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 select SERIAL_EARLYCON 217 help 218 Say Y here if you wish to use a Amlogic MesonX UART as the 219 system console (the system console is the device which 220 receives all kernel messages and warnings and which allows 221 logins in single user mode) as /dev/ttyAMLx. 222 223config SERIAL_CLPS711X 224 tristate "CLPS711X serial port support" 225 depends on ARCH_CLPS711X || COMPILE_TEST 226 select SERIAL_CORE 227 select SERIAL_MCTRL_GPIO if GPIOLIB 228 help 229 This enables the driver for the on-chip UARTs of the Cirrus 230 Logic EP711x/EP721x/EP731x processors. 231 232config SERIAL_CLPS711X_CONSOLE 233 bool "Support for console on CLPS711X serial port" 234 depends on SERIAL_CLPS711X=y 235 select SERIAL_CORE_CONSOLE 236 help 237 Even if you say Y here, the currently visible virtual console 238 (/dev/tty0) will still be used as the system console by default, but 239 you can alter that using a kernel command line option such as 240 "console=ttyCL1". 241 242config SERIAL_SAMSUNG 243 tristate "Samsung SoC serial support" 244 depends on PLAT_SAMSUNG || ARCH_EXYNOS 245 select SERIAL_CORE 246 help 247 Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, 248 providing /dev/ttySAC0, 1 and 2 (note, some machines may not 249 provide all of these ports, depending on how the serial port 250 pins are configured. 251 252config SERIAL_SAMSUNG_UARTS_4 253 bool 254 depends on SERIAL_SAMSUNG 255 default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442) 256 help 257 Internal node for the common case of 4 Samsung compatible UARTs 258 259config SERIAL_SAMSUNG_UARTS 260 int 261 depends on SERIAL_SAMSUNG 262 default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416 263 default 3 264 help 265 Select the number of available UART ports for the Samsung S3C 266 serial driver 267 268config SERIAL_SAMSUNG_DEBUG 269 bool "Samsung SoC serial debug" 270 depends on SERIAL_SAMSUNG && DEBUG_LL 271 help 272 Add support for debugging the serial driver. Since this is 273 generally being used as a console, we use our own output 274 routines that go via the low-level debug printascii() 275 function. 276 277config SERIAL_SAMSUNG_CONSOLE 278 bool "Support for console on Samsung SoC serial port" 279 depends on SERIAL_SAMSUNG=y 280 select SERIAL_CORE_CONSOLE 281 select SERIAL_EARLYCON 282 help 283 Allow selection of the S3C24XX on-board serial ports for use as 284 an virtual console. 285 286 Even if you say Y here, the currently visible virtual console 287 (/dev/tty0) will still be used as the system console by default, but 288 you can alter that using a kernel command line option such as 289 "console=ttySACx". (Try "man bootparam" or see the documentation of 290 your boot loader about how to pass options to the kernel at 291 boot time.) 292 293config SERIAL_SIRFSOC 294 tristate "SiRF SoC Platform Serial port support" 295 depends on ARCH_SIRF 296 select SERIAL_CORE 297 help 298 Support for the on-chip UART on the CSR SiRFprimaII series, 299 providing /dev/ttySiRF0, 1 and 2 (note, some machines may not 300 provide all of these ports, depending on how the serial port 301 pins are configured). 302 303config SERIAL_SIRFSOC_CONSOLE 304 bool "Support for console on SiRF SoC serial port" 305 depends on SERIAL_SIRFSOC=y 306 select SERIAL_CORE_CONSOLE 307 help 308 Even if you say Y here, the currently visible virtual console 309 (/dev/tty0) will still be used as the system console by default, but 310 you can alter that using a kernel command line option such as 311 "console=ttySiRFx". (Try "man bootparam" or see the documentation of 312 your boot loader about how to pass options to the kernel at 313 boot time.) 314 315config SERIAL_TEGRA 316 tristate "NVIDIA Tegra20/30 SoC serial controller" 317 depends on ARCH_TEGRA && TEGRA20_APB_DMA 318 select SERIAL_CORE 319 help 320 Support for the on-chip UARTs on the NVIDIA Tegra series SOCs 321 providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not 322 provide all of these ports, depending on how the serial port 323 are enabled). This driver uses the APB DMA to achieve higher baudrate 324 and better performance. 325 326config SERIAL_MAX3100 327 tristate "MAX3100 support" 328 depends on SPI 329 select SERIAL_CORE 330 help 331 MAX3100 chip support 332 333config SERIAL_MAX310X 334 tristate "MAX310X support" 335 depends on SPI_MASTER 336 select SERIAL_CORE 337 select REGMAP_SPI if SPI_MASTER 338 default n 339 help 340 This selects support for an advanced UART from Maxim (Dallas). 341 Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830. 342 Each IC contains 128 words each of receive and transmit FIFO 343 that can be controlled through I2C or high-speed SPI. 344 345 Say Y here if you want to support this ICs. 346 347config SERIAL_DZ 348 bool "DECstation DZ serial driver" 349 depends on MACH_DECSTATION && 32BIT 350 select SERIAL_CORE 351 default y 352 ---help--- 353 DZ11-family serial controllers for DECstations and VAXstations, 354 including the DC7085, M7814, and M7819. 355 356config SERIAL_DZ_CONSOLE 357 bool "Support console on DECstation DZ serial driver" 358 depends on SERIAL_DZ=y 359 select SERIAL_CORE_CONSOLE 360 default y 361 ---help--- 362 If you say Y here, it will be possible to use a serial port as the 363 system console (the system console is the device which receives all 364 kernel messages and warnings and which allows logins in single user 365 mode). 366 367 Note that the firmware uses ttyS3 as the serial console on 368 DECstations that use this driver. 369 370 If unsure, say Y. 371 372config SERIAL_ZS 373 tristate "DECstation Z85C30 serial support" 374 depends on MACH_DECSTATION 375 select SERIAL_CORE 376 default y 377 ---help--- 378 Support for the Zilog 85C350 serial communications controller used 379 for serial ports in newer DECstation systems. These include the 380 DECsystem 5900 and all models of the DECstation and DECsystem 5000 381 systems except from model 200. 