diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_zynq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c index 3e2b8dc183e..9278763164f 100644 --- a/drivers/serial/serial_zynq.c +++ b/drivers/serial/serial_zynq.c @@ -48,10 +48,16 @@ static void uart_zynq_serial_setbrg(const int port) /* Calculation results. */ unsigned int calc_bauderror, bdiv, bgen; unsigned long calc_baud = 0; - unsigned long baud = gd->baudrate; + unsigned long baud; unsigned long clock = get_uart_clk(port); struct uart_zynq *regs = uart_zynq_ports[port]; + /* Covering case where input clock is so slow */ + if (clock < 1000000 && gd->baudrate > 4800) + gd->baudrate = 4800; + + baud = gd->baudrate; + /* master clock * Baud rate = ------------------ * bgen * (bdiv + 1) |