1config MMU
2 bool
3 default y
4
5config ZONE_DMA
6 bool
7 default y
8
9config RWSEM_GENERIC_SPINLOCK
10 bool
11 default y
12
13config RWSEM_XCHGADD_ALGORITHM
14 bool
15
16config ARCH_HAS_ILOG2_U32
17 bool
18 default n
19
20config ARCH_HAS_ILOG2_U64
21 bool
22 default n
23
24config GENERIC_HWEIGHT
25 bool
26 default y
27
28config GENERIC_CALIBRATE_DELAY
29 bool
30 default y
31
32config NO_IOPORT_MAP
33 def_bool y
34
35config FORCE_MAX_ZONEORDER
36 int
37 default 6
38
39config TRACE_IRQFLAGS_SUPPORT
40 depends on ETRAX_ARCH_V32
41 def_bool y
42
43config STACKTRACE_SUPPORT
44 def_bool y
45
46config LOCKDEP_SUPPORT
47 depends on ETRAX_ARCH_V32
48 def_bool y
49
50config CRIS
51 bool
52 default y
53 select HAVE_IDE
54 select GENERIC_ATOMIC64
55 select HAVE_UID16
56 select VIRT_TO_BUS
57 select ARCH_WANT_IPC_PARSE_VERSION
58 select GENERIC_IRQ_SHOW
59 select GENERIC_IOMAP
60 select GENERIC_CMOS_UPDATE
61 select MODULES_USE_ELF_RELA
62 select CLONE_BACKWARDS2
63 select OLD_SIGSUSPEND
64 select OLD_SIGACTION
65 select ARCH_REQUIRE_GPIOLIB
66 select IRQ_DOMAIN if ETRAX_ARCH_V32
67 select OF if ETRAX_ARCH_V32
68 select OF_EARLY_FLATTREE if ETRAX_ARCH_V32
69 select CLKSRC_MMIO if ETRAX_ARCH_V32
70 select GENERIC_CLOCKEVENTS if ETRAX_ARCH_V32
71 select GENERIC_SCHED_CLOCK if ETRAX_ARCH_V32
72 select HAVE_DEBUG_BUGVERBOSE if ETRAX_ARCH_V32
73
74config HZ
75 int
76 default 100
77
78config NR_CPUS
79 int
80 default "1"
81
82config BUILTIN_DTB
83 string "DTB to build into the kernel image"
84 depends on OF
85
86source "init/Kconfig"
87
88source "kernel/Kconfig.freezer"
89
90menu "General setup"
91
92source "fs/Kconfig.binfmt"
93
94config ETRAX_CMDLINE
95 string "Kernel command line"
96 default "root=/dev/mtdblock3"
97 help
98 Pass additional commands to the kernel.
99
100config ETRAX_WATCHDOG
101 bool "Enable ETRAX watchdog"
102 help
103 Enable the built-in watchdog timer support on ETRAX based embedded
104 network computers.
105
106config ETRAX_WATCHDOG_NICE_DOGGY
107 bool "Disable watchdog during Oops printouts"
108 depends on ETRAX_WATCHDOG
109 help
110 By enabling this you make sure that the watchdog does not bite while
111 printing oopses. Recommended for development systems but not for
112 production releases.
113
114config ETRAX_FAST_TIMER
115 bool "Enable ETRAX fast timer API"
116 help
117 This options enables the API to a fast timer implementation using
118 timer1 to get sub jiffie resolution timers (primarily one-shot
119 timers).
120 This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
121
122config ETRAX_KMALLOCED_MODULES
123 bool "Enable module allocation with kmalloc"
124 help
125 Enable module allocation with kmalloc instead of vmalloc.
126
127source "kernel/Kconfig.preempt"
128
129source mm/Kconfig
130
131endmenu
132
133menu "Hardware setup"
134
135choice
136 prompt "Processor type"
137 default ETRAX100LX
138
139config ETRAX100LX
140 bool "ETRAX-100LX-v1"
141 select ARCH_USES_GETTIMEOFFSET
142 help
143 Support version 1 of the ETRAX 100LX.
144
145config ETRAX100LX_V2
146 bool "ETRAX-100LX-v2"
147 select ARCH_USES_GETTIMEOFFSET
148 help
149 Support version 2 of the ETRAX 100LX.
150
151config ETRAXFS
152 bool "ETRAX-FS-V32"
153 help
154 Support CRIS V32.
155
156config CRIS_MACH_ARTPEC3
157 bool "ARTPEC-3"