382 383 If unsure, say Y. To compile this driver as a module, choose M here: 384 the module will be called zs. 385 386config SERIAL_ZS_CONSOLE 387 bool "Support for console on a DECstation Z85C30 serial port" 388 depends on SERIAL_ZS=y 389 select SERIAL_CORE_CONSOLE 390 default y 391 ---help--- 392 If you say Y here, it will be possible to use a serial port as the 393 system console (the system console is the device which receives all 394 kernel messages and warnings and which allows logins in single user 395 mode). 396 397 Note that the firmware uses ttyS1 as the serial console on the 398 Maxine and ttyS3 on the others using this driver. 399 400 If unsure, say Y. 401 402config SERIAL_21285 403 tristate "DC21285 serial port support" 404 depends on FOOTBRIDGE 405 select SERIAL_CORE 406 help 407 If you have a machine based on a 21285 (Footbridge) StrongARM(R)/ 408 PCI bridge you can enable its onboard serial port by enabling this 409 option. 410 411config SERIAL_21285_CONSOLE 412 bool "Console on DC21285 serial port" 413 depends on SERIAL_21285=y 414 select SERIAL_CORE_CONSOLE 415 help 416 If you have enabled the serial port on the 21285 footbridge you can 417 make it the console by answering Y to this option. 418 419 Even if you say Y here, the currently visible virtual console 420 (/dev/tty0) will still be used as the system console by default, but 421 you can alter that using a kernel command line option such as 422 "console=ttyFB". (Try "man bootparam" or see the documentation of 423 your boot loader (lilo or loadlin) about how to pass options to the 424 kernel at boot time.) 425 426config SERIAL_MPSC 427 bool "Marvell MPSC serial port support" 428 depends on MV64X60 429 select SERIAL_CORE 430 help 431 Say Y here if you want to use the Marvell MPSC serial controller. 432 433config SERIAL_MPSC_CONSOLE 434 bool "Support for console on Marvell MPSC serial port" 435 depends on SERIAL_MPSC 436 select SERIAL_CORE_CONSOLE 437 help 438 Say Y here if you want to support a serial console on a Marvell MPSC. 439 440config SERIAL_PXA 441 bool "PXA serial port support" 442 depends on ARCH_PXA || ARCH_MMP 443 select SERIAL_CORE 444 help 445 If you have a machine based on an Intel XScale PXA2xx CPU you 446 can enable its onboard serial ports by enabling this option. 447 448config SERIAL_PXA_CONSOLE 449 bool "Console on PXA serial port" 450 depends on SERIAL_PXA 451 select SERIAL_CORE_CONSOLE 452 help 453 If you have enabled the serial port on the Intel XScale PXA 454 CPU you can make it the console by answering Y to this option. 455 456 Even if you say Y here, the currently visible virtual console 457 (/dev/tty0) will still be used as the system console by default, but 458 you can alter that using a kernel command line option such as 459 "console=ttySA0". (Try "man bootparam" or see the documentation of 460 your boot loader (lilo or loadlin) about how to pass options to the 461 kernel at boot time.) 462 463config SERIAL_SA1100 464 bool "SA1100 serial port support" 465 depends on ARCH_SA1100 466 select SERIAL_CORE 467 help 468 If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you 469 can enable its onboard serial port by enabling this option. 470 Please read <file:Documentation/arm/SA1100/serial_UART> for further 471 info. 472 473config SERIAL_SA1100_CONSOLE 474 bool "Console on SA1100 serial port" 475 depends on SERIAL_SA1100 476 select SERIAL_CORE_CONSOLE 477 help 478 If you have enabled the serial port on the SA1100/SA1110 StrongARM 479 CPU you can make it the console by answering Y to this option. 480 481 Even if you say Y here, the currently visible virtual console 482 (/dev/tty0) will still be used as the system console by default, but 483 you can alter that using a kernel command line option such as 484 "console=ttySA0". (Try "man bootparam" or see the documentation of 485 your boot loader (lilo or loadlin) about how to pass options to the 486 kernel at boot time.) 487 488config SERIAL_BFIN 489 tristate "Blackfin serial port support" 490 depends on BLACKFIN 491 select SERIAL_CORE 492 select SERIAL_BFIN_UART0 if (BF531 || BF532 || BF533 || BF561) 493 help 494 Add support for the built-in UARTs on the Blackfin. 495 496 To compile this driver as a module, choose M here: the 497 module is named bfin_uart.ko. 498 499config SERIAL_BFIN_CONSOLE 500 bool "Console on Blackfin serial port" 501 depends on SERIAL_BFIN=y 502 select SERIAL_CORE_CONSOLE 503 504choice 505 prompt "UART Mode" 506 depends on SERIAL_BFIN 507 default SERIAL_BFIN_DMA 508 help 509 This driver supports the built-in serial ports of the Blackfin family 510 of CPUs 511 512config SERIAL_BFIN_DMA 513 bool "DMA mode" 514 depends on !DMA_UNCACHED_NONE && KGDB_SERIAL_CONSOLE=n 515 help 516 This driver works under DMA mode. If this option is selected, the 517 blackfin simple dma driver is also enabled. 518 519config SERIAL_BFIN_PIO 520 bool "PIO mode" 521 help 522 This driver works under PIO mode. 523 524endchoice 525 526config SERIAL_BFIN_UART0 527 bool "Enable UART0" 528 depends on SERIAL_BFIN 529 help 530 Enable UART0 531 532config BFIN_UART0_CTSRTS 533 bool "Enable UART0 hardware flow control" 534 depends on SERIAL_BFIN_UART0 535 help 536 Enable hardware flow control in the driver. 537 538config SERIAL_BFIN_UART1 539 bool "Enable UART1" 540 depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561) 541 help 542 Enable UART1 543 544config BFIN_UART1_CTSRTS 545 bool "Enable UART1 hardware flow control" 546 depends on SERIAL_BFIN_UART1 547 help 548 Enable hardware flow control in the driver. 549 550config SERIAL_BFIN_UART2 551 bool "Enable UART2" 552 depends on SERIAL_BFIN && (BF54x || BF538 || BF539) 553 help 554 Enable UART2 555 556config BFIN_UART2_CTSRTS 557 bool "Enable UART2 hardware flow control" 558 depends on SERIAL_BFIN_UART2 559 help 560 Enable hardware flow control in the driver. 561 562config SERIAL_BFIN_UART3 563 bool "Enable UART3" 564 depends on SERIAL_BFIN && (BF54x) 565 help 566 Enable UART3 567 568config BFIN_UART3_CTSRTS 569 bool "Enable UART3 hardware flow control" 570 depends on SERIAL_BFIN_UART3 571 help 572 Enable hardware flow control in the driver. 