d9a3efb834
This commit adds minimal support of Xen hypervisor console via UART-like driver. Implementation allows to use poll_in/poll_out char interface for uart_console.c driver directly to HV console instead of using Xen virtual PL011 UART. Future implementation will support interrupt driven interface on Xen event channels, currently it is under development. Also this commit introduces early console_io Xen interface, which allows to receive printk/stdout messages quickly after start, but requires Xen, built with CONFIG_DEBUG option. Signed-off-by: Dmytro Firsov <dmytro_firsov@epam.com>
177 lines
4.1 KiB
Plaintext
177 lines
4.1 KiB
Plaintext
# Serial driver configuration options
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# Copyright (c) 2014-2015 Wind River Systems, Inc.
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# SPDX-License-Identifier: Apache-2.0
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menuconfig SERIAL
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bool "Serial Drivers"
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help
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Enable options for serial drivers.
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if SERIAL
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comment "Capabilities"
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config SERIAL_HAS_DRIVER
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bool
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help
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This is an option to be enabled by individual serial driver
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to signal that there is a serial driver. This is being used
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by other drivers which are dependent on serial.
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config SERIAL_SUPPORT_ASYNC
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bool
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help
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This is an option to be enabled by individual serial driver
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to signal that the driver and hardware supports async operation.
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config SERIAL_SUPPORT_INTERRUPT
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bool
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help
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This is an option to be enabled by individual serial driver
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to signal that the driver and hardware supports interrupts.
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config SERIAL_INIT_PRIORITY
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int "Serial init priority"
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default KERNEL_INIT_PRIORITY_DEVICE
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help
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Serial driver device initialization priority.
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config UART_USE_RUNTIME_CONFIGURE
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bool "Enable runtime configuration for UART controllers"
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default y
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help
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Enable runtime configuration of UART controllers.
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This allows applications to call uart_configure() to
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configure the UART controllers at runtime, and calling
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uart_config_get() to retrieve configuration. If this is
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disabled, UART controllers rely on UART driver's
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initialization function to properly configure
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the controller.
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Say y if unsure. Disable this to reduce footprint for
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applications that do not require runtime UART configuration.
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config UART_ASYNC_API
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bool "Enable asynchronous UART API"
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depends on SERIAL_SUPPORT_ASYNC
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help
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This option enables asynchronous UART API.
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config UART_INTERRUPT_DRIVEN
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bool "Enable UART Interrupt support"
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depends on SERIAL_SUPPORT_INTERRUPT
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help
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This option enables interrupt support for UART allowing console
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input and other UART based drivers.
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config UART_LINE_CTRL
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bool "Enable Serial Line Control API"
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help
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This enables the API for apps to control the serial line,
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such as baud rate, CTS and RTS.
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Implementation is up to individual driver.
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Says no if not sure.
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config UART_DRV_CMD
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bool "Enable driver commands API"
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help
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This enables the API to send extra commands to drivers.
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This allows drivers to expose hardware specific functions.
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Says no if not sure.
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comment "Serial Drivers"
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source "drivers/serial/Kconfig.b91"
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source "drivers/serial/Kconfig.ns16550"
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source "drivers/serial/Kconfig.mcux"
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source "drivers/serial/Kconfig.mcux_flexcomm"
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source "drivers/serial/Kconfig.mcux_iuart"
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source "drivers/serial/Kconfig.mcux_lpsci"
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source "drivers/serial/Kconfig.mcux_lpuart"
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source "drivers/serial/Kconfig.miv"
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source "drivers/serial/Kconfig.imx"
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source "drivers/serial/Kconfig.stellaris"
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source "drivers/serial/Kconfig.native_posix"
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source "drivers/serial/Kconfig.usart_sam"
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source "drivers/serial/Kconfig.uart_sam"
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source "drivers/serial/Kconfig.stm32"
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source "drivers/serial/Kconfig.nrfx"
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source "drivers/serial/Kconfig.altera_jtag"
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source "drivers/serial/Kconfig.cc13xx_cc26xx"
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source "drivers/serial/Kconfig.cc32xx"
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source "drivers/serial/Kconfig.cmsdk_apb"
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source "drivers/serial/Kconfig.sifive"
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source "drivers/serial/Kconfig.esp32"
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source "drivers/serial/Kconfig.esp32c3_rom"
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source "drivers/serial/Kconfig.esp32s2_rom"
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source "drivers/serial/Kconfig.gecko"
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source "drivers/serial/Kconfig.leuart_gecko"
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source "drivers/serial/Kconfig.msp432p4xx"
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source "drivers/serial/Kconfig.numicro"
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source "drivers/serial/Kconfig.sam0"
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source "drivers/serial/Kconfig.psoc6"
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source "drivers/serial/Kconfig.pl011"
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source "drivers/serial/Kconfig.rv32m1_lpuart"
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source "drivers/serial/Kconfig.litex"
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source "drivers/serial/Kconfig.rtt"
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source "drivers/serial/Kconfig.xlnx"
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source "drivers/serial/Kconfig.xmc4xxx"
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source "drivers/serial/Kconfig.lpc11u6x"
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source "drivers/serial/Kconfig.npcx"
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source "drivers/serial/Kconfig.apbuart"
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source "drivers/serial/Kconfig.rcar"
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source "drivers/serial/Kconfig.xec"
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source "drivers/serial/Kconfig.gd32"
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source "drivers/serial/Kconfig.test"
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source "drivers/serial/Kconfig.neorv32"
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source "drivers/serial/Kconfig.xen"
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endif # SERIAL
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