[U-Boot-Users] CFG_HZ value
Wolfgang Denk
wd at denx.de
Wed Jun 20 09:24:45 CEST 2007
In message <2accc2ff0706191949r592a5c16h536e81d5b1b7621c at mail.gmail.com> you wrote:
> > How should one define CFG_HZ? It seems that it's to be set to 1000.
> > However my system clock speed is not this. What are the rules for setting
> > this value? This constant is used in the timing functions of some boards.
>
> Is this a little off-topic?
No, it ain't off topic. It's U-Boot configuration...
> 1000 could be OK. Some people use 250. Others go as far as using
250 is wrong. For U-Boot, you should ALWAYS use 1000.
> 100. It says how many times the kernel will wake up each second to
You are wrong. CFG_HZ is U-Boot only. The kenrel has nothing to do
with it. The kernel is using HZ.
> And google for CONFIG_NO_HZ.
Now *this* is off topic here.
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
The last thing one knows in constructing a work is what to put first.
- Blaise Pascal
More information about the U-Boot
mailing list