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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# For a description of the syntax of this configuration file,
3# see the Configure script.
4#
5
6mainmenu "Linux/CRIS Kernel Configuration"
7
8config MMU
9 bool
10 default y
11
Christoph Lameter66701b12007-02-10 01:43:09 -080012config ZONE_DMA
13 bool
14 default y
15
Linus Torvalds1da177e2005-04-16 15:20:36 -070016config RWSEM_GENERIC_SPINLOCK
17 bool
18 default y
19
20config RWSEM_XCHGADD_ALGORITHM
21 bool
22
Jesper Nilsson923dd2a2007-12-05 18:10:36 +010023config GENERIC_IOMAP
24 bool
25 default y
26
David Howellsf0d1b0b2006-12-08 02:37:49 -080027config ARCH_HAS_ILOG2_U32
28 bool
29 default n
30
31config ARCH_HAS_ILOG2_U64
32 bool
33 default n
34
Akinobu Mitae9f26df2006-03-26 01:39:21 -080035config GENERIC_FIND_NEXT_BIT
36 bool
37 default y
38
39config GENERIC_HWEIGHT
40 bool
41 default y
42
Linus Torvalds1da177e2005-04-16 15:20:36 -070043config GENERIC_CALIBRATE_DELAY
44 bool
45 default y
46
Al Viro5ea81762007-02-11 15:41:31 +000047config NO_IOPORT
48 def_bool y
49
Jesper Nilsson923dd2a2007-12-05 18:10:36 +010050config FORCE_MAX_ZONEORDER
51 int
52 default 6
53
Linus Torvalds1da177e2005-04-16 15:20:36 -070054config CRIS
55 bool
56 default y
Sam Ravnborgec7748b2008-02-09 10:46:40 +010057 select HAVE_IDE
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
H. Peter Anvinbdc80782008-02-08 04:21:26 -080059config HZ
60 int
61 default 100
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063source "init/Kconfig"
64
65menu "General setup"
66
67source "fs/Kconfig.binfmt"
68
Jesper Nilssoneb2746d2007-11-14 17:00:52 -080069config GENERIC_HARDIRQS
70 bool
71 default y
72
Linus Torvalds1da177e2005-04-16 15:20:36 -070073config ETRAX_CMDLINE
74 string "Kernel command line"
75 default "root=/dev/mtdblock3"
76 help
77 Pass additional commands to the kernel.
78
79config ETRAX_WATCHDOG
80 bool "Enable ETRAX watchdog"
81 help
82 Enable the built-in watchdog timer support on ETRAX based embedded
83 network computers.
84
85config ETRAX_WATCHDOG_NICE_DOGGY
86 bool "Disable watchdog during Oops printouts"
87 depends on ETRAX_WATCHDOG
88 help
89 By enabling this you make sure that the watchdog does not bite while
90 printing oopses. Recommended for development systems but not for
91 production releases.
92
93config ETRAX_FAST_TIMER
94 bool "Enable ETRAX fast timer API"
95 help
96 This options enables the API to a fast timer implementation using
97 timer1 to get sub jiffie resolution timers (primarily one-shot
98 timers).
99 This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
100
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100101config ETRAX_KMALLOCED_MODULES
102 bool "Enable module allocation with kmalloc"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 help
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100104 Enable module allocation with kmalloc instead of vmalloc.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100106config OOM_REBOOT
107 bool "Enable reboot at out of memory"
108
109source "kernel/Kconfig.preempt"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
Dave Hansen3f22ab22005-06-23 00:07:43 -0700111source mm/Kconfig
112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113endmenu
114
115menu "Hardware setup"
116
117choice
118 prompt "Processor type"
119 default ETRAX100LX
120
121config ETRAX100LX
122 bool "ETRAX-100LX-v1"
123 help
124 Support version 1 of the ETRAX 100LX.
125
126config ETRAX100LX_V2
127 bool "ETRAX-100LX-v2"
128 help
129 Support version 2 of the ETRAX 100LX.
130
131config SVINTO_SIM
132 bool "ETRAX-100LX-for-xsim-simulator"
133 help
134 Support the xsim ETRAX Simulator.
135
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100136config ETRAXFS
137 bool "ETRAX-FS-V32"
138 help
139 Support CRIS V32.
140
141config CRIS_MACH_ARTPEC3
142 bool "ARTPEC-3"
143 help
144 Support Axis ARTPEC-3.
145
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146endchoice
147
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100148config ETRAX_VCS_SIM
149 bool "VCS Simulator"
