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 select SERIAL_MCTRL_GPIO if GPIOLIB 740 741config SERIAL_SH_SCI_NR_UARTS 742 int "Maximum number of SCI(F) serial ports" 743 depends on SERIAL_SH_SCI 744 default "2" 745 746config SERIAL_SH_SCI_CONSOLE 747 bool "Support for console on SuperH SCI(F)" 748 depends on SERIAL_SH_SCI=y 749 select SERIAL_CORE_CONSOLE 750 751config SERIAL_SH_SCI_EARLYCON 752 bool "Support for early console on SuperH SCI(F)" 753 depends on SERIAL_SH_SCI=y 754 select SERIAL_CORE_CONSOLE 755 select SERIAL_EARLYCON 756 757config SERIAL_SH_SCI_DMA 758 bool "DMA support" 759 depends on SERIAL_SH_SCI && DMA_ENGINE 760 761config SERIAL_PNX8XXX 762 bool "Enable PNX8XXX SoCs' UART Support" 763 depends on SOC_PNX833X 764 select SERIAL_CORE 765 help 766 If you have a MIPS-based Philips SoC such as PNX8330 and you want 767 to use serial ports, say Y. Otherwise, say N. 768 769config SERIAL_PNX8XXX_CONSOLE 770 bool "Enable PNX8XX0 serial console" 771 depends on SERIAL_PNX8XXX 772 select SERIAL_CORE_CONSOLE 773 help 774 If you have a MIPS-based Philips SoC such as PNX8330 and you want 775 to use serial console, say Y. Otherwise, say N. 776 777config SERIAL_HS_LPC32XX 778 tristate "LPC32XX high speed serial port support" 779 depends on ARCH_LPC32XX && OF 780 select SERIAL_CORE 781 help 782 Support for the LPC32XX high speed serial ports (up to 900kbps). 783 Those are UARTs completely different from the Standard UARTs on the 784 LPC32XX SoC. 785 Choose M or Y here to build this driver. 786 787config SERIAL_HS_LPC32XX_CONSOLE 788 bool "Enable LPC32XX high speed UART serial console" 789 depends on SERIAL_HS_LPC32XX=y 790 select SERIAL_CORE_CONSOLE 791 help 792 If you would like to be able to use one of the high speed serial 793 ports on the LPC32XX as the console, you can do so by answering 794 Y to this option. 795 796config SERIAL_CORE 797 tristate 798 799config SERIAL_CORE_CONSOLE 800 bool 801 802config CONSOLE_POLL 803 bool 804 805config SERIAL_MCF 806 bool "Coldfire serial support" 807 depends on COLDFIRE 808 select SERIAL_CORE 809 help 810 This serial driver supports the Freescale Coldfire serial ports. 811 812config SERIAL_MCF_BAUDRATE 813 int "Default baudrate for Coldfire serial ports" 814 depends on SERIAL_MCF 815 default 19200 816 help 817 This setting lets you define what the default baudrate is for the 818 ColdFire serial ports. The usual default varies from board to board, 819 and this setting is a way of catering for that. 820 821config SERIAL_MCF_CONSOLE 822 bool "Coldfire serial console support" 823 depends on SERIAL_MCF 824 select SERIAL_CORE_CONSOLE 825 help 826 Enable a ColdFire internal serial port to be the system console. 827 828config SERIAL_PMACZILOG 829 tristate "Mac or PowerMac z85c30 ESCC support" 830 depends on (M68K && MAC) || PPC_PMAC 831 select SERIAL_CORE 832 help 833 This driver supports the Zilog z85C30 serial ports found on 834 (Power)Mac machines. 835 Say Y or M if you want to be able to these serial ports. 836 837config SERIAL_PMACZILOG_TTYS 838 bool "Use ttySn device nodes for Zilog z85c30" 839 depends on SERIAL_PMACZILOG 840 help 841 The pmac_zilog driver for the z85C30 chip on many powermacs 842 historically used the device numbers for /dev/ttySn. The 843 8250 serial port driver also uses these numbers, which means 844 the two drivers being unable to coexist; you could not use 845 both z85C30 and 8250 type ports at the same time. 846 847 If this option is not selected, the pmac_zilog driver will 848 use the device numbers allocated for /dev/ttyPZn. This allows 849 the pmac_zilog and 8250 drivers to co-exist, but may cause 850 existing userspace setups to break. Programs that need to 851 access the built-in serial ports on powermacs will need to 852 be reconfigured to use /dev/ttyPZn instead of /dev/ttySn. 