Kconfig 16 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see the Configure script.
  4. #
  5. mainmenu "Linux/CRIS Kernel Configuration"
  6. config MMU
  7. bool
  8. default y
  9. config ZONE_DMA
  10. bool
  11. default y
  12. config RWSEM_GENERIC_SPINLOCK
  13. bool
  14. default y
  15. config RWSEM_XCHGADD_ALGORITHM
  16. bool
  17. config GENERIC_IOMAP
  18. bool
  19. default y
  20. config ARCH_HAS_ILOG2_U32
  21. bool
  22. default n
  23. config ARCH_HAS_ILOG2_U64
  24. bool
  25. default n
  26. config GENERIC_FIND_NEXT_BIT
  27. bool
  28. default y
  29. config GENERIC_HWEIGHT
  30. bool
  31. default y
  32. config GENERIC_CALIBRATE_DELAY
  33. bool
  34. default y
  35. config NO_IOPORT
  36. def_bool y
  37. config FORCE_MAX_ZONEORDER
  38. int
  39. default 6
  40. config CRIS
  41. bool
  42. default y
  43. select HAVE_IDE
  44. config HZ
  45. int
  46. default 100
  47. source "init/Kconfig"
  48. menu "General setup"
  49. source "fs/Kconfig.binfmt"
  50. config GENERIC_HARDIRQS
  51. bool
  52. default y
  53. config ETRAX_CMDLINE
  54. string "Kernel command line"
  55. default "root=/dev/mtdblock3"
  56. help
  57. Pass additional commands to the kernel.
  58. config ETRAX_WATCHDOG
  59. bool "Enable ETRAX watchdog"
  60. help
  61. Enable the built-in watchdog timer support on ETRAX based embedded
  62. network computers.
  63. config ETRAX_WATCHDOG_NICE_DOGGY
  64. bool "Disable watchdog during Oops printouts"
  65. depends on ETRAX_WATCHDOG
  66. help
  67. By enabling this you make sure that the watchdog does not bite while
  68. printing oopses. Recommended for development systems but not for
  69. production releases.
  70. config ETRAX_FAST_TIMER
  71. bool "Enable ETRAX fast timer API"
  72. help
  73. This options enables the API to a fast timer implementation using
  74. timer1 to get sub jiffie resolution timers (primarily one-shot
  75. timers).
  76. This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
  77. config ETRAX_KMALLOCED_MODULES
  78. bool "Enable module allocation with kmalloc"
  79. help
  80. Enable module allocation with kmalloc instead of vmalloc.
  81. config OOM_REBOOT
  82. bool "Enable reboot at out of memory"
  83. source "kernel/Kconfig.preempt"
  84. source mm/Kconfig
  85. endmenu
  86. menu "Hardware setup"
  87. choice
  88. prompt "Processor type"
  89. default ETRAX100LX
  90. config ETRAX100LX
  91. bool "ETRAX-100LX-v1"
  92. help
  93. Support version 1 of the ETRAX 100LX.
  94. config ETRAX100LX_V2
  95. bool "ETRAX-100LX-v2"
  96. help
  97. Support version 2 of the ETRAX 100LX.
  98. config SVINTO_SIM
  99. bool "ETRAX-100LX-for-xsim-simulator"
  100. help
  101. Support the xsim ETRAX Simulator.
  102. config ETRAXFS
  103. bool "ETRAX-FS-V32"
  104. help
  105. Support CRIS V32.
  106. config CRIS_MACH_ARTPEC3
  107. bool "ARTPEC-3"
  108. help
  109. Support Axis ARTPEC-3.
  110. endchoice
  111. config ETRAX_VCS_SIM
  112. bool "VCS Simulator"
  113. help
  114. Setup hardware to be run in the VCS simulator.
  115. config ETRAX_ARCH_V10
  116. bool
  117. default y if ETRAX100LX || ETRAX100LX_V2
  118. default n if !(ETRAX100LX || ETRAX100LX_V2)
  119. config ETRAX_ARCH_V32
  120. bool
  121. default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
  122. default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
  123. config ETRAX_DRAM_SIZE
  124. int "DRAM size (dec, in MB)"
  125. default "8"