150 help
151 Setup hardware to be run in the VCS simulator.
152
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153config ETRAX_ARCH_V10
154 bool
155 default y if ETRAX100LX || ETRAX100LX_V2
156 default n if !(ETRAX100LX || ETRAX100LX_V2)
157
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100158config ETRAX_ARCH_V32
159 bool
160 default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
161 default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
162
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163config ETRAX_DRAM_SIZE
164 int "DRAM size (dec, in MB)"
165 default "8"
166 help
167 Size of DRAM (decimal in MB) typically 2, 8 or 16.
168
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100169config ETRAX_VMEM_SIZE
170 int "Video memory size (dec, in MB)"
171 depends on ETRAX_ARCH_V32 && !ETRAXFS
172 default 8 if !ETRAXFS
173 help
174 Size of Video accessible memory (decimal, in MB).
175
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176config ETRAX_FLASH_BUSWIDTH
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100177 int "Buswidth of NOR flash in bytes"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 default "2"
179 help
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100180 Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
181
182config ETRAX_NANDFLASH_BUSWIDTH
183 int "Buswidth of NAND flash in bytes"
184 default "1"
185 help
186 Width in bytes of the NAND flash (1 or 2).
187
188config ETRAX_FLASH1_SIZE
189 int "FLASH1 size (dec, in MB. 0 = Unknown)"
190 default "0"
191
192choice
193 prompt "Product debug-port"
194 default ETRAX_DEBUG_PORT0
195
196config ETRAX_DEBUG_PORT0
197 bool "Serial-0"
198 help
199 Choose a serial port for the ETRAX debug console. Default to
200 port 0.
201
202config ETRAX_DEBUG_PORT1
203 bool "Serial-1"
204 help
205 Use serial port 1 for the console.
206
207config ETRAX_DEBUG_PORT2
208 bool "Serial-2"
209 help
210 Use serial port 2 for the console.
211
212config ETRAX_DEBUG_PORT3
213 bool "Serial-3"
214 help
215 Use serial port 3 for the console.
216
217config ETRAX_DEBUG_PORT_NULL
218 bool "disabled"
219 help
220 Disable serial-port debugging.
221
222endchoice
223
224choice
225 prompt "Kernel GDB port"
226 depends on ETRAX_KGDB
227 default ETRAX_KGDB_PORT0
228 help
229 Choose a serial port for kernel debugging. NOTE: This port should
230 not be enabled under Drivers for built-in interfaces (as it has its
231 own initialization code) and should not be the same as the debug port.
232
233config ETRAX_KGDB_PORT0
234 bool "Serial-0"
235 help
236 Use serial port 0 for kernel debugging.
237
238config ETRAX_KGDB_PORT1
239 bool "Serial-1"
240 help
241 Use serial port 1 for kernel debugging.
242
243config ETRAX_KGDB_PORT2
244 bool "Serial-2"
245 help
246 Use serial port 2 for kernel debugging.
247
248config ETRAX_KGDB_PORT3
249 bool "Serial-3"
250 help
251 Use serial port 3 for kernel debugging.
252
253endchoice
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254
255source arch/cris/arch-v10/Kconfig
Jesper Nilsson2d33d562008-02-04 22:30:31 -0800256source arch/cris/arch-v32/Kconfig
Linus Torvalds1da177e2005-04-16 15:20:36 -0700257
258endmenu
259
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700260source "net/Kconfig"
261
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262# bring in ETRAX built-in drivers
263menu "Drivers for built-in interfaces"
Jesper Nilsson2d33d562008-02-04 22:30:31 -0800264source arch/cris/arch-v10/drivers/Kconfig
265source arch/cris/arch-v32/drivers/Kconfig
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266
Jesper Nilsson79e04fd2008-02-06 13:21:28 +0100267config ETRAX_AXISFLASHMAP
268 bool "Axis flash-map support"
269 select MTD
270 select MTD_CFI
271 select MTD_CFI_AMDSTD
272 select MTD_JEDECPROBE if ETRAX_ARCH_V32
273 select MTD_CHAR
274 select MTD_BLOCK
275 select MTD_PARTITIONS
276 select MTD_CONCAT
277 select MTD_COMPLEX_MAPPINGS
278 help
279 This option enables MTD mapping of flash devices. Needed to use
280 flash memories. If unsure, say Y.
281
Jesper Nilssonc3d6ddd2008-01-21 11:05:40 +0100282config ETRAX_RTC
283 bool "Real Time Clock support"
284 depends on ETRAX_I2C
285 help
286 Enables drivers for the Real-Time Clock battery-backed chips on
287 some products. The kernel reads the time when booting, and
288 the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
289 rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
290 device. You can check the time with cat /proc/rtc, but
291 normal time reading should be done using libc function time and
292 friends.
