumnetworks.com. | |
1451 | ||
c1c0c461 KC |
1452 | config CPU_BMIPS3300 |
1453 | bool "BMIPS3300" | |
1454 | depends on SYS_HAS_CPU_BMIPS3300 | |
1bbb6c1b | 1455 | select CPU_BMIPS |
c1c0c461 KC |
1456 | help |
1457 | Broadcom BMIPS3300 processors. | |
1458 | ||
1459 | config CPU_BMIPS4350 | |
1460 | bool "BMIPS4350" | |
1461 | depends on SYS_HAS_CPU_BMIPS4350 | |
1bbb6c1b | 1462 | select CPU_BMIPS |
c1c0c461 KC |
1463 | select SYS_SUPPORTS_SMP |
1464 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1465 | help |
1466 | Broadcom BMIPS4350 ("VIPER") processors. | |
1467 | ||
1468 | config CPU_BMIPS4380 | |
1469 | bool "BMIPS4380" | |
1470 | depends on SYS_HAS_CPU_BMIPS4380 | |
1bbb6c1b | 1471 | select CPU_BMIPS |
c1c0c461 KC |
1472 | select SYS_SUPPORTS_SMP |
1473 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1474 | help |
1475 | Broadcom BMIPS4380 processors. | |
1476 | ||
1477 | config CPU_BMIPS5000 | |
1478 | bool "BMIPS5000" | |
1479 | depends on SYS_HAS_CPU_BMIPS5000 | |
1bbb6c1b | 1480 | select CPU_BMIPS |
c1c0c461 | 1481 | select CPU_SUPPORTS_HIGHMEM |
1bbb6c1b | 1482 | select MIPS_CPU_SCACHE |
c1c0c461 KC |
1483 | select SYS_SUPPORTS_SMP |
1484 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1485 | help |
1486 | Broadcom BMIPS5000 processors. | |
1487 | ||
7f058e85 J |
1488 | config CPU_XLR |
1489 | bool "Netlogic XLR SoC" | |
1490 | depends on SYS_HAS_CPU_XLR | |
1491 | select CPU_SUPPORTS_32BIT_KERNEL | |
1492 | select CPU_SUPPORTS_64BIT_KERNEL | |
1493 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1494 | select CPU_SUPPORTS_HUGEPAGES |
7f058e85 J |
1495 | select WEAK_ORDERING |
1496 | select WEAK_REORDERING_BEYOND_LLSC | |
7f058e85 J |
1497 | help |
1498 | Netlogic Microsystems XLR/XLS processors. | |
1c773ea4 J |
1499 | |
1500 | config CPU_XLP | |
1501 | bool "Netlogic XLP SoC" | |
1502 | depends on SYS_HAS_CPU_XLP | |
1503 | select CPU_SUPPORTS_32BIT_KERNEL | |
1504 | select CPU_SUPPORTS_64BIT_KERNEL | |
1505 | select CPU_SUPPORTS_HIGHMEM | |
1506 | select CPU_HAS_LLSC | |
1507 | select WEAK_ORDERING | |
1508 | select WEAK_REORDERING_BEYOND_LLSC | |
1509 | select CPU_HAS_PREFETCH | |
d6504846 | 1510 | select CPU_MIPSR2 |
1c773ea4 J |
1511 | help |
1512 | Netlogic Microsystems XLP processors. | |
1da177e4 LT |
1513 | endchoice |
1514 | ||
622844bf WZ |
1515 | if CPU_LOONGSON2F |
1516 | config CPU_NOP_WORKAROUNDS | |
1517 | bool | |
1518 | ||
1519 | config CPU_JUMP_WORKAROUNDS | |
1520 | bool | |
1521 | ||
1522 | config CPU_LOONGSON2F_WORKAROUNDS | |
1523 | bool "Loongson 2F Workarounds" | |
1524 | default y | |
1525 | select CPU_NOP_WORKAROUNDS | |
1526 | select CPU_JUMP_WORKAROUNDS | |
1527 | help | |
1528 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1529 | require workarounds. Without workarounds the system may hang | |
1530 | unexpectedly. For more information please refer to the gas | |
1531 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1532 | ||
1533 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1534 | are needed. The workarounds have no significant side effect on them | |
1535 | but may decrease the performance of the system so this option should | |
1536 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1537 | systems. | |
1538 | ||
1539 | If unsure, please say Y. | |
1540 | endif # CPU_LOONGSON2F | |
1541 | ||
1b93b3c3 WZ |
1542 | config SYS_SUPPORTS_ZBOOT |
1543 | bool | |
1544 | select HAVE_KERNEL_GZIP | |
1545 | select HAVE_KERNEL_BZIP2 | |
1546 | select HAVE_KERNEL_LZMA | |
fe1d45e0 | 1547 | select HAVE_KERNEL_LZO |
1b93b3c3 WZ |
1548 | |
1549 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1550 | bool | |
1551 | select SYS_SUPPORTS_ZBOOT | |
1552 | ||
3702bba5 WZ |
1553 | config CPU_LOONGSON2 |
1554 | bool | |
1555 | select CPU_SUPPORTS_32BIT_KERNEL | |
1556 | select CPU_SUPPORTS_64BIT_KERNEL | |
1557 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1558 | select CPU_SUPPORTS_HUGEPAGES |
3702bba5 | 1559 | |
ca585cf9 KC |
1560 | config CPU_LOONGSON1 |
1561 | bool | |
1562 | select CPU_MIPS32 | |
1563 | select CPU_MIPSR2 | |
1564 | select CPU_HAS_PREFETCH | |
1565 | select CPU_SUPPORTS_32BIT_KERNEL | |
1566 | select CPU_SUPPORTS_HIGHMEM | |
1567 | ||
1bbb6c1b KC |
1568 | config CPU_BMIPS |
1569 | bool | |
1570 | select CPU_MIPS32 | |
1571 | select CPU_SUPPORTS_32BIT_KERNEL | |
1572 | select DMA_NONCOHERENT | |
1573 | select IRQ_CPU | |
1574 | select SWAP_IO_SPACE | |
1575 | select WEAK_ORDERING | |
1576 | ||
3702bba5 | 1577 | config SYS_HAS_CPU_LOONGSON2E |
2a21c730 FZ |
1578 | bool |
1579 | ||
6f7a251a WZ |
1580 | config SYS_HAS_CPU_LOONGSON2F |
1581 | bool | |
55045ff5 WZ |
1582 | select CPU_SUPPORTS_CPUFREQ |
1583 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1584 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1585 | |
ca585cf9 KC |
1586 | config SYS_HAS_CPU_LOONGSON1B |
1587 | bool | |
1588 | ||
7cf8053b RB |
1589 | config SYS_HAS_CPU_MIPS32_R1 |
1590 | bool | |
1591 | ||
1592 | config SYS_HAS_CPU_MIPS32_R2 | |
1593 | bool | |
1594 | ||
1595 | config SYS_HAS_CPU_MIPS64_R1 | |
1596 | bool | |
1597 | ||
