From b87efa7599f33f56608da20567d77dbb06db98e1 Mon Sep 17 00:00:00 2001 From: Jan Sommer Date: Thu, 20 Aug 2020 09:18:06 +0200 Subject: bsp/xilinx-zynq: Flush TX-Buffer before initializing uart Closes #4055 Closes #4056 --- bsps/arm/shared/serial/zynq-uart-polled.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/bsps/arm/shared/serial/zynq-uart-polled.c b/bsps/arm/shared/serial/zynq-uart-polled.c index 4e0ca46aca..e6f478ee07 100644 --- a/bsps/arm/shared/serial/zynq-uart-polled.c +++ b/bsps/arm/shared/serial/zynq-uart-polled.c @@ -122,6 +122,8 @@ void zynq_uart_initialize(rtems_termios_device_context *base) uint32_t brgr = 0x3e; uint32_t bauddiv = 0x6; + zynq_uart_reset_tx_flush(ctx); + zynq_cal_baud_rate(ZYNQ_UART_DEFAULT_BAUD, &brgr, &bauddiv, regs->mode); regs->control &= ~(ZYNQ_UART_CONTROL_RXEN | ZYNQ_UART_CONTROL_TXEN); -- cgit v1.2.3