293
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100294choice
295 prompt "RTC chip"
296 depends on ETRAX_RTC
297 default ETRAX_PCF8563 if ETRAX_ARCH_V32
298 default ETRAX_DS1302 if ETRAX_ARCH_V10
299
300config ETRAX_DS1302
301 depends on ETRAX_ARCH_V10
302 bool "DS1302"
303 help
304 Enables the driver for the DS1302 Real-Time Clock battery-backed
305 chip on some products.
306
307config ETRAX_PCF8563
308 bool "PCF8563"
309 help
310 Enables the driver for the PCF8563 Real-Time Clock battery-backed
311 chip on some products.
312
313endchoice
314
Jesper Nilssonc974a9e2008-01-21 11:44:11 +0100315config ETRAX_SYNCHRONOUS_SERIAL
316 bool "Synchronous serial-port support"
317 help
318 Select this to enable the synchronous serial port driver.
319
320config ETRAX_SYNCHRONOUS_SERIAL_PORT0
321 bool "Synchronous serial port 0 enabled"
322 depends on ETRAX_SYNCHRONOUS_SERIAL
323 help
324 Enabled synchronous serial port 0.
325
326config ETRAX_SYNCHRONOUS_SERIAL0_DMA
327 bool "Enable DMA on synchronous serial port 0."
328 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
329 help
330 A synchronous serial port can run in manual or DMA mode.
331 Selecting this option will make it run in DMA mode.
332
333config ETRAX_SYNCHRONOUS_SERIAL_PORT1
334 bool "Synchronous serial port 1 enabled"
335 depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
336 help
337 Enabled synchronous serial port 1.
338
339config ETRAX_SYNCHRONOUS_SERIAL1_DMA
340 bool "Enable DMA on synchronous serial port 1."
341 depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
342 help
343 A synchronous serial port can run in manual or DMA mode.
344 Selecting this option will make it run in DMA mode.
345
Jesper Nilsson923dd2a2007-12-05 18:10:36 +0100346choice
347 prompt "Network LED behavior"
348 depends on ETRAX_ETHERNET
349 default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
350
351config ETRAX_NETWORK_LED_ON_WHEN_LINK
352 bool "LED_on_when_link"
353 help
354 Selecting LED_on_when_link will light the LED when there is a
355 connection and will flash off when there is activity.
356
357 Selecting LED_on_when_activity will light the LED only when
358 there is activity.
359
360 This setting will also affect the behaviour of other activity LEDs
361 e.g. Bluetooth.
362
363config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
364 bool "LED_on_when_activity"
365 help
366 Selecting LED_on_when_link will light the LED when there is a
367 connection and will flash off when there is activity.
368
369 Selecting LED_on_when_activity will light the LED only when
370 there is activity.
371
372 This setting will also affect the behaviour of other activity LEDs
373 e.g. Bluetooth.
374
375endchoice
376
377choice
378 prompt "Ser0 DMA out channel"
379 depends on ETRAX_SERIAL_PORT0
380 default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
381 default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
382
383config ETRAX_SERIAL_PORT0_NO_DMA_OUT
384 bool "Ser0 uses no DMA for output"
385 help
386 Do not use DMA for ser0 output.
387
388config ETRAX_SERIAL_PORT0_DMA6_OUT
389 bool "Ser0 uses DMA6 for output"
390 depends on ETRAXFS
391 help
392 Enables the DMA6 output channel for ser0 (ttyS0).
393 If you do not enable DMA, an interrupt for each character will be
394 used when transmitting data.
395 Normally you want to use DMA, unless you use the DMA channel for
396 something else.
397
398config ETRAX_SERIAL_PORT0_DMA0_OUT
399 bool "Ser0 uses DMA0 for output"
400 depends on CRIS_MACH_ARTPEC3
401 help
402 Enables the DMA0 output channel for ser0 (ttyS0).
403 If you do not enable DMA, an interrupt for each character will be
404 used when transmitting data.
405 Normally you want to use DMA, unless you use the DMA channel for
406 something else.
