Kconfig 49 KB

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  1. #
  2. # Serial device configuration
  3. #
  4. if TTY
  5. menu "Serial drivers"
  6. depends on HAS_IOMEM
  7. config SERIAL_EARLYCON
  8. bool
  9. depends on SERIAL_CORE
  10. help
  11. Support for early consoles with the earlycon parameter. This enables
  12. the console before standard serial driver is probed. The console is
  13. enabled when early_param is processed.
  14. source "drivers/tty/serial/8250/Kconfig"
  15. comment "Non-8250 serial port support"
  16. config SERIAL_AMBA_PL010
  17. tristate "ARM AMBA PL010 serial port support"
  18. depends on ARM_AMBA
  19. select SERIAL_CORE
  20. help
  21. This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
  22. an Integrator/AP or Integrator/PP2 platform, or if you have a
  23. Cirrus Logic EP93xx CPU, say Y or M here.
  24. If unsure, say N.
  25. config SERIAL_AMBA_PL010_CONSOLE
  26. bool "Support for console on AMBA serial port"
  27. depends on SERIAL_AMBA_PL010=y
  28. select SERIAL_CORE_CONSOLE
  29. ---help---
  30. Say Y here if you wish to use an AMBA PrimeCell UART as the system
  31. console (the system console is the device which receives all kernel
  32. messages and warnings and which allows logins in single user mode).
  33. Even if you say Y here, the currently visible framebuffer console
  34. (/dev/tty0) will still be used as the system console by default, but
  35. you can alter that using a kernel command line option such as
  36. "console=ttyAM0". (Try "man bootparam" or see the documentation of
  37. your boot loader (lilo or loadlin) about how to pass options to the
  38. kernel at boot time.)
  39. config SERIAL_AMBA_PL011
  40. tristate "ARM AMBA PL011 serial port support"
  41. depends on ARM_AMBA
  42. select SERIAL_CORE
  43. help
  44. This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
  45. an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
  46. here.
  47. If unsure, say N.
  48. config SERIAL_AMBA_PL011_CONSOLE
  49. bool "Support for console on AMBA serial port"
  50. depends on SERIAL_AMBA_PL011=y
  51. select SERIAL_CORE_CONSOLE
  52. select SERIAL_EARLYCON
  53. ---help---
  54. Say Y here if you wish to use an AMBA PrimeCell UART as the system
  55. console (the system console is the device which receives all kernel
  56. messages and warnings and which allows logins in single user mode).
  57. Even if you say Y here, the currently visible framebuffer console
  58. (/dev/tty0) will still be used as the system console by default, but
  59. you can alter that using a kernel command line option such as
  60. "console=ttyAMA0". (Try "man bootparam" or see the documentation of
  61. your boot loader (lilo or loadlin) about how to pass options to the
  62. kernel at boot time.)
  63. config SERIAL_EARLYCON_ARM_SEMIHOST
  64. bool "Early console using ARM semihosting"
  65. depends on ARM64 || ARM
  66. select SERIAL_CORE
  67. select SERIAL_CORE_CONSOLE
  68. select SERIAL_EARLYCON
  69. help
  70. Support for early debug console using ARM semihosting. This enables
  71. the console before standard serial driver is probed. This is enabled
  72. with "earlycon=smh" on the kernel command line. The console is
  73. enabled when early_param is processed.
  74. config SERIAL_SB1250_DUART
  75. tristate "BCM1xxx on-chip DUART serial support"
  76. depends on SIBYTE_SB1xxx_SOC=y
  77. select SERIAL_CORE
  78. default y
  79. ---help---
  80. Support for the asynchronous serial interface (DUART) included in
  81. the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that
  82. the letter D in DUART stands for "dual", which is how the device
  83. is implemented. Depending on the SOC configuration there may be
  84. one or more DUARTs available of which all are handled.
  85. If unsure, say Y. To compile this driver as a module, choose M here:
  86. the module will be called sb1250-duart.
  87. config SERIAL_SB1250_DUART_CONSOLE
  88. bool "Support for console on a BCM1xxx DUART serial port"
  89. depends on SERIAL_SB1250_DUART=y
  90. select SERIAL_CORE_CONSOLE
  91. default y
  92. ---help---
  93. If you say Y here, it will be possible to use a serial port as the
  94. system console (the system console is the device which receives all
  95. kernel messages and warnings and which allows logins in single user
  96. mode).
  97. If unsure, say Y.
  98. config SERIAL_ATMEL
  99. bool "AT91 on-chip serial port support"
  100. depends on ARCH_AT91 || COMPILE_TEST
  101. select SERIAL_CORE
  102. select SERIAL_MCTRL_GPIO if GPIOLIB
  103. help
  104. This enables the driver for the on-chip UARTs of the Atmel
  105. AT91 processors.
  106. config SERIAL_ATMEL_CONSOLE
  107. bool "Support for console on AT91 serial port"
  108. depends on SERIAL_ATMEL=y
  109. select SERIAL_CORE_CONSOLE
  110. help
  111. Say Y here if you wish to use an on-chip UART on a Atmel
  112. AT91 processor as the system console (the system
  113. console is the device which receives all kernel messages and
  114. warnings and which allows logins in single user mode).
  115. config SERIAL_ATMEL_PDC
  116. bool "Support DMA transfers on AT91 serial port"
  117. depends on SERIAL_ATMEL
  118. default y
  119. help
  120. Say Y here if you wish to use the PDC to do DMA transfers to
  121. and from the Atmel AT91 serial port. In order to
  122. actually use DMA transfers, make sure that the use_dma_tx
  123. and use_dma_rx members in the atmel_uart_data struct is set
  124. appropriately for each port.
  125. Note that break and error handling currently doesn't work
  126. properly when DMA is enabled. Make sure that ports where
  127. this matters don't use DMA.
  128. config SERIAL_ATMEL_TTYAT
  129. bool "Install as device ttyATn instead of ttySn"
  130. depends on SERIAL_ATMEL=y
  131. help
  132. Say Y here if you wish to have the internal AT91 UARTs
  133. appear as /dev/ttyATn (major 204, minor starting at 154)
  134. instead of the normal /dev/ttySn (major 4, minor starting at
  135. 64). This is necessary if you also want other UARTs, such as
  136. external 8250/16C550 compatible UARTs.
  137. The ttySn nodes are legally reserved for the 8250 serial driver
  138. but are often misused by other serial drivers.
  139. To use this, you should create suitable ttyATn device nodes in
  140. /dev/, and pass "console=ttyATn" to the kernel.
  141. Say Y if you have an external 8250/16C550 UART. If unsure, say N.
  142. config SERIAL_KGDB_NMI
  143. bool "Serial console over KGDB NMI debugger port"
  144. depends on KGDB_SERIAL_CONSOLE
  145. help
  146. This special driver allows you to temporary use NMI debugger port
  147. as a normal console (assuming that the port is attached to KGDB).
  148. Unlike KDB's disable_nmi command, with this driver you are always
  149. able to go back to the debugger using KGDB escape sequence ($3#33).
  150. This is because this console driver processes the input in NMI
  151. context, and thus is able to intercept the magic sequence.
  152. Note that since the console interprets input and uses polling
  153. communication methods, for things like PPP you still must fully
  154. detach debugger port from the KGDB NMI (i.e. disable_nmi), and
  155. use raw console.
  156. If unsure, say N.
  157. config SERIAL_KS8695
  158. bool "Micrel KS8695 (Centaur) serial port support"
  159. depends on ARCH_KS8695
  160. select SERIAL_CORE
  161. help
  162. This selects the Micrel Centaur KS8695 UART. Say Y here.
  163. config SERIAL_KS8695_CONSOLE
  164. bool "Support for console on KS8695 (Centaur) serial port"
  165. depends on SERIAL_KS8695=y
  166. select SERIAL_CORE_CONSOLE
  167. help
  168. Say Y here if you wish to use a KS8695 (Centaur) UART as the
  169. system console (the system console is the device which
  170. receives all kernel messages and warnings and which allows
  171. logins in single user mode).
