10b11dbf7SMasahiro Yamada# 20b11dbf7SMasahiro Yamada# Serial device configuration 30b11dbf7SMasahiro Yamada# 40b11dbf7SMasahiro Yamada 50b11dbf7SMasahiro Yamadamenu "Serial drivers" 60b11dbf7SMasahiro Yamada 7f40574e2SPhilipp Tomsichconfig BAUDRATE 8f40574e2SPhilipp Tomsich int "Default baudrate" 9f40574e2SPhilipp Tomsich default 115200 10f40574e2SPhilipp Tomsich help 11f40574e2SPhilipp Tomsich Select a default baudrate, where "default" has a driver-specific 12f40574e2SPhilipp Tomsich meaning of either setting the baudrate for the early debug UART 13f40574e2SPhilipp Tomsich in the SPL stage (most drivers) or for choosing a default baudrate 14f40574e2SPhilipp Tomsich in the absence of an environment setting (serial_mxc.c). 15f40574e2SPhilipp Tomsich 168c458588SHans de Goedeconfig REQUIRE_SERIAL_CONSOLE 178c458588SHans de Goede bool "Require a serial port for console" 188c458588SHans de Goede # Running without a serial console is not supported by the 198c458588SHans de Goede # non-dm serial code 208c458588SHans de Goede depends on DM_SERIAL 218c458588SHans de Goede default y 228c458588SHans de Goede help 238c458588SHans de Goede Require a serial port for the console, and panic if none is found 248c458588SHans de Goede during serial port initialization (default y). Set this to n on 258c458588SHans de Goede boards which have no debug serial port whatsoever. 268c458588SHans de Goede 2792c55b68SSimon Glassconfig SERIAL_PRESENT 2892c55b68SSimon Glass bool "Provide a serial driver" 2992c55b68SSimon Glass depends on DM_SERIAL 3092c55b68SSimon Glass default y 3192c55b68SSimon Glass help 3292c55b68SSimon Glass In very space-constrained devices even the full UART driver is too 3392c55b68SSimon Glass large. In this case the debug UART can still be used in some cases. 3492c55b68SSimon Glass This option enables the full UART in U-Boot, so if is it disabled, 3592c55b68SSimon Glass the full UART driver will be omitted, thus saving space. 3692c55b68SSimon Glass 3792c55b68SSimon Glassconfig SPL_SERIAL_PRESENT 3892c55b68SSimon Glass bool "Provide a serial driver in SPL" 3992c55b68SSimon Glass depends on DM_SERIAL 4092c55b68SSimon Glass default y 4192c55b68SSimon Glass help 4292c55b68SSimon Glass In very space-constrained devices even the full UART driver is too 4392c55b68SSimon Glass large. In this case the debug UART can still be used in some cases. 4492c55b68SSimon Glass This option enables the full UART in SPL, so if is it disabled, 4592c55b68SSimon Glass the full UART driver will be omitted, thus saving space. 4692c55b68SSimon Glass 477095f864SMylène Josserandconfig CONS_INDEX 487095f864SMylène Josserand int "UART used for console" 497095f864SMylène Josserand depends on ARCH_SUNXI 507095f864SMylène Josserand default 2 if MACH_SUN5I 51e8f86a02SIcenowy Zheng default 5 if MACH_SUN8I_A23 || MACH_SUN8I_A33 527095f864SMylène Josserand default 1 537095f864SMylène Josserand help 547095f864SMylène Josserand Configures the console index. 55e8f86a02SIcenowy Zheng For Allwinner SoC., default values are 2 for SUN5I and 5 for A23/A33. 567095f864SMylène Josserand Otherwise, the index equals 1. 577095f864SMylène Josserand 58da333ae7SMasahiro Yamadaconfig DM_SERIAL 59da333ae7SMasahiro Yamada bool "Enable Driver Model for serial drivers" 60da333ae7SMasahiro Yamada depends on DM 61da333ae7SMasahiro Yamada help 62f94a1bedSSimon Glass Enable driver model for serial. This replaces 63f94a1bedSSimon Glass drivers/serial/serial.c with the serial uclass, which 64f94a1bedSSimon Glass implements serial_putc() etc. The uclass interface is 65f94a1bedSSimon Glass defined in include/serial.h. 66ff247b7aSMasahiro Yamada 67891f7ae6SSimon Glassconfig SPL_DM_SERIAL 680424990cSHeiko Schocher bool "Enable Driver Model for serial drivers in SPL" 69891f7ae6SSimon Glass depends on DM_SERIAL 70891f7ae6SSimon Glass default y if SPL && DM_SERIAL 71891f7ae6SSimon Glass help 72891f7ae6SSimon Glass Enable driver model for serial in SPL. This replaces 