1598 | config SYS_HAS_CPU_MIPS64_R2 | |
1599 | bool | |
1600 | ||
1601 | config SYS_HAS_CPU_R3000 | |
1602 | bool | |
1603 | ||
1604 | config SYS_HAS_CPU_TX39XX | |
1605 | bool | |
1606 | ||
1607 | config SYS_HAS_CPU_VR41XX | |
1608 | bool | |
1609 | ||
1610 | config SYS_HAS_CPU_R4300 | |
1611 | bool | |
1612 | ||
1613 | config SYS_HAS_CPU_R4X00 | |
1614 | bool | |
1615 | ||
1616 | config SYS_HAS_CPU_TX49XX | |
1617 | bool | |
1618 | ||
1619 | config SYS_HAS_CPU_R5000 | |
1620 | bool | |
1621 | ||
1622 | config SYS_HAS_CPU_R5432 | |
1623 | bool | |
1624 | ||
542c1020 SK |
1625 | config SYS_HAS_CPU_R5500 |
1626 | bool | |
1627 | ||
7cf8053b RB |
1628 | config SYS_HAS_CPU_R6000 |
1629 | bool | |
1630 | ||
1631 | config SYS_HAS_CPU_NEVADA | |
1632 | bool | |
1633 | ||
1634 | config SYS_HAS_CPU_R8000 | |
1635 | bool | |
1636 | ||
1637 | config SYS_HAS_CPU_R10000 | |
1638 | bool | |
1639 | ||
1640 | config SYS_HAS_CPU_RM7000 | |
1641 | bool | |
1642 | ||
7cf8053b RB |
1643 | config SYS_HAS_CPU_SB1 |
1644 | bool | |
1645 | ||
5e683389 DD |
1646 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1647 | bool | |
1648 | ||
c1c0c461 KC |
1649 | config SYS_HAS_CPU_BMIPS3300 |
1650 | bool | |
1651 | ||
1652 | config SYS_HAS_CPU_BMIPS4350 | |
1653 | bool | |
1654 | ||
1655 | config SYS_HAS_CPU_BMIPS4380 | |
1656 | bool | |
1657 | ||
1658 | config SYS_HAS_CPU_BMIPS5000 | |
1659 | bool | |
1660 | ||
7f058e85 J |
1661 | config SYS_HAS_CPU_XLR |
1662 | bool | |
1663 | ||
1c773ea4 J |
1664 | config SYS_HAS_CPU_XLP |
1665 | bool | |
1666 | ||
17099b11 RB |
1667 | # |
1668 | # CPU may reorder R->R, R->W, W->R, W->W | |
1669 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1670 | # | |
0004a9df RB |
1671 | config WEAK_ORDERING |
1672 | bool | |
17099b11 RB |
1673 | |
1674 | # | |
1675 | # CPU may reorder reads and writes beyond LL/SC | |
1676 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1677 | # | |
1678 | config WEAK_REORDERING_BEYOND_LLSC | |
1679 | bool | |
5e83d430 RB |
1680 | endmenu |
1681 | ||
1682 | # | |
c09b47d8 | 1683 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1684 | # |
1685 | config CPU_MIPS32 | |
1686 | bool | |
1687 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1688 | ||
1689 | config CPU_MIPS64 | |
1690 | bool | |
1691 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1692 | ||
1693 | # | |
c09b47d8 | 1694 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1695 | # |
1696 | config CPU_MIPSR1 | |
1697 | bool | |
1698 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1699 | ||
1700 | config CPU_MIPSR2 | |
1701 | bool | |
a86c7f72 | 1702 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1703 | |
1704 | config SYS_SUPPORTS_32BIT_KERNEL | |
1705 | bool | |
1706 | config SYS_SUPPORTS_64BIT_KERNEL | |
1707 | bool | |
1708 | config CPU_SUPPORTS_32BIT_KERNEL | |
1709 | bool | |
1710 | config CPU_SUPPORTS_64BIT_KERNEL | |
1711 | bool | |
55045ff5 WZ |
1712 | config CPU_SUPPORTS_CPUFREQ |
1713 | bool | |
1714 | config CPU_SUPPORTS_ADDRWINCFG | |
1715 | bool | |
9cffd154 DD |
1716 | config CPU_SUPPORTS_HUGEPAGES |
1717 | bool | |
22f1fdfd WZ |
1718 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1719 | bool | |
82622284 DD |
1720 | config MIPS_PGD_C0_CONTEXT |
1721 | bool | |
d6504846 | 1722 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP |
5e83d430 | 1723 | |
8192c9ea DD |
1724 | # |
1725 | # Set to y for ptrace access to watch registers. | |
1726 | # | |
1727 | config HARDWARE_WATCHPOINTS | |
1728 | bool | |
f839490a | 1729 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1730 | |
5e83d430 RB |
1731 | menu "Kernel type" |
1732 | ||
1733 | choice | |
5e83d430 RB |
1734 | prompt "Kernel code model" |
1735 | help | |
1736 | You should only select this option if you have a workload that | |
1737 | actually benefits from 64-bit processing or if your machine has | |
1738 | large memory. You will only be presented a single option in this | |
1739 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1740 | ||
1741 | config 32BIT | |
1742 | bool "32-bit kernel" | |
1743 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1744 | select TRAD_SIGNALS | |
1745 | help | |
1746 | Select this option if you want to build a 32-bit kernel. | |
1747 | config 64BIT | |
1748 | bool "64-bit kernel" | |
1749 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
dbda6ac0 | 1750 | select HAVE_SYSCALL_WRAPPERS |
5e83d430 RB |
1751 | help |
1752 | Select this option if you want to build a 64-bit kernel. | |
1753 | ||
1754 | endchoice | |
1755 | ||
1da177e4 LT |
1756 | choice |
1757 | prompt "Kernel page size" | |
1758 | default PAGE_SIZE_4KB | |
1759 | ||
1760 | config PAGE_SIZE_4KB | |
1761 | bool "4kB" | |
315fe625 | 1762 | depends on !CPU_LOONGSON2 |
1da177e4 LT |
1763 | help |
1764 | This option select the standard 4kB Linux page size. On some | |
1765 | R3000-family processors this is the only available page size. Using | |
1766 | 4kB page size will minimize memory consumption and is therefore | |
1767 | recommended for low memory systems. | |
1768 | ||
1769 | config PAGE_SIZE_8KB | |
