| # 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. |
