1# 2# Serial device configuration 3# 4 5if TTY 6 7menu "Serial drivers" 8 depends on HAS_IOMEM 9 10config SERIAL_EARLYCON 11 bool 12 help 13 Support for early consoles with the earlycon parameter. This enables 14 the console before standard serial driver is probed. The console is 15 enabled when early_param is processed. 16 17source "drivers/tty/serial/8250/Kconfig" 18 19comment "Non-8250 serial port support" 20 21config SERIAL_AMBA_PL010 22 tristate "ARM AMBA PL010 serial port support" 23 depends on ARM_AMBA 24 select SERIAL_CORE 25 help 26 This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have 27 an Integrator/AP or Integrator/PP2 platform, or if you have a 28 Cirrus Logic EP93xx CPU, say Y or M here. 29 30 If unsure, say N. 31 32config SERIAL_AMBA_PL010_CONSOLE 33 bool "Support for console on AMBA serial port" 34 depends on SERIAL_AMBA_PL010=y 35 select SERIAL_CORE_CONSOLE 36 ---help--- 37 Say Y here if you wish to use an AMBA PrimeCell UART as the system 38 console (the system console is the device which receives all kernel 39 messages and warnings and which allows logins in single user mode). 40 41 Even if you say Y here, the currently visible framebuffer console 42 (/dev/tty0) will still be used as the system console by default, but 43 you can alter that using a kernel command line option such as 44 "console=ttyAM0". (Try "man bootparam" or see the documentation of 45 your boot loader (lilo or loadlin) about how to pass options to the 46 kernel at boot time.) 47 48config SERIAL_AMBA_PL011 49 tristate "ARM AMBA PL011 serial port support" 50 depends on ARM_AMBA 51 select SERIAL_CORE 52 help 53 This selects the ARM(R) AMBA(R) PrimeCell PL011 UART. If you have 54 an Integrator/PP2, Integrator/CP or Versatile platform, say Y or M 55 here. 56 57 If unsure, say N. 58 59config SERIAL_AMBA_PL011_CONSOLE 60 bool "Support for console on AMBA serial port" 61 depends on SERIAL_AMBA_PL011=y 62 select SERIAL_CORE_CONSOLE 63 select SERIAL_EARLYCON 64 ---help--- 65 Say Y here if you wish to use an AMBA PrimeCell UART as the system 66 console (the system console is the device which receives all kernel 67 messages and warnings and which allows logins in single user mode). 68 69 Even if you say Y here, the currently visible framebuffer console 70 (/dev/tty0) will still be used as the system console by default, but 71 you can alter that using a kernel command line option such as 72 "console=ttyAMA0". (Try "man bootparam" or see the documentation of 73 your boot loader (lilo or loadlin) about how to pass options to the 74 kernel at boot time.) 75 76config SERIAL_EARLYCON_ARM_SEMIHOST 77 bool "Early console using ARM semihosting" 78 depends on ARM64 || ARM 79 select SERIAL_CORE 80 select SERIAL_CORE_CONSOLE 81 select SERIAL_EARLYCON 82 help 83 Support for early debug console using ARM semihosting. This enables 84 the console before standard serial driver is probed. This is enabled 85 with "earlycon=smh" on the kernel command line. The console is 86 enabled when early_param is processed. 87 88config SERIAL_SB1250_DUART 89 tristate "BCM1xxx on-chip DUART serial support" 90 depends on SIBYTE_SB1xxx_SOC=y 91 select SERIAL_CORE 92 default y 93 ---help--- 94 Support for the asynchronous serial interface (DUART) included in 95 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that 96 the letter D in DUART stands for "dual", which is how the device 97 is implemented. Depending on the SOC configuration there may be 98 one or more DUARTs available of which all are handled. 99 100 If unsure, say Y. To compile this driver as a module, choose M here: 101 the module will be called sb1250-duart. 102 103config SERIAL_SB1250_DUART_CONSOLE 104 bool "Support for console on a BCM1xxx DUART serial port" 105 depends on SERIAL_SB1250_DUART=y 106 select SERIAL_CORE_CONSOLE 107 default y 108 ---help--- 109 If you say Y here, it will be possible to use a serial port as the 110 system console (the system console is the device which receives all 111 kernel messages and warnings and which allows logins in single user 112 mode). 113 114 If unsure, say Y. 115 116config SERIAL_ATMEL 117 bool "AT91 / AT32 on-chip serial port support" 118 depends on HAS_DMA 119 depends on ARCH_AT91 || AVR32 || COMPILE_TEST 120 select SERIAL_CORE 121 select SERIAL_MCTRL_GPIO if GPIOLIB 122 help 123 This enables the driver for the on-chip UARTs of the Atmel 124 AT91 and AT32 processors. 125 126config SERIAL_ATMEL_CONSOLE 127 bool "Support for console on AT91 / AT32 serial port" 128 depends on SERIAL_ATMEL=y 129 select SERIAL_CORE_CONSOLE 130 help 131 Say Y here if you wish to use an on-chip UART on a Atmel 132 AT91 or AT32 processor as the system console (the system 133 console is the device which receives all kernel messages and 134 warnings and which allows logins in single user mode). 135 136config SERIAL_ATMEL_PDC 137 bool "Support DMA transfers on AT91 / AT32 serial port" 138 depends on SERIAL_ATMEL 139 default y 140 help 141 Say Y here if you wish to use the PDC to do DMA transfers to 142 and from the Atmel AT91 / AT32 serial port. In order to 143 actually use DMA transfers, make sure that the use_dma_tx 144 and use_dma_rx members in the atmel_uart_data struct is set 145 appropriately for each port. 146 147 Note that break and error handling currently doesn't work 148 properly when DMA is enabled. Make sure that ports where 149 this matters don't use DMA. 150 151config SERIAL_ATMEL_TTYAT 152 bool "Install as device ttyATn instead of ttySn" 153 depends on SERIAL_ATMEL=y 154 help 155 Say Y here if you wish to have the internal AT91 / AT32 UARTs 156 appear as /dev/ttyATn (major 204, minor starting at 154) 157 instead of the normal /dev/ttySn (major 4, minor starting at 158 64). This is necessary if you also want other UARTs, such as 159 external 8250/16C550 compatible UARTs. 160 The ttySn nodes are legally reserved for the 8250 serial driver 161 but are often misused by other serial drivers. 162 163 To use this, you should create suitable ttyATn device nodes in 164 /dev/, and pass "console=ttyATn" to the kernel. 165 166 Say Y if you have an external 8250/16C550 UART. If unsure, say N. 167 168config SERIAL_KGDB_NMI 169 bool "Serial console over KGDB NMI debugger port" 170 depends on KGDB_SERIAL_CONSOLE 171 help 172 This special driver allows you to temporary use NMI debugger port 173 as a normal console (assuming that the port is attached to KGDB). 174 175 Unlike KDB's disable_nmi command, with this driver you are always 176 able to go back to the debugger using KGDB escape sequence ($3#33). 177 This is because this console driver processes the input in NMI 178 context, and thus is able to intercept the magic sequence. 179 180 Note that since the console interprets input and uses polling 181 communication methods, for things like PPP you still must fully 182 detach debugger port from the KGDB NMI (i.e. disable_nmi), and 183 use raw console. 184 185 If unsure, say N. 186 187config SERIAL_KS8695 188 bool "Micrel KS8695 (Centaur) serial port support" 189 depends on ARCH_KS8695 190 select SERIAL_CORE 191 help 192 This selects the Micrel Centaur KS8695 UART. Say Y here. 193 194config SERIAL_KS8695_CONSOLE 195 bool "Support for console on KS8695 (Centaur) serial port" 196 depends on SERIAL_KS8695=y 197 select SERIAL_CORE_CONSOLE 198 help 199 Say Y here if you wish to use a KS8695 (Centaur) UART as the 200 system console (the system console is the device which 201 receives all kernel messages and warnings and which allows 202 logins in single user mode). 203 204config SERIAL_MESON 205 tristate "Meson serial port support" 206 depends on ARCH_MESON 207 select SERIAL_CORE 208 help 209 This enables the driver for the on-chip UARTs of the Amlogic 210 MesonX processors. 211 212config SERIAL_MESON_CONSOLE 213 bool "Support for console on meson" 214 depends on SERIAL_MESON=y 215 select SERIAL_CORE_CONSOLE 216 help 217 Say Y here if you wish to use a Amlogic MesonX UART as the 218 system console (the system console is the device which 219 receives all kernel messages and warnings and which allows 220 logins in single user mode) as /dev/ttyAMLx. 221 222config SERIAL_CLPS711X 223 tristate "CLPS711X serial port support" 224 depends on ARCH_CLPS711X || COMPILE_TEST 225 select SERIAL_CORE 226 select SERIAL_MCTRL_GPIO if GPIOLIB 227 help 228 This enables the driver for the on-chip UARTs of the Cirrus 229 Logic EP711x/EP721x/EP731x processors. 230 231config SERIAL_CLPS711X_CONSOLE 232 bool "Support for console on CLPS711X serial port" 233 depends on SERIAL_CLPS711X=y 234 select SERIAL_CORE_CONSOLE 235 help 236 Even if you say Y here, the currently visible virtual console 237 (/dev/tty0) will still be used as the system console by default, but 238 you can alter that using a kernel command line option such as 239 "console=ttyCL1". 240 241config SERIAL_SAMSUNG 242 tristate "Samsung SoC serial support" 243 depends on PLAT_SAMSUNG || ARCH_EXYNOS 244 select SERIAL_CORE 245 help 246 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 247 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 248 provide all of these ports, depending on how the serial port 249 pins are configured. 250 251config SERIAL_SAMSUNG_UARTS_4 252 bool 253 depends on SERIAL_SAMSUNG 254 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 255 help 256 Internal node for the common case of 4 Samsung compatible UARTs 257 258config SERIAL_SAMSUNG_UARTS 259 int 260 depends on SERIAL_SAMSUNG 261 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 262 default 3 263 help 264 Select the number of available UART ports for the Samsung S3C 265 serial driver 266 267config SERIAL_SAMSUNG_DEBUG 268 bool "Samsung SoC serial debug" 269 depends on SERIAL_SAMSUNG && DEBUG_LL 270 help 271 Add support for debugging the serial driver. Since this is 272 generally being used as a console, we use our own output 273 routines that go via the low-level debug printascii() 274 function. 275 276config SERIAL_SAMSUNG_CONSOLE 277 bool "Support for console on Samsung SoC serial port" 278 depends on SERIAL_SAMSUNG=y 279 select SERIAL_CORE_CONSOLE 280 select SERIAL_EARLYCON 281 help 282 Allow selection of the S3C24XX on-board serial ports for use as 283 an virtual console. 284 285 Even if you say Y here, the currently visible virtual console 286 (/dev/tty0) will still be used as the system console by default, but 287 you can alter that using a kernel command line option such as 288 "console=ttySACx". (Try "man bootparam" or see the documentation of 289 your boot loader about how to pass options to the kernel at 290 boot time.) 291 292config SERIAL_SIRFSOC 293 tristate "SiRF SoC Platform Serial port support" 294 depends on ARCH_SIRF 295 select SERIAL_CORE 296 help 297 Support for the on-chip UART on the CSR SiRFprimaII series, 298 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 299 provide all of these ports, depending on how the serial port 300 pins are configured). 301 302config SERIAL_SIRFSOC_CONSOLE 303 bool "Support for console on SiRF SoC serial port" 304 depends on SERIAL_SIRFSOC=y 305 select SERIAL_CORE_CONSOLE 306 help 307 Even if you say Y here, the currently visible virtual console 308 (/dev/tty0) will still be used as the system console by default, but 309 you can alter that using a kernel command line option such as 310 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 311 your boot loader about how to pass options to the kernel at 312 boot time.) 313 314config SERIAL_TEGRA 315 tristate "NVIDIA Tegra20/30 SoC serial controller" 316 depends on ARCH_TEGRA && TEGRA20_APB_DMA 317 select SERIAL_CORE 318 help 319 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 320 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 321 provide all of these ports, depending on how the serial port 322 are enabled). This driver uses the APB DMA to achieve higher baudrate 323 and better performance. 324 325config SERIAL_MAX3100 326 tristate "MAX3100 support" 327 depends on SPI 328 select SERIAL_CORE 329 help 330 MAX3100 chip support 331 332config SERIAL_MAX310X 333 tristate "MAX310X support" 334 depends on SPI_MASTER 335 select SERIAL_CORE 336 select REGMAP_SPI if SPI_MASTER 337 default n 338 help 339 This selects support for an advanced UART from Maxim (Dallas). 340 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 341 Each IC contains 128 words each of receive and transmit FIFO 342 that can be controlled through I2C or high-speed SPI. 343 344 Say Y here if you want to support this ICs. 345 346config SERIAL_DZ 347 bool "DECstation DZ serial driver" 348 depends on MACH_DECSTATION && 32BIT 349 select SERIAL_CORE 350 default y 351 ---help--- 352 DZ11-family serial controllers for DECstations and VAXstations, 353 including the DC7085, M7814, and M7819. 354 355config SERIAL_DZ_CONSOLE 356 bool "Support console on DECstation DZ serial driver" 357 depends on SERIAL_DZ=y 358 select SERIAL_CORE_CONSOLE 359 default y 360 ---help--- 361 If you say Y here, it will be possible to use a serial port as the 362 system console (the system console is the device which receives all 363 kernel messages and warnings and which allows logins in single user 364 mode). 365 366 Note that the firmware uses ttyS3 as the serial console on 367 DECstations that use this driver. 368 369 If unsure, say Y. 370 371config SERIAL_ZS 372 tristate "DECstation Z85C30 serial support" 373 depends on MACH_DECSTATION 374 select SERIAL_CORE 375 default y 376 ---help--- 377 Support for the Zilog 85C350 serial communications controller used 378 for serial ports in newer DECstation systems. These include the 379 DECsystem 5900 and all models of the DECstation and DECsystem 5000 380 systems except from model 200. 