573 574config SERIAL_IMX 575 tristate "IMX serial port support" 576 depends on HAS_DMA 577 depends on ARCH_MXC || COMPILE_TEST 578 select SERIAL_CORE 579 select RATIONAL 580 select SERIAL_MCTRL_GPIO if GPIOLIB 581 help 582 If you have a machine based on a Motorola IMX CPU you 583 can enable its onboard serial port by enabling this option. 584 585config SERIAL_IMX_CONSOLE 586 bool "Console on IMX serial port" 587 depends on SERIAL_IMX=y 588 select SERIAL_CORE_CONSOLE 589 select SERIAL_EARLYCON if OF 590 help 591 If you have enabled the serial port on the Freescale IMX 592 CPU you can make it the console by answering Y to this option. 593 594 Even if you say Y here, the currently visible virtual console 595 (/dev/tty0) will still be used as the system console by default, but 596 you can alter that using a kernel command line option such as 597 "console=ttymxc0". (Try "man bootparam" or see the documentation of 598 your bootloader about how to pass options to the kernel at boot time.) 599 600config SERIAL_UARTLITE 601 tristate "Xilinx uartlite serial port support" 602 depends on HAS_IOMEM 603 select SERIAL_CORE 604 help 605 Say Y here if you want to use the Xilinx uartlite serial controller. 606 607 To compile this driver as a module, choose M here: the 608 module will be called uartlite. 609 610config SERIAL_UARTLITE_CONSOLE 611 bool "Support for console on Xilinx uartlite serial port" 612 depends on SERIAL_UARTLITE=y 613 select SERIAL_CORE_CONSOLE 614 select SERIAL_EARLYCON 615 help 616 Say Y here if you wish to use a Xilinx uartlite as the system 617 console (the system console is the device which receives all kernel 618 messages and warnings and which allows logins in single user mode). 619 620config SERIAL_SUNCORE 621 bool 622 depends on SPARC 623 select SERIAL_CORE 624 select SERIAL_CORE_CONSOLE 625 default y 626 627config SERIAL_SUNZILOG 628 tristate "Sun Zilog8530 serial support" 629 depends on SPARC 630 help 631 This driver supports the Zilog8530 serial ports found on many Sparc 632 systems. Say Y or M if you want to be able to these serial ports. 633 634config SERIAL_SUNZILOG_CONSOLE 635 bool "Console on Sun Zilog8530 serial port" 636 depends on SERIAL_SUNZILOG=y 637 help 638 If you would like to be able to use the Zilog8530 serial port 639 on your Sparc system as the console, you can do so by answering 640 Y to this option. 641 642config SERIAL_SUNSU 643 tristate "Sun SU serial support" 644 depends on SPARC && PCI 645 help 646 This driver supports the 8250 serial ports that run the keyboard and 647 mouse on (PCI) UltraSPARC systems. Say Y or M if you want to be able 648 to these serial ports. 649 650config SERIAL_SUNSU_CONSOLE 651 bool "Console on Sun SU serial port" 652 depends on SERIAL_SUNSU=y 653 help 654 If you would like to be able to use the SU serial port 655 on your Sparc system as the console, you can do so by answering 656 Y to this option. 657 658config SERIAL_MUX 659 tristate "Serial MUX support" 660 depends on GSC 661 select SERIAL_CORE 662 default y 663 ---help--- 664 Saying Y here will enable the hardware MUX serial driver for 665 the Nova, K class systems and D class with a 'remote control card'. 666 The hardware MUX is not 8250/16550 compatible therefore the 667 /dev/ttyB0 device is shared between the Serial MUX and the PDC 668 software console. The following steps need to be completed to use 669 the Serial MUX: 670 671 1. create the device entry (mknod /dev/ttyB0 c 11 0) 672 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 673 3. Add device ttyB0 to /etc/securetty (if you want to log on as 674 root on this console.) 675 4. Change the kernel command console parameter to: console=ttyB0 676 677config SERIAL_MUX_CONSOLE 678 bool "Support for console on serial MUX" 679 depends on SERIAL_MUX=y 680 select SERIAL_CORE_CONSOLE 681 default y 682 683config PDC_CONSOLE 684 bool "PDC software console support" 685 depends on PARISC && !SERIAL_MUX && VT 686 default n 687 help 688 Saying Y here will enable the software based PDC console to be 689 used as the system console. This is useful for machines in 690 which the hardware based console has not been written yet. The 691 following steps must be completed to use the PDC console: 692 693 1. create the device entry (mknod /dev/ttyB0 c 11 0) 694 2. Edit the /etc/inittab to start a getty listening on /dev/ttyB0 695 3. Add device ttyB0 to /etc/securetty (if you want to log on as 696 root on this console.) 697 4. Change the kernel command console parameter to: console=ttyB0 698 699config SERIAL_SUNSAB 700 tristate "Sun Siemens SAB82532 serial support" 701 depends on SPARC && PCI 702 help 703 This driver supports the Siemens SAB82532 DUSCC serial ports on newer 704 (PCI) UltraSPARC systems. Say Y or M if you want to be able to these 705 serial ports. 706 707config SERIAL_SUNSAB_CONSOLE 708 bool "Console on Sun Siemens SAB82532 serial port" 709 depends on SERIAL_SUNSAB=y 710 help 711 If you would like to be able to use the SAB82532 serial port 712 on your Sparc system as the console, you can do so by answering 713 Y to this option. 714 715config SERIAL_SUNHV 716 bool "Sun4v Hypervisor Console support" 717 depends on SPARC64 718 help 719 This driver supports the console device found on SUN4V Sparc 720 systems. Say Y if you want to be able to use this device. 721 722config SERIAL_IP22_ZILOG 723 tristate "SGI Zilog8530 serial support" 724 depends on SGI_HAS_ZILOG 725 select SERIAL_CORE 726 help 727 This driver supports the Zilog8530 serial ports found on SGI 728 systems. Say Y or M if you want to be able to these serial ports. 