158 help
159 Support Axis ARTPEC-3.
160
161endchoice
162
163config ETRAX_ARCH_V10
164 bool
165 default y if ETRAX100LX || ETRAX100LX_V2
166 default n if !(ETRAX100LX || ETRAX100LX_V2)
167 select TTY
168
169config ETRAX_ARCH_V32
170 bool
171 default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
172 default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
173
174config ETRAX_DRAM_SIZE
175 int "DRAM size (dec, in MB)"
176 default "8"
177 help
178 Size of DRAM (decimal in MB) typically 2, 8 or 16.
179
180config ETRAX_VMEM_SIZE
181 int "Video memory size (dec, in MB)"
182 depends on ETRAX_ARCH_V32 && !ETRAXFS
183 default 8 if !ETRAXFS
184 help
185 Size of Video accessible memory (decimal, in MB).
186
187config ETRAX_FLASH_BUSWIDTH
188 int "Buswidth of NOR flash in bytes"
189 default "2"
190 help
191 Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
192
193config ETRAX_FLASH1_SIZE
194 int "FLASH1 size (dec, in MB. 0 = Unknown)"
195 default "0"
196
197choice
198 prompt "Product debug-port"
199 default ETRAX_DEBUG_PORT0
200
201config ETRAX_DEBUG_PORT0
202 bool "Serial-0"
203 help
204 Choose a serial port for the ETRAX debug console. Default to
205 port 0.
206
207config ETRAX_DEBUG_PORT1
208 bool "Serial-1"
209 help
210 Use serial port 1 for the console.
211
212config ETRAX_DEBUG_PORT2
213 bool "Serial-2"
214 help
215 Use serial port 2 for the console.
216
217config ETRAX_DEBUG_PORT3
218 bool "Serial-3"
219 help
220 Use serial port 3 for the console.
221
222config ETRAX_DEBUG_PORT_NULL
223 bool "disabled"
224 help
225 Disable serial-port debugging.
226
227endchoice
228
229choice
230 prompt "Kernel GDB port"
231 depends on ETRAX_KGDB
232 default ETRAX_KGDB_PORT0
233 help
234 Choose a serial port for kernel debugging. NOTE: This port should
235 not be enabled under Drivers for built-in interfaces (as it has its
236 own initialization code) and should not be the same as the debug port.
237
238config ETRAX_KGDB_PORT0
239 bool "Serial-0"
240 help
241 Use serial port 0 for kernel debugging.
242
243config ETRAX_KGDB_PORT1
244 bool "Serial-1"
245 help
246 Use serial port 1 for kernel debugging.
247
248config ETRAX_KGDB_PORT2
249 bool "Serial-2"
250 help
251 Use serial port 2 for kernel debugging.
252
253config ETRAX_KGDB_PORT3
254 bool "Serial-3"
255 help
256 Use serial port 3 for kernel debugging.
257
258endchoice
259
260source arch/cris/arch-v10/Kconfig
261source arch/cris/arch-v32/Kconfig
262
263endmenu
264
265source "net/Kconfig"
266
267
268menu "Drivers for built-in interfaces"
269source arch/cris/arch-v10/drivers/Kconfig
270source arch/cris/arch-v32/drivers/Kconfig
271
272config ETRAX_AXISFLASHMAP
273 bool "Axis flash-map support"
274 select MTD
275 select MTD_CFI
276 select MTD_CFI_AMDSTD
277 select MTD_JEDECPROBE if ETRAX_ARCH_V32
278 select MTD_BLOCK
279 select MTD_COMPLEX_MAPPINGS
280 help
281 This option enables MTD mapping of flash devices. Needed to use
282 flash memories. If unsure, say Y.
283
284config ETRAX_SYNCHRONOUS_SERIAL
285 bool "Synchronous serial-port support"
286 help
287 Select this to enable the synchronous serial port driver.
288
289config ETRAX_SYNCHRONOUS_SERIAL_PORT0
290 bool "Synchronous serial port 0 enabled"
291 depends on ETRAX_SYNCHRONOUS_SERIAL
292 help
293 Enabled synchronous serial port 0.
294
295config ETRAX_SYNCHRONOUS_SERIAL0_DMA
296 bool "Enable DMA on synchronous serial port 0."
297 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
298 help
299 A synchronous serial port can run in manual or DMA mode.
300 Selecting this option will make it run in DMA mode.
301
302config ETRAX_SYNCHRONOUS_SERIAL_PORT1
303 bool "Synchronous serial port 1 enabled"
304 depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
305 help
306 Enabled synchronous serial port 1.
307
308config ETRAX_SYNCHRONOUS_SERIAL1_DMA
309 bool "Enable DMA on synchronous serial port 1."
