diff options
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 2429464..6b3f60e 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -21,11 +21,15 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) com_port->mdr1 = 0x7; /* mode select reset TL16C750*/ #endif com_port->lcr = LCR_BKSE | LCRVAL; - com_port->dll = baud_divisor & 0xff; - com_port->dlm = (baud_divisor >> 8) & 0xff; + com_port->dll = 0; + com_port->dlm = 0; com_port->lcr = LCRVAL; com_port->mcr = MCRVAL; com_port->fcr = FCRVAL; + com_port->lcr = LCR_BKSE | LCRVAL; + com_port->dll = baud_divisor & 0xff; + com_port->dlm = (baud_divisor >> 8) & 0xff; + com_port->lcr = LCRVAL; #if defined(CONFIG_OMAP) #if defined(CONFIG_APTIX) com_port->mdr1 = 3; /* /13 mode so Aptix 6MHz can hit 115200 */ @@ -38,12 +42,16 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) void NS16550_reinit (NS16550_t com_port, int baud_divisor) { com_port->ier = 0x00; + com_port->lcr = LCR_BKSE | LCRVAL; + com_port->dll = 0; + com_port->dlm = 0; + com_port->lcr = LCRVAL; + com_port->mcr = MCRVAL; + com_port->fcr = FCRVAL; com_port->lcr = LCR_BKSE; com_port->dll = baud_divisor & 0xff; com_port->dlm = (baud_divisor >> 8) & 0xff; com_port->lcr = LCRVAL; - com_port->mcr = MCRVAL; - com_port->fcr = FCRVAL; } void NS16550_putc (NS16550_t com_port, char c) |