On 16:50-20130918, Sricharan R wrote:
> The real time counter also called master counter, is a free-running
> counter. It produces the count used by the CPU local timer peripherals
> in the MPU cluster. The timer counts at a rate of 6.144 MHz.
> 
> The ratio registers are missing for a sys-clk of 20MHZ which is used
> by DRA7 socs. So because of this, the counter was getting wrongly
> programmed for a sys-clk of 38.4Mhz(default). So adding the ratio
> registers for 20MHZ sys-clk.
> 
> Cc: Santosh Shilimkar <santosh.shilim...@ti.com>
> Signed-off-by: Sricharan R <r.sricha...@ti.com>

Tested-by: Nishanth Menon <n...@ti.com>
platform: DRA7-evm

> ---
>  arch/arm/mach-omap2/timer.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index e1528a0..fd9238d 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -515,6 +515,10 @@ static void __init realtime_counter_init(void)
>               num = 8;
>               den = 25;
>               break;
> +     case 20000000:
> +             num = 192;
> +             den = 625;
> +             break;
>       case 2600000:
>               num = 384;
>               den = 1625;
> -- 
> 1.7.9.5
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 
Regards,
Nishanth Menon
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to