Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
a862a426 | 4 | select ARCH_MIGHT_HAVE_PC_PARPORT |
c3fc5cd5 | 5 | select HAVE_CONTEXT_TRACKING |
f8ac0425 | 6 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 7 | select HAVE_IDE |
42d4b839 | 8 | select HAVE_OPROFILE |
7f788d2d DCZ |
9 | select HAVE_PERF_EVENTS |
10 | select PERF_USE_VMALLOC | |
88547001 | 11 | select HAVE_ARCH_KGDB |
c0ff3c53 | 12 | select HAVE_ARCH_TRACEHOOK |
7563bbf8 | 13 | select ARCH_HAVE_CUSTOM_GPIO_H |
d2bb0762 | 14 | select HAVE_FUNCTION_TRACER |
69a7d1b3 | 15 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
538f1952 WZ |
16 | select HAVE_DYNAMIC_FTRACE |
17 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 18 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 19 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
20 | select HAVE_KPROBES |
21 | select HAVE_KRETPROBES | |
b69ec42b | 22 | select HAVE_DEBUG_KMEMLEAK |
1d7bf993 | 23 | select HAVE_SYSCALL_TRACEPOINTS |
e26d196c | 24 | select ARCH_BINFMT_ELF_RANDOMIZE_PIE |
383c97b4 | 25 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT |
21a41faa | 26 | select RTC_LIB if !MACH_LOONGSON |
2b78920d | 27 | select GENERIC_ATOMIC64 if !64BIT |
7463449b | 28 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
48e1fd5a DD |
29 | select HAVE_DMA_ATTRS |
30 | select HAVE_DMA_API_DEBUG | |
3bd27e32 | 31 | select GENERIC_IRQ_PROBE |
f8396c17 | 32 | select GENERIC_IRQ_SHOW |
78857614 | 33 | select GENERIC_PCI_IOMAP |
94bb0c1a | 34 | select HAVE_ARCH_JUMP_LABEL |
c1d7e01d | 35 | select ARCH_WANT_IPC_PARSE_VERSION |
0f462e3c | 36 | select IRQ_FORCED_THREADING |
9d15ffc8 TH |
37 | select HAVE_MEMBLOCK |
38 | select HAVE_MEMBLOCK_NODE_MAP | |
39 | select ARCH_DISCARD_MEMBLOCK | |
360014a3 | 40 | select GENERIC_SMP_IDLE_THREAD |
4b054495 | 41 | select BUILDTIME_EXTABLE_SORT |
cde1794b AMG |
42 | select GENERIC_CLOCKEVENTS |
43 | select GENERIC_CMOS_UPDATE | |
786d35d4 | 44 | select HAVE_MOD_ARCH_SPECIFIC |
4febd95a | 45 | select VIRT_TO_BUS |
2f12fb20 JK |
46 | select MODULES_USE_ELF_REL if MODULES |
47 | select MODULES_USE_ELF_RELA if MODULES && 64BIT | |
50150d2b | 48 | select CLONE_BACKWARDS |
d1a1dc0b | 49 | select HAVE_DEBUG_STACKOVERFLOW |
19952a92 | 50 | select HAVE_CC_STACKPROTECTOR |
1da177e4 | 51 | |
1da177e4 LT |
52 | menu "Machine selection" |
53 | ||
5e83d430 RB |
54 | choice |
55 | prompt "System type" | |
56 | default SGI_IP22 | |
1da177e4 | 57 | |
42a4f17d | 58 | config MIPS_ALCHEMY |
c3543e25 | 59 | bool "Alchemy processor based machines" |
42a4f17d | 60 | select 64BIT_PHYS_ADDR |
f772cdb2 | 61 | select CEVT_R4K |
d7ea335c | 62 | select CSRC_R4K |
42a4f17d ML |
63 | select IRQ_CPU |
64 | select SYS_HAS_CPU_MIPS32_R1 | |
65 | select SYS_SUPPORTS_32BIT_KERNEL | |
66 | select SYS_SUPPORTS_APM_EMULATION | |
efb12436 | 67 | select ARCH_REQUIRE_GPIOLIB |
1b93b3c3 | 68 | select SYS_SUPPORTS_ZBOOT |
37663860 ML |
69 | select USB_ARCH_HAS_OHCI |
70 | select USB_ARCH_HAS_EHCI | |
1da177e4 | 71 | |
7ca5dc14 FF |
72 | config AR7 |
73 | bool "Texas Instruments AR7" | |
74 | select BOOT_ELF32 | |
75 | select DMA_NONCOHERENT | |
76 | select CEVT_R4K | |
77 | select CSRC_R4K | |
78 | select IRQ_CPU | |
79 | select NO_EXCEPT_FILL | |
80 | select SWAP_IO_SPACE | |
81 | select SYS_HAS_CPU_MIPS32_R1 | |
82 | select SYS_HAS_EARLY_PRINTK | |
83 | select SYS_SUPPORTS_32BIT_KERNEL | |
84 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1b93b3c3 | 85 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 86 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 | 87 | select VLYNQ |
8551fb64 | 88 | select HAVE_CLK |
7ca5dc14 FF |
89 | help |
90 | Support for the Texas Instruments AR7 System-on-a-Chip | |
91 | family: TNETD7100, 7200 and 7300. | |
92 | ||
d4a67d9d GJ |
93 | config ATH79 |
94 | bool "Atheros AR71XX/AR724X/AR913X based boards" | |
6eae43c5 | 95 | select ARCH_REQUIRE_GPIOLIB |
d4a67d9d GJ |
96 | select BOOT_RAW |
97 | select CEVT_R4K | |
98 | select CSRC_R4K | |
99 | select DMA_NONCOHERENT | |
94638067 | 100 | select HAVE_CLK |
2c4f1ac5 | 101 | select CLKDEV_LOOKUP |
d4a67d9d | 102 | select IRQ_CPU |
0aabf1a4 | 103 | select MIPS_MACHINE |
d4a67d9d GJ |
104 | select SYS_HAS_CPU_MIPS32_R2 |
105 | select SYS_HAS_EARLY_PRINTK | |
106 | select SYS_SUPPORTS_32BIT_KERNEL | |
107 | select SYS_SUPPORTS_BIG_ENDIAN | |
108 | help | |
109 | Support for the Atheros AR71XX/AR724X/AR913X SoCs. | |
110 | ||
1c0c13eb | 111 | config BCM47XX |
c619366e | 112 | bool "Broadcom BCM47XX based boards" |
2da4c74d | 113 | select ARCH_WANT_OPTIONAL_GPIOLIB |
fe08f8c2 | 114 | select BOOT_RAW |
42f77542 | 115 | select CEVT_R4K |
940f6b48 | 116 | select CSRC_R4K |
1c0c13eb | 117 | select DMA_NONCOHERENT |
0e2794b0 | 118 | select FW_CFE |
1c0c13eb AJ |
119 | select HW_HAS_PCI |
120 | select IRQ_CPU | |
314878d2 | 121 | select SYS_HAS_CPU_MIPS32_R1 |
dd54dedd | 122 | select NO_EXCEPT_FILL |
1c0c13eb AJ |
123 | select SYS_SUPPORTS_32BIT_KERNEL |
124 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
25e5fb97 | 125 | select SYS_HAS_EARLY_PRINTK |
1c0c13eb AJ |
126 | help |
127 | Support for BCM47XX based boards | |
128 | ||
e7300d04 MB |
129 | config BCM63XX |
130 | bool "Broadcom BCM63XX based boards" | |
ae8de61c | 131 | select BOOT_RAW |
e7300d04 MB |
132 | select CEVT_R4K |
133 | select CSRC_R4K | |
134 | select DMA_NONCOHERENT | |
135 | select IRQ_CPU | |
136 | select SYS_HAS_CPU_MIPS32_R1 | |
d6e34698 | 137 | select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348 |
e7300d04 MB |
138 | select SYS_SUPPORTS_32BIT_KERNEL |
139 | select SYS_SUPPORTS_BIG_ENDIAN | |
140 | select SYS_HAS_EARLY_PRINTK | |
141 | select SWAP_IO_SPACE | |
142 | select ARCH_REQUIRE_GPIOLIB | |
3e82eeeb | 143 | select HAVE_CLK |
e7300d04 MB |
144 | help |
145 | Support for BCM63XX based boards | |
146 | ||
1da177e4 | 147 | config MIPS_COBALT |
3fa986fa | 148 | bool "Cobalt Server" |
42f77542 | 149 | select CEVT_R4K |
940f6b48 | 150 | select CSRC_R4K |
1097c6ac | 151 | select CEVT_GT641XX |
1da177e4 | 152 | select DMA_NONCOHERENT |
8a8594a7 | 153 | select EARLY_PRINTK_8250 if EARLY_PRINTK |
1da177e4 | 154 | select HW_HAS_PCI |
d865bea4 | 155 | select I8253 |
1da177e4 LT |
156 | select I8259 |
157 | select IRQ_CPU | |
d5ab1a69 | 158 | select IRQ_GT641XX |
252161ec | 159 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 160 | select PCI |
7cf8053b | 161 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 162 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 163 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 164 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 165 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 LT |
166 | |
167 | config MACH_DECSTATION | |
3fa986fa | 168 | bool "DECstations" |
1da177e4 | 169 | select BOOT_ELF32 |
6457d9fc | 170 | select CEVT_DS1287 |
42f77542 | 171 | select CEVT_R4K |
4247417d | 172 | select CSRC_IOASIC |
940f6b48 | 173 | select CSRC_R4K |
20d60d99 MR |
174 | select CPU_DADDI_WORKAROUNDS if 64BIT |
175 | select CPU_R4000_WORKAROUNDS if 64BIT | |
176 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 177 | select DMA_NONCOHERENT |
d388d685 | 178 | select NO_IOPORT |
1da177e4 | 179 | select IRQ_CPU |
7cf8053b RB |
180 | select SYS_HAS_CPU_R3000 |
181 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb | 182 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 183 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 184 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
185 | select SYS_SUPPORTS_128HZ |
186 | select SYS_SUPPORTS_256HZ | |
187 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 188 | help |
1da177e4 LT |
189 | This enables support for DEC's MIPS based workstations. For details |
190 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
191 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
192 | ||
193 | If you have one of the following DECstation Models you definitely | |
194 | want to choose R4xx0 for the CPU Type: | |
195 | ||
9308816c RB |
196 | DECstation 5000/50 |
197 | DECstation 5000/150 | |
198 | DECstation 5000/260 | |
199 | DECsystem 5900/260 | |
1da177e4 LT |
200 | |
201 | otherwise choose R3000. | |
202 | ||
5e83d430 | 203 | config MACH_JAZZ |
3fa986fa | 204 | bool "Jazz family of machines" |
0e2794b0 RB |
205 | select FW_ARC |
206 | select FW_ARC32 | |
5e83d430 | 207 | select ARCH_MAY_HAVE_PC_FDC |
42f77542 | 208 | select CEVT_R4K |
940f6b48 | 209 | select CSRC_R4K |
e2defae5 | 210 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 211 | select GENERIC_ISA_DMA |
8a118c38 | 212 | select HAVE_PCSPKR_PLATFORM |
ea202c63 | 213 | select IRQ_CPU |
d865bea4 | 214 | select I8253 |
5e83d430 RB |
215 | select I8259 |
216 | select ISA | |
7cf8053b | 217 | select SYS_HAS_CPU_R4X00 |
5e83d430 | 218 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 219 | select SYS_SUPPORTS_64BIT_KERNEL |
1723b4a3 | 220 | select SYS_SUPPORTS_100HZ |
1da177e4 | 221 | help |
5e83d430 RB |
222 | This a family of machines based on the MIPS R4030 chipset which was |
223 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 224 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
225 | Olivetti M700-10 workstations. |
226 | ||
5ebabe59 LPC |
227 | config MACH_JZ4740 |
228 | bool "Ingenic JZ4740 based machines" | |
229 | select SYS_HAS_CPU_MIPS32_R1 | |
230 | select SYS_SUPPORTS_32BIT_KERNEL | |
231 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
f9c9affc | 232 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5ebabe59 LPC |
233 | select DMA_NONCOHERENT |
234 | select IRQ_CPU | |
5ebabe59 LPC |
235 | select ARCH_REQUIRE_GPIOLIB |
236 | select SYS_HAS_EARLY_PRINTK | |
237 | select HAVE_PWM | |
ab5330eb | 238 | select HAVE_CLK |
83bc7692 | 239 | select GENERIC_IRQ_CHIP |
5ebabe59 | 240 | |
171bb2f1 JC |
241 | config LANTIQ |
242 | bool "Lantiq based platforms" | |
243 | select DMA_NONCOHERENT | |
244 | select IRQ_CPU | |
245 | select CEVT_R4K | |
246 | select CSRC_R4K | |
247 | select SYS_HAS_CPU_MIPS32_R1 | |
248 | select SYS_HAS_CPU_MIPS32_R2 | |
249 | select SYS_SUPPORTS_BIG_ENDIAN | |
250 | select SYS_SUPPORTS_32BIT_KERNEL | |
251 | select SYS_SUPPORTS_MULTITHREADING | |
252 | select SYS_HAS_EARLY_PRINTK | |
253 | select ARCH_REQUIRE_GPIOLIB | |
254 | select SWAP_IO_SPACE | |
255 | select BOOT_RAW | |
287e3f3f JC |
256 | select HAVE_MACH_CLKDEV |
257 | select CLKDEV_LOOKUP | |
a0392222 | 258 | select USE_OF |
3f8c50c9 JC |
259 | select PINCTRL |
260 | select PINCTRL_LANTIQ | |
171bb2f1 | 261 | |
1f21d2bd BM |
262 | config LASAT |
263 | bool "LASAT Networks platforms" | |
42f77542 | 264 | select CEVT_R4K |
940f6b48 | 265 | select CSRC_R4K |
1f21d2bd BM |
266 | select DMA_NONCOHERENT |
267 | select SYS_HAS_EARLY_PRINTK | |
268 | select HW_HAS_PCI | |
a5ccfe5c | 269 | select IRQ_CPU |
1f21d2bd BM |
270 | select PCI_GT64XXX_PCI0 |
271 | select MIPS_NILE4 | |
272 | select R5000_CPU_SCACHE | |
273 | select SYS_HAS_CPU_R5000 | |
274 | select SYS_SUPPORTS_32BIT_KERNEL | |
275 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
276 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 277 | |
85749d24 WZ |
278 | config MACH_LOONGSON |
279 | bool "Loongson family of machines" | |
c7e8c668 | 280 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 281 | help |
85749d24 WZ |
282 | This enables the support of Loongson family of machines. |
283 | ||
284 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
285 | developed at Institute of Computing Technology (ICT), | |
286 | Chinese Academy of Sciences (CAS) in the People's Republic | |
287 | of China. The chief architect is Professor Weiwu Hu. | |
ade299d8 | 288 | |
