thanks, that should at least give someone a hint what to do.
On Mon, Jun 21, 2021 at 8:59 AM Christian Mauderer <christian.maude...@embedded-brains.de> wrote: > > --- > user/bsps/arm/imxrt.rst | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/user/bsps/arm/imxrt.rst b/user/bsps/arm/imxrt.rst > index 8a5ee28..3f8b270 100644 > --- a/user/bsps/arm/imxrt.rst > +++ b/user/bsps/arm/imxrt.rst > @@ -123,6 +123,26 @@ with your FDT source names):: > > Make sure that your new C file is compiled and linked into the application. > > +PLL Settings > +------------ > + > +The commercial variant of the i.MXRT1052 on the evaluation board allows a > clock > +up to 600MHz for the ARM core. For some industrial variants only up to 528MHz > +are specified. To make it possible to adapt to these variants the application > +can overwrite the following constant: > + > +.. code-block:: c > + > + #include "fsl_clock_config.h" > + > + const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN = { > + .loopDivider = 100, > + .src = 0, > + }; > + > +With the default configuration of a 24MHz oscillator, the loopDivider has to > be > +88 for the 528MHz. > + > Clock Driver > ------------ > > -- > 2.26.2 > _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel