Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | config MIPS |
2 | bool | |
3 | default y | |
f8ac0425 | 4 | select HAVE_GENERIC_DMA_COHERENT |
ec7748b5 | 5 | select HAVE_IDE |
42d4b839 | 6 | select HAVE_OPROFILE |
7f788d2d DCZ |
7 | select HAVE_PERF_EVENTS |
8 | select PERF_USE_VMALLOC | |
88547001 | 9 | select HAVE_ARCH_KGDB |
d2bb0762 | 10 | select HAVE_FUNCTION_TRACER |
69a7d1b3 | 11 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
538f1952 WZ |
12 | select HAVE_DYNAMIC_FTRACE |
13 | select HAVE_FTRACE_MCOUNT_RECORD | |
64575f91 | 14 | select HAVE_C_RECORDMCOUNT |
29c5d346 | 15 | select HAVE_FUNCTION_GRAPH_TRACER |
c1bf207d DD |
16 | select HAVE_KPROBES |
17 | select HAVE_KRETPROBES | |
21a41faa | 18 | select RTC_LIB if !MACH_LOONGSON |
2b78920d | 19 | select GENERIC_ATOMIC64 if !64BIT |
48e1fd5a DD |
20 | select HAVE_DMA_ATTRS |
21 | select HAVE_DMA_API_DEBUG | |
3bd27e32 DD |
22 | select HAVE_GENERIC_HARDIRQS |
23 | select GENERIC_IRQ_PROBE | |
1da177e4 | 24 | |
1da177e4 LT |
25 | menu "Machine selection" |
26 | ||
5ac6da66 CL |
27 | config ZONE_DMA |
28 | bool | |
5ac6da66 | 29 | |
5e83d430 RB |
30 | choice |
31 | prompt "System type" | |
32 | default SGI_IP22 | |
1da177e4 | 33 | |
42a4f17d | 34 | config MIPS_ALCHEMY |
c3543e25 | 35 | bool "Alchemy processor based machines" |
42a4f17d ML |
36 | select 64BIT_PHYS_ADDR |
37 | select CEVT_R4K_LIB | |
38 | select CSRC_R4K_LIB | |
39 | select IRQ_CPU | |
40 | select SYS_HAS_CPU_MIPS32_R1 | |
41 | select SYS_SUPPORTS_32BIT_KERNEL | |
42 | select SYS_SUPPORTS_APM_EMULATION | |
43 | select GENERIC_GPIO | |
44 | select ARCH_WANT_OPTIONAL_GPIOLIB | |
1b93b3c3 | 45 | select SYS_SUPPORTS_ZBOOT |
1da177e4 | 46 | |
7ca5dc14 FF |
47 | config AR7 |
48 | bool "Texas Instruments AR7" | |
49 | select BOOT_ELF32 | |
50 | select DMA_NONCOHERENT | |
51 | select CEVT_R4K | |
52 | select CSRC_R4K | |
53 | select IRQ_CPU | |
54 | select NO_EXCEPT_FILL | |
55 | select SWAP_IO_SPACE | |
56 | select SYS_HAS_CPU_MIPS32_R1 | |
57 | select SYS_HAS_EARLY_PRINTK | |
58 | select SYS_SUPPORTS_32BIT_KERNEL | |
59 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1b93b3c3 | 60 | select SYS_SUPPORTS_ZBOOT_UART16550 |
5f3c9098 | 61 | select ARCH_REQUIRE_GPIOLIB |
7ca5dc14 FF |
62 | select GCD |
63 | select VLYNQ | |
64 | help | |
65 | Support for the Texas Instruments AR7 System-on-a-Chip | |
66 | family: TNETD7100, 7200 and 7300. | |
67 | ||
1c0c13eb | 68 | config BCM47XX |
c619366e | 69 | bool "Broadcom BCM47XX based boards" |
42f77542 | 70 | select CEVT_R4K |
940f6b48 | 71 | select CSRC_R4K |
1c0c13eb AJ |
72 | select DMA_NONCOHERENT |
73 | select HW_HAS_PCI | |
74 | select IRQ_CPU | |
75 | select SYS_HAS_CPU_MIPS32_R1 | |
76 | select SYS_SUPPORTS_32BIT_KERNEL | |
77 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
78 | select SSB | |
79 | select SSB_DRIVER_MIPS | |
2f02c15a | 80 | select SSB_DRIVER_EXTIF |
b06f3e19 | 81 | select SSB_EMBEDDED |
220937b1 | 82 | select SSB_B43_PCI_BRIDGE if PCI |
2f02c15a | 83 | select SSB_PCICORE_HOSTMODE if PCI |
1c0c13eb | 84 | select GENERIC_GPIO |
25e5fb97 AJ |
85 | select SYS_HAS_EARLY_PRINTK |
86 | select CFE | |
1c0c13eb AJ |
87 | help |
88 | Support for BCM47XX based boards | |
89 | ||
e7300d04 MB |
90 | config BCM63XX |
91 | bool "Broadcom BCM63XX based boards" | |
92 | select CEVT_R4K | |
93 | select CSRC_R4K | |
94 | select DMA_NONCOHERENT | |
95 | select IRQ_CPU | |
96 | select SYS_HAS_CPU_MIPS32_R1 | |
97 | select SYS_SUPPORTS_32BIT_KERNEL | |
98 | select SYS_SUPPORTS_BIG_ENDIAN | |
99 | select SYS_HAS_EARLY_PRINTK | |
100 | select SWAP_IO_SPACE | |
101 | select ARCH_REQUIRE_GPIOLIB | |
102 | help | |
103 | Support for BCM63XX based boards | |
104 | ||
1da177e4 | 105 | config MIPS_COBALT |
3fa986fa | 106 | bool "Cobalt Server" |
42f77542 | 107 | select CEVT_R4K |
940f6b48 | 108 | select CSRC_R4K |
1097c6ac | 109 | select CEVT_GT641XX |
1da177e4 LT |
110 | select DMA_NONCOHERENT |
111 | select HW_HAS_PCI | |
d865bea4 | 112 | select I8253 |
1da177e4 LT |
113 | select I8259 |
114 | select IRQ_CPU | |
d5ab1a69 | 115 | select IRQ_GT641XX |
252161ec | 116 | select PCI_GT64XXX_PCI0 |
e25bfc92 | 117 | select PCI |
7cf8053b | 118 | select SYS_HAS_CPU_NEVADA |
0a22e0d4 | 119 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 120 | select SYS_SUPPORTS_32BIT_KERNEL |
0e8774b6 | 121 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 122 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 LT |
123 | |
124 | config MACH_DECSTATION | |
3fa986fa | 125 | bool "DECstations" |
1da177e4 | 126 | select BOOT_ELF32 |
6457d9fc | 127 | select CEVT_DS1287 |
42f77542 | 128 | select CEVT_R4K |
4247417d | 129 | select CSRC_IOASIC |
940f6b48 | 130 | select CSRC_R4K |
20d60d99 MR |
131 | select CPU_DADDI_WORKAROUNDS if 64BIT |
132 | select CPU_R4000_WORKAROUNDS if 64BIT | |
133 | select CPU_R4400_WORKAROUNDS if 64BIT | |
1da177e4 | 134 | select DMA_NONCOHERENT |
d388d685 | 135 | select NO_IOPORT |
1da177e4 | 136 | select IRQ_CPU |
7cf8053b RB |
137 | select SYS_HAS_CPU_R3000 |
138 | select SYS_HAS_CPU_R4X00 | |
ed5ba2fb YY |
139 | select SYS_SUPPORTS_32BIT_KERNEL |
140 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
5e83d430 | 141 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1723b4a3 AN |
142 | select SYS_SUPPORTS_128HZ |
143 | select SYS_SUPPORTS_256HZ | |
144 | select SYS_SUPPORTS_1024HZ | |
5e83d430 | 145 | help |
1da177e4 LT |
146 | This enables support for DEC's MIPS based workstations. For details |
147 | see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the | |
148 | DECstation porting pages on <http://decstation.unix-ag.org/>. | |
149 | ||
150 | If you have one of the following DECstation Models you definitely | |
151 | want to choose R4xx0 for the CPU Type: | |
152 | ||
9308816c RB |
153 | DECstation 5000/50 |
154 | DECstation 5000/150 | |
155 | DECstation 5000/260 | |
156 | DECsystem 5900/260 | |
1da177e4 LT |
157 | |
158 | otherwise choose R3000. | |
159 | ||
5e83d430 | 160 | config MACH_JAZZ |
3fa986fa | 161 | bool "Jazz family of machines" |
5e83d430 RB |
162 | select ARC |
163 | select ARC32 | |
164 | select ARCH_MAY_HAVE_PC_FDC | |
42f77542 | 165 | select CEVT_R4K |
940f6b48 | 166 | select CSRC_R4K |
e2defae5 | 167 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
5e83d430 | 168 | select GENERIC_ISA_DMA |
ea202c63 | 169 | select IRQ_CPU |
d865bea4 | 170 | select I8253 |
5e83d430 RB |
171 | select I8259 |
172 | select ISA | |
7cf8053b | 173 | select SYS_HAS_CPU_R4X00 |
5e83d430 RB |
174 | select SYS_SUPPORTS_32BIT_KERNEL |
175 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
1723b4a3 | 176 | select SYS_SUPPORTS_100HZ |
1da177e4 | 177 | help |
5e83d430 RB |
178 | This a family of machines based on the MIPS R4030 chipset which was |
179 | used by several vendors to build RISC/os and Windows NT workstations. | |
692105b8 | 180 | Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and |
5e83d430 RB |
181 | Olivetti M700-10 workstations. |
182 | ||
5ebabe59 LPC |
183 | config MACH_JZ4740 |
184 | bool "Ingenic JZ4740 based machines" | |
185 | select SYS_HAS_CPU_MIPS32_R1 | |
186 | select SYS_SUPPORTS_32BIT_KERNEL | |
187 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
188 | select DMA_NONCOHERENT | |
189 | select IRQ_CPU | |
190 | select GENERIC_GPIO | |
191 | select ARCH_REQUIRE_GPIOLIB | |
192 | select SYS_HAS_EARLY_PRINTK | |
193 | select HAVE_PWM | |
194 | ||
1f21d2bd BM |
195 | config LASAT |
196 | bool "LASAT Networks platforms" | |
42f77542 | 197 | select CEVT_R4K |
940f6b48 | 198 | select CSRC_R4K |
1f21d2bd BM |
199 | select DMA_NONCOHERENT |
200 | select SYS_HAS_EARLY_PRINTK | |
201 | select HW_HAS_PCI | |
a5ccfe5c | 202 | select IRQ_CPU |
1f21d2bd BM |
203 | select PCI_GT64XXX_PCI0 |
204 | select MIPS_NILE4 | |
205 | select R5000_CPU_SCACHE | |
206 | select SYS_HAS_CPU_R5000 | |
207 | select SYS_SUPPORTS_32BIT_KERNEL | |
208 | select SYS_SUPPORTS_64BIT_KERNEL if BROKEN | |
209 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1f21d2bd | 210 | |
85749d24 WZ |
211 | config MACH_LOONGSON |
212 | bool "Loongson family of machines" | |
c7e8c668 | 213 | select SYS_SUPPORTS_ZBOOT |
ade299d8 | 214 | help |
85749d24 WZ |
215 | This enables the support of Loongson family of machines. |
216 | ||
217 | Loongson is a family of general-purpose MIPS-compatible CPUs. | |
218 | developed at Institute of Computing Technology (ICT), | |
219 | Chinese Academy of Sciences (CAS) in the People's Republic | |
220 | of China. The chief architect is Professor Weiwu Hu. | |
ade299d8 | 221 | |
1da177e4 | 222 | config MIPS_MALTA |
3fa986fa | 223 | bool "MIPS Malta board" |
61ed242d | 224 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 225 | select BOOT_ELF32 |
fa71c960 | 226 | select BOOT_RAW |
42f77542 | 227 | select CEVT_R4K |
940f6b48 | 228 | select CSRC_R4K |
1da177e4 LT |
229 | select DMA_NONCOHERENT |
230 | select GENERIC_ISA_DMA | |
aa414dff | 231 | select IRQ_CPU |
39b8d525 | 232 | select IRQ_GIC |
1da177e4 | 233 | select HW_HAS_PCI |
d865bea4 | 234 | select I8253 |
1da177e4 | 235 | select I8259 |
5e83d430 RB |
236 | select MIPS_BOARDS_GEN |
237 | select MIPS_BONITO64 | |
9318c51a | 238 | select MIPS_CPU_SCACHE |
252161ec | 239 | select PCI_GT64XXX_PCI0 |
5e83d430 | 240 | select MIPS_MSC |
1da177e4 | 241 | select SWAP_IO_SPACE |
7cf8053b RB |
242 | select SYS_HAS_CPU_MIPS32_R1 |
243 | select SYS_HAS_CPU_MIPS32_R2 | |
244 | select SYS_HAS_CPU_MIPS64_R1 | |
245 | select SYS_HAS_CPU_NEVADA | |
246 | select SYS_HAS_CPU_RM7000 | |
36a88530 | 247 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
248 | select SYS_SUPPORTS_32BIT_KERNEL |
249 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 RB |
250 | select SYS_SUPPORTS_BIG_ENDIAN |
251 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
0365070f | 252 | select SYS_SUPPORTS_MIPS_CMP |
f41ae0b2 | 253 | select SYS_SUPPORTS_MULTITHREADING |
9693a853 | 254 | select SYS_SUPPORTS_SMARTMIPS |
1b93b3c3 | 255 | select SYS_SUPPORTS_ZBOOT |
1da177e4 | 256 | help |
f638d197 | 257 | This enables support for the MIPS Technologies Malta evaluation |
1da177e4 LT |
258 | board. |
259 | ||
5e83d430 | 260 | config MIPS_SIM |
3fa986fa | 261 | bool 'MIPS simulator (MIPSsim)' |
42f77542 | 262 | select CEVT_R4K |
940f6b48 | 263 | select CSRC_R4K |
1da177e4 | 264 | select DMA_NONCOHERENT |
36a88530 | 265 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 266 | select IRQ_CPU |
9267a30d | 267 | select BOOT_RAW |
7cf8053b RB |
268 | select SYS_HAS_CPU_MIPS32_R1 |
269 | select SYS_HAS_CPU_MIPS32_R2 | |
36a88530 | 270 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb | 271 | select SYS_SUPPORTS_32BIT_KERNEL |
5e83d430 | 272 | select SYS_SUPPORTS_BIG_ENDIAN |
f6e2373a | 273 | select SYS_SUPPORTS_MULTITHREADING |
5e83d430 | 274 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 275 | help |
5e83d430 RB |
276 | This option enables support for MIPS Technologies MIPSsim software |
277 | emulator. | |
1da177e4 | 278 | |
a83860c2 RB |
279 | config NEC_MARKEINS |
280 | bool "NEC EMMA2RH Mark-eins board" | |
281 | select SOC_EMMA2RH | |
282 | select HW_HAS_PCI | |
283 | help | |
284 | This enables support for the NEC Electronics Mark-eins boards. | |