ca585cf9 KC |
289 | config MACH_LOONGSON1 |
290 | bool "Loongson 1 family of machines" | |
291 | select SYS_SUPPORTS_ZBOOT | |
292 | help | |
293 | This enables support for the Loongson 1 based machines. | |
294 | ||
295 | Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by | |
296 | the ICT (Institute of Computing Technology) and the Chinese Academy | |
297 | of Sciences. | |
298 | ||
1da177e4 | 299 | config MIPS_MALTA |
3fa986fa | 300 | bool "MIPS Malta board" |
61ed242d | 301 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 302 | select BOOT_ELF32 |
fa71c960 | 303 | select BOOT_RAW |
42f77542 | 304 | select CEVT_R4K |
940f6b48 | 305 | select CSRC_R4K |
778eeb1b | 306 | select CSRC_GIC |
1da177e4 LT |
307 | select DMA_NONCOHERENT |
308 | select GENERIC_ISA_DMA | |
8a118c38 | 309 | select HAVE_PCSPKR_PLATFORM |
aa414dff | 310 | select IRQ_CPU |
39b8d525 | 311 | select IRQ_GIC |
1da177e4 | 312 | select HW_HAS_PCI |
d865bea4 | 313 | select I8253 |
1da177e4 | 314 | select I8259 |
5e83d430 | 315 | select MIPS_BONITO64 |
9318c51a | 316 | select MIPS_CPU_SCACHE |
252161ec | 317 | select PCI_GT64XXX_PCI0 |
5e83d430 | 318 | select MIPS_MSC |
1da177e4 | 319 | select SWAP_IO_SPACE |
7cf8053b RB |
320 | select SYS_HAS_CPU_MIPS32_R1 |
321 | select SYS_HAS_CPU_MIPS32_R2 | |
322 | select SYS_HAS_CPU_MIPS64_R1 | |
5d9fbed1 | 323 | select SYS_HAS_CPU_MIPS64_R2 |
7cf8053b RB |
324 | select SYS_HAS_CPU_NEVADA |
325 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 326 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
327 | select SYS_SUPPORTS_32BIT_KERNEL |
328 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
329 | select SYS_SUPPORTS_BIG_ENDIAN |
330 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
0365070f | 331 | select SYS_SUPPORTS_MIPS_CMP |
f41ae0b2 | 332 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 333 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 334 | select SYS_SUPPORTS_ZBOOT |
1da177e4 | 335 | help |
f638d197 | 336 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
337 | board. |
338 | ||
ec47b274 SH |
339 | config MIPS_SEAD3 |
340 | bool "MIPS SEAD3 board" | |
341 | select BOOT_ELF32 | |
342 | select BOOT_RAW | |
343 | select CEVT_R4K | |
344 | select CSRC_R4K | |
dfa762e1 | 345 | select CSRC_GIC |
ec47b274 SH |
346 | select CPU_MIPSR2_IRQ_VI |
347 | select CPU_MIPSR2_IRQ_EI | |
348 | select DMA_NONCOHERENT | |
349 | select IRQ_CPU | |
350 | select IRQ_GIC | |
ec47b274 SH |
351 | select MIPS_MSC |
352 | select SYS_HAS_CPU_MIPS32_R1 | |
353 | select SYS_HAS_CPU_MIPS32_R2 | |
354 | select SYS_HAS_CPU_MIPS64_R1 | |
355 | select SYS_HAS_EARLY_PRINTK | |
356 | select SYS_SUPPORTS_32BIT_KERNEL | |
357 | select SYS_SUPPORTS_64BIT_KERNEL | |
358 | select SYS_SUPPORTS_BIG_ENDIAN | |
359 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
360 | select SYS_SUPPORTS_SMARTMIPS | |
a6a4834c | 361 | select SYS_SUPPORTS_MICROMIPS |
ec47b274 SH |
362 | select USB_ARCH_HAS_EHCI |
363 | select USB_EHCI_BIG_ENDIAN_DESC | |
364 | select USB_EHCI_BIG_ENDIAN_MMIO | |
9b731009 | 365 | select USE_OF |
ec47b274 SH |
366 | help |
367 | This enables support for the MIPS Technologies SEAD3 evaluation | |
368 | board. | |
369 | ||
a83860c2 RB |
370 | config NEC_MARKEINS |
371 | bool "NEC EMMA2RH Mark-eins board" | |
372 | select SOC_EMMA2RH | |
373 | select HW_HAS_PCI | |
374 | help | |
375 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 376 | |
5e83d430 | 377 | config MACH_VR41XX |
74142d65 | 378 | bool "NEC VR4100 series based machines" |
42f77542 | 379 | select CEVT_R4K |
940f6b48 | 380 | select CSRC_R4K |
7cf8053b | 381 | select SYS_HAS_CPU_VR41XX |
27fdd325 | 382 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 383 | |
edb6310a DL |
384 | config NXP_STB220 |
385 | bool "NXP STB220 board" | |
386 | select SOC_PNX833X | |
387 | help | |
388 | Support for NXP Semiconductors STB220 Development Board. | |
389 | ||
390 | config NXP_STB225 | |
391 | bool "NXP 225 board" | |
392 | select SOC_PNX833X | |
393 | select SOC_PNX8335 | |
394 | help | |
395 | Support for NXP Semiconductors STB225 Development Board. | |
396 | ||
9267a30d MSJ |
397 | config PMC_MSP |
398 | bool "PMC-Sierra MSP chipsets" | |
39d30c13 A |
399 | select CEVT_R4K |
400 | select CSRC_R4K | |
9267a30d MSJ |
401 | select DMA_NONCOHERENT |
402 | select SWAP_IO_SPACE | |
403 | select NO_EXCEPT_FILL | |
404 | select BOOT_RAW | |
405 | select SYS_HAS_CPU_MIPS32_R1 | |
406 | select SYS_HAS_CPU_MIPS32_R2 | |
407 | select SYS_SUPPORTS_32BIT_KERNEL | |
408 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
409 | select IRQ_CPU |
410 | select SERIAL_8250 | |
411 | select SERIAL_8250_CONSOLE | |
9296d94d FF |
412 | select USB_EHCI_BIG_ENDIAN_MMIO |
413 | select USB_EHCI_BIG_ENDIAN_DESC | |
9267a30d MSJ |
414 | help |
415 | This adds support for the PMC-Sierra family of Multi-Service | |
416 | Processor System-On-A-Chips. These parts include a number | |
417 | of integrated peripherals, interfaces and DSPs in addition to | |
418 | a variety of MIPS cores. | |
419 | ||
ae2b5bb6 JC |
420 | config RALINK |
421 | bool "Ralink based machines" | |
422 | select CEVT_R4K | |
423 | select CSRC_R4K | |
424 | select BOOT_RAW | |
425 | select DMA_NONCOHERENT | |
426 | select IRQ_CPU | |
427 | select USE_OF | |
428 | select SYS_HAS_CPU_MIPS32_R1 | |
429 | select SYS_HAS_CPU_MIPS32_R2 | |
430 | select SYS_SUPPORTS_32BIT_KERNEL | |
431 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
432 | select SYS_HAS_EARLY_PRINTK | |
433 | select HAVE_MACH_CLKDEV | |
434 | select CLKDEV_LOOKUP | |
2a153f1c JC |
435 | select ARCH_HAS_RESET_CONTROLLER |
436 | select RESET_CONTROLLER | |
ae2b5bb6 | 437 | |
1da177e4 | 438 | config SGI_IP22 |
3fa986fa | 439 | bool "SGI IP22 (Indy/Indigo2)" |
0e2794b0 RB |
440 | select FW_ARC |
441 | select FW_ARC32 | |
1da177e4 | 442 | select BOOT_ELF32 |
42f77542 | 443 | select CEVT_R4K |
940f6b48 | 444 | select CSRC_R4K |
e2defae5 | 445 | select DEFAULT_SGI_PARTITION |
1da177e4 | 446 | select DMA_NONCOHERENT |
5e83d430 | 447 | select HW_HAS_EISA |
d865bea4 | 448 | select I8253 |
68de4803 | 449 | select I8259 |
1da177e4 LT |
450 | select IP22_CPU_SCACHE |
451 | select IRQ_CPU | |
aa414dff | 452 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
453 | select SGI_HAS_I8042 |
454 | select SGI_HAS_INDYDOG | |
36e5c21d | 455 | select SGI_HAS_HAL2 |
e2defae5 TB |
456 | select SGI_HAS_SEEQ |
457 | select SGI_HAS_WD93 | |
458 | select SGI_HAS_ZILOG | |
1da177e4 | 459 | select SWAP_IO_SPACE |
7cf8053b RB |
460 | select SYS_HAS_CPU_R4X00 |
461 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
462 | # |
463 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
464 | # memory during early boot on some machines. | |
465 | # | |
466 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
467 | # for a more details discussion | |
468 | # | |
469 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
470 | select SYS_SUPPORTS_32BIT_KERNEL |
471 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 472 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
473 | help |
474 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
475 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
476 | that runs on these, say Y here. | |
477 | ||
478 | config SGI_IP27 | |
3fa986fa | 479 | bool "SGI IP27 (Origin200/2000)" |
0e2794b0 RB |
480 | select FW_ARC |
481 | select FW_ARC64 | |
5e83d430 | 482 | select BOOT_ELF64 |
e2defae5 | 483 | select DEFAULT_SGI_PARTITION |
634286f1 | 484 | select DMA_COHERENT |
36a88530 | 485 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 486 | select HW_HAS_PCI |
130e2fb7 | 487 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 488 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 489 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 490 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 491 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 492 | select SYS_SUPPORTS_SMP |
1da177e4 LT |
493 | help |
494 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
495 | workstations. To compile a Linux kernel that runs on these, say Y | |
496 | here. | |
497 | ||
e2defae5 | 498 | config SGI_IP28 |
7d60717e | 499 | bool "SGI IP28 (Indigo2 R10k)" |
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" | |
9a6dcea1 AI |
557 | select BOOT_ELF32 |
558 | select DMA_COHERENT | |
ade299d8 | 559 | select SIBYTE_BCM1120 |
9a6dcea1 | 560 | select SWAP_IO_SPACE |
7cf8053b | 561 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
562 | select SYS_SUPPORTS_BIG_ENDIAN |
563 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
564 | ||
ade299d8 YY |
565 | config SIBYTE_CARMEL |
566 | bool "Sibyte BCM91120x-Carmel" | |
5e83d430 | 567 | select BOOT_ELF32 |
1da177e4 | 568 | select DMA_COHERENT |
ade299d8 | 569 | select SIBYTE_BCM1120 |
5e83d430 | 570 | select SWAP_IO_SPACE |
7cf8053b | 571 | select SYS_HAS_CPU_SB1 |
81731f79 | 572 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 573 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 574 | |
ade299d8 YY |
575 | config SIBYTE_CRHONE |
576 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
577 | select BOOT_ELF32 |
578 | select DMA_COHERENT | |
ade299d8 | 579 | select SIBYTE_BCM1125 |
5e83d430 | 580 | select SWAP_IO_SPACE |
7cf8053b | 581 | select SYS_HAS_CPU_SB1 |
5e83d430 | 582 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 583 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 584 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 585 | |
5e83d430 | 586 | config SIBYTE_RHONE |
3fa986fa | 587 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
588 | select BOOT_ELF32 |
589 | select DMA_COHERENT | |
590 | select SIBYTE_BCM1125H | |
591 | select SWAP_IO_SPACE | |
7cf8053b | 592 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
593 | select SYS_SUPPORTS_BIG_ENDIAN |
594 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 595 | |
ade299d8 YY |
596 | config SIBYTE_SWARM |
597 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 598 | select BOOT_ELF32 |
26a940e2 | 599 | select DMA_COHERENT |
fcf3ca4c | 600 | select HAVE_PATA_PLATFORM |
ade299d8 | 601 | select SIBYTE_SB1250 |
5e83d430 | 602 | select SWAP_IO_SPACE |
7cf8053b | 603 | select SYS_HAS_CPU_SB1 |
5e83d430 | 604 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 605 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 606 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 607 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 608 | |
ade299d8 YY |
609 | config SIBYTE_LITTLESUR |
610 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
611 | select BOOT_ELF32 |
612 | select DMA_COHERENT | |
fcf3ca4c | 613 | select HAVE_PATA_PLATFORM |
5e83d430 RB |
614 | select SIBYTE_SB1250 |
615 | select SWAP_IO_SPACE | |
7cf8053b | 616 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
617 | select SYS_SUPPORTS_BIG_ENDIAN |
618 | select SYS_SUPPORTS_HIGHMEM | |
619 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 620 | |
ade299d8 YY |
621 | config SIBYTE_SENTOSA |
622 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
623 | select BOOT_ELF32 |
624 | select DMA_COHERENT | |
625 | select SIBYTE_SB1250 | |
626 | select SWAP_IO_SPACE | |
7cf8053b | 627 | select SYS_HAS_CPU_SB1 |
5e83d430 | 628 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 629 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 630 | |
ade299d8 YY |
631 | config SIBYTE_BIGSUR |
632 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
633 | select BOOT_ELF32 |
634 | select DMA_COHERENT | |
ade299d8 | 635 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 636 | select SIBYTE_BCM1x80 |