1770 | bool "8kB" | |
c52399be | 1771 | depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1772 | help |
1773 | Using 8kB page size will result in higher performance kernel at | |
1774 | the price of higher memory consumption. This option is available | |
c52399be RB |
1775 | only on R8000 and cnMIPS processors. Note that you will need a |
1776 | suitable Linux distribution to support this. | |
1da177e4 LT |
1777 | |
1778 | config PAGE_SIZE_16KB | |
1779 | bool "16kB" | |
714bfad6 | 1780 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1781 | help |
1782 | Using 16kB page size will result in higher performance kernel at | |
1783 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1784 | all non-R3000 family processors. Note that you will need a suitable |
1785 | Linux distribution to support this. | |
1da177e4 | 1786 | |
c52399be RB |
1787 | config PAGE_SIZE_32KB |
1788 | bool "32kB" | |
1789 | depends on CPU_CAVIUM_OCTEON | |
1790 | help | |
1791 | Using 32kB page size will result in higher performance kernel at | |
1792 | the price of higher memory consumption. This option is available | |
1793 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1794 | distribution to support this. | |
1795 | ||
1da177e4 LT |
1796 | config PAGE_SIZE_64KB |
1797 | bool "64kB" | |
1798 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1799 | help | |
1800 | Using 64kB page size will result in higher performance kernel at | |
1801 | the price of higher memory consumption. This option is available on | |
1802 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1803 | writing this option is still high experimental. |
1da177e4 LT |
1804 | |
1805 | endchoice | |
1806 | ||
c9bace7c DD |
1807 | config FORCE_MAX_ZONEORDER |
1808 | int "Maximum zone order" | |
85f993b8 DD |
1809 | range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB |
1810 | default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB | |
1811 | range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1812 | default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1813 | range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB | |
1814 | default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB | |
c9bace7c DD |
1815 | range 11 64 |
1816 | default "11" | |
1817 | help | |
1818 | The kernel memory allocator divides physically contiguous memory | |
1819 | blocks into "zones", where each zone is a power of two number of | |
1820 | pages. This option selects the largest power of two that the kernel | |
1821 | keeps in the memory allocator. If you need to allocate very large | |
1822 | blocks of physically contiguous memory, then you may need to | |
1823 | increase this value. | |
1824 | ||
1825 | This config option is actually maximum order plus one. For example, | |
1826 | a value of 11 means that the largest free memory block is 2^10 pages. | |
1827 | ||
1828 | The page size is not necessarily 4KB. Keep this in mind | |
1829 | when choosing a value for this option. | |
1830 | ||
1da177e4 LT |
1831 | config BOARD_SCACHE |
1832 | bool | |
1833 | ||
1834 | config IP22_CPU_SCACHE | |
1835 | bool | |
1836 | select BOARD_SCACHE | |
1837 | ||
9318c51a CD |
1838 | # |
1839 | # Support for a MIPS32 / MIPS64 style S-caches | |
1840 | # | |
1841 | config MIPS_CPU_SCACHE | |
1842 | bool | |
1843 | select BOARD_SCACHE | |
1844 | ||
1da177e4 LT |
1845 | config R5000_CPU_SCACHE |
1846 | bool | |
1847 | select BOARD_SCACHE | |
1848 | ||
1849 | config RM7000_CPU_SCACHE | |
1850 | bool | |
1851 | select BOARD_SCACHE | |
1852 | ||
1853 | config SIBYTE_DMA_PAGEOPS | |
1854 | bool "Use DMA to clear/copy pages" | |
1855 | depends on CPU_SB1 | |
1856 | help | |
1857 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1858 | channel. These DMA channels are otherwise unused by the standard | |
1859 | SiByte Linux port. Seems to give a small performance benefit. | |
1860 | ||
1861 | config CPU_HAS_PREFETCH | |
c8094b53 | 1862 | bool |
1da177e4 | 1863 | |
3165c846 FF |
1864 | config CPU_GENERIC_DUMP_TLB |
1865 | bool | |
1866 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
1867 | ||
91405eb6 FF |
1868 | config CPU_R4K_FPU |
1869 | bool | |
1870 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1871 | ||
62cedc4f FF |
1872 | config CPU_R4K_CACHE_TLB |
1873 | bool | |
1874 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1875 | ||
340ee4b9 RB |
1876 | choice |
1877 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1878 | |
1879 | config MIPS_MT_DISABLED | |
1880 | bool "Disable multithreading support." | |
1881 | help | |
1882 | Use this option if your workload can't take advantage of | |
1883 | MIPS hardware multithreading support. On systems that don't have | |
1884 | the option of an MT-enabled processor this option will be the only | |
1885 | option in this menu. | |
340ee4b9 | 1886 | |
59d6ab86 RB |
1887 | config MIPS_MT_SMP |
1888 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1889 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1890 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1891 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1892 | select MIPS_MT |