  172. config SERIAL_MESON
  173. tristate "Meson serial port support"
  174. depends on ARCH_MESON
  175. select SERIAL_CORE
  176. help
  177. This enables the driver for the on-chip UARTs of the Amlogic
  178. MesonX processors.
  179. config SERIAL_MESON_CONSOLE
  180. bool "Support for console on meson"
  181. depends on SERIAL_MESON=y
  182. select SERIAL_CORE_CONSOLE
  183. select SERIAL_EARLYCON
  184. help
  185. Say Y here if you wish to use a Amlogic MesonX UART as the
  186. system console (the system console is the device which
  187. receives all kernel messages and warnings and which allows
  188. logins in single user mode) as /dev/ttyAMLx.
  189. config SERIAL_CLPS711X
  190. tristate "CLPS711X serial port support"
  191. depends on ARCH_CLPS711X || COMPILE_TEST
  192. select SERIAL_CORE
  193. select SERIAL_MCTRL_GPIO if GPIOLIB
  194. help
  195. This enables the driver for the on-chip UARTs of the Cirrus
  196. Logic EP711x/EP721x/EP731x processors.
  197. config SERIAL_CLPS711X_CONSOLE
  198. bool "Support for console on CLPS711X serial port"
  199. depends on SERIAL_CLPS711X=y
  200. select SERIAL_CORE_CONSOLE
  201. help
  202. Even if you say Y here, the currently visible virtual console
  203. (/dev/tty0) will still be used as the system console by default, but
  204. you can alter that using a kernel command line option such as
  205. "console=ttyCL1".
  206. config SERIAL_SAMSUNG
  207. tristate "Samsung SoC serial support"
  208. depends on PLAT_SAMSUNG || ARCH_EXYNOS
  209. select SERIAL_CORE
  210. help
  211. Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
  212. providing /dev/ttySAC0, 1 and 2 (note, some machines may not
  213. provide all of these ports, depending on how the serial port
  214. pins are configured.
  215. config SERIAL_SAMSUNG_UARTS_4
  216. bool
  217. depends on SERIAL_SAMSUNG
  218. default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
  219. help
  220. Internal node for the common case of 4 Samsung compatible UARTs
  221. config SERIAL_SAMSUNG_UARTS
  222. int
  223. depends on SERIAL_SAMSUNG
  224. default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
  225. default 3
  226. help
  227. Select the number of available UART ports for the Samsung S3C
  228. serial driver
  229. config SERIAL_SAMSUNG_DEBUG
  230. bool "Samsung SoC serial debug"
  231. depends on SERIAL_SAMSUNG && DEBUG_LL
  232. help
  233. Add support for debugging the serial driver. Since this is
  234. generally being used as a console, we use our own output
  235. routines that go via the low-level debug printascii()
  236. function.
  237. config SERIAL_SAMSUNG_CONSOLE
  238. bool "Support for console on Samsung SoC serial port"
  239. depends on SERIAL_SAMSUNG=y
  240. select SERIAL_CORE_CONSOLE
  241. select SERIAL_EARLYCON
  242. help
  243. Allow selection of the S3C24XX on-board serial ports for use as
  244. an virtual console.
  245. Even if you say Y here, the currently visible virtual console
  246. (/dev/tty0) will still be used as the system console by default, but
  247. you can alter that using a kernel command line option such as
  248. "console=ttySACx". (Try "man bootparam" or see the documentation of
  249. your boot loader about how to pass options to the kernel at
  250. boot time.)
  251. config SERIAL_SIRFSOC
  252. tristate "SiRF SoC Platform Serial port support"
  253. depends on ARCH_SIRF
  254. select SERIAL_CORE
  255. help
  256. Support for the on-chip UART on the CSR SiRFprimaII series,
  257. providing /dev/ttySiRF0, 1 and 2 (note, some machines may not
  258. provide all of these ports, depending on how the serial port
  259. pins are configured).
  260. config SERIAL_SIRFSOC_CONSOLE
  261. bool "Support for console on SiRF SoC serial port"
  262. depends on SERIAL_SIRFSOC=y
  263. select SERIAL_CORE_CONSOLE
  264. help
  265. Even if you say Y here, the currently visible virtual console
  266. (/dev/tty0) will still be used as the system console by default, but
  267. you can alter that using a kernel command line option such as
  268. "console=ttySiRFx". (Try "man bootparam" or see the documentation of
  269. your boot loader about how to pass options to the kernel at
  270. boot time.)
  271. config SERIAL_TEGRA
  272. tristate "NVIDIA Tegra20/30 SoC serial controller"
  273. depends on ARCH_TEGRA && TEGRA20_APB_DMA
  274. select SERIAL_CORE
  275. help
  276. Support for the on-chip UARTs on the NVIDIA Tegra series SOCs
  277. providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not
  278. provide all of these ports, depending on how the serial port
  279. are enabled). This driver uses the APB DMA to achieve higher baudrate
  280. and better performance.
  281. config SERIAL_MAX3100
  282. tristate "MAX3100 support"
  283. depends on SPI
  284. select SERIAL_CORE
  285. help
  286. MAX3100 chip support
  287. config SERIAL_MAX310X
  288. tristate "MAX310X support"
  289. depends on SPI_MASTER
  290. select SERIAL_CORE
  291. select REGMAP_SPI if SPI_MASTER
  292. default n
  293. help
  294. This selects support for an advanced UART from Maxim (Dallas).
  295. Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
  296. Each IC contains 128 words each of receive and transmit FIFO
  297. that can be controlled through I2C or high-speed SPI.
  298. Say Y here if you want to support this ICs.
  299. config SERIAL_DZ
  300. bool "DECstation DZ serial driver"
  301. depends on MACH_DECSTATION && 32BIT
  302. select SERIAL_CORE
  303. default y
  304. ---help---
  305. DZ11-family serial controllers for DECstations and VAXstations,
  306. including the DC7085, M7814, and M7819.
  307. config SERIAL_DZ_CONSOLE
  308. bool "Support console on DECstation DZ serial driver"
  309. depends on SERIAL_DZ=y
  310. select SERIAL_CORE_CONSOLE
  311. default y
  312. ---help---
  313. If you say Y here, it will be possible to use a serial port as the
  314. system console (the system console is the device which receives all
  315. kernel messages and warnings and which allows logins in single user
  316. mode).
  317. Note that the firmware uses ttyS3 as the serial console on
  318. DECstations that use this driver.
  319. If unsure, say Y.
  320. config SERIAL_ZS
  321. tristate "DECstation Z85C30 serial support"
  322. depends on MACH_DECSTATION
  323. select SERIAL_CORE
  324. default y
  325. ---help---
  326. Support for the Zilog 85C350 serial communications controller used
  327. for serial ports in newer DECstation systems. These include the
  328. DECsystem 5900 and all models of the DECstation and DECsystem 5000
  329. systems except from model 200.
  330. If unsure, say Y. To compile this driver as a module, choose M here:
  331. the module will be called zs.
  332. config SERIAL_ZS_CONSOLE
  333. bool "Support for console on a DECstation Z85C30 serial port"
  334. depends on SERIAL_ZS=y
  335. select SERIAL_CORE_CONSOLE
  336. default y
  337. ---help---
  338. If you say Y here, it will be possible to use a serial port as the
  339. system console (the system console is the device which receives all
  340. kernel messages and warnings and which allows logins in single user
  341. mode).
