Re: [PATCH 05/04] *** NOT FOR RELEASE *** HACK *** Work around MII clock issue ***

[John Rigby <jcrigby@gmail.com>]

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>
>
>
> The big question seems to be what the RefMan means when talking about
> the "system clock frequency". Obiously it is NOT  the  CPU  clock  as
> code variants above assume. The examples in "Table 17-24. Programming
> Examples  for  MII_SPEED Register" list "system clock frequencies" of
> 25, 33, 40 and 50  MHz  -  which  also  indiocates  that  some  other
> frequency might be referenced here.
>
> But which one is it?


My best guess is still that it is ips clock.  I think I stated in a previous
email ipb, but I meant ips.  5200 has ibp and 5121 has ips.  Have you looked
at he MII clock on a scope to see how the calculated values compare to
actual?

>
>
> 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@denx.de
> "Today's robots are very primitive, capable of understanding  only  a
> few  simple  instructions  such  as 'go left', 'go right', and 'build
> car'."                                                  - John Sladek
>

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