381 382 If unsure, say Y. To compile this driver as a module, choose M here: 383 the module will be called zs. 384 385config SERIAL_ZS_CONSOLE 386 bool "Support for console on a DECstation Z85C30 serial port" 387 depends on SERIAL_ZS=y 388 select SERIAL_CORE_CONSOLE 389 default y 390 ---help--- 391 If you say Y here, it will be possible to use a serial port as the 392 system console (the system console is the device which receives all 393 kernel messages and warnings and which allows logins in single user 394 mode). 395 396 Note that the firmware uses ttyS1 as the serial console on the 397 Maxine and ttyS3 on the others using this driver. 398 399 If unsure, say Y. 400 401config SERIAL_21285 402 tristate "DC21285 serial port support" 403 depends on FOOTBRIDGE 404 select SERIAL_CORE 405 help 406 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 407 PCI bridge you can enable its onboard serial port by enabling this 408 option. 409 410config SERIAL_21285_CONSOLE 411 bool "Console on DC21285 serial port" 412 depends on SERIAL_21285=y 413 select SERIAL_CORE_CONSOLE 414 help 415 If you have enabled the serial port on the 21285 footbridge you can 416 make it the console by answering Y to this option. 417 418 Even if you say Y here, the currently visible virtual console 419 (/dev/tty0) will still be used as the system console by default, but 420 you can alter that using a kernel command line option such as 421 "console=ttyFB". (Try "man bootparam" or see the documentation of 422 your boot loader (lilo or loadlin) about how to pass options to the 423 kernel at boot time.) 424 425config SERIAL_MPSC 426 bool "Marvell MPSC serial port support" 427 depends on MV64X60 428 select SERIAL_CORE 429 help 430 Say Y here if you want to use the Marvell MPSC serial controller. 431 432config SERIAL_MPSC_CONSOLE 433 bool "Support for console on Marvell MPSC serial port" 434 depends on SERIAL_MPSC 435 select SERIAL_CORE_CONSOLE 436 help 437 Say Y here if you want to support a serial console on a Marvell MPSC. 438 439config SERIAL_PXA 440 bool "PXA serial port support" 441 depends on ARCH_PXA || ARCH_MMP 442 select SERIAL_CORE 443 help 444 If you have a machine based on an Intel XScale PXA2xx CPU you 445 can enable its onboard serial ports by enabling this option. 446 447config SERIAL_PXA_CONSOLE 448 bool "Console on PXA serial port" 449 depends on SERIAL_PXA 450 select SERIAL_CORE_CONSOLE 451 help 452 If you have enabled the serial port on the Intel XScale PXA 453 CPU you can make it the console by answering Y to this option. 454 455 Even if you say Y here, the currently visible virtual console 456 (/dev/tty0) will still be used as the system console by default, but 457 you can alter that using a kernel command line option such as 458 "console=ttySA0". (Try "man bootparam" or see the documentation of 459 your boot loader (lilo or loadlin) about how to pass options to the 460 kernel at boot time.) 461 462config SERIAL_SA1100 463 bool "SA1100 serial port support" 464 depends on ARCH_SA1100 465 select SERIAL_CORE 466 help 467 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 468 can enable its onboard serial port by enabling this option. 469 Please read <file:Documentation/arm/SA1100/serial_UART> for further 470 info. 471 472config SERIAL_SA1100_CONSOLE 473 bool "Console on SA1100 serial port" 474 depends on SERIAL_SA1100 475 select SERIAL_CORE_CONSOLE 476 help 477 If you have enabled the serial port on the SA1100/SA1110 StrongARM 478 CPU you can make it the console by answering Y to this option. 479 480 Even if you say Y here, the currently visible virtual console 481 (/dev/tty0) will still be used as the system console by default, but 482 you can alter that using a kernel command line option such as 483 "console=ttySA0". (Try "man bootparam" or see the documentation of 484 your boot loader (lilo or loadlin) about how to pass options to the 485 kernel at boot time.) 486 487config SERIAL_BFIN 488 tristate "Blackfin serial port support" 489 depends on BLACKFIN 490 select SERIAL_CORE 491 select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561) 492 help 493 Add support for the built-in UARTs on the Blackfin. 494 495 To compile this driver as a module, choose M here: the 496 module is named bfin_uart.ko. 497 498config SERIAL_BFIN_CONSOLE 499 bool "Console on Blackfin serial port" 500 depends on SERIAL_BFIN=y 501 select SERIAL_CORE_CONSOLE 502 503choice 504 prompt "UART Mode" 505 depends on SERIAL_BFIN 506 default SERIAL_BFIN_DMA 507 help 508 This driver supports the built-in serial ports of the Blackfin family 509 of CPUs 510 511config SERIAL_BFIN_DMA 512 bool "DMA mode" 513 depends on !DMA_UNCACHED_NONE && KGDB_SERIAL_CONSOLE=n 514 help 515 This driver works under DMA mode. If this option is selected, the 516 blackfin simple dma driver is also enabled. 517 518config SERIAL_BFIN_PIO 519 bool "PIO mode" 520 help 521 This driver works under PIO mode. 522 523endchoice 524 525config SERIAL_BFIN_UART0 526 bool "Enable UART0" 527 depends on SERIAL_BFIN 528 help 529 Enable UART0 530 531config BFIN_UART0_CTSRTS 532 bool "Enable UART0 hardware flow control" 533 depends on SERIAL_BFIN_UART0 534 help 535 Enable hardware flow control in the driver. 536 537config SERIAL_BFIN_UART1 538 bool "Enable UART1" 539 depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561) 540 help 541 Enable UART1 542 543config BFIN_UART1_CTSRTS 544 bool "Enable UART1 hardware flow control" 545 depends on SERIAL_BFIN_UART1 546 help 547 Enable hardware flow control in the driver. 548 549config SERIAL_BFIN_UART2 550 bool "Enable UART2" 551 depends on SERIAL_BFIN && (BF54x || BF538 || BF539) 552 help 553 Enable UART2 554 555config BFIN_UART2_CTSRTS 556 bool "Enable UART2 hardware flow control" 557 depends on SERIAL_BFIN_UART2 558 help 559 Enable hardware flow control in the driver. 560 561config SERIAL_BFIN_UART3 562 bool "Enable UART3" 563 depends on SERIAL_BFIN && (BF54x) 564 help 565 Enable UART3 566 567config BFIN_UART3_CTSRTS 568 bool "Enable UART3 hardware flow control" 569 depends on SERIAL_BFIN_UART3 570 help 571 Enable hardware flow control in the driver. 572 573config SERIAL_IMX 574 tristate "IMX serial port support" 575 depends on HAS_DMA 576 depends on ARCH_MXC || COMPILE_TEST 577 select SERIAL_CORE 578 select RATIONAL 579 select SERIAL_MCTRL_GPIO if GPIOLIB 580 help 581 If you have a machine based on a Motorola IMX CPU you 582 can enable its onboard serial port by enabling this option. 583 584config SERIAL_IMX_CONSOLE 585 bool "Console on IMX serial port" 586 depends on SERIAL_IMX=y 587 select SERIAL_CORE_CONSOLE 588 select SERIAL_EARLYCON if OF 589 help 590 If you have enabled the serial port on the Freescale IMX 591 CPU you can make it the console by answering Y to this option. 