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
65 config SERIAL_8250_HCDP
66 bool "Console device discovery via EFI HCDP table"
68 depends on SERIAL_8250_CONSOLE=y
70 If you wish to make the serial console port described by the EFI
71 HCDP table available for use as serial console, say Y here. See
72 <http://www.dig64.org/specifications/DIG64_HCDPv10a_01.pdf>.
75 tristate "8250/16550 PCMCIA device support"
76 depends on PCMCIA && SERIAL_8250
78 Say Y here to enable support for 16-bit PCMCIA serial devices,
79 including serial port cards, modems, and the modem functions of
80 multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are
81 credit-card size devices often used with laptops.)
83 To compile this driver as a module, choose M here: the
84 module will be called serial_cs.
88 config SERIAL_8250_ACPI
89 bool "8250/16550 device discovery via ACPI namespace"
91 depends on ACPI_BUS && SERIAL_8250
93 If you wish to enable serial port discovery via the ACPI
94 namespace, say Y here. If unsure, say N.
96 config SERIAL_8250_NR_UARTS
97 int "Maximum number of non-legacy 8250/16550 serial ports"
98 depends on SERIAL_8250
101 Set this to the number of non-legacy serial ports you want
102 the driver to support. This includes any ports discovered
103 via ACPI or PCI enumeration and any ports that may be added
104 at run-time via hot-plug.
106 config SERIAL_8250_EXTENDED
107 bool "Extended 8250/16550 serial driver options"
108 depends on SERIAL_8250
110 If you wish to use any non-standard features of the standard "dumb"
111 driver, say Y here. This includes HUB6 support, shared serial
112 interrupts, special multiport support, support for more than the
113 four COM 1/2/3/4 boards, etc.
115 Note that the answer to this question won't directly affect the
116 kernel: saying N will just cause the configurator to skip all
117 the questions about serial driver options. If unsure, say N.
119 config SERIAL_8250_MANY_PORTS
120 bool "Support more than 4 legacy serial ports"
121 depends on SERIAL_8250_EXTENDED && !IA64
123 Say Y here if you have dumb serial boards other than the four
124 standard COM 1/2/3/4 ports. This may happen if you have an AST
125 FourPort, Accent Async, Boca (read the Boca mini-HOWTO, available
126 from <http://www.tldp.org/docs.html#howto>), or other custom
127 serial port hardware which acts similar to standard serial port
128 hardware. If you only use the standard COM 1/2/3/4 ports, you can
129 say N here to save some memory. You can also say Y if you have an
130 "intelligent" multiport card such as Cyclades, Digiboards, etc.
132 config SERIAL_8250_SHARE_IRQ
133 bool "Support for sharing serial interrupts"
134 depends on SERIAL_8250_EXTENDED
136 Some serial boards have hardware support which allows multiple dumb
137 serial ports on the same board to share a single IRQ. To enable
138 support for this in the serial driver, say Y here.
140 config SERIAL_8250_DETECT_IRQ
141 bool "Autodetect IRQ on standard ports (unsafe)"
142 depends on SERIAL_8250_EXTENDED
144 Say Y here if you want the kernel to try to guess which IRQ
145 to use for your serial port.
147 This is considered unsafe; it is far better to configure the IRQ in
148 a boot script using the setserial command.
152 config SERIAL_8250_MULTIPORT
153 bool "Support special multiport boards"
154 depends on SERIAL_8250_EXTENDED
156 Some multiport serial ports have special ports which are used to
157 signal when there are any serial ports on the board which need
158 servicing. Say Y here to enable the serial driver to take advantage
159 of those special I/O ports.
161 config SERIAL_8250_RSA
162 bool "Support RSA serial ports"
163 depends on SERIAL_8250_EXTENDED
165 ::: To be written :::
167 comment "Non-8250 serial port support"
169 config SERIAL_8250_ACORN
170 tristate "Acorn expansion card serial port support"
171 depends on ARM && ARCH_ACORN && SERIAL_8250
173 If you have an Atomwide Serial card or Serial Port card for an Acorn
174 system, say Y to this option. The driver can handle 1, 2, or 3 port
175 cards. If unsure, say N.
177 config SERIAL_AMBA_PL010
178 tristate "ARM AMBA PL010 serial port support"
182 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
183 an Integrator/AP or Integrator/PP2 platform, say Y or M here.
187 config SERIAL_AMBA_PL010_CONSOLE
188 bool "Support for console on AMBA serial port"
189 depends on SERIAL_AMBA_PL010=y
190 select SERIAL_CORE_CONSOLE
192 Say Y here if you wish to use an AMBA PrimeCell UART as the system
193 console (the system console is the device which receives all kernel
194 messages and warnings and which allows logins in single user mode).
196 Even if you say Y here, the currently visible framebuffer console
197 (/dev/tty0) will still be used as the system console by default, but
198 you can alter that using a kernel command line option such as
199 "console=ttyAM0". (Try "man bootparam" or see the documentation of
200 your boot loader (lilo or loadlin) about how to pass options to the
201 kernel at boot time.)
203 config SERIAL_AMBA_PL011
204 tristate "ARM AMBA PL011 serial port support"
208 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have
209 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M
214 config SERIAL_AMBA_PL011_CONSOLE
215 bool "Support for console on AMBA serial port"
216 depends on SERIAL_AMBA_PL011=y
217 select SERIAL_CORE_CONSOLE
219 Say Y here if you wish to use an AMBA PrimeCell UART as the system
220 console (the system console is the device which receives all kernel
221 messages and warnings and which allows logins in single user mode).
223 Even if you say Y here, the currently visible framebuffer console
224 (/dev/tty0) will still be used as the system console by default, but
225 you can alter that using a kernel command line option such as
226 "console=ttyAM0". (Try "man bootparam" or see the documentation of
227 your boot loader (lilo or loadlin) about how to pass options to the
228 kernel at boot time.)
230 config SERIAL_CLPS711X
231 tristate "CLPS711X serial port support"
232 depends on ARM && ARCH_CLPS711X
235 ::: To be written :::
237 config SERIAL_CLPS711X_CONSOLE
238 bool "Support for console on CLPS711X serial port"
239 depends on SERIAL_CLPS711X=y
240 select SERIAL_CORE_CONSOLE
242 Even if you say Y here, the currently visible virtual console
243 (/dev/tty0) will still be used as the system console by default, but
244 you can alter that using a kernel command line option such as
245 "console=ttyCL1". (Try "man bootparam" or see the documentation of
246 your boot loader (lilo or loadlin) about how to pass options to the
247 kernel at boot time.)
249 config SERIAL_S3C2410
250 tristate "Samsung S3C2410 Serial port support"
251 depends on ARM && ARCH_S3C2410
254 Support for the on-chip UARTs on the Samsung S3C2410X CPU,
255 providing /dev/ttySAC0, 1 and 2 (note, some machines may not
256 provide all of these ports, depending on how the serial port
259 config SERIAL_S3C2410_CONSOLE
260 bool "Support for console on S3C2410 serial port"
261 depends on SERIAL_S3C2410=y
262 select SERIAL_CORE_CONSOLE
264 Allow selection of the S3C2410 on-board serial ports for use as
267 Even if you say Y here, the currently visible virtual console
268 (/dev/tty0) will still be used as the system console by default, but
269 you can alter that using a kernel command line option such as
270 "console=ttySACx". (Try "man bootparam" or see the documentation of
271 your boot loader about how to pass options to the kernel at
274 config SERIAL_BAST_SIO
275 bool "Support for BAST SuperIO serial ports"
276 depends on ARCH_BAST && SERIAL_8250=y
278 Support for registerin the SuperIO chip on BAST board with
279 the 8250/16550 uart code.
282 bool "DECstation DZ serial driver"
283 depends on MACH_DECSTATION && MIPS32
286 DZ11-family serial controllers for VAXstations, including the
287 DC7085, M7814, and M7819.
289 config SERIAL_DZ_CONSOLE
290 bool "Support console on DECstation DZ serial driver"
291 depends on SERIAL_DZ=y
292 select SERIAL_CORE_CONSOLE
294 If you say Y here, it will be possible to use a serial port as the
295 system console (the system console is the device which receives all
296 kernel messages and warnings and which allows logins in single user
297 mode). Note that the firmware uses ttyS0 as the serial console on
298 the Maxine and ttyS2 on the others.
303 tristate "DC21285 serial port support"
304 depends on ARM && FOOTBRIDGE
307 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/
308 PCI bridge you can enable its onboard serial port by enabling this
311 config SERIAL_21285_CONSOLE
312 bool "Console on DC21285 serial port"
313 depends on SERIAL_21285=y
314 select SERIAL_CORE_CONSOLE
316 If you have enabled the serial port on the 21285 footbridge you can
317 make it the console by answering Y to this option.
319 Even if you say Y here, the currently visible virtual console
320 (/dev/tty0) will still be used as the system console by default, but
321 you can alter that using a kernel command line option such as
322 "console=ttyFB". (Try "man bootparam" or see the documentation of
323 your boot loader (lilo or loadlin) about how to pass options to the
324 kernel at boot time.)