73891f7ae6SSimon Glass drivers/serial/serial.c with the serial uclass, which 74891f7ae6SSimon Glass implements serial_putc() etc. The uclass interface is 75891f7ae6SSimon Glass defined in include/serial.h. 76891f7ae6SSimon Glass 77891f7ae6SSimon Glassconfig TPL_DM_SERIAL 780424990cSHeiko Schocher bool "Enable Driver Model for serial drivers in TPL" 79891f7ae6SSimon Glass depends on DM_SERIAL 80891f7ae6SSimon Glass default y if TPL && DM_SERIAL 81891f7ae6SSimon Glass help 82891f7ae6SSimon Glass Enable driver model for serial in TPL. This replaces 83891f7ae6SSimon Glass drivers/serial/serial.c with the serial uclass, which 84891f7ae6SSimon Glass implements serial_putc() etc. The uclass interface is 85891f7ae6SSimon Glass defined in include/serial.h. 86891f7ae6SSimon Glass 872f964aa7SSimon Glassconfig DEBUG_UART 882f964aa7SSimon Glass bool "Enable an early debug UART for debugging" 892f964aa7SSimon Glass help 902f964aa7SSimon Glass The debug UART is intended for use very early in U-Boot to debug 912f964aa7SSimon Glass problems when an ICE or other debug mechanism is not available. 922f964aa7SSimon Glass 932f964aa7SSimon Glass To use it you should: 942f964aa7SSimon Glass - Make sure your UART supports this interface 952f964aa7SSimon Glass - Enable CONFIG_DEBUG_UART 962f964aa7SSimon Glass - Enable the CONFIG for your UART to tell it to provide this interface 972f964aa7SSimon Glass (e.g. CONFIG_DEBUG_UART_NS16550) 982f964aa7SSimon Glass - Define the required settings as needed (see below) 992f964aa7SSimon Glass - Call debug_uart_init() before use 1002f964aa7SSimon Glass - Call debug_uart_putc() to output a character 1012f964aa7SSimon Glass 1022f964aa7SSimon Glass Depending on your platform it may be possible to use this UART before 1032f964aa7SSimon Glass a stack is available. 1042f964aa7SSimon Glass 1052f964aa7SSimon Glass If your UART does not support this interface you can probably add 1062f964aa7SSimon Glass support quite easily. Remember that you cannot use driver model and 1072f964aa7SSimon Glass it is preferred to use no stack. 1082f964aa7SSimon Glass 1092f964aa7SSimon Glass You must not use this UART once driver model is working and the 1102f964aa7SSimon Glass serial drivers are up and running (done in serial_init()). Otherwise 1112f964aa7SSimon Glass the drivers may conflict and you will get strange output. 1122f964aa7SSimon Glass 11321d00436SSimon Glasschoice 11421d00436SSimon Glass prompt "Select which UART will provide the debug UART" 11521d00436SSimon Glass depends on DEBUG_UART 116b1e361b6SThomas Chou default DEBUG_UART_NS16550 11721d00436SSimon Glass 118220e8021SThomas Chouconfig DEBUG_UART_ALTERA_JTAGUART 119220e8021SThomas Chou bool "Altera JTAG UART" 120220e8021SThomas Chou help 121220e8021SThomas Chou Select this to enable a debug UART using the altera_jtag_uart driver. 122220e8021SThomas Chou You will need to provide parameters to make this work. The driver will 123220e8021SThomas Chou be available until the real driver model serial is running. 124220e8021SThomas Chou 125da2f838dSThomas Chouconfig DEBUG_UART_ALTERA_UART 126da2f838dSThomas Chou bool "Altera UART" 127da2f838dSThomas Chou help 128da2f838dSThomas Chou Select this to enable a debug UART using the altera_uart driver. 129da2f838dSThomas Chou You will need to provide parameters to make this work. The driver will 130da2f838dSThomas Chou be available until the real driver model serial is running. 131da2f838dSThomas Chou 13260b49761SWills Wangconfig DEBUG_UART_AR933X 13360b49761SWills Wang bool "QCA/Atheros ar933x" 13460b49761SWills Wang depends on AR933X_UART 13560b49761SWills Wang help 13660b49761SWills Wang Select this to enable a debug UART using the ar933x uart driver. 13760b49761SWills Wang You will need to provide parameters to make this work. The 13860b49761SWills Wang driver will be available until the real driver model serial is 13960b49761SWills Wang running. 