592 593 Even if you say Y here, the currently visible virtual console 594 (/dev/tty0) will still be used as the system console by default, but 595 you can alter that using a kernel command line option such as 596 "console=ttymxc0". (Try "man bootparam" or see the documentation of 597 your bootloader about how to pass options to the kernel at boot time.) 598 599config SERIAL_UARTLITE 600 tristate "Xilinx uartlite serial port support" 601 depends on HAS_IOMEM 602 select SERIAL_CORE 603 help 604 Say Y here if you want to use the Xilinx uartlite serial controller. 605 606 To compile this driver as a module, choose M here: the 607 module will be called uartlite. 608 609config SERIAL_UARTLITE_CONSOLE 610 bool "Support for console on Xilinx uartlite serial port" 611 depends on SERIAL_UARTLITE=y 612 select SERIAL_CORE_CONSOLE 613 select SERIAL_EARLYCON 614 help 615 Say Y here if you wish to use a Xilinx uartlite as the system 616 console (the system console is the device which receives all kernel 617 messages and warnings and which allows logins in single user mode). 618 619config SERIAL_SUNCORE 620 bool 621 depends on SPARC 622 select SERIAL_CORE 623 select SERIAL_CORE_CONSOLE 624 default y 625 626config SERIAL_SUNZILOG 627 tristate "Sun Zilog8530 serial support" 628 depends on SPARC 629 help 630 This driver supports the Zilog8530 serial ports found on many Sparc 631 systems. Say Y or M if you want to be able to these serial ports. 632 633config SERIAL_SUNZILOG_CONSOLE 634 bool "Console on Sun Zilog8530 serial port" 635 depends on SERIAL_SUNZILOG=y 636 help 637 If you would like to be able to use the Zilog8530 serial port 638 on your Sparc system as the console, you can do so by answering 639 Y to this option. 640 641config SERIAL_SUNSU 642 tristate "Sun SU serial support" 643 depends on SPARC && PCI 644 help 645 This driver supports the 8250 serial ports that run the keyboard and 646 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 647 to these serial ports. 648 649config SERIAL_SUNSU_CONSOLE 650 bool "Console on Sun SU serial port" 651 depends on SERIAL_SUNSU=y 652 help 653 If you would like to be able to use the SU serial port 654 on your Sparc system as the console, you can do so by answering 655 Y to this option. 656 657config SERIAL_MUX 658 tristate "Serial MUX support" 659 depends on GSC 660 select SERIAL_CORE 661 default y 662 ---help--- 663 Saying Y here will enable the hardware MUX serial driver for 664 the Nova, K class systems and D class with a 'remote control card'. 665 The hardware MUX is not 8250/16550 compatible therefore the 666 /dev/ttyB0 device is shared between the Serial MUX and the PDC 667 software console. The following steps need to be completed to use 668 the Serial MUX: 669 670 1. create the device entry (mknod /dev/ttyB0 c 11 0) 671 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 672 3. Add device ttyB0 to /etc/securetty (if you want to log on as 673 root on this console.) 674 4. Change the kernel command console parameter to: console=ttyB0 675 676config SERIAL_MUX_CONSOLE 677 bool "Support for console on serial MUX" 678 depends on SERIAL_MUX=y 679 select SERIAL_CORE_CONSOLE 680 default y 681 682config PDC_CONSOLE 683 bool "PDC software console support" 684 depends on PARISC && !SERIAL_MUX && VT 685 default n 686 help 687 Saying Y here will enable the software based PDC console to be 688 used as the system console. This is useful for machines in 689 which the hardware based console has not been written yet. The 690 following steps must be completed to use the PDC console: 691 692 1. create the device entry (mknod /dev/ttyB0 c 11 0) 693 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 694 3. Add device ttyB0 to /etc/securetty (if you want to log on as 695 root on this console.) 696 4. Change the kernel command console parameter to: console=ttyB0 697 698config SERIAL_SUNSAB 699 tristate "Sun Siemens SAB82532 serial support" 700 depends on SPARC && PCI 701 help 702 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 703 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 704 serial ports. 705 706config SERIAL_SUNSAB_CONSOLE 707 bool "Console on Sun Siemens SAB82532 serial port" 708 depends on SERIAL_SUNSAB=y 709 help 710 If you would like to be able to use the SAB82532 serial port 711 on your Sparc system as the console, you can do so by answering 712 Y to this option. 713 714config SERIAL_SUNHV 715 bool "Sun4v Hypervisor Console support" 716 depends on SPARC64 717 help 718 This driver supports the console device found on SUN4V Sparc 719 systems. Say Y if you want to be able to use this device. 720 721config SERIAL_IP22_ZILOG 722 tristate "SGI Zilog8530 serial support" 723 depends on SGI_HAS_ZILOG 724 select SERIAL_CORE 725 help 726 This driver supports the Zilog8530 serial ports found on SGI 727 systems. Say Y or M if you want to be able to these serial ports. 728 729config SERIAL_IP22_ZILOG_CONSOLE 730 bool "Console on SGI Zilog8530 serial port" 731 depends on SERIAL_IP22_ZILOG=y 732 select SERIAL_CORE_CONSOLE 733 734config SERIAL_SH_SCI 735 tristate "SuperH SCI(F) serial port support" 736 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 737 select SERIAL_CORE 738 739config SERIAL_SH_SCI_NR_UARTS 740 int "Maximum number of SCI(F) serial ports" 741 depends on SERIAL_SH_SCI 742 default "2" 743 744config SERIAL_SH_SCI_CONSOLE 745 bool "Support for console on SuperH SCI(F)" 746 depends on SERIAL_SH_SCI=y 747 select SERIAL_CORE_CONSOLE 748 749config SERIAL_SH_SCI_EARLYCON 750 bool "Support for early console on SuperH SCI(F)" 751 depends on SERIAL_SH_SCI=y 752 select SERIAL_CORE_CONSOLE 753 select SERIAL_EARLYCON 754 755config SERIAL_SH_SCI_DMA 756 bool "DMA support" 757 depends on SERIAL_SH_SCI && DMA_ENGINE 758 759config SERIAL_PNX8XXX 760 bool "Enable PNX8XXX SoCs' UART Support" 761 depends on SOC_PNX833X 762 select SERIAL_CORE 763 help 764 If you have a MIPS-based Philips SoC such as PNX8330 and you want 765 to use serial ports, say Y. Otherwise, say N. 766 767config SERIAL_PNX8XXX_CONSOLE 768 bool "Enable PNX8XX0 serial console" 769 depends on SERIAL_PNX8XXX 770 select SERIAL_CORE_CONSOLE 771 help 772 If you have a MIPS-based Philips SoC such as PNX8330 and you want 773 to use serial console, say Y. Otherwise, say N. 774 775config SERIAL_HS_LPC32XX 776 tristate "LPC32XX high speed serial port support" 777 depends on ARCH_LPC32XX && OF 778 select SERIAL_CORE 779 help 780 Support for the LPC32XX high speed serial ports (up to 900kbps). 781 Those are UARTs completely different from the Standard UARTs on the 782 LPC32XX SoC. 783 Choose M or Y here to build this driver. 784 785config SERIAL_HS_LPC32XX_CONSOLE 786 bool "Enable LPC32XX high speed UART serial console" 787 depends on SERIAL_HS_LPC32XX=y 788 select SERIAL_CORE_CONSOLE 789 help 790 If you would like to be able to use one of the high speed serial 791 ports on the LPC32XX as the console, you can do so by answering 792 Y to this option. 