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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
33 def_bool y
34
35config FORCE_MAX_ZONEORDER
36 int
37 default 6
38
39config CRIS
40 bool
41 default y
42 select HAVE_IDE
43 select GENERIC_ATOMIC64
44 select HAVE_GENERIC_HARDIRQS
45 select GENERIC_IRQ_SHOW
46 select GENERIC_IOMAP
47 select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32
48 select GENERIC_CMOS_UPDATE
49
50config HZ
51 int
52 default 100
53
54source "init/Kconfig"
55
56source "kernel/Kconfig.freezer"
57
58menu "General setup"
59
60source "fs/Kconfig.binfmt"
61
62config ETRAX_CMDLINE
63 string "Kernel command line"
64 default "root=/dev/mtdblock3"
65 help
66 Pass additional commands to the kernel.
67
68config ETRAX_WATCHDOG
69 bool "Enable ETRAX watchdog"
70 help
71 Enable the built-in watchdog timer support on ETRAX based embedded
72 network computers.
73
74config ETRAX_WATCHDOG_NICE_DOGGY
75 bool "Disable watchdog during Oops printouts"
76 depends on ETRAX_WATCHDOG
77 help
78 By enabling this you make sure that the watchdog does not bite while
79 printing oopses. Recommended for development systems but not for
80 production releases.
81
82config ETRAX_FAST_TIMER
83 bool "Enable ETRAX fast timer API"
84 help
85 This options enables the API to a fast timer implementation using
86 timer1 to get sub jiffie resolution timers (primarily one-shot
87 timers).
88 This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
89
90config ETRAX_KMALLOCED_MODULES
91 bool "Enable module allocation with kmalloc"
92 help
93 Enable module allocation with kmalloc instead of vmalloc.
94
95config OOM_REBOOT
96 bool "Enable reboot at out of memory"
97
98source "kernel/Kconfig.preempt"
99
100source mm/Kconfig
101
102endmenu
103
104menu "Hardware setup"
105
106choice
107 prompt "Processor type"
108 default ETRAX100LX
109
110config ETRAX100LX
111 bool "ETRAX-100LX-v1"
112 select ARCH_USES_GETTIMEOFFSET
113 help
114 Support version 1 of the ETRAX 100LX.
115
116config ETRAX100LX_V2
117 bool "ETRAX-100LX-v2"
118 select ARCH_USES_GETTIMEOFFSET
119 help
120 Support version 2 of the ETRAX 100LX.
121
122config SVINTO_SIM
123 bool "ETRAX-100LX-for-xsim-simulator"
124 select ARCH_USES_GETTIMEOFFSET
125 help
126 Support the xsim ETRAX Simulator.
127
128config ETRAXFS
129 bool "ETRAX-FS-V32"
130 help
131 Support CRIS V32.
132
133config CRIS_MACH_ARTPEC3
134 bool "ARTPEC-3"
135 help
136 Support Axis ARTPEC-3.
137
138endchoice
139
140config ETRAX_VCS_SIM
141 bool "VCS Simulator"
142 help
143 Setup hardware to be run in the VCS simulator.
144
145config ETRAX_ARCH_V10
146 bool
147 default y if ETRAX100LX || ETRAX100LX_V2
148 default n if !(ETRAX100LX || ETRAX100LX_V2)
149
150config ETRAX_ARCH_V32
151 bool
152 default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
153 default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
154
155config ETRAX_DRAM_SIZE
156 int "DRAM size (dec, in MB)"
157 default "8"
158 help
159 Size of DRAM (decimal in MB) typically 2, 8 or 16.
160
161config ETRAX_VMEM_SIZE
162 int "Video memory size (dec, in MB)"
163 depends on ETRAX_ARCH_V32 && !ETRAXFS
164 default 8 if !ETRAXFS
165 help
166 Size of Video accessible memory (decimal, in MB).
167
168config ETRAX_FLASH_BUSWIDTH
169 int "Buswidth of NOR flash in bytes"
170 default "2"
171 help
172 Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
173
174config ETRAX_NANDFLASH_BUSWIDTH
175 int "Buswidth of NAND flash in bytes"
176 default "1"
177 help
178 Width in bytes of the NAND flash (1 or 2).
179
180config ETRAX_FLASH1_SIZE
181 int "FLASH1 size (dec, in MB. 0 = Unknown)"
182 default "0"
183
184choice
185 prompt "Product debug-port"
186 default ETRAX_DEBUG_PORT0
187
188config ETRAX_DEBUG_PORT0
189 bool "Serial-0"
190 help
191 Choose a serial port for the ETRAX debug console. Default to
192 port 0.