853 854 If you enable this option, any z85c30 ports in the system will 855 be registered as ttyS0 onwards as in the past, and you will be 856 unable to use the 8250 module for PCMCIA or other 16C550-style 857 UARTs. 858 859 Say N unless you need the z85c30 ports on your (Power)Mac 860 to appear as /dev/ttySn. 861 862config SERIAL_PMACZILOG_CONSOLE 863 bool "Console on Mac or PowerMac z85c30 serial port" 864 depends on SERIAL_PMACZILOG=y 865 select SERIAL_CORE_CONSOLE 866 help 867 If you would like to be able to use the z85c30 serial port 868 on your (Power)Mac as the console, you can do so by answering 869 Y to this option. 870 871config SERIAL_CPM 872 tristate "CPM SCC/SMC serial port support" 873 depends on CPM2 || CPM1 874 select SERIAL_CORE 875 help 876 This driver supports the SCC and SMC serial ports on Motorola 877 embedded PowerPC that contain a CPM1 (8xx) or CPM2 (8xxx) 878 879config SERIAL_CPM_CONSOLE 880 bool "Support for console on CPM SCC/SMC serial port" 881 depends on SERIAL_CPM=y 882 select SERIAL_CORE_CONSOLE 883 help 884 Say Y here if you wish to use a SCC or SMC CPM UART as the system 885 console (the system console is the device which receives all kernel 886 messages and warnings and which allows logins in single user mode). 887 888 Even if you say Y here, the currently visible framebuffer console 889 (/dev/tty0) will still be used as the system console by default, but 890 you can alter that using a kernel command line option such as 891 "console=ttyCPM0". (Try "man bootparam" or see the documentation of 892 your boot loader (lilo or loadlin) about how to pass options to the 893 kernel at boot time.) 894 895config SERIAL_SGI_L1_CONSOLE 896 bool "SGI Altix L1 serial console support" 897 depends on IA64_GENERIC || IA64_SGI_SN2 898 select SERIAL_CORE 899 select SERIAL_CORE_CONSOLE 900 help 901 If you have an SGI Altix and you would like to use the system 902 controller serial port as your console (you want this!), 903 say Y. Otherwise, say N. 904 905config SERIAL_PIC32 906 tristate "Microchip PIC32 serial support" 907 depends on MACH_PIC32 908 select SERIAL_CORE 909 help 910 If you have a PIC32, this driver supports the serial ports. 911 912 Say Y or M to use PIC32 serial ports, otherwise say N. Note that 913 to use a serial port as a console, this must be included in kernel and 914 not as a module. 915 916config SERIAL_PIC32_CONSOLE 917 bool "PIC32 serial console support" 918 depends on SERIAL_PIC32 919 select SERIAL_CORE_CONSOLE 920 help 921 If you have a PIC32, this driver supports the putting a console on one 922 of the serial ports. 923 924 Say Y to use the PIC32 console, otherwise say N. 925 926config SERIAL_MPC52xx 927 tristate "Freescale MPC52xx/MPC512x family PSC serial support" 928 depends on PPC_MPC52xx || PPC_MPC512x 929 select SERIAL_CORE 930 help 931 This driver supports MPC52xx and MPC512x PSC serial ports. If you would 932 like to use them, you must answer Y or M to this option. Note that 933 for use as console, it must be included in kernel and not as a 934 module. 935 936config SERIAL_MPC52xx_CONSOLE 937 bool "Console on a Freescale MPC52xx/MPC512x family PSC serial port" 938 depends on SERIAL_MPC52xx=y 939 select SERIAL_CORE_CONSOLE 940 help 941 Select this options if you'd like to use one of the PSC serial port 942 of the Freescale MPC52xx family as a console. 943 944config SERIAL_MPC52xx_CONSOLE_BAUD 945 int "Freescale MPC52xx/MPC512x family PSC serial port baud" 946 depends on SERIAL_MPC52xx_CONSOLE=y 947 default "9600" 948 help 949 Select the MPC52xx console baud rate. 950 This value is only used if the bootloader doesn't pass in the 951 console baudrate 952 953config SERIAL_ICOM 954 tristate "IBM Multiport Serial Adapter" 955 depends on PCI && PPC_PSERIES 956 select SERIAL_CORE 957 select FW_LOADER 958 help 959 This driver is for a family of multiport serial adapters 960 including 2 port RVX, 2 port internal modem, 4 port internal 961 modem and a split 1 port RVX and 1 port internal modem. 962 963 This driver can also be built as a module. If so, the module 964 will be called icom. 965 966config SERIAL_M32R_SIO 967 bool "M32R SIO I/F" 968 depends on M32R 969 default y 970 select SERIAL_CORE 971 help 972 Say Y here if you want to use the M32R serial controller. 973 974config SERIAL_M32R_SIO_CONSOLE 975 bool "use SIO console" 976 depends on SERIAL_M32R_SIO=y 977 select SERIAL_CORE_CONSOLE 978 help 979 Say Y here if you want to support a serial console. 980 981 If you use an M3T-M32700UT or an OPSPUT platform, 982 please say also y for SERIAL_M32R_PLDSIO. 983 984config SERIAL_M32R_PLDSIO 985 bool "M32R SIO I/F on a PLD" 986 depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PLAT_USRV || PLAT_M32700UT) 987 default n 988 help 989 Say Y here if you want to use the M32R serial controller 990 on a PLD (Programmable Logic Device). 991 992 If you use an M3T-M32700UT or an OPSPUT platform, 993 please say Y. 994 995config SERIAL_TXX9 996 bool "TMPTX39XX/49XX SIO support" 997 depends on HAS_TXX9_SERIAL 998 select SERIAL_CORE 999 default y 1000 1001config HAS_TXX9_SERIAL 1002 bool 1003 1004config SERIAL_TXX9_NR_UARTS 1005 int "Maximum number of TMPTX39XX/49XX SIO ports" 1006 depends on SERIAL_TXX9 1007 default "6" 1008 1009config SERIAL_TXX9_CONSOLE 1010 bool "TMPTX39XX/49XX SIO Console support" 1011 depends on SERIAL_TXX9=y 1012 select SERIAL_CORE_CONSOLE 1013 1014config SERIAL_TXX9_STDSERIAL 1015 bool "TX39XX/49XX SIO act as standard serial" 1016 depends on !SERIAL_8250 && SERIAL_TXX9 1017 1018config SERIAL_VR41XX 1019 tristate "NEC VR4100 series Serial Interface Unit support" 1020 depends on CPU_VR41XX 1021 select SERIAL_CORE 1022 help 1023 If you have a NEC VR4100 series processor and you want to use 1024 Serial Interface Unit(SIU) or Debug Serial Interface Unit(DSIU) 1025 (not include VR4111/VR4121 DSIU), say Y. Otherwise, say N. 1026 1027config SERIAL_VR41XX_CONSOLE 1028 bool "Enable NEC VR4100 series Serial Interface Unit console" 1029 depends on SERIAL_VR41XX=y 1030 select SERIAL_CORE_CONSOLE 1031 help 1032 If you have a NEC VR4100 series processor and you want to use 1033 a console on a serial port, say Y. Otherwise, say N. 1034 1035config SERIAL_JSM 1036 tristate "Digi International NEO and Classic PCI Support" 1037 depends on PCI 1038 select SERIAL_CORE 1039 help 1040 This is a driver for Digi International's Neo and Classic series 1041 of cards which provide multiple serial ports. You would need 1042 something like this to connect more than two modems to your Linux 1043 box, for instance in order to become a dial-in server. This driver 1044 supports PCI boards only. 1045 1046 If you have a card like this, say Y here, otherwise say N. 1047 1048 To compile this driver as a module, choose M here: the 1049 module will be called jsm. 1050 1051config SERIAL_SGI_IOC4 1052 tristate "SGI IOC4 controller serial support" 1053 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC4 1054 select SERIAL_CORE 1055 help 1056 If you have an SGI Altix with an IOC4 based Base IO card 1057 and wish to use the serial ports on this card, say Y. 1058 Otherwise, say N. 1059 1060config SERIAL_SGI_IOC3 1061 tristate "SGI Altix IOC3 serial support" 1062 depends on (IA64_GENERIC || IA64_SGI_SN2) && SGI_IOC3 1063 select SERIAL_CORE 1064 help 1065 If you have an SGI Altix with an IOC3 serial card, 1066 say Y or M. Otherwise, say N. 1067 1068config SERIAL_MSM 1069 tristate "MSM on-chip serial port support" 1070 depends on ARCH_QCOM 1071 select SERIAL_CORE 1072 1073config SERIAL_MSM_CONSOLE 1074 bool "MSM serial console support" 1075 depends on SERIAL_MSM=y 1076 select SERIAL_CORE_CONSOLE 1077 select SERIAL_EARLYCON 1078 1079config SERIAL_VT8500 1080 bool "VIA VT8500 on-chip serial port support" 