Commit Graph

3 Commits

Author SHA1 Message Date
Xiang Xiao ead2c40cd4 Squashed commit of the following:
drivers/serial/uart_16550.c: Support 16550 auto hardware flow control

    drivers/serial/uart_16550.c:  Add configuration option CONFIG_16550_SUPRESS_INITIAL_CONFIG.  This is identical to the standard configuration in arch/Kconfig CONFIG_SUPPRESS_UART_CONFIG, but with scope of only the 16550 driver.
2018-08-26 11:37:16 -06:00
Xiang Xiao 46e47c8dcf Squashed commit of the following:
drivers/serial/uart_16550.c:  Add a configuration, analogous to the STM32 configuration option, to suppress the NuttX standard re-ordering for /dev/ttySN for special case of the 16550 UART.

    config/serial: UART 16550: Add CONFIG_SERIAL_UART_ARCH_MMIO option so the a memory mapped device doesn't need to provide uart_getreg() and uart_putreg() implementations.

    u16550_txempty() should check UART_LSR_TEMT to avoid some data left in the transmit FIFO
2018-08-26 11:17:33 -06:00
Gregory Nutt 9c1efc7ab9 drivers/serial/Kconfig: Kconfig is too big, divide into Kconfig, Kconfig-uart, Kconfig-usart, Kconfig-sci, Kconfig-16550. More than one MCU supports LPUARTs. Add Kconfig-lpuart and remove MCU-specific LPUART definitions. Affects Kinetis and STM32L4. 2018-03-14 10:33:27 -06:00