2 # For a description of the syntax of this configuration file,
3 # see the Configure script.
6 mainmenu "Linux/CRIS Kernel Configuration"
16 config RWSEM_GENERIC_SPINLOCK
20 config RWSEM_XCHGADD_ALGORITHM
27 config ARCH_HAS_ILOG2_U32
31 config ARCH_HAS_ILOG2_U64
35 config GENERIC_FIND_NEXT_BIT
39 config GENERIC_HWEIGHT
43 config GENERIC_CALIBRATE_DELAY
50 config FORCE_MAX_ZONEORDER
62 source "fs/Kconfig.binfmt"
64 config GENERIC_HARDIRQS
69 string "Kernel command line"
70 default "root=/dev/mtdblock3"
72 Pass additional commands to the kernel.
75 bool "Enable ETRAX watchdog"
77 Enable the built-in watchdog timer support on ETRAX based embedded
80 config ETRAX_WATCHDOG_NICE_DOGGY
81 bool "Disable watchdog during Oops printouts"
82 depends on ETRAX_WATCHDOG
84 By enabling this you make sure that the watchdog does not bite while
85 printing oopses. Recommended for development systems but not for
88 config ETRAX_FAST_TIMER
89 bool "Enable ETRAX fast timer API"
91 This options enables the API to a fast timer implementation using
92 timer1 to get sub jiffie resolution timers (primarily one-shot
94 This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
96 config ETRAX_KMALLOCED_MODULES
97 bool "Enable module allocation with kmalloc"
99 Enable module allocation with kmalloc instead of vmalloc.
102 bool "Enable reboot at out of memory"
104 source "kernel/Kconfig.preempt"
110 menu "Hardware setup"
113 prompt "Processor type"
117 bool "ETRAX-100LX-v1"
119 Support version 1 of the ETRAX 100LX.
122 bool "ETRAX-100LX-v2"
124 Support version 2 of the ETRAX 100LX.
127 bool "ETRAX-100LX-for-xsim-simulator"
129 Support the xsim ETRAX Simulator.
136 config CRIS_MACH_ARTPEC3
139 Support Axis ARTPEC-3.
146 Setup hardware to be run in the VCS simulator.
148 config ETRAX_ARCH_V10
150 default y if ETRAX100LX || ETRAX100LX_V2
151 default n if !(ETRAX100LX || ETRAX100LX_V2)
153 config ETRAX_ARCH_V32
155 default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
156 default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
158 config ETRAX_DRAM_SIZE
159 int "DRAM size (dec, in MB)"
162 Size of DRAM (decimal in MB) typically 2, 8 or 16.
164 config ETRAX_VMEM_SIZE
165 int "Video memory size (dec, in MB)"
166 depends on ETRAX_ARCH_V32 && !ETRAXFS
167 default 8 if !ETRAXFS
169 Size of Video accessible memory (decimal, in MB).
171 config ETRAX_FLASH_BUSWIDTH
172 int "Buswidth of NOR flash in bytes"
175 Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
177 config ETRAX_NANDFLASH_BUSWIDTH
178 int "Buswidth of NAND flash in bytes"
181 Width in bytes of the NAND flash (1 or 2).
183 config ETRAX_FLASH1_SIZE
184 int "FLASH1 size (dec, in MB. 0 = Unknown)"
188 prompt "Product debug-port"
189 default ETRAX_DEBUG_PORT0
191 config ETRAX_DEBUG_PORT0
194 Choose a serial port for the ETRAX debug console. Default to
197 config ETRAX_DEBUG_PORT1
200 Use serial port 1 for the console.
202 config ETRAX_DEBUG_PORT2
205 Use serial port 2 for the console.
207 config ETRAX_DEBUG_PORT3
210 Use serial port 3 for the console.
212 config ETRAX_DEBUG_PORT_NULL
215 Disable serial-port debugging.
220 prompt "Kernel GDB port"
221 depends on ETRAX_KGDB
222 default ETRAX_KGDB_PORT0
224 Choose a serial port for kernel debugging. NOTE: This port should
225 not be enabled under Drivers for built-in interfaces (as it has its
226 own initialization code) and should not be the same as the debug port.
228 config ETRAX_KGDB_PORT0
231 Use serial port 0 for kernel debugging.
233 config ETRAX_KGDB_PORT1
236 Use serial port 1 for kernel debugging.
238 config ETRAX_KGDB_PORT2
241 Use serial port 2 for kernel debugging.
243 config ETRAX_KGDB_PORT3
246 Use serial port 3 for kernel debugging.
250 source arch/cris/arch-v10/Kconfig
251 source arch/cris/arch-v32/Kconfig
257 # bring in ETRAX built-in drivers
258 menu "Drivers for built-in interfaces"
259 source arch/cris/arch-v10/drivers/Kconfig
260 source arch/cris/arch-v32/drivers/Kconfig
263 bool "Real Time Clock support"
266 Enables drivers for the Real-Time Clock battery-backed chips on
267 some products. The kernel reads the time when booting, and
268 the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
269 rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
270 device. You can check the time with cat /proc/rtc, but
271 normal time reading should be done using libc function time and
277 default ETRAX_PCF8563 if ETRAX_ARCH_V32
278 default ETRAX_DS1302 if ETRAX_ARCH_V10
281 depends on ETRAX_ARCH_V10
284 Enables the driver for the DS1302 Real-Time Clock battery-backed
285 chip on some products.