ade299d8 | 285 | |
5e83d430 | 286 | config MACH_VR41XX |
74142d65 | 287 | bool "NEC VR4100 series based machines" |
42f77542 | 288 | select CEVT_R4K |
940f6b48 | 289 | select CSRC_R4K |
7cf8053b | 290 | select SYS_HAS_CPU_VR41XX |
27fdd325 | 291 | select ARCH_REQUIRE_GPIOLIB |
5e83d430 | 292 | |
edb6310a DL |
293 | config NXP_STB220 |
294 | bool "NXP STB220 board" | |
295 | select SOC_PNX833X | |
296 | help | |
297 | Support for NXP Semiconductors STB220 Development Board. | |
298 | ||
299 | config NXP_STB225 | |
300 | bool "NXP 225 board" | |
301 | select SOC_PNX833X | |
302 | select SOC_PNX8335 | |
303 | help | |
304 | Support for NXP Semiconductors STB225 Development Board. | |
305 | ||
ade299d8 | 306 | config PNX8550_JBS |
a92b0588 | 307 | bool "NXP PNX8550 based JBS board" |
ade299d8 YY |
308 | select PNX8550 |
309 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
310 | ||
311 | config PNX8550_STB810 | |
a92b0588 | 312 | bool "NXP PNX8550 based STB810 board" |
ade299d8 YY |
313 | select PNX8550 |
314 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
315 | ||
9267a30d MSJ |
316 | config PMC_MSP |
317 | bool "PMC-Sierra MSP chipsets" | |
318 | depends on EXPERIMENTAL | |
319 | select DMA_NONCOHERENT | |
320 | select SWAP_IO_SPACE | |
321 | select NO_EXCEPT_FILL | |
322 | select BOOT_RAW | |
323 | select SYS_HAS_CPU_MIPS32_R1 | |
324 | select SYS_HAS_CPU_MIPS32_R2 | |
325 | select SYS_SUPPORTS_32BIT_KERNEL | |
326 | select SYS_SUPPORTS_BIG_ENDIAN | |
9267a30d MSJ |
327 | select IRQ_CPU |
328 | select SERIAL_8250 | |
329 | select SERIAL_8250_CONSOLE | |
330 | help | |
331 | This adds support for the PMC-Sierra family of Multi-Service | |
332 | Processor System-On-A-Chips. These parts include a number | |
333 | of integrated peripherals, interfaces and DSPs in addition to | |
334 | a variety of MIPS cores. | |
335 | ||
5e83d430 | 336 | config PMC_YOSEMITE |
3fa986fa | 337 | bool "PMC-Sierra Yosemite eval board" |
42f77542 | 338 | select CEVT_R4K |
940f6b48 | 339 | select CSRC_R4K |
5e83d430 RB |
340 | select DMA_COHERENT |
341 | select HW_HAS_PCI | |
342 | select IRQ_CPU | |
343 | select IRQ_CPU_RM7K | |
344 | select IRQ_CPU_RM9K | |
345 | select SWAP_IO_SPACE | |
7cf8053b | 346 | select SYS_HAS_CPU_RM9000 |
36a88530 | 347 | select SYS_HAS_EARLY_PRINTK |
5e83d430 RB |
348 | select SYS_SUPPORTS_32BIT_KERNEL |
349 | select SYS_SUPPORTS_64BIT_KERNEL | |
350 | select SYS_SUPPORTS_BIG_ENDIAN | |
351 | select SYS_SUPPORTS_HIGHMEM | |
e73ea273 | 352 | select SYS_SUPPORTS_SMP |
5e83d430 RB |
353 | help |
354 | Yosemite is an evaluation board for the RM9000x2 processor | |
355 | manufactured by PMC-Sierra. | |
1da177e4 | 356 | |
a3a0f8c8 DV |
357 | config POWERTV |
358 | bool "Cisco PowerTV" | |
359 | select BOOT_ELF32 | |
360 | select CEVT_R4K | |
361 | select CPU_MIPSR2_IRQ_VI | |
362 | select CPU_MIPSR2_IRQ_EI | |
363 | select CSRC_POWERTV | |
364 | select DMA_NONCOHERENT | |
365 | select HW_HAS_PCI | |
366 | select SYS_HAS_EARLY_PRINTK | |
367 | select SYS_HAS_CPU_MIPS32_R2 | |
368 | select SYS_SUPPORTS_32BIT_KERNEL | |
369 | select SYS_SUPPORTS_BIG_ENDIAN | |
370 | select SYS_SUPPORTS_HIGHMEM | |
371 | select USB_OHCI_LITTLE_ENDIAN | |
372 | help | |
373 | This enables support for the Cisco PowerTV Platform. | |
374 | ||
1da177e4 | 375 | config SGI_IP22 |
3fa986fa | 376 | bool "SGI IP22 (Indy/Indigo2)" |
1da177e4 LT |
377 | select ARC |
378 | select ARC32 | |
379 | select BOOT_ELF32 | |
42f77542 | 380 | select CEVT_R4K |
940f6b48 | 381 | select CSRC_R4K |
e2defae5 | 382 | select DEFAULT_SGI_PARTITION |
1da177e4 | 383 | select DMA_NONCOHERENT |
5e83d430 | 384 | select HW_HAS_EISA |
d865bea4 | 385 | select I8253 |
68de4803 | 386 | select I8259 |
1da177e4 LT |
387 | select IP22_CPU_SCACHE |
388 | select IRQ_CPU | |
aa414dff | 389 | select GENERIC_ISA_DMA_SUPPORT_BROKEN |
e2defae5 TB |
390 | select SGI_HAS_I8042 |
391 | select SGI_HAS_INDYDOG | |
36e5c21d | 392 | select SGI_HAS_HAL2 |
e2defae5 TB |
393 | select SGI_HAS_SEEQ |
394 | select SGI_HAS_WD93 | |
395 | select SGI_HAS_ZILOG | |
1da177e4 | 396 | select SWAP_IO_SPACE |
7cf8053b RB |
397 | select SYS_HAS_CPU_R4X00 |
398 | select SYS_HAS_CPU_R5000 | |
2b5e63f6 MM |
399 | # |
400 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
401 | # memory during early boot on some machines. | |
402 | # | |
403 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
404 | # for a more details discussion | |
405 | # | |
406 | # select SYS_HAS_EARLY_PRINTK | |
ed5ba2fb YY |
407 | select SYS_SUPPORTS_32BIT_KERNEL |
408 | select SYS_SUPPORTS_64BIT_KERNEL | |
5e83d430 | 409 | select SYS_SUPPORTS_BIG_ENDIAN |
1da177e4 LT |
410 | help |
411 | This are the SGI Indy, Challenge S and Indigo2, as well as certain | |
412 | OEM variants like the Tandem CMN B006S. To compile a Linux kernel | |
413 | that runs on these, say Y here. | |
414 | ||
415 | config SGI_IP27 | |
3fa986fa | 416 | bool "SGI IP27 (Origin200/2000)" |
1da177e4 LT |
417 | select ARC |
418 | select ARC64 | |
5e83d430 | 419 | select BOOT_ELF64 |
e2defae5 | 420 | select DEFAULT_SGI_PARTITION |
634286f1 | 421 | select DMA_COHERENT |
36a88530 | 422 | select SYS_HAS_EARLY_PRINTK |
1da177e4 | 423 | select HW_HAS_PCI |
130e2fb7 | 424 | select NR_CPUS_DEFAULT_64 |
7cf8053b | 425 | select SYS_HAS_CPU_R10000 |
ed5ba2fb | 426 | select SYS_SUPPORTS_64BIT_KERNEL |
5e83d430 | 427 | select SYS_SUPPORTS_BIG_ENDIAN |
d8cb4e11 | 428 | select SYS_SUPPORTS_NUMA |
1a5c5de1 | 429 | select SYS_SUPPORTS_SMP |
1da177e4 LT |
430 | help |
431 | This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics | |
432 | workstations. To compile a Linux kernel that runs on these, say Y | |
433 | here. | |
434 | ||
e2defae5 TB |
435 | config SGI_IP28 |
436 | bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)" | |
437 | depends on EXPERIMENTAL | |
438 | select ARC | |
439 | select ARC64 | |
440 | select BOOT_ELF64 | |
441 | select CEVT_R4K | |
442 | select CSRC_R4K | |
443 | select DEFAULT_SGI_PARTITION | |
444 | select DMA_NONCOHERENT | |
445 | select GENERIC_ISA_DMA_SUPPORT_BROKEN | |
446 | select IRQ_CPU | |
447 | select HW_HAS_EISA | |
448 | select I8253 | |
449 | select I8259 | |
e2defae5 TB |
450 | select SGI_HAS_I8042 |
451 | select SGI_HAS_INDYDOG | |
5b438c44 | 452 | select SGI_HAS_HAL2 |
e2defae5 TB |
453 | select SGI_HAS_SEEQ |
454 | select SGI_HAS_WD93 | |
455 | select SGI_HAS_ZILOG | |
456 | select SWAP_IO_SPACE | |
457 | select SYS_HAS_CPU_R10000 | |
2b5e63f6 MM |
458 | # |
459 | # Disable EARLY_PRINTK for now since it leads to overwritten prom | |
460 | # memory during early boot on some machines. | |
461 | # | |
462 | # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com | |
463 | # for a more details discussion | |
464 | # | |
465 | # select SYS_HAS_EARLY_PRINTK | |
e2defae5 TB |
466 | select SYS_SUPPORTS_64BIT_KERNEL |
467 | select SYS_SUPPORTS_BIG_ENDIAN | |
468 | help | |
469 | This is the SGI Indigo2 with R10000 processor. To compile a Linux | |
470 | kernel that runs on these, say Y here. | |
471 | ||
1da177e4 | 472 | config SGI_IP32 |
cfd2afc0 | 473 | bool "SGI IP32 (O2)" |
1da177e4 LT |
474 | select ARC |
475 | select ARC32 | |
476 | select BOOT_ELF32 | |
42f77542 | 477 | select CEVT_R4K |
940f6b48 | 478 | select CSRC_R4K |
1da177e4 LT |
479 | select DMA_NONCOHERENT |
480 | select HW_HAS_PCI | |
dd67b155 | 481 | select IRQ_CPU |
1da177e4 LT |
482 | select R5000_CPU_SCACHE |
483 | select RM7000_CPU_SCACHE | |
7cf8053b RB |
484 | select SYS_HAS_CPU_R5000 |
485 | select SYS_HAS_CPU_R10000 if BROKEN | |
486 | select SYS_HAS_CPU_RM7000 | |
dd2f18fe | 487 | select SYS_HAS_CPU_NEVADA |
ed5ba2fb | 488 | select SYS_SUPPORTS_64BIT_KERNEL |
23fbee9d | 489 | select SYS_SUPPORTS_BIG_ENDIAN |
23fbee9d | 490 | help |
5e83d430 | 491 | If you want this kernel to run on SGI O2 workstation, say Y here. |
1da177e4 | 492 | |
ade299d8 YY |
493 | config SIBYTE_CRHINE |
494 | bool "Sibyte BCM91120C-CRhine" | |
495 | depends on EXPERIMENTAL | |
9a6dcea1 AI |
496 | select BOOT_ELF32 |
497 | select DMA_COHERENT | |
ade299d8 | 498 | select SIBYTE_BCM1120 |
9a6dcea1 | 499 | select SWAP_IO_SPACE |
7cf8053b | 500 | select SYS_HAS_CPU_SB1 |
9a6dcea1 AI |
501 | select SYS_SUPPORTS_BIG_ENDIAN |
502 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
503 | ||
ade299d8 YY |
504 | config SIBYTE_CARMEL |
505 | bool "Sibyte BCM91120x-Carmel" | |
506 | depends on EXPERIMENTAL | |
5e83d430 | 507 | select BOOT_ELF32 |
1da177e4 | 508 | select DMA_COHERENT |
ade299d8 | 509 | select SIBYTE_BCM1120 |
5e83d430 | 510 | select SWAP_IO_SPACE |
7cf8053b | 511 | select SYS_HAS_CPU_SB1 |
81731f79 | 512 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 513 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 514 | |
ade299d8 YY |
515 | config SIBYTE_CRHONE |
516 | bool "Sibyte BCM91125C-CRhone" | |
5e83d430 RB |
517 | depends on EXPERIMENTAL |
518 | select BOOT_ELF32 | |
519 | select DMA_COHERENT | |
ade299d8 | 520 | select SIBYTE_BCM1125 |
5e83d430 | 521 | select SWAP_IO_SPACE |
7cf8053b | 522 | select SYS_HAS_CPU_SB1 |
5e83d430 | 523 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 524 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 525 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 526 | |
5e83d430 | 527 | config SIBYTE_RHONE |
3fa986fa | 528 | bool "Sibyte BCM91125E-Rhone" |
5e83d430 RB |
529 | depends on EXPERIMENTAL |
530 | select BOOT_ELF32 | |
531 | select DMA_COHERENT | |
532 | select SIBYTE_BCM1125H | |
533 | select SWAP_IO_SPACE | |
7cf8053b | 534 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
535 | select SYS_SUPPORTS_BIG_ENDIAN |
536 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 537 | |
ade299d8 YY |
538 | config SIBYTE_SWARM |
539 | bool "Sibyte BCM91250A-SWARM" | |
5e83d430 | 540 | select BOOT_ELF32 |
26a940e2 | 541 | select DMA_COHERENT |
fcf3ca4c | 542 | select HAVE_PATA_PLATFORM |
ade299d8 YY |
543 | select NR_CPUS_DEFAULT_2 |
544 | select SIBYTE_SB1250 | |
5e83d430 | 545 | select SWAP_IO_SPACE |
7cf8053b | 546 | select SYS_HAS_CPU_SB1 |
5e83d430 | 547 | select SYS_SUPPORTS_BIG_ENDIAN |
ade299d8 | 548 | select SYS_SUPPORTS_HIGHMEM |
e3ad1c23 | 549 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 550 | select ZONE_DMA32 if 64BIT |
e3ad1c23 | 551 | |
ade299d8 YY |
552 | config SIBYTE_LITTLESUR |
553 | bool "Sibyte BCM91250C2-LittleSur" | |
5e83d430 RB |
554 | depends on EXPERIMENTAL |
555 | select BOOT_ELF32 | |
556 | select DMA_COHERENT | |
fcf3ca4c | 557 | select HAVE_PATA_PLATFORM |
130e2fb7 | 558 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
559 | select SIBYTE_SB1250 |
560 | select SWAP_IO_SPACE | |
7cf8053b | 561 | select SYS_HAS_CPU_SB1 |
5e83d430 RB |
562 | select SYS_SUPPORTS_BIG_ENDIAN |
563 | select SYS_SUPPORTS_HIGHMEM | |
564 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1da177e4 | 565 | |
ade299d8 YY |
566 | config SIBYTE_SENTOSA |
567 | bool "Sibyte BCM91250E-Sentosa" | |
5e83d430 RB |
568 | depends on EXPERIMENTAL |
569 | select BOOT_ELF32 | |
570 | select DMA_COHERENT | |
130e2fb7 | 571 | select NR_CPUS_DEFAULT_2 |
5e83d430 RB |
572 | select SIBYTE_SB1250 |
573 | select SWAP_IO_SPACE | |
