diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_arc.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/serial/serial_arc.c b/drivers/serial/serial_arc.c index 6292eb1..326a536 100644 --- a/drivers/serial/serial_arc.c +++ b/drivers/serial/serial_arc.c @@ -42,23 +42,7 @@ static int arc_serial_setbrg(struct udevice *dev, int baudrate) int arc_console_baud = gd->cpu_clk / (baudrate * 4) - 1; writeb(arc_console_baud & 0xff, ®s->baudl); - -#ifdef CONFIG_ARC - /* - * UART ISS(Instruction Set simulator) emulation has a subtle bug: - * A existing value of Baudh = 0 is used as a indication to startup - * it's internal state machine. - * Thus if baudh is set to 0, 2 times, it chokes. - * This happens with BAUD=115200 and the formaula above - * Until that is fixed, when running on ISS, we will set baudh to !0 - */ - if (gd->arch.running_on_hw) - writeb((arc_console_baud & 0xff00) >> 8, ®s->baudh); - else - writeb(1, ®s->baudh); -#else writeb((arc_console_baud & 0xff00) >> 8, ®s->baudh); -#endif return 0; } |