ARM: sun6i: Add support for the power reset control module found on the A31

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

diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c
index 0826d59ab2adbba604665b520278898130e9fa59..144a925394513d38b1677030cb97fcc5f96d84cb 100644 (file)
--- a/drivers/serial/serial_sh.c
+++ b/drivers/serial/serial_sh.c
@@ -49,9 +49,15 @@ static struct uart_port sh_sci = {
 static void sh_serial_setbrg(void)
 {
        DECLARE_GLOBAL_DATA_PTR;
-
+#ifdef CONFIG_SCIF_USE_EXT_CLK
+       unsigned short dl = DL_VALUE(gd->baudrate, CONFIG_SH_SCIF_CLK_FREQ);
+       sci_out(&sh_sci, DL, dl);
+       /* Need wait: Clock * 1/dl \e$B!_\e(B 1/16 */
+       udelay((1000000 * dl * 16 / CONFIG_SYS_CLK_FREQ) * 1000 + 1);
+#else
        sci_out(&sh_sci, SCBRR,
                SCBRR_VALUE(gd->baudrate, CONFIG_SH_SCIF_CLK_FREQ));
+#endif
 }
 
 static int sh_serial_init(void)