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_PIC32 904 tristate "Microchip PIC32 serial support" 905 depends on MACH_PIC32 906 select SERIAL_CORE 907 help 908 If you have a PIC32, this driver supports the serial ports. 909 910 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 911 to use a serial port as a console, this must be included in kernel and 912 not as a module. 913 914config SERIAL_PIC32_CONSOLE 915 bool "PIC32 serial console support" 916 depends on SERIAL_PIC32 917 select SERIAL_CORE_CONSOLE 918 help 919 If you have a PIC32, this driver supports the putting a console on one 920 of the serial ports. 921 922 Say Y to use the PIC32 console, otherwise say N. 923 924config SERIAL_MPC52xx 925 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 926 depends on PPC_MPC52xx || PPC_MPC512x 927 select SERIAL_CORE 928 help 929 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 930 like to use them, you must answer Y or M to this option. Note that 931 for use as console, it must be included in kernel and not as a 932 module. 933 934config SERIAL_MPC52xx_CONSOLE 935 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 936 depends on SERIAL_MPC52xx=y 937 select SERIAL_CORE_CONSOLE 938 help 939 Select this options if you'd like to use one of the PSC serial port 940 of the Freescale MPC52xx family as a console. 941 942config SERIAL_MPC52xx_CONSOLE_BAUD 943 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 944 depends on SERIAL_MPC52xx_CONSOLE=y 945 default "9600" 946 help 947 Select the MPC52xx console baud rate. 948 This value is only used if the bootloader doesn't pass in the 949 console baudrate 950 951config SERIAL_ICOM 952 tristate "IBM Multiport Serial Adapter" 953 depends on PCI && PPC_PSERIES 954 select SERIAL_CORE 955 select FW_LOADER 956 help 957 This driver is for a family of multiport serial adapters 958 including 2 port RVX, 2 port internal modem, 4 port internal 959 modem and a split 1 port RVX and 1 port internal modem. 960 961 This driver can also be built as a module. If so, the module 962 will be called icom. 963 964config SERIAL_M32R_SIO 965 bool "M32R SIO I/F" 966 depends on M32R 967 default y 968 select SERIAL_CORE 969 help 970 Say Y here if you want to use the M32R serial controller. 971 972config SERIAL_M32R_SIO_CONSOLE 973 bool "use SIO console" 974 depends on SERIAL_M32R_SIO=y 975 select SERIAL_CORE_CONSOLE 976 help 977 Say Y here if you want to support a serial console. 978 979 If you use an M3T-M32700UT or an OPSPUT platform, 980 please say also y for SERIAL_M32R_PLDSIO. 981 982config SERIAL_M32R_PLDSIO 983 bool "M32R SIO I/F on a PLD" 984 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 985 default n 986 help 987 Say Y here if you want to use the M32R serial controller 988 on a PLD (Programmable Logic Device). 989 990 If you use an M3T-M32700UT or an OPSPUT platform, 991 please say Y. 992 993config SERIAL_TXX9 994 bool "TMPTX39XX/49XX SIO support" 995 depends on HAS_TXX9_SERIAL 996 select SERIAL_CORE 997 default y 998 999config HAS_TXX9_SERIAL 1000 bool 1001 1002config SERIAL_TXX9_NR_UARTS 1003 int "Maximum number of TMPTX39XX/49XX SIO ports" 1004 depends on SERIAL_TXX9 1005 default "6" 1006 1007config SERIAL_TXX9_CONSOLE 1008 bool "TMPTX39XX/49XX SIO Console support" 1009 depends on SERIAL_TXX9=y 1010 select SERIAL_CORE_CONSOLE 1011 1012config SERIAL_TXX9_STDSERIAL 1013 bool "TX39XX/49XX SIO act as standard serial" 1014 depends on !SERIAL_8250 && SERIAL_TXX9 1015 1016config