729 730config SERIAL_IP22_ZILOG_CONSOLE 731 bool "Console on SGI Zilog8530 serial port" 732 depends on SERIAL_IP22_ZILOG=y 733 select SERIAL_CORE_CONSOLE 734 735config SERIAL_SH_SCI 736 tristate "SuperH SCI(F) serial port support" 737 depends on SUPERH || ARCH_RENESAS || H8300 || COMPILE_TEST 738 select SERIAL_CORE 739 740config SERIAL_SH_SCI_NR_UARTS 741 int "Maximum number of SCI(F) serial ports" 742 depends on SERIAL_SH_SCI 743 default "2" 744 745config SERIAL_SH_SCI_CONSOLE 746 bool "Support for console on SuperH SCI(F)" 747 depends on SERIAL_SH_SCI=y 748 select SERIAL_CORE_CONSOLE 749 750config SERIAL_SH_SCI_EARLYCON 751 bool "Support for early console on SuperH SCI(F)" 752 depends on SERIAL_SH_SCI=y 753 select SERIAL_CORE_CONSOLE 754 select SERIAL_EARLYCON 755 756config SERIAL_SH_SCI_DMA 757 bool "DMA support" 758 depends on SERIAL_SH_SCI && DMA_ENGINE 759 760config SERIAL_PNX8XXX 761 bool "Enable PNX8XXX SoCs' UART Support" 762 depends on SOC_PNX833X 763 select SERIAL_CORE 764 help 765 If you have a MIPS-based Philips SoC such as PNX8330 and you want 766 to use serial ports, say Y. Otherwise, say N. 767 768config SERIAL_PNX8XXX_CONSOLE 769 bool "Enable PNX8XX0 serial console" 770 depends on SERIAL_PNX8XXX 771 select SERIAL_CORE_CONSOLE 772 help 773 If you have a MIPS-based Philips SoC such as PNX8330 and you want 774 to use serial console, say Y. Otherwise, say N. 775 776config SERIAL_HS_LPC32XX 777 tristate "LPC32XX high speed serial port support" 778 depends on ARCH_LPC32XX && OF 779 select SERIAL_CORE 780 help 781 Support for the LPC32XX high speed serial ports (up to 900kbps). 782 Those are UARTs completely different from the Standard UARTs on the 783 LPC32XX SoC. 784 Choose M or Y here to build this driver. 785 786config SERIAL_HS_LPC32XX_CONSOLE 787 bool "Enable LPC32XX high speed UART serial console" 788 depends on SERIAL_HS_LPC32XX=y 789 select SERIAL_CORE_CONSOLE 790 help 791 If you would like to be able to use one of the high speed serial 792 ports on the LPC32XX as the console, you can do so by answering 793 Y to this option. 794 795config SERIAL_CORE 796 tristate 797 798config SERIAL_CORE_CONSOLE 799 bool 800 801config CONSOLE_POLL 802 bool 803 804config SERIAL_MCF 805 bool "Coldfire serial support" 806 depends on COLDFIRE 807 select SERIAL_CORE 808 help 809 This serial driver supports the Freescale Coldfire serial ports. 810 811config SERIAL_MCF_BAUDRATE 812 int "Default baudrate for Coldfire serial ports" 813 depends on SERIAL_MCF 814 default 19200 815 help 816 This setting lets you define what the default baudrate is for the 817 ColdFire serial ports. The usual default varies from board to board, 818 and this setting is a way of catering for that. 819 820config SERIAL_MCF_CONSOLE 821 bool "Coldfire serial console support" 822 depends on SERIAL_MCF 823 select SERIAL_CORE_CONSOLE 824 help 825 Enable a ColdFire internal serial port to be the system console. 826 827config SERIAL_PMACZILOG 828 tristate "Mac or PowerMac z85c30 ESCC support" 829 depends on (M68K && MAC) || PPC_PMAC 830 select SERIAL_CORE 831 help 832 This driver supports the Zilog z85C30 serial ports found on 833 (Power)Mac machines. 834 Say Y or M if you want to be able to these serial ports. 835 836config SERIAL_PMACZILOG_TTYS 837 bool "Use ttySn device nodes for Zilog z85c30" 838 depends on SERIAL_PMACZILOG 839 help 840 The pmac_zilog driver for the z85C30 chip on many powermacs 841 historically used the device numbers for /dev/ttySn. The 842 8250 serial port driver also uses these numbers, which means 843 the two drivers being unable to coexist; you could not use 844 both z85C30 and 8250 type ports at the same time. 845 846 If this option is not selected, the pmac_zilog driver will 847 use the device numbers allocated for /dev/ttyPZn. This allows 848 the pmac_zilog and 8250 drivers to co-exist, but may cause 849 existing userspace setups to break. Programs that need to 850 access the built-in serial ports on powermacs will need to 851 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 852 853 If you enable this option, any z85c30 ports in the system will 854 be registered as ttyS0 onwards as in the past, and you will be 855 unable to use the 8250 module for PCMCIA or other 16C550-style 856 UARTs. 857 858 Say N unless you need the z85c30 ports on your (Power)Mac 859 to appear as /dev/ttySn. 860 861config SERIAL_PMACZILOG_CONSOLE 862 bool "Console on Mac or PowerMac z85c30 serial port" 863 depends on SERIAL_PMACZILOG=y 864 select SERIAL_CORE_CONSOLE 865 help 866 If you would like to be able to use the z85c30 serial port 867 on your (Power)Mac as the console, you can do so by answering 868 Y to this option. 869 870config SERIAL_CPM 871 tristate "CPM SCC/SMC serial port support" 872 depends on CPM2 || CPM1 873 select SERIAL_CORE 874 help 875 This driver supports the SCC and SMC serial ports on Motorola 876 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 877 878config SERIAL_CPM_CONSOLE 879 bool "Support for console on CPM SCC/SMC serial port" 880 depends on SERIAL_CPM=y 881 select SERIAL_CORE_CONSOLE 882 help 883 Say Y here if you wish to use a SCC or SMC CPM UART as the system 884 console (the system console is the device which receives all kernel 885 messages and warnings and which allows logins in single user mode). 886 887 Even if you say Y here, the currently visible framebuffer console 888 (/dev/tty0) will still be used as the system console by default, but 889 you can alter that using a kernel command line option such as 890 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 891 your boot loader (lilo or loadlin) about how to pass options to the 892 kernel at boot time.) 893 894config SERIAL_SGI_L1_CONSOLE 895 bool "SGI Altix L1 serial console support" 896 depends on IA64_GENERIC || IA64_SGI_SN2 897 select SERIAL_CORE 898 select SERIAL_CORE_CONSOLE 899 help 900 If you have an SGI Altix and you would like to use the system 901 controller serial port as your console (you want this!), 902 say Y. Otherwise, say N. 903 904config SERIAL_PIC32 905 tristate "Microchip PIC32 serial support" 906 depends on MACH_PIC32 907 select SERIAL_CORE 908 help 909 If you have a PIC32, this driver supports the serial ports. 910 911 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 912 to use a serial port as a console, this must be included in kernel and 913 not as a module. 914 915config SERIAL_PIC32_CONSOLE 916 bool "PIC32 serial console support" 917 depends on SERIAL_PIC32 918 select SERIAL_CORE_CONSOLE 919 help 920 If you have a PIC32, this driver supports the putting a console on one 921 of the serial ports. 