  342. Note that the firmware uses ttyS1 as the serial console on the
  343. Maxine and ttyS3 on the others using this driver.
  344. If unsure, say Y.
  345. config SERIAL_21285
  346. tristate "DC21285 serial port support"
  347. depends on FOOTBRIDGE
  348. select SERIAL_CORE
  349. help
  350. If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
  351. PCI bridge you can enable its onboard serial port by enabling this
  352. option.
  353. config SERIAL_21285_CONSOLE
  354. bool "Console on DC21285 serial port"
  355. depends on SERIAL_21285=y
  356. select SERIAL_CORE_CONSOLE
  357. help
  358. If you have enabled the serial port on the 21285 footbridge you can
  359. make it the console by answering Y to this option.
  360. Even if you say Y here, the currently visible virtual console
  361. (/dev/tty0) will still be used as the system console by default, but
  362. you can alter that using a kernel command line option such as
  363. "console=ttyFB". (Try "man bootparam" or see the documentation of
  364. your boot loader (lilo or loadlin) about how to pass options to the
  365. kernel at boot time.)
  366. config SERIAL_MPSC
  367. bool "Marvell MPSC serial port support"
  368. depends on MV64X60
  369. select SERIAL_CORE
  370. help
  371. Say Y here if you want to use the Marvell MPSC serial controller.
  372. config SERIAL_MPSC_CONSOLE
  373. bool "Support for console on Marvell MPSC serial port"
  374. depends on SERIAL_MPSC
  375. select SERIAL_CORE_CONSOLE
  376. help
  377. Say Y here if you want to support a serial console on a Marvell MPSC.
  378. config SERIAL_PXA
  379. bool "PXA serial port support (DEPRECATED)"
  380. depends on ARCH_PXA || ARCH_MMP
  381. select SERIAL_CORE
  382. select SERIAL_8250_PXA if SERIAL_8250=y
  383. select SERIAL_PXA_NON8250 if !SERIAL_8250=y
  384. help
  385. If you have a machine based on an Intel XScale PXA2xx CPU you
  386. can enable its onboard serial ports by enabling this option.
  387. Unless you have a specific need, you should use SERIAL_8250_PXA
  388. instead of this.
  389. config SERIAL_PXA_NON8250
  390. bool
  391. depends on !SERIAL_8250
  392. config SERIAL_PXA_CONSOLE
  393. bool "Console on PXA serial port (DEPRECATED)"
  394. depends on SERIAL_PXA
  395. select SERIAL_CORE_CONSOLE
  396. select SERIAL_8250_CONSOLE if SERIAL_8250=y
  397. help
  398. If you have enabled the serial port on the Intel XScale PXA
  399. CPU you can make it the console by answering Y to this option.
  400. Even if you say Y here, the currently visible virtual console
  401. (/dev/tty0) will still be used as the system console by default, but
  402. you can alter that using a kernel command line option such as
  403. "console=ttySA0". (Try "man bootparam" or see the documentation of
  404. your boot loader (lilo or loadlin) about how to pass options to the
  405. kernel at boot time.)
  406. Unless you have a specific need, you should use SERIAL_8250_PXA
  407. and SERIAL_8250_CONSOLE instead of this.
  408. config SERIAL_SA1100
  409. bool "SA1100 serial port support"
  410. depends on ARCH_SA1100
  411. select SERIAL_CORE
  412. help
  413. If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
  414. can enable its onboard serial port by enabling this option.
  415. Please read <file:Documentation/arm/SA1100/serial_UART> for further
  416. info.
  417. config SERIAL_SA1100_CONSOLE
  418. bool "Console on SA1100 serial port"
  419. depends on SERIAL_SA1100
  420. select SERIAL_CORE_CONSOLE
  421. help
  422. If you have enabled the serial port on the SA1100/SA1110 StrongARM
  423. CPU you can make it the console by answering Y to this option.
  424. Even if you say Y here, the currently visible virtual console
  425. (/dev/tty0) will still be used as the system console by default, but
  426. you can alter that using a kernel command line option such as
  427. "console=ttySA0". (Try "man bootparam" or see the documentation of
  428. your boot loader (lilo or loadlin) about how to pass options to the
  429. kernel at boot time.)
  430. config SERIAL_IMX
  431. tristate "IMX serial port support"
  432. depends on ARCH_MXC || COMPILE_TEST
  433. select SERIAL_CORE
  434. select RATIONAL
  435. select SERIAL_MCTRL_GPIO if GPIOLIB
  436. help
  437. If you have a machine based on a Motorola IMX CPU you
  438. can enable its onboard serial port by enabling this option.
  439. config SERIAL_IMX_CONSOLE
  440. bool "Console on IMX serial port"
  441. depends on SERIAL_IMX=y
  442. select SERIAL_CORE_CONSOLE
  443. select SERIAL_EARLYCON if OF
  444. help
  445. If you have enabled the serial port on the Freescale IMX
  446. CPU you can make it the console by answering Y to this option.
  447. Even if you say Y here, the currently visible virtual console
  448. (/dev/tty0) will still be used as the system console by default, but
  449. you can alter that using a kernel command line option such as
  450. "console=ttymxc0". (Try "man bootparam" or see the documentation of
  451. your bootloader about how to pass options to the kernel at boot time.)
  452. config SERIAL_UARTLITE
  453. tristate "Xilinx uartlite serial port support"
  454. depends on HAS_IOMEM
  455. select SERIAL_CORE
  456. help
  457. Say Y here if you want to use the Xilinx uartlite serial controller.
  458. To compile this driver as a module, choose M here: the
  459. module will be called uartlite.
  460. config SERIAL_UARTLITE_CONSOLE
  461. bool "Support for console on Xilinx uartlite serial port"
  462. depends on SERIAL_UARTLITE=y
  463. select SERIAL_CORE_CONSOLE
  464. select SERIAL_EARLYCON
  465. help
  466. Say Y here if you wish to use a Xilinx uartlite as the system
  467. console (the system console is the device which receives all kernel
  468. messages and warnings and which allows logins in single user mode).
  469. config SERIAL_UARTLITE_NR_UARTS
  470. int "Maximum number of uartlite serial ports"
  471. depends on SERIAL_UARTLITE
  472. range 1 256
  473. default 1
  474. help
  475. Set this to the number of uartlites in your system, or the number
  476. you think you might implement.
  477. config SERIAL_SUNCORE
  478. bool
  479. depends on SPARC
  480. select SERIAL_CORE
  481. select SERIAL_CORE_CONSOLE
  482. default y
  483. config SERIAL_SUNZILOG
  484. tristate "Sun Zilog8530 serial support"
  485. depends on SPARC
  486. help
  487. This driver supports the Zilog8530 serial ports found on many Sparc
  488. systems. Say Y or M if you want to be able to these serial ports.
  489. config SERIAL_SUNZILOG_CONSOLE
  490. bool "Console on Sun Zilog8530 serial port"
  491. depends on SERIAL_SUNZILOG=y
  492. help
  493. If you would like to be able to use the Zilog8530 serial port
  494. on your Sparc system as the console, you can do so by answering
  495. Y to this option.
  496. config SERIAL_SUNSU
  497. tristate "Sun SU serial support"
  498. depends on SPARC && PCI
  499. help
  500. This driver supports the 8250 serial ports that run the keyboard and
  501. mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able
  502. to these serial ports.
  503. config SERIAL_SUNSU_CONSOLE
  504. bool "Console on Sun SU serial port"
  505. depends on SERIAL_SUNSU=y
  506. help
  507. If you would like to be able to use the SU serial port
  508. on your Sparc system as the console, you can do so by answering
  509. Y to this option.
  510. config SERIAL_MUX
  511. tristate "Serial MUX support"
  512. depends on GSC
  513. select SERIAL_CORE
  514. default y
  515. ---help---
  516. Saying Y here will enable the hardware MUX serial driver for
  517. the Nova, K class systems and D class with a 'remote control card'.
  518. The hardware MUX is not 8250/16550 compatible therefore the
  519. /dev/ttyB0 device is shared between the Serial MUX and the PDC
  520. software console. The following steps need to be completed to use
  521. the Serial MUX:
  522. 1. create the device entry (mknod /dev/ttyB0 c 11 0)
  523. 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
  524. 3. Add device ttyB0 to /etc/securetty (if you want to log on as
  525. root on this console.)
  526. 4. Change the kernel command console parameter to: console=ttyB0
  527. config SERIAL_MUX_CONSOLE
  528. bool "Support for console on serial MUX"
  529. depends on SERIAL_MUX=y
  530. select SERIAL_CORE_CONSOLE
  531. default y
  532. config PDC_CONSOLE
  533. bool "PDC software console support"
  534. depends on PARISC && !SERIAL_MUX && VT
  535. default n
  536. help
  537. Saying Y here will enable the software based PDC console to be
  538. used as the system console. This is useful for machines in
  539. which the hardware based console has not been written yet. The
  540. following steps must be completed to use the PDC console:
  541. 1. create the device entry (mknod /dev/ttyB0 c 11 0)
  542. 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
  543. 3. Add device ttyB0 to /etc/securetty (if you want to log on as
  544. root on this console.)
  545. 4. Change the kernel command console parameter to: console=ttyB0
  546. config SERIAL_SUNSAB
  547. tristate "Sun Siemens SAB82532 serial support"
  548. depends on SPARC && PCI
  549. help
  550. This driver supports the Siemens SAB82532 DUSCC serial ports on newer
  551. (PCI) UltraSPARC systems. Say Y or M if you want to be able to these
  552. serial ports.
  553. config SERIAL_SUNSAB_CONSOLE
  554. bool "Console on Sun Siemens SAB82532 serial port"
  555. depends on SERIAL_SUNSAB=y
  556. help
  557. If you would like to be able to use the SAB82532 serial port
  558. on your Sparc system as the console, you can do so by answering
  559. Y to this option.
  560. config SERIAL_SUNHV
  561. bool "Sun4v Hypervisor Console support"
  562. depends on SPARC64
  563. help
  564. This driver supports the console device found on SUN4V Sparc
  565. systems. Say Y if you want to be able to use this device.
  566. config SERIAL_IP22_ZILOG
  567. tristate "SGI Zilog8530 serial support"
  568. depends on SGI_HAS_ZILOG
  569. select SERIAL_CORE
  570. help
  571. This driver supports the Zilog8530 serial ports found on SGI
  572. systems. Say Y or M if you want to be able to these serial ports.
  573. config SERIAL_IP22_ZILOG_CONSOLE
  574. bool "Console on SGI Zilog8530 serial port"
  575. depends on SERIAL_IP22_ZILOG=y
  576. select SERIAL_CORE_CONSOLE
  577. config SERIAL_SH_SCI
  578. tristate "SuperH SCI(F) serial port support"
  579. depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST
  580. select SERIAL_CORE
  581. select SERIAL_MCTRL_GPIO if GPIOLIB
  582. config SERIAL_SH_SCI_NR_UARTS
  583. int "Maximum number of SCI(F) serial ports" if EXPERT
  584. range 1 64 if 64BIT
  585. range 1 32 if !64BIT
  586. depends on SERIAL_SH_SCI
  587. default "3" if H8300
  588. default "10" if SUPERH
  589. default "18" if ARCH_RENESAS
  590. default "2"
  591. config SERIAL_SH_SCI_CONSOLE
  592. bool "Support for console on SuperH SCI(F)" if EXPERT
  593. depends on SERIAL_SH_SCI=y
  594. select SERIAL_CORE_CONSOLE
  595. default y
  596. config SERIAL_SH_SCI_EARLYCON
  597. bool "Support for early console on SuperH SCI(F)" if EXPERT
  598. depends on SERIAL_SH_SCI=y
  599. select SERIAL_CORE_CONSOLE
  600. select SERIAL_EARLYCON
  601. default ARCH_RENESAS || H8300
  602. config SERIAL_SH_SCI_DMA
  603. bool "DMA support" if EXPERT
  604. depends on SERIAL_SH_SCI && DMA_ENGINE
  605. default ARCH_RENESAS
  606. config SERIAL_PNX8XXX
  607. bool "Enable PNX8XXX SoCs' UART Support"
  608. depends on SOC_PNX833X
  609. select SERIAL_CORE
  610. help
  611. If you have a MIPS-based Philips SoC such as PNX8330 and you want
  612. to use serial ports, say Y. Otherwise, say N.
  613. config SERIAL_PNX8XXX_CONSOLE
  614. bool "Enable PNX8XX0 serial console"
  615. depends on SERIAL_PNX8XXX
  616. select SERIAL_CORE_CONSOLE
  617. help
  618. If you have a MIPS-based Philips SoC such as PNX8330 and you want
  619. to use serial console, say Y. Otherwise, say N.
  620. config SERIAL_HS_LPC32XX
  621. tristate "LPC32XX high speed serial port support"
  622. depends on ARCH_LPC32XX && OF
  623. select SERIAL_CORE
  624. help
  625. Support for the LPC32XX high speed serial ports (up to 900kbps).
  626. Those are UARTs completely different from the Standard UARTs on the
  627. LPC32XX SoC.
  628. Choose M or Y here to build this driver.
  629. config SERIAL_HS_LPC32XX_CONSOLE
  630. bool "Enable LPC32XX high speed UART serial console"
  631. depends on SERIAL_HS_LPC32XX=y
  632. select SERIAL_CORE_CONSOLE
  633. help
  634. If you would like to be able to use one of the high speed serial
  635. ports on the LPC32XX as the console, you can do so by answering
  636. Y to this option.
  637. config SERIAL_CORE
  638. tristate
  639. config SERIAL_CORE_CONSOLE
  640. bool
  641. config CONSOLE_POLL
  642. bool
  643. config SERIAL_MCF
  644. bool "Coldfire serial support"
  645. depends on COLDFIRE
  646. select SERIAL_CORE
  647. help
  648. This serial driver supports the Freescale Coldfire serial ports.
  649. config SERIAL_MCF_BAUDRATE
  650. int "Default baudrate for Coldfire serial ports"
  651. depends on SERIAL_MCF
  652. default 19200
  653. help
  654. This setting lets you define what the default baudrate is for the
  655. ColdFire serial ports. The usual default varies from board to board,
  656. and this setting is a way of catering for that.
  657. config SERIAL_MCF_CONSOLE
  658. bool "Coldfire serial console support"
  659. depends on SERIAL_MCF
  660. select SERIAL_CORE_CONSOLE
  661. help
  662. Enable a ColdFire internal serial port to be the system console.
  663. config SERIAL_PMACZILOG
  664. tristate "Mac or PowerMac z85c30 ESCC support"
  665. depends on (M68K && MAC) || PPC_PMAC
  666. select SERIAL_CORE
  667. help
  668. This driver supports the Zilog z85C30 serial ports found on
  669. (Power)Mac machines.
  670. Say Y or M if you want to be able to these serial ports.
  671. config SERIAL_PMACZILOG_TTYS
  672. bool "Use ttySn device nodes for Zilog z85c30"
  673. depends on SERIAL_PMACZILOG
  674. help
  675. The pmac_zilog driver for the z85C30 chip on many powermacs
  676. historically used the device numbers for /dev/ttySn. The
  677. 8250 serial port driver also uses these numbers, which means
  678. the two drivers being unable to coexist; you could not use
  679. both z85C30 and 8250 type ports at the same time.