7cf8053b | 574 | select SYS_HAS_CPU_SB1 |
5e83d430 | 575 | select SYS_SUPPORTS_BIG_ENDIAN |
5e83d430 | 576 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 577 | |
ade299d8 YY |
578 | config SIBYTE_BIGSUR |
579 | bool "Sibyte BCM91480B-BigSur" | |
5e83d430 RB |
580 | select BOOT_ELF32 |
581 | select DMA_COHERENT | |
ade299d8 | 582 | select NR_CPUS_DEFAULT_4 |
ade299d8 | 583 | select SIBYTE_BCM1x80 |
5e83d430 | 584 | select SWAP_IO_SPACE |
7cf8053b | 585 | select SYS_HAS_CPU_SB1 |
5e83d430 | 586 | select SYS_SUPPORTS_BIG_ENDIAN |
651194f8 | 587 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 588 | select SYS_SUPPORTS_LITTLE_ENDIAN |
cce335ae | 589 | select ZONE_DMA32 if 64BIT |
1da177e4 | 590 | |
14b36af4 TB |
591 | config SNI_RM |
592 | bool "SNI RM200/300/400" | |
4a0312fc TB |
593 | select ARC if CPU_LITTLE_ENDIAN |
594 | select ARC32 if CPU_LITTLE_ENDIAN | |
231a35d3 | 595 | select SNIPROM if CPU_BIG_ENDIAN |
61ed242d | 596 | select ARCH_MAY_HAVE_PC_FDC |
1da177e4 | 597 | select BOOT_ELF32 |
42f77542 | 598 | select CEVT_R4K |
940f6b48 | 599 | select CSRC_R4K |
e2defae5 | 600 | select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN |
1da177e4 LT |
601 | select DMA_NONCOHERENT |
602 | select GENERIC_ISA_DMA | |
5e83d430 | 603 | select HW_HAS_EISA |
1da177e4 | 604 | select HW_HAS_PCI |
c066a32a | 605 | select IRQ_CPU |
d865bea4 | 606 | select I8253 |
1da177e4 LT |
607 | select I8259 |
608 | select ISA | |
4a0312fc | 609 | select SWAP_IO_SPACE if CPU_BIG_ENDIAN |
7cf8053b | 610 | select SYS_HAS_CPU_R4X00 |
4a0312fc | 611 | select SYS_HAS_CPU_R5000 |
c066a32a | 612 | select SYS_HAS_CPU_R10000 |
4a0312fc | 613 | select R5000_CPU_SCACHE |
36a88530 | 614 | select SYS_HAS_EARLY_PRINTK |
ed5ba2fb YY |
615 | select SYS_SUPPORTS_32BIT_KERNEL |
616 | select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL | |
4a0312fc | 617 | select SYS_SUPPORTS_BIG_ENDIAN |
797798c1 | 618 | select SYS_SUPPORTS_HIGHMEM |
5e83d430 | 619 | select SYS_SUPPORTS_LITTLE_ENDIAN |
1da177e4 | 620 | help |
14b36af4 TB |
621 | The SNI RM200/300/400 are MIPS-based machines manufactured by |
622 | Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid | |
1da177e4 LT |
623 | Technology and now in turn merged with Fujitsu. Say Y here to |
624 | support this machine type. | |
625 | ||
edcaf1a6 AN |
626 | config MACH_TX39XX |
627 | bool "Toshiba TX39 series based machines" | |
5e83d430 | 628 | |
edcaf1a6 AN |
629 | config MACH_TX49XX |
630 | bool "Toshiba TX49 series based machines" | |
5e83d430 | 631 | |
73b4390f RB |
632 | config MIKROTIK_RB532 |
633 | bool "Mikrotik RB532 boards" | |
634 | select CEVT_R4K | |
635 | select CSRC_R4K | |
636 | select DMA_NONCOHERENT | |
73b4390f RB |
637 | select HW_HAS_PCI |
638 | select IRQ_CPU | |
639 | select SYS_HAS_CPU_MIPS32_R1 | |
640 | select SYS_SUPPORTS_32BIT_KERNEL | |
641 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
642 | select SWAP_IO_SPACE | |
643 | select BOOT_RAW | |
d888e25b | 644 | select ARCH_REQUIRE_GPIOLIB |
73b4390f RB |
645 | help |
646 | Support the Mikrotik(tm) RouterBoard 532 series, | |
647 | based on the IDT RC32434 SoC. | |
648 | ||
ade299d8 YY |
649 | config WR_PPMC |
650 | bool "Wind River PPMC board" | |
42f77542 | 651 | select CEVT_R4K |
940f6b48 | 652 | select CSRC_R4K |
ade299d8 YY |
653 | select IRQ_CPU |
654 | select BOOT_ELF32 | |
655 | select DMA_NONCOHERENT | |
656 | select HW_HAS_PCI | |
657 | select PCI_GT64XXX_PCI0 | |
658 | select SWAP_IO_SPACE | |
659 | select SYS_HAS_CPU_MIPS32_R1 | |
660 | select SYS_HAS_CPU_MIPS32_R2 | |
661 | select SYS_HAS_CPU_MIPS64_R1 | |
662 | select SYS_HAS_CPU_NEVADA | |
663 | select SYS_HAS_CPU_RM7000 | |
664 | select SYS_SUPPORTS_32BIT_KERNEL | |
665 | select SYS_SUPPORTS_64BIT_KERNEL | |
666 | select SYS_SUPPORTS_BIG_ENDIAN | |
667 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
668 | help | |
669 | This enables support for the Wind River MIPS32 4KC PPMC evaluation | |
670 | board, which is based on GT64120 bridge chip. | |
671 | ||
a86c7f72 | 672 | config CAVIUM_OCTEON_SIMULATOR |
c9d89d97 | 673 | bool "Cavium Networks Octeon Simulator" |
a86c7f72 DD |
674 | select CEVT_R4K |
675 | select 64BIT_PHYS_ADDR | |
676 | select DMA_COHERENT | |
677 | select SYS_SUPPORTS_64BIT_KERNEL | |
678 | select SYS_SUPPORTS_BIG_ENDIAN | |
679 | select SYS_SUPPORTS_HIGHMEM | |
773cb77d | 680 | select SYS_SUPPORTS_HOTPLUG_CPU |
5e683389 | 681 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
682 | help |
683 | The Octeon simulator is software performance model of the Cavium | |
684 | Octeon Processor. It supports simulating Octeon processors on x86 | |
685 | hardware. | |
686 | ||
687 | config CAVIUM_OCTEON_REFERENCE_BOARD | |
c9d89d97 | 688 | bool "Cavium Networks Octeon reference board" |
a86c7f72 DD |
689 | select CEVT_R4K |
690 | select 64BIT_PHYS_ADDR | |
691 | select DMA_COHERENT | |
692 | select SYS_SUPPORTS_64BIT_KERNEL | |
693 | select SYS_SUPPORTS_BIG_ENDIAN | |
694 | select SYS_SUPPORTS_HIGHMEM | |
773cb77d | 695 | select SYS_SUPPORTS_HOTPLUG_CPU |
a86c7f72 | 696 | select SYS_HAS_EARLY_PRINTK |
5e683389 | 697 | select SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 | 698 | select SWAP_IO_SPACE |
e8635b48 DD |
699 | select HW_HAS_PCI |
700 | select ARCH_SUPPORTS_MSI | |
f00e001e | 701 | select ZONE_DMA32 |
340fbb8b DD |
702 | select USB_ARCH_HAS_OHCI |
703 | select USB_ARCH_HAS_EHCI | |
a86c7f72 DD |
704 | help |
705 | This option supports all of the Octeon reference boards from Cavium | |
706 | Networks. It builds a kernel that dynamically determines the Octeon | |
707 | CPU type and supports all known board reference implementations. | |
708 | Some of the supported boards are: | |
709 | EBT3000 | |
710 | EBH3000 | |
711 | EBH3100 | |
712 | Thunder | |
713 | Kodama | |
714 | Hikari | |
715 | Say Y here for most Octeon reference boards. | |
716 | ||
5e83d430 | 717 | endchoice |
1da177e4 | 718 | |
e8c7c482 | 719 | source "arch/mips/alchemy/Kconfig" |
e7300d04 | 720 | source "arch/mips/bcm63xx/Kconfig" |
5e83d430 | 721 | source "arch/mips/jazz/Kconfig" |
5ebabe59 | 722 | source "arch/mips/jz4740/Kconfig" |
1f21d2bd | 723 | source "arch/mips/lasat/Kconfig" |
5e83d430 | 724 | source "arch/mips/pmc-sierra/Kconfig" |
a3a0f8c8 | 725 | source "arch/mips/powertv/Kconfig" |
29c48699 | 726 | source "arch/mips/sgi-ip27/Kconfig" |
38b18f72 | 727 | source "arch/mips/sibyte/Kconfig" |
22b1d707 | 728 | source "arch/mips/txx9/Kconfig" |
5e83d430 | 729 | source "arch/mips/vr41xx/Kconfig" |
a86c7f72 | 730 | source "arch/mips/cavium-octeon/Kconfig" |
85749d24 | 731 | source "arch/mips/loongson/Kconfig" |
38b18f72 | 732 | |
5e83d430 RB |
733 | endmenu |
734 | ||
1da177e4 LT |
735 | config RWSEM_GENERIC_SPINLOCK |
736 | bool | |
737 | default y | |
738 | ||
739 | config RWSEM_XCHGADD_ALGORITHM | |
740 | bool | |
741 | ||
f0d1b0b3 DH |
742 | config ARCH_HAS_ILOG2_U32 |
743 | bool | |
744 | default n | |
745 | ||
746 | config ARCH_HAS_ILOG2_U64 | |
747 | bool | |
748 | default n | |
749 | ||
00a58253 RB |
750 | config ARCH_SUPPORTS_OPROFILE |
751 | bool | |
752 | default y if !MIPS_MT_SMTC | |
753 | ||
3c9ee7ef AM |
754 | config GENERIC_FIND_NEXT_BIT |
755 | bool | |
756 | default y | |
757 | ||
758 | config GENERIC_HWEIGHT | |
759 | bool | |
760 | default y | |
761 | ||
1da177e4 LT |
762 | config GENERIC_CALIBRATE_DELAY |
763 | bool | |
764 | default y | |
765 | ||
7bcf7717 RB |
766 | config GENERIC_CLOCKEVENTS |
767 | bool | |
768 | default y | |
769 | ||
f5ff0a28 RB |
770 | config GENERIC_CMOS_UPDATE |
771 | bool | |
772 | default y | |
773 | ||
ae1e9130 | 774 | config SCHED_OMIT_FRAME_POINTER |
1cc89038 AN |
775 | bool |
776 | default y | |
777 | ||
e77c232c | 778 | config GENERIC_HARDIRQS_NO__DO_IRQ |
c87e0909 | 779 | def_bool y |
e77c232c | 780 | |
1da177e4 LT |
781 | # |
782 | # Select some configuration options automatically based on user selections. | |
783 | # | |
784 | config ARC | |
785 | bool | |
1da177e4 | 786 | |
61ed242d RB |
787 | config ARCH_MAY_HAVE_PC_FDC |
788 | bool | |
789 | ||
9267a30d MSJ |
790 | config BOOT_RAW |
791 | bool | |
792 | ||
217dd11e RB |
793 | config CEVT_BCM1480 |
794 | bool | |
795 | ||
6457d9fc YY |
796 | config CEVT_DS1287 |
797 | bool | |
798 | ||
1097c6ac YY |
799 | config CEVT_GT641XX |
800 | bool | |
801 | ||
779e7d41 ML |
802 | config CEVT_R4K_LIB |
803 | bool | |
804 | ||
42f77542 | 805 | config CEVT_R4K |
779e7d41 | 806 | select CEVT_R4K_LIB |
42f77542 RB |
807 | bool |
808 | ||
217dd11e RB |
809 | config CEVT_SB1250 |
810 | bool | |
811 | ||
229f773e AN |
812 | config CEVT_TXX9 |
813 | bool | |
814 | ||
217dd11e RB |
815 | config CSRC_BCM1480 |
816 | bool | |
817 | ||
4247417d YY |
818 | config CSRC_IOASIC |
819 | bool | |
820 | ||
a3a0f8c8 DV |
821 | config CSRC_POWERTV |
822 | bool | |
823 | ||
779e7d41 ML |
824 | config CSRC_R4K_LIB |
825 | bool | |
826 | ||
940f6b48 | 827 | config CSRC_R4K |
779e7d41 | 828 | select CSRC_R4K_LIB |
940f6b48 RB |
829 | bool |
830 | ||
217dd11e RB |
831 | config CSRC_SB1250 |
832 | bool | |
833 | ||
a9aec7fe AN |
834 | config GPIO_TXX9 |
835 | select GENERIC_GPIO | |
7444a72e | 836 | select ARCH_REQUIRE_GPIOLIB |
a9aec7fe AN |
837 | bool |
838 | ||
df78b5c8 AJ |
839 | config CFE |
840 | bool | |
841 | ||
4ce588cd | 842 | config DMA_COHERENT |
1da177e4 LT |
843 | bool |
844 | ||
4ce588cd RB |
845 | config DMA_NONCOHERENT |
846 | bool | |
e1e02b32 | 847 | select NEED_DMA_MAP_STATE |
4ce588cd | 848 | |
e1e02b32 | 849 | config NEED_DMA_MAP_STATE |
1da177e4 LT |
850 | bool |
851 | ||
36a88530 | 852 | config SYS_HAS_EARLY_PRINTK |
1da177e4 | 853 | bool |
1da177e4 | 854 | |
dbb74540 | 855 | config HOTPLUG_CPU |
1b2bc75c RB |
856 | bool "Support for hot-pluggable CPUs" |
857 | depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU | |
858 | help | |
859 | Say Y here to allow turning CPUs off and on. CPUs can be | |
860 | controlled through /sys/devices/system/cpu. | |
861 | (Note: power management support will enable this option | |
862 | automatically on SMP systems. ) | |
863 | Say N if you want to disable CPU hotplug. | |
864 | ||
865 | config SYS_SUPPORTS_HOTPLUG_CPU | |
dbb74540 | 866 | bool |
dbb74540 | 867 | |
1da177e4 LT |
868 | config I8259 |
869 | bool | |
1da177e4 | 870 | |
1da177e4 LT |
871 | config MIPS_BONITO64 |
872 | bool | |
1da177e4 LT |
873 | |
874 | config MIPS_MSC | |
875 | bool | |
1da177e4 | 876 | |
1f21d2bd BM |
877 | config MIPS_NILE4 |
878 | bool | |
879 | ||
1da177e4 LT |
880 | config MIPS_DISABLE_OBSOLETE_IDE |
881 | bool | |
882 | ||
39b8d525 RB |
883 | config SYNC_R4K |
884 | bool | |
885 | ||
d388d685 MR |
886 | config NO_IOPORT |
887 | def_bool n | |
888 | ||
8313da30 RB |
889 | config GENERIC_ISA_DMA |
890 | bool | |
891 | select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n | |
a35bee8a | 892 | select ISA_DMA_API |
8313da30 | 893 | |
aa414dff RB |
894 | config GENERIC_ISA_DMA_SUPPORT_BROKEN |
895 | bool | |
8313da30 | 896 | select GENERIC_ISA_DMA |
aa414dff | 897 | |
a35bee8a NK |
898 | config ISA_DMA_API |
899 | bool | |
900 | ||
09663335 YY |
901 | config GENERIC_GPIO |
902 | bool | |
903 | ||
5e83d430 | 904 | # |