  126. help
  127. Size of DRAM (decimal in MB) typically 2, 8 or 16.
  128. config ETRAX_VMEM_SIZE
  129. int "Video memory size (dec, in MB)"
  130. depends on ETRAX_ARCH_V32 && !ETRAXFS
  131. default 8 if !ETRAXFS
  132. help
  133. Size of Video accessible memory (decimal, in MB).
  134. config ETRAX_FLASH_BUSWIDTH
  135. int "Buswidth of NOR flash in bytes"
  136. default "2"
  137. help
  138. Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
  139. config ETRAX_NANDFLASH_BUSWIDTH
  140. int "Buswidth of NAND flash in bytes"
  141. default "1"
  142. help
  143. Width in bytes of the NAND flash (1 or 2).
  144. config ETRAX_FLASH1_SIZE
  145. int "FLASH1 size (dec, in MB. 0 = Unknown)"
  146. default "0"
  147. choice
  148. prompt "Product debug-port"
  149. default ETRAX_DEBUG_PORT0
  150. config ETRAX_DEBUG_PORT0
  151. bool "Serial-0"
  152. help
  153. Choose a serial port for the ETRAX debug console. Default to
  154. port 0.
  155. config ETRAX_DEBUG_PORT1
  156. bool "Serial-1"
  157. help
  158. Use serial port 1 for the console.
  159. config ETRAX_DEBUG_PORT2
  160. bool "Serial-2"
  161. help
  162. Use serial port 2 for the console.
  163. config ETRAX_DEBUG_PORT3
  164. bool "Serial-3"
  165. help
  166. Use serial port 3 for the console.
  167. config ETRAX_DEBUG_PORT_NULL
  168. bool "disabled"
  169. help
  170. Disable serial-port debugging.
  171. endchoice
  172. choice
  173. prompt "Kernel GDB port"
  174. depends on ETRAX_KGDB
  175. default ETRAX_KGDB_PORT0
  176. help
  177. Choose a serial port for kernel debugging. NOTE: This port should
  178. not be enabled under Drivers for built-in interfaces (as it has its
  179. own initialization code) and should not be the same as the debug port.
  180. config ETRAX_KGDB_PORT0
  181. bool "Serial-0"
  182. help
  183. Use serial port 0 for kernel debugging.
  184. config ETRAX_KGDB_PORT1
  185. bool "Serial-1"
  186. help
  187. Use serial port 1 for kernel debugging.
  188. config ETRAX_KGDB_PORT2
  189. bool "Serial-2"
  190. help
  191. Use serial port 2 for kernel debugging.
  192. config ETRAX_KGDB_PORT3
  193. bool "Serial-3"
  194. help
  195. Use serial port 3 for kernel debugging.
  196. endchoice
  197. source arch/cris/arch-v10/Kconfig
  198. source arch/cris/arch-v32/Kconfig
  199. endmenu
  200. source "net/Kconfig"
  201. # bring in ETRAX built-in drivers
  202. menu "Drivers for built-in interfaces"
  203. source arch/cris/arch-v10/drivers/Kconfig
  204. source arch/cris/arch-v32/drivers/Kconfig
  205. config ETRAX_AXISFLASHMAP
  206. bool "Axis flash-map support"
  207. select MTD
  208. select MTD_CFI
  209. select MTD_CFI_AMDSTD
  210. select MTD_JEDECPROBE if ETRAX_ARCH_V32
  211. select MTD_CHAR
  212. select MTD_BLOCK
  213. select MTD_PARTITIONS
  214. select MTD_CONCAT
  215. select MTD_COMPLEX_MAPPINGS
  216. help
  217. This option enables MTD mapping of flash devices. Needed to use
  218. flash memories. If unsure, say Y.
  219. config ETRAX_RTC
  220. bool "Real Time Clock support"
  221. depends on ETRAX_I2C
  222. help
  223. Enables drivers for the Real-Time Clock battery-backed chips on
  224. some products. The kernel reads the time when booting, and
  225. the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
  226. rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
  227. device. You can check the time with cat /proc/rtc, but
  228. normal time reading should be done using libc function time and
  229. friends.
  230. choice
  231. prompt "RTC chip"
  232. depends on ETRAX_RTC
  233. default ETRAX_PCF8563 if ETRAX_ARCH_V32
  234. default ETRAX_DS1302 if ETRAX_ARCH_V10
  235. config ETRAX_DS1302
  236. depends on ETRAX_ARCH_V10
  237. bool "DS1302"
  238. help
  239. Enables the driver for the DS1302 Real-Time Clock battery-backed
  240. chip on some products.
