Replace DT_CPU_CLOCK_FREQUENCY with a PATH based reference to cpu@0
(DT_PATH(cpus, cpu_0)) and than getting the clock_frequency property:
DT_CPU_CLOCK_FREQUENCY -> DT_PROP(DT_PATH(cpus, cpu_0), clock_frequency)
This lets us remove DT_CPU_CLOCK_FREQUENCY from dts_fixup.h.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
The log_backend_swo used system clock frequency
as a base for SWO clock calculation. This commit
corrects that by obtaining the needed value from DTS.
Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
This commit adds Serial Wire Output (SWO) logger backend. SWO is an
extension of Serial Wire Debug (SWD) port developed by ARM.
Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