1081 depends on ARCH_VT8500 1082 select SERIAL_CORE 1083 1084config SERIAL_VT8500_CONSOLE 1085 bool "VIA VT8500 serial console support" 1086 depends on SERIAL_VT8500=y 1087 select SERIAL_CORE_CONSOLE 1088 1089config SERIAL_ETRAXFS 1090 bool "ETRAX FS serial port support" 1091 depends on ETRAX_ARCH_V32 && OF 1092 select SERIAL_CORE 1093 select SERIAL_MCTRL_GPIO if GPIOLIB 1094 1095config SERIAL_ETRAXFS_CONSOLE 1096 bool "ETRAX FS serial console support" 1097 depends on SERIAL_ETRAXFS 1098 select SERIAL_CORE_CONSOLE 1099 1100config SERIAL_NETX 1101 tristate "NetX serial port support" 1102 depends on ARCH_NETX 1103 select SERIAL_CORE 1104 help 1105 If you have a machine based on a Hilscher NetX SoC you 1106 can enable its onboard serial port by enabling this option. 1107 1108 To compile this driver as a module, choose M here: the 1109 module will be called netx-serial. 1110 1111config SERIAL_NETX_CONSOLE 1112 bool "Console on NetX serial port" 1113 depends on SERIAL_NETX=y 1114 select SERIAL_CORE_CONSOLE 1115 help 1116 If you have enabled the serial port on the Hilscher NetX SoC 1117 you can make it the console by answering Y to this option. 1118 1119config SERIAL_OMAP 1120 tristate "OMAP serial port support" 1121 depends on ARCH_OMAP2PLUS 1122 select SERIAL_CORE 1123 help 1124 If you have a machine based on an Texas Instruments OMAP CPU you 1125 can enable its onboard serial ports by enabling this option. 1126 1127 By enabling this option you take advantage of dma feature available 1128 with the omap-serial driver. DMA support can be enabled from platform 1129 data. 1130 1131config SERIAL_OMAP_CONSOLE 1132 bool "Console on OMAP serial port" 1133 depends on SERIAL_OMAP=y 1134 select SERIAL_CORE_CONSOLE 1135 help 1136 Select this option if you would like to use omap serial port as 1137 console. 1138 1139 Even if you say Y here, the currently visible virtual console 1140 (/dev/tty0) will still be used as the system console by default, but 1141 you can alter that using a kernel command line option such as 1142 "console=ttyOx". (Try "man bootparam" or see the documentation of 1143 your boot loader about how to pass options to the kernel at 1144 boot time.) 1145 1146config SERIAL_LANTIQ 1147 bool "Lantiq serial driver" 1148 depends on LANTIQ 1149 select SERIAL_CORE 1150 select SERIAL_CORE_CONSOLE 1151 help 1152 Support for console and UART on Lantiq SoCs. 1153 1154config SERIAL_QE 1155 tristate "Freescale QUICC Engine serial port support" 1156 depends on QUICC_ENGINE 1157 select SERIAL_CORE 1158 select FW_LOADER 1159 default n 1160 help 1161 This driver supports the QE serial ports on Freescale embedded 1162 PowerPC that contain a QUICC Engine. 1163 1164config SERIAL_SCCNXP 1165 tristate "SCCNXP serial port support" 1166 select SERIAL_CORE 1167 help 1168 This selects support for an advanced UART from NXP (Philips). 1169 Supported ICs are SCC2681, SCC2691, SCC2692, SC28L91, SC28L92, 1170 SC28L202, SCC68681 and SCC68692. 1171 1172config SERIAL_SCCNXP_CONSOLE 1173 bool "Console on SCCNXP serial port" 1174 depends on SERIAL_SCCNXP=y 1175 select SERIAL_CORE_CONSOLE 1176 help 1177 Support for console on SCCNXP serial ports. 1178 1179config SERIAL_SC16IS7XX_CORE 1180 tristate 1181 1182config SERIAL_SC16IS7XX 1183 tristate "SC16IS7xx serial support" 1184 select SERIAL_CORE 1185 depends on (SPI_MASTER && !I2C) || I2C 1186 help 1187 This selects support for SC16IS7xx serial ports. 1188 Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, 1189 SC16IS760 and SC16IS762. Select supported buses using options below. 1190 1191config SERIAL_SC16IS7XX_I2C 1192 bool "SC16IS7xx for I2C interface" 1193 depends on SERIAL_SC16IS7XX 1194 depends on I2C 1195 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1196 select REGMAP_I2C if I2C 1197 default y 1198 help 1199 Enable SC16IS7xx driver on I2C bus, 1200 If required say y, and say n to i2c if not required, 1201 Enabled by default to support oldconfig. 