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 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
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_AR933X
+ bool "QCA/Atheros ar933x"
+ depends on AR933X_UART
+ help
+ Select this to enable a debug UART using the ar933x uart 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_ATMEL
+ bool "Atmel USART"
+ help
+ Select this to enable a debug UART using the atmel usart 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_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_MESON
+ bool "Amlogic Meson"
+ depends on MESON_SERIAL
+ help
+ Select this to enable a debug UART using the serial_meson 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_UARTLITE
bool "Xilinx Uartlite"
help
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_ARM_DCC
+ bool "ARM DCC"
+ help
+ Select this to enable a debug UART using the ARM JTAG DCC port.
+ The DCC port can be used for very early debugging and doesn't require
+ any additional setting like address/baudrate/clock. On systems without
+ any serial interface this is the easiest way how to get console.
+ Every ARM core has own DCC port which is the part of debug interface.
+ This port is available at least on ARMv6, ARMv7, ARMv8 and XScale
+ architectures.
+
+config DEBUG_MVEBU_A3700_UART
+ bool "Marvell Armada 3700"
+ help
+ Select this to enable a debug UART using the serial_mvebu 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_ZYNQ
bool "Xilinx Zynq"
help
work. The driver will be available until the real driver model
serial is running.
+config DEBUG_UART_PIC32
+ bool "Microchip PIC32"
+ depends on PIC32_SERIAL
+ help
+ Select this to enable a debug UART using the serial_pic32 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_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
+ help
+ Select this to enable a debug UART using the UniPhier on-chip UART.
+ You will need to provide DEBUG_UART_BASE to make this work. The
+ 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
Select this to enable an UART for Altera devices. Please find
details on the "Embedded Peripherals IP User Guide" of Altera.
+config AR933X_UART
+ bool "QCA/Atheros ar933x UART support"
+ depends on DM_SERIAL && SOC_AR933X
+ help
+ Select this to enable UART support for QCA/Atheros ar933x
+ devices. This driver uses driver model and requires a device
+ tree binding to operate, please refer to the document at
+ doc/device-tree-bindings/serial/qca,ar9330-uart.txt.
+
+config ATMEL_USART
+ bool "Atmel USART support"
+ help
+ Select this to enable USART support for Atmel SoCs. It can be
+ 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
Select this to enable a Low Power UART for Freescale VF610 and
QorIQ Layerscape devices.
+config MVEBU_A3700_UART
+ bool "UART support for Armada 3700"
+ default n
+ help
+ Choose this option to add support for UART driver on the Marvell
+ Armada 3700 SoC. The base address is configured via DT.
+
+config MXC_UART
+ bool "IMX serial port support"
+ depends on MX5 || MX6
+ help
+ If you have a machine based on a Motorola IMX CPU you
+ can enable its onboard serial port by enabling this option.
+
+config PIC32_SERIAL
+ bool "Support for Microchip PIC32 on-chip UART"
+ depends on DM_SERIAL && MACH_PIC32
+ default y
+ help
+ Support for the UART found on Microchip PIC32 SoC's.
+
config SYS_NS16550
bool "NS16550 UART or compatible"
help
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 ROCKCHIP_SERIAL
+ bool "Rockchip on-chip UART support"
+ depends on DM_SERIAL && SPL_OF_PLATDATA
+ help
+ Select this to enable a debug UART for Rockchip devices when using
+ CONFIG_SPL_OF_PLATDATA (i.e. a compiled-in device tree replacemenmt).
+ This uses the ns16550 driver, converting the platdata from of-platdata
+ to the ns16550 format.
+
config SANDBOX_SERIAL
bool "Sandbox UART support"
depends on SANDBOX
config UNIPHIER_SERIAL
bool "Support for UniPhier on-chip UART"
depends on ARCH_UNIPHIER
+ default y
help
If you have a UniPhier based board and want to use the on-chip
serial ports, say Y to this option. If unsure, say N.
config XILINX_UARTLITE
bool "Xilinx Uarlite support"
- depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP)
+ depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || 4xx)
help
If you have a Xilinx based board and want to use the uartlite
serial ports, say Y to this option. If unsure, say N.
+config MESON_SERIAL
+ bool "Support for Amlogic Meson UART"
+ depends on DM_SERIAL && ARCH_MESON
+ help
+ If you have an Amlogic Meson based board and want to use the on-chip
+ serial ports, say Y to this option. If unsure, say N.
+
+config MSM_SERIAL
+ bool "Qualcomm on-chip UART"
+ depends on DM_SERIAL
+ help
+ Support Data Mover UART used on Qualcomm Snapdragon SoCs.
+ It should support all Qualcomm devices with UARTDM version 1.4,
+ for example APQ8016 and MSM8916.
+ Single baudrate is supported in current implementation (115200).
+
+config PXA_SERIAL
+ bool "PXA serial port support"
+ help
+ 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 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
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