14060b49761SWills Wang 141998cf3c2SWenyou Yangconfig DEBUG_UART_ATMEL 142998cf3c2SWenyou Yang bool "Atmel USART" 143998cf3c2SWenyou Yang help 144998cf3c2SWenyou Yang Select this to enable a debug UART using the atmel usart driver. You 145998cf3c2SWenyou Yang will need to provide parameters to make this work. The driver will 146998cf3c2SWenyou Yang be available until the real driver-model serial is running. 147998cf3c2SWenyou Yang 14830581040SÁlvaro Fernández Rojasconfig DEBUG_UART_BCM6345 14930581040SÁlvaro Fernández Rojas bool "BCM6345 UART" 15030581040SÁlvaro Fernández Rojas depends on BCM6345_SERIAL 15130581040SÁlvaro Fernández Rojas help 15230581040SÁlvaro Fernández Rojas Select this to enable a debug UART on BCM6345 SoCs. You 15330581040SÁlvaro Fernández Rojas will need to provide parameters to make this work. The driver will 15430581040SÁlvaro Fernández Rojas be available until the real driver model serial is running. 15530581040SÁlvaro Fernández Rojas 15621d00436SSimon Glassconfig DEBUG_UART_NS16550 15721d00436SSimon Glass bool "ns16550" 15821d00436SSimon Glass help 15921d00436SSimon Glass Select this to enable a debug UART using the ns16550 driver. You 16021d00436SSimon Glass will need to provide parameters to make this work. The driver will 16121d00436SSimon Glass be available until the real driver model serial is running. 16221d00436SSimon Glass 163275854baSSimon Glassconfig DEBUG_EFI_CONSOLE 164275854baSSimon Glass bool "EFI" 165275854baSSimon Glass depends on EFI_APP 166275854baSSimon Glass help 167275854baSSimon Glass Select this to enable a debug console which calls back to EFI to 168275854baSSimon Glass output to the console. This can be useful for early debugging of 169275854baSSimon Glass U-Boot when running on top of EFI (Extensive Firmware Interface). 170275854baSSimon Glass This is a type of BIOS used by PCs. 171275854baSSimon Glass 172bf6e7022SSimon Glassconfig DEBUG_UART_S5P 173bf6e7022SSimon Glass bool "Samsung S5P" 174bf6e7022SSimon Glass help 175bf6e7022SSimon Glass Select this to enable a debug UART using the serial_s5p driver. You 176bf6e7022SSimon Glass will need to provide parameters to make this work. The driver will 177bf6e7022SSimon Glass be available until the real driver-model serial is running. 178bf6e7022SSimon Glass 179bfcef28aSBeniamino Galvaniconfig DEBUG_UART_MESON 180bfcef28aSBeniamino Galvani bool "Amlogic Meson" 181bfcef28aSBeniamino Galvani depends on MESON_SERIAL 182bfcef28aSBeniamino Galvani help 183bfcef28aSBeniamino Galvani Select this to enable a debug UART using the serial_meson driver. You 184bfcef28aSBeniamino Galvani will need to provide parameters to make this work. The driver will 185bfcef28aSBeniamino Galvani be available until the real driver-model serial is running. 186bfcef28aSBeniamino Galvani 1874166ba3bSMichal Simekconfig DEBUG_UART_UARTLITE 1884166ba3bSMichal Simek bool "Xilinx Uartlite" 1894166ba3bSMichal Simek help 1904166ba3bSMichal Simek Select this to enable a debug UART using the serial_uartlite driver. 1914166ba3bSMichal Simek You will need to provide parameters to make this work. The driver will 1924166ba3bSMichal Simek be available until the real driver-model serial is running. 1934166ba3bSMichal Simek 194966bfa73SMichal Simekconfig DEBUG_UART_ARM_DCC 195966bfa73SMichal Simek bool "ARM DCC" 196966bfa73SMichal Simek help 197966bfa73SMichal Simek Select this to enable a debug UART using the ARM JTAG DCC port. 198966bfa73SMichal Simek The DCC port can be used for very early debugging and doesn't require 199966bfa73SMichal Simek any additional setting like address/baudrate/clock. On systems without 200966bfa73SMichal Simek any serial interface this is the easiest way how to get console. 201966bfa73SMichal Simek Every ARM core has own DCC port which is the part of debug interface. 202966bfa73SMichal Simek This port is available at least on ARMv6, ARMv7, ARMv8 and XScale 203966bfa73SMichal Simek architectures. 