  680. If this option is not selected, the pmac_zilog driver will
  681. use the device numbers allocated for /dev/ttyPZn. This allows
  682. the pmac_zilog and 8250 drivers to co-exist, but may cause
  683. existing userspace setups to break. Programs that need to
  684. access the built-in serial ports on powermacs will need to
  685. be reconfigured to use /dev/ttyPZn instead of /dev/ttySn.
  686. If you enable this option, any z85c30 ports in the system will
  687. be registered as ttyS0 onwards as in the past, and you will be
  688. unable to use the 8250 module for PCMCIA or other 16C550-style
  689. UARTs.
  690. Say N unless you need the z85c30 ports on your (Power)Mac
  691. to appear as /dev/ttySn.
  692. config SERIAL_PMACZILOG_CONSOLE
  693. bool "Console on Mac or PowerMac z85c30 serial port"
  694. depends on SERIAL_PMACZILOG=y
  695. select SERIAL_CORE_CONSOLE
  696. help
  697. If you would like to be able to use the z85c30 serial port
  698. on your (Power)Mac as the console, you can do so by answering
  699. Y to this option.
  700. config SERIAL_CPM
  701. tristate "CPM SCC/SMC serial port support"
  702. depends on CPM2 || CPM1
  703. select SERIAL_CORE
  704. help
  705. This driver supports the SCC and SMC serial ports on Motorola
  706. embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
  707. config SERIAL_CPM_CONSOLE
  708. bool "Support for console on CPM SCC/SMC serial port"
  709. depends on SERIAL_CPM=y
  710. select SERIAL_CORE_CONSOLE
  711. help
  712. Say Y here if you wish to use a SCC or SMC CPM UART as the system
  713. console (the system console is the device which receives all kernel
  714. messages and warnings and which allows logins in single user mode).
  715. Even if you say Y here, the currently visible framebuffer console
  716. (/dev/tty0) will still be used as the system console by default, but
  717. you can alter that using a kernel command line option such as
  718. "console=ttyCPM0". (Try "man bootparam" or see the documentation of
  719. your boot loader (lilo or loadlin) about how to pass options to the
  720. kernel at boot time.)
  721. config SERIAL_SGI_L1_CONSOLE
  722. bool "SGI Altix L1 serial console support"
  723. depends on IA64_GENERIC || IA64_SGI_SN2
  724. select SERIAL_CORE
  725. select SERIAL_CORE_CONSOLE
  726. help
  727. If you have an SGI Altix and you would like to use the system
  728. controller serial port as your console (you want this!),
  729. say Y. Otherwise, say N.
  730. config SERIAL_PIC32
  731. tristate "Microchip PIC32 serial support"
  732. depends on MACH_PIC32
  733. select SERIAL_CORE
  734. help
  735. If you have a PIC32, this driver supports the serial ports.
  736. Say Y or M to use PIC32 serial ports, otherwise say N. Note that
  737. to use a serial port as a console, this must be included in kernel and
  738. not as a module.
  739. config SERIAL_PIC32_CONSOLE
  740. bool "PIC32 serial console support"
  741. depends on SERIAL_PIC32
  742. select SERIAL_CORE_CONSOLE
  743. help
  744. If you have a PIC32, this driver supports the putting a console on one
  745. of the serial ports.
  746. Say Y to use the PIC32 console, otherwise say N.
  747. config SERIAL_MPC52xx
  748. tristate "Freescale MPC52xx/MPC512x family PSC serial support"
  749. depends on PPC_MPC52xx || PPC_MPC512x
  750. select SERIAL_CORE
  751. help
  752. This driver supports MPC52xx and MPC512x PSC serial ports. If you would
  753. like to use them, you must answer Y or M to this option. Note that
  754. for use as console, it must be included in kernel and not as a
  755. module.
  756. config SERIAL_MPC52xx_CONSOLE
  757. bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port"
  758. depends on SERIAL_MPC52xx=y
  759. select SERIAL_CORE_CONSOLE
  760. help
  761. Select this options if you'd like to use one of the PSC serial port
  762. of the Freescale MPC52xx family as a console.
  763. config SERIAL_MPC52xx_CONSOLE_BAUD
  764. int "Freescale MPC52xx/MPC512x family PSC serial port baud"
  765. depends on SERIAL_MPC52xx_CONSOLE=y
  766. default "9600"
  767. help
  768. Select the MPC52xx console baud rate.
  769. This value is only used if the bootloader doesn't pass in the
  770. console baudrate
  771. config SERIAL_ICOM
  772. tristate "IBM Multiport Serial Adapter"
  773. depends on PCI && PPC_PSERIES
  774. select SERIAL_CORE
  775. select FW_LOADER
  776. help
  777. This driver is for a family of multiport serial adapters
  778. including 2 port RVX, 2 port internal modem, 4 port internal
  779. modem and a split 1 port RVX and 1 port internal modem.
  780. This driver can also be built as a module. If so, the module
  781. will be called icom.
  782. config SERIAL_TXX9
  783. bool "TMPTX39XX/49XX SIO support"
  784. depends on HAS_TXX9_SERIAL
  785. select SERIAL_CORE
  786. default y
  787. config HAS_TXX9_SERIAL
  788. bool
  789. config SERIAL_TXX9_NR_UARTS
  790. int "Maximum number of TMPTX39XX/49XX SIO ports"
  791. depends on SERIAL_TXX9
  792. default "6"
  793. config SERIAL_TXX9_CONSOLE
  794. bool "TMPTX39XX/49XX SIO Console support"
  795. depends on SERIAL_TXX9=y
  796. select SERIAL_CORE_CONSOLE
  797. config SERIAL_TXX9_STDSERIAL
  798. bool "TX39XX/49XX SIO act as standard serial"
  799. depends on !SERIAL_8250 && SERIAL_TXX9
  800. config SERIAL_VR41XX
  801. tristate "NEC VR4100 series Serial Interface Unit support"
  802. depends on CPU_VR41XX
  803. select SERIAL_CORE
  804. help
  805. If you have a NEC VR4100 series processor and you want to use
  806. Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU)
  807. (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N.
  808. config SERIAL_VR41XX_CONSOLE
  809. bool "Enable NEC VR4100 series Serial Interface Unit console"
  810. depends on SERIAL_VR41XX=y
  811. select SERIAL_CORE_CONSOLE
  812. help
  813. If you have a NEC VR4100 series processor and you want to use
  814. a console on a serial port, say Y. Otherwise, say N.
  815. config SERIAL_JSM
  816. tristate "Digi International NEO and Classic PCI Support"
  817. depends on PCI
  818. select SERIAL_CORE
  819. help
  820. This is a driver for Digi International's Neo and Classic series
  821. of cards which provide multiple serial ports. You would need
  822. something like this to connect more than two modems to your Linux
  823. box, for instance in order to become a dial-in server. This driver
  824. supports PCI boards only.
  825. If you have a card like this, say Y here, otherwise say N.
  826. To compile this driver as a module, choose M here: the
  827. module will be called jsm.
  828. config SERIAL_SGI_IOC4
  829. tristate "SGI IOC4 controller serial support"
  830. depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4
  831. select SERIAL_CORE
  832. help
  833. If you have an SGI Altix with an IOC4 based Base IO card
  834. and wish to use the serial ports on this card, say Y.
  835. Otherwise, say N.
  836. config SERIAL_SGI_IOC3
  837. tristate "SGI Altix IOC3 serial support"
  838. depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3
  839. select SERIAL_CORE
  840. help
  841. If you have an SGI Altix with an IOC3 serial card,
  842. say Y or M. Otherwise, say N.