5e83d430 | 637 | select SWAP_IO_SPACE |
7cf8053b | 638 | select SYS_HAS_CPU_SB1 |
5e83d430 | 639 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 640 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 641 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 642 | select ZONE_DMA32 if 64BIT |
1da177e4 | 643 | |
14b36af4 TB |
644 | config SNI_RM |
645 | bool "SNI RM200/300/400" | |
0e2794b0 RB |
646 | select FW_ARC if CPU_LITTLE_ENDIAN |
647 | select FW_ARC32 if CPU_LITTLE_ENDIAN | |
aaa9fad3 | 648 | select FW_SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 649 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 650 | select BOOT_ELF32 |
42f77542 | 651 | select CEVT_R4K |
940f6b48 | 652 | select CSRC_R4K |
e2defae5 | 653 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
654 | select DMA_NONCOHERENT |
655 | select GENERIC_ISA_DMA | |
8a118c38 | 656 | select HAVE_PCSPKR_PLATFORM |
5e83d430 | 657 | select HW_HAS_EISA |
1da177e4 | 658 | select HW_HAS_PCI |
c066a32a | 659 | select IRQ_CPU |
d865bea4 | 660 | select I8253 |
1da177e4 LT |
661 | select I8259 |
662 | select ISA | |
4a0312fc | 663 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 664 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 665 | select SYS_HAS_CPU_R5000 |
c066a32a | 666 | select SYS_HAS_CPU_R10000 |
4a0312fc | 667 | select R5000_CPU_SCACHE |
36a88530 | 668 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 669 | select SYS_SUPPORTS_32BIT_KERNEL |
7d60717e | 670 | select SYS_SUPPORTS_64BIT_KERNEL |
4a0312fc | 671 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 672 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 673 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 674 | help |
14b36af4 TB |
675 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
676 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
677 | Technology and now in turn merged with Fujitsu. Say Y here to |
678 | support this machine type. | |
679 | ||
edcaf1a6 AN |
680 | config MACH_TX39XX |
681 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 682 | |
edcaf1a6 AN |
683 | config MACH_TX49XX |
684 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 685 | |
73b4390f RB |
686 | config MIKROTIK_RB532 |
687 | bool "Mikrotik RB532 boards" | |
688 | select CEVT_R4K | |
689 | select CSRC_R4K | |
690 | select DMA_NONCOHERENT | |
73b4390f RB |
691 | select HW_HAS_PCI |
692 | select IRQ_CPU | |
693 | select SYS_HAS_CPU_MIPS32_R1 | |
694 | select SYS_SUPPORTS_32BIT_KERNEL | |
695 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
696 | select SWAP_IO_SPACE | |
697 | select BOOT_RAW | |
d888e25b | 698 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
699 | help |
700 | Support the Mikrotik(tm) RouterBoard 532 series, | |
701 | based on the IDT RC32434 SoC. | |
702 | ||
9ddebc46 DD |
703 | config CAVIUM_OCTEON_SOC |
704 | bool "Cavium Networks Octeon SoC based boards" | |
a86c7f72 DD |
705 | select CEVT_R4K |
706 | select 64BIT_PHYS_ADDR | |
707 | select DMA_COHERENT | |
708 | select SYS_SUPPORTS_64BIT_KERNEL | |
709 | select SYS_SUPPORTS_BIG_ENDIAN | |
f65aad41 | 710 | select EDAC_SUPPORT |
773cb77d | 711 | select SYS_SUPPORTS_HOTPLUG_CPU |
a86c7f72 | 712 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 713 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 714 | select SWAP_IO_SPACE |
e8635b48 | 715 | select HW_HAS_PCI |
f00e001e | 716 | select ZONE_DMA32 |
340fbb8b DD |
717 | select USB_ARCH_HAS_OHCI |
718 | select USB_ARCH_HAS_EHCI | |
465aaed0 | 719 | select HOLES_IN_ZONE |
99cab4bb | 720 | select ARCH_REQUIRE_GPIOLIB |
a86c7f72 DD |
721 | help |
722 | This option supports all of the Octeon reference boards from Cavium | |
723 | Networks. It builds a kernel that dynamically determines the Octeon | |
724 | CPU type and supports all known board reference implementations. | |
725 | Some of the supported boards are: | |
726 | EBT3000 | |
727 | EBH3000 | |
728 | EBH3100 | |
729 | Thunder | |
730 | Kodama | |
731 | Hikari | |
732 | Say Y here for most Octeon reference boards. | |
733 | ||
7f058e85 J |
734 | config NLM_XLR_BOARD |
735 | bool "Netlogic XLR/XLS based systems" | |
7f058e85 J |
736 | select BOOT_ELF32 |
737 | select NLM_COMMON | |
7f058e85 J |
738 | select SYS_HAS_CPU_XLR |
739 | select SYS_SUPPORTS_SMP | |
740 | select HW_HAS_PCI | |
741 | select SWAP_IO_SPACE | |
742 | select SYS_SUPPORTS_32BIT_KERNEL | |
743 | select SYS_SUPPORTS_64BIT_KERNEL | |
744 | select 64BIT_PHYS_ADDR | |
745 | select SYS_SUPPORTS_BIG_ENDIAN | |
746 | select SYS_SUPPORTS_HIGHMEM | |
747 | select DMA_COHERENT | |
748 | select NR_CPUS_DEFAULT_32 | |
749 | select CEVT_R4K | |
750 | select CSRC_R4K | |
751 | select IRQ_CPU | |
b97215fd | 752 | select ZONE_DMA32 if 64BIT |
7f058e85 J |
753 | select SYNC_R4K |
754 | select SYS_HAS_EARLY_PRINTK | |
f35574a3 J |
755 | select USB_ARCH_HAS_OHCI if USB_SUPPORT |
756 | select USB_ARCH_HAS_EHCI if USB_SUPPORT | |
8f0b0430 J |
757 | select SYS_SUPPORTS_ZBOOT |
758 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
7f058e85 J |
759 | help |
760 | Support for systems based on Netlogic XLR and XLS processors. | |
761 | Say Y here if you have a XLR or XLS based board. | |
762 | ||
1c773ea4 J |
763 | config NLM_XLP_BOARD |
764 | bool "Netlogic XLP based systems" | |
1c773ea4 J |
765 | select BOOT_ELF32 |
766 | select NLM_COMMON | |
767 | select SYS_HAS_CPU_XLP | |
768 | select SYS_SUPPORTS_SMP | |
769 | select HW_HAS_PCI | |
1c773ea4 J |
770 | select SYS_SUPPORTS_32BIT_KERNEL |
771 | select SYS_SUPPORTS_64BIT_KERNEL | |
772 | select 64BIT_PHYS_ADDR | |
773 | select SYS_SUPPORTS_BIG_ENDIAN | |
774 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
775 | select SYS_SUPPORTS_HIGHMEM | |
776 | select DMA_COHERENT | |
777 | select NR_CPUS_DEFAULT_32 | |
778 | select CEVT_R4K | |
779 | select CSRC_R4K | |
780 | select IRQ_CPU | |
b97215fd | 781 | select ZONE_DMA32 if 64BIT |
1c773ea4 J |
782 | select SYNC_R4K |
783 | select SYS_HAS_EARLY_PRINTK | |
2f6528e1 | 784 | select USE_OF |
8f0b0430 J |
785 | select SYS_SUPPORTS_ZBOOT |
786 | select SYS_SUPPORTS_ZBOOT_UART16550 | |
1c773ea4 J |
787 | help |
788 | This board is based on Netlogic XLP Processor. | |
789 | Say Y here if you have a XLP based board. | |
790 | ||
5e83d430 | 791 | endchoice |
1da177e4 | 792 | |
e8c7c482 | 793 | source "arch/mips/alchemy/Kconfig" |
d4a67d9d | 794 | source "arch/mips/ath79/Kconfig" |
a656ffcb | 795 | source "arch/mips/bcm47xx/Kconfig" |
e7300d04 | 796 | source "arch/mips/bcm63xx/Kconfig" |
5e83d430 | 797 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 798 | source "arch/mips/jz4740/Kconfig" |
8ec6d935 | 799 | source "arch/mips/lantiq/Kconfig" |
1f21d2bd | 800 | source "arch/mips/lasat/Kconfig" |
0f3a05cb | 801 | source "arch/mips/pmcs-msp71xx/Kconfig" |
ae2b5bb6 | 802 | source "arch/mips/ralink/Kconfig" |
29c48699 | 803 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 804 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 805 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 806 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 807 | source "arch/mips/cavium-octeon/Kconfig" |
85749d24 | 808 | source "arch/mips/loongson/Kconfig" |
ca585cf9 | 809 | source "arch/mips/loongson1/Kconfig" |
7f058e85 | 810 | source "arch/mips/netlogic/Kconfig" |
38b18f72 | 811 | |
5e83d430 RB |
812 | endmenu |
813 | ||
1da177e4 LT |
814 | config RWSEM_GENERIC_SPINLOCK |
815 | bool | |
816 | default y | |
817 | ||
818 | config RWSEM_XCHGADD_ALGORITHM | |
819 | bool | |
820 | ||
f0d1b0b3 DH |
821 | config ARCH_HAS_ILOG2_U32 |
822 | bool | |
823 | default n | |
824 | ||
825 | config ARCH_HAS_ILOG2_U64 | |
826 | bool | |
827 | default n | |
828 | ||
3c9ee7ef AM |
829 | config GENERIC_HWEIGHT |
830 | bool | |
831 | default y | |
832 | ||
1da177e4 LT |
833 | config GENERIC_CALIBRATE_DELAY |
834 | bool | |
835 | default y | |
836 | ||
ae1e9130 | 837 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
838 | bool |
839 | default y | |
840 | ||
1da177e4 LT |
841 | # |
842 | # Select some configuration options automatically based on user selections. | |
843 | # | |
0e2794b0 | 844 | config FW_ARC |
1da177e4 | 845 | bool |
1da177e4 | 846 | |
61ed242d RB |
847 | config ARCH_MAY_HAVE_PC_FDC |
848 | bool | |
849 | ||
9267a30d MSJ |
850 | config BOOT_RAW |
851 | bool | |
852 | ||
217dd11e RB |
853 | config CEVT_BCM1480 |
854 | bool | |
855 | ||
6457d9fc YY |
856 | config CEVT_DS1287 |
857 | bool | |
858 | ||
1097c6ac YY |
859 | config CEVT_GT641XX |
860 | bool | |
861 | ||
42f77542 RB |
862 | config CEVT_R4K |
863 | bool | |
864 | ||
0ab2b7d0 RG |
865 | config CEVT_GIC |
866 | bool | |
867 | ||
217dd11e RB |
868 | config CEVT_SB1250 |
869 | bool | |
870 | ||
229f773e AN |
871 | config CEVT_TXX9 |
872 | bool | |
873 | ||
217dd11e RB |
874 | config CSRC_BCM1480 |
875 | bool | |
876 | ||
4247417d YY |
877 | config CSRC_IOASIC |
878 | bool | |
879 | ||
940f6b48 RB |
880 | config CSRC_R4K |
881 | bool | |
882 | ||
778eeb1b SH |
883 | config CSRC_GIC |
884 | bool | |
885 | ||
217dd11e RB |
886 | config CSRC_SB1250 |
887 | bool | |
888 | ||
a9aec7fe | 889 | config GPIO_TXX9 |
7444a72e | 890 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
891 | bool |
892 | ||
0e2794b0 | 893 | config FW_CFE |
df78b5c8 AJ |
894 | bool |
895 | ||
4bafad92 FT |
896 | config ARCH_DMA_ADDR_T_64BIT |
897 | def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT | |
898 | ||
4ce588cd | 899 | config DMA_COHERENT |
1da177e4 LT |
900 | bool |
901 | ||
4ce588cd RB |
902 | config DMA_NONCOHERENT |
903 | bool | |
e1e02b32 | 904 | select NEED_DMA_MAP_STATE |
4ce588cd | 905 | |
e1e02b32 | 906 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
907 | bool |
908 | ||
36a88530 | 909 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 910 | bool |
1da177e4 | 911 | |
dbb74540 | 912 | config HOTPLUG_CPU |
1b2bc75c | 913 | bool "Support for hot-pluggable CPUs" |
40b31360 | 914 | depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU |
1b2bc75c RB |
915 | help |
916 | Say Y here to allow turning CPUs off and on. CPUs can be | |
917 | controlled through /sys/devices/system/cpu. | |
918 | (Note: power management support will enable this option | |
919 | automatically on SMP systems. ) | |
920 | Say N if you want to disable CPU hotplug. | |
921 | ||
922 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 923 | bool |
dbb74540 | 924 | |
1da177e4 LT |
925 | config I8259 |
926 | bool | |
1da177e4 | 927 | |
1da177e4 LT |
928 | config MIPS_BONITO64 |
929 | bool | |
1da177e4 LT |
930 | |
931 | config MIPS_MSC | |
932 | bool | |
1da177e4 | 933 | |
1f21d2bd BM |
934 | config MIPS_NILE4 |
935 | bool | |
936 | ||
39b8d525 RB |
937 | config SYNC_R4K |
938 | bool | |
939 | ||
487d70d0 GJ |
940 | config MIPS_MACHINE |
941 | def_bool n | |
942 | ||
d388d685 MR |
943 | config NO_IOPORT |
944 | def_bool n | |
945 | ||
8313da30 RB |
946 | config GENERIC_ISA_DMA |
947 | bool | |
948 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 949 | select ISA_DMA_API |
8313da30 | 950 | |
aa414dff RB |
951 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
952 | bool | |
8313da30 | 953 | select GENERIC_ISA_DMA |
aa414dff | 954 | |
a35bee8a NK |
955 | config ISA_DMA_API |
956 | bool | |
957 | ||
465aaed0 DD |
958 | config HOLES_IN_ZONE |
959 | bool | |
960 | ||
5e83d430 | 961 | # |
6b2aac42 | 962 | # Endianness selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
963 | # answer,so we try hard to limit the available choices. Also the use of a |
964 | # choice statement should be more obvious to the user. | |
965 | # | |
966 | choice | |
6b2aac42 | 967 | prompt "Endianness selection" |