193
194config ETRAX_DEBUG_PORT1
195 bool "Serial-1"
196 help
197 Use serial port 1 for the console.
198
199config ETRAX_DEBUG_PORT2
200 bool "Serial-2"
201 help
202 Use serial port 2 for the console.
203
204config ETRAX_DEBUG_PORT3
205 bool "Serial-3"
206 help
207 Use serial port 3 for the console.
208
209config ETRAX_DEBUG_PORT_NULL
210 bool "disabled"
211 help
212 Disable serial-port debugging.
213
214endchoice
215
216choice
217 prompt "Kernel GDB port"
218 depends on ETRAX_KGDB
219 default ETRAX_KGDB_PORT0
220 help
221 Choose a serial port for kernel debugging. NOTE: This port should
222 not be enabled under Drivers for built-in interfaces (as it has its
223 own initialization code) and should not be the same as the debug port.
224
225config ETRAX_KGDB_PORT0
226 bool "Serial-0"
227 help
228 Use serial port 0 for kernel debugging.
229
230config ETRAX_KGDB_PORT1
231 bool "Serial-1"
232 help
233 Use serial port 1 for kernel debugging.
234
235config ETRAX_KGDB_PORT2
236 bool "Serial-2"
237 help
238 Use serial port 2 for kernel debugging.
239
240config ETRAX_KGDB_PORT3
241 bool "Serial-3"
242 help
243 Use serial port 3 for kernel debugging.
244
245endchoice
246
247source arch/cris/arch-v10/Kconfig
248source arch/cris/arch-v32/Kconfig
249
250endmenu
251
252source "net/Kconfig"
253
254# bring in ETRAX built-in drivers
255menu "Drivers for built-in interfaces"
256source arch/cris/arch-v10/drivers/Kconfig
257source arch/cris/arch-v32/drivers/Kconfig
258
259config ETRAX_AXISFLASHMAP
260 bool "Axis flash-map support"
261 select MTD
262 select MTD_CFI
263 select MTD_CFI_AMDSTD
264 select MTD_JEDECPROBE if ETRAX_ARCH_V32
265 select MTD_CHAR
266 select MTD_BLOCK
267 select MTD_COMPLEX_MAPPINGS
268 help
269 This option enables MTD mapping of flash devices. Needed to use
270 flash memories. If unsure, say Y.
271
272config ETRAX_RTC
273 bool "Real Time Clock support"
274 depends on ETRAX_I2C
275 help
276 Enables drivers for the Real-Time Clock battery-backed chips on
277 some products. The kernel reads the time when booting, and
278 the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
279 rtc_time struct (see <file:arch/cris/include/asm/rtc.h>) on the
280 /dev/rtc device. You can check the time with cat /proc/rtc, but
281 normal time reading should be done using libc function time and
282 friends.
283
284choice
285 prompt "RTC chip"
286 depends on ETRAX_RTC
287 default ETRAX_DS1302
288
289config ETRAX_DS1302
290 depends on ETRAX_ARCH_V10
291 bool "DS1302"
292 help
293 Enables the driver for the DS1302 Real-Time Clock battery-backed
294 chip on some products.
295
296config ETRAX_PCF8563
297 bool "PCF8563"
298 help
299 Enables the driver for the PCF8563 Real-Time Clock battery-backed
300 chip on some products.