3cb2fccc | 905 | # Endianess selection. Sufficiently obscure so many users don't know what to |
5e83d430 RB |
906 | # answer,so we try hard to limit the available choices. Also the use of a |
907 | # choice statement should be more obvious to the user. | |
908 | # | |
909 | choice | |
910 | prompt "Endianess selection" | |
1da177e4 LT |
911 | help |
912 | Some MIPS machines can be configured for either little or big endian | |
5e83d430 | 913 | byte order. These modes require different kernels and a different |
3cb2fccc | 914 | Linux distribution. In general there is one preferred byteorder for a |
5e83d430 | 915 | particular system but some systems are just as commonly used in the |
3dde6ad8 | 916 | one or the other endianness. |
5e83d430 RB |
917 | |
918 | config CPU_BIG_ENDIAN | |
919 | bool "Big endian" | |
920 | depends on SYS_SUPPORTS_BIG_ENDIAN | |
921 | ||
922 | config CPU_LITTLE_ENDIAN | |
923 | bool "Little endian" | |
924 | depends on SYS_SUPPORTS_LITTLE_ENDIAN | |
925 | help | |
926 | ||
927 | endchoice | |
928 | ||
22b0763a DD |
929 | config EXPORT_UASM |
930 | bool | |
931 | ||
2116245e RB |
932 | config SYS_SUPPORTS_APM_EMULATION |
933 | bool | |
934 | ||
5e83d430 RB |
935 | config SYS_SUPPORTS_BIG_ENDIAN |
936 | bool | |
937 | ||
938 | config SYS_SUPPORTS_LITTLE_ENDIAN | |
939 | bool | |
1da177e4 | 940 | |
9cffd154 DD |
941 | config SYS_SUPPORTS_HUGETLBFS |
942 | bool | |
943 | depends on CPU_SUPPORTS_HUGEPAGES && 64BIT | |
944 | default y | |
945 | ||
1da177e4 LT |
946 | config IRQ_CPU |
947 | bool | |
948 | ||
949 | config IRQ_CPU_RM7K | |
950 | bool | |
951 | ||
5e83d430 RB |
952 | config IRQ_CPU_RM9K |
953 | bool | |
954 | ||
9267a30d MSJ |
955 | config IRQ_MSP_SLP |
956 | bool | |
957 | ||
958 | config IRQ_MSP_CIC | |
959 | bool | |
960 | ||
8420fd00 AN |
961 | config IRQ_TXX9 |
962 | bool | |
963 | ||
d5ab1a69 YY |
964 | config IRQ_GT641XX |
965 | bool | |
966 | ||
39b8d525 RB |
967 | config IRQ_GIC |
968 | bool | |
969 | ||
a86c7f72 DD |
970 | config IRQ_CPU_OCTEON |
971 | bool | |
972 | ||
1da177e4 LT |
973 | config MIPS_BOARDS_GEN |
974 | bool | |
1da177e4 | 975 | |
252161ec | 976 | config PCI_GT64XXX_PCI0 |
1da177e4 | 977 | bool |
1da177e4 | 978 | |
9267a30d MSJ |
979 | config NO_EXCEPT_FILL |
980 | bool | |
981 | ||
663c3d90 | 982 | config MIPS_RM9122 |
983 | bool | |
984 | select SERIAL_RM9000 | |
663c3d90 | 985 | |
a83860c2 RB |
986 | config SOC_EMMA2RH |
987 | bool | |
988 | select CEVT_R4K | |
989 | select CSRC_R4K | |
990 | select DMA_NONCOHERENT | |
991 | select IRQ_CPU | |
992 | select SWAP_IO_SPACE | |
993 | select SYS_HAS_CPU_R5500 | |
994 | select SYS_SUPPORTS_32BIT_KERNEL | |
995 | select SYS_SUPPORTS_64BIT_KERNEL | |
996 | select SYS_SUPPORTS_BIG_ENDIAN | |
997 | ||
edb6310a DL |
998 | config SOC_PNX833X |
999 | bool | |
1000 | select CEVT_R4K | |
1001 | select CSRC_R4K | |
1002 | select IRQ_CPU | |
1003 | select DMA_NONCOHERENT | |
1004 | select SYS_HAS_CPU_MIPS32_R2 | |
1005 | select SYS_SUPPORTS_32BIT_KERNEL | |
1006 | select SYS_SUPPORTS_LITTLE_ENDIAN | |
1007 | select SYS_SUPPORTS_BIG_ENDIAN | |
edb6310a DL |
1008 | select GENERIC_GPIO |
1009 | select CPU_MIPSR2_IRQ_VI | |
1010 | ||
1011 | config SOC_PNX8335 | |
1012 | bool | |
1013 | select SOC_PNX833X | |
1014 | ||
bdf21b18 PP |
1015 | config PNX8550 |
1016 | bool | |
1017 | select SOC_PNX8550 | |
1018 | ||
1019 | config SOC_PNX8550 | |
1020 | bool | |
bdf21b18 PP |
1021 | select DMA_NONCOHERENT |
1022 | select HW_HAS_PCI | |
b8c2a77c | 1023 | select SYS_HAS_CPU_MIPS32_R1 |
36a88530 | 1024 | select SYS_HAS_EARLY_PRINTK |
7cf8053b | 1025 | select SYS_SUPPORTS_32BIT_KERNEL |
4ead1681 | 1026 | select GENERIC_GPIO |
bdf21b18 | 1027 | |
1da177e4 LT |
1028 | config SWAP_IO_SPACE |
1029 | bool | |
1030 | ||
663c3d90 | 1031 | config SERIAL_RM9000 |
1032 | bool | |
1033 | ||
e2defae5 TB |
1034 | config SGI_HAS_INDYDOG |
1035 | bool | |
1036 | ||
5b438c44 TB |
1037 | config SGI_HAS_HAL2 |
1038 | bool | |
1039 | ||
e2defae5 TB |
1040 | config SGI_HAS_SEEQ |
1041 | bool | |
1042 | ||
1043 | config SGI_HAS_WD93 | |
1044 | bool | |
1045 | ||
1046 | config SGI_HAS_ZILOG | |
1047 | bool | |
1048 | ||
1049 | config SGI_HAS_I8042 | |
1050 | bool | |
1051 | ||
1052 | config DEFAULT_SGI_PARTITION | |
1053 | bool | |
1054 | ||
5e83d430 RB |
1055 | config ARC32 |
1056 | bool | |
1057 | ||
231a35d3 TB |
1058 | config SNIPROM |
1059 | bool | |
1060 | ||
1da177e4 LT |
1061 | config BOOT_ELF32 |
1062 | bool | |
1da177e4 LT |
1063 | |
1064 | config MIPS_L1_CACHE_SHIFT | |
1065 | int | |
c7088755 | 1066 | default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL |
0db2b74e | 1067 | default "6" if MIPS_CPU_SCACHE |
a86c7f72 | 1068 | default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1069 | default "5" |
1070 | ||
1da177e4 LT |
1071 | config HAVE_STD_PC_SERIAL_PORT |
1072 | bool | |
1073 | ||
1da177e4 LT |
1074 | config ARC_CONSOLE |
1075 | bool "ARC console support" | |
e2defae5 | 1076 | depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) |
1da177e4 LT |
1077 | |
1078 | config ARC_MEMORY | |
1079 | bool | |
14b36af4 | 1080 | depends on MACH_JAZZ || SNI_RM || SGI_IP32 |
1da177e4 LT |
1081 | default y |
1082 | ||
1083 | config ARC_PROMLIB | |
1084 | bool | |
e2defae5 | 1085 | depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 |
1da177e4 LT |
1086 | default y |
1087 | ||
1088 | config ARC64 | |
1089 | bool | |
1da177e4 LT |
1090 | |
1091 | config BOOT_ELF64 | |
1092 | bool | |
1da177e4 | 1093 | |
1da177e4 LT |
1094 | menu "CPU selection" |
1095 | ||
1096 | choice | |
1097 | prompt "CPU type" | |
1098 | default CPU_R4X00 | |
1099 | ||
3702bba5 WZ |
1100 | config CPU_LOONGSON2E |
1101 | bool "Loongson 2E" | |
1102 | depends on SYS_HAS_CPU_LOONGSON2E | |
1103 | select CPU_LOONGSON2 | |
2a21c730 FZ |
1104 | help |
1105 | The Loongson 2E processor implements the MIPS III instruction set | |
1106 | with many extensions. | |
1107 | ||
6f7a251a WZ |
1108 | It has an internal FPGA northbridge, which is compatiable to |
1109 | bonito64. | |
1110 | ||
1111 | config CPU_LOONGSON2F | |
1112 | bool "Loongson 2F" | |
1113 | depends on SYS_HAS_CPU_LOONGSON2F | |
1114 | select CPU_LOONGSON2 | |
c197da91 AP |
1115 | select GENERIC_GPIO |
1116 | select ARCH_REQUIRE_GPIOLIB | |
6f7a251a WZ |
1117 | help |
1118 | The Loongson 2F processor implements the MIPS III instruction set | |
1119 | with many extensions. | |
1120 | ||
1121 | Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller | |
1122 | have a similar programming interface with FPGA northbridge used in | |
1123 | Loongson2E. | |
1124 | ||
6e760c8d RB |
1125 | config CPU_MIPS32_R1 |
1126 | bool "MIPS32 Release 1" | |
7cf8053b | 1127 | depends on SYS_HAS_CPU_MIPS32_R1 |
6e760c8d | 1128 | select CPU_HAS_PREFETCH |
797798c1 | 1129 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1130 | select CPU_SUPPORTS_HIGHMEM |
1e5f1caa | 1131 | help |
5e83d430 | 1132 | Choose this option to build a kernel for release 1 or later of the |
1e5f1caa RB |
1133 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1134 | MIPS processor are based on a MIPS32 processor. If you know the | |
1135 | specific type of processor in your system, choose those that one | |
1136 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1137 | Release 2 of the MIPS32 architecture is available since several | |
1138 | years so chances are you even have a MIPS32 Release 2 processor | |
1139 | in which case you should choose CPU_MIPS32_R2 instead for better | |
1140 | performance. | |
1141 | ||
1142 | config CPU_MIPS32_R2 | |
1143 | bool "MIPS32 Release 2" | |
7cf8053b | 1144 | depends on SYS_HAS_CPU_MIPS32_R2 |
1e5f1caa | 1145 | select CPU_HAS_PREFETCH |
797798c1 | 1146 | select CPU_SUPPORTS_32BIT_KERNEL |
ec28f306 | 1147 | select CPU_SUPPORTS_HIGHMEM |
6e760c8d | 1148 | help |
5e83d430 | 1149 | Choose this option to build a kernel for release 2 or later of the |
6e760c8d RB |
1150 | MIPS32 architecture. Most modern embedded systems with a 32-bit |
1151 | MIPS processor are based on a MIPS32 processor. If you know the | |
1152 | specific type of processor in your system, choose those that one | |
1153 | otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. | |
1154 | ||
1155 | config CPU_MIPS64_R1 | |
1156 | bool "MIPS64 Release 1" | |
7cf8053b | 1157 | depends on SYS_HAS_CPU_MIPS64_R1 |
797798c1 | 1158 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1159 | select CPU_SUPPORTS_32BIT_KERNEL |
1160 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1161 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1162 | select CPU_SUPPORTS_HUGEPAGES |
6e760c8d RB |
1163 | help |
1164 | Choose this option to build a kernel for release 1 or later of the | |
1165 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1166 | MIPS processor are based on a MIPS64 processor. If you know the | |
1167 | specific type of processor in your system, choose those that one | |
1168 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1e5f1caa RB |
1169 | Release 2 of the MIPS64 architecture is available since several |
1170 | years so chances are you even have a MIPS64 Release 2 processor | |
1171 | in which case you should choose CPU_MIPS64_R2 instead for better | |
1172 | performance. | |
1173 | ||
1174 | config CPU_MIPS64_R2 | |
1175 | bool "MIPS64 Release 2" | |
7cf8053b | 1176 | depends on SYS_HAS_CPU_MIPS64_R2 |
797798c1 | 1177 | select CPU_HAS_PREFETCH |
1e5f1caa RB |
1178 | select CPU_SUPPORTS_32BIT_KERNEL |
1179 | select CPU_SUPPORTS_64BIT_KERNEL | |
ec28f306 | 1180 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1181 | select CPU_SUPPORTS_HUGEPAGES |
1e5f1caa RB |
1182 | help |
1183 | Choose this option to build a kernel for release 2 or later of the | |
1184 | MIPS64 architecture. Many modern embedded systems with a 64-bit | |
1185 | MIPS processor are based on a MIPS64 processor. If you know the | |
1186 | specific type of processor in your system, choose those that one | |
1187 | otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. | |
1da177e4 LT |
1188 | |
1189 | config CPU_R3000 | |
1190 | bool "R3000" | |
7cf8053b | 1191 | depends on SYS_HAS_CPU_R3000 |
f7062ddb | 1192 | select CPU_HAS_WB |
ed5ba2fb | 1193 | select CPU_SUPPORTS_32BIT_KERNEL |
797798c1 | 1194 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1195 | help |
1196 | Please make sure to pick the right CPU type. Linux/MIPS is not | |
1197 | designed to be generic, i.e. Kernels compiled for R3000 CPUs will | |
1198 | *not* work on R4000 machines and vice versa. However, since most | |
1199 | of the supported machines have an R4000 (or similar) CPU, R4x00 | |
1200 | might be a safe bet. If the resulting kernel does not work, | |
1201 | try to recompile with R3000. | |
1202 | ||
1203 | config CPU_TX39XX | |
1204 | bool "R39XX" | |
7cf8053b | 1205 | depends on SYS_HAS_CPU_TX39XX |
ed5ba2fb | 1206 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1207 | |
1208 | config CPU_VR41XX | |
1209 | bool "R41xx" | |
7cf8053b | 1210 | depends on SYS_HAS_CPU_VR41XX |
ed5ba2fb YY |
1211 | select CPU_SUPPORTS_32BIT_KERNEL |
1212 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1213 | help |
