[U-Boot] core ticks/timer code

[Wolfgang Denk]

Dear Jean-Christophe PLAGNIOL-VILLARD,

In message <20090331113956.GD28787 at game.jcrosoft.org> you wrote:
>
> > Agreed (except that we probably  cannot  completely  throw  away  the
> > tick;  IIRC  there  are  cases  in early startup when nothing else is
> > available yet).
> not necessarely you can activate the timer just after the cpu_init
> so normally you do not need any get_ticks.

Please check for example the PowerPC code, then.

Ther ethe timer implementation relies heavily on interrupts and is not
available in early stages, for example in NAND booting systems with
tight memory restrictions.

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
"To IBM, 'open' means there is a modicum  of  interoperability  among
some of their equipment."                            - Harv Masterson