301
302endchoice
303
304config ETRAX_SYNCHRONOUS_SERIAL
305 bool "Synchronous serial-port support"
306 help
307 Select this to enable the synchronous serial port driver.
308
309config ETRAX_SYNCHRONOUS_SERIAL_PORT0
310 bool "Synchronous serial port 0 enabled"
311 depends on ETRAX_SYNCHRONOUS_SERIAL
312 help
313 Enabled synchronous serial port 0.
314
315config ETRAX_SYNCHRONOUS_SERIAL0_DMA
316 bool "Enable DMA on synchronous serial port 0."
317 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
318 help
319 A synchronous serial port can run in manual or DMA mode.
320 Selecting this option will make it run in DMA mode.
321
322config ETRAX_SYNCHRONOUS_SERIAL_PORT1
323 bool "Synchronous serial port 1 enabled"
324 depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
325 help
326 Enabled synchronous serial port 1.
327
328config ETRAX_SYNCHRONOUS_SERIAL1_DMA
329 bool "Enable DMA on synchronous serial port 1."
330 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
331 help
332 A synchronous serial port can run in manual or DMA mode.
333 Selecting this option will make it run in DMA mode.
334
335choice
336 prompt "Network LED behavior"
337 depends on ETRAX_ETHERNET
338 default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
339
340config ETRAX_NETWORK_LED_ON_WHEN_LINK
341 bool "LED_on_when_link"
342 help
343 Selecting LED_on_when_link will light the LED when there is a
344 connection and will flash off when there is activity.
345
346 Selecting LED_on_when_activity will light the LED only when
347 there is activity.
348
349 This setting will also affect the behaviour of other activity LEDs
350 e.g. Bluetooth.
351
352config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
353 bool "LED_on_when_activity"
354 help
355 Selecting LED_on_when_link will light the LED when there is a
356 connection and will flash off when there is activity.
357
358 Selecting LED_on_when_activity will light the LED only when
359 there is activity.
360
361 This setting will also affect the behaviour of other activity LEDs
362 e.g. Bluetooth.
363
364endchoice
365
366choice
367 prompt "Ser0 DMA out channel"
368 depends on ETRAX_SERIAL_PORT0
369 default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
370 default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
371
372config ETRAX_SERIAL_PORT0_NO_DMA_OUT
373 bool "Ser0 uses no DMA for output"
374 help
375 Do not use DMA for ser0 output.
376
377config ETRAX_SERIAL_PORT0_DMA6_OUT
378 bool "Ser0 uses DMA6 for output"
379 depends on ETRAXFS
380 help
381 Enables the DMA6 output channel for ser0 (ttyS0).
382 If you do not enable DMA, an interrupt for each character will be
383 used when transmitting data.
384 Normally you want to use DMA, unless you use the DMA channel for
385 something else.
386
387config ETRAX_SERIAL_PORT0_DMA0_OUT
388 bool "Ser0 uses DMA0 for output"
389 depends on CRIS_MACH_ARTPEC3
390 help
391 Enables the DMA0 output channel for ser0 (ttyS0).
392 If you do not enable DMA, an interrupt for each character will be
393 used when transmitting data.
394 Normally you want to use DMA, unless you use the DMA channel for
395 something else.
396
397endchoice
398
399choice
400 prompt "Ser0 DMA in channel "
401 depends on ETRAX_SERIAL_PORT0
402 default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
403 default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
404 help
405 What DMA channel to use for ser0.
406
407config ETRAX_SERIAL_PORT0_NO_DMA_IN
408 bool "Ser0 uses no DMA for input"
409 help
410 Do not use DMA for ser0 input.
411
412config ETRAX_SERIAL_PORT0_DMA7_IN
413 bool "Ser0 uses DMA7 for input"
414 depends on ETRAXFS
415 help
416 Enables the DMA7 input channel for ser0 (ttyS0).
417 If you do not enable DMA, an interrupt for each character will be
418 used when receiving data.
419 Normally you want to use DMA, unless you use the DMA channel for
420 something else.
421
422config ETRAX_SERIAL_PORT0_DMA1_IN
423 bool "Ser0 uses DMA1 for input"
424 depends on CRIS_MACH_ARTPEC3
425 help
426 Enables the DMA1 input channel for ser0 (ttyS0).
427 If you do not enable DMA, an interrupt for each character will be
428 used when receiving data.