310 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
311 help
312 A synchronous serial port can run in manual or DMA mode.
313 Selecting this option will make it run in DMA mode.
314
315choice
316 prompt "Network LED behavior"
317 depends on ETRAX_ETHERNET
318 default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
319
320config ETRAX_NETWORK_LED_ON_WHEN_LINK
321 bool "LED_on_when_link"
322 help
323 Selecting LED_on_when_link will light the LED when there is a
324 connection and will flash off when there is activity.
325
326 Selecting LED_on_when_activity will light the LED only when
327 there is activity.
328
329 This setting will also affect the behaviour of other activity LEDs
330 e.g. Bluetooth.
331
332config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
333 bool "LED_on_when_activity"
334 help
335 Selecting LED_on_when_link will light the LED when there is a
336 connection and will flash off when there is activity.
337
338 Selecting LED_on_when_activity will light the LED only when
339 there is activity.
340
341 This setting will also affect the behaviour of other activity LEDs
342 e.g. Bluetooth.
343
344endchoice
345
346choice
347 prompt "Ser0 DMA out channel"
348 depends on ETRAX_SERIAL_PORT0
349 default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
350 default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
351
352config ETRAX_SERIAL_PORT0_NO_DMA_OUT
353 bool "Ser0 uses no DMA for output"
354 help
355 Do not use DMA for ser0 output.
356
357config ETRAX_SERIAL_PORT0_DMA6_OUT
358 bool "Ser0 uses DMA6 for output"
359 depends on ETRAXFS
360 help
361 Enables the DMA6 output channel for ser0 (ttyS0).
362 If you do not enable DMA, an interrupt for each character will be
363 used when transmitting data.
364 Normally you want to use DMA, unless you use the DMA channel for
365 something else.
366
367config ETRAX_SERIAL_PORT0_DMA0_OUT
368 bool "Ser0 uses DMA0 for output"
369 depends on CRIS_MACH_ARTPEC3
370 help
371 Enables the DMA0 output channel for ser0 (ttyS0).
372 If you do not enable DMA, an interrupt for each character will be
373 used when transmitting data.
374 Normally you want to use DMA, unless you use the DMA channel for
375 something else.
376
377endchoice
378
379choice
380 prompt "Ser0 DMA in channel "
381 depends on ETRAX_SERIAL_PORT0
382 default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
383 default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
384 help
385 What DMA channel to use for ser0.
386
387config ETRAX_SERIAL_PORT0_NO_DMA_IN
388 bool "Ser0 uses no DMA for input"
389 help
390 Do not use DMA for ser0 input.
391
392config ETRAX_SERIAL_PORT0_DMA7_IN
393 bool "Ser0 uses DMA7 for input"
394 depends on ETRAXFS
395 help
396 Enables the DMA7 input channel for ser0 (ttyS0).
397 If you do not enable DMA, an interrupt for each character will be
398 used when receiving data.
399 Normally you want to use DMA, unless you use the DMA channel for
400 something else.
401
402config ETRAX_SERIAL_PORT0_DMA1_IN
403 bool "Ser0 uses DMA1 for input"
404 depends on CRIS_MACH_ARTPEC3
405 help
406 Enables the DMA1 input channel for ser0 (ttyS0).
407 If you do not enable DMA, an interrupt for each character will be
408 used when receiving data.
409 Normally you want to use DMA, unless you use the DMA channel for
410 something else.
411
412endchoice
413
414choice
415 prompt "Ser1 DMA in channel "
416 depends on ETRAX_SERIAL_PORT1
417 default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
418 default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
419 help
420 What DMA channel to use for ser1.
421
422config ETRAX_SERIAL_PORT1_NO_DMA_IN
423 bool "Ser1 uses no DMA for input"
424 help
425 Do not use DMA for ser1 input.
426
427config ETRAX_SERIAL_PORT1_DMA5_IN
428 bool "Ser1 uses DMA5 for input"
429 depends on ETRAX_ARCH_V32
430 help
431 Enables the DMA5 input channel for ser1 (ttyS1).
432 If you do not enable DMA, an interrupt for each character will be
433 used when receiving data.
434 Normally you want this on, unless you use the DMA channel for
435 something else.