SERIAL_VR41XX 1017 tristate "NEC VR4100 series Serial Interface Unit support" 1018 depends on CPU_VR41XX 1019 select SERIAL_CORE 1020 help 1021 If you have a NEC VR4100 series processor and you want to use 1022 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1023 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1024 1025config SERIAL_VR41XX_CONSOLE 1026 bool "Enable NEC VR4100 series Serial Interface Unit console" 1027 depends on SERIAL_VR41XX=y 1028 select SERIAL_CORE_CONSOLE 1029 help 1030 If you have a NEC VR4100 series processor and you want to use 1031 a console on a serial port, say Y. Otherwise, say N. 1032 1033config SERIAL_JSM 1034 tristate "Digi International NEO and Classic PCI Support" 1035 depends on PCI 1036 select SERIAL_CORE 1037 help 1038 This is a driver for Digi International's Neo and Classic series 1039 of cards which provide multiple serial ports. You would need 1040 something like this to connect more than two modems to your Linux 1041 box, for instance in order to become a dial-in server. This driver 1042 supports PCI boards only. 1043 1044 If you have a card like this, say Y here, otherwise say N. 1045 1046 To compile this driver as a module, choose M here: the 1047 module will be called jsm. 1048 1049config SERIAL_SGI_IOC4 1050 tristate "SGI IOC4 controller serial support" 1051 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1052 select SERIAL_CORE 1053 help 1054 If you have an SGI Altix with an IOC4 based Base IO card 1055 and wish to use the serial ports on this card, say Y. 1056 Otherwise, say N. 1057 1058config SERIAL_SGI_IOC3 1059 tristate "SGI Altix IOC3 serial support" 1060 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1061 select SERIAL_CORE 1062 help 1063 If you have an SGI Altix with an IOC3 serial card, 1064 say Y or M. Otherwise, say N. 1065 1066config SERIAL_MSM 1067 tristate "MSM on-chip serial port support" 1068 depends on ARCH_QCOM 1069 select SERIAL_CORE 1070 1071config SERIAL_MSM_CONSOLE 1072 bool "MSM serial console support" 1073 depends on SERIAL_MSM=y 1074 select SERIAL_CORE_CONSOLE 1075 select SERIAL_EARLYCON 1076 1077config SERIAL_VT8500 1078 bool "VIA VT8500 on-chip serial port support" 1079 depends on ARCH_VT8500 1080 select SERIAL_CORE 1081 1082config SERIAL_VT8500_CONSOLE 1083 bool "VIA VT8500 serial console support" 1084 depends on SERIAL_VT8500=y 1085 select SERIAL_CORE_CONSOLE 1086 1087config SERIAL_ETRAXFS 1088 bool "ETRAX FS serial port support" 1089 depends on ETRAX_ARCH_V32 && OF 1090 select SERIAL_CORE 1091 select SERIAL_MCTRL_GPIO if GPIOLIB 1092 1093config SERIAL_ETRAXFS_CONSOLE 1094 bool "ETRAX FS serial console support" 1095 depends on SERIAL_ETRAXFS 1096 select SERIAL_CORE_CONSOLE 1097 1098config SERIAL_NETX 1099 tristate "NetX serial port support" 1100 depends on ARCH_NETX 1101 select SERIAL_CORE 1102 help 1103 If you have a machine based on a Hilscher NetX SoC you 1104 can enable its onboard serial port by enabling this option. 1105 1106 To compile this driver as a module, choose M here: the 1107 module will be called netx-serial. 1108 1109config SERIAL_NETX_CONSOLE 1110 bool "Console on NetX serial port" 1111 depends on SERIAL_NETX=y 1112 select SERIAL_CORE_CONSOLE 1113 help 1114 If you have enabled the serial port on the Hilscher NetX SoC 1115 you can make it the console by answering Y to this option. 1116 1117config SERIAL_OMAP 1118 tristate "OMAP serial port support" 1119 depends on ARCH_OMAP2PLUS 1120 select SERIAL_CORE 1121 help 1122 If you have a machine based on an Texas Instruments OMAP CPU you 1123 can enable its onboard serial ports by enabling this option. 