[U-Boot-Users] [PATCH 4/6] TQM885D: use calculated cpuclk instead of measuring it

Wolfgang Denk wd at denx.de
Fri Oct 5 13:09:54 CEST 2007


In message <11915787621757-git-send-email-martin.krause at tqs.de> you wrote:
> On the TQM885D the measurement of cpuclk with the PIT reference
> timer ist not necessary. Since all module variants use the same

Ummm.. it may not be strictly necessary - but does it hurt? Or is it
not working? 

> external 10 MHz oscillator, the cpuclk only depends on the PLL
> configuration - which is readable by software.

If it's working as expected, I recommend to leave the measurement as
is - it allows for example to easily detect clocking problems for
example because of a broken or wrong quartz.

Best regards,

Wolfgang Denk

-- 
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