Kconfig - OpenGrok cross reference for /openbmc/u-boot/drivers/serial/Kconfig

24 	  during serial port initialization (default y). Set this to n on
32 	  In various cases, we need to specify which of the UART devices that
33 	  a board or SoC has available are to be used for the console device
66 # Logic to allow us to use the imply keyword to set what the default port
98 	  Set this to match the UART number of the serial console.
122 	  The size of the RX buffer (needs to be power of 2)
159 	  The debug UART is intended for use very early in U-Boot to debug
162 	  To use it you should:
165 	  - Enable the CONFIG for your UART to tell it to provide this interface
169 	  - Call debug_uart_putc() to output a character
171 	  Depending on your platform it may be possible to use this UART before
176 	  it is preferred to use no stack.
190 	  Select this to enable a debug UART using the altera_jtag_uart driver.
191 	  You will need to provide parameters to make this work. The driver will
197 	  Select this to enable a debug UART using the altera_uart driver.
198 	  You will need to provide parameters to make this work. The driver will
205 	  Select this to enable a debug UART using the ar933x uart driver.
206 	  You will need to provide parameters to make this work. The
214 	  Select this to enable a debug UART using the ARC UART driver.
215 	  You will need to provide parameters to make this work. The
222 	  Select this to enable a debug UART using the atmel usart driver. You
223 	  will need to provide parameters to make this work. The driver will
230 	  Select this to enable a debug UART on BCM6345 SoCs. You
231 	  will need to provide parameters to make this work. The driver will
237 	  Select this to enable a debug UART using the ns16550 driver. You
238 	  will need to provide parameters to make this work. The driver will
245 	  Select this to enable a debug console which calls back to EFI to
246 	  output to the console. This can be useful for early debugging of
253 	  Select this to enable a debug UART using the serial_s5p driver. You
254 	  will need to provide parameters to make this work. The driver will
261 	  Select this to enable a debug UART using the serial_meson driver. You
262 	  will need to provide parameters to make this work. The driver will
268 	  Select this to enable a debug UART using the serial_uartlite driver.
269 	  You will need to provide parameters to make this work. The driver will
275 	  Select this to enable a debug UART using the ARM JTAG DCC port.
278 	  any serial interface this is the easiest way how to get console.
286 	  Select this to enable a debug UART using the serial_mvebu driver. You
287 	  will need to provide parameters to make this work. The driver will
293 	  Select this to enable a debug UART using the serial_zynq driver. You
294 	  will need to provide parameters to make this work. The driver will
301 	  Select this to enable a debug UART using the serial_leon3 driver. You
302 	  will need to provide parameters to make this work. The driver will
308 	  Select this to enable a debug UART using the pl01x driver with the
309 	  PL010 UART type. You will need to provide parameters to make this
316 	  Select this to enable a debug UART using the pl01x driver with the
317 	  PL011 UART type. You will need to provide parameters to make this
325 	  Select this to enable a debug UART using the serial_pic32 driver. You
326 	  will need to provide parameters to make this work. The driver will
333 	  Select this to enable a debug UART using the serial_mxc driver. You
334 	  will need to provide parameters to make this work. The driver will
341 	  Select this to enable the debug UART using the sandbox driver. This
342 	  provides basic serial output from the console without needing to
349 	  Select this to enable a debug UART using the serial_sifive driver. You
350 	  will need to provide parameters to make this work. The driver will
357 	  Select this to enable a debug UART using the serial_stm32 driver
358 	  You will need to provide parameters to make this work.
366 	  Select this to enable a debug UART using the UniPhier on-chip UART.
367 	  You will need to provide DEBUG_UART_BASE to make this work.  The
374 	  Select this to enable a debug UART using the omap ns16550 driver.
375 	  You will need to provide parameters to make this work. The driver
382 	  Select this to enable a debug UART using the MediaTek High-speed
384 	  You will need to provide parameters to make this work. The
398 	  to use the correct value here.
410 	  to use the correct value here.
419 	  value. Use this value to specify the shift to use, where 0=byte
426 	  Some boards need to set things up before the debug UART can be used.
427 	  On these boards a call to debug_uart_init() is insufficient. When
430 	  here that is needed to set up the UART ready for use, such as set
437 	  Enable this option to show a message when the debug UART is ready
447 	  Select this if the UART you want to use for debug output is already
460 	  so has to be enabled carefully or you might notice lost characters.
466 	  Select this to enable an JTAG UART for Altera devices.The JTAG UART
467 	  core implements a method to communicate serial character streams
485 	  Select this to enable an UART for Altera devices. Please find
492 	  Select this to enable UART support for QCA/Atheros ar933x
494 	  tree binding to operate, please refer to the document at
501 	  Select this to enable support for ARC UART now typically
507 	  Select this to enable USART support for Atmel SoCs. It can be
516 	  Select this to enable Mini-UART support on BCM283X family of SoCs.
523 	  Select this to enable an overriding PL011 driver for BCM283X SoCs
531 	  Select this to enable UART on BCM6345 SoCs.
537 	  Select this to enable the Linflex serial module found on some
543 	  Select this to enable a Low Power UART for Freescale VF610 and
550 	  Choose this option to add support for UART driver on the Marvell
563 	  Select this to enable null serial device support. A null serial
581 	  be used. It can be a constant or a function to get clock, eg,
590 	  Select this to enable a UART for Intel MID platforms.
597 	  Select this to enable a UART for platforms using PL010.
603 	  Select this to enable a UART for platforms using PL011.
609 	  Select this to enable a UART for platforms using PL010 or PL011.
615 	  Select this to enable a debug UART for Rockchip devices when using
618 	  to the ns16550 format.
624 	  Select this to enable a seral UART for sandbox. This is required to
626 	  sandbox. The emulated UART will display to the console and console
627 	  input will be fed into the UART. This allows you to interact with
644 	  Select this to enable Renesas SCIF UART. To operate serial ports
645 	  on systems with RCar or SH SoCs, say Y to this option. If unsure,
653 	  If you have a UniPhier based board and want to use the on-chip
654 	  serial ports, say Y to this option. If unsure, say N.
660 	  If you have a Xilinx based board and want to use the uartlite
661 	  serial ports, say Y to this option. If unsure, say N.
667 	  If you have an Amlogic Meson based board and want to use the on-chip
668 	  serial ports, say Y to this option. If unsure, say N.
685 	  If you have an TI based SoC and want to use the on-chip serial
686 	  port, say Y to this option. If unsure say N.
692 	  If you have a Actions Semi OWL based board and want to use the on-chip
693 	  serial port, say Y to this option. If unsure, say N.
712 	  Select this to enable Asynchronous Serial Controller available
721 	  you can enable its onboard serial ports, say Y to this option.
735 	  Select this to enable UART support for MediaTek High-speed UART
737 	  tree binding to operate.
767 	  With CONFIG_SYS_SMC_RXBUFLEN it is possible to define
771 	  must be defined, to setup the maximum idle timeout for