1124 1125 By enabling this option you take advantage of dma feature available 1126 with the omap-serial driver. DMA support can be enabled from platform 1127 data. 1128 1129config SERIAL_OMAP_CONSOLE 1130 bool "Console on OMAP serial port" 1131 depends on SERIAL_OMAP=y 1132 select SERIAL_CORE_CONSOLE 1133 help 1134 Select this option if you would like to use omap serial port as 1135 console. 1136 1137 Even if you say Y here, the currently visible virtual console 1138 (/dev/tty0) will still be used as the system console by default, but 1139 you can alter that using a kernel command line option such as 1140 "console=ttyOx". (Try "man bootparam" or see the documentation of 1141 your boot loader about how to pass options to the kernel at 1142 boot time.) 1143 1144config SERIAL_LANTIQ 1145 bool "Lantiq serial driver" 1146 depends on LANTIQ 1147 select SERIAL_CORE 1148 select SERIAL_CORE_CONSOLE 1149 help 1150 Support for console and UART on Lantiq SoCs. 1151 1152config SERIAL_QE 1153 tristate "Freescale QUICC Engine serial port support" 1154 depends on QUICC_ENGINE 1155 select SERIAL_CORE 1156 select FW_LOADER 1157 default n 1158 help 1159 This driver supports the QE serial ports on Freescale embedded 1160 PowerPC that contain a QUICC Engine. 1161 1162config SERIAL_SCCNXP 1163 tristate "SCCNXP serial port support" 1164 select SERIAL_CORE 1165 help 1166 This selects support for an advanced UART from NXP (Philips). 1167 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1168 SC28L202, SCC68681 and SCC68692. 1169 1170config SERIAL_SCCNXP_CONSOLE 1171 bool "Console on SCCNXP serial port" 1172 depends on SERIAL_SCCNXP=y 1173 select SERIAL_CORE_CONSOLE 1174 help 1175 Support for console on SCCNXP serial ports. 1176 1177config SERIAL_SC16IS7XX_CORE 1178 tristate 1179 1180config SERIAL_SC16IS7XX 1181 tristate "SC16IS7xx serial support" 1182 select SERIAL_CORE 1183 depends on (SPI_MASTER && !I2C) || I2C 1184 help 1185 This selects support for SC16IS7xx serial ports. 1186 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1187 SC16IS760 and SC16IS762. Select supported buses using options below. 1188 1189config SERIAL_SC16IS7XX_I2C 1190 bool "SC16IS7xx for I2C interface" 1191 depends on SERIAL_SC16IS7XX 1192 depends on I2C 1193 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1194 select REGMAP_I2C if I2C 1195 default y 1196 help 1197 Enable SC16IS7xx driver on I2C bus, 1198 If required say y, and say n to i2c if not required, 1199 Enabled by default to support oldconfig. 1200 You must select at least one bus for the driver to be built. 1201 1202config SERIAL_SC16IS7XX_SPI 1203 bool "SC16IS7xx for spi interface" 1204 depends on SERIAL_SC16IS7XX 1205 depends on SPI_MASTER 1206 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1207 select REGMAP_SPI if SPI_MASTER 1208 help 1209 Enable SC16IS7xx driver on SPI bus, 1210 If required say y, and say n to spi if not required, 1211 This is additional support to exsisting driver. 1212 You must select at least one bus for the driver to be built. 1213 1214config SERIAL_BFIN_SPORT 1215 tristate "Blackfin SPORT emulate UART" 1216 depends on BLACKFIN 1217 select SERIAL_CORE 1218 help 1219 Enable SPORT emulate UART on Blackfin series. 