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

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In order to handle counter overflows use 64 bit values for counter.
Also load the initial value during probe.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2018-08-16 18:26:54 +05:30 • committed by Tom Rini
parent c76382ff7f
commit 3ee15a5180
1 changed files with 2 additions and 1 deletions

3
drivers/timer/omap-timer.c
View file

@ -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);