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path: root/drivers/serial/ns16550.c
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Diffstat (limited to 'drivers/serial/ns16550.c')
-rw-r--r--drivers/serial/ns16550.c16
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)