1220 1221 To compile this driver as a module, choose M here: the 1222 module will be called bfin_sport_uart. 1223 1224config SERIAL_BFIN_SPORT_CONSOLE 1225 bool "Console on Blackfin sport emulated uart" 1226 depends on SERIAL_BFIN_SPORT=y 1227 select SERIAL_CORE_CONSOLE 1228 1229config SERIAL_BFIN_SPORT0_UART 1230 bool "Enable UART over SPORT0" 1231 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1232 help 1233 Enable UART over SPORT0 1234 1235config SERIAL_BFIN_SPORT0_UART_CTSRTS 1236 bool "Enable UART over SPORT0 hardware flow control" 1237 depends on SERIAL_BFIN_SPORT0_UART 1238 help 1239 Enable hardware flow control in the driver. 1240 1241config SERIAL_BFIN_SPORT1_UART 1242 bool "Enable UART over SPORT1" 1243 depends on SERIAL_BFIN_SPORT 1244 help 1245 Enable UART over SPORT1 1246 1247config SERIAL_BFIN_SPORT1_UART_CTSRTS 1248 bool "Enable UART over SPORT1 hardware flow control" 1249 depends on SERIAL_BFIN_SPORT1_UART 1250 help 1251 Enable hardware flow control in the driver. 1252 1253config SERIAL_BFIN_SPORT2_UART 1254 bool "Enable UART over SPORT2" 1255 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1256 help 1257 Enable UART over SPORT2 1258 1259config SERIAL_BFIN_SPORT2_UART_CTSRTS 1260 bool "Enable UART over SPORT2 hardware flow control" 1261 depends on SERIAL_BFIN_SPORT2_UART 1262 help 1263 Enable hardware flow control in the driver. 1264 1265config SERIAL_BFIN_SPORT3_UART 1266 bool "Enable UART over SPORT3" 1267 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1268 help 1269 Enable UART over SPORT3 1270 1271config SERIAL_BFIN_SPORT3_UART_CTSRTS 1272 bool "Enable UART over SPORT3 hardware flow control" 1273 depends on SERIAL_BFIN_SPORT3_UART 1274 help 1275 Enable hardware flow control in the driver. 1276 1277config SERIAL_TIMBERDALE 1278 tristate "Support for timberdale UART" 1279 select SERIAL_CORE 1280 depends on X86_32 || COMPILE_TEST 1281 ---help--- 1282 Add support for UART controller on timberdale. 1283 1284config SERIAL_BCM63XX 1285 tristate "Broadcom BCM63xx/BCM33xx UART support" 1286 select SERIAL_CORE 1287 depends on MIPS || ARM || COMPILE_TEST 1288 help 1289 This enables the driver for the onchip UART core found on 1290 the following chipsets: 1291 1292 BCM33xx (cable modem) 1293 BCM63xx/BCM63xxx (DSL) 1294 BCM68xx (PON) 1295 BCM7xxx (STB) - DOCSIS console 1296 1297config SERIAL_BCM63XX_CONSOLE 1298 bool "Console on BCM63xx serial port" 1299 depends on SERIAL_BCM63XX=y 1300 select SERIAL_CORE_CONSOLE 1301 select SERIAL_EARLYCON 1302 help 1303 If you have enabled the serial port on the BCM63xx CPU 1304 you can make it the console by answering Y to this option. 1305 1306config SERIAL_GRLIB_GAISLER_APBUART 1307 tristate "GRLIB APBUART serial support" 1308 depends on OF && SPARC 1309 select SERIAL_CORE 1310 ---help--- 1311 Add support for the GRLIB APBUART serial port. 1312 1313config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1314 bool "Console on GRLIB APBUART serial port" 1315 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1316 select SERIAL_CORE_CONSOLE 1317 help 1318 Support for running a console on the GRLIB APBUART 1319 1320config SERIAL_ALTERA_JTAGUART 1321 tristate "Altera JTAG UART support" 1322 select SERIAL_CORE 1323 help 1324 This driver supports the Altera JTAG UART port. 1325 1326config SERIAL_ALTERA_JTAGUART_CONSOLE 1327 bool "Altera JTAG UART console support" 1328 depends on SERIAL_ALTERA_JTAGUART=y 1329 select SERIAL_CORE_CONSOLE 1330 help 1331 Enable a Altera JTAG UART port to be the system console. 1332 1333config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1334 bool "Bypass output when no connection" 1335 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1336 select SERIAL_CORE_CONSOLE 1337 help 1338 Bypass console output and keep going even if there is no 1339 JTAG terminal connection with the host. 1340 1341config SERIAL_ALTERA_UART 1342 tristate "Altera UART support" 1343 select SERIAL_CORE 1344 help 1345 This driver supports the Altera softcore UART port. 1346 1347config SERIAL_ALTERA_UART_MAXPORTS 1348 int "Maximum number of Altera UART ports" 1349 depends on SERIAL_ALTERA_UART 1350 default 4 1351 help 1352 This setting lets you define the maximum number of the Altera 1353 UART ports. The usual default varies from board to board, and 1354 this setting is a way of catering for that. 1355 1356config SERIAL_ALTERA_UART_BAUDRATE 1357 int "Default baudrate for Altera UART ports" 1358 depends on SERIAL_ALTERA_UART 1359 default 115200 1360 help 1361 This setting lets you define what the default baudrate is for the 1362 Altera UART ports. The usual default varies from board to board, 1363 and this setting is a way of catering for that. 1364 1365config SERIAL_ALTERA_UART_CONSOLE 1366 bool "Altera UART console support" 1367 depends on SERIAL_ALTERA_UART=y 1368 select SERIAL_CORE_CONSOLE 1369 help 1370 Enable a Altera UART port to be the system console. 1371 1372config SERIAL_IFX6X60 1373 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1374 depends on GPIOLIB || COMPILE_TEST 1375 depends on SPI && HAS_DMA 1376 help 1377 Support for the IFX6x60 modem devices on Intel MID platforms. 1378 1379config SERIAL_PCH_UART 1380 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1381 depends on PCI && (X86_32 || COMPILE_TEST) 1382 select SERIAL_CORE 1383 help 1384 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1385 which is an IOH(Input/Output Hub) for x86 embedded processor. 1386 Enabling PCH_DMA, this PCH UART works as DMA mode. 1387 1388 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1389 Output Hub), ML7213, ML7223 and ML7831. 1390 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1391 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1392 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1393 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1394 1395config SERIAL_PCH_UART_CONSOLE 1396 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1397 depends on SERIAL_PCH_UART=y 1398 select SERIAL_CORE_CONSOLE 1399 help 1400 Say Y here if you wish to use the PCH UART as the system console 1401 (the system console is the device which receives all kernel messages and 1402 warnings and which allows logins in single user mode). 1403 1404config SERIAL_MXS_AUART 1405 tristate "MXS AUART support" 1406 depends on HAS_DMA 1407 depends on ARCH_MXS || COMPILE_TEST 1408 select SERIAL_CORE 1409 select SERIAL_MCTRL_GPIO if GPIOLIB 1410 help 1411 This driver supports the MXS Application UART (AUART) port. 1412 1413config SERIAL_MXS_AUART_CONSOLE 1414 bool "MXS AUART console support" 1415 depends on SERIAL_MXS_AUART=y 1416 select SERIAL_CORE_CONSOLE 1417 help 1418 Enable a MXS AUART port to be the system console. 1419 1420config SERIAL_XILINX_PS_UART 1421 tristate "Cadence (Xilinx Zynq) UART support" 1422 depends on OF 1423 select SERIAL_CORE 1424 help 1425 This driver supports the Cadence UART. It is found e.g. in Xilinx 1426 Zynq. 1427 1428config SERIAL_XILINX_PS_UART_CONSOLE 1429 bool "Cadence UART console support" 1430 depends on SERIAL_XILINX_PS_UART=y 1431 select SERIAL_CORE_CONSOLE 1432 select SERIAL_EARLYCON 1433 help 1434 Enable a Cadence UART port to be the system console. 