1da177e4 LT |
968 | help |
969 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 970 | byte order. These modes require different kernels and a different |
3cb2fccc | 971 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 972 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 973 | one or the other endianness. |
5e83d430 RB |
974 | |
975 | config CPU_BIG_ENDIAN | |
976 | bool "Big endian" | |
977 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
978 | ||
979 | config CPU_LITTLE_ENDIAN | |
980 | bool "Little endian" | |
981 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
5e83d430 RB |
982 | |
983 | endchoice | |
984 | ||
22b0763a DD |
985 | config EXPORT_UASM |
986 | bool | |
987 | ||
2116245e RB |
988 | config SYS_SUPPORTS_APM_EMULATION |
989 | bool | |
990 | ||
5e83d430 RB |
991 | config SYS_SUPPORTS_BIG_ENDIAN |
992 | bool | |
993 | ||
994 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
995 | bool | |
1da177e4 | 996 | |
9cffd154 DD |
997 | config SYS_SUPPORTS_HUGETLBFS |
998 | bool | |
999 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
1000 | default y | |
1001 | ||
aa1762f4 DD |
1002 | config MIPS_HUGE_TLB_SUPPORT |
1003 | def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE | |
1004 | ||
1da177e4 LT |
1005 | config IRQ_CPU |
1006 | bool | |
1007 | ||
1008 | config IRQ_CPU_RM7K | |
1009 | bool | |
1010 | ||
9267a30d MSJ |
1011 | config IRQ_MSP_SLP |
1012 | bool | |
1013 | ||
1014 | config IRQ_MSP_CIC | |
1015 | bool | |
1016 | ||
8420fd00 AN |
1017 | config IRQ_TXX9 |
1018 | bool | |
1019 | ||
d5ab1a69 YY |
1020 | config IRQ_GT641XX |
1021 | bool | |
1022 | ||
39b8d525 RB |
1023 | config IRQ_GIC |
1024 | bool | |
1025 | ||
252161ec | 1026 | config PCI_GT64XXX_PCI0 |
1da177e4 | 1027 | bool |
1da177e4 | 1028 | |
9267a30d MSJ |
1029 | config NO_EXCEPT_FILL |
1030 | bool | |
1031 | ||
a83860c2 RB |
1032 | config SOC_EMMA2RH |
1033 | bool | |
1034 | select CEVT_R4K | |
1035 | select CSRC_R4K | |
1036 | select DMA_NONCOHERENT | |
1037 | select IRQ_CPU | |
1038 | select SWAP_IO_SPACE | |
1039 | select SYS_HAS_CPU_R5500 | |
1040 | select SYS_SUPPORTS_32BIT_KERNEL | |
1041 | select SYS_SUPPORTS_64BIT_KERNEL | |
1042 | select SYS_SUPPORTS_BIG_ENDIAN | |
1043 | ||
edb6310a DL |
1044 | config SOC_PNX833X |
1045 | bool | |
1046 | select CEVT_R4K | |
1047 | select CSRC_R4K | |
1048 | select IRQ_CPU | |
1049 | select DMA_NONCOHERENT | |
1050 | select SYS_HAS_CPU_MIPS32_R2 | |
1051 | select SYS_SUPPORTS_32BIT_KERNEL | |
1052 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1053 | select SYS_SUPPORTS_BIG_ENDIAN | |
edb6310a DL |
1054 | select CPU_MIPSR2_IRQ_VI |
1055 | ||
1056 | config SOC_PNX8335 | |
1057 | bool | |
1058 | select SOC_PNX833X | |
1059 | ||
1da177e4 LT |
1060 | config SWAP_IO_SPACE |
1061 | bool | |
1062 | ||
e2defae5 TB |
1063 | config SGI_HAS_INDYDOG |
1064 | bool | |
1065 | ||
5b438c44 TB |
1066 | config SGI_HAS_HAL2 |
1067 | bool | |
1068 | ||
e2defae5 TB |
1069 | config SGI_HAS_SEEQ |
1070 | bool | |
1071 | ||
1072 | config SGI_HAS_WD93 | |
1073 | bool | |
1074 | ||
1075 | config SGI_HAS_ZILOG | |
1076 | bool | |
1077 | ||
1078 | config SGI_HAS_I8042 | |
1079 | bool | |
1080 | ||
1081 | config DEFAULT_SGI_PARTITION | |
1082 | bool | |
1083 | ||
0e2794b0 | 1084 | config FW_ARC32 |
5e83d430 RB |
1085 | bool |
1086 | ||
aaa9fad3 | 1087 | config FW_SNIPROM |
231a35d3 TB |
1088 | bool |
1089 | ||
1da177e4 LT |
1090 | config BOOT_ELF32 |
1091 | bool | |
1da177e4 LT |
1092 | |
1093 | config MIPS_L1_CACHE_SHIFT | |
1094 | int | |
80fb55a9 | 1095 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X |
0db2b74e | 1096 | default "6" if MIPS_CPU_SCACHE |
a86c7f72 | 1097 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1098 | default "5" |
1099 | ||
1da177e4 LT |
1100 | config HAVE_STD_PC_SERIAL_PORT |
1101 | bool | |
1102 | ||
1da177e4 LT |
1103 | config ARC_CONSOLE |
1104 | bool "ARC console support" | |
e2defae5 | 1105 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1106 | |
1107 | config ARC_MEMORY | |
1108 | bool | |
14b36af4 | 1109 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1110 | default y |
1111 | ||
1112 | config ARC_PROMLIB | |
1113 | bool | |
e2defae5 | 1114 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1115 | default y |
1116 | ||
0e2794b0 | 1117 | config FW_ARC64 |
1da177e4 | 1118 | bool |
1da177e4 LT |
1119 | |
1120 | config BOOT_ELF64 | |
1121 | bool | |
1da177e4 | 1122 | |
1da177e4 LT |
1123 | menu "CPU selection" |
1124 | ||
1125 | choice | |
1126 | prompt "CPU type" | |
1127 | default CPU_R4X00 | |
1128 | ||
3702bba5 WZ |
1129 | config CPU_LOONGSON2E |
1130 | bool "Loongson 2E" | |
1131 | depends on SYS_HAS_CPU_LOONGSON2E | |
1132 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1133 | help |
1134 | The Loongson 2E processor implements the MIPS III instruction set | |
1135 | with many extensions. | |
1136 | ||
25985edc | 1137 | It has an internal FPGA northbridge, which is compatible to |
6f7a251a WZ |
1138 | bonito64. |
1139 | ||
1140 | config CPU_LOONGSON2F | |
1141 | bool "Loongson 2F" | |
1142 | depends on SYS_HAS_CPU_LOONGSON2F | |
1143 | select CPU_LOONGSON2 | |
c197da91 | 1144 | select ARCH_REQUIRE_GPIOLIB |
6f7a251a WZ |
1145 | help |
1146 | The Loongson 2F processor implements the MIPS III instruction set | |
1147 | with many extensions. | |
1148 | ||
1149 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1150 | have a similar programming interface with FPGA northbridge used in | |
1151 | Loongson2E. | |
1152 | ||
ca585cf9 KC |
1153 | config CPU_LOONGSON1B |
1154 | bool "Loongson 1B" | |
1155 | depends on SYS_HAS_CPU_LOONGSON1B | |
1156 | select CPU_LOONGSON1 | |
1157 | help | |
1158 | The Loongson 1B is a 32-bit SoC, which implements the MIPS32 | |
1159 | release 2 instruction set. | |
1160 | ||
6e760c8d RB |
1161 | config CPU_MIPS32_R1 |
1162 | bool "MIPS32 Release 1" | |
7cf8053b | 1163 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1164 | select CPU_HAS_PREFETCH |
797798c1 | 1165 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1166 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1167 | help |
5e83d430 | 1168 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1169 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1170 | MIPS processor are based on a MIPS32 processor. If you know the | |
1171 | specific type of processor in your system, choose those that one | |
1172 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1173 | Release 2 of the MIPS32 architecture is available since several | |
1174 | years so chances are you even have a MIPS32 Release 2 processor | |
1175 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1176 | performance. | |
1177 | ||
1178 | config CPU_MIPS32_R2 | |
1179 | bool "MIPS32 Release 2" | |
7cf8053b | 1180 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1181 | select CPU_HAS_PREFETCH |
797798c1 | 1182 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1183 | select CPU_SUPPORTS_HIGHMEM |
2235a54d | 1184 | select HAVE_KVM |
6e760c8d | 1185 | help |
5e83d430 | 1186 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1187 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1188 | MIPS processor are based on a MIPS32 processor. If you know the | |
1189 | specific type of processor in your system, choose those that one | |
1190 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1191 | ||
1192 | config CPU_MIPS64_R1 | |
1193 | bool "MIPS64 Release 1" | |
7cf8053b | 1194 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1195 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1196 | select CPU_SUPPORTS_32BIT_KERNEL |
1197 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1198 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1199 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1200 | help |
1201 | Choose this option to build a kernel for release 1 or later of the | |
1202 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1203 | MIPS processor are based on a MIPS64 processor. If you know the | |
1204 | specific type of processor in your system, choose those that one | |
1205 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1206 | Release 2 of the MIPS64 architecture is available since several |
1207 | years so chances are you even have a MIPS64 Release 2 processor | |
1208 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1209 | performance. | |
1210 | ||
1211 | config CPU_MIPS64_R2 | |
1212 | bool "MIPS64 Release 2" | |
7cf8053b | 1213 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1214 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1215 | select CPU_SUPPORTS_32BIT_KERNEL |
1216 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1217 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1218 | select CPU_SUPPORTS_HUGEPAGES |
1e5f1caa RB |
1219 | help |
1220 | Choose this option to build a kernel for release 2 or later of the | |
1221 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1222 | MIPS processor are based on a MIPS64 processor. If you know the | |
1223 | specific type of processor in your system, choose those that one | |
1224 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1225 | |
1226 | config CPU_R3000 | |
1227 | bool "R3000" | |
7cf8053b | 1228 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1229 | select CPU_HAS_WB |
ed5ba2fb | 1230 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1231 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1232 | help |
1233 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1234 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1235 | *not* work on R4000 machines and vice versa. However, since most | |
1236 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1237 | might be a safe bet. If the resulting kernel does not work, | |
1238 | try to recompile with R3000. | |
1239 | ||
1240 | config CPU_TX39XX | |
1241 | bool "R39XX" | |
7cf8053b | 1242 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1243 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1244 | |
1245 | config CPU_VR41XX | |
1246 | bool "R41xx" | |
7cf8053b | 1247 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1248 | select CPU_SUPPORTS_32BIT_KERNEL |
1249 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1250 | help |
5e83d430 | 1251 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1252 | Only choose this option if you have one of these processors as a |
1253 | kernel built with this option will not run on any other type of | |
1254 | processor or vice versa. | |
1255 | ||
1256 | config CPU_R4300 | |
1257 | bool "R4300" | |
7cf8053b | 1258 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1259 | select CPU_SUPPORTS_32BIT_KERNEL |
1260 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1261 | help |
1262 | MIPS Technologies R4300-series processors. | |
1263 | ||
1264 | config CPU_R4X00 | |
1265 | bool "R4x00" | |
7cf8053b | 1266 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1267 | select CPU_SUPPORTS_32BIT_KERNEL |
1268 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1269 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1270 | help |
1271 | MIPS Technologies R4000-series processors other than 4300, including | |
1272 | the R4000, R4400, R4600, and 4700. | |
1273 | ||
1274 | config CPU_TX49XX | |
1275 | bool "R49XX" | |
7cf8053b | 1276 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1277 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1278 | select CPU_SUPPORTS_32BIT_KERNEL |
1279 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1280 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1281 | |