f510aa3b | 1893 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1894 | select SMP |
0ab7aefc | 1895 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1896 | select SYS_SUPPORTS_SMP |
87353d8a | 1897 | select SMP_UP |
399aaa25 | 1898 | select MIPS_PERF_SHARED_TC_COUNTERS |
f41ae0b2 | 1899 | help |
25f12b33 RB |
1900 | This is a kernel model which is known a VSMP but lately has been |
1901 | marketesed into SMVP. | |
1902 | Virtual SMP uses the processor's VPEs to implement virtual | |
1903 | processors. In currently available configuration of the 34K processor | |
1904 | this allows for a dual processor. Both processors will share the same | |
1905 | primary caches; each will obtain the half of the TLB for it's own | |
1906 | exclusive use. For a layman this model can be described as similar to | |
1907 | what Intel calls Hyperthreading. | |
1908 | ||
1909 | For further information see http://www.linux-mips.org/wiki/34K#VSMP | |
41c594ab | 1910 | |
59d6ab86 RB |
1911 | config MIPS_MT_SMTC |
1912 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1913 | depends on CPU_MIPS32_R2 | |
1914 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1915 | depends on SYS_SUPPORTS_MULTITHREADING |
1916 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1917 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1918 | select MIPS_MT |
130e2fb7 | 1919 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1920 | select SMP |
73b76c78 | 1921 | select SYS_SUPPORTS_SMP |
87353d8a | 1922 | select SMP_UP |
f41ae0b2 | 1923 | help |
59d6ab86 RB |
1924 | This is a kernel model which is known a SMTC or lately has been |
1925 | marketesed into SMVP. | |
25f12b33 RB |
1926 | is presenting the available TC's of the core as processors to Linux. |
1927 | On currently available 34K processors this means a Linux system will | |
1928 | see up to 5 processors. The implementation of the SMTC kernel differs | |
1929 | significantly from VSMP and cannot efficiently coexist in the same | |
1930 | kernel binary so the choice between VSMP and SMTC is a compile time | |
1931 | decision. | |
1932 | ||
1933 | For further information see http://www.linux-mips.org/wiki/34K#SMTC | |
340ee4b9 | 1934 | |
340ee4b9 RB |
1935 | endchoice |
1936 | ||
f41ae0b2 RB |
1937 | config MIPS_MT |
1938 | bool | |
1939 | ||
0ab7aefc RB |
1940 | config SCHED_SMT |
1941 | bool "SMT (multithreading) scheduler support" | |
1942 | depends on SYS_SUPPORTS_SCHED_SMT | |
1943 | default n | |
1944 | help | |
1945 | SMT scheduler support improves the CPU scheduler's decision making | |
1946 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1947 | increased overhead in some places. If unsure say N here. | |
1948 | ||
1949 | config SYS_SUPPORTS_SCHED_SMT | |
1950 | bool | |
1951 | ||
f41ae0b2 RB |
1952 | config SYS_SUPPORTS_MULTITHREADING |
1953 | bool | |
1954 | ||
f088fc84 RB |
1955 | config MIPS_MT_FPAFF |
1956 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1957 | default y |
07cc0c9e RB |
1958 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1959 | ||
1960 | config MIPS_VPE_LOADER | |
1961 | bool "VPE loader support." | |
1962 | depends on SYS_SUPPORTS_MULTITHREADING | |
1963 | select CPU_MIPSR2_IRQ_VI | |
1964 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1965 | select MIPS_MT |
1966 | help | |
1967 | Includes a loader for loading an elf relocatable object | |
1968 | onto another VPE and running it. | |
f088fc84 | 1969 | |
0db34215 KK |
1970 | config MIPS_MT_SMTC_IM_BACKSTOP |
1971 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1972 | depends on MIPS_MT_SMTC | |
8531a35e | 1973 | default n |
0db34215 KK |
1974 | help |
1975 | To support multiple TC microthreads acting as "CPUs" within | |
1976 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1977 | during interrupt handling. To support legacy drivers and interrupt | |
1978 | controller management code, SMTC has a "backstop" to track and | |
1979 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1980 | impact on interrupt service overhead. |
0db34215 | 1981 | |
f571eff0 KK |
1982 | config MIPS_MT_SMTC_IRQAFF |
1983 | bool "Support IRQ affinity API" | |
1984 | depends on MIPS_MT_SMTC | |
1985 | default n | |
1986 | help | |
1987 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1988 | for SMTC Linux kernel. Requires platform support, of which | |
1989 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1990 | platform code. Adds some overhead to interrupt dispatch, and |
1991 | should be used only if you know what you are doing. | |
f571eff0 | 1992 | |
e01402b1 RB |
1993 | config MIPS_VPE_LOADER_TOM |
1994 | bool "Load VPE program into memory hidden from linux" | |
1995 | depends on MIPS_VPE_LOADER | |
1996 | default y | |
1997 | help | |
1998 | The loader can use memory that is present but has been hidden from | |
1999 | Linux using the kernel command line option "mem=xxMB". It's up to | |
2000 | you to ensure the amount you put in the option and the space your | |
2001 | program requires is less or equal to the amount physically present. | |