290 Enables the driver for the PCF8563 Real-Time Clock battery-backed
291 chip on some products.
296 prompt "Network LED behavior"
297 depends on ETRAX_ETHERNET
298 default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
300 config ETRAX_NETWORK_LED_ON_WHEN_LINK
301 bool "LED_on_when_link"
303 Selecting LED_on_when_link will light the LED when there is a
304 connection and will flash off when there is activity.
306 Selecting LED_on_when_activity will light the LED only when
309 This setting will also affect the behaviour of other activity LEDs
312 config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
313 bool "LED_on_when_activity"
315 Selecting LED_on_when_link will light the LED when there is a
316 connection and will flash off when there is activity.
318 Selecting LED_on_when_activity will light the LED only when
321 This setting will also affect the behaviour of other activity LEDs
327 prompt "Ser0 DMA out channel"
328 depends on ETRAX_SERIAL_PORT0
329 default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
330 default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
332 config ETRAX_SERIAL_PORT0_NO_DMA_OUT
333 bool "Ser0 uses no DMA for output"
335 Do not use DMA for ser0 output.
337 config ETRAX_SERIAL_PORT0_DMA6_OUT
338 bool "Ser0 uses DMA6 for output"
341 Enables the DMA6 output channel for ser0 (ttyS0).
342 If you do not enable DMA, an interrupt for each character will be
343 used when transmitting data.
344 Normally you want to use DMA, unless you use the DMA channel for
347 config ETRAX_SERIAL_PORT0_DMA0_OUT
348 bool "Ser0 uses DMA0 for output"
349 depends on CRIS_MACH_ARTPEC3
351 Enables the DMA0 output channel for ser0 (ttyS0).
352 If you do not enable DMA, an interrupt for each character will be
353 used when transmitting data.
354 Normally you want to use DMA, unless you use the DMA channel for
360 prompt "Ser0 DMA in channel "
361 depends on ETRAX_SERIAL_PORT0
362 default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
363 default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
365 What DMA channel to use for ser0.
367 config ETRAX_SERIAL_PORT0_NO_DMA_IN
368 bool "Ser0 uses no DMA for input"
370 Do not use DMA for ser0 input.
372 config ETRAX_SERIAL_PORT0_DMA7_IN
373 bool "Ser0 uses DMA7 for input"
376 Enables the DMA7 input channel for ser0 (ttyS0).
377 If you do not enable DMA, an interrupt for each character will be
378 used when receiving data.
379 Normally you want to use DMA, unless you use the DMA channel for
382 config ETRAX_SERIAL_PORT0_DMA1_IN
383 bool "Ser0 uses DMA1 for input"
384 depends on CRIS_MACH_ARTPEC3
386 Enables the DMA1 input channel for ser0 (ttyS0).
387 If you do not enable DMA, an interrupt for each character will be
388 used when receiveing data.
389 Normally you want to use DMA, unless you use the DMA channel for
395 prompt "Ser1 DMA in channel "
396 depends on ETRAX_SERIAL_PORT1
397 default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
398 default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
400 What DMA channel to use for ser1.
402 config ETRAX_SERIAL_PORT1_NO_DMA_IN
403 bool "Ser1 uses no DMA for input"
405 Do not use DMA for ser1 input.
407 config ETRAX_SERIAL_PORT1_DMA5_IN
408 bool "Ser1 uses DMA5 for input"
409 depends on ETRAX_ARCH_V32
411 Enables the DMA5 input channel for ser1 (ttyS1).
412 If you do not enable DMA, an interrupt for each character will be
413 used when receiving data.
414 Normally you want this on, unless you use the DMA channel for
417 config ETRAX_SERIAL_PORT1_DMA9_IN
418 depends on ETRAX_ARCH_V10
419 bool "Ser1 uses DMA9 for input"
425 prompt "Ser1 DMA out channel"
426 depends on ETRAX_SERIAL_PORT1
427 default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
428 default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
430 What DMA channel to use for ser1.
432 config ETRAX_SERIAL_PORT1_NO_DMA_OUT
433 bool "Ser1 uses no DMA for output"
435 Do not use DMA for ser1 output.
437 config ETRAX_SERIAL_PORT1_DMA8_OUT
438 depends on ETRAX_ARCH_V10
439 bool "Ser1 uses DMA8 for output"
441 config ETRAX_SERIAL_PORT1_DMA4_OUT
442 depends on ETRAX_ARCH_V32
443 bool "Ser1 uses DMA4 for output"
445 Enables the DMA4 output channel for ser1 (ttyS1).
446 If you do not enable DMA, an interrupt for each character will be
447 used when transmitting data.