922 923 Say Y to use the PIC32 console, otherwise say N. 924 925config SERIAL_MPC52xx 926 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 927 depends on PPC_MPC52xx || PPC_MPC512x 928 select SERIAL_CORE 929 help 930 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 931 like to use them, you must answer Y or M to this option. Note that 932 for use as console, it must be included in kernel and not as a 933 module. 934 935config SERIAL_MPC52xx_CONSOLE 936 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 937 depends on SERIAL_MPC52xx=y 938 select SERIAL_CORE_CONSOLE 939 help 940 Select this options if you'd like to use one of the PSC serial port 941 of the Freescale MPC52xx family as a console. 942 943config SERIAL_MPC52xx_CONSOLE_BAUD 944 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 945 depends on SERIAL_MPC52xx_CONSOLE=y 946 default "9600" 947 help 948 Select the MPC52xx console baud rate. 949 This value is only used if the bootloader doesn't pass in the 950 console baudrate 951 952config SERIAL_ICOM 953 tristate "IBM Multiport Serial Adapter" 954 depends on PCI && PPC_PSERIES 955 select SERIAL_CORE 956 select FW_LOADER 957 help 958 This driver is for a family of multiport serial adapters 959 including 2 port RVX, 2 port internal modem, 4 port internal 960 modem and a split 1 port RVX and 1 port internal modem. 961 962 This driver can also be built as a module. If so, the module 963 will be called icom. 964 965config SERIAL_M32R_SIO 966 bool "M32R SIO I/F" 967 depends on M32R 968 default y 969 select SERIAL_CORE 970 help 971 Say Y here if you want to use the M32R serial controller. 972 973config SERIAL_M32R_SIO_CONSOLE 974 bool "use SIO console" 975 depends on SERIAL_M32R_SIO=y 976 select SERIAL_CORE_CONSOLE 977 help 978 Say Y here if you want to support a serial console. 979 980 If you use an M3T-M32700UT or an OPSPUT platform, 981 please say also y for SERIAL_M32R_PLDSIO. 982 983config SERIAL_M32R_PLDSIO 984 bool "M32R SIO I/F on a PLD" 985 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 986 default n 987 help 988 Say Y here if you want to use the M32R serial controller 989 on a PLD (Programmable Logic Device). 990 991 If you use an M3T-M32700UT or an OPSPUT platform, 992 please say Y. 993 994config SERIAL_TXX9 995 bool "TMPTX39XX/49XX SIO support" 996 depends on HAS_TXX9_SERIAL 997 select SERIAL_CORE 998 default y 999 1000config HAS_TXX9_SERIAL 1001 bool 1002 1003config SERIAL_TXX9_NR_UARTS 1004 int "Maximum number of TMPTX39XX/49XX SIO ports" 1005 depends on SERIAL_TXX9 1006 default "6" 1007 1008config SERIAL_TXX9_CONSOLE 1009 bool "TMPTX39XX/49XX SIO Console support" 1010 depends on SERIAL_TXX9=y 1011 select SERIAL_CORE_CONSOLE 1012 1013config SERIAL_TXX9_STDSERIAL 1014 bool "TX39XX/49XX SIO act as standard serial" 1015 depends on !SERIAL_8250 && SERIAL_TXX9 1016 1017config SERIAL_VR41XX 1018 tristate "NEC VR4100 series Serial Interface Unit support" 1019 depends on CPU_VR41XX 1020 select SERIAL_CORE 1021 help 1022 If you have a NEC VR4100 series processor and you want to use 1023 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1024 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1025 1026config SERIAL_VR41XX_CONSOLE 1027 bool "Enable NEC VR4100 series Serial Interface Unit console" 1028 depends on SERIAL_VR41XX=y 1029 select SERIAL_CORE_CONSOLE 1030 help 1031 If you have a NEC VR4100 series processor and you want to use 1032 a console on a serial port, say Y. Otherwise, say N. 1033 1034config SERIAL_JSM 1035 tristate "Digi International NEO and Classic PCI Support" 1036 depends on PCI 1037 select SERIAL_CORE 1038 help 1039 This is a driver for Digi International's Neo and Classic series 1040 of cards which provide multiple serial ports. You would need 1041 something like this to connect more than two modems to your Linux 1042 box, for instance in order to become a dial-in server. This driver 1043 supports PCI boards only. 1044 1045 If you have a card like this, say Y here, otherwise say N. 1046 1047 To compile this driver as a module, choose M here: the 1048 module will be called jsm. 1049 1050config SERIAL_SGI_IOC4 1051 tristate "SGI IOC4 controller serial support" 1052 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1053 select SERIAL_CORE 1054 help 1055 If you have an SGI Altix with an IOC4 based Base IO card 1056 and wish to use the serial ports on this card, say Y. 1057 Otherwise, say N. 1058 1059config SERIAL_SGI_IOC3 1060 tristate "SGI Altix IOC3 serial support" 1061 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1062 select SERIAL_CORE 1063 help 1064 If you have an SGI Altix with an IOC3 serial card, 1065 say Y or M. Otherwise, say N. 1066 1067config SERIAL_MSM 1068 tristate "MSM on-chip serial port support" 1069 depends on ARCH_QCOM 1070 select SERIAL_CORE 1071 1072config SERIAL_MSM_CONSOLE 1073 bool "MSM serial console support" 1074 depends on SERIAL_MSM=y 1075 select SERIAL_CORE_CONSOLE 1076 select SERIAL_EARLYCON 1077 1078config SERIAL_VT8500 1079 bool "VIA VT8500 on-chip serial port support" 1080 depends on ARCH_VT8500 1081 select SERIAL_CORE 1082 1083config SERIAL_VT8500_CONSOLE 1084 bool "VIA VT8500 serial console support" 1085 depends on SERIAL_VT8500=y 1086 select SERIAL_CORE_CONSOLE 1087 1088config SERIAL_ETRAXFS 1089 bool "ETRAX FS serial port support" 1090 depends on ETRAX_ARCH_V32 && OF 1091 select SERIAL_CORE 1092 select SERIAL_MCTRL_GPIO if GPIOLIB 1093 1094config SERIAL_ETRAXFS_CONSOLE 1095 bool "ETRAX FS serial console support" 1096 depends on SERIAL_ETRAXFS 1097 select SERIAL_CORE_CONSOLE 1098 1099config SERIAL_NETX 1100 tristate "NetX serial port support" 1101 depends on ARCH_NETX 1102 select SERIAL_CORE 1103 help 1104 If you have a machine based on a Hilscher NetX SoC you 1105 can enable its onboard serial port by enabling this option. 1106 1107 To compile this driver as a module, choose M here: the 1108 module will be called netx-serial. 