[U-Boot] [PATCH v2 26/56] rockchip: rk3368: spl: define COUNTER_FREQUENCY to 24MHz

Simon Glass sjg at chromium.org
Fri Jul 28 03:38:26 UTC 2017


On 26 July 2017 at 04:40, Philipp Tomsich
<philipp.tomsich at theobroma-systems.com> wrote:
> The BootROM of the RK3368 Boot ROM does not initialise cntfrq_el0.
> This change defines COUNTER_FREQUENCY, which is used by the AArch64 init
> code in arch/arm/cpu/armv8/start.S to set up cntfrq_el0.
>
> If the counter-frequency is not correctly set up, the calculation of
> delays using the ARMv8 generic timer can not work correctly.
>
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>
> Changes in v2: None
>
>  include/configs/rk3368_common.h | 2 ++
>  1 file changed, 2 insertions(+)
>

Reviewed-by: Simon Glass <sjg at chromium.org>


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