5e83d430 | 1214 | The options selects support for the NEC VR4100 series of processors. |
1da177e4 LT |
1215 | Only choose this option if you have one of these processors as a |
1216 | kernel built with this option will not run on any other type of | |
1217 | processor or vice versa. | |
1218 | ||
1219 | config CPU_R4300 | |
1220 | bool "R4300" | |
7cf8053b | 1221 | depends on SYS_HAS_CPU_R4300 |
ed5ba2fb YY |
1222 | select CPU_SUPPORTS_32BIT_KERNEL |
1223 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1224 | help |
1225 | MIPS Technologies R4300-series processors. | |
1226 | ||
1227 | config CPU_R4X00 | |
1228 | bool "R4x00" | |
7cf8053b | 1229 | depends on SYS_HAS_CPU_R4X00 |
ed5ba2fb YY |
1230 | select CPU_SUPPORTS_32BIT_KERNEL |
1231 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1232 | help |
1233 | MIPS Technologies R4000-series processors other than 4300, including | |
1234 | the R4000, R4400, R4600, and 4700. | |
1235 | ||
1236 | config CPU_TX49XX | |
1237 | bool "R49XX" | |
7cf8053b | 1238 | depends on SYS_HAS_CPU_TX49XX |
de862b48 | 1239 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1240 | select CPU_SUPPORTS_32BIT_KERNEL |
1241 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1242 | |
1243 | config CPU_R5000 | |
1244 | bool "R5000" | |
7cf8053b | 1245 | depends on SYS_HAS_CPU_R5000 |
ed5ba2fb YY |
1246 | select CPU_SUPPORTS_32BIT_KERNEL |
1247 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1248 | help |
1249 | MIPS Technologies R5000-series processors other than the Nevada. | |
1250 | ||
1251 | config CPU_R5432 | |
1252 | bool "R5432" | |
7cf8053b | 1253 | depends on SYS_HAS_CPU_R5432 |
5e83d430 RB |
1254 | select CPU_SUPPORTS_32BIT_KERNEL |
1255 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 | 1256 | |
542c1020 SK |
1257 | config CPU_R5500 |
1258 | bool "R5500" | |
1259 | depends on SYS_HAS_CPU_R5500 | |
542c1020 SK |
1260 | select CPU_SUPPORTS_32BIT_KERNEL |
1261 | select CPU_SUPPORTS_64BIT_KERNEL | |
9cffd154 | 1262 | select CPU_SUPPORTS_HUGEPAGES |
542c1020 SK |
1263 | help |
1264 | NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV | |
1265 | instruction set. | |
1266 | ||
1da177e4 LT |
1267 | config CPU_R6000 |
1268 | bool "R6000" | |
ed5ba2fb | 1269 | depends on EXPERIMENTAL |
7cf8053b | 1270 | depends on SYS_HAS_CPU_R6000 |
ed5ba2fb | 1271 | select CPU_SUPPORTS_32BIT_KERNEL |
1da177e4 LT |
1272 | help |
1273 | MIPS Technologies R6000 and R6000A series processors. Note these | |
c09b47d8 | 1274 | processors are extremely rare and the support for them is incomplete. |
1da177e4 LT |
1275 | |
1276 | config CPU_NEVADA | |
1277 | bool "RM52xx" | |
7cf8053b | 1278 | depends on SYS_HAS_CPU_NEVADA |
ed5ba2fb YY |
1279 | select CPU_SUPPORTS_32BIT_KERNEL |
1280 | select CPU_SUPPORTS_64BIT_KERNEL | |
1da177e4 LT |
1281 | help |
1282 | QED / PMC-Sierra RM52xx-series ("Nevada") processors. | |
1283 | ||
1284 | config CPU_R8000 | |
1285 | bool "R8000" | |
ed5ba2fb | 1286 | depends on EXPERIMENTAL |
7cf8053b | 1287 | depends on SYS_HAS_CPU_R8000 |
5e83d430 | 1288 | select CPU_HAS_PREFETCH |
ed5ba2fb | 1289 | select CPU_SUPPORTS_64BIT_KERNEL |
1da177e4 LT |
1290 | help |
1291 | MIPS Technologies R8000 processors. Note these processors are | |
1292 | uncommon and the support for them is incomplete. | |
1293 | ||
1294 | config CPU_R10000 | |
1295 | bool "R10000" | |
7cf8053b | 1296 | depends on SYS_HAS_CPU_R10000 |
5e83d430 | 1297 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1298 | select CPU_SUPPORTS_32BIT_KERNEL |
1299 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1300 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1301 | help |
1302 | MIPS Technologies R10000-series processors. | |
1303 | ||
1304 | config CPU_RM7000 | |
1305 | bool "RM7000" | |
7cf8053b | 1306 | depends on SYS_HAS_CPU_RM7000 |
5e83d430 | 1307 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1308 | select CPU_SUPPORTS_32BIT_KERNEL |
1309 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1310 | select CPU_SUPPORTS_HIGHMEM |
1da177e4 LT |
1311 | |
1312 | config CPU_RM9000 | |
1313 | bool "RM9000" | |
7cf8053b | 1314 | depends on SYS_HAS_CPU_RM9000 |
5e83d430 | 1315 | select CPU_HAS_PREFETCH |
ed5ba2fb YY |
1316 | select CPU_SUPPORTS_32BIT_KERNEL |
1317 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1318 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1319 | select WEAK_ORDERING |
1da177e4 LT |
1320 | |
1321 | config CPU_SB1 | |
1322 | bool "SB1" | |
7cf8053b | 1323 | depends on SYS_HAS_CPU_SB1 |
ed5ba2fb YY |
1324 | select CPU_SUPPORTS_32BIT_KERNEL |
1325 | select CPU_SUPPORTS_64BIT_KERNEL | |
797798c1 | 1326 | select CPU_SUPPORTS_HIGHMEM |
0004a9df | 1327 | select WEAK_ORDERING |
1da177e4 | 1328 | |
a86c7f72 DD |
1329 | config CPU_CAVIUM_OCTEON |
1330 | bool "Cavium Octeon processor" | |
5e683389 | 1331 | depends on SYS_HAS_CPU_CAVIUM_OCTEON |
a86c7f72 DD |
1332 | select IRQ_CPU |
1333 | select IRQ_CPU_OCTEON | |
1334 | select CPU_HAS_PREFETCH | |
1335 | select CPU_SUPPORTS_64BIT_KERNEL | |
1336 | select SYS_SUPPORTS_SMP | |
1337 | select NR_CPUS_DEFAULT_16 | |
1338 | select WEAK_ORDERING | |
a86c7f72 | 1339 | select CPU_SUPPORTS_HIGHMEM |
9cffd154 | 1340 | select CPU_SUPPORTS_HUGEPAGES |
a86c7f72 DD |
1341 | help |
1342 | The Cavium Octeon processor is a highly integrated chip containing | |
1343 | many ethernet hardware widgets for networking tasks. The processor | |
1344 | can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. | |
1345 | Full details can be found at http://www.caviumnetworks.com. | |
1346 | ||
c1c0c461 KC |
1347 | config CPU_BMIPS3300 |
1348 | bool "BMIPS3300" | |
1349 | depends on SYS_HAS_CPU_BMIPS3300 | |
1350 | select DMA_NONCOHERENT | |
1351 | select IRQ_CPU | |
1352 | select SWAP_IO_SPACE | |
1353 | select SYS_SUPPORTS_32BIT_KERNEL | |
1354 | select WEAK_ORDERING | |
1355 | help | |
1356 | Broadcom BMIPS3300 processors. | |
1357 | ||
1358 | config CPU_BMIPS4350 | |
1359 | bool "BMIPS4350" | |
1360 | depends on SYS_HAS_CPU_BMIPS4350 | |
1361 | select CPU_SUPPORTS_32BIT_KERNEL | |
1362 | select DMA_NONCOHERENT | |
1363 | select IRQ_CPU | |
1364 | select SWAP_IO_SPACE | |
1365 | select SYS_SUPPORTS_SMP | |
1366 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1367 | select WEAK_ORDERING | |
1368 | help | |
1369 | Broadcom BMIPS4350 ("VIPER") processors. | |
1370 | ||
1371 | config CPU_BMIPS4380 | |
1372 | bool "BMIPS4380" | |
1373 | depends on SYS_HAS_CPU_BMIPS4380 | |
1374 | select CPU_SUPPORTS_32BIT_KERNEL | |
1375 | select DMA_NONCOHERENT | |
1376 | select IRQ_CPU | |
1377 | select SWAP_IO_SPACE | |
1378 | select SYS_SUPPORTS_SMP | |
1379 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1380 | select WEAK_ORDERING | |
1381 | help | |
1382 | Broadcom BMIPS4380 processors. | |
1383 | ||
1384 | config CPU_BMIPS5000 | |
1385 | bool "BMIPS5000" | |
1386 | depends on SYS_HAS_CPU_BMIPS5000 | |
1387 | select CPU_SUPPORTS_32BIT_KERNEL | |
1388 | select CPU_SUPPORTS_HIGHMEM | |
1389 | select DMA_NONCOHERENT | |
1390 | select IRQ_CPU | |
1391 | select SWAP_IO_SPACE | |
1392 | select SYS_SUPPORTS_SMP | |
1393 | select SYS_SUPPORTS_HOTPLUG_CPU | |
1394 | select WEAK_ORDERING | |
1395 | help | |
1396 | Broadcom BMIPS5000 processors. | |
1397 | ||
1da177e4 LT |
1398 | endchoice |
1399 | ||
622844bf WZ |
1400 | if CPU_LOONGSON2F |
1401 | config CPU_NOP_WORKAROUNDS | |
1402 | bool | |
1403 | ||
1404 | config CPU_JUMP_WORKAROUNDS | |
1405 | bool | |
1406 | ||
1407 | config CPU_LOONGSON2F_WORKAROUNDS | |
1408 | bool "Loongson 2F Workarounds" | |
1409 | default y | |
1410 | select CPU_NOP_WORKAROUNDS | |
1411 | select CPU_JUMP_WORKAROUNDS | |
1412 | help | |
1413 | Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which | |
1414 | require workarounds. Without workarounds the system may hang | |
1415 | unexpectedly. For more information please refer to the gas | |
1416 | -mfix-loongson2f-nop and -mfix-loongson2f-jump options. | |
1417 | ||
1418 | Loongson 2F03 and later have fixed these issues and no workarounds | |
1419 | are needed. The workarounds have no significant side effect on them | |
1420 | but may decrease the performance of the system so this option should | |
1421 | be disabled unless the kernel is intended to be run on 2F01 or 2F02 | |
1422 | systems. | |
1423 | ||
1424 | If unsure, please say Y. | |
1425 | endif # CPU_LOONGSON2F | |
1426 | ||
1b93b3c3 WZ |
1427 | config SYS_SUPPORTS_ZBOOT |
1428 | bool | |
1429 | select HAVE_KERNEL_GZIP | |
1430 | select HAVE_KERNEL_BZIP2 | |
1431 | select HAVE_KERNEL_LZMA | |
fe1d45e0 | 1432 | select HAVE_KERNEL_LZO |
1b93b3c3 WZ |
1433 | |
1434 | config SYS_SUPPORTS_ZBOOT_UART16550 | |
1435 | bool | |
1436 | select SYS_SUPPORTS_ZBOOT | |
1437 | ||
3702bba5 WZ |
1438 | config CPU_LOONGSON2 |
1439 | bool | |
1440 | select CPU_SUPPORTS_32BIT_KERNEL | |
1441 | select CPU_SUPPORTS_64BIT_KERNEL | |
1442 | select CPU_SUPPORTS_HIGHMEM | |
1443 | ||
1444 | config SYS_HAS_CPU_LOONGSON2E | |
2a21c730 FZ |
1445 | bool |
1446 | ||
6f7a251a WZ |
1447 | config SYS_HAS_CPU_LOONGSON2F |
1448 | bool | |
55045ff5 WZ |
1449 | select CPU_SUPPORTS_CPUFREQ |
1450 | select CPU_SUPPORTS_ADDRWINCFG if 64BIT | |
22f1fdfd | 1451 | select CPU_SUPPORTS_UNCACHED_ACCELERATED |
6f7a251a | 1452 | |
7cf8053b RB |
1453 | config SYS_HAS_CPU_MIPS32_R1 |
1454 | bool | |
1455 | ||
1456 | config SYS_HAS_CPU_MIPS32_R2 | |
1457 | bool | |
1458 | ||
1459 | config SYS_HAS_CPU_MIPS64_R1 | |
1460 | bool | |
1461 | ||
1462 | config SYS_HAS_CPU_MIPS64_R2 | |
1463 | bool | |
1464 | ||
1465 | config SYS_HAS_CPU_R3000 | |
1466 | bool | |
1467 | ||
1468 | config SYS_HAS_CPU_TX39XX | |
1469 | bool | |
1470 | ||
1471 | config SYS_HAS_CPU_VR41XX | |
1472 | bool | |
1473 | ||
1474 | config SYS_HAS_CPU_R4300 | |
1475 | bool | |
1476 | ||
1477 | config SYS_HAS_CPU_R4X00 | |
1478 | bool | |
1479 | ||
1480 | config SYS_HAS_CPU_TX49XX | |
1481 | bool | |
1482 | ||
1483 | config SYS_HAS_CPU_R5000 | |
1484 | bool | |
1485 | ||
1486 | config SYS_HAS_CPU_R5432 | |
1487 | bool | |
1488 | ||
542c1020 SK |
1489 | config SYS_HAS_CPU_R5500 |
1490 | bool | |
1491 | ||
7cf8053b RB |
1492 | config SYS_HAS_CPU_R6000 |
1493 | bool | |
1494 | ||
1495 | config SYS_HAS_CPU_NEVADA | |
1496 | bool | |
1497 | ||
1498 | config SYS_HAS_CPU_R8000 | |
1499 | bool | |
1500 | ||
1501 | config SYS_HAS_CPU_R10000 | |
1502 | bool | |
1503 | ||
1504 | config SYS_HAS_CPU_RM7000 | |
1505 | bool | |
1506 | ||
1507 | config SYS_HAS_CPU_RM9000 | |
1508 | bool | |
1509 | ||
1510 | config SYS_HAS_CPU_SB1 | |
1511 | bool | |
1512 | ||
5e683389 DD |
1513 | config SYS_HAS_CPU_CAVIUM_OCTEON |
1514 | bool | |
1515 | ||
c1c0c461 KC |
1516 | config SYS_HAS_CPU_BMIPS3300 |
1517 | bool | |
1518 | ||
1519 | config SYS_HAS_CPU_BMIPS4350 | |
1520 | bool | |
1521 | ||
1522 | config SYS_HAS_CPU_BMIPS4380 | |
1523 | bool | |
1524 | ||
1525 | config SYS_HAS_CPU_BMIPS5000 | |
1526 | bool | |
1527 | ||
17099b11 RB |
1528 | # |
1529 | # CPU may reorder R->R, R->W, W->R, W->W | |
1530 | # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC | |
1531 | # | |
0004a9df RB |
1532 | config WEAK_ORDERING |
1533 | bool | |
17099b11 RB |
1534 | |
1535 | # | |
1536 | # CPU may reorder reads and writes beyond LL/SC | |