793 794config SERIAL_CORE 795 tristate 796 797config SERIAL_CORE_CONSOLE 798 bool 799 800config CONSOLE_POLL 801 bool 802 803config SERIAL_MCF 804 bool "Coldfire serial support" 805 depends on COLDFIRE 806 select SERIAL_CORE 807 help 808 This serial driver supports the Freescale Coldfire serial ports. 809 810config SERIAL_MCF_BAUDRATE 811 int "Default baudrate for Coldfire serial ports" 812 depends on SERIAL_MCF 813 default 19200 814 help 815 This setting lets you define what the default baudrate is for the 816 ColdFire serial ports. The usual default varies from board to board, 817 and this setting is a way of catering for that. 818 819config SERIAL_MCF_CONSOLE 820 bool "Coldfire serial console support" 821 depends on SERIAL_MCF 822 select SERIAL_CORE_CONSOLE 823 help 824 Enable a ColdFire internal serial port to be the system console. 825 826config SERIAL_PMACZILOG 827 tristate "Mac or PowerMac z85c30 ESCC support" 828 depends on (M68K && MAC) || PPC_PMAC 829 select SERIAL_CORE 830 help 831 This driver supports the Zilog z85C30 serial ports found on 832 (Power)Mac machines. 833 Say Y or M if you want to be able to these serial ports. 834 835config SERIAL_PMACZILOG_TTYS 836 bool "Use ttySn device nodes for Zilog z85c30" 837 depends on SERIAL_PMACZILOG 838 help 839 The pmac_zilog driver for the z85C30 chip on many powermacs 840 historically used the device numbers for /dev/ttySn. The 841 8250 serial port driver also uses these numbers, which means 842 the two drivers being unable to coexist; you could not use 843 both z85C30 and 8250 type ports at the same time. 844 845 If this option is not selected, the pmac_zilog driver will 846 use the device numbers allocated for /dev/ttyPZn. This allows 847 the pmac_zilog and 8250 drivers to co-exist, but may cause 848 existing userspace setups to break. Programs that need to 849 access the built-in serial ports on powermacs will need to 850 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 851 852 If you enable this option, any z85c30 ports in the system will 853 be registered as ttyS0 onwards as in the past, and you will be 854 unable to use the 8250 module for PCMCIA or other 16C550-style 855 UARTs. 856 857 Say N unless you need the z85c30 ports on your (Power)Mac 858 to appear as /dev/ttySn. 859 860config SERIAL_PMACZILOG_CONSOLE 861 bool "Console on Mac or PowerMac z85c30 serial port" 862 depends on SERIAL_PMACZILOG=y 863 select SERIAL_CORE_CONSOLE 864 help 865 If you would like to be able to use the z85c30 serial port 866 on your (Power)Mac as the console, you can do so by answering 867 Y to this option. 868 869config SERIAL_CPM 870 tristate "CPM SCC/SMC serial port support" 871 depends on CPM2 || CPM1 872 select SERIAL_CORE 873 help 874 This driver supports the SCC and SMC serial ports on Motorola 875 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 876 877config SERIAL_CPM_CONSOLE 878 bool "Support for console on CPM SCC/SMC serial port" 879 depends on SERIAL_CPM=y 880 select SERIAL_CORE_CONSOLE 881 help 882 Say Y here if you wish to use a SCC or SMC CPM UART as the system 883 console (the system console is the device which receives all kernel 884 messages and warnings and which allows logins in single user mode). 885 886 Even if you say Y here, the currently visible framebuffer console 887 (/dev/tty0) will still be used as the system console by default, but 888 you can alter that using a kernel command line option such as 889 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 890 your boot loader (lilo or loadlin) about how to pass options to the 891 kernel at boot time.) 892 893config SERIAL_SGI_L1_CONSOLE 894 bool "SGI Altix L1 serial console support" 895 depends on IA64_GENERIC || IA64_SGI_SN2 896 select SERIAL_CORE 897 select SERIAL_CORE_CONSOLE 898 help 899 If you have an SGI Altix and you would like to use the system 900 controller serial port as your console (you want this!), 901 say Y. Otherwise, say N. 902 903config SERIAL_MPC52xx 904 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 905 depends on PPC_MPC52xx || PPC_MPC512x 906 select SERIAL_CORE 907 help 908 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 909 like to use them, you must answer Y or M to this option. Note that 910 for use as console, it must be included in kernel and not as a 911 module. 912 913config SERIAL_MPC52xx_CONSOLE 914 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 915 depends on SERIAL_MPC52xx=y 916 select SERIAL_CORE_CONSOLE 917 help 918 Select this options if you'd like to use one of the PSC serial port 919 of the Freescale MPC52xx family as a console. 920 921config SERIAL_MPC52xx_CONSOLE_BAUD 922 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 923 depends on SERIAL_MPC52xx_CONSOLE=y 924 default "9600" 925 help 926 Select the MPC52xx console baud rate. 927 This value is only used if the bootloader doesn't pass in the 928 console baudrate 929 930config SERIAL_ICOM 931 tristate "IBM Multiport Serial Adapter" 932 depends on PCI && PPC_PSERIES 933 select SERIAL_CORE 934 select FW_LOADER 935 help 936 This driver is for a family of multiport serial adapters 937 including 2 port RVX, 2 port internal modem, 4 port internal 938 modem and a split 1 port RVX and 1 port internal modem. 939 940 This driver can also be built as a module. If so, the module 941 will be called icom. 942 943config SERIAL_M32R_SIO 944 bool "M32R SIO I/F" 945 depends on M32R 946 default y 947 select SERIAL_CORE 948 help 949 Say Y here if you want to use the M32R serial controller. 950 951config SERIAL_M32R_SIO_CONSOLE 952 bool "use SIO console" 953 depends on SERIAL_M32R_SIO=y 954 select SERIAL_CORE_CONSOLE 955 help 956 Say Y here if you want to support a serial console. 957 958 If you use an M3T-M32700UT or an OPSPUT platform, 959 please say also y for SERIAL_M32R_PLDSIO. 960 961config SERIAL_M32R_PLDSIO 962 bool "M32R SIO I/F on a PLD" 963 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 964 default n 965 help 966 Say Y here if you want to use the M32R serial controller 967 on a PLD (Programmable Logic Device). 