204966bfa73SMichal Simek 2056985d496SStefan Roeseconfig DEBUG_MVEBU_A3700_UART 2066985d496SStefan Roese bool "Marvell Armada 3700" 2076985d496SStefan Roese help 2086985d496SStefan Roese Select this to enable a debug UART using the serial_mvebu driver. You 2096985d496SStefan Roese will need to provide parameters to make this work. The driver will 2106985d496SStefan Roese be available until the real driver-model serial is running. 2116985d496SStefan Roese 212c54c0a4cSSimon Glassconfig DEBUG_UART_ZYNQ 213c54c0a4cSSimon Glass bool "Xilinx Zynq" 214c54c0a4cSSimon Glass help 2156bf87dacSMichal Simek Select this to enable a debug UART using the serial_zynq driver. You 216c54c0a4cSSimon Glass will need to provide parameters to make this work. The driver will 217c54c0a4cSSimon Glass be available until the real driver-model serial is running. 218c54c0a4cSSimon Glass 219e43ce3fcSFrancois Retiefconfig DEBUG_UART_APBUART 220e43ce3fcSFrancois Retief depends on LEON3 221e43ce3fcSFrancois Retief bool "Gaisler APBUART" 222e43ce3fcSFrancois Retief help 223e43ce3fcSFrancois Retief Select this to enable a debug UART using the serial_leon3 driver. You 224e43ce3fcSFrancois Retief will need to provide parameters to make this work. The driver will 225e43ce3fcSFrancois Retief be available until the real driver model serial is running. 226e43ce3fcSFrancois Retief 22719de8150SSergey Temerkhanovconfig DEBUG_UART_PL010 22819de8150SSergey Temerkhanov bool "pl010" 22919de8150SSergey Temerkhanov help 23019de8150SSergey Temerkhanov Select this to enable a debug UART using the pl01x driver with the 23119de8150SSergey Temerkhanov PL010 UART type. You will need to provide parameters to make this 23219de8150SSergey Temerkhanov work. The driver will be available until the real driver model 23319de8150SSergey Temerkhanov serial is running. 23419de8150SSergey Temerkhanov 23519de8150SSergey Temerkhanovconfig DEBUG_UART_PL011 23619de8150SSergey Temerkhanov bool "pl011" 23719de8150SSergey Temerkhanov help 23819de8150SSergey Temerkhanov Select this to enable a debug UART using the pl01x driver with the 23919de8150SSergey Temerkhanov PL011 UART type. You will need to provide parameters to make this 24019de8150SSergey Temerkhanov work. The driver will be available until the real driver model 24119de8150SSergey Temerkhanov serial is running. 24219de8150SSergey Temerkhanov 2439e160ee8SPaul Thackerconfig DEBUG_UART_PIC32 2449e160ee8SPaul Thacker bool "Microchip PIC32" 2459e160ee8SPaul Thacker depends on PIC32_SERIAL 2469e160ee8SPaul Thacker help 2479e160ee8SPaul Thacker Select this to enable a debug UART using the serial_pic32 driver. You 2489e160ee8SPaul Thacker will need to provide parameters to make this work. The driver will 2499e160ee8SPaul Thacker be available until the real driver model serial is running. 2509e160ee8SPaul Thacker 251*61366b71SJagan Tekiconfig DEBUG_UART_MXC 252*61366b71SJagan Teki bool "IMX Serial port" 253*61366b71SJagan Teki depends on MXC_UART 254*61366b71SJagan Teki help 255*61366b71SJagan Teki Select this to enable a debug UART using the serial_mxc driver. You 256*61366b71SJagan Teki will need to provide parameters to make this work. The driver will 257*61366b71SJagan Teki be available until the real driver model serial is running. 258*61366b71SJagan Teki 259d5cf3297SMasahiro Yamadaconfig DEBUG_UART_UNIPHIER 260d5cf3297SMasahiro Yamada bool "UniPhier on-chip UART" 261d5cf3297SMasahiro Yamada depends on ARCH_UNIPHIER 262d5cf3297SMasahiro Yamada help 263d5cf3297SMasahiro Yamada Select this to enable a debug UART using the UniPhier on-chip UART. 264d5cf3297SMasahiro Yamada You will need to provide DEBUG_UART_BASE to make this work. The 265d5cf3297SMasahiro Yamada driver will be available until the real driver-model serial is 266d5cf3297SMasahiro Yamada running. 267d5cf3297SMasahiro Yamada 268a52cf086SLokesh Vutlaconfig DEBUG_UART_OMAP 269a52cf086SLokesh Vutla bool "OMAP uart" 270a52cf086SLokesh Vutla help 271a52cf086SLokesh Vutla Select this to enable a debug UART using the omap ns16550 driver. 