1282 | config CPU_R5000 | |
1283 | bool "R5000" | |
7cf8053b | 1284 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1285 | select CPU_SUPPORTS_32BIT_KERNEL |
1286 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1287 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1288 | help |
1289 | MIPS Technologies R5000-series processors other than the Nevada. | |
1290 | ||
1291 | config CPU_R5432 | |
1292 | bool "R5432" | |
7cf8053b | 1293 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1294 | select CPU_SUPPORTS_32BIT_KERNEL |
1295 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1296 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 | 1297 | |
542c1020 SK |
1298 | config CPU_R5500 |
1299 | bool "R5500" | |
1300 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1301 | select CPU_SUPPORTS_32BIT_KERNEL |
1302 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1303 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1304 | help |
1305 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1306 | instruction set. | |
1307 | ||
1da177e4 LT |
1308 | config CPU_R6000 |
1309 | bool "R6000" | |
7cf8053b | 1310 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1311 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1312 | help |
1313 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1314 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1315 | |
1316 | config CPU_NEVADA | |
1317 | bool "RM52xx" | |
7cf8053b | 1318 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1319 | select CPU_SUPPORTS_32BIT_KERNEL |
1320 | select CPU_SUPPORTS_64BIT_KERNEL | |
970d032f | 1321 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1322 | help |
1323 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1324 | ||
1325 | config CPU_R8000 | |
1326 | bool "R8000" | |
7cf8053b | 1327 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1328 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1329 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1330 | help |
1331 | MIPS Technologies R8000 processors. Note these processors are | |
1332 | uncommon and the support for them is incomplete. | |
1333 | ||
1334 | config CPU_R10000 | |
1335 | bool "R10000" | |
7cf8053b | 1336 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1337 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1338 | select CPU_SUPPORTS_32BIT_KERNEL |
1339 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1340 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1341 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1342 | help |
1343 | MIPS Technologies R10000-series processors. | |
1344 | ||
1345 | config CPU_RM7000 | |
1346 | bool "RM7000" | |
7cf8053b | 1347 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1348 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1349 | select CPU_SUPPORTS_32BIT_KERNEL |
1350 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1351 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1352 | select CPU_SUPPORTS_HUGEPAGES |
1da177e4 LT |
1353 | |
1354 | config CPU_SB1 | |
1355 | bool "SB1" | |
7cf8053b | 1356 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1357 | select CPU_SUPPORTS_32BIT_KERNEL |
1358 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1359 | select CPU_SUPPORTS_HIGHMEM |
970d032f | 1360 | select CPU_SUPPORTS_HUGEPAGES |
0004a9df | 1361 | select WEAK_ORDERING |
1da177e4 | 1362 | |
a86c7f72 DD |
1363 | config CPU_CAVIUM_OCTEON |
1364 | bool "Cavium Octeon processor" | |
5e683389 | 1365 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
7ee91de4 | 1366 | select ARCH_SPARSEMEM_ENABLE |
a86c7f72 DD |
1367 | select CPU_HAS_PREFETCH |
1368 | select CPU_SUPPORTS_64BIT_KERNEL | |
1369 | select SYS_SUPPORTS_SMP | |
1370 | select NR_CPUS_DEFAULT_16 | |
1371 | select WEAK_ORDERING | |
a86c7f72 | 1372 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1373 | select CPU_SUPPORTS_HUGEPAGES |
7ed18152 DD |
1374 | select LIBFDT |
1375 | select USE_OF | |
9296d94d | 1376 | select USB_EHCI_BIG_ENDIAN_MMIO |
a86c7f72 DD |
1377 | help |
1378 | The Cavium Octeon processor is a highly integrated chip containing | |
1379 | many ethernet hardware widgets for networking tasks. The processor | |
1380 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1381 | Full details can be found at http://www.caviumnetworks.com. | |
1382 | ||
c1c0c461 KC |
1383 | config CPU_BMIPS3300 |
1384 | bool "BMIPS3300" | |
1385 | depends on SYS_HAS_CPU_BMIPS3300 | |
1bbb6c1b | 1386 | select CPU_BMIPS |
c1c0c461 KC |
1387 | help |
1388 | Broadcom BMIPS3300 processors. | |
1389 | ||
1390 | config CPU_BMIPS4350 | |
1391 | bool "BMIPS4350" | |
1392 | depends on SYS_HAS_CPU_BMIPS4350 | |
1bbb6c1b | 1393 | select CPU_BMIPS |
c1c0c461 KC |
1394 | select SYS_SUPPORTS_SMP |
1395 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1396 | help |
1397 | Broadcom BMIPS4350 ("VIPER") processors. | |
1398 | ||
1399 | config CPU_BMIPS4380 | |
1400 | bool "BMIPS4380" | |
1401 | depends on SYS_HAS_CPU_BMIPS4380 | |
1bbb6c1b | 1402 | select CPU_BMIPS |
c1c0c461 KC |
1403 | select SYS_SUPPORTS_SMP |
1404 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1405 | help |
1406 | Broadcom BMIPS4380 processors. | |
1407 | ||
1408 | config CPU_BMIPS5000 | |
1409 | bool "BMIPS5000" | |
1410 | depends on SYS_HAS_CPU_BMIPS5000 | |
1bbb6c1b | 1411 | select CPU_BMIPS |
c1c0c461 | 1412 | select CPU_SUPPORTS_HIGHMEM |
1bbb6c1b | 1413 | select MIPS_CPU_SCACHE |
c1c0c461 KC |
1414 | select SYS_SUPPORTS_SMP |
1415 | select SYS_SUPPORTS_HOTPLUG_CPU | |
c1c0c461 KC |
1416 | help |
1417 | Broadcom BMIPS5000 processors. | |
1418 | ||
7f058e85 J |
1419 | config CPU_XLR |
1420 | bool "Netlogic XLR SoC" | |
1421 | depends on SYS_HAS_CPU_XLR | |
1422 | select CPU_SUPPORTS_32BIT_KERNEL | |
1423 | select CPU_SUPPORTS_64BIT_KERNEL | |
1424 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1425 | select CPU_SUPPORTS_HUGEPAGES |
7f058e85 J |
1426 | select WEAK_ORDERING |
1427 | select WEAK_REORDERING_BEYOND_LLSC | |
7f058e85 J |
1428 | help |
1429 | Netlogic Microsystems XLR/XLS processors. | |
1c773ea4 J |
1430 | |
1431 | config CPU_XLP | |
1432 | bool "Netlogic XLP SoC" | |
1433 | depends on SYS_HAS_CPU_XLP | |
1434 | select CPU_SUPPORTS_32BIT_KERNEL | |
1435 | select CPU_SUPPORTS_64BIT_KERNEL | |
1436 | select CPU_SUPPORTS_HIGHMEM | |
1c773ea4 J |
1437 | select WEAK_ORDERING |
1438 | select WEAK_REORDERING_BEYOND_LLSC | |
1439 | select CPU_HAS_PREFETCH | |
d6504846 | 1440 | select CPU_MIPSR2 |
1c773ea4 J |
1441 | help |
1442 | Netlogic Microsystems XLP processors. | |
1da177e4 LT |
1443 | endchoice |
1444 | ||
622844bf WZ |
1445 | if CPU_LOONGSON2F |
1446 | config CPU_NOP_WORKAROUNDS | |
1447 | bool | |
1448 | ||
1449 | config CPU_JUMP_WORKAROUNDS | |
1450 | bool | |
1451 | ||
1452 | config CPU_LOONGSON2F_WORKAROUNDS | |
1453 | bool "Loongson 2F Workarounds" | |
1454 | default y | |
1455 | select CPU_NOP_WORKAROUNDS | |
1456 | select CPU_JUMP_WORKAROUNDS | |
1457 | help | |
1458 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1459 | require workarounds. Without workarounds the system may hang | |
1460 | unexpectedly. For more information please refer to the gas | |
1461 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1462 | ||
1463 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1464 | are needed. The workarounds have no significant side effect on them | |
1465 | but may decrease the performance of the system so this option should | |
1466 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1467 | systems. | |
1468 | ||
1469 | If unsure, please say Y. | |
1470 | endif # CPU_LOONGSON2F | |
1471 | ||
1b93b3c3 WZ |
1472 | config SYS_SUPPORTS_ZBOOT |
1473 | bool | |
1474 | select HAVE_KERNEL_GZIP | |
1475 | select HAVE_KERNEL_BZIP2 | |
31c4867d | 1476 | select HAVE_KERNEL_LZ4 |
1b93b3c3 | 1477 | select HAVE_KERNEL_LZMA |
fe1d45e0 | 1478 | select HAVE_KERNEL_LZO |
4e23eb63 | 1479 | select HAVE_KERNEL_XZ |
1b93b3c3 WZ |
1480 | |
1481 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1482 | bool | |
1483 | select SYS_SUPPORTS_ZBOOT | |
1484 | ||
3702bba5 WZ |
1485 | config CPU_LOONGSON2 |
1486 | bool | |
1487 | select CPU_SUPPORTS_32BIT_KERNEL | |
1488 | select CPU_SUPPORTS_64BIT_KERNEL | |
1489 | select CPU_SUPPORTS_HIGHMEM | |
970d032f | 1490 | select CPU_SUPPORTS_HUGEPAGES |
3702bba5 | 1491 | |
ca585cf9 KC |
1492 | config CPU_LOONGSON1 |
1493 | bool | |
1494 | select CPU_MIPS32 | |
1495 | select CPU_MIPSR2 | |
1496 | select CPU_HAS_PREFETCH | |
1497 | select CPU_SUPPORTS_32BIT_KERNEL | |
1498 | select CPU_SUPPORTS_HIGHMEM | |
1499 | ||
1bbb6c1b KC |
1500 | config CPU_BMIPS |
1501 | bool | |
1502 | select CPU_MIPS32 | |
1503 | select CPU_SUPPORTS_32BIT_KERNEL | |
1504 | select DMA_NONCOHERENT | |
1505 | select IRQ_CPU | |
1506 | select SWAP_IO_SPACE | |
1507 | select WEAK_ORDERING | |
1508 | ||
3702bba5 | 1509 | config SYS_HAS_CPU_LOONGSON2E |
2a21c730 FZ |
1510 | bool |
1511 | ||
6f7a251a WZ |
1512 | config SYS_HAS_CPU_LOONGSON2F |
1513 | bool | |
55045ff5 WZ |
1514 | select CPU_SUPPORTS_CPUFREQ |
1515 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1516 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1517 | |
ca585cf9 KC |
1518 | config SYS_HAS_CPU_LOONGSON1B |
1519 | bool | |
1520 | ||
7cf8053b RB |
1521 | config SYS_HAS_CPU_MIPS32_R1 |
1522 | bool | |
1523 | ||
1524 | config SYS_HAS_CPU_MIPS32_R2 | |
1525 | bool | |
1526 | ||
1527 | config SYS_HAS_CPU_MIPS64_R1 | |
1528 | bool | |
1529 | ||
1530 | config SYS_HAS_CPU_MIPS64_R2 | |
1531 | bool | |
1532 | ||
1533 | config SYS_HAS_CPU_R3000 | |
1534 | bool | |
1535 | ||
1536 | config SYS_HAS_CPU_TX39XX | |
1537 | bool | |
1538 | ||
1539 | config SYS_HAS_CPU_VR41XX | |
1540 | bool | |
1541 | ||
1542 | config SYS_HAS_CPU_R4300 | |
1543 | bool | |
1544 | ||
1545 | config SYS_HAS_CPU_R4X00 | |
1546 | bool | |
1547 | ||
1548 | config SYS_HAS_CPU_TX49XX | |
1549 | bool | |
1550 | ||
1551 | config SYS_HAS_CPU_R5000 | |
1552 | bool | |
1553 | ||
1554 | config SYS_HAS_CPU_R5432 | |
1555 | bool | |
1556 | ||
542c1020 SK |
1557 | config SYS_HAS_CPU_R5500 |
1558 | bool | |
1559 | ||
7cf8053b RB |
1560 | config SYS_HAS_CPU_R6000 |
1561 | bool | |
1562 | ||
1563 | config SYS_HAS_CPU_NEVADA | |
1564 | bool | |
1565 | ||
1566 | config SYS_HAS_CPU_R8000 | |
1567 | bool | |
1568 | ||
1569 | config SYS_HAS_CPU_R10000 | |
1570 | bool | |
1571 | ||
1572 | config SYS_HAS_CPU_RM7000 | |
1573 | bool | |
1574 | ||
7cf8053b RB |
1575 | config SYS_HAS_CPU_SB1 |
1576 | bool | |
1577 | ||
5e683389 DD |
1578 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1579 | bool | |
1580 | ||
c1c0c461 KC |
1581 | config SYS_HAS_CPU_BMIPS3300 |
1582 | bool | |
1583 | ||
1584 | config SYS_HAS_CPU_BMIPS4350 | |
1585 | bool | |
1586 | ||
1587 | config SYS_HAS_CPU_BMIPS4380 | |
1588 | bool | |
1589 | ||
1590 | config SYS_HAS_CPU_BMIPS5000 | |
1591 | bool | |
1592 | ||
7f058e85 J |
1593 | config SYS_HAS_CPU_XLR |
1594 | bool | |
1595 | ||
1c773ea4 J |
1596 | config SYS_HAS_CPU_XLP |
1597 | bool | |
1598 | ||
17099b11 RB |
1599 | # |
1600 | # CPU may reorder R->R, R->W, W->R, W->W | |
1601 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1602 | # | |
0004a9df RB |
1603 | config WEAK_ORDERING |
1604 | bool | |
17099b11 RB |
1605 | |
1606 | # | |
1607 | # CPU may reorder reads and writes beyond LL/SC | |
1608 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1609 | # | |
1610 | config WEAK_REORDERING_BEYOND_LLSC | |
1611 | bool | |
5e83d430 RB |
1612 | endmenu |
1613 | ||
1614 | # | |
c09b47d8 | 1615 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1616 | # |
1617 | config CPU_MIPS32 | |
1618 | bool | |