1537 | # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC | |
1538 | # | |
1539 | config WEAK_REORDERING_BEYOND_LLSC | |
1540 | bool | |
5e83d430 RB |
1541 | endmenu |
1542 | ||
1543 | # | |
c09b47d8 | 1544 | # These two indicate any level of the MIPS32 and MIPS64 architecture |
5e83d430 RB |
1545 | # |
1546 | config CPU_MIPS32 | |
1547 | bool | |
1548 | default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 | |
1549 | ||
1550 | config CPU_MIPS64 | |
1551 | bool | |
1552 | default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 | |
1553 | ||
1554 | # | |
c09b47d8 | 1555 | # These two indicate the revision of the architecture, either Release 1 or Release 2 |
5e83d430 RB |
1556 | # |
1557 | config CPU_MIPSR1 | |
1558 | bool | |
1559 | default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 | |
1560 | ||
1561 | config CPU_MIPSR2 | |
1562 | bool | |
a86c7f72 | 1563 | default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON |
5e83d430 RB |
1564 | |
1565 | config SYS_SUPPORTS_32BIT_KERNEL | |
1566 | bool | |
1567 | config SYS_SUPPORTS_64BIT_KERNEL | |
1568 | bool | |
1569 | config CPU_SUPPORTS_32BIT_KERNEL | |
1570 | bool | |
1571 | config CPU_SUPPORTS_64BIT_KERNEL | |
1572 | bool | |
55045ff5 WZ |
1573 | config CPU_SUPPORTS_CPUFREQ |
1574 | bool | |
1575 | config CPU_SUPPORTS_ADDRWINCFG | |
1576 | bool | |
9cffd154 DD |
1577 | config CPU_SUPPORTS_HUGEPAGES |
1578 | bool | |
22f1fdfd WZ |
1579 | config CPU_SUPPORTS_UNCACHED_ACCELERATED |
1580 | bool | |
82622284 DD |
1581 | config MIPS_PGD_C0_CONTEXT |
1582 | bool | |
1583 | default y if 64BIT && CPU_MIPSR2 | |
5e83d430 | 1584 | |
8192c9ea DD |
1585 | # |
1586 | # Set to y for ptrace access to watch registers. | |
1587 | # | |
1588 | config HARDWARE_WATCHPOINTS | |
1589 | bool | |
f839490a | 1590 | default y if CPU_MIPSR1 || CPU_MIPSR2 |
8192c9ea | 1591 | |
5e83d430 RB |
1592 | menu "Kernel type" |
1593 | ||
1594 | choice | |
1595 | ||
1596 | prompt "Kernel code model" | |
1597 | help | |
1598 | You should only select this option if you have a workload that | |
1599 | actually benefits from 64-bit processing or if your machine has | |
1600 | large memory. You will only be presented a single option in this | |
1601 | menu if your system does not support both 32-bit and 64-bit kernels. | |
1602 | ||
1603 | config 32BIT | |
1604 | bool "32-bit kernel" | |
1605 | depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL | |
1606 | select TRAD_SIGNALS | |
1607 | help | |
1608 | Select this option if you want to build a 32-bit kernel. | |
1609 | config 64BIT | |
1610 | bool "64-bit kernel" | |
1611 | depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL | |
dbda6ac0 | 1612 | select HAVE_SYSCALL_WRAPPERS |
5e83d430 RB |
1613 | help |
1614 | Select this option if you want to build a 64-bit kernel. | |
1615 | ||
1616 | endchoice | |
1617 | ||
1da177e4 LT |
1618 | choice |
1619 | prompt "Kernel page size" | |
1620 | default PAGE_SIZE_4KB | |
1621 | ||
1622 | config PAGE_SIZE_4KB | |
1623 | bool "4kB" | |
315fe625 | 1624 | depends on !CPU_LOONGSON2 |
1da177e4 LT |
1625 | help |
1626 | This option select the standard 4kB Linux page size. On some | |
1627 | R3000-family processors this is the only available page size. Using | |
1628 | 4kB page size will minimize memory consumption and is therefore | |
1629 | recommended for low memory systems. | |
1630 | ||
1631 | config PAGE_SIZE_8KB | |
1632 | bool "8kB" | |
c52399be | 1633 | depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON |
1da177e4 LT |
1634 | help |
1635 | Using 8kB page size will result in higher performance kernel at | |
1636 | the price of higher memory consumption. This option is available | |
c52399be RB |
1637 | only on R8000 and cnMIPS processors. Note that you will need a |
1638 | suitable Linux distribution to support this. | |
1da177e4 LT |
1639 | |
1640 | config PAGE_SIZE_16KB | |
1641 | bool "16kB" | |
714bfad6 | 1642 | depends on !CPU_R3000 && !CPU_TX39XX |
1da177e4 LT |
1643 | help |
1644 | Using 16kB page size will result in higher performance kernel at | |
1645 | the price of higher memory consumption. This option is available on | |
714bfad6 RB |
1646 | all non-R3000 family processors. Note that you will need a suitable |
1647 | Linux distribution to support this. | |
1da177e4 | 1648 | |
c52399be RB |
1649 | config PAGE_SIZE_32KB |
1650 | bool "32kB" | |
1651 | depends on CPU_CAVIUM_OCTEON | |
1652 | help | |
1653 | Using 32kB page size will result in higher performance kernel at | |
1654 | the price of higher memory consumption. This option is available | |
1655 | only on cnMIPS cores. Note that you will need a suitable Linux | |
1656 | distribution to support this. | |
1657 | ||
1da177e4 LT |
1658 | config PAGE_SIZE_64KB |
1659 | bool "64kB" | |
1660 | depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX | |
1661 | help | |
1662 | Using 64kB page size will result in higher performance kernel at | |
1663 | the price of higher memory consumption. This option is available on | |
1664 | all non-R3000 family processor. Not that at the time of this | |
714bfad6 | 1665 | writing this option is still high experimental. |
1da177e4 LT |
1666 | |
1667 | endchoice | |
1668 | ||
c9bace7c DD |
1669 | config FORCE_MAX_ZONEORDER |
1670 | int "Maximum zone order" | |
1671 | range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB | |
1672 | default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB | |
1673 | range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB | |
1674 | default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB | |
1675 | range 11 64 | |
1676 | default "11" | |
1677 | help | |
1678 | The kernel memory allocator divides physically contiguous memory | |
1679 | blocks into "zones", where each zone is a power of two number of | |
1680 | pages. This option selects the largest power of two that the kernel | |
1681 | keeps in the memory allocator. If you need to allocate very large | |
1682 | blocks of physically contiguous memory, then you may need to | |
1683 | increase this value. | |
1684 | ||
1685 | This config option is actually maximum order plus one. For example, | |
1686 | a value of 11 means that the largest free memory block is 2^10 pages. | |
1687 | ||
1688 | The page size is not necessarily 4KB. Keep this in mind | |
1689 | when choosing a value for this option. | |
1690 | ||
1da177e4 LT |
1691 | config BOARD_SCACHE |
1692 | bool | |
1693 | ||
1694 | config IP22_CPU_SCACHE | |
1695 | bool | |
1696 | select BOARD_SCACHE | |
1697 | ||
9318c51a CD |
1698 | # |
1699 | # Support for a MIPS32 / MIPS64 style S-caches | |
1700 | # | |
1701 | config MIPS_CPU_SCACHE | |
1702 | bool | |
1703 | select BOARD_SCACHE | |
1704 | ||
1da177e4 LT |
1705 | config R5000_CPU_SCACHE |
1706 | bool | |
1707 | select BOARD_SCACHE | |
1708 | ||
1709 | config RM7000_CPU_SCACHE | |
1710 | bool | |
1711 | select BOARD_SCACHE | |
1712 | ||
1713 | config SIBYTE_DMA_PAGEOPS | |
1714 | bool "Use DMA to clear/copy pages" | |
1715 | depends on CPU_SB1 | |
1716 | help | |
1717 | Instead of using the CPU to zero and copy pages, use a Data Mover | |
1718 | channel. These DMA channels are otherwise unused by the standard | |
1719 | SiByte Linux port. Seems to give a small performance benefit. | |
1720 | ||
1721 | config CPU_HAS_PREFETCH | |
c8094b53 | 1722 | bool |
1da177e4 | 1723 | |
340ee4b9 RB |
1724 | choice |
1725 | prompt "MIPS MT options" | |
f41ae0b2 RB |
1726 | |
1727 | config MIPS_MT_DISABLED | |
1728 | bool "Disable multithreading support." | |
1729 | help | |
1730 | Use this option if your workload can't take advantage of | |
1731 | MIPS hardware multithreading support. On systems that don't have | |
1732 | the option of an MT-enabled processor this option will be the only | |
1733 | option in this menu. | |
340ee4b9 | 1734 | |
59d6ab86 RB |
1735 | config MIPS_MT_SMP |
1736 | bool "Use 1 TC on each available VPE for SMP" | |
f41ae0b2 | 1737 | depends on SYS_SUPPORTS_MULTITHREADING |
f7062ddb | 1738 | select CPU_MIPSR2_IRQ_VI |
d725cf38 | 1739 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1740 | select MIPS_MT |
f510aa3b | 1741 | select NR_CPUS_DEFAULT_2 |
41c594ab | 1742 | select SMP |
0ab7aefc | 1743 | select SYS_SUPPORTS_SCHED_SMT if SMP |
73b76c78 | 1744 | select SYS_SUPPORTS_SMP |
87353d8a | 1745 | select SMP_UP |
f41ae0b2 | 1746 | help |
25f12b33 RB |
1747 | This is a kernel model which is known a VSMP but lately has been |
1748 | marketesed into SMVP. | |
1749 | Virtual SMP uses the processor's VPEs to implement virtual | |
1750 | processors. In currently available configuration of the 34K processor | |
1751 | this allows for a dual processor. Both processors will share the same | |
1752 | primary caches; each will obtain the half of the TLB for it's own | |
1753 | exclusive use. For a layman this model can be described as similar to | |
1754 | what Intel calls Hyperthreading. | |
1755 | ||
1756 | For further information see http://www.linux-mips.org/wiki/34K#VSMP | |
41c594ab | 1757 | |
59d6ab86 RB |
1758 | config MIPS_MT_SMTC |
1759 | bool "SMTC: Use all TCs on all VPEs for SMP" | |
1760 | depends on CPU_MIPS32_R2 | |
1761 | #depends on CPU_MIPS64_R2 # once there is hardware ... | |
f41ae0b2 RB |
1762 | depends on SYS_SUPPORTS_MULTITHREADING |
1763 | select CPU_MIPSR2_IRQ_VI | |
d725cf38 | 1764 | select CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1765 | select MIPS_MT |
130e2fb7 | 1766 | select NR_CPUS_DEFAULT_8 |
340ee4b9 | 1767 | select SMP |
73b76c78 | 1768 | select SYS_SUPPORTS_SMP |
87353d8a | 1769 | select SMP_UP |
f41ae0b2 | 1770 | help |
59d6ab86 RB |
1771 | This is a kernel model which is known a SMTC or lately has been |
1772 | marketesed into SMVP. | |
25f12b33 RB |
1773 | is presenting the available TC's of the core as processors to Linux. |
1774 | On currently available 34K processors this means a Linux system will | |
1775 | see up to 5 processors. The implementation of the SMTC kernel differs | |
1776 | significantly from VSMP and cannot efficiently coexist in the same | |
1777 | kernel binary so the choice between VSMP and SMTC is a compile time | |
1778 | decision. | |
1779 | ||
1780 | For further information see http://www.linux-mips.org/wiki/34K#SMTC | |
340ee4b9 | 1781 | |
340ee4b9 RB |
1782 | endchoice |
1783 | ||
f41ae0b2 RB |
1784 | config MIPS_MT |
1785 | bool | |
1786 | ||
0ab7aefc RB |
1787 | config SCHED_SMT |
1788 | bool "SMT (multithreading) scheduler support" | |
1789 | depends on SYS_SUPPORTS_SCHED_SMT | |
1790 | default n | |
1791 | help | |
1792 | SMT scheduler support improves the CPU scheduler's decision making | |
1793 | when dealing with MIPS MT enabled cores at a cost of slightly | |
1794 | increased overhead in some places. If unsure say N here. | |
1795 | ||
1796 | config SYS_SUPPORTS_SCHED_SMT | |
1797 | bool | |
1798 | ||
1799 | ||
f41ae0b2 RB |
1800 | config SYS_SUPPORTS_MULTITHREADING |
1801 | bool | |
1802 | ||
f088fc84 RB |
1803 | config MIPS_MT_FPAFF |
1804 | bool "Dynamic FPU affinity for FP-intensive threads" | |
f088fc84 | 1805 | default y |
07cc0c9e RB |
1806 | depends on MIPS_MT_SMP || MIPS_MT_SMTC |
1807 | ||