1109 1110config SERIAL_NETX_CONSOLE 1111 bool "Console on NetX serial port" 1112 depends on SERIAL_NETX=y 1113 select SERIAL_CORE_CONSOLE 1114 help 1115 If you have enabled the serial port on the Hilscher NetX SoC 1116 you can make it the console by answering Y to this option. 1117 1118config SERIAL_OMAP 1119 tristate "OMAP serial port support" 1120 depends on ARCH_OMAP2PLUS 1121 select SERIAL_CORE 1122 help 1123 If you have a machine based on an Texas Instruments OMAP CPU you 1124 can enable its onboard serial ports by enabling this option. 1125 1126 By enabling this option you take advantage of dma feature available 1127 with the omap-serial driver. DMA support can be enabled from platform 1128 data. 1129 1130config SERIAL_OMAP_CONSOLE 1131 bool "Console on OMAP serial port" 1132 depends on SERIAL_OMAP=y 1133 select SERIAL_CORE_CONSOLE 1134 help 1135 Select this option if you would like to use omap serial port as 1136 console. 1137 1138 Even if you say Y here, the currently visible virtual console 1139 (/dev/tty0) will still be used as the system console by default, but 1140 you can alter that using a kernel command line option such as 1141 "console=ttyOx". (Try "man bootparam" or see the documentation of 1142 your boot loader about how to pass options to the kernel at 1143 boot time.) 1144 1145config SERIAL_LANTIQ 1146 bool "Lantiq serial driver" 1147 depends on LANTIQ 1148 select SERIAL_CORE 1149 select SERIAL_CORE_CONSOLE 1150 help 1151 Support for console and UART on Lantiq SoCs. 1152 1153config SERIAL_QE 1154 tristate "Freescale QUICC Engine serial port support" 1155 depends on QUICC_ENGINE 1156 select SERIAL_CORE 1157 select FW_LOADER 1158 default n 1159 help 1160 This driver supports the QE serial ports on Freescale embedded 1161 PowerPC that contain a QUICC Engine. 1162 1163config SERIAL_SCCNXP 1164 tristate "SCCNXP serial port support" 1165 select SERIAL_CORE 1166 help 1167 This selects support for an advanced UART from NXP (Philips). 1168 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1169 SC28L202, SCC68681 and SCC68692. 1170 1171config SERIAL_SCCNXP_CONSOLE 1172 bool "Console on SCCNXP serial port" 1173 depends on SERIAL_SCCNXP=y 1174 select SERIAL_CORE_CONSOLE 1175 help 1176 Support for console on SCCNXP serial ports. 1177 1178config SERIAL_SC16IS7XX_CORE 1179 tristate 1180 1181config SERIAL_SC16IS7XX 1182 tristate "SC16IS7xx serial support" 1183 select SERIAL_CORE 1184 depends on (SPI_MASTER && !I2C) || I2C 1185 help 1186 This selects support for SC16IS7xx serial ports. 1187 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1188 SC16IS760 and SC16IS762. Select supported buses using options below. 1189 1190config SERIAL_SC16IS7XX_I2C 1191 bool "SC16IS7xx for I2C interface" 1192 depends on SERIAL_SC16IS7XX 1193 depends on I2C 1194 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1195 select REGMAP_I2C if I2C 1196 default y 1197 help 1198 Enable SC16IS7xx driver on I2C bus, 1199 If required say y, and say n to i2c if not required, 1200 Enabled by default to support oldconfig. 1201 You must select at least one bus for the driver to be built. 1202 1203config SERIAL_SC16IS7XX_SPI 1204 bool "SC16IS7xx for spi interface" 1205 depends on SERIAL_SC16IS7XX 1206 depends on SPI_MASTER 1207 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1208 select REGMAP_SPI if SPI_MASTER 1209 help 1210 Enable SC16IS7xx driver on SPI bus, 1211 If required say y, and say n to spi if not required, 1212 This is additional support to exsisting driver. 1213 You must select at least one bus for the driver to be built. 1214 1215config SERIAL_BFIN_SPORT 1216 tristate "Blackfin SPORT emulate UART" 1217 depends on BLACKFIN 1218 select SERIAL_CORE 1219 help 1220 Enable SPORT emulate UART on Blackfin series. 1221 1222 To compile this driver as a module, choose M here: the 1223 module will be called bfin_sport_uart. 1224 1225config SERIAL_BFIN_SPORT_CONSOLE 1226 bool "Console on Blackfin sport emulated uart" 1227 depends on SERIAL_BFIN_SPORT=y 1228 select SERIAL_CORE_CONSOLE 1229 1230config SERIAL_BFIN_SPORT0_UART 1231 bool "Enable UART over SPORT0" 1232 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1233 help 1234 Enable UART over SPORT0 1235 1236config SERIAL_BFIN_SPORT0_UART_CTSRTS 1237 bool "Enable UART over SPORT0 hardware flow control" 1238 depends on SERIAL_BFIN_SPORT0_UART 1239 help 1240 Enable hardware flow control in the driver. 1241 1242config SERIAL_BFIN_SPORT1_UART 1243 bool "Enable UART over SPORT1" 1244 depends on SERIAL_BFIN_SPORT 1245 help 1246 Enable UART over SPORT1 1247 1248config SERIAL_BFIN_SPORT1_UART_CTSRTS 1249 bool "Enable UART over SPORT1 hardware flow control" 1250 depends on SERIAL_BFIN_SPORT1_UART 1251 help 1252 Enable hardware flow control in the driver. 1253 1254config SERIAL_BFIN_SPORT2_UART 1255 bool "Enable UART over SPORT2" 1256 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1257 help 1258 Enable UART over SPORT2 1259 1260config SERIAL_BFIN_SPORT2_UART_CTSRTS 1261 bool "Enable UART over SPORT2 hardware flow control" 1262 depends on SERIAL_BFIN_SPORT2_UART 1263 help 1264 Enable hardware flow control in the driver. 1265 1266config SERIAL_BFIN_SPORT3_UART 1267 bool "Enable UART over SPORT3" 1268 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1269 help 1270 Enable UART over SPORT3 1271 1272config SERIAL_BFIN_SPORT3_UART_CTSRTS 1273 bool "Enable UART over SPORT3 hardware flow control" 1274 depends on SERIAL_BFIN_SPORT3_UART 1275 help 1276 Enable hardware flow control in the driver. 1277 1278config SERIAL_TIMBERDALE 1279 tristate "Support for timberdale UART" 1280 select SERIAL_CORE 1281 depends on X86_32 || COMPILE_TEST 1282 ---help--- 1283 Add support for UART controller on timberdale. 1284 1285config SERIAL_BCM63XX 1286 tristate "Broadcom BCM63xx/BCM33xx UART support" 1287 select SERIAL_CORE 1288 depends on MIPS || ARM || COMPILE_TEST 1289 help 1290 This enables the driver for the onchip UART core found on 1291 the following chipsets: 1292 1293 BCM33xx (cable modem) 1294 BCM63xx/BCM63xxx (DSL) 1295 BCM68xx (PON) 1296 BCM7xxx (STB) - DOCSIS console 1297 1298config SERIAL_BCM63XX_CONSOLE 1299 bool "Console on BCM63xx serial port" 1300 depends on SERIAL_BCM63XX=y 1301 select SERIAL_CORE_CONSOLE 1302 select SERIAL_EARLYCON 1303 help 1304 If you have enabled the serial port on the BCM63xx CPU 1305 you can make it the console by answering Y to this option. 