272a52cf086SLokesh Vutla You will need to provide parameters to make this work. The driver 273a52cf086SLokesh Vutla will be available until the real driver model serial is running. 274a52cf086SLokesh Vutla 27521d00436SSimon Glassendchoice 27621d00436SSimon Glass 2772f964aa7SSimon Glassconfig DEBUG_UART_BASE 2782f964aa7SSimon Glass hex "Base address of UART" 2792f964aa7SSimon Glass depends on DEBUG_UART 2802f964aa7SSimon Glass help 2812f964aa7SSimon Glass This is the base address of your UART for memory-mapped UARTs. 2822f964aa7SSimon Glass 2832f964aa7SSimon Glass A default should be provided by your board, but if not you will need 2842f964aa7SSimon Glass to use the correct value here. 2852f964aa7SSimon Glass 2862f964aa7SSimon Glassconfig DEBUG_UART_CLOCK 2872f964aa7SSimon Glass int "UART input clock" 2882f964aa7SSimon Glass depends on DEBUG_UART 2892f964aa7SSimon Glass help 2902f964aa7SSimon Glass The UART input clock determines the speed of the internal UART 2912f964aa7SSimon Glass circuitry. The baud rate is derived from this by dividing the input 2922f964aa7SSimon Glass clock down. 2932f964aa7SSimon Glass 2942f964aa7SSimon Glass A default should be provided by your board, but if not you will need 2952f964aa7SSimon Glass to use the correct value here. 2962f964aa7SSimon Glass 297dd0b0122SSimon Glassconfig DEBUG_UART_SHIFT 298dd0b0122SSimon Glass int "UART register shift" 299dd0b0122SSimon Glass depends on DEBUG_UART 300dd0b0122SSimon Glass default 0 if DEBUG_UART 301dd0b0122SSimon Glass help 302dd0b0122SSimon Glass Some UARTs (notably ns16550) support different register layouts 303dd0b0122SSimon Glass where the registers are spaced either as bytes, words or some other 304dd0b0122SSimon Glass value. Use this value to specify the shift to use, where 0=byte 305dd0b0122SSimon Glass registers, 2=32-bit word registers, etc. 306dd0b0122SSimon Glass 3070e977bc1SSimon Glassconfig DEBUG_UART_BOARD_INIT 3080e977bc1SSimon Glass bool "Enable board-specific debug UART init" 3090e977bc1SSimon Glass depends on DEBUG_UART 3100e977bc1SSimon Glass help 3110e977bc1SSimon Glass Some boards need to set things up before the debug UART can be used. 3120e977bc1SSimon Glass On these boards a call to debug_uart_init() is insufficient. When 3130e977bc1SSimon Glass this option is enabled, the function board_debug_uart_init() will 3140e977bc1SSimon Glass be called when debug_uart_init() is called. You can put any code 3150e977bc1SSimon Glass here that is needed to set up the UART ready for use, such as set 3160e977bc1SSimon Glass pin multiplexing or enable clocks. 3170e977bc1SSimon Glass 318c7fefcb9SSimon Glassconfig DEBUG_UART_ANNOUNCE 319c7fefcb9SSimon Glass bool "Show a message when the debug UART starts up" 320c7fefcb9SSimon Glass depends on DEBUG_UART 321c7fefcb9SSimon Glass help 322c7fefcb9SSimon Glass Enable this option to show a message when the debug UART is ready 323c7fefcb9SSimon Glass for use. You will see a message like "<debug_uart> " as soon as 324c7fefcb9SSimon Glass U-Boot has the UART ready for use (i.e. your code calls 325c7fefcb9SSimon Glass debug_uart_init()). This can be useful just as a check that 326c7fefcb9SSimon Glass everything is working. 327c7fefcb9SSimon Glass 32819de8150SSergey Temerkhanovconfig DEBUG_UART_SKIP_INIT 32919de8150SSergey Temerkhanov bool "Skip UART initialization" 33019de8150SSergey Temerkhanov help 33119de8150SSergey Temerkhanov Select this if the UART you want to use for debug output is already 33219de8150SSergey Temerkhanov initialized by the time U-Boot starts its execution. 33319de8150SSergey Temerkhanov 334220e8021SThomas Chouconfig ALTERA_JTAG_UART 335220e8021SThomas Chou bool "Altera JTAG UART support" 336220e8021SThomas Chou depends on DM_SERIAL 337220e8021SThomas Chou help 338220e8021SThomas Chou Select this to enable an JTAG UART for Altera devices.The JTAG UART 339220e8021SThomas Chou core implements a method to communicate serial character streams 340220e8021SThomas Chou between a host PC and a Qsys system on an Altera FPGA. Please find 341220e8021SThomas Chou details on the "Embedded Peripherals IP User Guide" of Altera. 