  843. config SERIAL_MSM
  844. tristate "MSM on-chip serial port support"
  845. depends on ARCH_QCOM
  846. select SERIAL_CORE
  847. config SERIAL_MSM_CONSOLE
  848. bool "MSM serial console support"
  849. depends on SERIAL_MSM=y
  850. select SERIAL_CORE_CONSOLE
  851. select SERIAL_EARLYCON
  852. config SERIAL_QCOM_GENI
  853. tristate "QCOM on-chip GENI based serial port support"
  854. depends on ARCH_QCOM || COMPILE_TEST
  855. depends on QCOM_GENI_SE
  856. select SERIAL_CORE
  857. config SERIAL_QCOM_GENI_CONSOLE
  858. bool "QCOM GENI Serial Console support"
  859. depends on SERIAL_QCOM_GENI=y
  860. select SERIAL_CORE_CONSOLE
  861. select SERIAL_EARLYCON
  862. help
  863. Serial console driver for Qualcomm Technologies Inc's GENI based
  864. QUP hardware.
  865. config SERIAL_VT8500
  866. bool "VIA VT8500 on-chip serial port support"
  867. depends on ARCH_VT8500
  868. select SERIAL_CORE
  869. config SERIAL_VT8500_CONSOLE
  870. bool "VIA VT8500 serial console support"
  871. depends on SERIAL_VT8500=y
  872. select SERIAL_CORE_CONSOLE
  873. config SERIAL_NETX
  874. tristate "NetX serial port support"
  875. depends on ARCH_NETX
  876. select SERIAL_CORE
  877. help
  878. If you have a machine based on a Hilscher NetX SoC you
  879. can enable its onboard serial port by enabling this option.
  880. To compile this driver as a module, choose M here: the
  881. module will be called netx-serial.
  882. config SERIAL_NETX_CONSOLE
  883. bool "Console on NetX serial port"
  884. depends on SERIAL_NETX=y
  885. select SERIAL_CORE_CONSOLE
  886. help
  887. If you have enabled the serial port on the Hilscher NetX SoC
  888. you can make it the console by answering Y to this option.
  889. config SERIAL_OMAP
  890. tristate "OMAP serial port support"
  891. depends on ARCH_OMAP2PLUS
  892. select SERIAL_CORE
  893. help
  894. If you have a machine based on an Texas Instruments OMAP CPU you
  895. can enable its onboard serial ports by enabling this option.
  896. By enabling this option you take advantage of dma feature available
  897. with the omap-serial driver. DMA support can be enabled from platform
  898. data.
  899. config SERIAL_OMAP_CONSOLE
  900. bool "Console on OMAP serial port"
  901. depends on SERIAL_OMAP=y
  902. select SERIAL_CORE_CONSOLE
  903. help
  904. Select this option if you would like to use omap serial port as
  905. console.
  906. Even if you say Y here, the currently visible virtual console
  907. (/dev/tty0) will still be used as the system console by default, but
  908. you can alter that using a kernel command line option such as
  909. "console=ttyOx". (Try "man bootparam" or see the documentation of
  910. your boot loader about how to pass options to the kernel at
  911. boot time.)
  912. config SERIAL_LANTIQ
  913. bool "Lantiq serial driver"
  914. depends on LANTIQ
  915. select SERIAL_CORE
  916. select SERIAL_CORE_CONSOLE
  917. select SERIAL_EARLYCON
  918. help
  919. Support for console and UART on Lantiq SoCs.
  920. config SERIAL_QE
  921. tristate "Freescale QUICC Engine serial port support"
  922. depends on QUICC_ENGINE
  923. select SERIAL_CORE
  924. select FW_LOADER
  925. default n
  926. help
  927. This driver supports the QE serial ports on Freescale embedded
  928. PowerPC that contain a QUICC Engine.
  929. config SERIAL_SCCNXP
  930. tristate "SCCNXP serial port support"
  931. select SERIAL_CORE
  932. help
  933. This selects support for an advanced UART from NXP (Philips).
  934. Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92,
  935. SC28L202, SCC68681 and SCC68692.
  936. config SERIAL_SCCNXP_CONSOLE
  937. bool "Console on SCCNXP serial port"
  938. depends on SERIAL_SCCNXP=y
  939. select SERIAL_CORE_CONSOLE
  940. help
  941. Support for console on SCCNXP serial ports.
  942. config SERIAL_SC16IS7XX_CORE
  943. tristate
  944. config SERIAL_SC16IS7XX
  945. tristate "SC16IS7xx serial support"
  946. select SERIAL_CORE
  947. depends on (SPI_MASTER && !I2C) || I2C
  948. help
  949. This selects support for SC16IS7xx serial ports.
  950. Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752,
  951. SC16IS760 and SC16IS762. Select supported buses using options below.
  952. config SERIAL_SC16IS7XX_I2C
  953. bool "SC16IS7xx for I2C interface"
  954. depends on SERIAL_SC16IS7XX
  955. depends on I2C
  956. select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
  957. select REGMAP_I2C if I2C
  958. default y
  959. help
  960. Enable SC16IS7xx driver on I2C bus,
  961. If required say y, and say n to i2c if not required,
  962. Enabled by default to support oldconfig.
  963. You must select at least one bus for the driver to be built.
  964. config SERIAL_SC16IS7XX_SPI
  965. bool "SC16IS7xx for spi interface"
  966. depends on SERIAL_SC16IS7XX
  967. depends on SPI_MASTER
  968. select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX
  969. select REGMAP_SPI if SPI_MASTER
  970. help
  971. Enable SC16IS7xx driver on SPI bus,
  972. If required say y, and say n to spi if not required,
  973. This is additional support to exsisting driver.
  974. You must select at least one bus for the driver to be built.
  975. config SERIAL_TIMBERDALE
  976. tristate "Support for timberdale UART"
  977. select SERIAL_CORE
  978. depends on X86_32 || COMPILE_TEST
  979. ---help---
  980. Add support for UART controller on timberdale.
  981. config SERIAL_BCM63XX
  982. tristate "Broadcom BCM63xx/BCM33xx UART support"
  983. select SERIAL_CORE
  984. depends on MIPS || ARM || COMPILE_TEST
  985. help
  986. This enables the driver for the onchip UART core found on
  987. the following chipsets:
  988. BCM33xx (cable modem)
  989. BCM63xx/BCM63xxx (DSL)
  990. BCM68xx (PON)
  991. BCM7xxx (STB) - DOCSIS console
  992. config SERIAL_BCM63XX_CONSOLE
  993. bool "Console on BCM63xx serial port"
  994. depends on SERIAL_BCM63XX=y
  995. select SERIAL_CORE_CONSOLE
  996. select SERIAL_EARLYCON
  997. help
  998. If you have enabled the serial port on the BCM63xx CPU
  999. you can make it the console by answering Y to this option.
  1000. config SERIAL_GRLIB_GAISLER_APBUART
  1001. tristate "GRLIB APBUART serial support"
  1002. depends on OF && SPARC
  1003. select SERIAL_CORE
  1004. ---help---
  1005. Add support for the GRLIB APBUART serial port.
  1006. config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE
  1007. bool "Console on GRLIB APBUART serial port"
  1008. depends on SERIAL_GRLIB_GAISLER_APBUART=y
  1009. select SERIAL_CORE_CONSOLE
  1010. help
  1011. Support for running a console on the GRLIB APBUART
  1012. config SERIAL_ALTERA_JTAGUART
  1013. tristate "Altera JTAG UART support"
  1014. select SERIAL_CORE
  1015. help
  1016. This driver supports the Altera JTAG UART port.
  1017. config SERIAL_ALTERA_JTAGUART_CONSOLE
  1018. bool "Altera JTAG UART console support"
  1019. depends on SERIAL_ALTERA_JTAGUART=y
  1020. select SERIAL_CORE_CONSOLE
  1021. select SERIAL_EARLYCON
  1022. help
  1023. Enable a Altera JTAG UART port to be the system console.
  1024. config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
  1025. bool "Bypass output when no connection"
  1026. depends on SERIAL_ALTERA_JTAGUART_CONSOLE
  1027. select SERIAL_CORE_CONSOLE
  1028. help
  1029. Bypass console output and keep going even if there is no
  1030. JTAG terminal connection with the host.
  1031. config SERIAL_ALTERA_UART
  1032. tristate "Altera UART support"
  1033. select SERIAL_CORE
  1034. help
  1035. This driver supports the Altera softcore UART port.
  1036. config SERIAL_ALTERA_UART_MAXPORTS
  1037. int "Maximum number of Altera UART ports"
  1038. depends on SERIAL_ALTERA_UART
  1039. default 4
  1040. help
  1041. This setting lets you define the maximum number of the Altera
  1042. UART ports. The usual default varies from board to board, and
  1043. this setting is a way of catering for that.