1202 You must select at least one bus for the driver to be built. 1203 1204config SERIAL_SC16IS7XX_SPI 1205 bool "SC16IS7xx for spi interface" 1206 depends on SERIAL_SC16IS7XX 1207 depends on SPI_MASTER 1208 select SERIAL_SC16IS7XX_CORE if SERIAL_SC16IS7XX 1209 select REGMAP_SPI if SPI_MASTER 1210 help 1211 Enable SC16IS7xx driver on SPI bus, 1212 If required say y, and say n to spi if not required, 1213 This is additional support to exsisting driver. 1214 You must select at least one bus for the driver to be built. 1215 1216config SERIAL_BFIN_SPORT 1217 tristate "Blackfin SPORT emulate UART" 1218 depends on BLACKFIN 1219 select SERIAL_CORE 1220 help 1221 Enable SPORT emulate UART on Blackfin series. 1222 1223 To compile this driver as a module, choose M here: the 1224 module will be called bfin_sport_uart. 1225 1226config SERIAL_BFIN_SPORT_CONSOLE 1227 bool "Console on Blackfin sport emulated uart" 1228 depends on SERIAL_BFIN_SPORT=y 1229 select SERIAL_CORE_CONSOLE 1230 1231config SERIAL_BFIN_SPORT0_UART 1232 bool "Enable UART over SPORT0" 1233 depends on SERIAL_BFIN_SPORT && !(BF542 || BF544) 1234 help 1235 Enable UART over SPORT0 1236 1237config SERIAL_BFIN_SPORT0_UART_CTSRTS 1238 bool "Enable UART over SPORT0 hardware flow control" 1239 depends on SERIAL_BFIN_SPORT0_UART 1240 help 1241 Enable hardware flow control in the driver. 1242 1243config SERIAL_BFIN_SPORT1_UART 1244 bool "Enable UART over SPORT1" 1245 depends on SERIAL_BFIN_SPORT 1246 help 1247 Enable UART over SPORT1 1248 1249config SERIAL_BFIN_SPORT1_UART_CTSRTS 1250 bool "Enable UART over SPORT1 hardware flow control" 1251 depends on SERIAL_BFIN_SPORT1_UART 1252 help 1253 Enable hardware flow control in the driver. 1254 1255config SERIAL_BFIN_SPORT2_UART 1256 bool "Enable UART over SPORT2" 1257 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1258 help 1259 Enable UART over SPORT2 1260 1261config SERIAL_BFIN_SPORT2_UART_CTSRTS 1262 bool "Enable UART over SPORT2 hardware flow control" 1263 depends on SERIAL_BFIN_SPORT2_UART 1264 help 1265 Enable hardware flow control in the driver. 1266 1267config SERIAL_BFIN_SPORT3_UART 1268 bool "Enable UART over SPORT3" 1269 depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539) 1270 help 1271 Enable UART over SPORT3 1272 1273config SERIAL_BFIN_SPORT3_UART_CTSRTS 1274 bool "Enable UART over SPORT3 hardware flow control" 1275 depends on SERIAL_BFIN_SPORT3_UART 1276 help 1277 Enable hardware flow control in the driver. 1278 1279config SERIAL_TIMBERDALE 1280 tristate "Support for timberdale UART" 1281 select SERIAL_CORE 1282 depends on X86_32 || COMPILE_TEST 1283 ---help--- 1284 Add support for UART controller on timberdale. 1285 1286config SERIAL_BCM63XX 1287 tristate "Broadcom BCM63xx/BCM33xx UART support" 1288 select SERIAL_CORE 1289 depends on MIPS || ARM || COMPILE_TEST 1290 help 1291 This enables the driver for the onchip UART core found on 1292 the following chipsets: 1293 1294 BCM33xx (cable modem) 1295 BCM63xx/BCM63xxx (DSL) 1296 BCM68xx (PON) 1297 BCM7xxx (STB) - DOCSIS console 1298 1299config SERIAL_BCM63XX_CONSOLE 1300 bool "Console on BCM63xx serial port" 1301 depends on SERIAL_BCM63XX=y 1302 select SERIAL_CORE_CONSOLE 1303 select SERIAL_EARLYCON 1304 help 1305 If you have enabled the serial port on the BCM63xx CPU 1306 you can make it the console by answering Y to this option. 