342220e8021SThomas Chou 343220e8021SThomas Chouconfig ALTERA_JTAG_UART_BYPASS 344220e8021SThomas Chou bool "Bypass output when no connection" 345220e8021SThomas Chou depends on ALTERA_JTAG_UART 346220e8021SThomas Chou help 347220e8021SThomas Chou Bypass console output and keep going even if there is no JTAG 348220e8021SThomas Chou terminal connection with the host. The console output will resume 349220e8021SThomas Chou once the JTAG terminal is connected. Without the bypass, the console 350220e8021SThomas Chou output will wait forever until a JTAG terminal is connected. If you 351220e8021SThomas Chou not are sure, say Y. 352220e8021SThomas Chou 353da2f838dSThomas Chouconfig ALTERA_UART 354da2f838dSThomas Chou bool "Altera UART support" 355da2f838dSThomas Chou depends on DM_SERIAL 356da2f838dSThomas Chou help 357da2f838dSThomas Chou Select this to enable an UART for Altera devices. Please find 358da2f838dSThomas Chou details on the "Embedded Peripherals IP User Guide" of Altera. 359da2f838dSThomas Chou 36060b49761SWills Wangconfig AR933X_UART 36160b49761SWills Wang bool "QCA/Atheros ar933x UART support" 36260b49761SWills Wang depends on DM_SERIAL && SOC_AR933X 36360b49761SWills Wang help 36460b49761SWills Wang Select this to enable UART support for QCA/Atheros ar933x 36560b49761SWills Wang devices. This driver uses driver model and requires a device 36660b49761SWills Wang tree binding to operate, please refer to the document at 36760b49761SWills Wang doc/device-tree-bindings/serial/qca,ar9330-uart.txt. 36860b49761SWills Wang 3696ec739aaSWenyou Yangconfig ATMEL_USART 3706ec739aaSWenyou Yang bool "Atmel USART support" 3716ec739aaSWenyou Yang help 3726ec739aaSWenyou Yang Select this to enable USART support for Atmel SoCs. It can be 3736ec739aaSWenyou Yang configured in the device tree, and input clock frequency can 3746ec739aaSWenyou Yang be got from the clk node. 3756ec739aaSWenyou Yang 37630581040SÁlvaro Fernández Rojasconfig BCM6345_SERIAL 37730581040SÁlvaro Fernández Rojas bool "Support for BCM6345 UART" 37830581040SÁlvaro Fernández Rojas depends on DM_SERIAL && ARCH_BMIPS 37930581040SÁlvaro Fernández Rojas help 38030581040SÁlvaro Fernández Rojas Select this to enable UART on BCM6345 SoCs. 38130581040SÁlvaro Fernández Rojas 3825ed07cf5SBin Mengconfig FSL_LPUART 3835ed07cf5SBin Meng bool "Freescale LPUART support" 3845ed07cf5SBin Meng help 3855ed07cf5SBin Meng Select this to enable a Low Power UART for Freescale VF610 and 3865ed07cf5SBin Meng QorIQ Layerscape devices. 3875ed07cf5SBin Meng 3886985d496SStefan Roeseconfig MVEBU_A3700_UART 3896985d496SStefan Roese bool "UART support for Armada 3700" 3906985d496SStefan Roese default n 3916985d496SStefan Roese help 3926985d496SStefan Roese Choose this option to add support for UART driver on the Marvell 3936985d496SStefan Roese Armada 3700 SoC. The base address is configured via DT. 3946985d496SStefan Roese 3958829e662SJagan Tekiconfig MXC_UART 3968829e662SJagan Teki bool "IMX serial port support" 39798d62e61SPatrick Bruenn depends on MX5 || MX6 3988829e662SJagan Teki help 3998829e662SJagan Teki If you have a machine based on a Motorola IMX CPU you 4008829e662SJagan Teki can enable its onboard serial port by enabling this option. 4018829e662SJagan Teki 4029e160ee8SPaul Thackerconfig PIC32_SERIAL 4039e160ee8SPaul Thacker bool "Support for Microchip PIC32 on-chip UART" 4049e160ee8SPaul Thacker depends on DM_SERIAL && MACH_PIC32 4059e160ee8SPaul Thacker default y 4069e160ee8SPaul Thacker help 4079e160ee8SPaul Thacker Support for the UART found on Microchip PIC32 SoC's. 4089e160ee8SPaul Thacker 4099e39003eSThomas Chouconfig SYS_NS16550 4109e39003eSThomas Chou bool "NS16550 UART or compatible" 4119e39003eSThomas Chou help 4129e39003eSThomas Chou Support NS16550 UART or compatible. This can be enabled in the 4139e39003eSThomas Chou device tree with the correct input clock frequency. If the input 4149e39003eSThomas Chou clock frequency is not defined in the device tree, the macro 4159e39003eSThomas Chou CONFIG_SYS_NS16550_CLK defined in a legacy board header file will 4169e39003eSThomas Chou be used. It can be a constant or a function to get clock, eg, 4179e39003eSThomas Chou get_serial_clock(). 