  1044. config SERIAL_ALTERA_UART_BAUDRATE
  1045. int "Default baudrate for Altera UART ports"
  1046. depends on SERIAL_ALTERA_UART
  1047. default 115200
  1048. help
  1049. This setting lets you define what the default baudrate is for the
  1050. Altera UART ports. The usual default varies from board to board,
  1051. and this setting is a way of catering for that.
  1052. config SERIAL_ALTERA_UART_CONSOLE
  1053. bool "Altera UART console support"
  1054. depends on SERIAL_ALTERA_UART=y
  1055. select SERIAL_CORE_CONSOLE
  1056. select SERIAL_EARLYCON
  1057. help
  1058. Enable a Altera UART port to be the system console.
  1059. config SERIAL_IFX6X60
  1060. tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
  1061. depends on GPIOLIB || COMPILE_TEST
  1062. depends on SPI && HAS_DMA
  1063. help
  1064. Support for the IFX6x60 modem devices on Intel MID platforms.
  1065. config SERIAL_PCH_UART
  1066. tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
  1067. depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
  1068. select SERIAL_CORE
  1069. help
  1070. This driver is for PCH(Platform controller Hub) UART of Intel EG20T
  1071. which is an IOH(Input/Output Hub) for x86 embedded processor.
  1072. Enabling PCH_DMA, this PCH UART works as DMA mode.
  1073. This driver also can be used for LAPIS Semiconductor IOH(Input/
  1074. Output Hub), ML7213, ML7223 and ML7831.
  1075. ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
  1076. for MP(Media Phone) use and ML7831 IOH is for general purpose use.
  1077. ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
  1078. ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
  1079. config SERIAL_PCH_UART_CONSOLE
  1080. bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH"
  1081. depends on SERIAL_PCH_UART=y
  1082. select SERIAL_CORE_CONSOLE
  1083. help
  1084. Say Y here if you wish to use the PCH UART as the system console
  1085. (the system console is the device which receives all kernel messages and
  1086. warnings and which allows logins in single user mode).
  1087. config SERIAL_MXS_AUART
  1088. tristate "MXS AUART support"
  1089. depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST
  1090. select SERIAL_CORE
  1091. select SERIAL_MCTRL_GPIO if GPIOLIB
  1092. help
  1093. This driver supports the MXS and Alphascale ASM9260 Application
  1094. UART (AUART) port.
  1095. config SERIAL_MXS_AUART_CONSOLE
  1096. bool "MXS AUART console support"
  1097. depends on SERIAL_MXS_AUART=y
  1098. select SERIAL_CORE_CONSOLE
  1099. help
  1100. Enable a MXS AUART port to be the system console.
  1101. config SERIAL_XILINX_PS_UART
  1102. tristate "Cadence (Xilinx Zynq) UART support"
  1103. depends on OF
  1104. select SERIAL_CORE
  1105. help
  1106. This driver supports the Cadence UART. It is found e.g. in Xilinx
  1107. Zynq.
  1108. config SERIAL_XILINX_PS_UART_CONSOLE
  1109. bool "Cadence UART console support"
  1110. depends on SERIAL_XILINX_PS_UART=y
  1111. select SERIAL_CORE_CONSOLE
  1112. select SERIAL_EARLYCON
  1113. help
  1114. Enable a Cadence UART port to be the system console.
  1115. config SERIAL_AR933X
  1116. tristate "AR933X serial port support"
  1117. depends on HAVE_CLK && ATH79
  1118. select SERIAL_CORE
  1119. help
  1120. If you have an Atheros AR933X SOC based board and want to use the
  1121. built-in UART of the SoC, say Y to this option.
  1122. To compile this driver as a module, choose M here: the
  1123. module will be called ar933x_uart.
  1124. config SERIAL_AR933X_CONSOLE
  1125. bool "Console on AR933X serial port"
  1126. depends on SERIAL_AR933X=y
  1127. select SERIAL_CORE_CONSOLE
  1128. help
  1129. Enable a built-in UART port of the AR933X to be the system console.
  1130. config SERIAL_AR933X_NR_UARTS
  1131. int "Maximum number of AR933X serial ports"
  1132. depends on SERIAL_AR933X
  1133. default "2"
  1134. help
  1135. Set this to the number of serial ports you want the driver
  1136. to support.
  1137. config SERIAL_EFM32_UART
  1138. tristate "EFM32 UART/USART port"
  1139. depends on ARM && (ARCH_EFM32 || COMPILE_TEST)
  1140. select SERIAL_CORE
  1141. help
  1142. This driver support the USART and UART ports on
  1143. Energy Micro's efm32 SoCs.
  1144. config SERIAL_MPS2_UART_CONSOLE
  1145. bool "MPS2 UART console support"
  1146. depends on SERIAL_MPS2_UART
  1147. select SERIAL_CORE_CONSOLE
  1148. select SERIAL_EARLYCON
  1149. config SERIAL_MPS2_UART
  1150. bool "MPS2 UART port"
  1151. depends on ARCH_MPS2 || COMPILE_TEST
  1152. select SERIAL_CORE
  1153. help
  1154. This driver support the UART ports on ARM MPS2.
  1155. config SERIAL_EFM32_UART_CONSOLE
  1156. bool "EFM32 UART/USART console support"
  1157. depends on SERIAL_EFM32_UART=y
  1158. select SERIAL_CORE_CONSOLE
  1159. config SERIAL_ARC
  1160. tristate "ARC UART driver support"
  1161. select SERIAL_CORE
  1162. help
  1163. Driver for on-chip UART for ARC(Synopsys) for the legacy
  1164. FPGA Boards (ML50x/ARCAngel4)
  1165. config SERIAL_ARC_CONSOLE
  1166. bool "Console on ARC UART"
  1167. depends on SERIAL_ARC=y
  1168. select SERIAL_CORE_CONSOLE
  1169. select SERIAL_EARLYCON
  1170. help
  1171. Enable system Console on ARC UART
  1172. config SERIAL_ARC_NR_PORTS
  1173. int "Number of ARC UART ports"
  1174. depends on SERIAL_ARC
  1175. range 1 3
  1176. default "1"
  1177. help
  1178. Set this to the number of serial ports you want the driver
  1179. to support.
  1180. config SERIAL_RP2
  1181. tristate "Comtrol RocketPort EXPRESS/INFINITY support"
  1182. depends on PCI
  1183. select SERIAL_CORE
  1184. help
  1185. This driver supports the Comtrol RocketPort EXPRESS and
  1186. RocketPort INFINITY families of PCI/PCIe multiport serial adapters.
  1187. These adapters use a "RocketPort 2" ASIC that is not compatible
  1188. with the original RocketPort driver (CONFIG_ROCKETPORT).