1306 1307config SERIAL_GRLIB_GAISLER_APBUART 1308 tristate "GRLIB APBUART serial support" 1309 depends on OF && SPARC 1310 select SERIAL_CORE 1311 ---help--- 1312 Add support for the GRLIB APBUART serial port. 1313 1314config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1315 bool "Console on GRLIB APBUART serial port" 1316 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1317 select SERIAL_CORE_CONSOLE 1318 help 1319 Support for running a console on the GRLIB APBUART 1320 1321config SERIAL_ALTERA_JTAGUART 1322 tristate "Altera JTAG UART support" 1323 select SERIAL_CORE 1324 help 1325 This driver supports the Altera JTAG UART port. 1326 1327config SERIAL_ALTERA_JTAGUART_CONSOLE 1328 bool "Altera JTAG UART console support" 1329 depends on SERIAL_ALTERA_JTAGUART=y 1330 select SERIAL_CORE_CONSOLE 1331 help 1332 Enable a Altera JTAG UART port to be the system console. 1333 1334config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1335 bool "Bypass output when no connection" 1336 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1337 select SERIAL_CORE_CONSOLE 1338 help 1339 Bypass console output and keep going even if there is no 1340 JTAG terminal connection with the host. 1341 1342config SERIAL_ALTERA_UART 1343 tristate "Altera UART support" 1344 select SERIAL_CORE 1345 help 1346 This driver supports the Altera softcore UART port. 1347 1348config SERIAL_ALTERA_UART_MAXPORTS 1349 int "Maximum number of Altera UART ports" 1350 depends on SERIAL_ALTERA_UART 1351 default 4 1352 help 1353 This setting lets you define the maximum number of the Altera 1354 UART ports. The usual default varies from board to board, and 1355 this setting is a way of catering for that. 1356 1357config SERIAL_ALTERA_UART_BAUDRATE 1358 int "Default baudrate for Altera UART ports" 1359 depends on SERIAL_ALTERA_UART 1360 default 115200 1361 help 1362 This setting lets you define what the default baudrate is for the 1363 Altera UART ports. The usual default varies from board to board, 1364 and this setting is a way of catering for that. 1365 1366config SERIAL_ALTERA_UART_CONSOLE 1367 bool "Altera UART console support" 1368 depends on SERIAL_ALTERA_UART=y 1369 select SERIAL_CORE_CONSOLE 1370 help 1371 Enable a Altera UART port to be the system console. 1372 1373config SERIAL_IFX6X60 1374 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1375 depends on GPIOLIB || COMPILE_TEST 1376 depends on SPI && HAS_DMA 1377 help 1378 Support for the IFX6x60 modem devices on Intel MID platforms. 1379 1380config SERIAL_PCH_UART 1381 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1382 depends on PCI && (X86_32 || COMPILE_TEST) 1383 select SERIAL_CORE 1384 help 1385 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1386 which is an IOH(Input/Output Hub) for x86 embedded processor. 1387 Enabling PCH_DMA, this PCH UART works as DMA mode. 1388 1389 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1390 Output Hub), ML7213, ML7223 and ML7831. 1391 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1392 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1393 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1394 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1395 1396config SERIAL_PCH_UART_CONSOLE 1397 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1398 depends on SERIAL_PCH_UART=y 1399 select SERIAL_CORE_CONSOLE 1400 help 1401 Say Y here if you wish to use the PCH UART as the system console 1402 (the system console is the device which receives all kernel messages and 1403 warnings and which allows logins in single user mode). 1404 1405config SERIAL_MXS_AUART 1406 tristate "MXS AUART support" 1407 depends on HAS_DMA 1408 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1409 select SERIAL_CORE 1410 select SERIAL_MCTRL_GPIO if GPIOLIB 1411 help 1412 This driver supports the MXS and Alphascale ASM9260 Application 1413 UART (AUART) port. 1414 1415config SERIAL_MXS_AUART_CONSOLE 1416 bool "MXS AUART console support" 1417 depends on SERIAL_MXS_AUART=y 1418 select SERIAL_CORE_CONSOLE 1419 help 1420 Enable a MXS AUART port to be the system console. 1421 1422config SERIAL_XILINX_PS_UART 1423 tristate "Cadence (Xilinx Zynq) UART support" 1424 depends on OF 1425 select SERIAL_CORE 1426 help 1427 This driver supports the Cadence UART. It is found e.g. in Xilinx 1428 Zynq. 1429 1430config SERIAL_XILINX_PS_UART_CONSOLE 1431 bool "Cadence UART console support" 1432 depends on SERIAL_XILINX_PS_UART=y 1433 select SERIAL_CORE_CONSOLE 1434 select SERIAL_EARLYCON 1435 help 1436 Enable a Cadence UART port to be the system console. 1437 1438config SERIAL_AR933X 1439 tristate "AR933X serial port support" 1440 depends on HAVE_CLK && SOC_AR933X 1441 select SERIAL_CORE 1442 help 1443 If you have an Atheros AR933X SOC based board and want to use the 1444 built-in UART of the SoC, say Y to this option. 1445 1446 To compile this driver as a module, choose M here: the 1447 module will be called ar933x_uart. 1448 1449config SERIAL_AR933X_CONSOLE 1450 bool "Console on AR933X serial port" 1451 depends on SERIAL_AR933X=y 1452 select SERIAL_CORE_CONSOLE 1453 help 1454 Enable a built-in UART port of the AR933X to be the system console. 1455 1456config SERIAL_AR933X_NR_UARTS 1457 int "Maximum number of AR933X serial ports" 1458 depends on SERIAL_AR933X 1459 default "2" 1460 help 1461 Set this to the number of serial ports you want the driver 1462 to support. 1463 1464config SERIAL_EFM32_UART 1465 tristate "EFM32 UART/USART port" 1466 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1467 select SERIAL_CORE 1468 help 1469 This driver support the USART and UART ports on 1470 Energy Micro's efm32 SoCs. 1471 1472config SERIAL_MPS2_UART_CONSOLE 1473 bool "MPS2 UART console support" 1474 depends on SERIAL_MPS2_UART 1475 select SERIAL_CORE_CONSOLE 1476 select SERIAL_EARLYCON 1477 1478config SERIAL_MPS2_UART 1479 bool "MPS2 UART port" 1480 depends on ARM || COMPILE_TEST 1481 select SERIAL_CORE 1482 help 1483 This driver support the UART ports on ARM MPS2. 