1808 | config MIPS_VPE_LOADER | |
1809 | bool "VPE loader support." | |
1810 | depends on SYS_SUPPORTS_MULTITHREADING | |
1811 | select CPU_MIPSR2_IRQ_VI | |
1812 | select CPU_MIPSR2_IRQ_EI | |
07cc0c9e RB |
1813 | select MIPS_MT |
1814 | help | |
1815 | Includes a loader for loading an elf relocatable object | |
1816 | onto another VPE and running it. | |
f088fc84 | 1817 | |
0db34215 KK |
1818 | config MIPS_MT_SMTC_IM_BACKSTOP |
1819 | bool "Use per-TC register bits as backstop for inhibited IM bits" | |
1820 | depends on MIPS_MT_SMTC | |
8531a35e | 1821 | default n |
0db34215 KK |
1822 | help |
1823 | To support multiple TC microthreads acting as "CPUs" within | |
1824 | a VPE, VPE-wide interrupt mask bits must be specially manipulated | |
1825 | during interrupt handling. To support legacy drivers and interrupt | |
1826 | controller management code, SMTC has a "backstop" to track and | |
1827 | if necessary restore the interrupt mask. This has some performance | |
8531a35e | 1828 | impact on interrupt service overhead. |
0db34215 | 1829 | |
f571eff0 KK |
1830 | config MIPS_MT_SMTC_IRQAFF |
1831 | bool "Support IRQ affinity API" | |
1832 | depends on MIPS_MT_SMTC | |
1833 | default n | |
1834 | help | |
1835 | Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) | |
1836 | for SMTC Linux kernel. Requires platform support, of which | |
1837 | an example can be found in the MIPS kernel i8259 and Malta | |
8531a35e KK |
1838 | platform code. Adds some overhead to interrupt dispatch, and |
1839 | should be used only if you know what you are doing. | |
f571eff0 | 1840 | |
e01402b1 RB |
1841 | config MIPS_VPE_LOADER_TOM |
1842 | bool "Load VPE program into memory hidden from linux" | |
1843 | depends on MIPS_VPE_LOADER | |
1844 | default y | |
1845 | help | |
1846 | The loader can use memory that is present but has been hidden from | |
1847 | Linux using the kernel command line option "mem=xxMB". It's up to | |
1848 | you to ensure the amount you put in the option and the space your | |
1849 | program requires is less or equal to the amount physically present. | |
1850 | ||
1851 | # this should possibly be in drivers/char, but it is rather cpu related. Hmmm | |
1852 | config MIPS_VPE_APSP_API | |
5e83d430 RB |
1853 | bool "Enable support for AP/SP API (RTLX)" |
1854 | depends on MIPS_VPE_LOADER | |
1855 | help | |
e01402b1 | 1856 | |
2600990e RB |
1857 | config MIPS_APSP_KSPD |
1858 | bool "Enable KSPD" | |
1859 | depends on MIPS_VPE_APSP_API | |
1860 | default y | |
1861 | help | |
1862 | KSPD is a kernel daemon that accepts syscall requests from the SP | |
1863 | side, actions them and returns the results. It also handles the | |
1864 | "exit" syscall notifying other kernel modules the SP program is | |
1865 | exiting. You probably want to say yes here. | |
1866 | ||
4a16ff4c RB |
1867 | config MIPS_CMP |
1868 | bool "MIPS CMP framework support" | |
1869 | depends on SYS_SUPPORTS_MIPS_CMP | |
eb9b5141 | 1870 | select SYNC_R4K |
4a16ff4c RB |
1871 | select SYS_SUPPORTS_SMP |
1872 | select SYS_SUPPORTS_SCHED_SMT if SMP | |
1873 | select WEAK_ORDERING | |
1874 | default n | |
1875 | help | |
1876 | This is a placeholder option for the GCMP work. It will need to | |
1877 | be handled differently... | |
1878 | ||
1da177e4 LT |
1879 | config SB1_PASS_1_WORKAROUNDS |
1880 | bool | |
1881 | depends on CPU_SB1_PASS_1 | |
1882 | default y | |
1883 | ||
1884 | config SB1_PASS_2_WORKAROUNDS | |
1885 | bool | |
1886 | depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) | |
1887 | default y | |
1888 | ||
1889 | config SB1_PASS_2_1_WORKAROUNDS | |
1890 | bool | |
1891 | depends on CPU_SB1 && CPU_SB1_PASS_2 | |
1892 | default y | |
1893 | ||
1894 | config 64BIT_PHYS_ADDR | |
d806cb2b | 1895 | bool |
1da177e4 | 1896 | |
60ec6571 | 1897 | config ARCH_PHYS_ADDR_T_64BIT |
1898 | def_bool 64BIT_PHYS_ADDR | |
1899 | ||
9693a853 FBH |
1900 | config CPU_HAS_SMARTMIPS |
1901 | depends on SYS_SUPPORTS_SMARTMIPS | |
1902 | bool "Support for the SmartMIPS ASE" | |
1903 | help | |
1904 | SmartMIPS is a extension of the MIPS32 architecture aimed at | |
1905 | increased security at both hardware and software level for | |
1906 | smartcards. Enabling this option will allow proper use of the | |
1907 | SmartMIPS instructions by Linux applications. However a kernel with | |
1908 | this option will not work on a MIPS core without SmartMIPS core. If | |
1909 | you don't know you probably don't have SmartMIPS and should say N | |
1910 | here. | |
1911 | ||
1da177e4 | 1912 | config CPU_HAS_WB |
f7062ddb | 1913 | bool |
e01402b1 | 1914 | |
f41ae0b2 RB |
1915 | # |
1916 | # Vectored interrupt mode is an R2 feature | |
1917 | # | |
e01402b1 | 1918 | config CPU_MIPSR2_IRQ_VI |
f41ae0b2 | 1919 | bool |
e01402b1 | 1920 | |
f41ae0b2 RB |
1921 | # |
1922 | # Extended interrupt mode is an R2 feature | |
1923 | # | |
e01402b1 | 1924 | config CPU_MIPSR2_IRQ_EI |
f41ae0b2 | 1925 | bool |
e01402b1 | 1926 | |
1da177e4 LT |
1927 | config CPU_HAS_SYNC |
1928 | bool | |
1929 | depends on !CPU_R3000 | |
1930 | default y | |
1931 | ||
ea580401 RB |
1932 | config GENERIC_CLOCKEVENTS_BROADCAST |
1933 | bool | |
1934 | ||
20d60d99 MR |
1935 | # |
1936 | # CPU non-features | |
1937 | # | |
1938 | config CPU_DADDI_WORKAROUNDS | |
1939 | bool | |
1940 | ||
1941 | config CPU_R4000_WORKAROUNDS | |
1942 | bool | |
1943 | select CPU_R4400_WORKAROUNDS | |
1944 | ||
1945 | config CPU_R4400_WORKAROUNDS | |
1946 | bool | |
1947 | ||
1da177e4 LT |
1948 | # |
1949 | # - Highmem only makes sense for the 32-bit kernel. | |
1950 | # - The current highmem code will only work properly on physically indexed | |
1951 | # caches such as R3000, SB1, R7000 or those that look like they're virtually | |
1952 | # indexed such as R4000/R4400 SC and MC versions or R10000. So for the | |
1953 | # moment we protect the user and offer the highmem option only on machines | |
1954 | # where it's known to be safe. This will not offer highmem on a few systems | |
1955 | # such as MIPS32 and MIPS64 CPUs which may have virtual and physically | |
1956 | # indexed CPUs but we're playing safe. | |
797798c1 RB |
1957 | # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we |
1958 | # know they might have memory configurations that could make use of highmem | |
1959 | # support. | |
1da177e4 LT |
1960 | # |
1961 | config HIGHMEM | |
1962 | bool "High Memory Support" | |
797798c1 RB |
1963 | depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM |
1964 | ||
1965 | config CPU_SUPPORTS_HIGHMEM | |
1966 | bool | |
1967 | ||
1968 | config SYS_SUPPORTS_HIGHMEM | |
1969 | bool | |
1da177e4 | 1970 | |
9693a853 FBH |
1971 | config SYS_SUPPORTS_SMARTMIPS |
1972 | bool | |
1973 | ||
b4819b59 YY |
1974 | config ARCH_FLATMEM_ENABLE |
1975 | def_bool y | |
f133f22d | 1976 | depends on !NUMA && !CPU_LOONGSON2 |
b4819b59 | 1977 | |
d8cb4e11 RB |
1978 | config ARCH_DISCONTIGMEM_ENABLE |
1979 | bool | |
1980 | default y if SGI_IP27 | |
1981 | help | |
3dde6ad8 | 1982 | Say Y to support efficient handling of discontiguous physical memory, |
d8cb4e11 RB |
1983 | for architectures which are either NUMA (Non-Uniform Memory Access) |
1984 | or have huge holes in the physical address space for other reasons. | |
1985 | See <file:Documentation/vm/numa> for more. | |
1986 | ||
cce335ae RB |
1987 | config ARCH_POPULATES_NODE_MAP |
1988 | def_bool y | |
1989 | ||
31473747 AN |
1990 | config ARCH_SPARSEMEM_ENABLE |
1991 | bool | |
7de58fab | 1992 | select SPARSEMEM_STATIC |
31473747 | 1993 | |
d8cb4e11 RB |
1994 | config NUMA |
1995 | bool "NUMA Support" | |
1996 | depends on SYS_SUPPORTS_NUMA | |
1997 | help | |
1998 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
1999 | Access). This option improves performance on systems with more | |
2000 | than two nodes; on two node systems it is generally better to | |
2001 | leave it disabled; on single node systems disable this option | |
2002 | disabled. | |
2003 | ||
2004 | config SYS_SUPPORTS_NUMA | |
2005 | bool | |
2006 | ||
c80d79d7 YG |
2007 | config NODES_SHIFT |
2008 | int | |
2009 | default "6" | |
2010 | depends on NEED_MULTIPLE_NODES | |
2011 | ||
14f70012 DCZ |
2012 | config HW_PERF_EVENTS |
2013 | bool "Enable hardware performance counter support for perf events" | |
2014 | depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32 | |
2015 | default y | |
2016 | help | |
2017 | Enable hardware performance counter support for perf events. If | |
2018 | disabled, perf events will use software events only. | |
2019 | ||
b4819b59 YY |
2020 | source "mm/Kconfig" |
2021 | ||
1da177e4 LT |
2022 | config SMP |
2023 | bool "Multi-Processing support" | |
e73ea273 | 2024 | depends on SYS_SUPPORTS_SMP |
b4b30a5a | 2025 | select IRQ_PER_CPU |
2f304c0a | 2026 | select USE_GENERIC_SMP_HELPERS |
e73ea273 | 2027 | help |
1da177e4 LT |
2028 | This enables support for systems with more than one CPU. If you have |
2029 | a system with only one CPU, like most personal computers, say N. If | |
2030 | you have a system with more than one CPU, say Y. | |
2031 | ||
2032 | If you say N here, the kernel will run on single and multiprocessor | |
2033 | machines, but will use only one CPU of a multiprocessor machine. If | |
2034 | you say Y here, the kernel will run on many, but not all, | |
2035 | singleprocessor machines. On a singleprocessor machine, the kernel | |
2036 | will run faster if you say N here. | |
2037 | ||
2038 | People using multiprocessor machines who say Y here should also say | |
2039 | Y to "Enhanced Real Time Clock Support", below. | |
2040 | ||
03502faa AB |
2041 | See also the SMP-HOWTO available at |
2042 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
2043 | |
2044 | If you don't know what to do here, say N. | |
2045 | ||
87353d8a RB |
2046 | config SMP_UP |
2047 | bool | |
2048 | ||
4a16ff4c RB |
2049 | config SYS_SUPPORTS_MIPS_CMP |
2050 | bool | |
2051 | ||
e73ea273 RB |
2052 | config SYS_SUPPORTS_SMP |
2053 | bool | |
2054 | ||
72ede9b1 AN |
2055 | config NR_CPUS_DEFAULT_1 |
2056 | bool | |
2057 | ||
130e2fb7 RB |
2058 | config NR_CPUS_DEFAULT_2 |
2059 | bool | |
2060 | ||
2061 | config NR_CPUS_DEFAULT_4 | |
2062 | bool | |
2063 | ||
2064 | config NR_CPUS_DEFAULT_8 | |
2065 | bool | |
2066 | ||
2067 | config NR_CPUS_DEFAULT_16 | |
2068 | bool | |
2069 | ||
2070 | config NR_CPUS_DEFAULT_32 | |
2071 | bool | |
2072 | ||
2073 | config NR_CPUS_DEFAULT_64 | |
2074 | bool | |
2075 | ||
1da177e4 LT |
2076 | config NR_CPUS |
2077 | int "Maximum number of CPUs (2-64)" | |
72ede9b1 | 2078 | range 1 64 if NR_CPUS_DEFAULT_1 |
1da177e4 | 2079 | depends on SMP |
72ede9b1 | 2080 | default "1" if NR_CPUS_DEFAULT_1 |
130e2fb7 RB |
2081 | default "2" if NR_CPUS_DEFAULT_2 |
2082 | default "4" if NR_CPUS_DEFAULT_4 | |
2083 | default "8" if NR_CPUS_DEFAULT_8 | |
2084 | default "16" if NR_CPUS_DEFAULT_16 | |
2085 | default "32" if NR_CPUS_DEFAULT_32 | |
2086 | default "64" if NR_CPUS_DEFAULT_64 | |
1da177e4 LT |
2087 | help |
2088 | This allows you to specify the maximum number of CPUs which this | |
2089 | kernel will support. The maximum supported value is 32 for 32-bit | |
2090 | kernel and 64 for 64-bit kernels; the minimum value which makes | |