968 969 If you use an M3T-M32700UT or an OPSPUT platform, 970 please say Y. 971 972config SERIAL_TXX9 973 bool "TMPTX39XX/49XX SIO support" 974 depends on HAS_TXX9_SERIAL 975 select SERIAL_CORE 976 default y 977 978config HAS_TXX9_SERIAL 979 bool 980 981config SERIAL_TXX9_NR_UARTS 982 int "Maximum number of TMPTX39XX/49XX SIO ports" 983 depends on SERIAL_TXX9 984 default "6" 985 986config SERIAL_TXX9_CONSOLE 987 bool "TMPTX39XX/49XX SIO Console support" 988 depends on SERIAL_TXX9=y 989 select SERIAL_CORE_CONSOLE 990 991config SERIAL_TXX9_STDSERIAL 992 bool "TX39XX/49XX SIO act as standard serial" 993 depends on !SERIAL_8250 && SERIAL_TXX9 994 995config SERIAL_VR41XX 996 tristate "NEC VR4100 series Serial Interface Unit support" 997 depends on CPU_VR41XX 998 select SERIAL_CORE 999 help 1000 If you have a NEC VR4100 series processor and you want to use 1001 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1002 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1003 1004config SERIAL_VR41XX_CONSOLE 1005 bool "Enable NEC VR4100 series Serial Interface Unit console" 1006 depends on SERIAL_VR41XX=y 1007 select SERIAL_CORE_CONSOLE 1008 help 1009 If you have a NEC VR4100 series processor and you want to use 1010 a console on a serial port, say Y. Otherwise, say N. 1011 1012config SERIAL_JSM 1013 tristate "Digi International NEO and Classic PCI Support" 1014 depends on PCI 1015 select SERIAL_CORE 1016 help 1017 This is a driver for Digi International's Neo and Classic series 1018 of cards which provide multiple serial ports. You would need 1019 something like this to connect more than two modems to your Linux 1020 box, for instance in order to become a dial-in server. This driver 1021 supports PCI boards only. 1022 1023 If you have a card like this, say Y here, otherwise say N. 1024 1025 To compile this driver as a module, choose M here: the 1026 module will be called jsm. 1027 1028config SERIAL_SGI_IOC4 1029 tristate "SGI IOC4 controller serial support" 1030 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1031 select SERIAL_CORE 1032 help 1033 If you have an SGI Altix with an IOC4 based Base IO card 1034 and wish to use the serial ports on this card, say Y. 1035 Otherwise, say N. 1036 1037config SERIAL_SGI_IOC3 1038 tristate "SGI Altix IOC3 serial support" 1039 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1040 select SERIAL_CORE 1041 help 1042 If you have an SGI Altix with an IOC3 serial card, 1043 say Y or M. Otherwise, say N. 1044 1045config SERIAL_MSM 1046 tristate "MSM on-chip serial port support" 1047 depends on ARCH_QCOM 1048 select SERIAL_CORE 1049 1050config SERIAL_MSM_CONSOLE 1051 bool "MSM serial console support" 1052 depends on SERIAL_MSM=y 1053 select SERIAL_CORE_CONSOLE 1054 select SERIAL_EARLYCON 1055 1056config SERIAL_VT8500 1057 bool "VIA VT8500 on-chip serial port support" 1058 depends on ARCH_VT8500 1059 select SERIAL_CORE 1060 1061config SERIAL_VT8500_CONSOLE 1062 bool "VIA VT8500 serial console support" 1063 depends on SERIAL_VT8500=y 1064 select SERIAL_CORE_CONSOLE 1065 1066config SERIAL_ETRAXFS 1067 bool "ETRAX FS serial port support" 1068 depends on ETRAX_ARCH_V32 && OF 1069 select SERIAL_CORE 1070 select SERIAL_MCTRL_GPIO if GPIOLIB 1071 1072config SERIAL_ETRAXFS_CONSOLE 1073 bool "ETRAX FS serial console support" 1074 depends on SERIAL_ETRAXFS 1075 select SERIAL_CORE_CONSOLE 1076 1077config SERIAL_NETX 1078 tristate "NetX serial port support" 1079 depends on ARCH_NETX 1080 select SERIAL_CORE 1081 help 1082 If you have a machine based on a Hilscher NetX SoC you 1083 can enable its onboard serial port by enabling this option. 1084 1085 To compile this driver as a module, choose M here: the 1086 module will be called netx-serial. 1087 1088config SERIAL_NETX_CONSOLE 1089 bool "Console on NetX serial port" 1090 depends on SERIAL_NETX=y 1091 select SERIAL_CORE_CONSOLE 1092 help 1093 If you have enabled the serial port on the Hilscher NetX SoC 1094 you can make it the console by answering Y to this option. 1095 1096config SERIAL_OMAP 1097 tristate "OMAP serial port support" 1098 depends on ARCH_OMAP2PLUS 1099 select SERIAL_CORE 1100 help 1101 If you have a machine based on an Texas Instruments OMAP CPU you 1102 can enable its onboard serial ports by enabling this option. 1103 1104 By enabling this option you take advantage of dma feature available 1105 with the omap-serial driver. DMA support can be enabled from platform 1106 data. 1107 1108config SERIAL_OMAP_CONSOLE 1109 bool "Console on OMAP serial port" 1110 depends on SERIAL_OMAP=y 1111 select SERIAL_CORE_CONSOLE 1112 help 1113 Select this option if you would like to use omap serial port as 1114 console. 1115 1116 Even if you say Y here, the currently visible virtual console 1117 (/dev/tty0) will still be used as the system console by default, but 1118 you can alter that using a kernel command line option such as 1119 "console=ttyOx". (Try "man bootparam" or see the documentation of 1120 your boot loader about how to pass options to the kernel at 1121 boot time.) 1122 1123config SERIAL_LANTIQ 1124 bool "Lantiq serial driver" 1125 depends on LANTIQ 1126 select SERIAL_CORE 1127 select SERIAL_CORE_CONSOLE 1128 help 1129 Support for console and UART on Lantiq SoCs. 1130 1131config SERIAL_QE 1132 tristate "Freescale QUICC Engine serial port support" 1133 depends on QUICC_ENGINE 1134 select SERIAL_CORE 1135 select FW_LOADER 1136 default n 1137 help 1138 This driver supports the QE serial ports on Freescale embedded 1139 PowerPC that contain a QUICC Engine. 1140 1141config SERIAL_SCCNXP 1142 tristate "SCCNXP serial port support" 1143 select SERIAL_CORE 1144 help 1145 This selects support for an advanced UART from NXP (Philips). 1146 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1147 SC28L202, SCC68681 and SCC68692. 1148 1149config SERIAL_SCCNXP_CONSOLE 1150 bool "Console on SCCNXP serial port" 1151 depends on SERIAL_SCCNXP=y 1152 select SERIAL_CORE_CONSOLE 1153 help 1154 Support for console on SCCNXP serial ports. 1155 1156config SERIAL_SC16IS7XX_CORE 1157 tristate 1158 1159config SERIAL_SC16IS7XX 1160 tristate "SC16IS7xx serial support" 1161 select SERIAL_CORE 1162 depends on (SPI_MASTER && !I2C) || I2C 1163 help 1164 This selects support for SC16IS7xx serial ports. 1165 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1166 SC16IS760 and SC16IS762. Select supported buses using options below. 1167 1168config SERIAL_SC16IS7XX_I2C 1169 bool "SC16IS7xx for I2C interface" 1170 depends on SERIAL_SC16IS7XX 1171 depends on I2C 1172 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1173 select REGMAP_I2C if I2C 1174 default y 1175 help 1176 Enable SC16IS7xx driver on I2C bus, 1177 If required say y, and say n to i2c if not required, 1178 Enabled by default to support oldconfig. 1179 You must select at least one bus for the driver to be built. 1180 1181config SERIAL_SC16IS7XX_SPI 1182 bool "SC16IS7xx for spi interface" 1183 depends on SERIAL_SC16IS7XX 1184 depends on SPI_MASTER 1185 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1186 select REGMAP_SPI if SPI_MASTER 1187 help 1188 Enable SC16IS7xx driver on SPI bus, 1189 If required say y, and say n to spi if not required, 1190 This is additional support to exsisting driver. 1191 You must select at least one bus for the driver to be built. 1192 1193config SERIAL_BFIN_SPORT 1194 tristate "Blackfin SPORT emulate UART" 1195 depends on BLACKFIN 1196 select SERIAL_CORE 1197 help 1198 Enable SPORT emulate UART on Blackfin series. 1199 1200 To compile this driver as a module, choose M here: the 1201 module will be called bfin_sport_uart. 1202 1203config SERIAL_BFIN_SPORT_CONSOLE 1204 bool "Console on Blackfin sport emulated uart" 1205 depends on SERIAL_BFIN_SPORT=y 1206 select SERIAL_CORE_CONSOLE 1207 1208config SERIAL_BFIN_SPORT0_UART 1209 bool "Enable UART over SPORT0" 1210 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1211 help 1212 Enable UART over SPORT0 1213 1214config SERIAL_BFIN_SPORT0_UART_CTSRTS 1215 bool "Enable UART over SPORT0 hardware flow control" 1216 depends on SERIAL_BFIN_SPORT0_UART 1217 help 1218 Enable hardware flow control in the driver. 