@@ -902,11 +902,20 @@ static void sci_shutdown(struct uart_por
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
- unsigned int status, baud, smr_val;
+ unsigned int status, baud, smr_val, max_baud;
int t = -1;
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
- if (likely(baud))
+ /* earlyprintk comes here early on with port->uartclk set to zero.
+ * the clock framework is not up and running at this point so here
+ * we assume that 115200 is the maximum baud rate. please note that
+ * the baud rate is not programmed during earlyprintk - it is assumed
+ * that the previous boot loader has enabled required clocks and
+ * setup the baud rate generator hardware for us already.
+ */
+ max_baud = port->uartclk ? port->uartclk / 16 : 115200;
+
+ baud = uart_get_baud_rate(port, termios, old, 0, max_baud);
+ if (likely(baud && port->uartclk))
t = SCBRR_VALUE(baud, port->uartclk);
do {