2002 | ||
2003 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
2004 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
2005 | bool "Enable support for AP/SP API (RTLX)" |
2006 | depends on MIPS_VPE_LOADER | |
2007 | help | |
e01402b1 | 2008 | |
4a16ff4c RB |
2009 | config MIPS_CMP |
2010 | bool "MIPS CMP framework support" | |
2011 | depends on SYS_SUPPORTS_MIPS_CMP | |
eb9b5141 | 2012 | select SYNC_R4K |
4a16ff4c RB |
2013 | select SYS_SUPPORTS_SMP |
2014 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
2015 | select WEAK_ORDERING | |
2016 | default n | |
2017 | help | |
2018 | This is a placeholder option for the GCMP work. It will need to | |
2019 | be handled differently... | |
2020 | ||
1da177e4 LT |
2021 | config SB1_PASS_1_WORKAROUNDS |
2022 | bool | |
2023 | depends on CPU_SB1_PASS_1 | |
2024 | default y | |
2025 | ||
2026 | config SB1_PASS_2_WORKAROUNDS | |
2027 | bool | |
2028 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
2029 | default y | |
2030 | ||
2031 | config SB1_PASS_2_1_WORKAROUNDS | |
2032 | bool | |
2033 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
2034 | default y | |
2035 | ||
2036 | config 64BIT_PHYS_ADDR | |
d806cb2b | 2037 | bool |
1da177e4 | 2038 | |
60ec6571 | 2039 | config ARCH_PHYS_ADDR_T_64BIT |
2040 | def_bool 64BIT_PHYS_ADDR | |
2041 | ||
9693a853 FBH |
2042 | config CPU_HAS_SMARTMIPS |
2043 | depends on SYS_SUPPORTS_SMARTMIPS | |
2044 | bool "Support for the SmartMIPS ASE" | |
2045 | help | |
2046 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2047 | increased security at both hardware and software level for | |
2048 | smartcards. Enabling this option will allow proper use of the | |
2049 | SmartMIPS instructions by Linux applications. However a kernel with | |
2050 | this option will not work on a MIPS core without SmartMIPS core. If | |
2051 | you don't know you probably don't have SmartMIPS and should say N | |
2052 | here. | |
2053 | ||
1da177e4 | 2054 | config CPU_HAS_WB |
f7062ddb | 2055 | bool |
e01402b1 | 2056 | |
df0ac8a4 KC |
2057 | config XKS01 |
2058 | bool | |
2059 | ||
f41ae0b2 RB |
2060 | # |
2061 | # Vectored interrupt mode is an R2 feature | |
2062 | # | |
e01402b1 | 2063 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 2064 | bool |
e01402b1 | 2065 | |
f41ae0b2 RB |
2066 | # |
2067 | # Extended interrupt mode is an R2 feature | |
2068 | # | |
e01402b1 | 2069 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 2070 | bool |
e01402b1 | 2071 | |
1da177e4 LT |
2072 | config CPU_HAS_SYNC |
2073 | bool | |
2074 | depends on !CPU_R3000 | |
2075 | default y | |
2076 | ||
20d60d99 MR |
2077 | # |
2078 | # CPU non-features | |
2079 | # | |
2080 | config CPU_DADDI_WORKAROUNDS | |
2081 | bool | |
2082 | ||
2083 | config CPU_R4000_WORKAROUNDS | |
2084 | bool | |
2085 | select CPU_R4400_WORKAROUNDS | |
2086 | ||
2087 | config CPU_R4400_WORKAROUNDS | |
2088 | bool | |
2089 | ||
1da177e4 LT |
2090 | # |
2091 | # - Highmem only makes sense for the 32-bit kernel. | |
2092 | # - The current highmem code will only work properly on physically indexed | |
2093 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2094 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2095 | # moment we protect the user and offer the highmem option only on machines | |
2096 | # where it's known to be safe. This will not offer highmem on a few systems | |
2097 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2098 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
2099 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
2100 | # know they might have memory configurations that could make use of highmem | |
2101 | # support. | |
1da177e4 LT |
2102 | # |
2103 | config HIGHMEM | |
2104 | bool "High Memory Support" | |
797798c1 RB |
2105 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
2106 | ||
2107 | config CPU_SUPPORTS_HIGHMEM | |
2108 | bool | |
2109 | ||
2110 | config SYS_SUPPORTS_HIGHMEM | |
2111 | bool | |
1da177e4 | 2112 | |
9693a853 FBH |
2113 | config SYS_SUPPORTS_SMARTMIPS |
2114 | bool | |
2115 | ||
b4819b59 YY |
2116 | config ARCH_FLATMEM_ENABLE |
2117 | def_bool y | |
f133f22d | 2118 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 2119 | |
d8cb4e11 RB |
2120 | config ARCH_DISCONTIGMEM_ENABLE |
2121 | bool | |
2122 | default y if SGI_IP27 | |
2123 | help | |
3dde6ad8 | 2124 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
2125 | for architectures which are either NUMA (Non-Uniform Memory Access) |
2126 | or have huge holes in the physical address space for other reasons. | |
2127 | See <file:Documentation/vm/numa> for more. | |
2128 | ||
31473747 AN |
2129 | config ARCH_SPARSEMEM_ENABLE |
2130 | bool | |
7de58fab | 2131 | select SPARSEMEM_STATIC |
31473747 | 2132 | |
d8cb4e11 RB |
2133 | config NUMA |
2134 | bool "NUMA Support" | |
2135 | depends on SYS_SUPPORTS_NUMA | |
2136 | help | |
2137 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2138 | Access). This option improves performance on systems with more | |
2139 | than two nodes; on two node systems it is generally better to | |
