diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_pl01x.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c index 7a064ff..ed581ae 100644 --- a/drivers/serial/serial_pl01x.c +++ b/drivers/serial/serial_pl01x.c @@ -194,7 +194,17 @@ int serial_tstc (void) void serial_setbrg (void) { + struct pl01x_regs *regs = pl01x_get_regs(CONSOLE_PORT); + baudrate = gd->baudrate; + /* + * Flush FIFO and wait for non-busy before changing baudrate to avoid + * crap in console + */ + while (!(readl(®s->fr) & UART_PL01x_FR_TXFE)) + WATCHDOG_RESET(); + while (readl(®s->fr) & UART_PL01x_FR_BUSY) + WATCHDOG_RESET(); serial_init(); } |