1219 1220config SERIAL_BFIN_SPORT1_UART 1221 bool "Enable UART over SPORT1" 1222 depends on SERIAL_BFIN_SPORT 1223 help 1224 Enable UART over SPORT1 1225 1226config SERIAL_BFIN_SPORT1_UART_CTSRTS 1227 bool "Enable UART over SPORT1 hardware flow control" 1228 depends on SERIAL_BFIN_SPORT1_UART 1229 help 1230 Enable hardware flow control in the driver. 1231 1232config SERIAL_BFIN_SPORT2_UART 1233 bool "Enable UART over SPORT2" 1234 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1235 help 1236 Enable UART over SPORT2 1237 1238config SERIAL_BFIN_SPORT2_UART_CTSRTS 1239 bool "Enable UART over SPORT2 hardware flow control" 1240 depends on SERIAL_BFIN_SPORT2_UART 1241 help 1242 Enable hardware flow control in the driver. 1243 1244config SERIAL_BFIN_SPORT3_UART 1245 bool "Enable UART over SPORT3" 1246 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1247 help 1248 Enable UART over SPORT3 1249 1250config SERIAL_BFIN_SPORT3_UART_CTSRTS 1251 bool "Enable UART over SPORT3 hardware flow control" 1252 depends on SERIAL_BFIN_SPORT3_UART 1253 help 1254 Enable hardware flow control in the driver. 1255 1256config SERIAL_TIMBERDALE 1257 tristate "Support for timberdale UART" 1258 select SERIAL_CORE 1259 depends on X86_32 || COMPILE_TEST 1260 ---help--- 1261 Add support for UART controller on timberdale. 1262 1263config SERIAL_BCM63XX 1264 tristate "Broadcom BCM63xx/BCM33xx UART support" 1265 select SERIAL_CORE 1266 depends on MIPS || ARM || COMPILE_TEST 1267 help 1268 This enables the driver for the onchip UART core found on 1269 the following chipsets: 1270 1271 BCM33xx (cable modem) 1272 BCM63xx/BCM63xxx (DSL) 1273 BCM68xx (PON) 1274 BCM7xxx (STB) - DOCSIS console 1275 1276config SERIAL_BCM63XX_CONSOLE 1277 bool "Console on BCM63xx serial port" 1278 depends on SERIAL_BCM63XX=y 1279 select SERIAL_CORE_CONSOLE 1280 select SERIAL_EARLYCON 1281 help 1282 If you have enabled the serial port on the BCM63xx CPU 1283 you can make it the console by answering Y to this option. 1284 1285config SERIAL_GRLIB_GAISLER_APBUART 1286 tristate "GRLIB APBUART serial support" 1287 depends on OF && SPARC 1288 select SERIAL_CORE 1289 ---help--- 1290 Add support for the GRLIB APBUART serial port. 1291 1292config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1293 bool "Console on GRLIB APBUART serial port" 1294 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1295 select SERIAL_CORE_CONSOLE 1296 help 1297 Support for running a console on the GRLIB APBUART 1298 1299config SERIAL_ALTERA_JTAGUART 1300 tristate "Altera JTAG UART support" 1301 select SERIAL_CORE 1302 help 1303 This driver supports the Altera JTAG UART port. 1304 1305config SERIAL_ALTERA_JTAGUART_CONSOLE 1306 bool "Altera JTAG UART console support" 1307 depends on SERIAL_ALTERA_JTAGUART=y 1308 select SERIAL_CORE_CONSOLE 1309 help 1310 Enable a Altera JTAG UART port to be the system console. 1311 1312config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1313 bool "Bypass output when no connection" 1314 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1315 select SERIAL_CORE_CONSOLE 1316 help 1317 Bypass console output and keep going even if there is no 1318 JTAG terminal connection with the host. 1319 1320config SERIAL_ALTERA_UART 1321 tristate "Altera UART support" 1322 select SERIAL_CORE 1323 help 1324 This driver supports the Altera softcore UART port. 1325 1326config SERIAL_ALTERA_UART_MAXPORTS 1327 int "Maximum number of Altera UART ports" 1328 depends on SERIAL_ALTERA_UART 1329 default 4 1330 help 1331 This setting lets you define the maximum number of the Altera 1332 UART ports. The usual default varies from board to board, and 1333 this setting is a way of catering for that. 1334 1335config SERIAL_ALTERA_UART_BAUDRATE 1336 int "Default baudrate for Altera UART ports" 1337 depends on SERIAL_ALTERA_UART 1338 default 115200 1339 help 1340 This setting lets you define what the default baudrate is for the 1341 Altera UART ports. The usual default varies from board to board, 1342 and this setting is a way of catering for that. 1343 1344config SERIAL_ALTERA_UART_CONSOLE 1345 bool "Altera UART console support" 1346 depends on SERIAL_ALTERA_UART=y 1347 select SERIAL_CORE_CONSOLE 1348 help 1349 Enable a Altera UART port to be the system console. 1350 1351config SERIAL_IFX6X60 1352 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1353 depends on GPIOLIB || COMPILE_TEST 1354 depends on SPI && HAS_DMA 1355 help 1356 Support for the IFX6x60 modem devices on Intel MID platforms. 1357 1358config SERIAL_PCH_UART 1359 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1360 depends on PCI && (X86_32 || COMPILE_TEST) 1361 select SERIAL_CORE 1362 help 1363 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1364 which is an IOH(Input/Output Hub) for x86 embedded processor. 1365 Enabling PCH_DMA, this PCH UART works as DMA mode. 1366 1367 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1368 Output Hub), ML7213, ML7223 and ML7831. 1369 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1370 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1371 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1372 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1373 1374config SERIAL_PCH_UART_CONSOLE 1375 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1376 depends on SERIAL_PCH_UART=y 1377 select SERIAL_CORE_CONSOLE 1378 help 1379 Say Y here if you wish to use the PCH UART as the system console 1380 (the system console is the device which receives all kernel messages and 1381 warnings and which allows logins in single user mode). 1382 1383config SERIAL_MXS_AUART 1384 tristate "MXS AUART support" 1385 depends on HAS_DMA 1386 depends on ARCH_MXS || COMPILE_TEST 1387 select SERIAL_CORE 1388 select SERIAL_MCTRL_GPIO if GPIOLIB 1389 help 1390 This driver supports the MXS Application UART (AUART) port. 1391 1392config SERIAL_MXS_AUART_CONSOLE 1393 bool "MXS AUART console support" 1394 depends on SERIAL_MXS_AUART=y 1395 select SERIAL_CORE_CONSOLE 1396 help 1397 Enable a MXS AUART port to be the system console. 1398 1399config SERIAL_XILINX_PS_UART 1400 tristate "Cadence (Xilinx Zynq) UART support" 1401 depends on OF 1402 select SERIAL_CORE 1403 help 1404 This driver supports the Cadence UART. It is found e.g. in Xilinx 1405 Zynq. 1406 1407config SERIAL_XILINX_PS_UART_CONSOLE 1408 bool "Cadence UART console support" 1409 depends on SERIAL_XILINX_PS_UART=y 1410 select SERIAL_CORE_CONSOLE 1411 select SERIAL_EARLYCON 1412 help 1413 Enable a Cadence UART port to be the system console. 