1307 1308config SERIAL_GRLIB_GAISLER_APBUART 1309 tristate "GRLIB APBUART serial support" 1310 depends on OF && SPARC 1311 select SERIAL_CORE 1312 ---help--- 1313 Add support for the GRLIB APBUART serial port. 1314 1315config SERIAL_GRLIB_GAISLER_APBUART_CONSOLE 1316 bool "Console on GRLIB APBUART serial port" 1317 depends on SERIAL_GRLIB_GAISLER_APBUART=y 1318 select SERIAL_CORE_CONSOLE 1319 help 1320 Support for running a console on the GRLIB APBUART 1321 1322config SERIAL_ALTERA_JTAGUART 1323 tristate "Altera JTAG UART support" 1324 select SERIAL_CORE 1325 help 1326 This driver supports the Altera JTAG UART port. 1327 1328config SERIAL_ALTERA_JTAGUART_CONSOLE 1329 bool "Altera JTAG UART console support" 1330 depends on SERIAL_ALTERA_JTAGUART=y 1331 select SERIAL_CORE_CONSOLE 1332 help 1333 Enable a Altera JTAG UART port to be the system console. 1334 1335config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS 1336 bool "Bypass output when no connection" 1337 depends on SERIAL_ALTERA_JTAGUART_CONSOLE 1338 select SERIAL_CORE_CONSOLE 1339 help 1340 Bypass console output and keep going even if there is no 1341 JTAG terminal connection with the host. 1342 1343config SERIAL_ALTERA_UART 1344 tristate "Altera UART support" 1345 select SERIAL_CORE 1346 help 1347 This driver supports the Altera softcore UART port. 1348 1349config SERIAL_ALTERA_UART_MAXPORTS 1350 int "Maximum number of Altera UART ports" 1351 depends on SERIAL_ALTERA_UART 1352 default 4 1353 help 1354 This setting lets you define the maximum number of the Altera 1355 UART ports. The usual default varies from board to board, and 1356 this setting is a way of catering for that. 1357 1358config SERIAL_ALTERA_UART_BAUDRATE 1359 int "Default baudrate for Altera UART ports" 1360 depends on SERIAL_ALTERA_UART 1361 default 115200 1362 help 1363 This setting lets you define what the default baudrate is for the 1364 Altera UART ports. The usual default varies from board to board, 1365 and this setting is a way of catering for that. 1366 1367config SERIAL_ALTERA_UART_CONSOLE 1368 bool "Altera UART console support" 1369 depends on SERIAL_ALTERA_UART=y 1370 select SERIAL_CORE_CONSOLE 1371 help 1372 Enable a Altera UART port to be the system console. 1373 1374config SERIAL_IFX6X60 1375 tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)" 1376 depends on GPIOLIB || COMPILE_TEST 1377 depends on SPI && HAS_DMA 1378 help 1379 Support for the IFX6x60 modem devices on Intel MID platforms. 1380 1381config SERIAL_PCH_UART 1382 tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART" 1383 depends on PCI && (X86_32 || COMPILE_TEST) 1384 select SERIAL_CORE 1385 help 1386 This driver is for PCH(Platform controller Hub) UART of Intel EG20T 1387 which is an IOH(Input/Output Hub) for x86 embedded processor. 1388 Enabling PCH_DMA, this PCH UART works as DMA mode. 1389 1390 This driver also can be used for LAPIS Semiconductor IOH(Input/ 1391 Output Hub), ML7213, ML7223 and ML7831. 1392 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 1393 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 1394 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 1395 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 1396 1397config SERIAL_PCH_UART_CONSOLE 1398 bool "Support for console on Intel EG20T PCH UART/OKI SEMICONDUCTOR ML7213 IOH" 1399 depends on SERIAL_PCH_UART=y 1400 select SERIAL_CORE_CONSOLE 1401 help 1402 Say Y here if you wish to use the PCH UART as the system console 1403 (the system console is the device which receives all kernel messages and 1404 warnings and which allows logins in single user mode). 1405 1406config SERIAL_MXS_AUART 1407 tristate "MXS AUART support" 1408 depends on HAS_DMA 1409 depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST 1410 select SERIAL_CORE 1411 select SERIAL_MCTRL_GPIO if GPIOLIB 1412 help 1413 This driver supports the MXS and Alphascale ASM9260 Application 1414 UART (AUART) port. 1415 1416config SERIAL_MXS_AUART_CONSOLE 1417 bool "MXS AUART console support" 1418 depends on SERIAL_MXS_AUART=y 1419 select SERIAL_CORE_CONSOLE 1420 help 1421 Enable a MXS AUART port to be the system console. 