menu "Serial drivers"
+config BAUDRATE
+ int "Default baudrate"
+ default 115200
+ help
+ Select a default baudrate, where "default" has a driver-specific
+ meaning of either setting the baudrate for the early debug UART
+ in the SPL stage (most drivers) or for choosing a default baudrate
+ in the absence of an environment setting (serial_mxc.c).
+
config REQUIRE_SERIAL_CONSOLE
bool "Require a serial port for console"
# Running without a serial console is not supported by the
This option enables the full UART in SPL, so if is it disabled,
the full UART driver will be omitted, thus saving space.
+config CONS_INDEX
+ int "UART used for console"
+ depends on ARCH_SUNXI
+ default 2 if MACH_SUN5I
+ default 5 if MACH_SUN8I_A23 || MACH_SUN8I_A33
+ default 1
+ help
+ Configures the console index.
+ For Allwinner SoC., default values are 2 for SUN5I and 5 for A23/A33.
+ Otherwise, the index equals 1.
+
config DM_SERIAL
bool "Enable Driver Model for serial drivers"
depends on DM
implements serial_putc() etc. The uclass interface is
defined in include/serial.h.
+config SERIAL_RX_BUFFER
+ bool "Enable RX buffer for serial input"
+ depends on DM_SERIAL
+ help
+ Enable RX buffer support for the serial driver. This enables
+ pasting longer strings, even when the RX FIFO of the UART is
+ not big enough (e.g. 16 bytes on the normal NS16550).
+
+config SERIAL_RX_BUFFER_SIZE
+ int "RX buffer size"
+ depends on SERIAL_RX_BUFFER
+ default 256
+ help
+ The size of the RX buffer (needs to be power of 2)
+
+config SPL_DM_SERIAL
+ bool "Enable Driver Model for serial drivers in SPL"
+ depends on DM_SERIAL
+ default y if SPL && DM_SERIAL
+ help
+ Enable driver model for serial in SPL. This replaces
+ drivers/serial/serial.c with the serial uclass, which
+ implements serial_putc() etc. The uclass interface is
+ defined in include/serial.h.
+
+config TPL_DM_SERIAL
+ bool "Enable Driver Model for serial drivers in TPL"
+ depends on DM_SERIAL
+ default y if TPL && DM_SERIAL
+ help
+ Enable driver model for serial in TPL. This replaces
+ drivers/serial/serial.c with the serial uclass, which
+ implements serial_putc() etc. The uclass interface is
+ defined in include/serial.h.
+
config DEBUG_UART
bool "Enable an early debug UART for debugging"
help
will need to provide parameters to make this work. The driver will
be available until the real driver-model serial is running.
+config DEBUG_UART_BCM6345
+ bool "BCM6345 UART"
+ depends on BCM6345_SERIAL
+ help
+ Select this to enable a debug UART on BCM6345 SoCs. You
+ will need to provide parameters to make this work. The driver will
+ be available until the real driver model serial is running.
+
config DEBUG_UART_NS16550
bool "ns16550"
help
will need to provide parameters to make this work. The driver will
be available until the real driver model serial is running.
+config DEBUG_UART_MXC
+ bool "IMX Serial port"
+ depends on MXC_UART
+ help
+ Select this to enable a debug UART using the serial_mxc driver. You
+ will need to provide parameters to make this work. The driver will
+ be available until the real driver model serial is running.
+
config DEBUG_UART_UNIPHIER
bool "UniPhier on-chip UART"
depends on ARCH_UNIPHIER
driver will be available until the real driver-model serial is
running.
+config DEBUG_UART_OMAP
+ bool "OMAP uart"
+ help
+ Select this to enable a debug UART using the omap ns16550 driver.
+ You will need to provide parameters to make this work. The driver
+ will be available until the real driver model serial is running.
+
endchoice
config DEBUG_UART_BASE
configured in the device tree, and input clock frequency can
be got from the clk node.
+config BCM6345_SERIAL
+ bool "Support for BCM6345 UART"
+ depends on DM_SERIAL && ARCH_BMIPS
+ help
+ Select this to enable UART on BCM6345 SoCs.
+
config FSL_LPUART
bool "Freescale LPUART support"
help
If you have a machine based on a Motorola IMX CPU you
can enable its onboard serial port by enabling this option.
