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# SiFive Freedom UART configuration option
# Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
# SPDX-License-Identifier: Apache-2.0
menuconfig UART_SIFIVE
bool "SiFive Freedom serial driver"
depends on SOC_SERIES_RISCV_SIFIVE_FREEDOM
select SERIAL_HAS_DRIVER
select SERIAL_SUPPORT_INTERRUPT
help
This option enables the SiFive Freedom serial driver.
# ---------- Port 0 ----------
menuconfig UART_SIFIVE_PORT_0
bool "Enable SIFIVE Port 0"
depends on UART_SIFIVE
help
This tells the driver to configure the UART port at boot, depending on
the additional configure options below.
config UART_SIFIVE_PORT_0_RXCNT_IRQ
int "Port 0 RX Interrupt Threshold Count"
default 0
depends on UART_SIFIVE_PORT_0
help
Port 0 RX Threshold at which the RX FIFO interrupt triggers.
config UART_SIFIVE_PORT_0_TXCNT_IRQ
int "Port 0 TX Interrupt Threshold Count"
default 1
depends on UART_SIFIVE_PORT_0
help
Port 0 TX Threshold at which the TX FIFO interrupt triggers.
# ---------- Port 1 ----------
menuconfig UART_SIFIVE_PORT_1
bool "Enable SIFIVE Port 1"
depends on UART_SIFIVE
help
This tells the driver to configure the UART port at boot, depending on
the additional configure options below.
config UART_SIFIVE_PORT_1_RXCNT_IRQ
int "Port 0 RX Interrupt Threshold Count"
default 0
depends on UART_SIFIVE_PORT_1
help
Port 1 RX Threshold at which the RX FIFO interrupt triggers.
config UART_SIFIVE_PORT_1_TXCNT_IRQ
int "Port 1 TX Interrupt Threshold Count"
default 0
depends on UART_SIFIVE_PORT_1
help
Port 1 TX Threshold at which the TX FIFO interrupt triggers.