1422 1423config SERIAL_XILINX_PS_UART 1424 tristate "Cadence (Xilinx Zynq) UART support" 1425 depends on OF 1426 select SERIAL_CORE 1427 help 1428 This driver supports the Cadence UART. It is found e.g. in Xilinx 1429 Zynq. 1430 1431config SERIAL_XILINX_PS_UART_CONSOLE 1432 bool "Cadence UART console support" 1433 depends on SERIAL_XILINX_PS_UART=y 1434 select SERIAL_CORE_CONSOLE 1435 select SERIAL_EARLYCON 1436 help 1437 Enable a Cadence UART port to be the system console. 1438 1439config SERIAL_AR933X 1440 tristate "AR933X serial port support" 1441 depends on HAVE_CLK && SOC_AR933X 1442 select SERIAL_CORE 1443 help 1444 If you have an Atheros AR933X SOC based board and want to use the 1445 built-in UART of the SoC, say Y to this option. 1446 1447 To compile this driver as a module, choose M here: the 1448 module will be called ar933x_uart. 1449 1450config SERIAL_AR933X_CONSOLE 1451 bool "Console on AR933X serial port" 1452 depends on SERIAL_AR933X=y 1453 select SERIAL_CORE_CONSOLE 1454 help 1455 Enable a built-in UART port of the AR933X to be the system console. 1456 1457config SERIAL_AR933X_NR_UARTS 1458 int "Maximum number of AR933X serial ports" 1459 depends on SERIAL_AR933X 1460 default "2" 1461 help 1462 Set this to the number of serial ports you want the driver 1463 to support. 1464 1465config SERIAL_EFM32_UART 1466 tristate "EFM32 UART/USART port" 1467 depends on ARM && (ARCH_EFM32 || COMPILE_TEST) 1468 select SERIAL_CORE 1469 help 1470 This driver support the USART and UART ports on 1471 Energy Micro's efm32 SoCs. 1472 1473config SERIAL_MPS2_UART_CONSOLE 1474 bool "MPS2 UART console support" 1475 depends on SERIAL_MPS2_UART 1476 select SERIAL_CORE_CONSOLE 1477 select SERIAL_EARLYCON 1478 1479config SERIAL_MPS2_UART 1480 bool "MPS2 UART port" 1481 depends on ARCH_MPS2 || COMPILE_TEST 1482 select SERIAL_CORE 1483 help 1484 This driver support the UART ports on ARM MPS2. 1485 1486config SERIAL_EFM32_UART_CONSOLE 1487 bool "EFM32 UART/USART console support" 1488 depends on SERIAL_EFM32_UART=y 1489 select SERIAL_CORE_CONSOLE 1490 1491config SERIAL_TILEGX 1492 tristate "TILE-Gx on-chip serial port support" 1493 depends on TILEGX 1494 select TILE_GXIO_UART 1495 select SERIAL_CORE 1496 ---help--- 1497 This device provides access to the on-chip UARTs on the TILE-Gx 1498 processor. 1499 1500config SERIAL_ARC 1501 tristate "ARC UART driver support" 1502 select SERIAL_CORE 1503 help 1504 Driver for on-chip UART for ARC(Synopsys) for the legacy 1505 FPGA Boards (ML50x/ARCAngel4) 1506 1507config SERIAL_ARC_CONSOLE 1508 bool "Console on ARC UART" 1509 depends on SERIAL_ARC=y 1510 select SERIAL_CORE_CONSOLE 1511 select SERIAL_EARLYCON 1512 help 1513 Enable system Console on ARC UART 1514 1515config SERIAL_ARC_NR_PORTS 1516 int "Number of ARC UART ports" 1517 depends on SERIAL_ARC 1518 range 1 3 1519 default "1" 1520 help 1521 Set this to the number of serial ports you want the driver 1522 to support. 1523 1524config SERIAL_RP2 1525 tristate "Comtrol RocketPort EXPRESS/INFINITY support" 1526 depends on PCI 1527 select SERIAL_CORE 1528 help 1529 This driver supports the Comtrol RocketPort EXPRESS and 1530 RocketPort INFINITY families of PCI/PCIe multiport serial adapters. 1531 These adapters use a "RocketPort 2" ASIC that is not compatible 1532 with the original RocketPort driver (CONFIG_ROCKETPORT). 1533 1534 To compile this driver as a module, choose M here: the 1535 module will be called rp2. 1536 1537 If you want to compile this driver into the kernel, say Y here. If 1538 you don't have a suitable RocketPort card installed, say N. 1539 1540config SERIAL_RP2_NR_UARTS 1541 int "Maximum number of RocketPort EXPRESS/INFINITY ports" 1542 depends on SERIAL_RP2 1543 default "32" 1544 help 1545 If multiple cards are present, the default limit of 32 ports may 1546 need to be increased. 