1435 1436config SERIAL_AR933X 1437 tristate "AR933X serial port support" 1438 depends on HAVE_CLK && SOC_AR933X 1439 select SERIAL_CORE 1440 help 1441 If you have an Atheros AR933X SOC based board and want to use the 1442 built-in UART of the SoC, say Y to this option. 1443 1444 To compile this driver as a module, choose M here: the 1445 module will be called ar933x_uart. 1446 1447config SERIAL_AR933X_CONSOLE 1448 bool "Console on AR933X serial port" 1449 depends on SERIAL_AR933X=y 1450 select SERIAL_CORE_CONSOLE 1451 help 1452 Enable a built-in UART port of the AR933X to be the system console. 1453 1454config SERIAL_AR933X_NR_UARTS 1455 int "Maximum number of AR933X serial ports" 1456 depends on SERIAL_AR933X 1457 default "2" 1458 help 1459 Set this to the number of serial ports you want the driver 1460 to support. 1461 1462config SERIAL_EFM32_UART 1463 tristate "EFM32 UART/USART port" 1464 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1465 select SERIAL_CORE 1466 help 1467 This driver support the USART and UART ports on 1468 Energy Micro's efm32 SoCs. 1469 1470config SERIAL_EFM32_UART_CONSOLE 1471 bool "EFM32 UART/USART console support" 1472 depends on SERIAL_EFM32_UART=y 1473 select SERIAL_CORE_CONSOLE 1474 1475config SERIAL_TILEGX 1476 tristate "TILE-Gx on-chip serial port support" 1477 depends on TILEGX 1478 select TILE_GXIO_UART 1479 select SERIAL_CORE 1480 ---help--- 1481 This device provides access to the on-chip UARTs on the TILE-Gx 1482 processor. 1483 1484config SERIAL_ARC 1485 tristate "ARC UART driver support" 1486 select SERIAL_CORE 1487 help 1488 Driver for on-chip UART for ARC(Synopsys) for the legacy 1489 FPGA Boards (ML50x/ARCAngel4) 1490 1491config SERIAL_ARC_CONSOLE 1492 bool "Console on ARC UART" 1493 depends on SERIAL_ARC=y 1494 select SERIAL_CORE_CONSOLE 1495 select SERIAL_EARLYCON 1496 help 1497 Enable system Console on ARC UART 1498 1499config SERIAL_ARC_NR_PORTS 1500 int "Number of ARC UART ports" 1501 depends on SERIAL_ARC 1502 range 1 3 1503 default "1" 1504 help 1505 Set this to the number of serial ports you want the driver 1506 to support. 1507 1508config SERIAL_RP2 1509 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1510 depends on PCI 1511 select SERIAL_CORE 1512 help 1513 This driver supports the Comtrol RocketPort EXPRESS and 1514 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1515 These adapters use a "RocketPort 2" ASIC that is not compatible 1516 with the original RocketPort driver (CONFIG_ROCKETPORT). 1517 1518 To compile this driver as a module, choose M here: the 1519 module will be called rp2. 1520 1521 If you want to compile this driver into the kernel, say Y here. If 1522 you don't have a suitable RocketPort card installed, say N. 1523 1524config SERIAL_RP2_NR_UARTS 1525 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1526 depends on SERIAL_RP2 1527 default "32" 1528 help 1529 If multiple cards are present, the default limit of 32 ports may 1530 need to be increased. 1531 1532config SERIAL_FSL_LPUART 1533 tristate "Freescale lpuart serial port support" 1534 depends on HAS_DMA 1535 select SERIAL_CORE 1536 help 1537 Support for the on-chip lpuart on some Freescale SOCs. 1538 1539config SERIAL_FSL_LPUART_CONSOLE 1540 bool "Console on Freescale lpuart serial port" 1541 depends on SERIAL_FSL_LPUART=y 1542 select SERIAL_CORE_CONSOLE 1543 select SERIAL_EARLYCON 1544 help 1545 If you have enabled the lpuart serial port on the Freescale SoCs, 1546 you can make it the console by answering Y to this option. 