Merge branch 'master' of http://git.denx.de/u-boot-samsung

[u-boot] / drivers / serial / serial_ns16550.c

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index ba68d46948033faf84974008db412a9a3c1bce3e..632da4cf70bb93c15c2a84a93815b6b6078c06c4 100644 (file)
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -81,7 +81,8 @@ static NS16550_t serial_ports[6] = {
        static int  eserial##port##_init(void) \
        { \
                int clock_divisor; \
-               clock_divisor = calc_divisor(serial_ports[port-1]); \
+               clock_divisor = ns16550_calc_divisor(serial_ports[port-1], \
+                               CONFIG_SYS_NS16550_CLK, gd->baudrate); \
                NS16550_init(serial_ports[port-1], clock_divisor); \
                return 0 ; \
        } \
@@ -118,33 +119,6 @@ static NS16550_t serial_ports[6] = {
        .puts   = eserial##port##_puts,         \
 }
 
-static int calc_divisor (NS16550_t port)
-{
-#ifdef CONFIG_OMAP1510
-       /* If can't cleanly clock 115200 set div to 1 */
-       if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) {
-               port->osc_12m_sel = OSC_12M_SEL;        /* enable 6.5 * divisor */
-               return (1);                             /* return 1 for base divisor */
-       }
-       port->osc_12m_sel = 0;                  /* clear if previsouly set */
-#endif
-#ifdef CONFIG_OMAP1610
-       /* If can't cleanly clock 115200 set div to 1 */
-       if ((CONFIG_SYS_NS16550_CLK == 48000000) && (gd->baudrate == 115200)) {
-               return (26);            /* return 26 for base divisor */
-       }
-#endif
-
-#define MODE_X_DIV 16
-       /* Compute divisor value. Normally, we should simply return:
-        *   CONFIG_SYS_NS16550_CLK) / MODE_X_DIV / gd->baudrate
-        * but we need to round that value by adding 0.5.
-        * Rounding is especially important at high baud rates.
-        */
-       return (CONFIG_SYS_NS16550_CLK + (gd->baudrate * (MODE_X_DIV / 2))) /
-               (MODE_X_DIV * gd->baudrate);
-}
-
 void
 _serial_putc(const char c,const int port)
 {
@@ -186,7 +160,8 @@ _serial_setbrg (const int port)
 {
        int clock_divisor;
 
-       clock_divisor = calc_divisor(PORT);
+       clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK,
+                                            gd->baudrate);
        NS16550_reinit(PORT, clock_divisor);
 }