1619 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1620 | ||
1621 | config CPU_MIPS64 | |
1622 | bool | |
1623 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1624 | ||
1625 | # | |
c09b47d8 | 1626 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1627 | # |
1628 | config CPU_MIPSR1 | |
1629 | bool | |
1630 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1631 | ||
1632 | config CPU_MIPSR2 | |
1633 | bool | |
a86c7f72 | 1634 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1635 | |
1636 | config SYS_SUPPORTS_32BIT_KERNEL | |
1637 | bool | |
1638 | config SYS_SUPPORTS_64BIT_KERNEL | |
1639 | bool | |
1640 | config CPU_SUPPORTS_32BIT_KERNEL | |
1641 | bool | |
1642 | config CPU_SUPPORTS_64BIT_KERNEL | |
1643 | bool | |
55045ff5 WZ |
1644 | config CPU_SUPPORTS_CPUFREQ |
1645 | bool | |
1646 | config CPU_SUPPORTS_ADDRWINCFG | |
1647 | bool | |
9cffd154 DD |
1648 | config CPU_SUPPORTS_HUGEPAGES |
1649 | bool | |
22f1fdfd WZ |
1650 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1651 | bool | |
82622284 DD |
1652 | config MIPS_PGD_C0_CONTEXT |
1653 | bool | |
d6504846 | 1654 | default y if 64BIT && CPU_MIPSR2 && !CPU_XLP |
5e83d430 | 1655 | |
8192c9ea DD |
1656 | # |
1657 | # Set to y for ptrace access to watch registers. | |
1658 | # | |
1659 | config HARDWARE_WATCHPOINTS | |
1660 | bool | |
f839490a | 1661 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1662 | |
5e83d430 RB |
1663 | menu "Kernel type" |
1664 | ||
1665 | choice | |
5e83d430 RB |
1666 | prompt "Kernel code model" |
1667 | help | |
1668 | You should only select this option if you have a workload that | |
1669 | actually benefits from 64-bit processing or if your machine has | |
1670 | large memory. You will only be presented a single option in this | |
1671 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1672 | ||
1673 | config 32BIT | |
1674 | bool "32-bit kernel" | |
1675 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1676 | select TRAD_SIGNALS | |
1677 | help | |
1678 | Select this option if you want to build a 32-bit kernel. | |
1679 | config 64BIT | |
1680 | bool "64-bit kernel" | |
1681 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
1682 | help | |
1683 | Select this option if you want to build a 64-bit kernel. | |
1684 | ||
1685 | endchoice | |
1686 | ||
2235a54d SL |
1687 | config KVM_GUEST |
1688 | bool "KVM Guest Kernel" | |
f2a5b1d7 | 1689 | depends on BROKEN_ON_SMP |
2235a54d SL |
1690 | help |
1691 | Select this option if building a guest kernel for KVM (Trap & Emulate) mode | |
1692 | ||
1693 | config KVM_HOST_FREQ | |
1694 | int "KVM Host Processor Frequency (MHz)" | |
1695 | depends on KVM_GUEST | |
1696 | default 500 | |
1697 | help | |
1698 | Select this option if building a guest kernel for KVM to skip | |
1699 | RTC emulation when determining guest CPU Frequency. Instead, the guest | |
1700 | processor frequency is automatically derived from the host frequency. | |
1701 | ||
1da177e4 LT |
1702 | choice |
1703 | prompt "Kernel page size" | |
1704 | default PAGE_SIZE_4KB | |
1705 | ||
1706 | config PAGE_SIZE_4KB | |
1707 | bool "4kB" | |
315fe625 | 1708 | depends on !CPU_LOONGSON2 |
1da177e4 LT |
1709 | help |
1710 | This option select the standard 4kB Linux page size. On some | |
1711 | R3000-family processors this is the only available page size. Using | |
1712 | 4kB page size will minimize memory consumption and is therefore | |
1713 | recommended for low memory systems. | |
1714 | ||
1715 | config PAGE_SIZE_8KB | |
1716 | bool "8kB" | |
7d60717e | 1717 | depends on CPU_R8000 || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1718 | help |
1719 | Using 8kB page size will result in higher performance kernel at | |
1720 | the price of higher memory consumption. This option is available | |
c52399be RB |
1721 | only on R8000 and cnMIPS processors. Note that you will need a |
1722 | suitable Linux distribution to support this. | |
1da177e4 LT |
1723 | |
1724 | config PAGE_SIZE_16KB | |
1725 | bool "16kB" | |
714bfad6 | 1726 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1727 | help |
1728 | Using 16kB page size will result in higher performance kernel at | |
1729 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1730 | all non-R3000 family processors. Note that you will need a suitable |
1731 | Linux distribution to support this. | |
1da177e4 | 1732 | |
c52399be RB |
1733 | config PAGE_SIZE_32KB |
1734 | bool "32kB" | |
1735 | depends on CPU_CAVIUM_OCTEON | |
1736 | help | |
1737 | Using 32kB page size will result in higher performance kernel at | |
1738 | the price of higher memory consumption. This option is available | |
1739 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1740 | distribution to support this. | |
1741 | ||
1da177e4 LT |
1742 | config PAGE_SIZE_64KB |
1743 | bool "64kB" | |
7d60717e | 1744 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1745 | help |
1746 | Using 64kB page size will result in higher performance kernel at | |
1747 | the price of higher memory consumption. This option is available on | |
1748 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1749 | writing this option is still high experimental. |
1da177e4 LT |
1750 | |
1751 | endchoice | |
1752 | ||
c9bace7c DD |
1753 | config FORCE_MAX_ZONEORDER |
1754 | int "Maximum zone order" | |
85f993b8 DD |
1755 | range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB |
1756 | default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB | |
1757 | range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1758 | default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB | |
1759 | range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB | |
1760 | default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB | |
c9bace7c DD |
1761 | range 11 64 |
1762 | default "11" | |
1763 | help | |
1764 | The kernel memory allocator divides physically contiguous memory | |
1765 | blocks into "zones", where each zone is a power of two number of | |
1766 | pages. This option selects the largest power of two that the kernel | |
1767 | keeps in the memory allocator. If you need to allocate very large | |
1768 | blocks of physically contiguous memory, then you may need to | |
1769 | increase this value. | |
1770 | ||
1771 | This config option is actually maximum order plus one. For example, | |
1772 | a value of 11 means that the largest free memory block is 2^10 pages. | |
1773 | ||
1774 | The page size is not necessarily 4KB. Keep this in mind | |
1775 | when choosing a value for this option. | |
1776 | ||
0ab2b7d0 RG |
1777 | config CEVT_GIC |
1778 | bool "Use GIC global counter for clock events" | |
1779 | depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC) | |
1780 | help | |
1781 | Use the GIC global counter for the clock events. The R4K clock | |
1782 | event driver is always present, so if the platform ends up not | |
1783 | detecting a GIC, it will fall back to the R4K timer for the | |
1784 | generation of clock events. | |
1785 | ||
1da177e4 LT |
1786 | config BOARD_SCACHE |
1787 | bool | |
1788 | ||
1789 | config IP22_CPU_SCACHE | |
1790 | bool | |
1791 | select BOARD_SCACHE | |
1792 | ||
9318c51a CD |
1793 | # |
1794 | # Support for a MIPS32 / MIPS64 style S-caches | |
1795 | # | |
1796 | config MIPS_CPU_SCACHE | |
1797 | bool | |
1798 | select BOARD_SCACHE | |
1799 | ||
1da177e4 LT |
1800 | config R5000_CPU_SCACHE |
1801 | bool | |
1802 | select BOARD_SCACHE | |
1803 | ||
1804 | config RM7000_CPU_SCACHE | |
1805 | bool | |
1806 | select BOARD_SCACHE | |
1807 | ||
1808 | config SIBYTE_DMA_PAGEOPS | |
1809 | bool "Use DMA to clear/copy pages" | |
1810 | depends on CPU_SB1 | |
1811 | help | |
1812 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1813 | channel. These DMA channels are otherwise unused by the standard | |
1814 | SiByte Linux port. Seems to give a small performance benefit. | |
1815 | ||
1816 | config CPU_HAS_PREFETCH | |
c8094b53 | 1817 | bool |
1da177e4 | 1818 | |
3165c846 FF |
1819 | config CPU_GENERIC_DUMP_TLB |
1820 | bool | |
1821 | default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) | |
1822 | ||
91405eb6 FF |
1823 | config CPU_R4K_FPU |
1824 | bool | |
1825 | default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1826 | ||
62cedc4f FF |
1827 | config CPU_R4K_CACHE_TLB |
1828 | bool | |
1829 | default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) | |
1830 | ||
340ee4b9 RB |
1831 | choice |
1832 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1833 | |
1834 | config MIPS_MT_DISABLED | |
1835 | bool "Disable multithreading support." | |
1836 | help | |
1837 | Use this option if your workload can't take advantage of | |
1838 | MIPS hardware multithreading support. On systems that don't have | |
1839 | the option of an MT-enabled processor this option will be the only | |
1840 | option in this menu. | |
340ee4b9 | 1841 | |
59d6ab86 RB |
1842 | config MIPS_MT_SMP |
1843 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1844 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1845 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1846 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1847 | select MIPS_MT |
41c594ab | 1848 | select SMP |
0ab7aefc | 1849 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1850 | select SYS_SUPPORTS_SMP |
87353d8a | 1851 | select SMP_UP |
399aaa25 | 1852 | select MIPS_PERF_SHARED_TC_COUNTERS |
f41ae0b2 | 1853 | help |
25f12b33 RB |
1854 | This is a kernel model which is known a VSMP but lately has been |
1855 | marketesed into SMVP. | |
1856 | Virtual SMP uses the processor's VPEs to implement virtual | |
1857 | processors. In currently available configuration of the 34K processor | |
1858 | this allows for a dual processor. Both processors will share the same | |
1859 | primary caches; each will obtain the half of the TLB for it's own | |
1860 | exclusive use. For a layman this model can be described as similar to | |
1861 | what Intel calls Hyperthreading. | |
1862 | ||
1863 | For further information see http://www.linux-mips.org/wiki/34K#VSMP | |
41c594ab | 1864 | |
59d6ab86 RB |
1865 | config MIPS_MT_SMTC |
1866 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1867 | depends on CPU_MIPS32_R2 | |
1868 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1869 | depends on SYS_SUPPORTS_MULTITHREADING |
1870 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1871 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1872 | select MIPS_MT |
130e2fb7 | 1873 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1874 | select SMP |
73b76c78 | 1875 | select SYS_SUPPORTS_SMP |
87353d8a | 1876 | select SMP_UP |
f41ae0b2 | 1877 | help |
59d6ab86 RB |
1878 | This is a kernel model which is known a SMTC or lately has been |
1879 | marketesed into SMVP. | |
25f12b33 RB |
1880 | is presenting the available TC's of the core as processors to Linux. |
1881 | On currently available 34K processors this means a Linux system will | |
1882 | see up to 5 processors. The implementation of the SMTC kernel differs | |
1883 | significantly from VSMP and cannot efficiently coexist in the same | |
1884 | kernel binary so the choice between VSMP and SMTC is a compile time | |
1885 | decision. | |
1886 | ||
1887 | For further information see http://www.linux-mips.org/wiki/34K#SMTC | |
340ee4b9 | 1888 | |
340ee4b9 RB |
1889 | endchoice |
1890 | ||
f41ae0b2 RB |
1891 | config MIPS_MT |
1892 | bool | |
1893 | ||
0ab7aefc RB |
1894 | config SCHED_SMT |
1895 | bool "SMT (multithreading) scheduler support" | |
1896 | depends on SYS_SUPPORTS_SCHED_SMT | |
1897 | default n | |
1898 | help | |