  241. config ETRAX_PCF8563
  242. bool "PCF8563"
  243. help
  244. Enables the driver for the PCF8563 Real-Time Clock battery-backed
  245. chip on some products.
  246. endchoice
  247. config ETRAX_SYNCHRONOUS_SERIAL
  248. bool "Synchronous serial-port support"
  249. help
  250. Select this to enable the synchronous serial port driver.
  251. config ETRAX_SYNCHRONOUS_SERIAL_PORT0
  252. bool "Synchronous serial port 0 enabled"
  253. depends on ETRAX_SYNCHRONOUS_SERIAL
  254. help
  255. Enabled synchronous serial port 0.
  256. config ETRAX_SYNCHRONOUS_SERIAL0_DMA
  257. bool "Enable DMA on synchronous serial port 0."
  258. depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
  259. help
  260. A synchronous serial port can run in manual or DMA mode.
  261. Selecting this option will make it run in DMA mode.
  262. config ETRAX_SYNCHRONOUS_SERIAL_PORT1
  263. bool "Synchronous serial port 1 enabled"
  264. depends on ETRAX_SYNCHRONOUS_SERIAL && (ETRAXFS || ETRAX_ARCH_V10)
  265. help
  266. Enabled synchronous serial port 1.
  267. config ETRAX_SYNCHRONOUS_SERIAL1_DMA
  268. bool "Enable DMA on synchronous serial port 1."
  269. depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
  270. help
  271. A synchronous serial port can run in manual or DMA mode.
  272. Selecting this option will make it run in DMA mode.
  273. choice
  274. prompt "Network LED behavior"
  275. depends on ETRAX_ETHERNET
  276. default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
  277. config ETRAX_NETWORK_LED_ON_WHEN_LINK
  278. bool "LED_on_when_link"
  279. help
  280. Selecting LED_on_when_link will light the LED when there is a
  281. connection and will flash off when there is activity.
  282. Selecting LED_on_when_activity will light the LED only when
  283. there is activity.
  284. This setting will also affect the behaviour of other activity LEDs
  285. e.g. Bluetooth.
  286. config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
  287. bool "LED_on_when_activity"
  288. help
  289. Selecting LED_on_when_link will light the LED when there is a
  290. connection and will flash off when there is activity.
  291. Selecting LED_on_when_activity will light the LED only when
  292. there is activity.
  293. This setting will also affect the behaviour of other activity LEDs
  294. e.g. Bluetooth.
  295. endchoice
  296. choice
  297. prompt "Ser0 DMA out channel"
  298. depends on ETRAX_SERIAL_PORT0
  299. default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
  300. default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
  301. config ETRAX_SERIAL_PORT0_NO_DMA_OUT
  302. bool "Ser0 uses no DMA for output"
  303. help
  304. Do not use DMA for ser0 output.
  305. config ETRAX_SERIAL_PORT0_DMA6_OUT
  306. bool "Ser0 uses DMA6 for output"
  307. depends on ETRAXFS
  308. help
  309. Enables the DMA6 output channel for ser0 (ttyS0).
  310. If you do not enable DMA, an interrupt for each character will be
  311. used when transmitting data.
  312. Normally you want to use DMA, unless you use the DMA channel for
  313. something else.
  314. config ETRAX_SERIAL_PORT0_DMA0_OUT
  315. bool "Ser0 uses DMA0 for output"
  316. depends on CRIS_MACH_ARTPEC3
  317. help
  318. Enables the DMA0 output channel for ser0 (ttyS0).
  319. If you do not enable DMA, an interrupt for each character will be
  320. used when transmitting data.
  321. Normally you want to use DMA, unless you use the DMA channel for
  322. something else.
  323. endchoice
  324. choice
  325. prompt "Ser0 DMA in channel "
  326. depends on ETRAX_SERIAL_PORT0
  327. default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
  328. default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
  329. help
  330. What DMA channel to use for ser0.
  331. config ETRAX_SERIAL_PORT0_NO_DMA_IN
  332. bool "Ser0 uses no DMA for input"
  333. help
  334. Do not use DMA for ser0 input.
  335. config ETRAX_SERIAL_PORT0_DMA7_IN
  336. bool "Ser0 uses DMA7 for input"
  337. depends on ETRAXFS
  338. help
  339. Enables the DMA7 input channel for ser0 (ttyS0).
  340. If you do not enable DMA, an interrupt for each character will be
  341. used when receiving data.
