The prescaler (PTV) setting must be taken into account even when the timer input clock frequency has been set.
Signed-off-by: Dario Binacchi dariobin@libero.it ---
drivers/timer/omap-timer.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/timer/omap-timer.c b/drivers/timer/omap-timer.c index cf3d27b96b..60af68e677 100644 --- a/drivers/timer/omap-timer.c +++ b/drivers/timer/omap-timer.c @@ -19,8 +19,6 @@ #define TCLR_PRE_EN BIT(5) /* Pre-scaler enable */ #define TCLR_PTV_SHIFT (2) /* Pre-scaler shift value */
-#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV)) - struct omap_gptimer_regs { unsigned int tidr; /* offset 0x00 */ unsigned char res1[12]; @@ -63,7 +61,9 @@ static int omap_timer_probe(struct udevice *dev) struct omap_timer_priv *priv = dev_get_priv(dev);
if (!uc_priv->clock_rate) - uc_priv->clock_rate = TIMER_CLOCK; + uc_priv->clock_rate = V_SCLK; + + uc_priv->clock_rate /= (2 << CONFIG_SYS_PTV);
/* start the counter ticking up, reload value on overflow */ writel(0, &priv->regs->tldr);