327 bool "Excalibur serial port (uart00) support"
328 depends on ARM && ARCH_CAMELOT
331 Say Y here if you want to use the hard logic uart on Excalibur. This
332 driver also supports soft logic implentations of this uart core.
334 config SERIAL_UART00_CONSOLE
335 bool "Support for console on Excalibur serial port"
336 depends on SERIAL_UART00
337 select SERIAL_CORE_CONSOLE
339 Say Y here if you want to support a serial console on an Excalibur
340 hard logic uart or uart00 IP core.
342 Even if you say Y here, the currently visible virtual console
343 (/dev/tty0) will still be used as the system console by default, but
344 you can alter that using a kernel command line option such as
345 "console=ttyS1". (Try "man bootparam" or see the documentation of
346 your boot loader (lilo or loadlin) about how to pass options to the
347 kernel at boot time.)
350 bool "PXA serial port support"
351 depends on ARM && ARCH_PXA
354 If you have a machine based on an Intel XScale PXA2xx CPU you
355 can enable its onboard serial ports by enabling this option.
357 config SERIAL_PXA_CONSOLE
358 bool "Console on PXA serial port"
359 depends on SERIAL_PXA
360 select SERIAL_CORE_CONSOLE
362 If you have enabled the serial port on the Intel XScale PXA
363 CPU you can make it the console by answering Y to this option.
365 Even if you say Y here, the currently visible virtual console
366 (/dev/tty0) will still be used as the system console by default, but
367 you can alter that using a kernel command line option such as
368 "console=ttySA0". (Try "man bootparam" or see the documentation of
369 your boot loader (lilo or loadlin) about how to pass options to the
370 kernel at boot time.)
373 bool "SA1100 serial port support"
374 depends on ARM && ARCH_SA1100
377 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
378 can enable its onboard serial port by enabling this option.
379 Please read <file:Documentation/arm/SA1100/serial_UART> for further
382 config SERIAL_SA1100_CONSOLE
383 bool "Console on SA1100 serial port"
384 depends on SERIAL_SA1100
385 select SERIAL_CORE_CONSOLE
387 If you have enabled the serial port on the SA1100/SA1110 StrongARM
388 CPU you can make it the console by answering Y to this option.
390 Even if you say Y here, the currently visible virtual console
391 (/dev/tty0) will still be used as the system console by default, but
392 you can alter that using a kernel command line option such as
393 "console=ttySA0". (Try "man bootparam" or see the documentation of
394 your boot loader (lilo or loadlin) about how to pass options to the
395 kernel at boot time.)
397 config SERIAL_SUNCORE
399 depends on SPARC32 || SPARC64
401 select SERIAL_CORE_CONSOLE
404 config SERIAL_SUNZILOG
405 tristate "Sun Zilog8530 serial support"
406 depends on SPARC32 || SPARC64
408 This driver supports the Zilog8530 serial ports found on many Sparc
409 systems. Say Y or M if you want to be able to these serial ports.
411 config SERIAL_SUNZILOG_CONSOLE
412 bool "Console on Sun Zilog8530 serial port"
413 depends on SERIAL_SUNZILOG=y
415 If you would like to be able to use the Zilog8530 serial port
416 on your Sparc system as the console, you can do so by answering
420 tristate "Sun SU serial support"
421 depends on (SPARC32 || SPARC64) && PCI
423 This driver supports the 8250 serial ports that run the keyboard and
424 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able
425 to these serial ports.
427 config SERIAL_SUNSU_CONSOLE
428 bool "Console on Sun SU serial port"
429 depends on SERIAL_SUNSU=y
431 If you would like to be able to use the SU serial port
432 on your Sparc system as the console, you can do so by answering
436 tristate "Serial MUX support"
441 Saying Y here will enable the hardware MUX serial driver for
442 the Nova and K class systems. The hardware MUX is not 8250/16550
443 compatible therefore the /dev/ttyB0 device is shared between the
444 Serial MUX and the PDC software console. The following steps
445 need to be completed to use the Serial MUX:
447 1. create the device entry (mknod /dev/ttyB0 c 11 0)
448 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
449 3. Add device ttyB0 to /etc/securetty (if you want to log on as
450 root on this console.)