  342. Normally you want to use DMA, unless you use the DMA channel for
  343. something else.
  344. config ETRAX_SERIAL_PORT0_DMA1_IN
  345. bool "Ser0 uses DMA1 for input"
  346. depends on CRIS_MACH_ARTPEC3
  347. help
  348. Enables the DMA1 input channel for ser0 (ttyS0).
  349. If you do not enable DMA, an interrupt for each character will be
  350. used when receiveing data.
  351. Normally you want to use DMA, unless you use the DMA channel for
  352. something else.
  353. endchoice
  354. choice
  355. prompt "Ser1 DMA in channel "
  356. depends on ETRAX_SERIAL_PORT1
  357. default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
  358. default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
  359. help
  360. What DMA channel to use for ser1.
  361. config ETRAX_SERIAL_PORT1_NO_DMA_IN
  362. bool "Ser1 uses no DMA for input"
  363. help
  364. Do not use DMA for ser1 input.
  365. config ETRAX_SERIAL_PORT1_DMA5_IN
  366. bool "Ser1 uses DMA5 for input"
  367. depends on ETRAX_ARCH_V32
  368. help
  369. Enables the DMA5 input channel for ser1 (ttyS1).
  370. If you do not enable DMA, an interrupt for each character will be
  371. used when receiving data.
  372. Normally you want this on, unless you use the DMA channel for
  373. something else.
  374. config ETRAX_SERIAL_PORT1_DMA9_IN
  375. depends on ETRAX_ARCH_V10
  376. bool "Ser1 uses DMA9 for input"
  377. endchoice
  378. choice
  379. prompt "Ser1 DMA out channel"
  380. depends on ETRAX_SERIAL_PORT1
  381. default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
  382. default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
  383. help
  384. What DMA channel to use for ser1.
  385. config ETRAX_SERIAL_PORT1_NO_DMA_OUT
  386. bool "Ser1 uses no DMA for output"
  387. help
  388. Do not use DMA for ser1 output.
  389. config ETRAX_SERIAL_PORT1_DMA8_OUT
  390. depends on ETRAX_ARCH_V10
  391. bool "Ser1 uses DMA8 for output"
  392. config ETRAX_SERIAL_PORT1_DMA4_OUT
  393. depends on ETRAX_ARCH_V32
  394. bool "Ser1 uses DMA4 for output"
  395. help
  396. Enables the DMA4 output channel for ser1 (ttyS1).
  397. If you do not enable DMA, an interrupt for each character will be
  398. used when transmitting data.
  399. Normally you want this on, unless you use the DMA channel for
  400. something else.
  401. endchoice
  402. choice
  403. prompt "Ser2 DMA out channel"
  404. depends on ETRAX_SERIAL_PORT2
  405. default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
  406. default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
  407. config ETRAX_SERIAL_PORT2_NO_DMA_OUT
  408. bool "Ser2 uses no DMA for output"
  409. help
  410. Do not use DMA for ser2 output.
  411. config ETRAX_SERIAL_PORT2_DMA2_OUT
  412. bool "Ser2 uses DMA2 for output"
  413. depends on ETRAXFS || ETRAX_ARCH_V10
  414. help
  415. Enables the DMA2 output channel for ser2 (ttyS2).
  416. If you do not enable DMA, an interrupt for each character will be
  417. used when transmitting data.
  418. Normally you want to use DMA, unless you use the DMA channel for
  419. something else.
  420. config ETRAX_SERIAL_PORT2_DMA6_OUT
  421. bool "Ser2 uses DMA6 for output"
  422. depends on CRIS_MACH_ARTPEC3
  423. help
  424. Enables the DMA6 output channel for ser2 (ttyS2).
  425. If you do not enable DMA, an interrupt for each character will be
  426. used when transmitting data.
  427. Normally you want to use DMA, unless you use the DMA channel for
  428. something else.
  429. endchoice
  430. choice
  431. prompt "Ser2 DMA in channel"
  432. depends on ETRAX_SERIAL_PORT2
  433. default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
  434. default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
  435. help
  436. What DMA channel to use for ser2.
  437. config ETRAX_SERIAL_PORT2_NO_DMA_IN
  438. bool "Ser2 uses no DMA for input"
  439. help
  440. Do not use DMA for ser2 input.
  441. config ETRAX_SERIAL_PORT2_DMA3_IN
  442. bool "Ser2 uses DMA3 for input"
  443. depends on ETRAXFS || ETRAX_ARCH_V10
  444. help
  445. Enables the DMA3 input channel for ser2 (ttyS2).
  446. If you do not enable DMA, an interrupt for each character will be
  447. used when receiving data.