2140 | leave it disabled; on single node systems disable this option | |
2141 | disabled. | |
2142 | ||
2143 | config SYS_SUPPORTS_NUMA | |
2144 | bool | |
2145 | ||
c80d79d7 YG |
2146 | config NODES_SHIFT |
2147 | int | |
2148 | default "6" | |
2149 | depends on NEED_MULTIPLE_NODES | |
2150 | ||
14f70012 DCZ |
2151 | config HW_PERF_EVENTS |
2152 | bool "Enable hardware performance counter support for perf events" | |
4be3d2f3 | 2153 | depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) |
14f70012 DCZ |
2154 | default y |
2155 | help | |
2156 | Enable hardware performance counter support for perf events. If | |
2157 | disabled, perf events will use software events only. | |
2158 | ||
b4819b59 YY |
2159 | source "mm/Kconfig" |
2160 | ||
1da177e4 LT |
2161 | config SMP |
2162 | bool "Multi-Processing support" | |
e73ea273 | 2163 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 2164 | select IRQ_PER_CPU |
2f304c0a | 2165 | select USE_GENERIC_SMP_HELPERS |
e73ea273 | 2166 | help |
1da177e4 LT |
2167 | This enables support for systems with more than one CPU. If you have |
2168 | a system with only one CPU, like most personal computers, say N. If | |
2169 | you have a system with more than one CPU, say Y. | |
2170 | ||
2171 | If you say N here, the kernel will run on single and multiprocessor | |
2172 | machines, but will use only one CPU of a multiprocessor machine. If | |
2173 | you say Y here, the kernel will run on many, but not all, | |
2174 | singleprocessor machines. On a singleprocessor machine, the kernel | |
2175 | will run faster if you say N here. | |
2176 | ||
2177 | People using multiprocessor machines who say Y here should also say | |
2178 | Y to "Enhanced Real Time Clock Support", below. | |
2179 | ||
03502faa AB |
2180 | See also the SMP-HOWTO available at |
2181 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2182 | |
2183 | If you don't know what to do here, say N. | |
2184 | ||
87353d8a RB |
2185 | config SMP_UP |
2186 | bool | |
2187 | ||
4a16ff4c RB |
2188 | config SYS_SUPPORTS_MIPS_CMP |
2189 | bool | |
2190 | ||
e73ea273 RB |
2191 | config SYS_SUPPORTS_SMP |
2192 | bool | |
2193 | ||
72ede9b1 AN |
2194 | config NR_CPUS_DEFAULT_1 |
2195 | bool | |
2196 | ||
130e2fb7 RB |
2197 | config NR_CPUS_DEFAULT_2 |
2198 | bool | |
2199 | ||
2200 | config NR_CPUS_DEFAULT_4 | |
2201 | bool | |
2202 | ||
2203 | config NR_CPUS_DEFAULT_8 | |
2204 | bool | |
2205 | ||
2206 | config NR_CPUS_DEFAULT_16 | |
2207 | bool | |
2208 | ||
2209 | config NR_CPUS_DEFAULT_32 | |
2210 | bool | |
2211 | ||
2212 | config NR_CPUS_DEFAULT_64 | |
2213 | bool | |
2214 | ||
1da177e4 LT |
2215 | config NR_CPUS |
2216 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 2217 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 2218 | depends on SMP |
72ede9b1 | 2219 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
2220 | default "2" if NR_CPUS_DEFAULT_2 |
2221 | default "4" if NR_CPUS_DEFAULT_4 | |
2222 | default "8" if NR_CPUS_DEFAULT_8 | |
2223 | default "16" if NR_CPUS_DEFAULT_16 | |
2224 | default "32" if NR_CPUS_DEFAULT_32 | |
2225 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2226 | help |
2227 | This allows you to specify the maximum number of CPUs which this | |
2228 | kernel will support. The maximum supported value is 32 for 32-bit | |
2229 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2230 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2231 | and 2 for all others. | |
1da177e4 LT |
2232 | |
2233 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2234 | approximately eight kilobytes to the kernel image. For best |
2235 | performance should round up your number of processors to the next | |
2236 | power of two. | |
1da177e4 | 2237 | |
399aaa25 AC |
2238 | config MIPS_PERF_SHARED_TC_COUNTERS |
2239 | bool | |
2240 | ||
1723b4a3 AN |
2241 | # |
2242 | # Timer Interrupt Frequency Configuration | |
2243 | # | |
2244 | ||
2245 | choice | |
2246 | prompt "Timer frequency" | |
2247 | default HZ_250 | |
2248 | help | |
2249 | Allows the configuration of the timer frequency. | |
2250 | ||
2251 | config HZ_48 | |
0f873585 | 2252 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2253 | |
2254 | config HZ_100 | |
2255 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2256 | ||
2257 | config HZ_128 | |
2258 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2259 | ||
2260 | config HZ_250 | |
2261 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2262 | ||
2263 | config HZ_256 | |
2264 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2265 | ||
2266 | config HZ_1000 | |
2267 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2268 | ||
2269 | config HZ_1024 | |
2270 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2271 | ||
2272 | endchoice | |
2273 | ||
2274 | config SYS_SUPPORTS_48HZ | |
2275 | bool | |
2276 | ||
2277 | config SYS_SUPPORTS_100HZ | |
2278 | bool | |
2279 | ||
2280 | config SYS_SUPPORTS_128HZ | |
2281 | bool | |
2282 | ||
2283 | config SYS_SUPPORTS_250HZ | |
2284 | bool | |
2285 | ||
2286 | config SYS_SUPPORTS_256HZ | |
2287 | bool | |
2288 | ||