436
437config ETRAX_SERIAL_PORT1_DMA9_IN
438 depends on ETRAX_ARCH_V10
439 bool "Ser1 uses DMA9 for input"
440
441endchoice
442
443
444choice
445 prompt "Ser1 DMA out channel"
446 depends on ETRAX_SERIAL_PORT1
447 default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
448 default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
449 help
450 What DMA channel to use for ser1.
451
452config ETRAX_SERIAL_PORT1_NO_DMA_OUT
453 bool "Ser1 uses no DMA for output"
454 help
455 Do not use DMA for ser1 output.
456
457config ETRAX_SERIAL_PORT1_DMA8_OUT
458 depends on ETRAX_ARCH_V10
459 bool "Ser1 uses DMA8 for output"
460
461config ETRAX_SERIAL_PORT1_DMA4_OUT
462 depends on ETRAX_ARCH_V32
463 bool "Ser1 uses DMA4 for output"
464 help
465 Enables the DMA4 output channel for ser1 (ttyS1).
466 If you do not enable DMA, an interrupt for each character will be
467 used when transmitting data.
468 Normally you want this on, unless you use the DMA channel for
469 something else.
470
471endchoice
472
473choice
474 prompt "Ser2 DMA out channel"
475 depends on ETRAX_SERIAL_PORT2
476 default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
477 default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
478
479config ETRAX_SERIAL_PORT2_NO_DMA_OUT
480 bool "Ser2 uses no DMA for output"
481 help
482 Do not use DMA for ser2 output.
483
484config ETRAX_SERIAL_PORT2_DMA2_OUT
485 bool "Ser2 uses DMA2 for output"
486 depends on ETRAXFS || ETRAX_ARCH_V10
487 help
488 Enables the DMA2 output channel for ser2 (ttyS2).
489 If you do not enable DMA, an interrupt for each character will be
490 used when transmitting data.
491 Normally you want to use DMA, unless you use the DMA channel for
492 something else.
493
494config ETRAX_SERIAL_PORT2_DMA6_OUT
495 bool "Ser2 uses DMA6 for output"
496 depends on CRIS_MACH_ARTPEC3
497 help
498 Enables the DMA6 output channel for ser2 (ttyS2).
499 If you do not enable DMA, an interrupt for each character will be
500 used when transmitting data.
501 Normally you want to use DMA, unless you use the DMA channel for
502 something else.
503
504endchoice
505
506choice
507 prompt "Ser2 DMA in channel"
508 depends on ETRAX_SERIAL_PORT2
509 default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
510 default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
511 help
512 What DMA channel to use for ser2.
513
514config ETRAX_SERIAL_PORT2_NO_DMA_IN
515 bool "Ser2 uses no DMA for input"
516 help
517 Do not use DMA for ser2 input.
518
519config ETRAX_SERIAL_PORT2_DMA3_IN
520 bool "Ser2 uses DMA3 for input"
521 depends on ETRAXFS || ETRAX_ARCH_V10
522 help
523 Enables the DMA3 input channel for ser2 (ttyS2).
524 If you do not enable DMA, an interrupt for each character will be
525 used when receiving data.
526 Normally you want to use DMA, unless you use the DMA channel for
527 something else.
528
529config ETRAX_SERIAL_PORT2_DMA7_IN
530 bool "Ser2 uses DMA7 for input"
531 depends on CRIS_MACH_ARTPEC3
532 help
533 Enables the DMA7 input channel for ser2 (ttyS2).
534 If you do not enable DMA, an interrupt for each character will be
535 used when receiving data.
536 Normally you want to use DMA, unless you use the DMA channel for
537 something else.
538
539endchoice
540
541choice
542 prompt "Ser3 DMA in channel"
543 depends on ETRAX_SERIAL_PORT3
544 default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
545 default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
546 help
547 What DMA channel to use for ser3.
548
549config ETRAX_SERIAL_PORT3_NO_DMA_IN
550 bool "Ser3 uses no DMA for input"
551 help
552 Do not use DMA for ser3 input.
553
554config ETRAX_SERIAL_PORT3_DMA5_IN
555 depends on ETRAX_ARCH_V10
556 bool "DMA 5"
557
558endchoice
559
560choice
561 prompt "Ser3 DMA out channel"
562 depends on ETRAX_SERIAL_PORT3
563 default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
564 default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
565
566config ETRAX_SERIAL_PORT3_NO_DMA_OUT
567 bool "Ser3 uses no DMA for output"
568 help
569 Do not use DMA for ser3 output.
570
571config ETRAX_SERIAL_PORT3_DMA4_OUT
572 depends on ETRAX_ARCH_V10
573 bool "DMA 4"
574
575endchoice
576
577endmenu
578
579source "drivers/Kconfig"
580
581source "fs/Kconfig"
582
583source "arch/cris/Kconfig.debug"
584
585source "security/Kconfig"
586
587source "crypto/Kconfig"
588
589source "lib/Kconfig"
590