4189e39003eSThomas Chou 419c5f8dd48SAndy Shevchenkoconfig INTEL_MID_SERIAL 420c5f8dd48SAndy Shevchenko bool "Intel MID platform UART support" 421c5f8dd48SAndy Shevchenko depends on DM_SERIAL && OF_CONTROL 422c5f8dd48SAndy Shevchenko depends on INTEL_MID 423c5f8dd48SAndy Shevchenko select SYS_NS16550 424c5f8dd48SAndy Shevchenko help 425c5f8dd48SAndy Shevchenko Select this to enable a UART for Intel MID platforms. 426c5f8dd48SAndy Shevchenko This uses the ns16550 driver as a library. 427c5f8dd48SAndy Shevchenko 4282fc24d53SSimon Glassconfig ROCKCHIP_SERIAL 4292fc24d53SSimon Glass bool "Rockchip on-chip UART support" 4302fc24d53SSimon Glass depends on DM_SERIAL && SPL_OF_PLATDATA 4312fc24d53SSimon Glass help 4322fc24d53SSimon Glass Select this to enable a debug UART for Rockchip devices when using 4337f73ca48STom Rini CONFIG_SPL_OF_PLATDATA (i.e. a compiled-in device tree replacemenmt). 4342fc24d53SSimon Glass This uses the ns16550 driver, converting the platdata from of-platdata 4352fc24d53SSimon Glass to the ns16550 format. 4362fc24d53SSimon Glass 437af282245SSimon Glassconfig SANDBOX_SERIAL 438af282245SSimon Glass bool "Sandbox UART support" 4392ea65f3eSMasahiro Yamada depends on SANDBOX 440af282245SSimon Glass help 441af282245SSimon Glass Select this to enable a seral UART for sandbox. This is required to 442af282245SSimon Glass operate correctly, otherwise you will see no serial output from 443af282245SSimon Glass sandbox. The emulated UART will display to the console and console 444af282245SSimon Glass input will be fed into the UART. This allows you to interact with 445af282245SSimon Glass U-Boot. 446af282245SSimon Glass 447af282245SSimon Glass The operation of the console is controlled by the -t command-line 448af282245SSimon Glass flag. In raw mode, U-Boot sees all characters from the terminal 449af282245SSimon Glass before they are processed, including Ctrl-C. In cooked mode, Ctrl-C 450af282245SSimon Glass is processed by the terminal, and terminates U-Boot. Valid options 451af282245SSimon Glass are: 452af282245SSimon Glass 453af282245SSimon Glass -t raw-with-sigs Raw mode, Ctrl-C will terminate U-Boot 454af282245SSimon Glass -t raw Raw mode, Ctrl-C is processed by U-Boot 455af282245SSimon Glass -t cooked Cooked mode, Ctrl-C terminates 456af282245SSimon Glass 457ff247b7aSMasahiro Yamadaconfig UNIPHIER_SERIAL 458b6ef3a3fSMasahiro Yamada bool "Support for UniPhier on-chip UART" 4592ea65f3eSMasahiro Yamada depends on ARCH_UNIPHIER 46085dc2fe1SMasahiro Yamada default y 461ff247b7aSMasahiro Yamada help 462b6ef3a3fSMasahiro Yamada If you have a UniPhier based board and want to use the on-chip 463b6ef3a3fSMasahiro Yamada serial ports, say Y to this option. If unsure, say N. 464dcfe4a54SSimon Glass 46554e24d33SMichal Simekconfig XILINX_UARTLITE 46654e24d33SMichal Simek bool "Xilinx Uarlite support" 46780cce262SRicardo Ribalda Delgado depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || 4xx) 46854e24d33SMichal Simek help 46954e24d33SMichal Simek If you have a Xilinx based board and want to use the uartlite 47054e24d33SMichal Simek serial ports, say Y to this option. If unsure, say N. 47154e24d33SMichal Simek 472bfcef28aSBeniamino Galvaniconfig MESON_SERIAL 473bfcef28aSBeniamino Galvani bool "Support for Amlogic Meson UART" 474bfcef28aSBeniamino Galvani depends on DM_SERIAL && ARCH_MESON 475bfcef28aSBeniamino Galvani help 476bfcef28aSBeniamino Galvani If you have an Amlogic Meson based board and want to use the on-chip 477bfcef28aSBeniamino Galvani serial ports, say Y to this option. If unsure, say N. 478bfcef28aSBeniamino Galvani 479142a20c3SMateusz Kulikowskiconfig MSM_SERIAL 480142a20c3SMateusz Kulikowski bool "Qualcomm on-chip UART" 481142a20c3SMateusz Kulikowski depends on DM_SERIAL 482142a20c3SMateusz Kulikowski help 483142a20c3SMateusz Kulikowski Support Data Mover UART used on Qualcomm Snapdragon SoCs. 484142a20c3SMateusz Kulikowski It should support all Qualcomm devices with UARTDM version 1.4, 485142a20c3SMateusz Kulikowski for example APQ8016 and MSM8916. 