1899 | SMT scheduler support improves the CPU scheduler's decision making | |
1900 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1901 | increased overhead in some places. If unsure say N here. | |
1902 | ||
1903 | config SYS_SUPPORTS_SCHED_SMT | |
1904 | bool | |
1905 | ||
f41ae0b2 RB |
1906 | config SYS_SUPPORTS_MULTITHREADING |
1907 | bool | |
1908 | ||
f088fc84 RB |
1909 | config MIPS_MT_FPAFF |
1910 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1911 | default y |
07cc0c9e RB |
1912 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1913 | ||
1914 | config MIPS_VPE_LOADER | |
1915 | bool "VPE loader support." | |
704e6460 | 1916 | depends on SYS_SUPPORTS_MULTITHREADING && MODULES |
07cc0c9e RB |
1917 | select CPU_MIPSR2_IRQ_VI |
1918 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1919 | select MIPS_MT |
1920 | help | |
1921 | Includes a loader for loading an elf relocatable object | |
1922 | onto another VPE and running it. | |
f088fc84 | 1923 | |
0db34215 KK |
1924 | config MIPS_MT_SMTC_IM_BACKSTOP |
1925 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1926 | depends on MIPS_MT_SMTC | |
8531a35e | 1927 | default n |
0db34215 KK |
1928 | help |
1929 | To support multiple TC microthreads acting as "CPUs" within | |
1930 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1931 | during interrupt handling. To support legacy drivers and interrupt | |
1932 | controller management code, SMTC has a "backstop" to track and | |
1933 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1934 | impact on interrupt service overhead. |
0db34215 | 1935 | |
f571eff0 KK |
1936 | config MIPS_MT_SMTC_IRQAFF |
1937 | bool "Support IRQ affinity API" | |
1938 | depends on MIPS_MT_SMTC | |
1939 | default n | |
1940 | help | |
1941 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1942 | for SMTC Linux kernel. Requires platform support, of which | |
1943 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1944 | platform code. Adds some overhead to interrupt dispatch, and |
1945 | should be used only if you know what you are doing. | |
f571eff0 | 1946 | |
e01402b1 RB |
1947 | config MIPS_VPE_LOADER_TOM |
1948 | bool "Load VPE program into memory hidden from linux" | |
1949 | depends on MIPS_VPE_LOADER | |
1950 | default y | |
1951 | help | |
1952 | The loader can use memory that is present but has been hidden from | |
1953 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1954 | you to ensure the amount you put in the option and the space your | |
1955 | program requires is less or equal to the amount physically present. | |
1956 | ||
1957 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1958 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1959 | bool "Enable support for AP/SP API (RTLX)" |
1960 | depends on MIPS_VPE_LOADER | |
1961 | help | |
e01402b1 | 1962 | |
4a16ff4c RB |
1963 | config MIPS_CMP |
1964 | bool "MIPS CMP framework support" | |
1965 | depends on SYS_SUPPORTS_MIPS_CMP | |
85f32dbd | 1966 | select SMP |
eb9b5141 | 1967 | select SYNC_R4K |
4a16ff4c RB |
1968 | select SYS_SUPPORTS_SMP |
1969 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1970 | select WEAK_ORDERING | |
1971 | default n | |
1972 | help | |
1973 | This is a placeholder option for the GCMP work. It will need to | |
1974 | be handled differently... | |
1975 | ||
1da177e4 LT |
1976 | config SB1_PASS_1_WORKAROUNDS |
1977 | bool | |
1978 | depends on CPU_SB1_PASS_1 | |
1979 | default y | |
1980 | ||
1981 | config SB1_PASS_2_WORKAROUNDS | |
1982 | bool | |
1983 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1984 | default y | |
1985 | ||
1986 | config SB1_PASS_2_1_WORKAROUNDS | |
1987 | bool | |
1988 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1989 | default y | |
1990 | ||
2235a54d | 1991 | |
1da177e4 | 1992 | config 64BIT_PHYS_ADDR |
d806cb2b | 1993 | bool |
1da177e4 | 1994 | |
60ec6571 | 1995 | config ARCH_PHYS_ADDR_T_64BIT |
1996 | def_bool 64BIT_PHYS_ADDR | |
1997 | ||
9693a853 FBH |
1998 | config CPU_HAS_SMARTMIPS |
1999 | depends on SYS_SUPPORTS_SMARTMIPS | |
2000 | bool "Support for the SmartMIPS ASE" | |
2001 | help | |
2002 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
2003 | increased security at both hardware and software level for | |
2004 | smartcards. Enabling this option will allow proper use of the | |
2005 | SmartMIPS instructions by Linux applications. However a kernel with | |
2006 | this option will not work on a MIPS core without SmartMIPS core. If | |
2007 | you don't know you probably don't have SmartMIPS and should say N | |
2008 | here. | |
2009 | ||
bce86083 SH |
2010 | config CPU_MICROMIPS |
2011 | depends on SYS_SUPPORTS_MICROMIPS | |
2012 | bool "Build kernel using microMIPS ISA" | |
2013 | help | |
2014 | When this option is enabled the kernel will be built using the | |
2015 | microMIPS ISA | |
2016 | ||
1da177e4 | 2017 | config CPU_HAS_WB |
f7062ddb | 2018 | bool |
e01402b1 | 2019 | |
df0ac8a4 KC |
2020 | config XKS01 |
2021 | bool | |
2022 | ||
f41ae0b2 RB |
2023 | # |
2024 | # Vectored interrupt mode is an R2 feature | |
2025 | # | |
e01402b1 | 2026 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 2027 | bool |
e01402b1 | 2028 | |
f41ae0b2 RB |
2029 | # |
2030 | # Extended interrupt mode is an R2 feature | |
2031 | # | |
e01402b1 | 2032 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 2033 | bool |
e01402b1 | 2034 | |
1da177e4 LT |
2035 | config CPU_HAS_SYNC |
2036 | bool | |
2037 | depends on !CPU_R3000 | |
2038 | default y | |
2039 | ||
20d60d99 MR |
2040 | # |
2041 | # CPU non-features | |
2042 | # | |
2043 | config CPU_DADDI_WORKAROUNDS | |
2044 | bool | |
2045 | ||
2046 | config CPU_R4000_WORKAROUNDS | |
2047 | bool | |
2048 | select CPU_R4400_WORKAROUNDS | |
2049 | ||
2050 | config CPU_R4400_WORKAROUNDS | |
2051 | bool | |
2052 | ||
1da177e4 LT |
2053 | # |
2054 | # - Highmem only makes sense for the 32-bit kernel. | |
2055 | # - The current highmem code will only work properly on physically indexed | |
2056 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
2057 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
2058 | # moment we protect the user and offer the highmem option only on machines | |
2059 | # where it's known to be safe. This will not offer highmem on a few systems | |
2060 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
2061 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
2062 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
2063 | # know they might have memory configurations that could make use of highmem | |
2064 | # support. | |
1da177e4 LT |
2065 | # |
2066 | config HIGHMEM | |
2067 | bool "High Memory Support" | |
797798c1 RB |
2068 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
2069 | ||
2070 | config CPU_SUPPORTS_HIGHMEM | |
2071 | bool | |
2072 | ||
2073 | config SYS_SUPPORTS_HIGHMEM | |
2074 | bool | |
1da177e4 | 2075 | |
9693a853 FBH |
2076 | config SYS_SUPPORTS_SMARTMIPS |
2077 | bool | |
2078 | ||
a6a4834c SH |
2079 | config SYS_SUPPORTS_MICROMIPS |
2080 | bool | |
2081 | ||
b4819b59 YY |
2082 | config ARCH_FLATMEM_ENABLE |
2083 | def_bool y | |
f133f22d | 2084 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 2085 | |
d8cb4e11 RB |
2086 | config ARCH_DISCONTIGMEM_ENABLE |
2087 | bool | |
2088 | default y if SGI_IP27 | |
2089 | help | |
3dde6ad8 | 2090 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
2091 | for architectures which are either NUMA (Non-Uniform Memory Access) |
2092 | or have huge holes in the physical address space for other reasons. | |
2093 | See <file:Documentation/vm/numa> for more. | |
2094 | ||
31473747 AN |
2095 | config ARCH_SPARSEMEM_ENABLE |
2096 | bool | |
7de58fab | 2097 | select SPARSEMEM_STATIC |
31473747 | 2098 | |
d8cb4e11 RB |
2099 | config NUMA |
2100 | bool "NUMA Support" | |
2101 | depends on SYS_SUPPORTS_NUMA | |
2102 | help | |
2103 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
2104 | Access). This option improves performance on systems with more | |
2105 | than two nodes; on two node systems it is generally better to | |
2106 | leave it disabled; on single node systems disable this option | |
2107 | disabled. | |
2108 | ||
2109 | config SYS_SUPPORTS_NUMA | |
2110 | bool | |
2111 | ||
c80d79d7 YG |
2112 | config NODES_SHIFT |
2113 | int | |
2114 | default "6" | |
2115 | depends on NEED_MULTIPLE_NODES | |
2116 | ||
14f70012 DCZ |
2117 | config HW_PERF_EVENTS |
2118 | bool "Enable hardware performance counter support for perf events" | |
4be3d2f3 | 2119 | depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP) |
14f70012 DCZ |
2120 | default y |
2121 | help | |
2122 | Enable hardware performance counter support for perf events. If | |
2123 | disabled, perf events will use software events only. | |
2124 | ||
b4819b59 YY |
2125 | source "mm/Kconfig" |
2126 | ||
1da177e4 LT |
2127 | config SMP |
2128 | bool "Multi-Processing support" | |
e73ea273 RB |
2129 | depends on SYS_SUPPORTS_SMP |
2130 | help | |
1da177e4 LT |
2131 | This enables support for systems with more than one CPU. If you have |
2132 | a system with only one CPU, like most personal computers, say N. If | |
2133 | you have a system with more than one CPU, say Y. | |
2134 | ||
2135 | If you say N here, the kernel will run on single and multiprocessor | |
2136 | machines, but will use only one CPU of a multiprocessor machine. If | |
2137 | you say Y here, the kernel will run on many, but not all, | |
2138 | singleprocessor machines. On a singleprocessor machine, the kernel | |
2139 | will run faster if you say N here. | |
2140 | ||
2141 | People using multiprocessor machines who say Y here should also say | |
2142 | Y to "Enhanced Real Time Clock Support", below. | |
2143 | ||
03502faa AB |
2144 | See also the SMP-HOWTO available at |
2145 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2146 | |
2147 | If you don't know what to do here, say N. | |
2148 | ||
87353d8a RB |
2149 | config SMP_UP |
2150 | bool | |
2151 | ||
4a16ff4c RB |
2152 | config SYS_SUPPORTS_MIPS_CMP |
2153 | bool | |
2154 | ||
e73ea273 RB |
2155 | config SYS_SUPPORTS_SMP |
2156 | bool | |
2157 | ||
130e2fb7 RB |
2158 | config NR_CPUS_DEFAULT_4 |
2159 | bool | |
2160 | ||
2161 | config NR_CPUS_DEFAULT_8 | |
2162 | bool | |
2163 | ||
2164 | config NR_CPUS_DEFAULT_16 | |
2165 | bool | |
2166 | ||
2167 | config NR_CPUS_DEFAULT_32 | |
2168 | bool | |
2169 | ||
2170 | config NR_CPUS_DEFAULT_64 | |
2171 | bool | |
2172 | ||
1da177e4 LT |
2173 | config NR_CPUS |
2174 | int "Maximum number of CPUs (2-64)" | |
c5eaff3e | 2175 | range 2 64 |
1da177e4 | 2176 | depends on SMP |
130e2fb7 RB |
2177 | default "4" if NR_CPUS_DEFAULT_4 |
2178 | default "8" if NR_CPUS_DEFAULT_8 | |
2179 | default "16" if NR_CPUS_DEFAULT_16 | |
2180 | default "32" if NR_CPUS_DEFAULT_32 | |
2181 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2182 | help |
2183 | This allows you to specify the maximum number of CPUs which this | |
2184 | kernel will support. The maximum supported value is 32 for 32-bit | |
2185 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2186 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2187 | and 2 for all others. | |
1da177e4 LT |
2188 | |
2189 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2190 | approximately eight kilobytes to the kernel image. For best |
2191 | performance should round up your number of processors to the next | |
2192 | power of two. | |
1da177e4 | 2193 | |
399aaa25 AC |
2194 | config MIPS_PERF_SHARED_TC_COUNTERS |
2195 | bool | |
2196 | ||
1723b4a3 AN |
2197 | # |
2198 | # Timer Interrupt Frequency Configuration | |
2199 | # | |