448 Normally you want this on, unless you use the DMA channel for
454 prompt "Ser2 DMA out channel"
455 depends on ETRAX_SERIAL_PORT2
456 default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
457 default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
459 config ETRAX_SERIAL_PORT2_NO_DMA_OUT
460 bool "Ser2 uses no DMA for output"
462 Do not use DMA for ser2 output.
464 config ETRAX_SERIAL_PORT2_DMA2_OUT
465 bool "Ser2 uses DMA2 for output"
466 depends on ETRAXFS || ETRAX_ARCH_V10
468 Enables the DMA2 output channel for ser2 (ttyS2).
469 If you do not enable DMA, an interrupt for each character will be
470 used when transmitting data.
471 Normally you want to use DMA, unless you use the DMA channel for
474 config ETRAX_SERIAL_PORT2_DMA6_OUT
475 bool "Ser2 uses DMA6 for output"
476 depends on CRIS_MACH_ARTPEC3
478 Enables the DMA6 output channel for ser2 (ttyS2).
479 If you do not enable DMA, an interrupt for each character will be
480 used when transmitting data.
481 Normally you want to use DMA, unless you use the DMA channel for
487 prompt "Ser2 DMA in channel"
488 depends on ETRAX_SERIAL_PORT2
489 default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
490 default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
492 What DMA channel to use for ser2.
494 config ETRAX_SERIAL_PORT2_NO_DMA_IN
495 bool "Ser2 uses no DMA for input"
497 Do not use DMA for ser2 input.
499 config ETRAX_SERIAL_PORT2_DMA3_IN
500 bool "Ser2 uses DMA3 for input"
501 depends on ETRAXFS || ETRAX_ARCH_V10
503 Enables the DMA3 input channel for ser2 (ttyS2).
504 If you do not enable DMA, an interrupt for each character will be
505 used when receiving data.
506 Normally you want to use DMA, unless you use the DMA channel for
509 config ETRAX_SERIAL_PORT2_DMA7_IN
510 bool "Ser2 uses DMA7 for input"
511 depends on CRIS_MACH_ARTPEC3
513 Enables the DMA7 input channel for ser2 (ttyS2).
514 If you do not enable DMA, an interrupt for each character will be
515 used when receiveing data.
516 Normally you want to use DMA, unless you use the DMA channel for
522 prompt "Ser3 DMA in channel"
523 depends on ETRAX_SERIAL_PORT3
524 default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
525 default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
527 What DMA channel to use for ser3.
529 config ETRAX_SERIAL_PORT3_NO_DMA_IN
530 bool "Ser3 uses no DMA for input"
532 Do not use DMA for ser3 input.
534 config ETRAX_SERIAL_PORT3_DMA5_IN
535 depends on ETRAX_ARCH_V10
538 config ETRAX_SERIAL_PORT3_DMA9_IN
539 bool "Ser3 uses DMA9 for input"
542 Enables the DMA9 input channel for ser3 (ttyS3).
543 If you do not enable DMA, an interrupt for each character will be
544 used when receiving data.
545 Normally you want to use DMA, unless you use the DMA channel for
548 config ETRAX_SERIAL_PORT3_DMA3_IN
549 bool "Ser3 uses DMA3 for input"
550 depends on CRIS_MACH_ARTPEC3
552 Enables the DMA3 input channel for ser3 (ttyS3).
553 If you do not enable DMA, an interrupt for each character will be
554 used when receiveing data.
555 Normally you want to use DMA, unless you use the DMA channel for
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
566 config ETRAX_SERIAL_PORT3_NO_DMA_OUT
567 bool "Ser3 uses no DMA for output"
569 Do not use DMA for ser3 output.
571 config ETRAX_SERIAL_PORT3_DMA4_OUT
572 depends on ETRAX_ARCH_V10
575 config ETRAX_SERIAL_PORT3_DMA8_OUT
576 bool "Ser3 uses DMA8 for output"
579 Enables the DMA8 output channel for ser3 (ttyS3).
580 If you do not enable DMA, an interrupt for each character will be
581 used when transmitting data.
582 Normally you want to use DMA, unless you use the DMA channel for
585 config ETRAX_SERIAL_PORT3_DMA2_OUT
586 bool "Ser3 uses DMA2 for output"
587 depends on CRIS_MACH_ARTPEC3
589 Enables the DMA2 output channel for ser3 (ttyS3).
590 If you do not enable DMA, an interrupt for each character will be
591 used when transmitting data.
592 Normally you want to use DMA, unless you use the DMA channel for
599 source "drivers/base/Kconfig"
601 # standard linux drivers
602 source "drivers/mtd/Kconfig"
604 source "drivers/parport/Kconfig"
606 source "drivers/pnp/Kconfig"
608 source "drivers/block/Kconfig"
610 source "drivers/ide/Kconfig"
612 source "drivers/net/Kconfig"
614 source "drivers/i2c/Kconfig"
616 source "drivers/rtc/Kconfig"
619 # input before char - char/joystick depends on it. As does USB.
621 source "drivers/input/Kconfig"
623 source "drivers/char/Kconfig"
627 source "drivers/usb/Kconfig"
629 source "arch/cris/Kconfig.debug"
631 source "security/Kconfig"
633 source "crypto/Kconfig"