429 Normally you want to use DMA, unless you use the DMA channel for
430 something else.
431
432endchoice
433
434choice
435 prompt "Ser1 DMA in channel "
436 depends on ETRAX_SERIAL_PORT1
437 default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
438 default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
439 help
440 What DMA channel to use for ser1.
441
442config ETRAX_SERIAL_PORT1_NO_DMA_IN
443 bool "Ser1 uses no DMA for input"
444 help
445 Do not use DMA for ser1 input.
446
447config ETRAX_SERIAL_PORT1_DMA5_IN
448 bool "Ser1 uses DMA5 for input"
449 depends on ETRAX_ARCH_V32
450 help
451 Enables the DMA5 input channel for ser1 (ttyS1).
452 If you do not enable DMA, an interrupt for each character will be
453 used when receiving data.
454 Normally you want this on, unless you use the DMA channel for
455 something else.
456
457config ETRAX_SERIAL_PORT1_DMA9_IN
458 depends on ETRAX_ARCH_V10
459 bool "Ser1 uses DMA9 for input"
460
461endchoice
462
463
464choice
465 prompt "Ser1 DMA out channel"
466 depends on ETRAX_SERIAL_PORT1
467 default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
468 default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
469 help
470 What DMA channel to use for ser1.
471
472config ETRAX_SERIAL_PORT1_NO_DMA_OUT
473 bool "Ser1 uses no DMA for output"
474 help
475 Do not use DMA for ser1 output.
476
477config ETRAX_SERIAL_PORT1_DMA8_OUT
478 depends on ETRAX_ARCH_V10
479 bool "Ser1 uses DMA8 for output"
480
481config ETRAX_SERIAL_PORT1_DMA4_OUT
482 depends on ETRAX_ARCH_V32
483 bool "Ser1 uses DMA4 for output"
484 help
485 Enables the DMA4 output channel for ser1 (ttyS1).
486 If you do not enable DMA, an interrupt for each character will be
487 used when transmitting data.
488 Normally you want this on, unless you use the DMA channel for
489 something else.
490
491endchoice
492
493choice
494 prompt "Ser2 DMA out channel"
495 depends on ETRAX_SERIAL_PORT2
496 default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
497 default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
498
499config ETRAX_SERIAL_PORT2_NO_DMA_OUT
500 bool "Ser2 uses no DMA for output"
501 help
502 Do not use DMA for ser2 output.
503
504config ETRAX_SERIAL_PORT2_DMA2_OUT
505 bool "Ser2 uses DMA2 for output"
506 depends on ETRAXFS || ETRAX_ARCH_V10
507 help
508 Enables the DMA2 output channel for ser2 (ttyS2).
509 If you do not enable DMA, an interrupt for each character will be
510 used when transmitting data.
511 Normally you want to use DMA, unless you use the DMA channel for
512 something else.
513
514config ETRAX_SERIAL_PORT2_DMA6_OUT
515 bool "Ser2 uses DMA6 for output"
516 depends on CRIS_MACH_ARTPEC3
517 help
518 Enables the DMA6 output channel for ser2 (ttyS2).
519 If you do not enable DMA, an interrupt for each character will be
520 used when transmitting data.
521 Normally you want to use DMA, unless you use the DMA channel for
522 something else.
523
524endchoice
525
526choice
527 prompt "Ser2 DMA in channel"
528 depends on ETRAX_SERIAL_PORT2
529 default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
530 default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
531 help
532 What DMA channel to use for ser2.
533
534config ETRAX_SERIAL_PORT2_NO_DMA_IN
535 bool "Ser2 uses no DMA for input"
536 help
537 Do not use DMA for ser2 input.
538
539config ETRAX_SERIAL_PORT2_DMA3_IN
540 bool "Ser2 uses DMA3 for input"
541 depends on ETRAXFS || ETRAX_ARCH_V10
542 help
543 Enables the DMA3 input channel for ser2 (ttyS2).
544 If you do not enable DMA, an interrupt for each character will be
545 used when receiving data.
546 Normally you want to use DMA, unless you use the DMA channel for
547 something else.