1547 1548config SERIAL_CONEXANT_DIGICOLOR 1549 tristate "Conexant Digicolor CX92xxx USART serial port support" 1550 depends on OF 1551 select SERIAL_CORE 1552 help 1553 Support for the on-chip USART on Conexant Digicolor SoCs. 1554 1555config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1556 bool "Console on Conexant Digicolor serial port" 1557 depends on SERIAL_CONEXANT_DIGICOLOR=y 1558 select SERIAL_CORE_CONSOLE 1559 help 1560 If you have enabled the USART serial port on Conexant Digicolor 1561 SoCs, you can make it the console by answering Y to this option. 1562 1563config SERIAL_ST_ASC 1564 tristate "ST ASC serial port support" 1565 select SERIAL_CORE 1566 depends on ARM || COMPILE_TEST 1567 help 1568 This driver is for the on-chip Asychronous Serial Controller on 1569 STMicroelectronics STi SoCs. 1570 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1571 It support all industry standard baud rates. 1572 1573 If unsure, say N. 1574 1575config SERIAL_ST_ASC_CONSOLE 1576 bool "Support for console on ST ASC" 1577 depends on SERIAL_ST_ASC=y 1578 select SERIAL_CORE_CONSOLE 1579 1580config SERIAL_MEN_Z135 1581 tristate "MEN 16z135 Support" 1582 select SERIAL_CORE 1583 depends on MCB 1584 help 1585 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1586 on a MCB carrier. 1587 1588 This driver can also be build as a module. If so, the module will be called 1589 men_z135_uart.ko 1590 1591config SERIAL_SPRD 1592 tristate "Support for Spreadtrum serial" 1593 depends on ARCH_SPRD 1594 select SERIAL_CORE 1595 help 1596 This enables the driver for the Spreadtrum's serial. 1597 1598config SERIAL_SPRD_CONSOLE 1599 bool "Spreadtrum UART console support" 1600 depends on SERIAL_SPRD=y 1601 select SERIAL_CORE_CONSOLE 1602 select SERIAL_EARLYCON 1603 help 1604 Support for early debug console using Spreadtrum's serial. This enables 1605 the console before standard serial driver is probed. This is enabled 1606 with "earlycon" on the kernel command line. The console is 1607 enabled when early_param is processed. 1608 1609config SERIAL_STM32 1610 tristate "STMicroelectronics STM32 serial port support" 1611 select SERIAL_CORE 1612 depends on ARM || COMPILE_TEST 1613 help 1614 This driver is for the on-chip Serial Controller on 1615 STMicroelectronics STM32 MCUs. 1616 USART supports Rx & Tx functionality. 1617 It support all industry standard baud rates. 1618 1619 If unsure, say N. 1620 1621config SERIAL_STM32_CONSOLE 1622 bool "Support for console on STM32" 1623 depends on SERIAL_STM32=y 1624 select SERIAL_CORE_CONSOLE 1625 1626config SERIAL_MVEBU_UART 1627 bool "Marvell EBU serial port support" 1628 select SERIAL_CORE 1629 help 1630 This driver is for Marvell EBU SoC's UART. If you have a machine 1631 based on the Armada-3700 SoC and wish to use the on-board serial 1632 port, 1633 say 'Y' here. 1634 Otherwise, say 'N'. 1635 1636config SERIAL_MVEBU_CONSOLE 1637 bool "Console on Marvell EBU serial port" 1638 depends on SERIAL_MVEBU_UART 1639 select SERIAL_CORE_CONSOLE 1640 select SERIAL_EARLYCON 1641 default y 1642 help 1643 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1644 (the system console is the device which receives all kernel messages 1645 and warnings and which allows logins in single user mode) 1646 Otherwise, say 'N'. 1647 1648endmenu 1649 1650config SERIAL_MCTRL_GPIO 1651 tristate 1652 1653endif # TTY 1654