2289 | config SYS_SUPPORTS_1000HZ | |
2290 | bool | |
2291 | ||
2292 | config SYS_SUPPORTS_1024HZ | |
2293 | bool | |
2294 | ||
2295 | config SYS_SUPPORTS_ARBIT_HZ | |
2296 | bool | |
2297 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2298 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2299 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2300 | !SYS_SUPPORTS_1024HZ | |
2301 | ||
2302 | config HZ | |
2303 | int | |
2304 | default 48 if HZ_48 | |
2305 | default 100 if HZ_100 | |
2306 | default 128 if HZ_128 | |
2307 | default 250 if HZ_250 | |
2308 | default 256 if HZ_256 | |
2309 | default 1000 if HZ_1000 | |
2310 | default 1024 if HZ_1024 | |
2311 | ||
e80de850 | 2312 | source "kernel/Kconfig.preempt" |
1da177e4 | 2313 | |
ea6e942b AN |
2314 | config KEXEC |
2315 | bool "Kexec system call (EXPERIMENTAL)" | |
2316 | depends on EXPERIMENTAL | |
2317 | help | |
2318 | kexec is a system call that implements the ability to shutdown your | |
2319 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2320 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2321 | you can start any kernel with it, not just Linux. |
2322 | ||
01dd2fbf | 2323 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2324 | |
2325 | It is an ongoing process to be certain the hardware in a machine | |
2326 | is properly shutdown, so do not be surprised if this code does not | |
2327 | initially work for you. It may help to enable device hotplugging | |
2328 | support. As of this writing the exact hardware interface is | |
2329 | strongly in flux, so no good recommendation can be made. | |
2330 | ||
7aa1c8f4 RB |
2331 | config CRASH_DUMP |
2332 | bool "Kernel crash dumps" | |
2333 | help | |
2334 | Generate crash dump after being started by kexec. | |
2335 | This should be normally only set in special crash dump kernels | |
2336 | which are loaded in the main kernel with kexec-tools into | |
2337 | a specially reserved region and then later executed after | |
2338 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2339 | to a memory address not used by the main kernel or firmware using | |
2340 | PHYSICAL_START. | |
2341 | ||
2342 | config PHYSICAL_START | |
2343 | hex "Physical address where the kernel is loaded" | |
2344 | default "0xffffffff84000000" if 64BIT | |
2345 | default "0x84000000" if 32BIT | |
2346 | depends on CRASH_DUMP | |
2347 | help | |
2348 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2349 | If you plan to use kernel for capturing the crash dump change | |
2350 | this value to start of the reserved region (the "X" value as | |
2351 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2352 | passed to the panic-ed kernel). | |
2353 | ||
ea6e942b AN |
2354 | config SECCOMP |
2355 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2356 | depends on PROC_FS |
ea6e942b AN |
2357 | default y |
2358 | help | |
2359 | This kernel feature is useful for number crunching applications | |
2360 | that may need to compute untrusted bytecode during their | |
2361 | execution. By using pipes or other transports made available to | |
2362 | the process as file descriptors supporting the read/write | |
2363 | syscalls, it's possible to isolate those applications in | |
2364 | their own address space using seccomp. Once seccomp is | |
2365 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2366 | and the task is only allowed to execute a few safe syscalls | |
2367 | defined by each seccomp mode. | |
2368 | ||
2369 | If unsure, say Y. Only embedded should say N here. | |
2370 | ||
f2ffa5ab | 2371 | config USE_OF |
0b3e06fd | 2372 | bool |
f2ffa5ab | 2373 | select OF |
e6ce1324 | 2374 | select OF_EARLY_FLATTREE |
abd2363f | 2375 | select IRQ_DOMAIN |
f2ffa5ab | 2376 | |
5e83d430 RB |
2377 | endmenu |
2378 | ||
1df0f0ff AN |
2379 | config LOCKDEP_SUPPORT |
2380 | bool | |
2381 | default y | |
2382 | ||
2383 | config STACKTRACE_SUPPORT | |
2384 | bool | |
2385 | default y | |
2386 | ||
b6c3539b RB |
2387 | source "init/Kconfig" |
2388 | ||
dc52ddc0 MH |
2389 | source "kernel/Kconfig.freezer" |
2390 | ||
1da177e4 LT |
2391 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2392 | ||
5e83d430 RB |
2393 | config HW_HAS_EISA |
2394 | bool | |
1da177e4 LT |
2395 | config HW_HAS_PCI |
2396 | bool | |
2397 | ||
2398 | config PCI | |
2399 | bool "Support for PCI controller" | |
2400 | depends on HW_HAS_PCI | |
abb4ae46 | 2401 | select PCI_DOMAINS |
eab90291 | 2402 | select GENERIC_PCI_IOMAP |
0f3b3956 | 2403 | select NO_GENERIC_PCI_IOPORT_MAP |
1da177e4 LT |
2404 | help |
2405 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2406 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2407 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2408 | say Y, otherwise N. | |
2409 | ||
1da177e4 LT |
2410 | config PCI_DOMAINS |
2411 | bool | |
1da177e4 LT |
2412 | |
2413 | source "drivers/pci/Kconfig" | |
2414 | ||
3f787ca4 JG |
2415 | source "drivers/pci/pcie/Kconfig" |
2416 | ||
1da177e4 LT |
2417 | # |
2418 | # ISA support is now enabled via select. Too many systems still have the one | |
