dm: omap-timer: Use 64bit for counter values

In order to handle counter overflows use 64 bit values for counter.
Also load the initial value during probe.
Signed-off-by: NLokesh Vutla <lokeshvutla@ti.com>

drivers/timer/omap-timer.c

@@ -51,7 +51,7 @@ static int omap_timer_get_count(struct udevice *dev, u64 *count)
 {
 	struct omap_timer_priv *priv = dev_get_priv(dev);
 
-	*count = readl(&priv->regs->tcrr);
+	*count = timer_conv_64(readl(&priv->regs->tcrr));
 
 	return 0;
 }
@@ -65,6 +65,7 @@ static int omap_timer_probe(struct udevice *dev)
 
 	/* start the counter ticking up, reload value on overflow */
 	writel(0, &priv->regs->tldr);
+	writel(0, &priv->regs->tcrr);
 	/* enable timer */
 	writel((CONFIG_SYS_PTV << 2) | TCLR_PRE_EN | TCLR_AUTO_RELOAD |
 	       TCLR_START, &priv->regs->tclr);