1547 1548config SERIAL_FSL_LPUART 1549 tristate "Freescale lpuart serial port support" 1550 depends on HAS_DMA 1551 select SERIAL_CORE 1552 help 1553 Support for the on-chip lpuart on some Freescale SOCs. 1554 1555config SERIAL_FSL_LPUART_CONSOLE 1556 bool "Console on Freescale lpuart serial port" 1557 depends on SERIAL_FSL_LPUART=y 1558 select SERIAL_CORE_CONSOLE 1559 select SERIAL_EARLYCON 1560 help 1561 If you have enabled the lpuart serial port on the Freescale SoCs, 1562 you can make it the console by answering Y to this option. 1563 1564config SERIAL_CONEXANT_DIGICOLOR 1565 tristate "Conexant Digicolor CX92xxx USART serial port support" 1566 depends on OF 1567 select SERIAL_CORE 1568 help 1569 Support for the on-chip USART on Conexant Digicolor SoCs. 1570 1571config SERIAL_CONEXANT_DIGICOLOR_CONSOLE 1572 bool "Console on Conexant Digicolor serial port" 1573 depends on SERIAL_CONEXANT_DIGICOLOR=y 1574 select SERIAL_CORE_CONSOLE 1575 help 1576 If you have enabled the USART serial port on Conexant Digicolor 1577 SoCs, you can make it the console by answering Y to this option. 1578 1579config SERIAL_ST_ASC 1580 tristate "ST ASC serial port support" 1581 select SERIAL_CORE 1582 depends on ARM || COMPILE_TEST 1583 help 1584 This driver is for the on-chip Asychronous Serial Controller on 1585 STMicroelectronics STi SoCs. 1586 ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality. 1587 It support all industry standard baud rates. 1588 1589 If unsure, say N. 1590 1591config SERIAL_ST_ASC_CONSOLE 1592 bool "Support for console on ST ASC" 1593 depends on SERIAL_ST_ASC=y 1594 select SERIAL_CORE_CONSOLE 1595 1596config SERIAL_MEN_Z135 1597 tristate "MEN 16z135 Support" 1598 select SERIAL_CORE 1599 depends on MCB 1600 help 1601 Say yes here to enable support for the MEN 16z135 High Speed UART IP-Core 1602 on a MCB carrier. 1603 1604 This driver can also be build as a module. If so, the module will be called 1605 men_z135_uart.ko 1606 1607config SERIAL_SPRD 1608 tristate "Support for Spreadtrum serial" 1609 depends on ARCH_SPRD 1610 select SERIAL_CORE 1611 help 1612 This enables the driver for the Spreadtrum's serial. 1613 1614config SERIAL_SPRD_CONSOLE 1615 bool "Spreadtrum UART console support" 1616 depends on SERIAL_SPRD=y 1617 select SERIAL_CORE_CONSOLE 1618 select SERIAL_EARLYCON 1619 help 1620 Support for early debug console using Spreadtrum's serial. This enables 1621 the console before standard serial driver is probed. This is enabled 1622 with "earlycon" on the kernel command line. The console is 1623 enabled when early_param is processed. 1624 1625config SERIAL_STM32 1626 tristate "STMicroelectronics STM32 serial port support" 1627 select SERIAL_CORE 1628 depends on ARM || COMPILE_TEST 1629 help 1630 This driver is for the on-chip Serial Controller on 1631 STMicroelectronics STM32 MCUs. 1632 USART supports Rx & Tx functionality. 1633 It support all industry standard baud rates. 1634 1635 If unsure, say N. 1636 1637config SERIAL_STM32_CONSOLE 1638 bool "Support for console on STM32" 1639 depends on SERIAL_STM32=y 1640 select SERIAL_CORE_CONSOLE 1641 1642config SERIAL_MVEBU_UART 1643 bool "Marvell EBU serial port support" 1644 depends on ARCH_MVEBU || COMPILE_TEST 1645 select SERIAL_CORE 1646 help 1647 This driver is for Marvell EBU SoC's UART. If you have a machine 1648 based on the Armada-3700 SoC and wish to use the on-board serial 1649 port, 1650 say 'Y' here. 1651 Otherwise, say 'N'. 1652 1653config SERIAL_MVEBU_CONSOLE 1654 bool "Console on Marvell EBU serial port" 1655 depends on SERIAL_MVEBU_UART 1656 select SERIAL_CORE_CONSOLE 1657 select SERIAL_EARLYCON 1658 default y 1659 help 1660 Say 'Y' here if you wish to use Armada-3700 UART as the system console. 1661 (the system console is the device which receives all kernel messages 1662 and warnings and which allows logins in single user mode) 1663 Otherwise, say 'N'. 1664 1665endmenu 1666 1667config SERIAL_MCTRL_GPIO 1668 tristate 1669 1670endif # TTY 1671