486142a20c3SMateusz Kulikowski Single baudrate is supported in current implementation (115200). 4876985d496SStefan Roese 488d804a5e1SMarcel Ziswilerconfig PXA_SERIAL 489d804a5e1SMarcel Ziswiler bool "PXA serial port support" 490d804a5e1SMarcel Ziswiler help 491d804a5e1SMarcel Ziswiler If you have a machine based on a Marvell XScale PXA2xx CPU you 492d804a5e1SMarcel Ziswiler can enable its onboard serial ports by enabling this option. 493d804a5e1SMarcel Ziswiler 494214a17e6SPatrice Chotardconfig STI_ASC_SERIAL 495214a17e6SPatrice Chotard bool "STMicroelectronics on-chip UART" 496214a17e6SPatrice Chotard depends on DM_SERIAL && ARCH_STI 497214a17e6SPatrice Chotard help 498214a17e6SPatrice Chotard Select this to enable Asynchronous Serial Controller available 499214a17e6SPatrice Chotard on STiH410 SoC. This is a basic implementation, it supports 500214a17e6SPatrice Chotard following baudrate 9600, 19200, 38400, 57600 and 115200. 501214a17e6SPatrice Chotard 502dd7ff472SChristophe Leroyconfig MPC8XX_CONS 503dd7ff472SChristophe Leroy bool "Console driver for MPC8XX" 504dd7ff472SChristophe Leroy depends on 8xx 505dd7ff472SChristophe Leroy default y 506dd7ff472SChristophe Leroy 507dd7ff472SChristophe Leroychoice 508dd7ff472SChristophe Leroy prompt "Console port" 509dd7ff472SChristophe Leroy default 8xx_CONS_SMC1 510dd7ff472SChristophe Leroy depends on MPC8XX_CONS 511dd7ff472SChristophe Leroy help 512dd7ff472SChristophe Leroy Depending on board, select one serial port 513dd7ff472SChristophe Leroy (CONFIG_8xx_CONS_SMC1 or CONFIG_8xx_CONS_SMC2) 514dd7ff472SChristophe Leroy 515dd7ff472SChristophe Leroyconfig 8xx_CONS_SMC1 516dd7ff472SChristophe Leroy bool "SMC1" 517dd7ff472SChristophe Leroy 518dd7ff472SChristophe Leroyconfig 8xx_CONS_SMC2 519dd7ff472SChristophe Leroy bool "SMC2" 520dd7ff472SChristophe Leroy 521dd7ff472SChristophe Leroyendchoice 522dd7ff472SChristophe Leroy 523dd7ff472SChristophe Leroyconfig SYS_SMC_RXBUFLEN 524dd7ff472SChristophe Leroy int "Console Rx buffer length" 525dd7ff472SChristophe Leroy depends on MPC8XX_CONS 526dd7ff472SChristophe Leroy default 1 527dd7ff472SChristophe Leroy help 528dd7ff472SChristophe Leroy With CONFIG_SYS_SMC_RXBUFLEN it is possible to define 529dd7ff472SChristophe Leroy the maximum receive buffer length for the SMC. 530dd7ff472SChristophe Leroy This option is actual only for 8xx possible. 531dd7ff472SChristophe Leroy If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE 532dd7ff472SChristophe Leroy must be defined, to setup the maximum idle timeout for 533dd7ff472SChristophe Leroy the SMC. 534dd7ff472SChristophe Leroy 535dd7ff472SChristophe Leroyconfig SYS_MAXIDLE 536dd7ff472SChristophe Leroy int "maximum idle timeout" 537dd7ff472SChristophe Leroy depends on MPC8XX_CONS 538dd7ff472SChristophe Leroy default 0 539dd7ff472SChristophe Leroy 540dd7ff472SChristophe Leroyconfig SYS_BRGCLK_PRESCALE 541dd7ff472SChristophe Leroy int "BRG Clock Prescale" 542dd7ff472SChristophe Leroy depends on MPC8XX_CONS 543dd7ff472SChristophe Leroy default 1 544dd7ff472SChristophe Leroy 545dd7ff472SChristophe Leroyconfig SYS_SDSR 546dd7ff472SChristophe Leroy hex "SDSR Value" 547dd7ff472SChristophe Leroy depends on MPC8XX_CONS 548dd7ff472SChristophe Leroy default 0x83 549dd7ff472SChristophe Leroy 550dd7ff472SChristophe Leroyconfig SYS_SDMR 551dd7ff472SChristophe Leroy hex "SDMR Value" 552dd7ff472SChristophe Leroy depends on MPC8XX_CONS 553dd7ff472SChristophe Leroy default 0 554dd7ff472SChristophe Leroy 5550b11dbf7SMasahiro Yamadaendmenu 556