451 4. Change the kernel command console parameter to: console=ttyB0
453 config SERIAL_MUX_CONSOLE
454 bool "Support for console on serial MUX"
455 depends on SERIAL_MUX
456 select SERIAL_CORE_CONSOLE
460 bool "PDC software console support"
461 depends on PARISC && !SERIAL_MUX
464 Saying Y here will enable the software based PDC console to be
465 used as the system console. This is useful for machines in
466 which the hardware based console has not been written yet. The
467 following steps must be competed to use the PDC console:
469 1. create the device entry (mknod /dev/ttyB0 c 11 0)
470 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0
471 3. Add device ttyB0 to /etc/securetty (if you want to log on as
472 root on this console.)
473 4. Change the kernel command console parameter to: console=ttyB0
476 tristate "Sun Siemens SAB82532 serial support"
477 depends on (SPARC32 || SPARC64) && PCI
479 This driver supports the Siemens SAB82532 DUSCC serial ports on newer
480 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these
483 config SERIAL_SUNSAB_CONSOLE
484 bool "Console on Sun Siemens SAB82532 serial port"
485 depends on SERIAL_SUNSAB=y
487 If you would like to be able to use the SAB82532 serial port
488 on your Sparc system as the console, you can do so by answering
491 config SERIAL_IP22_ZILOG
492 tristate "IP22 Zilog8530 serial support"
496 This driver supports the Zilog8530 serial ports found on SGI IP22
497 systems. Say Y or M if you want to be able to these serial ports.
499 config SERIAL_IP22_ZILOG_CONSOLE
500 bool "Console on IP22 Zilog8530 serial port"
501 depends on SERIAL_IP22_ZILOG=y
502 select SERIAL_CORE_CONSOLE
506 bool "NEC V850E on-chip UART support"
507 depends on V850E_MA1 || V850E_ME2 || V850E_TEG || V850E2_ANNA || V850E_AS85EP1
513 depends V850E_UART && V850E_ME2
516 config V850E_UART_CONSOLE
517 bool "Use NEC V850E on-chip UART for console"
518 depends on V850E_UART
519 select SERIAL_CORE_CONSOLE
522 tristate "PC-9800 8251-based primary serial port support"
523 depends on X86_PC9800
526 If you want to use standard primary serial ports on PC-9800,
527 say Y. Otherwise, say N.
529 config SERIAL98_CONSOLE
530 bool "Support for console on PC-9800 standard serial port"
531 depends on SERIAL98=y
532 select SERIAL_CORE_CONSOLE
535 tristate "SH SCI(F) serial port support"
536 depends on SUPERH || H8300
539 config SERIAL_SH_SCI_CONSOLE
540 bool "Support for console on SH SCI(F)"
541 depends on SERIAL_SH_SCI=y
542 select SERIAL_CORE_CONSOLE
545 bool "Enable Au1x00 UART Support"
546 depends on MIPS && SOC_AU1X00
549 If you have an Alchemy AU1X00 processor (MIPS based) and you want
550 to use serial ports, say Y. Otherwise, say N.
552 config SERIAL_AU1X00_CONSOLE
553 bool "Enable Au1x00 serial console"
554 depends on SERIAL_AU1X00
555 select SERIAL_CORE_CONSOLE
557 If you have an Alchemy AU1X00 processor (MIPS based) and you want
558 to use a console on a serial port, say Y. Otherwise, say N.
563 config SERIAL_CORE_CONSOLE
567 bool "68328 serial support"
568 depends on M68328 || M68EZ328 || M68VZ328
570 This driver supports the built-in serial port of the Motorola 68328
571 (standard, EZ and VZ varities).
573 config SERIAL_68328_RTS_CTS
574 bool "Support RTS/CTS on 68328 serial port"
575 depends on SERIAL_68328
577 config SERIAL_COLDFIRE
578 bool "ColdFire serial support"
581 This driver supports the built-in serial ports of the Motorola ColdFire
584 config SERIAL_68360_SMC
585 bool "68360 SMC uart support"
588 This driver supports the SMC serial ports of the Motorola 68360 CPU.
590 config SERIAL_68360_SCC
591 bool "68360 SCC uart support"
594 This driver supports the SCC serial ports of the Motorola 68360 CPU.
598 depends on SERIAL_68360_SMC || SERIAL_68360_SCC
601 config SERIAL_PMACZILOG
602 tristate "PowerMac z85c30 ESCC support"
606 This driver supports the Zilog z85C30 serial ports found on
608 Say Y or M if you want to be able to these serial ports.
610 config SERIAL_PMACZILOG_CONSOLE
611 bool "Console on PowerMac z85c30 serial port"
612 depends on SERIAL_PMACZILOG=y
613 select SERIAL_CORE_CONSOLE
615 If you would like to be able to use the z85c30 serial port
616 on your PowerMac as the console, you can do so by answering