  1189. To compile this driver as a module, choose M here: the
  1190. module will be called rp2.
  1191. If you want to compile this driver into the kernel, say Y here. If
  1192. you don't have a suitable RocketPort card installed, say N.
  1193. config SERIAL_RP2_NR_UARTS
  1194. int "Maximum number of RocketPort EXPRESS/INFINITY ports"
  1195. depends on SERIAL_RP2
  1196. default "32"
  1197. help
  1198. If multiple cards are present, the default limit of 32 ports may
  1199. need to be increased.
  1200. config SERIAL_FSL_LPUART
  1201. tristate "Freescale lpuart serial port support"
  1202. depends on HAS_DMA
  1203. select SERIAL_CORE
  1204. help
  1205. Support for the on-chip lpuart on some Freescale SOCs.
  1206. config SERIAL_FSL_LPUART_CONSOLE
  1207. bool "Console on Freescale lpuart serial port"
  1208. depends on SERIAL_FSL_LPUART=y
  1209. select SERIAL_CORE_CONSOLE
  1210. select SERIAL_EARLYCON
  1211. help
  1212. If you have enabled the lpuart serial port on the Freescale SoCs,
  1213. you can make it the console by answering Y to this option.
  1214. config SERIAL_CONEXANT_DIGICOLOR
  1215. tristate "Conexant Digicolor CX92xxx USART serial port support"
  1216. depends on OF
  1217. select SERIAL_CORE
  1218. help
  1219. Support for the on-chip USART on Conexant Digicolor SoCs.
  1220. config SERIAL_CONEXANT_DIGICOLOR_CONSOLE
  1221. bool "Console on Conexant Digicolor serial port"
  1222. depends on SERIAL_CONEXANT_DIGICOLOR=y
  1223. select SERIAL_CORE_CONSOLE
  1224. help
  1225. If you have enabled the USART serial port on Conexant Digicolor
  1226. SoCs, you can make it the console by answering Y to this option.
  1227. config SERIAL_ST_ASC
  1228. tristate "ST ASC serial port support"
  1229. select SERIAL_CORE
  1230. depends on ARM || COMPILE_TEST
  1231. help
  1232. This driver is for the on-chip Asychronous Serial Controller on
  1233. STMicroelectronics STi SoCs.
  1234. ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
  1235. It support all industry standard baud rates.
  1236. If unsure, say N.
  1237. config SERIAL_ST_ASC_CONSOLE
  1238. bool "Support for console on ST ASC"
  1239. depends on SERIAL_ST_ASC=y
  1240. select SERIAL_CORE_CONSOLE
  1241. config SERIAL_MEN_Z135
  1242. tristate "MEN 16z135 Support"
  1243. select SERIAL_CORE
  1244. depends on MCB
  1245. help
  1246. Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core
  1247. on a MCB carrier.
  1248. This driver can also be build as a module. If so, the module will be called
  1249. men_z135_uart.ko
  1250. config SERIAL_SPRD
  1251. tristate "Support for Spreadtrum serial"
  1252. depends on ARCH_SPRD
  1253. select SERIAL_CORE
  1254. help
  1255. This enables the driver for the Spreadtrum's serial.
  1256. config SERIAL_SPRD_CONSOLE
  1257. bool "Spreadtrum UART console support"
  1258. depends on SERIAL_SPRD=y
  1259. select SERIAL_CORE_CONSOLE
  1260. select SERIAL_EARLYCON
  1261. help
  1262. Support for early debug console using Spreadtrum's serial. This enables
  1263. the console before standard serial driver is probed. This is enabled
  1264. with "earlycon" on the kernel command line. The console is
  1265. enabled when early_param is processed.
  1266. config SERIAL_STM32
  1267. tristate "STMicroelectronics STM32 serial port support"
  1268. select SERIAL_CORE
  1269. depends on ARCH_STM32 || COMPILE_TEST
  1270. help
  1271. This driver is for the on-chip Serial Controller on
  1272. STMicroelectronics STM32 MCUs.
  1273. USART supports Rx & Tx functionality.
  1274. It support all industry standard baud rates.
  1275. If unsure, say N.
  1276. config SERIAL_STM32_CONSOLE
  1277. bool "Support for console on STM32"
  1278. depends on SERIAL_STM32=y
  1279. select SERIAL_CORE_CONSOLE
  1280. config SERIAL_MVEBU_UART
  1281. bool "Marvell EBU serial port support"
  1282. depends on ARCH_MVEBU || COMPILE_TEST
  1283. select SERIAL_CORE
  1284. help
  1285. This driver is for Marvell EBU SoC's UART. If you have a machine
  1286. based on the Armada-3700 SoC and wish to use the on-board serial
  1287. port,
  1288. say 'Y' here.
  1289. Otherwise, say 'N'.
  1290. config SERIAL_MVEBU_CONSOLE
  1291. bool "Console on Marvell EBU serial port"
  1292. depends on SERIAL_MVEBU_UART
  1293. select SERIAL_CORE_CONSOLE
  1294. select SERIAL_EARLYCON
  1295. default y
  1296. help
  1297. Say 'Y' here if you wish to use Armada-3700 UART as the system console.
  1298. (the system console is the device which receives all kernel messages
  1299. and warnings and which allows logins in single user mode)
  1300. Otherwise, say 'N'.
  1301. config SERIAL_OWL
  1302. tristate "Actions Semi Owl serial port support"
  1303. depends on ARCH_ACTIONS || COMPILE_TEST
  1304. select SERIAL_CORE
  1305. help
  1306. This driver is for Actions Semiconductor S500/S900 SoC's UART.
  1307. Say 'Y' here if you wish to use the on-board serial port.
  1308. Otherwise, say 'N'.
  1309. config SERIAL_OWL_CONSOLE
  1310. bool "Console on Actions Semi Owl serial port"
  1311. depends on SERIAL_OWL=y
  1312. select SERIAL_CORE_CONSOLE
  1313. select SERIAL_EARLYCON
  1314. default y
  1315. help
  1316. Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
  1317. as the system console.
  1318. config SERIAL_ARKMICRO
  1319. bool "Arkmicro on-chip serial port support"
  1320. depends on ARCH_ARKMICRO
  1321. select SERIAL_CORE
  1322. help
  1323. This enables the driver for the on-chip UARTs of the Arkmicro
  1324. processors.
  1325. config HS_SERIAL_ARKMICRO
  1326. bool "Arkmicro on-chip high speed serial port support"
  1327. depends on ARCH_ARKMICRO
  1328. select SERIAL_CORE
  1329. select SERIAL_MCTRL_GPIO if GPIOLIB
  1330. help
  1331. This enables the driver for the on-chip high speed UARTs of the Arkmicro
  1332. processors.
  1333. config MCU_SERIAL_ARKMICRO
  1334. bool "Arkmicro mcu serial driver"
  1335. depends on SERIAL_ARKMICRO
  1336. default y
  1337. help
  1338. This enables the driver for mcu serial.
  1339. config ARKTOOL_SERIAL_ARKMICRO
  1340. bool "Arkmicro arktool serial driver"
  1341. depends on SERIAL_ARKMICRO
  1342. default y
  1343. help
  1344. This enables the driver for arktool serial.
  1345. config SERIAL_ARKMICRO_CONSOLE
  1346. bool "Support for console on Arkmicro serial port"
  1347. depends on SERIAL_ARKMICRO=y
  1348. select SERIAL_CORE_CONSOLE
  1349. help
  1350. Say Y here if you wish to use an on-chip UART on a Arkmciro
  1351. processor as the system console (the system
  1352. console is the device which receives all kernel messages and
  1353. warnings and which allows logins in single user mode).
  1354. endmenu
  1355. config SERIAL_MCTRL_GPIO
  1356. tristate
  1357. endif # TTY