diff options
Diffstat (limited to 'bsps/shared/dev/serial/zynq-uart-polled.c')
| -rw-r--r-- | bsps/shared/dev/serial/zynq-uart-polled.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/bsps/shared/dev/serial/zynq-uart-polled.c b/bsps/shared/dev/serial/zynq-uart-polled.c index 442431d502..74e7255ec2 100644 --- a/bsps/shared/dev/serial/zynq-uart-polled.c +++ b/bsps/shared/dev/serial/zynq-uart-polled.c @@ -128,14 +128,17 @@ void zynq_uart_initialize(rtems_termios_device_context *base) regs->control &= ~(ZYNQ_UART_CONTROL_RXEN | ZYNQ_UART_CONTROL_TXEN); regs->control = ZYNQ_UART_CONTROL_RXDIS - | ZYNQ_UART_CONTROL_TXDIS - | ZYNQ_UART_CONTROL_RXRES - | ZYNQ_UART_CONTROL_TXRES; + | ZYNQ_UART_CONTROL_TXDIS; regs->mode = ZYNQ_UART_MODE_CHMODE(ZYNQ_UART_MODE_CHMODE_NORMAL) | ZYNQ_UART_MODE_PAR(ZYNQ_UART_MODE_PAR_NONE) | ZYNQ_UART_MODE_CHRL(ZYNQ_UART_MODE_CHRL_8); regs->baud_rate_gen = ZYNQ_UART_BAUD_RATE_GEN_CD(brgr); regs->baud_rate_div = ZYNQ_UART_BAUD_RATE_DIV_BDIV(bauddiv); + /* A Tx/Rx logic reset must be issued after baud rate manipulation */ + regs->control = ZYNQ_UART_CONTROL_RXDIS + | ZYNQ_UART_CONTROL_TXDIS + | ZYNQ_UART_CONTROL_RXRES + | ZYNQ_UART_CONTROL_TXRES; regs->rx_fifo_trg_lvl = ZYNQ_UART_RX_FIFO_TRG_LVL_RTRIG(0); regs->rx_timeout = ZYNQ_UART_RX_TIMEOUT_RTO(0); regs->control = ZYNQ_UART_CONTROL_RXEN |