1414 1415config SERIAL_AR933X 1416 tristate "AR933X serial port support" 1417 depends on HAVE_CLK && SOC_AR933X 1418 select SERIAL_CORE 1419 help 1420 If you have an Atheros AR933X SOC based board and want to use the 1421 built-in UART of the SoC, say Y to this option. 1422 1423 To compile this driver as a module, choose M here: the 1424 module will be called ar933x_uart. 1425 1426config SERIAL_AR933X_CONSOLE 1427 bool "Console on AR933X serial port" 1428 depends on SERIAL_AR933X=y 1429 select SERIAL_CORE_CONSOLE 1430 help 1431 Enable a built-in UART port of the AR933X to be the system console. 1432 1433config SERIAL_AR933X_NR_UARTS 1434 int "Maximum number of AR933X serial ports" 1435 depends on SERIAL_AR933X 1436 default "2" 1437 help 1438 Set this to the number of serial ports you want the driver 1439 to support. 1440 1441config SERIAL_EFM32_UART 1442 tristate "EFM32 UART/USART port" 1443 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1444 select SERIAL_CORE 1445 help 1446 This driver support the USART and UART ports on 1447 Energy Micro's efm32 SoCs. 1448 1449config SERIAL_EFM32_UART_CONSOLE 1450 bool "EFM32 UART/USART console support" 1451 depends on SERIAL_EFM32_UART=y 1452 select SERIAL_CORE_CONSOLE 1453 1454config SERIAL_TILEGX 1455 tristate "TILE-Gx on-chip serial port support" 1456 depends on TILEGX 1457 select TILE_GXIO_UART 1458 select SERIAL_CORE 1459 ---help--- 1460 This device provides access to the on-chip UARTs on the TILE-Gx 1461 processor. 1462 1463config SERIAL_ARC 1464 tristate "ARC UART driver support" 1465 select SERIAL_CORE 1466 help 1467 Driver for on-chip UART for ARC(Synopsys) for the legacy 1468 FPGA Boards (ML50x/ARCAngel4) 1469 1470config SERIAL_ARC_CONSOLE 1471 bool "Console on ARC UART" 1472 depends on SERIAL_ARC=y 1473 select SERIAL_CORE_CONSOLE 1474 select SERIAL_EARLYCON 1475 help 1476 Enable system Console on ARC UART 1477 1478config SERIAL_ARC_NR_PORTS 1479 int "Number of ARC UART ports" 1480 depends on SERIAL_ARC 1481 range 1 3 1482 default "1" 1483 help 1484 Set this to the number of serial ports you want the driver 1485 to support. 1486 1487config SERIAL_RP2 1488 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1489 depends on PCI 1490 select SERIAL_CORE 1491 help 1492 This driver supports the Comtrol RocketPort EXPRESS and 1493 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1494 These adapters use a "RocketPort 2" ASIC that is not compatible 1495 with the original RocketPort driver (CONFIG_ROCKETPORT). 1496 1497 To compile this driver as a module, choose M here: the 1498 module will be called rp2. 1499 1500 If you want to compile this driver into the kernel, say Y here. If 1501 you don't have a suitable RocketPort card installed, say N. 1502 1503config SERIAL_RP2_NR_UARTS 1504 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1505 depends on SERIAL_RP2 1506 default "32" 1507 help 1508 If multiple cards are present, the default limit of 32 ports may 1509 need to be increased. 1510 1511config SERIAL_FSL_LPUART 1512 tristate "Freescale lpuart serial port support" 1513 depends on HAS_DMA 1514 select SERIAL_CORE 1515 help 1516 Support for the on-chip lpuart on some Freescale SOCs. 1517 1518config SERIAL_FSL_LPUART_CONSOLE 1519 bool "Console on Freescale lpuart serial port" 1520 depends on SERIAL_FSL_LPUART=y 1521 select SERIAL_CORE_CONSOLE 1522 select SERIAL_EARLYCON 1523 help 1524 If you have enabled the lpuart serial port on the Freescale SoCs, 1525 you can make it the console by answering Y to this option. 1526 1527config SERIAL_CONEXANT_DIGICOLOR 1528 tristate "Conexant Digicolor CX92xxx USART serial port support" 1529 depends on OF 1530 select SERIAL_CORE 1531 help 1532 Support for the on-chip USART on Conexant Digicolor SoCs. 1533 1534config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1535 bool "Console on Conexant Digicolor serial port" 1536 depends on SERIAL_CONEXANT_DIGICOLOR=y 1537 select SERIAL_CORE_CONSOLE 1538 help 1539 If you have enabled the USART serial port on Conexant Digicolor 1540 SoCs, you can make it the console by answering Y to this option. 1541 1542config SERIAL_ST_ASC 1543 tristate "ST ASC serial port support" 1544 select SERIAL_CORE 1545 depends on ARM || COMPILE_TEST 1546 help 1547 This driver is for the on-chip Asychronous Serial Controller on 1548 STMicroelectronics STi SoCs. 1549 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1550 It support all industry standard baud rates. 1551 1552 If unsure, say N. 1553 1554config SERIAL_ST_ASC_CONSOLE 1555 bool "Support for console on ST ASC" 1556 depends on SERIAL_ST_ASC=y 1557 select SERIAL_CORE_CONSOLE 1558 1559config SERIAL_MEN_Z135 1560 tristate "MEN 16z135 Support" 1561 select SERIAL_CORE 1562 depends on MCB 1563 help 1564 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1565 on a MCB carrier. 1566 1567 This driver can also be build as a module. If so, the module will be called 1568 men_z135_uart.ko 1569 1570config SERIAL_SPRD 1571 tristate "Support for Spreadtrum serial" 1572 depends on ARCH_SPRD 1573 select SERIAL_CORE 1574 help 1575 This enables the driver for the Spreadtrum's serial. 1576 1577config SERIAL_SPRD_CONSOLE 1578 bool "Spreadtrum UART console support" 1579 depends on SERIAL_SPRD=y 1580 select SERIAL_CORE_CONSOLE 1581 select SERIAL_EARLYCON 1582 help 1583 Support for early debug console using Spreadtrum's serial. This enables 1584 the console before standard serial driver is probed. This is enabled 1585 with "earlycon" on the kernel command line. The console is 1586 enabled when early_param is processed. 1587 1588config SERIAL_STM32 1589 tristate "STMicroelectronics STM32 serial port support" 1590 select SERIAL_CORE 1591 depends on ARM || COMPILE_TEST 1592 help 1593 This driver is for the on-chip Serial Controller on 1594 STMicroelectronics STM32 MCUs. 1595 USART supports Rx & Tx functionality. 1596 It support all industry standard baud rates. 1597 1598 If unsure, say N. 1599 1600config SERIAL_STM32_CONSOLE 1601 bool "Support for console on STM32" 1602 depends on SERIAL_STM32=y 1603 select SERIAL_CORE_CONSOLE 1604 1605config SERIAL_MVEBU_UART 1606 bool "Marvell EBU serial port support" 1607 select SERIAL_CORE 1608 help 1609 This driver is for Marvell EBU SoC's UART. If you have a machine 1610 based on the Armada-3700 SoC and wish to use the on-board serial 1611 port, 1612 say 'Y' here. 1613 Otherwise, say 'N'. 1614 1615config SERIAL_MVEBU_CONSOLE 1616 bool "Console on Marvell EBU serial port" 1617 depends on SERIAL_MVEBU_UART 1618 select SERIAL_CORE_CONSOLE 1619 select SERIAL_EARLYCON 1620 default y 1621 help 1622 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1623 (the system console is the device which receives all kernel messages 1624 and warnings and which allows logins in single user mode) 1625 Otherwise, say 'N'. 1626 1627endmenu 1628 1629config SERIAL_MCTRL_GPIO 1630 tristate 1631 1632endif # TTY 1633