serial: pl01x: Add support for devices with the rate pre-configured.

[u-boot] / drivers / serial / serial_pl01x.c

diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c
index 552c945264c8d549c6da6fbbb311beb188fcb66c..6f83835fa8cd2a3748149c45bd6c5abb113a952f 100644 (file)
--- a/drivers/serial/serial_pl01x.c
+++ b/drivers/serial/serial_pl01x.c
@@ -284,7 +284,10 @@ static int pl01x_serial_setbrg(struct udevice *dev, int baudrate)
        struct pl01x_serial_platdata *plat = dev_get_platdata(dev);
        struct pl01x_priv *priv = dev_get_priv(dev);
 
-       pl01x_generic_setbrg(priv->regs, priv->type, plat->clock, baudrate);
+       if (!plat->skip_init) {
+               pl01x_generic_setbrg(priv->regs, priv->type, plat->clock,
+                                    baudrate);
+       }
 
        return 0;
 }
@@ -296,7 +299,10 @@ static int pl01x_serial_probe(struct udevice *dev)
 
        priv->regs = (struct pl01x_regs *)plat->base;
        priv->type = plat->type;
-       return pl01x_generic_serial_init(priv->regs, priv->type);
+       if (!plat->skip_init)
+               return pl01x_generic_serial_init(priv->regs, priv->type);
+       else
+               return 0;
 }
 
 static int pl01x_serial_getc(struct udevice *dev)