[U-Boot-Users] i.MX31: question about CFG_HZ and CKIL

Wolfgang Denk wd at denx.de
Sat May 10 00:13:28 CEST 2008


In message <48216F73.4010809 at tqs.de> you wrote:
> 
> If CKIL is the above mentioned 32 kHz clock, the resulting deviation in 
> the timers is "only" about 2.4% as long as CFG_HZ in mx31ads.h is 32000 
> Hz. Although it works with the current definition, I'd like to know your 
> opinions, whether it is necessary to adjust this value.

Note that CFG_HZ is not really configurable, even if the name suggests
so. In reality, CFG_HZ is a constant with the value 1000.

There are some broken boards which don't handle this  correctly,  but
at least that's what you should set.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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