407
408endchoice
409
410choice
411 prompt "Ser0 DMA in channel "
412 depends on ETRAX_SERIAL_PORT0
413 default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
414 default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
415 help
416 What DMA channel to use for ser0.
417
418config ETRAX_SERIAL_PORT0_NO_DMA_IN
419 bool "Ser0 uses no DMA for input"
420 help
421 Do not use DMA for ser0 input.
422
423config ETRAX_SERIAL_PORT0_DMA7_IN
424 bool "Ser0 uses DMA7 for input"
425 depends on ETRAXFS
426 help
427 Enables the DMA7 input channel for ser0 (ttyS0).
428 If you do not enable DMA, an interrupt for each character will be
429 used when receiving data.
430 Normally you want to use DMA, unless you use the DMA channel for
431 something else.
432
433config ETRAX_SERIAL_PORT0_DMA1_IN
434 bool "Ser0 uses DMA1 for input"
435 depends on CRIS_MACH_ARTPEC3
436 help
437 Enables the DMA1 input channel for ser0 (ttyS0).
438 If you do not enable DMA, an interrupt for each character will be
439 used when receiveing data.
440 Normally you want to use DMA, unless you use the DMA channel for
441 something else.
442
443endchoice
444
445choice
446 prompt "Ser1 DMA in channel "
447 depends on ETRAX_SERIAL_PORT1
448 default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
449 default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
450 help
451 What DMA channel to use for ser1.
452
453config ETRAX_SERIAL_PORT1_NO_DMA_IN
454 bool "Ser1 uses no DMA for input"
455 help
456 Do not use DMA for ser1 input.
457
458config ETRAX_SERIAL_PORT1_DMA5_IN
459 bool "Ser1 uses DMA5 for input"
460 depends on ETRAX_ARCH_V32
461 help
462 Enables the DMA5 input channel for ser1 (ttyS1).
463 If you do not enable DMA, an interrupt for each character will be
464 used when receiving data.
465 Normally you want this on, unless you use the DMA channel for
466 something else.
467
468config ETRAX_SERIAL_PORT1_DMA9_IN
469 depends on ETRAX_ARCH_V10
470 bool "Ser1 uses DMA9 for input"
471
472endchoice
473
474
475choice
476 prompt "Ser1 DMA out channel"
477 depends on ETRAX_SERIAL_PORT1
478 default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
479 default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
480 help
481 What DMA channel to use for ser1.
482
483config ETRAX_SERIAL_PORT1_NO_DMA_OUT
484 bool "Ser1 uses no DMA for output"
485 help
486 Do not use DMA for ser1 output.
487
488config ETRAX_SERIAL_PORT1_DMA8_OUT
489 depends on ETRAX_ARCH_V10
490 bool "Ser1 uses DMA8 for output"
491
492config ETRAX_SERIAL_PORT1_DMA4_OUT
493 depends on ETRAX_ARCH_V32
494 bool "Ser1 uses DMA4 for output"
495 help
496 Enables the DMA4 output channel for ser1 (ttyS1).
497 If you do not enable DMA, an interrupt for each character will be
498 used when transmitting data.
499 Normally you want this on, unless you use the DMA channel for
500 something else.
501
502endchoice
503
504choice
505 prompt "Ser2 DMA out channel"
506 depends on ETRAX_SERIAL_PORT2
507 default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
508 default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
509
510config ETRAX_SERIAL_PORT2_NO_DMA_OUT
511 bool "Ser2 uses no DMA for output"
512 help
513 Do not use DMA for ser2 output.
514
515config ETRAX_SERIAL_PORT2_DMA2_OUT
516 bool "Ser2 uses DMA2 for output"
517 depends on ETRAXFS || ETRAX_ARCH_V10
518 help
519 Enables the DMA2 output channel for ser2 (ttyS2).
520 If you do not enable DMA, an interrupt for each character will be
521 used when transmitting data.
522 Normally you want to use DMA, unless you use the DMA channel for
523 something else.
524
525config ETRAX_SERIAL_PORT2_DMA6_OUT
526 bool "Ser2 uses DMA6 for output"
527 depends on CRIS_MACH_ARTPEC3
528 help
529 Enables the DMA6 output channel for ser2 (ttyS2).
530 If you do not enable DMA, an interrupt for each character will be
531 used when transmitting data.
532 Normally you want to use DMA, unless you use the DMA channel for
533 something else.
534
535endchoice
536
537choice
538 prompt "Ser2 DMA in channel"
539 depends on ETRAX_SERIAL_PORT2
540 default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
541 default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
542 help
543 What DMA channel to use for ser2.
544
545config ETRAX_SERIAL_PORT2_NO_DMA_IN
546 bool "Ser2 uses no DMA for input"
547 help
548 Do not use DMA for ser2 input.
549
550config ETRAX_SERIAL_PORT2_DMA3_IN
551 bool "Ser2 uses DMA3 for input"
552 depends on ETRAXFS || ETRAX_ARCH_V10
553 help
554 Enables the DMA3 input channel for ser2 (ttyS2).
555 If you do not enable DMA, an interrupt for each character will be
556 used when receiving data.
