2 # Serial device configuration
4 # $Id: Kconfig,v 1.11 2004/03/11 18:08:04 lethal Exp $
10 # The new 8250/16550 serial drivers
12 tristate "8250/16550 and compatible serial support"
15 This selects whether you want to include the driver for the standard
16 serial ports. The standard answer is Y. People who might say N
17 here are those that are setting up dedicated Ethernet WWW/FTP
18 servers, or users that have one of the various bus mice instead of a
19 serial mouse and don't intend to use their machine's standard serial
20 port for anything. (Note that the Cyclades and Stallion multi
21 serial port drivers do not need this driver built in for them to
24 To compile this driver as a module, choose M here: the
25 module will be called serial.
26 [WARNING: Do not compile this driver as a module if you are using
27 non-standard serial ports, since the configuration information will
28 be lost when the driver is unloaded. This limitation may be lifted
31 BTW1: If you have a mouseman serial mouse which is not recognized by
32 the X window system, try running gpm first.
34 BTW2: If you intend to use a software modem (also called Winmodem)
35 under Linux, forget it. These modems are crippled and require
36 proprietary drivers which are only available under Windows.
38 Most people will say Y or M here, so that they can use serial mice,
39 modems and similar devices connecting to the standard serial ports.
41 config SERIAL_8250_CONSOLE
42 bool "Console on 8250/16550 and compatible serial port"
43 depends on SERIAL_8250=y
44 select SERIAL_CORE_CONSOLE
46 If you say Y here, it will be possible to use a serial port as the
47 system console (the system console is the device which receives all
48 kernel messages and warnings and which allows logins in single user
49 mode). This could be useful if some terminal or printer is connected
52 Even if you say Y here, the currently visible virtual console
53 (/dev/tty0) will still be used as the system console by default, but
54 you can alter that using a kernel command line option such as
55 "console=ttyS1". (Try "man bootparam" or see the documentation of
56 your boot loader (grub or lilo or loadlin) about how to pass options
57 to the kernel at boot time.)
59 If you don't have a VGA card installed and you say Y here, the
60 kernel will automatically use the first serial line, /dev/ttyS0, as
66 tristate "8250/16550 PCMCIA device support"
67 depends on PCMCIA && SERIAL_8250
69 Say Y here to enable support for 16-bit PCMCIA serial devices,
70 including serial port cards, modems, and the modem functions of
71 multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are
72 credit-card size devices often used with laptops.)
74 To compile this driver as a module, choose M here: the
75 module will be called serial_cs.
79 config SERIAL_8250_ACPI
80 bool "8250/16550 device discovery via ACPI namespace"
82 depends on ACPI_BUS && SERIAL_8250
84 If you wish to enable serial port discovery via the ACPI
85 namespace, say Y here. If unsure, say N.
87 config SERIAL_8250_NR_UARTS
88 int "Maximum number of non-legacy 8250/16550 serial ports"
89 depends on SERIAL_8250
92 Set this to the number of non-legacy serial ports you want
93 the driver to support. This includes any ports discovered
94 via ACPI or PCI enumeration and any ports that may be added
95 at run-time via hot-plug.
97 config SERIAL_8250_EXTENDED
98 bool "Extended 8250/16550 serial driver options"
99 depends on SERIAL_8250
101 If you wish to use any non-standard features of the standard "dumb"
102 driver, say Y here. This includes HUB6 support, shared serial
103 interrupts, special multiport support, support for more than the
104 four COM 1/2/3/4 boards, etc.
106 Note that the answer to this question won't directly affect the
107 kernel: saying N will just cause the configurator to skip all
108 the questions about serial driver options. If unsure, say N.
110 config SERIAL_8250_MANY_PORTS
111 bool "Support more than 4 legacy serial ports"
112 depends on SERIAL_8250_EXTENDED && !IA64
114 Say Y here if you have dumb serial boards other than the four
115 standard COM 1/2/3/4 ports. This may happen if you have an AST
116 FourPort, Accent Async, Boca (read the Boca mini-HOWTO, available
117 from <http://www.tldp.org/docs.html#howto>), or other custom
118 serial port hardware which acts similar to standard serial port
119 hardware. If you only use the standard COM 1/2/3/4 ports, you can
120 say N here to save some memory. You can also say Y if you have an
121 "intelligent" multiport card such as Cyclades, Digiboards, etc.
123 config SERIAL_8250_SHARE_IRQ
124 bool "Support for sharing serial interrupts"
125 depends on SERIAL_8250_EXTENDED
127 Some serial boards have hardware support which allows multiple dumb
128 serial ports on the same board to share a single IRQ. To enable
129 support for this in the serial driver, say Y here.
131 config SERIAL_8250_DETECT_IRQ
132 bool "Autodetect IRQ on standard ports (unsafe)"
133 depends on SERIAL_8250_EXTENDED
135 Say Y here if you want the kernel to try to guess which IRQ
136 to use for your serial port.
138 This is considered unsafe; it is far better to configure the IRQ in
139 a boot script using the setserial command.
143 config SERIAL_8250_MULTIPORT
144 bool "Support special multiport boards"
145 depends on SERIAL_8250_EXTENDED
147 Some multiport serial ports have special ports which are used to
148 signal when there are any serial ports on the board which need
149 servicing. Say Y here to enable the serial driver to take advantage
150 of those special I/O ports.
152 config SERIAL_8250_RSA
153 bool "Support RSA serial ports"
154 depends on SERIAL_8250_EXTENDED
156 ::: To be written :::
158 comment "Non-8250 serial port support"
160 config SERIAL_8250_ACORN
161 tristate "Acorn expansion card serial port support"
162 depends on ARM && ARCH_ACORN && SERIAL_8250
164 If you have an Atomwide Serial card or Serial Port card for an Acorn
165 system, say Y to this option. The driver can handle 1, 2, or 3 port
166 cards. If unsure, say N.
168 config SERIAL_AMBA_PL010
169 tristate "ARM AMBA PL010 serial port support"
173 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
174 an Integrator/AP or Integrator/PP2 platform, say Y or M here.
178 config SERIAL_AMBA_PL010_CONSOLE
179 bool "Support for console on AMBA serial port"
180 depends on SERIAL_AMBA_PL010=y
181 select SERIAL_CORE_CONSOLE
183 Say Y here if you wish to use an AMBA PrimeCell UART as the system
184 console (the system console is the device which receives all kernel
185 messages and warnings and which allows logins in single user mode).
187 Even if you say Y here, the currently visible framebuffer console
188 (/dev/tty0) will still be used as the system console by default, but
189 you can alter that using a kernel command line option such as
190 "console=ttyAM0". (Try "man bootparam" or see the documentation of
191 your boot loader (lilo or loadlin) about how to pass options to the
192 kernel at boot time.)
194 config SERIAL_AMBA_PL011
195 tristate "ARM AMBA PL011 serial port support"
199 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
200 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
205 config SERIAL_AMBA_PL011_CONSOLE
206 bool "Support for console on AMBA serial port"
207 depends on SERIAL_AMBA_PL011=y
208 select SERIAL_CORE_CONSOLE
210 Say Y here if you wish to use an AMBA PrimeCell UART as the system
211 console (the system console is the device which receives all kernel
212 messages and warnings and which allows logins in single user mode).
214 Even if you say Y here, the currently visible framebuffer console
215 (/dev/tty0) will still be used as the system console by default, but
216 you can alter that using a kernel command line option such as
217 "console=ttyAM0". (Try "man bootparam" or see the documentation of
218 your boot loader (lilo or loadlin) about how to pass options to the
219 kernel at boot time.)
221 config SERIAL_CLPS711X
222 tristate "CLPS711X serial port support"
223 depends on ARM && ARCH_CLPS711X
226 ::: To be written :::
228 config SERIAL_CLPS711X_CONSOLE
229 bool "Support for console on CLPS711X serial port"
230 depends on SERIAL_CLPS711X=y
231 select SERIAL_CORE_CONSOLE
233 Even if you say Y here, the currently visible virtual console
234 (/dev/tty0) will still be used as the system console by default, but
235 you can alter that using a kernel command line option such as
236 "console=ttyCL1". (Try "man bootparam" or see the documentation of
237 your boot loader (lilo or loadlin) about how to pass options to the
238 kernel at boot time.)
240 config SERIAL_S3C2410
241 tristate "Samsung S3C2410 Serial port support"
242 depends on ARM && ARCH_S3C2410
245 Support for the on-chip UARTs on the Samsung S3C2410X CPU,
246 providing /dev/ttySAC0, 1 and 2 (note, some machines may not
247 provide all of these ports, depending on how the serial port
250 config SERIAL_S3C2410_CONSOLE
251 bool "Support for console on S3C2410 serial port"
252 depends on SERIAL_S3C2410=y
253 select SERIAL_CORE_CONSOLE
255 Allow selection of the S3C2410 on-board serial ports for use as
258 Even if you say Y here, the currently visible virtual console
259 (/dev/tty0) will still be used as the system console by default, but
260 you can alter that using a kernel command line option such as
261 "console=ttySACx". (Try "man bootparam" or see the documentation of
262 your boot loader about how to pass options to the kernel at
265 config SERIAL_BAST_SIO
266 bool "Support for BAST SuperIO serial ports"
267 depends on ARCH_BAST && SERIAL_8250=y
269 Support for registerin the SuperIO chip on BAST board with
270 the 8250/16550 uart code.
273 bool "DECstation DZ serial driver"
274 depends on MACH_DECSTATION && MIPS32
277 DZ11-family serial controllers for VAXstations, including the
278 DC7085, M7814, and M7819.
280 config SERIAL_DZ_CONSOLE
281 bool "Support console on DECstation DZ serial driver"
282 depends on SERIAL_DZ=y
283 select SERIAL_CORE_CONSOLE
285 If you say Y here, it will be possible to use a serial port as the
286 system console (the system console is the device which receives all
287 kernel messages and warnings and which allows logins in single user
288 mode). Note that the firmware uses ttyS0 as the serial console on
289 the Maxine and ttyS2 on the others.
294 tristate "DC21285 serial port support"
295 depends on ARM && FOOTBRIDGE
298 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
299 PCI bridge you can enable its onboard serial port by enabling this
302 config SERIAL_21285_CONSOLE
303 bool "Console on DC21285 serial port"
304 depends on SERIAL_21285=y
305 select SERIAL_CORE_CONSOLE
307 If you have enabled the serial port on the 21285 footbridge you can
308 make it the console by answering Y to this option.
310 Even if you say Y here, the currently visible virtual console
311 (/dev/tty0) will still be used as the system console by default, but
312 you can alter that using a kernel command line option such as
313 "console=ttyFB". (Try "man bootparam" or see the documentation of
314 your boot loader (lilo or loadlin) about how to pass options to the
315 kernel at boot time.)
318 bool "Excalibur serial port (uart00) support"
319 depends on ARM && ARCH_CAMELOT
322 Say Y here if you want to use the hard logic uart on Excalibur. This
323 driver also supports soft logic implentations of this uart core.
325 config SERIAL_UART00_CONSOLE
326 bool "Support for console on Excalibur serial port"
327 depends on SERIAL_UART00
328 select SERIAL_CORE_CONSOLE
330 Say Y here if you want to support a serial console on an Excalibur
331 hard logic uart or uart00 IP core.
333 Even if you say Y here, the currently visible virtual console
334 (/dev/tty0) will still be used as the system console by default, but
335 you can alter that using a kernel command line option such as
336 "console=ttyS1". (Try "man bootparam" or see the documentation of
337 your boot loader (lilo or loadlin) about how to pass options to the
338 kernel at boot time.)
341 bool "Marvell MPSC serial port support"
342 depends on PPC32 && MV64X60
345 Say Y here if you want to use the Marvell MPSC serial controller.
347 config SERIAL_MPSC_CONSOLE
348 bool "Support for console on Marvell MPSC serial port"
349 depends on SERIAL_MPSC
350 select SERIAL_CORE_CONSOLE
352 Say Y here if you want to support a serial console on a Marvell MPSC.
355 bool "PXA serial port support"
356 depends on ARM && ARCH_PXA
359 If you have a machine based on an Intel XScale PXA2xx CPU you
360 can enable its onboard serial ports by enabling this option.
362 config SERIAL_PXA_CONSOLE
363 bool "Console on PXA serial port"
364 depends on SERIAL_PXA
365 select SERIAL_CORE_CONSOLE
367 If you have enabled the serial port on the Intel XScale PXA
368 CPU you can make it the console by answering Y to this option.
370 Even if you say Y here, the currently visible virtual console
371 (/dev/tty0) will still be used as the system console by default, but
372 you can alter that using a kernel command line option such as
373 "console=ttySA0". (Try "man bootparam" or see the documentation of
374 your boot loader (lilo or loadlin) about how to pass options to the
375 kernel at boot time.)
378 bool "SA1100 serial port support"
379 depends on ARM && ARCH_SA1100
382 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
383 can enable its onboard serial port by enabling this option.
384 Please read <file:Documentation/arm/SA1100/serial_UART> for further
387 config SERIAL_SA1100_CONSOLE
388 bool "Console on SA1100 serial port"
389 depends on SERIAL_SA1100
390 select SERIAL_CORE_CONSOLE
392 If you have enabled the serial port on the SA1100/SA1110 StrongARM
393 CPU you can make it the console by answering Y to this option.
395 Even if you say Y here, the currently visible virtual console
396 (/dev/tty0) will still be used as the system console by default, but
397 you can alter that using a kernel command line option such as
398 "console=ttySA0". (Try "man bootparam" or see the documentation of
399 your boot loader (lilo or loadlin) about how to pass options to the
400 kernel at boot time.)
402 config SERIAL_SUNCORE
404 depends on SPARC32 || SPARC64
406 select SERIAL_CORE_CONSOLE
409 config SERIAL_SUNZILOG
410 tristate "Sun Zilog8530 serial support"
411 depends on SPARC32 || SPARC64
413 This driver supports the Zilog8530 serial ports found on many Sparc
414 systems. Say Y or M if you want to be able to these serial ports.
416 config SERIAL_SUNZILOG_CONSOLE
417 bool "Console on Sun Zilog8530 serial port"
418 depends on SERIAL_SUNZILOG=y
420 If you would like to be able to use the Zilog8530 serial port
421 on your Sparc system as the console, you can do so by answering
425 tristate "Sun SU serial support"
426 depends on (SPARC32 || SPARC64) && PCI
428 This driver supports the 8250 serial ports that run the keyboard and
429 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able
430 to these serial ports.
432 config SERIAL_SUNSU_CONSOLE
433 bool "Console on Sun SU serial port"
434 depends on SERIAL_SUNSU=y
436 If you would like to be able to use the SU serial port
437 on your Sparc system as the console, you can do so by answering
441 tristate "Serial MUX support"
446 Saying Y here will enable the hardware MUX serial driver for
447 the Nova and K class systems. The hardware MUX is not 8250/16550
448 compatible therefore the /dev/ttyB0 device is shared between the
449 Serial MUX and the PDC software console. The following steps
450 need to be completed to use the Serial MUX:
452 1. create the device entry (mknod /dev/ttyB0 c 11 0)
453 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
454 3. Add device ttyB0 to /etc/securetty (if you want to log on as
455 root on this console.)
456 4. Change the kernel command console parameter to: console=ttyB0
458 config SERIAL_MUX_CONSOLE
459 bool "Support for console on serial MUX"
460 depends on SERIAL_MUX
461 select SERIAL_CORE_CONSOLE
465 bool "PDC software console support"
466 depends on PARISC && !SERIAL_MUX
469 Saying Y here will enable the software based PDC console to be
470 used as the system console. This is useful for machines in
471 which the hardware based console has not been written yet. The
472 following steps must be competed to use the PDC console:
474 1. create the device entry (mknod /dev/ttyB0 c 11 0)
475 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
476 3. Add device ttyB0 to /etc/securetty (if you want to log on as
477 root on this console.)
478 4. Change the kernel command console parameter to: console=ttyB0
481 tristate "Sun Siemens SAB82532 serial support"
482 depends on (SPARC32 || SPARC64) && PCI
484 This driver supports the Siemens SAB82532 DUSCC serial ports on newer
485 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these
488 config SERIAL_SUNSAB_CONSOLE
489 bool "Console on Sun Siemens SAB82532 serial port"
490 depends on SERIAL_SUNSAB=y
492 If you would like to be able to use the SAB82532 serial port
493 on your Sparc system as the console, you can do so by answering
496 config SERIAL_IP22_ZILOG
497 tristate "IP22 Zilog8530 serial support"
501 This driver supports the Zilog8530 serial ports found on SGI IP22
502 systems. Say Y or M if you want to be able to these serial ports.
504 config SERIAL_IP22_ZILOG_CONSOLE
505 bool "Console on IP22 Zilog8530 serial port"
506 depends on SERIAL_IP22_ZILOG=y
507 select SERIAL_CORE_CONSOLE
511 bool "NEC V850E on-chip UART support"
512 depends on V850E_MA1 || V850E_ME2 || V850E_TEG || V850E2_ANNA || V850E_AS85EP1
518 depends V850E_UART && V850E_ME2
521 config V850E_UART_CONSOLE
522 bool "Use NEC V850E on-chip UART for console"
523 depends on V850E_UART
524 select SERIAL_CORE_CONSOLE
527 tristate "SH SCI(F) serial port support"
528 depends on SUPERH || H8300
531 config SERIAL_SH_SCI_CONSOLE
532 bool "Support for console on SH SCI(F)"
533 depends on SERIAL_SH_SCI=y
534 select SERIAL_CORE_CONSOLE
537 bool "Enable Au1x00 UART Support"
538 depends on MIPS && SOC_AU1X00
541 If you have an Alchemy AU1X00 processor (MIPS based) and you want
542 to use serial ports, say Y. Otherwise, say N.
544 config SERIAL_AU1X00_CONSOLE
545 bool "Enable Au1x00 serial console"
546 depends on SERIAL_AU1X00
547 select SERIAL_CORE_CONSOLE
549 If you have an Alchemy AU1X00 processor (MIPS based) and you want
550 to use a console on a serial port, say Y. Otherwise, say N.
555 config SERIAL_CORE_CONSOLE
559 bool "68328 serial support"
560 depends on M68328 || M68EZ328 || M68VZ328
562 This driver supports the built-in serial port of the Motorola 68328
563 (standard, EZ and VZ varities).
565 config SERIAL_68328_RTS_CTS
566 bool "Support RTS/CTS on 68328 serial port"
567 depends on SERIAL_68328
569 config SERIAL_COLDFIRE
570 bool "ColdFire serial support"
573 This driver supports the built-in serial ports of the Motorola ColdFire
576 config SERIAL_68360_SMC
577 bool "68360 SMC uart support"
580 This driver supports the SMC serial ports of the Motorola 68360 CPU.
582 config SERIAL_68360_SCC
583 bool "68360 SCC uart support"
586 This driver supports the SCC serial ports of the Motorola 68360 CPU.
590 depends on SERIAL_68360_SMC || SERIAL_68360_SCC
593 config SERIAL_PMACZILOG
594 tristate "PowerMac z85c30 ESCC support"
598 This driver supports the Zilog z85C30 serial ports found on
600 Say Y or M if you want to be able to these serial ports.
602 config SERIAL_PMACZILOG_CONSOLE
603 bool "Console on PowerMac z85c30 serial port"
604 depends on SERIAL_PMACZILOG=y
605 select SERIAL_CORE_CONSOLE
607 If you would like to be able to use the z85c30 serial port
608 on your PowerMac as the console, you can do so by answering
611 config SERIAL_LH7A40X
612 tristate "Sharp LH7A40X embedded UART support"
613 depends on ARM && ARCH_LH7A40X
616 This enables support for the three on-board UARTs of the
617 Sharp LH7A40X series CPUs. Choose Y or M.
619 config SERIAL_LH7A40X_CONSOLE
620 bool "Support for connsole on Sharp LH7A40X serial port"
621 depends on SERIAL_LH7A40X=y
622 select SERIAL_CORE_CONSOLE
624 Say Y here if you wish to use one of the serial ports as the
625 system console--the system console is the device which
626 receives all kernel messages and warnings and which allows
627 logins in single user mode.
629 Even if you say Y here, the currently visible framebuffer console
630 (/dev/tty0) will still be used as the default system console, but
631 you can alter that using a kernel command line, for example
635 tristate "CPM SCC/SMC serial port support"
636 depends on CPM2 || 8xx
639 This driver supports the SCC and SMC serial ports on Motorola
640 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx)
642 config SERIAL_CPM_CONSOLE
643 bool "Support for console on CPM SCC/SMC serial port"
644 depends on SERIAL_CPM=y
645 select SERIAL_CORE_CONSOLE
647 Say Y here if you wish to use a SCC or SMC CPM UART as the system
648 console (the system console is the device which receives all kernel
649 messages and warnings and which allows logins in single user mode).
651 Even if you say Y here, the currently visible framebuffer console
652 (/dev/tty0) will still be used as the system console by default, but
653 you can alter that using a kernel command line option such as
654 "console=ttyCPM0". (Try "man bootparam" or see the documentation of
655 your boot loader (lilo or loadlin) about how to pass options to the
656 kernel at boot time.)
658 config SERIAL_CPM_SCC1
659 bool "Support for SCC1 serial port"
660 depends on SERIAL_CPM=y
662 Select the is option to use SCC1 as a serial port
664 config SERIAL_CPM_SCC2
665 bool "Support for SCC2 serial port"
666 depends on SERIAL_CPM=y
668 Select the is option to use SCC2 as a serial port
670 config SERIAL_CPM_SCC3
671 bool "Support for SCC3 serial port"
672 depends on SERIAL_CPM=y
674 Select the is option to use SCC3 as a serial port
676 config SERIAL_CPM_SCC4
677 bool "Support for SCC4 serial port"
678 depends on SERIAL_CPM=y
680 Select the is option to use SCC4 as a serial port
682 config SERIAL_CPM_SMC1
683 bool "Support for SMC1 serial port"
684 depends on SERIAL_CPM=y
686 Select the is option to use SMC1 as a serial port
688 config SERIAL_CPM_SMC2
689 bool "Support for SMC2 serial port"
690 depends on SERIAL_CPM=y
692 Select the is option to use SMC2 as a serial port