2419 | # or other ISA chip on the board that users don't know about so don't expect | |
2420 | # users to choose the right thing ... | |
2421 | # | |
2422 | config ISA | |
2423 | bool | |
2424 | ||
2425 | config EISA | |
2426 | bool "EISA support" | |
5e83d430 | 2427 | depends on HW_HAS_EISA |
1da177e4 | 2428 | select ISA |
aa414dff | 2429 | select GENERIC_ISA_DMA |
1da177e4 LT |
2430 | ---help--- |
2431 | The Extended Industry Standard Architecture (EISA) bus was | |
2432 | developed as an open alternative to the IBM MicroChannel bus. | |
2433 | ||
2434 | The EISA bus provided some of the features of the IBM MicroChannel | |
2435 | bus while maintaining backward compatibility with cards made for | |
2436 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2437 | 1995 when it was made obsolete by the PCI bus. | |
2438 | ||
2439 | Say Y here if you are building a kernel for an EISA-based machine. | |
2440 | ||
2441 | Otherwise, say N. | |
2442 | ||
2443 | source "drivers/eisa/Kconfig" | |
2444 | ||
2445 | config TC | |
2446 | bool "TURBOchannel support" | |
2447 | depends on MACH_DECSTATION | |
2448 | help | |
50a23e6e JM |
2449 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2450 | processors. TURBOchannel programming specifications are available | |
2451 | at: | |
2452 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2453 | and: | |
2454 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2455 | Linux driver support status is documented at: | |
2456 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 | 2457 | |
1da177e4 LT |
2458 | config MMU |
2459 | bool | |
2460 | default y | |
2461 | ||
d865bea4 RB |
2462 | config I8253 |
2463 | bool | |
798778b8 | 2464 | select CLKSRC_I8253 |
2d02612f | 2465 | select CLKEVT_I8253 |
9726b43a | 2466 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2467 | |
cce335ae RB |
2468 | config ZONE_DMA32 |
2469 | bool | |
2470 | ||
1da177e4 LT |
2471 | source "drivers/pcmcia/Kconfig" |
2472 | ||
2473 | source "drivers/pci/hotplug/Kconfig" | |
2474 | ||
388b78ad AB |
2475 | config RAPIDIO |
2476 | bool "RapidIO support" | |
2477 | depends on PCI | |
2478 | default n | |
2479 | help | |
2480 | If you say Y here, the kernel will include drivers and | |
2481 | infrastructure code to support RapidIO interconnect devices. | |
2482 | ||
2483 | source "drivers/rapidio/Kconfig" | |
2484 | ||
1da177e4 LT |
2485 | endmenu |
2486 | ||
2487 | menu "Executable file formats" | |
2488 | ||
2489 | source "fs/Kconfig.binfmt" | |
2490 | ||
2491 | config TRAD_SIGNALS | |
2492 | bool | |
1da177e4 | 2493 | |
1da177e4 LT |
2494 | config MIPS32_COMPAT |
2495 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2496 | depends on 64BIT |
1da177e4 LT |
2497 | help |
2498 | Select this option if you want Linux/MIPS 32-bit binary | |
2499 | compatibility. Since all software available for Linux/MIPS is | |
2500 | currently 32-bit you should say Y here. | |
2501 | ||
2502 | config COMPAT | |
2503 | bool | |
2504 | depends on MIPS32_COMPAT | |
48b25c43 | 2505 | select ARCH_WANT_OLD_COMPAT_IPC |
1da177e4 LT |
2506 | default y |
2507 | ||
05e43966 AN |
2508 | config SYSVIPC_COMPAT |
2509 | bool | |
2510 | depends on COMPAT && SYSVIPC | |
2511 | default y | |
2512 | ||
1da177e4 LT |
2513 | config MIPS32_O32 |
2514 | bool "Kernel support for o32 binaries" | |
2515 | depends on MIPS32_COMPAT | |
2516 | help | |
2517 | Select this option if you want to run o32 binaries. These are pure | |
2518 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2519 | existing binaries are in this format. | |
2520 | ||
2521 | If unsure, say Y. | |
2522 | ||
2523 | config MIPS32_N32 | |
2524 | bool "Kernel support for n32 binaries" | |
2525 | depends on MIPS32_COMPAT | |
2526 | help | |
2527 | Select this option if you want to run n32 binaries. These are | |
2528 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2529 | data that would normally be 64-bit. They are used in special | |
2530 | cases. | |
2531 | ||
2532 | If unsure, say N. | |
2533 | ||
2534 | config BINFMT_ELF32 | |
2535 | bool | |
2536 | default y if MIPS32_O32 || MIPS32_N32 | |
2537 | ||
2116245e RB |
2538 | endmenu |
2539 | ||
2540 | menu "Power management options" | |
2541 | ||
363c55ca WZ |
2542 | config ARCH_HIBERNATION_POSSIBLE |
2543 | def_bool y | |
3f5b3e17 | 2544 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 2545 | |
f4cb5700 JB |
2546 | config ARCH_SUSPEND_POSSIBLE |
2547 | def_bool y | |
3f5b3e17 | 2548 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 2549 | |
2116245e | 2550 | source "kernel/power/Kconfig" |
952fa954 | 2551 | |
1da177e4 LT |
2552 | endmenu |
2553 | ||
9726b43a WZ |
2554 | source "arch/mips/kernel/cpufreq/Kconfig" |
2555 | ||
d5950b43 SR |
2556 | source "net/Kconfig" |
2557 | ||
1da177e4 LT |
2558 | source "drivers/Kconfig" |
2559 | ||
98cdee0e RB |
2560 | source "drivers/firmware/Kconfig" |
2561 | ||
1da177e4 LT |
2562 | source "fs/Kconfig" |
2563 | ||
2564 | source "arch/mips/Kconfig.debug" | |
2565 | ||
2566 | source "security/Kconfig" | |
2567 | ||
2568 | source "crypto/Kconfig" | |
2569 | ||
2570 | source "lib/Kconfig" |