548
549config ETRAX_SERIAL_PORT2_DMA7_IN
550 bool "Ser2 uses DMA7 for input"
551 depends on CRIS_MACH_ARTPEC3
552 help
553 Enables the DMA7 input channel for ser2 (ttyS2).
554 If you do not enable DMA, an interrupt for each character will be
555 used when receiving data.
556 Normally you want to use DMA, unless you use the DMA channel for
557 something else.
558
559endchoice
560
561choice
562 prompt "Ser3 DMA in channel"
563 depends on ETRAX_SERIAL_PORT3
564 default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
565 default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
566 help
567 What DMA channel to use for ser3.
568
569config ETRAX_SERIAL_PORT3_NO_DMA_IN
570 bool "Ser3 uses no DMA for input"
571 help
572 Do not use DMA for ser3 input.
573
574config ETRAX_SERIAL_PORT3_DMA5_IN
575 depends on ETRAX_ARCH_V10
576 bool "DMA 5"
577
578config ETRAX_SERIAL_PORT3_DMA9_IN
579 bool "Ser3 uses DMA9 for input"
580 depends on ETRAXFS
581 help
582 Enables the DMA9 input channel for ser3 (ttyS3).
583 If you do not enable DMA, an interrupt for each character will be
584 used when receiving data.
585 Normally you want to use DMA, unless you use the DMA channel for
586 something else.
587
588config ETRAX_SERIAL_PORT3_DMA3_IN
589 bool "Ser3 uses DMA3 for input"
590 depends on CRIS_MACH_ARTPEC3
591 help
592 Enables the DMA3 input channel for ser3 (ttyS3).
593 If you do not enable DMA, an interrupt for each character will be
594 used when receiving data.
595 Normally you want to use DMA, unless you use the DMA channel for
596 something else.
597
598endchoice
599
600choice
601 prompt "Ser3 DMA out channel"
602 depends on ETRAX_SERIAL_PORT3
603 default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
604 default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
605
606config ETRAX_SERIAL_PORT3_NO_DMA_OUT
607 bool "Ser3 uses no DMA for output"
608 help
609 Do not use DMA for ser3 output.
610
611config ETRAX_SERIAL_PORT3_DMA4_OUT
612 depends on ETRAX_ARCH_V10
613 bool "DMA 4"
614
615config ETRAX_SERIAL_PORT3_DMA8_OUT
616 bool "Ser3 uses DMA8 for output"
617 depends on ETRAXFS
618 help
619 Enables the DMA8 output channel for ser3 (ttyS3).
620 If you do not enable DMA, an interrupt for each character will be
621 used when transmitting data.
622 Normally you want to use DMA, unless you use the DMA channel for
623 something else.
624
625config ETRAX_SERIAL_PORT3_DMA2_OUT
626 bool "Ser3 uses DMA2 for output"
627 depends on CRIS_MACH_ARTPEC3
628 help
629 Enables the DMA2 output channel for ser3 (ttyS3).
630 If you do not enable DMA, an interrupt for each character will be
631 used when transmitting data.
632 Normally you want to use DMA, unless you use the DMA channel for
633 something else.
634
635endchoice
636
637endmenu
638
639source "drivers/base/Kconfig"
640
641# standard linux drivers
642source "drivers/mtd/Kconfig"
643
644source "drivers/parport/Kconfig"
645
646source "drivers/pnp/Kconfig"
647
648source "drivers/block/Kconfig"
649
650source "drivers/ide/Kconfig"
651
652source "drivers/net/Kconfig"
653
654source "drivers/i2c/Kconfig"
655
656source "drivers/rtc/Kconfig"
657
658#
659# input before char - char/joystick depends on it. As does USB.
660#
661source "drivers/input/Kconfig"
662
663source "drivers/char/Kconfig"
664
665source "fs/Kconfig"
666
667source "drivers/usb/Kconfig"
668
669source "drivers/uwb/Kconfig"
670
671source "drivers/staging/Kconfig"
672
673source "arch/cris/Kconfig.debug"
674
675source "security/Kconfig"
676
677source "crypto/Kconfig"
678
679source "lib/Kconfig"