2200 | ||
2201 | choice | |
2202 | prompt "Timer frequency" | |
2203 | default HZ_250 | |
2204 | help | |
2205 | Allows the configuration of the timer frequency. | |
2206 | ||
2207 | config HZ_48 | |
0f873585 | 2208 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2209 | |
2210 | config HZ_100 | |
2211 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2212 | ||
2213 | config HZ_128 | |
2214 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2215 | ||
2216 | config HZ_250 | |
2217 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2218 | ||
2219 | config HZ_256 | |
2220 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2221 | ||
2222 | config HZ_1000 | |
2223 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2224 | ||
2225 | config HZ_1024 | |
2226 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2227 | ||
2228 | endchoice | |
2229 | ||
2230 | config SYS_SUPPORTS_48HZ | |
2231 | bool | |
2232 | ||
2233 | config SYS_SUPPORTS_100HZ | |
2234 | bool | |
2235 | ||
2236 | config SYS_SUPPORTS_128HZ | |
2237 | bool | |
2238 | ||
2239 | config SYS_SUPPORTS_250HZ | |
2240 | bool | |
2241 | ||
2242 | config SYS_SUPPORTS_256HZ | |
2243 | bool | |
2244 | ||
2245 | config SYS_SUPPORTS_1000HZ | |
2246 | bool | |
2247 | ||
2248 | config SYS_SUPPORTS_1024HZ | |
2249 | bool | |
2250 | ||
2251 | config SYS_SUPPORTS_ARBIT_HZ | |
2252 | bool | |
2253 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2254 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2255 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2256 | !SYS_SUPPORTS_1024HZ | |
2257 | ||
2258 | config HZ | |
2259 | int | |
2260 | default 48 if HZ_48 | |
2261 | default 100 if HZ_100 | |
2262 | default 128 if HZ_128 | |
2263 | default 250 if HZ_250 | |
2264 | default 256 if HZ_256 | |
2265 | default 1000 if HZ_1000 | |
2266 | default 1024 if HZ_1024 | |
2267 | ||
e80de850 | 2268 | source "kernel/Kconfig.preempt" |
1da177e4 | 2269 | |
ea6e942b | 2270 | config KEXEC |
7d60717e | 2271 | bool "Kexec system call" |
ea6e942b AN |
2272 | help |
2273 | kexec is a system call that implements the ability to shutdown your | |
2274 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2275 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2276 | you can start any kernel with it, not just Linux. |
2277 | ||
01dd2fbf | 2278 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2279 | |
2280 | It is an ongoing process to be certain the hardware in a machine | |
2281 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
2282 | initially work for you. As of this writing the exact hardware |
2283 | interface is strongly in flux, so no good recommendation can be | |
2284 | made. | |
ea6e942b | 2285 | |
7aa1c8f4 RB |
2286 | config CRASH_DUMP |
2287 | bool "Kernel crash dumps" | |
2288 | help | |
2289 | Generate crash dump after being started by kexec. | |
2290 | This should be normally only set in special crash dump kernels | |
2291 | which are loaded in the main kernel with kexec-tools into | |
2292 | a specially reserved region and then later executed after | |
2293 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
2294 | to a memory address not used by the main kernel or firmware using | |
2295 | PHYSICAL_START. | |
2296 | ||
2297 | config PHYSICAL_START | |
2298 | hex "Physical address where the kernel is loaded" | |
2299 | default "0xffffffff84000000" if 64BIT | |
2300 | default "0x84000000" if 32BIT | |
2301 | depends on CRASH_DUMP | |
2302 | help | |
2303 | This gives the CKSEG0 or KSEG0 address where the kernel is loaded. | |
2304 | If you plan to use kernel for capturing the crash dump change | |
2305 | this value to start of the reserved region (the "X" value as | |
2306 | specified in the "crashkernel=YM@XM" command line boot parameter | |
2307 | passed to the panic-ed kernel). | |
2308 | ||
ea6e942b AN |
2309 | config SECCOMP |
2310 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2311 | depends on PROC_FS |
ea6e942b AN |
2312 | default y |
2313 | help | |
2314 | This kernel feature is useful for number crunching applications | |
2315 | that may need to compute untrusted bytecode during their | |
2316 | execution. By using pipes or other transports made available to | |
2317 | the process as file descriptors supporting the read/write | |
2318 | syscalls, it's possible to isolate those applications in | |
2319 | their own address space using seccomp. Once seccomp is | |
2320 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2321 | and the task is only allowed to execute a few safe syscalls | |
2322 | defined by each seccomp mode. | |
2323 | ||
2324 | If unsure, say Y. Only embedded should say N here. | |
2325 | ||
f2ffa5ab | 2326 | config USE_OF |
0b3e06fd | 2327 | bool |
f2ffa5ab | 2328 | select OF |
e6ce1324 | 2329 | select OF_EARLY_FLATTREE |
abd2363f | 2330 | select IRQ_DOMAIN |
f2ffa5ab | 2331 | |
5e83d430 RB |
2332 | endmenu |
2333 | ||
1df0f0ff AN |
2334 | config LOCKDEP_SUPPORT |
2335 | bool | |
2336 | default y | |
2337 | ||
2338 | config STACKTRACE_SUPPORT | |
2339 | bool | |
2340 | default y | |
2341 | ||
b6c3539b RB |
2342 | source "init/Kconfig" |
2343 | ||
dc52ddc0 MH |
2344 | source "kernel/Kconfig.freezer" |
2345 | ||
1da177e4 LT |
2346 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2347 | ||
5e83d430 RB |
2348 | config HW_HAS_EISA |
2349 | bool | |
1da177e4 LT |
2350 | config HW_HAS_PCI |
2351 | bool | |
2352 | ||
2353 | config PCI | |
2354 | bool "Support for PCI controller" | |
2355 | depends on HW_HAS_PCI | |
abb4ae46 | 2356 | select PCI_DOMAINS |
0f3b3956 | 2357 | select NO_GENERIC_PCI_IOPORT_MAP |
1da177e4 LT |
2358 | help |
2359 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2360 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2361 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2362 | say Y, otherwise N. | |
2363 | ||
1da177e4 LT |
2364 | config PCI_DOMAINS |
2365 | bool | |
1da177e4 LT |
2366 | |
2367 | source "drivers/pci/Kconfig" | |
2368 | ||
3f787ca4 JG |
2369 | source "drivers/pci/pcie/Kconfig" |
2370 | ||
1da177e4 LT |
2371 | # |
2372 | # ISA support is now enabled via select. Too many systems still have the one | |
2373 | # or other ISA chip on the board that users don't know about so don't expect | |
2374 | # users to choose the right thing ... | |
2375 | # | |
2376 | config ISA | |
2377 | bool | |
2378 | ||
2379 | config EISA | |
2380 | bool "EISA support" | |
5e83d430 | 2381 | depends on HW_HAS_EISA |
1da177e4 | 2382 | select ISA |
aa414dff | 2383 | select GENERIC_ISA_DMA |
1da177e4 LT |
2384 | ---help--- |
2385 | The Extended Industry Standard Architecture (EISA) bus was | |
2386 | developed as an open alternative to the IBM MicroChannel bus. | |
2387 | ||
2388 | The EISA bus provided some of the features of the IBM MicroChannel | |
2389 | bus while maintaining backward compatibility with cards made for | |
2390 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2391 | 1995 when it was made obsolete by the PCI bus. | |
2392 | ||
2393 | Say Y here if you are building a kernel for an EISA-based machine. | |
2394 | ||
2395 | Otherwise, say N. | |
2396 | ||
2397 | source "drivers/eisa/Kconfig" | |
2398 | ||
2399 | config TC | |
2400 | bool "TURBOchannel support" | |
2401 | depends on MACH_DECSTATION | |
2402 | help | |
50a23e6e JM |
2403 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2404 | processors. TURBOchannel programming specifications are available | |
2405 | at: | |
2406 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2407 | and: | |
2408 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2409 | Linux driver support status is documented at: | |
2410 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 | 2411 | |
1da177e4 LT |
2412 | config MMU |
2413 | bool | |
2414 | default y | |
2415 | ||
d865bea4 RB |
2416 | config I8253 |
2417 | bool | |
798778b8 | 2418 | select CLKSRC_I8253 |
2d02612f | 2419 | select CLKEVT_I8253 |
9726b43a | 2420 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2421 | |
e05eb3f8 RB |
2422 | config ZONE_DMA |
2423 | bool | |
2424 | ||
cce335ae RB |
2425 | config ZONE_DMA32 |
2426 | bool | |
2427 | ||
1da177e4 LT |
2428 | source "drivers/pcmcia/Kconfig" |
2429 | ||
2430 | source "drivers/pci/hotplug/Kconfig" | |
2431 | ||
388b78ad AB |
2432 | config RAPIDIO |
2433 | bool "RapidIO support" | |
2434 | depends on PCI | |
2435 | default n | |
2436 | help | |
2437 | If you say Y here, the kernel will include drivers and | |
2438 | infrastructure code to support RapidIO interconnect devices. | |
2439 | ||
2440 | source "drivers/rapidio/Kconfig" | |
2441 | ||
1da177e4 LT |
2442 | endmenu |
2443 | ||
2444 | menu "Executable file formats" | |
2445 | ||
2446 | source "fs/Kconfig.binfmt" | |
2447 | ||
2448 | config TRAD_SIGNALS | |
2449 | bool | |
1da177e4 | 2450 | |
1da177e4 LT |
2451 | config MIPS32_COMPAT |
2452 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2453 | depends on 64BIT |
1da177e4 LT |
2454 | help |
2455 | Select this option if you want Linux/MIPS 32-bit binary | |
2456 | compatibility. Since all software available for Linux/MIPS is | |
2457 | currently 32-bit you should say Y here. | |
2458 | ||
2459 | config COMPAT | |
2460 | bool | |
2461 | depends on MIPS32_COMPAT | |
48b25c43 | 2462 | select ARCH_WANT_OLD_COMPAT_IPC |
1da177e4 LT |
2463 | default y |
2464 | ||
05e43966 AN |
2465 | config SYSVIPC_COMPAT |
2466 | bool | |
2467 | depends on COMPAT && SYSVIPC | |
2468 | default y | |
2469 | ||
1da177e4 LT |
2470 | config MIPS32_O32 |
2471 | bool "Kernel support for o32 binaries" | |
2472 | depends on MIPS32_COMPAT | |
2473 | help | |
2474 | Select this option if you want to run o32 binaries. These are pure | |
2475 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2476 | existing binaries are in this format. | |
2477 | ||
2478 | If unsure, say Y. | |
2479 | ||
2480 | config MIPS32_N32 | |
2481 | bool "Kernel support for n32 binaries" | |
2482 | depends on MIPS32_COMPAT | |
2483 | help | |
2484 | Select this option if you want to run n32 binaries. These are | |
2485 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2486 | data that would normally be 64-bit. They are used in special | |
2487 | cases. | |
2488 | ||
2489 | If unsure, say N. | |
2490 | ||
2491 | config BINFMT_ELF32 | |
2492 | bool | |
2493 | default y if MIPS32_O32 || MIPS32_N32 | |
2494 | ||
2116245e RB |
2495 | endmenu |
2496 | ||
2497 | menu "Power management options" | |
2498 | ||
363c55ca WZ |
2499 | config ARCH_HIBERNATION_POSSIBLE |
2500 | def_bool y | |
3f5b3e17 | 2501 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 2502 | |
f4cb5700 JB |
2503 | config ARCH_SUSPEND_POSSIBLE |
2504 | def_bool y | |
3f5b3e17 | 2505 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 2506 | |
2116245e | 2507 | source "kernel/power/Kconfig" |
952fa954 | 2508 | |
1da177e4 LT |
2509 | endmenu |
2510 | ||
7a998935 VK |
2511 | config MIPS_EXTERNAL_TIMER |
2512 | bool | |
2513 | ||
2514 | if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER | |
2515 | menu "CPU Power Management" | |
2516 | source "drivers/cpufreq/Kconfig" | |
2517 | endmenu | |
2518 | endif | |
9726b43a | 2519 | |
d5950b43 SR |
2520 | source "net/Kconfig" |
2521 | ||
1da177e4 LT |
2522 | source "drivers/Kconfig" |
2523 | ||
98cdee0e RB |
2524 | source "drivers/firmware/Kconfig" |
2525 | ||
1da177e4 LT |
2526 | source "fs/Kconfig" |
2527 | ||
2528 | source "arch/mips/Kconfig.debug" | |
2529 | ||
2530 | source "security/Kconfig" | |
2531 | ||
2532 | source "crypto/Kconfig" | |
2533 | ||
2534 | source "lib/Kconfig" | |
2235a54d SL |
2535 | |
2536 | source "arch/mips/kvm/Kconfig" |