557 Normally you want to use DMA, unless you use the DMA channel for
558 something else.
559
560config ETRAX_SERIAL_PORT2_DMA7_IN
561 bool "Ser2 uses DMA7 for input"
562 depends on CRIS_MACH_ARTPEC3
563 help
564 Enables the DMA7 input channel for ser2 (ttyS2).
565 If you do not enable DMA, an interrupt for each character will be
566 used when receiveing data.
567 Normally you want to use DMA, unless you use the DMA channel for
568 something else.
569
570endchoice
571
572choice
573 prompt "Ser3 DMA in channel"
574 depends on ETRAX_SERIAL_PORT3
575 default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
576 default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
577 help
578 What DMA channel to use for ser3.
579
580config ETRAX_SERIAL_PORT3_NO_DMA_IN
581 bool "Ser3 uses no DMA for input"
582 help
583 Do not use DMA for ser3 input.
584
585config ETRAX_SERIAL_PORT3_DMA5_IN
586 depends on ETRAX_ARCH_V10
587 bool "DMA 5"
588
589config ETRAX_SERIAL_PORT3_DMA9_IN
590 bool "Ser3 uses DMA9 for input"
591 depends on ETRAXFS
592 help
593 Enables the DMA9 input channel for ser3 (ttyS3).
594 If you do not enable DMA, an interrupt for each character will be
595 used when receiving data.
596 Normally you want to use DMA, unless you use the DMA channel for
597 something else.
598
599config ETRAX_SERIAL_PORT3_DMA3_IN
600 bool "Ser3 uses DMA3 for input"
601 depends on CRIS_MACH_ARTPEC3
602 help
603 Enables the DMA3 input channel for ser3 (ttyS3).
604 If you do not enable DMA, an interrupt for each character will be
605 used when receiveing data.
606 Normally you want to use DMA, unless you use the DMA channel for
607 something else.
608
609endchoice
610
611choice
612 prompt "Ser3 DMA out channel"
613 depends on ETRAX_SERIAL_PORT3
614 default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
615 default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
616
617config ETRAX_SERIAL_PORT3_NO_DMA_OUT
618 bool "Ser3 uses no DMA for output"
619 help
620 Do not use DMA for ser3 output.
621
622config ETRAX_SERIAL_PORT3_DMA4_OUT
623 depends on ETRAX_ARCH_V10
624 bool "DMA 4"
625
626config ETRAX_SERIAL_PORT3_DMA8_OUT
627 bool "Ser3 uses DMA8 for output"
628 depends on ETRAXFS
629 help
630 Enables the DMA8 output channel for ser3 (ttyS3).
631 If you do not enable DMA, an interrupt for each character will be
632 used when transmitting data.
633 Normally you want to use DMA, unless you use the DMA channel for
634 something else.
635
636config ETRAX_SERIAL_PORT3_DMA2_OUT
637 bool "Ser3 uses DMA2 for output"
638 depends on CRIS_MACH_ARTPEC3
639 help
640 Enables the DMA2 output channel for ser3 (ttyS3).
641 If you do not enable DMA, an interrupt for each character will be
642 used when transmitting data.
643 Normally you want to use DMA, unless you use the DMA channel for
644 something else.
645
646endchoice
647
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648endmenu
649
650source "drivers/base/Kconfig"
651
652# standard linux drivers
653source "drivers/mtd/Kconfig"
654
655source "drivers/parport/Kconfig"
656
657source "drivers/pnp/Kconfig"
658
659source "drivers/block/Kconfig"
660
Linus Torvalds1da177e2005-04-16 15:20:36 -0700661source "drivers/ide/Kconfig"
662
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700663source "drivers/net/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664
Jesper Nilsson7b275522007-11-14 17:00:59 -0800665source "drivers/i2c/Kconfig"
666
667source "drivers/rtc/Kconfig"
668
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669#
670# input before char - char/joystick depends on it. As does USB.
671#
672source "drivers/input/Kconfig"
673
674source "drivers/char/Kconfig"
675
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676source "fs/Kconfig"
677
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678source "drivers/usb/Kconfig"
679
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680source "arch/cris/Kconfig.debug"
681
682source "security/Kconfig"
683
684source "crypto/Kconfig"
685
686source "lib/Kconfig"