+config NULLDEV_SERIAL
+ bool "Null serial device"
+ help
+ Select this to enable null serial device support. A null serial
+ device merely acts as a placeholder for a serial device and does
+ nothing for all it's operation.
+
config PIC32_SERIAL
bool "Support for Microchip PIC32 on-chip UART"
depends on DM_SERIAL && MACH_PIC32
be used. It can be a constant or a function to get clock, eg,
get_serial_clock().
+config INTEL_MID_SERIAL
+ bool "Intel MID platform UART support"
+ depends on DM_SERIAL && OF_CONTROL
+ depends on INTEL_MID
+ select SYS_NS16550
+ help
+ Select this to enable a UART for Intel MID platforms.
+ This uses the ns16550 driver as a library.
+
+config PL010_SERIAL
+ bool "ARM PL010 driver"
+ depends on !DM_SERIAL
+ help
+ Select this to enable a UART for platforms using PL010.
+
+config PL011_SERIAL
+ bool "ARM PL011 driver"
+ depends on !DM_SERIAL
+ help
+ Select this to enable a UART for platforms using PL011.
+
config ROCKCHIP_SERIAL
bool "Rockchip on-chip UART support"
depends on DM_SERIAL && SPL_OF_PLATDATA
-t raw Raw mode, Ctrl-C is processed by U-Boot
-t cooked Cooked mode, Ctrl-C terminates
+config SCIF_CONSOLE
+ bool "Renesas SCIF UART support"
+ depends on SH || ARCH_RMOBILE
+ help
+ Select this to enable Renesas SCIF UART. To operate serial ports
+ on systems with RCar or SH SoCs, say Y to this option. If unsure,
+ say N.
+
config UNIPHIER_SERIAL
bool "Support for UniPhier on-chip UART"
depends on ARCH_UNIPHIER
If you have a machine based on a Marvell XScale PXA2xx CPU you
can enable its onboard serial ports by enabling this option.
+config STI_ASC_SERIAL
+ bool "STMicroelectronics on-chip UART"
+ depends on DM_SERIAL && ARCH_STI
+ help
+ Select this to enable Asynchronous Serial Controller available
+ on STiH410 SoC. This is a basic implementation, it supports
+ following baudrate 9600, 19200, 38400, 57600 and 115200.
+
+config STM32_SERIAL
+ bool "STMicroelectronics STM32 SoCs on-chip UART"
+ depends on DM_SERIAL && (STM32F4 || STM32F7 || STM32H7)
+ help
+ If you have a machine based on a STM32 F4, F7 or H7 SoC you can
+ enable its onboard serial ports, say Y to this option.
+ If unsure, say N.
+
+config ZYNQ_SERIAL
+ bool "Cadence (Xilinx Zynq) UART support"
+ depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
+ help
+ This driver supports the Cadence UART. It is found e.g. in Xilinx
+ Zynq/ZynqMP.
+
+config MPC8XX_CONS
+ bool "Console driver for MPC8XX"
+ depends on 8xx
+ default y
+
+choice
+ prompt "Console port"
+ default 8xx_CONS_SMC1
+ depends on MPC8XX_CONS
+ help
+ Depending on board, select one serial port
+ (CONFIG_8xx_CONS_SMC1 or CONFIG_8xx_CONS_SMC2)
+
+config 8xx_CONS_SMC1
+ bool "SMC1"
+
+config 8xx_CONS_SMC2
+ bool "SMC2"
+
+endchoice
+
+config SYS_SMC_RXBUFLEN
+ int "Console Rx buffer length"
+ depends on MPC8XX_CONS
+ default 1
+ help
+ With CONFIG_SYS_SMC_RXBUFLEN it is possible to define
+ the maximum receive buffer length for the SMC.
+ This option is actual only for 8xx possible.
+ If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE
+ must be defined, to setup the maximum idle timeout for
+ the SMC.
+
+config SYS_MAXIDLE
+ int "maximum idle timeout"
+ depends on MPC8XX_CONS
+ default 0
+
+config SYS_BRGCLK_PRESCALE
+ int "BRG Clock Prescale"
+ depends on MPC8XX_CONS
+ default 1
+
+config SYS_SDSR
+ hex "SDSR Value"
+ depends on MPC8XX_CONS
+ default 0x83
+
+config SYS_SDMR
+ hex "SDMR Value"
+ depends on MPC8XX_CONS
+ default 0
+
endmenu