## SPDX-License-Identifier: GPL-2.0-only

config DRIVERS_UART
	bool

config DRIVERS_UART_8250IO
	# FIXME: Shouldn't have a prompt, should default to n, and
	#        should be selected by boards that have it instead.
	bool "Serial port on SuperIO"
	depends on ARCH_X86 || ARCH_PPC64
	default n if DRIVERS_UART_8250MEM || HAVE_UART_SPECIAL
	default n if NO_UART_ON_SUPERIO
	default y
	select DRIVERS_UART

config DRIVERS_UART_8250IO_SKIP_INIT
	def_bool n
	depends on DRIVERS_UART_8250IO

# Select this for mainboard without SuperIO serial port.
config NO_UART_ON_SUPERIO
	def_bool n

config UART_OVERRIDE_INPUT_CLOCK_DIVIDER
	bool
	default n
	help
	  Set to "y" when the platform overrides the uart_input_clock_divider
	  routine.

config UART_OVERRIDE_REFCLK
	bool
	default n
	help
	  Set to "y" when the platform overrides the uart_platform_refclk
	  routine.

config DRIVERS_UART_8250MEM
	bool
	default n
	select DRIVERS_UART

config DRIVERS_UART_8250MEM_32
	bool
	default n
	select DRIVERS_UART_8250MEM

config HAVE_UART_SPECIAL
	bool
	default n
	select DRIVERS_UART

config DRIVERS_UART_OXPCIE
	bool "Oxford OXPCIe952"
	default n
	depends on PCI && !DRIVERS_UART_8250MEM_32
	select DRIVERS_UART_8250MEM
	select EARLY_PCI_BRIDGE
	select UART_OVERRIDE_REFCLK
	help
	  Support for Oxford OXPCIe952 serial port PCIe cards.
	  Currently only devices with the vendor ID 0x1415 and device ID
	  0xc158 or 0xc11b will work.

config DRIVERS_UART_PL011
	bool
	default n
	select HAVE_UART_SPECIAL

config DRIVERS_UART_SIFIVE
	bool
	select HAVE_UART_SPECIAL
	select UART_OVERRIDE_INPUT_CLOCK_DIVIDER