1484 1485config SERIAL_EFM32_UART_CONSOLE 1486 bool "EFM32 UART/USART console support" 1487 depends on SERIAL_EFM32_UART=y 1488 select SERIAL_CORE_CONSOLE 1489 1490config SERIAL_TILEGX 1491 tristate "TILE-Gx on-chip serial port support" 1492 depends on TILEGX 1493 select TILE_GXIO_UART 1494 select SERIAL_CORE 1495 ---help--- 1496 This device provides access to the on-chip UARTs on the TILE-Gx 1497 processor. 1498 1499config SERIAL_ARC 1500 tristate "ARC UART driver support" 1501 select SERIAL_CORE 1502 help 1503 Driver for on-chip UART for ARC(Synopsys) for the legacy 1504 FPGA Boards (ML50x/ARCAngel4) 1505 1506config SERIAL_ARC_CONSOLE 1507 bool "Console on ARC UART" 1508 depends on SERIAL_ARC=y 1509 select SERIAL_CORE_CONSOLE 1510 select SERIAL_EARLYCON 1511 help 1512 Enable system Console on ARC UART 1513 1514config SERIAL_ARC_NR_PORTS 1515 int "Number of ARC UART ports" 1516 depends on SERIAL_ARC 1517 range 1 3 1518 default "1" 1519 help 1520 Set this to the number of serial ports you want the driver 1521 to support. 1522 1523config SERIAL_RP2 1524 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1525 depends on PCI 1526 select SERIAL_CORE 1527 help 1528 This driver supports the Comtrol RocketPort EXPRESS and 1529 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1530 These adapters use a "RocketPort 2" ASIC that is not compatible 1531 with the original RocketPort driver (CONFIG_ROCKETPORT). 1532 1533 To compile this driver as a module, choose M here: the 1534 module will be called rp2. 1535 1536 If you want to compile this driver into the kernel, say Y here. If 1537 you don't have a suitable RocketPort card installed, say N. 1538 1539config SERIAL_RP2_NR_UARTS 1540 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1541 depends on SERIAL_RP2 1542 default "32" 1543 help 1544 If multiple cards are present, the default limit of 32 ports may 1545 need to be increased. 1546 1547config SERIAL_FSL_LPUART 1548 tristate "Freescale lpuart serial port support" 1549 depends on HAS_DMA 1550 select SERIAL_CORE 1551 help 1552 Support for the on-chip lpuart on some Freescale SOCs. 1553 1554config SERIAL_FSL_LPUART_CONSOLE 1555 bool "Console on Freescale lpuart serial port" 1556 depends on SERIAL_FSL_LPUART=y 1557 select SERIAL_CORE_CONSOLE 1558 select SERIAL_EARLYCON 1559 help 1560 If you have enabled the lpuart serial port on the Freescale SoCs, 1561 you can make it the console by answering Y to this option. 1562 1563config SERIAL_CONEXANT_DIGICOLOR 1564 tristate "Conexant Digicolor CX92xxx USART serial port support" 1565 depends on OF 1566 select SERIAL_CORE 1567 help 1568 Support for the on-chip USART on Conexant Digicolor SoCs. 1569 1570config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1571 bool "Console on Conexant Digicolor serial port" 1572 depends on SERIAL_CONEXANT_DIGICOLOR=y 1573 select SERIAL_CORE_CONSOLE 1574 help 1575 If you have enabled the USART serial port on Conexant Digicolor 1576 SoCs, you can make it the console by answering Y to this option. 1577 1578config SERIAL_ST_ASC 1579 tristate "ST ASC serial port support" 1580 select SERIAL_CORE 1581 depends on ARM || COMPILE_TEST 1582 help 1583 This driver is for the on-chip Asychronous Serial Controller on 1584 STMicroelectronics STi SoCs. 1585 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1586 It support all industry standard baud rates. 1587 1588 If unsure, say N. 1589 1590config SERIAL_ST_ASC_CONSOLE 1591 bool "Support for console on ST ASC" 1592 depends on SERIAL_ST_ASC=y 1593 select SERIAL_CORE_CONSOLE 1594 1595config SERIAL_MEN_Z135 1596 tristate "MEN 16z135 Support" 1597 select SERIAL_CORE 1598 depends on MCB 1599 help 1600 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1601 on a MCB carrier. 1602 1603 This driver can also be build as a module. If so, the module will be called 1604 men_z135_uart.ko 1605 1606config SERIAL_SPRD 1607 tristate "Support for Spreadtrum serial" 1608 depends on ARCH_SPRD 1609 select SERIAL_CORE 1610 help 1611 This enables the driver for the Spreadtrum's serial. 1612 1613config SERIAL_SPRD_CONSOLE 1614 bool "Spreadtrum UART console support" 1615 depends on SERIAL_SPRD=y 1616 select SERIAL_CORE_CONSOLE 1617 select SERIAL_EARLYCON 1618 help 1619 Support for early debug console using Spreadtrum's serial. This enables 1620 the console before standard serial driver is probed. This is enabled 1621 with "earlycon" on the kernel command line. The console is 1622 enabled when early_param is processed. 1623 1624config SERIAL_STM32 1625 tristate "STMicroelectronics STM32 serial port support" 1626 select SERIAL_CORE 1627 depends on ARM || COMPILE_TEST 1628 help 1629 This driver is for the on-chip Serial Controller on 1630 STMicroelectronics STM32 MCUs. 1631 USART supports Rx & Tx functionality. 1632 It support all industry standard baud rates. 1633 1634 If unsure, say N. 1635 1636config SERIAL_STM32_CONSOLE 1637 bool "Support for console on STM32" 1638 depends on SERIAL_STM32=y 1639 select SERIAL_CORE_CONSOLE 1640 1641config SERIAL_MVEBU_UART 1642 bool "Marvell EBU serial port support" 1643 depends on ARCH_MVEBU || COMPILE_TEST 1644 select SERIAL_CORE 1645 help 1646 This driver is for Marvell EBU SoC's UART. If you have a machine 1647 based on the Armada-3700 SoC and wish to use the on-board serial 1648 port, 1649 say 'Y' here. 1650 Otherwise, say 'N'. 1651 1652config SERIAL_MVEBU_CONSOLE 1653 bool "Console on Marvell EBU serial port" 1654 depends on SERIAL_MVEBU_UART 1655 select SERIAL_CORE_CONSOLE 1656 select SERIAL_EARLYCON 1657 default y 1658 help 1659 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1660 (the system console is the device which receives all kernel messages 1661 and warnings and which allows logins in single user mode) 1662 Otherwise, say 'N'. 1663 1664endmenu 1665 1666config SERIAL_MCTRL_GPIO 1667 tristate 1668 1669endif # TTY 1670