72ede9b1 AN |
2091 | sense is 1 for Qemu (useful only for kernel debugging purposes) |
2092 | and 2 for all others. | |
1da177e4 LT |
2093 | |
2094 | This is purely to save memory - each supported CPU adds | |
72ede9b1 AN |
2095 | approximately eight kilobytes to the kernel image. For best |
2096 | performance should round up your number of processors to the next | |
2097 | power of two. | |
1da177e4 | 2098 | |
c4eee283 AN |
2099 | source "kernel/time/Kconfig" |
2100 | ||
1723b4a3 AN |
2101 | # |
2102 | # Timer Interrupt Frequency Configuration | |
2103 | # | |
2104 | ||
2105 | choice | |
2106 | prompt "Timer frequency" | |
2107 | default HZ_250 | |
2108 | help | |
2109 | Allows the configuration of the timer frequency. | |
2110 | ||
2111 | config HZ_48 | |
0f873585 | 2112 | bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ |
1723b4a3 AN |
2113 | |
2114 | config HZ_100 | |
2115 | bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ | |
2116 | ||
2117 | config HZ_128 | |
2118 | bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ | |
2119 | ||
2120 | config HZ_250 | |
2121 | bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ | |
2122 | ||
2123 | config HZ_256 | |
2124 | bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ | |
2125 | ||
2126 | config HZ_1000 | |
2127 | bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ | |
2128 | ||
2129 | config HZ_1024 | |
2130 | bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ | |
2131 | ||
2132 | endchoice | |
2133 | ||
2134 | config SYS_SUPPORTS_48HZ | |
2135 | bool | |
2136 | ||
2137 | config SYS_SUPPORTS_100HZ | |
2138 | bool | |
2139 | ||
2140 | config SYS_SUPPORTS_128HZ | |
2141 | bool | |
2142 | ||
2143 | config SYS_SUPPORTS_250HZ | |
2144 | bool | |
2145 | ||
2146 | config SYS_SUPPORTS_256HZ | |
2147 | bool | |
2148 | ||
2149 | config SYS_SUPPORTS_1000HZ | |
2150 | bool | |
2151 | ||
2152 | config SYS_SUPPORTS_1024HZ | |
2153 | bool | |
2154 | ||
2155 | config SYS_SUPPORTS_ARBIT_HZ | |
2156 | bool | |
2157 | default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ | |
2158 | !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ | |
2159 | !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ | |
2160 | !SYS_SUPPORTS_1024HZ | |
2161 | ||
2162 | config HZ | |
2163 | int | |
2164 | default 48 if HZ_48 | |
2165 | default 100 if HZ_100 | |
2166 | default 128 if HZ_128 | |
2167 | default 250 if HZ_250 | |
2168 | default 256 if HZ_256 | |
2169 | default 1000 if HZ_1000 | |
2170 | default 1024 if HZ_1024 | |
2171 | ||
e80de850 | 2172 | source "kernel/Kconfig.preempt" |
1da177e4 | 2173 | |
1da177e4 LT |
2174 | config MIPS_INSANE_LARGE |
2175 | bool "Support for large 64-bit configurations" | |
875d43e7 | 2176 | depends on CPU_R10000 && 64BIT |
1da177e4 LT |
2177 | help |
2178 | MIPS R10000 does support a 44 bit / 16TB address space as opposed to | |
2179 | previous 64-bit processors which only supported 40 bit / 1TB. If you | |
2180 | need processes of more than 1TB virtual address space, say Y here. | |
2181 | This will result in additional memory usage, so it is not | |
2182 | recommended for normal users. | |
2183 | ||
ea6e942b AN |
2184 | config KEXEC |
2185 | bool "Kexec system call (EXPERIMENTAL)" | |
2186 | depends on EXPERIMENTAL | |
2187 | help | |
2188 | kexec is a system call that implements the ability to shutdown your | |
2189 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 2190 | but it is independent of the system firmware. And like a reboot |
ea6e942b AN |
2191 | you can start any kernel with it, not just Linux. |
2192 | ||
01dd2fbf | 2193 | The name comes from the similarity to the exec system call. |
ea6e942b AN |
2194 | |
2195 | It is an ongoing process to be certain the hardware in a machine | |
2196 | is properly shutdown, so do not be surprised if this code does not | |
2197 | initially work for you. It may help to enable device hotplugging | |
2198 | support. As of this writing the exact hardware interface is | |
2199 | strongly in flux, so no good recommendation can be made. | |
2200 | ||
2201 | config SECCOMP | |
2202 | bool "Enable seccomp to safely compute untrusted bytecode" | |
293c5bd1 | 2203 | depends on PROC_FS |
ea6e942b AN |
2204 | default y |
2205 | help | |
2206 | This kernel feature is useful for number crunching applications | |
2207 | that may need to compute untrusted bytecode during their | |
2208 | execution. By using pipes or other transports made available to | |
2209 | the process as file descriptors supporting the read/write | |
2210 | syscalls, it's possible to isolate those applications in | |
2211 | their own address space using seccomp. Once seccomp is | |
2212 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
2213 | and the task is only allowed to execute a few safe syscalls | |
2214 | defined by each seccomp mode. | |
2215 | ||
2216 | If unsure, say Y. Only embedded should say N here. | |
2217 | ||
f2ffa5ab DD |
2218 | config USE_OF |
2219 | bool "Flattened Device Tree support" | |
2220 | select OF | |
2221 | select OF_FLATTREE | |
2222 | help | |
2223 | Include support for flattened device tree machine descriptions. | |
2224 | ||
5e83d430 RB |
2225 | endmenu |
2226 | ||
1df0f0ff AN |
2227 | config LOCKDEP_SUPPORT |
2228 | bool | |
2229 | default y | |
2230 | ||
2231 | config STACKTRACE_SUPPORT | |
2232 | bool | |
2233 | default y | |
2234 | ||
b6c3539b RB |
2235 | source "init/Kconfig" |
2236 | ||
dc52ddc0 MH |
2237 | source "kernel/Kconfig.freezer" |
2238 | ||
1da177e4 LT |
2239 | menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" |
2240 | ||
5e83d430 RB |
2241 | config HW_HAS_EISA |
2242 | bool | |
1da177e4 LT |
2243 | config HW_HAS_PCI |
2244 | bool | |
2245 | ||
2246 | config PCI | |
2247 | bool "Support for PCI controller" | |
2248 | depends on HW_HAS_PCI | |
abb4ae46 | 2249 | select PCI_DOMAINS |
1da177e4 LT |
2250 | help |
2251 | Find out whether you have a PCI motherboard. PCI is the name of a | |
2252 | bus system, i.e. the way the CPU talks to the other stuff inside | |
2253 | your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, | |
2254 | say Y, otherwise N. | |
2255 | ||
1da177e4 LT |
2256 | config PCI_DOMAINS |
2257 | bool | |
1da177e4 LT |
2258 | |
2259 | source "drivers/pci/Kconfig" | |
2260 | ||
2261 | # | |
2262 | # ISA support is now enabled via select. Too many systems still have the one | |
2263 | # or other ISA chip on the board that users don't know about so don't expect | |
2264 | # users to choose the right thing ... | |
2265 | # | |
2266 | config ISA | |
2267 | bool | |
2268 | ||
2269 | config EISA | |
2270 | bool "EISA support" | |
5e83d430 | 2271 | depends on HW_HAS_EISA |
1da177e4 | 2272 | select ISA |
aa414dff | 2273 | select GENERIC_ISA_DMA |
1da177e4 LT |
2274 | ---help--- |
2275 | The Extended Industry Standard Architecture (EISA) bus was | |
2276 | developed as an open alternative to the IBM MicroChannel bus. | |
2277 | ||
2278 | The EISA bus provided some of the features of the IBM MicroChannel | |
2279 | bus while maintaining backward compatibility with cards made for | |
2280 | the older ISA bus. The EISA bus saw limited use between 1988 and | |
2281 | 1995 when it was made obsolete by the PCI bus. | |
2282 | ||
2283 | Say Y here if you are building a kernel for an EISA-based machine. | |
2284 | ||
2285 | Otherwise, say N. | |
2286 | ||
2287 | source "drivers/eisa/Kconfig" | |
2288 | ||
2289 | config TC | |
2290 | bool "TURBOchannel support" | |
2291 | depends on MACH_DECSTATION | |
2292 | help | |
50a23e6e JM |
2293 | TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS |
2294 | processors. TURBOchannel programming specifications are available | |
2295 | at: | |
2296 | <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> | |
2297 | and: | |
2298 | <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> | |
2299 | Linux driver support status is documented at: | |
2300 | <http://www.linux-mips.org/wiki/DECstation> | |
1da177e4 LT |
2301 | |
2302 | #config ACCESSBUS | |
2303 | # bool "Access.Bus support" | |
2304 | # depends on TC | |
2305 | ||
2306 | config MMU | |
2307 | bool | |
2308 | default y | |
2309 | ||
d865bea4 RB |
2310 | config I8253 |
2311 | bool | |
9726b43a | 2312 | select MIPS_EXTERNAL_TIMER |
d865bea4 | 2313 | |
cce335ae RB |
2314 | config ZONE_DMA32 |
2315 | bool | |
2316 | ||
1da177e4 LT |
2317 | source "drivers/pcmcia/Kconfig" |
2318 | ||
2319 | source "drivers/pci/hotplug/Kconfig" | |
2320 | ||
2321 | endmenu | |
2322 | ||
2323 | menu "Executable file formats" | |
2324 | ||
2325 | source "fs/Kconfig.binfmt" | |
2326 | ||
2327 | config TRAD_SIGNALS | |
2328 | bool | |
1da177e4 | 2329 | |
1da177e4 LT |
2330 | config MIPS32_COMPAT |
2331 | bool "Kernel support for Linux/MIPS 32-bit binary compatibility" | |
875d43e7 | 2332 | depends on 64BIT |
1da177e4 LT |
2333 | help |
2334 | Select this option if you want Linux/MIPS 32-bit binary | |
2335 | compatibility. Since all software available for Linux/MIPS is | |
2336 | currently 32-bit you should say Y here. | |
2337 | ||
2338 | config COMPAT | |
2339 | bool | |
2340 | depends on MIPS32_COMPAT | |
2341 | default y | |
2342 | ||
05e43966 AN |
2343 | config SYSVIPC_COMPAT |
2344 | bool | |
2345 | depends on COMPAT && SYSVIPC | |
2346 | default y | |
2347 | ||
1da177e4 LT |
2348 | config MIPS32_O32 |
2349 | bool "Kernel support for o32 binaries" | |
2350 | depends on MIPS32_COMPAT | |
2351 | help | |
2352 | Select this option if you want to run o32 binaries. These are pure | |
2353 | 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of | |
2354 | existing binaries are in this format. | |
2355 | ||
2356 | If unsure, say Y. | |
2357 | ||
2358 | config MIPS32_N32 | |
2359 | bool "Kernel support for n32 binaries" | |
2360 | depends on MIPS32_COMPAT | |
2361 | help | |
2362 | Select this option if you want to run n32 binaries. These are | |
2363 | 64-bit binaries using 32-bit quantities for addressing and certain | |
2364 | data that would normally be 64-bit. They are used in special | |
2365 | cases. | |
2366 | ||
2367 | If unsure, say N. | |
2368 | ||
2369 | config BINFMT_ELF32 | |
2370 | bool | |
2371 | default y if MIPS32_O32 || MIPS32_N32 | |
2372 | ||
2116245e RB |
2373 | endmenu |
2374 | ||
2375 | menu "Power management options" | |
2376 | ||
363c55ca WZ |
2377 | config ARCH_HIBERNATION_POSSIBLE |
2378 | def_bool y | |
3f5b3e17 | 2379 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
363c55ca | 2380 | |
f4cb5700 JB |
2381 | config ARCH_SUSPEND_POSSIBLE |
2382 | def_bool y | |
3f5b3e17 | 2383 | depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP |
f4cb5700 | 2384 | |
2116245e | 2385 | source "kernel/power/Kconfig" |
952fa954 | 2386 | |
1da177e4 LT |
2387 | endmenu |
2388 | ||
9726b43a WZ |
2389 | source "arch/mips/kernel/cpufreq/Kconfig" |
2390 | ||
d5950b43 SR |
2391 | source "net/Kconfig" |
2392 | ||
1da177e4 LT |
2393 | source "drivers/Kconfig" |
2394 | ||
2395 | source "fs/Kconfig" | |
2396 | ||
2397 | source "arch/mips/Kconfig.debug" | |
2398 | ||
2399 | source "security/Kconfig" | |
2400 | ||
2401 | source "crypto/Kconfig" | |
2402 | ||
2403 | source "lib/Kconfig" |