  448. Normally you want to use DMA, unless you use the DMA channel for
  449. something else.
  450. config ETRAX_SERIAL_PORT2_DMA7_IN
  451. bool "Ser2 uses DMA7 for input"
  452. depends on CRIS_MACH_ARTPEC3
  453. help
  454. Enables the DMA7 input channel for ser2 (ttyS2).
  455. If you do not enable DMA, an interrupt for each character will be
  456. used when receiveing data.
  457. Normally you want to use DMA, unless you use the DMA channel for
  458. something else.
  459. endchoice
  460. choice
  461. prompt "Ser3 DMA in channel"
  462. depends on ETRAX_SERIAL_PORT3
  463. default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
  464. default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
  465. help
  466. What DMA channel to use for ser3.
  467. config ETRAX_SERIAL_PORT3_NO_DMA_IN
  468. bool "Ser3 uses no DMA for input"
  469. help
  470. Do not use DMA for ser3 input.
  471. config ETRAX_SERIAL_PORT3_DMA5_IN
  472. depends on ETRAX_ARCH_V10
  473. bool "DMA 5"
  474. config ETRAX_SERIAL_PORT3_DMA9_IN
  475. bool "Ser3 uses DMA9 for input"
  476. depends on ETRAXFS
  477. help
  478. Enables the DMA9 input channel for ser3 (ttyS3).
  479. If you do not enable DMA, an interrupt for each character will be
  480. used when receiving data.
  481. Normally you want to use DMA, unless you use the DMA channel for
  482. something else.
  483. config ETRAX_SERIAL_PORT3_DMA3_IN
  484. bool "Ser3 uses DMA3 for input"
  485. depends on CRIS_MACH_ARTPEC3
  486. help
  487. Enables the DMA3 input channel for ser3 (ttyS3).
  488. If you do not enable DMA, an interrupt for each character will be
  489. used when receiveing data.
  490. Normally you want to use DMA, unless you use the DMA channel for
  491. something else.
  492. endchoice
  493. choice
  494. prompt "Ser3 DMA out channel"
  495. depends on ETRAX_SERIAL_PORT3
  496. default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
  497. default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
  498. config ETRAX_SERIAL_PORT3_NO_DMA_OUT
  499. bool "Ser3 uses no DMA for output"
  500. help
  501. Do not use DMA for ser3 output.
  502. config ETRAX_SERIAL_PORT3_DMA4_OUT
  503. depends on ETRAX_ARCH_V10
  504. bool "DMA 4"
  505. config ETRAX_SERIAL_PORT3_DMA8_OUT
  506. bool "Ser3 uses DMA8 for output"
  507. depends on ETRAXFS
  508. help
  509. Enables the DMA8 output channel for ser3 (ttyS3).
  510. If you do not enable DMA, an interrupt for each character will be
  511. used when transmitting data.
  512. Normally you want to use DMA, unless you use the DMA channel for
  513. something else.
  514. config ETRAX_SERIAL_PORT3_DMA2_OUT
  515. bool "Ser3 uses DMA2 for output"
  516. depends on CRIS_MACH_ARTPEC3
  517. help
  518. Enables the DMA2 output channel for ser3 (ttyS3).
  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. endchoice
  524. endmenu
  525. source "drivers/base/Kconfig"
  526. # standard linux drivers
  527. source "drivers/mtd/Kconfig"
  528. source "drivers/parport/Kconfig"
  529. source "drivers/pnp/Kconfig"
  530. source "drivers/block/Kconfig"
  531. source "drivers/ide/Kconfig"
  532. source "drivers/net/Kconfig"
  533. source "drivers/i2c/Kconfig"
  534. source "drivers/rtc/Kconfig"
  535. #
  536. # input before char - char/joystick depends on it. As does USB.
  537. #
  538. source "drivers/input/Kconfig"
  539. source "drivers/char/Kconfig"
  540. source "fs/Kconfig"
  541. source "drivers/usb/Kconfig"
  542. source "arch/cris/Kconfig.debug"
  543. source "security/Kconfig"
  544. source "crypto/Kconfig"
  545. source "lib/Kconfig"