R: MPC8250 MCC operating on 2-bit channels

Figini Enzo Enzo.Figini at italtel.it
Wed Sep 21 15:52:57 EST 2005


I use MCC1&2 on MPC8260/66/80 using 7 & 8 bit for channel without problem.
Take care that SIRAM setting is correct.
Remember to program also the bits not used (connect to nothing).

EF

> -----Messaggio originale-----
> Da: linuxppc-embedded-bounces at ozlabs.org
> [mailto:linuxppc-embedded-bounces at ozlabs.org]Per conto di 
> Rune Torgersen
> Inviato: martedì 20 settembre 2005 19.43
> A: Stevan Ignjatovic; linuxppc-embedded at ozlabs.org
> Oggetto: RE: MPC8250 MCC operating on 2-bit channels
> 
> 
> > -----Original Message-----
> > From: linuxppc-embedded-bounces at ozlabs.org Stevan Ignjatovic
> > Sent: Tuesday, September 20, 2005 10:17
> > Subject: MPC8250 MCC operating on 2-bit channels
> 
> > Has anybody dealt with 2-bit channels on MCC? What can cause such
> > problems (remember that everything works fine with 8-bit 
> channels). I
> > would also appreciate if somebody has the possibility to implement
> > similar test.
> 
> I am using 7 bit channels without any problems (tx and rx) on 
> MCC 1 and
> 2.
> (on an MPC8266)
> Can you send me a dump of your SIRAM settings, and I'll take a look at
> them?
> 
> Be aware of one thing (at least for 826x with 2 MCC's), first 
> channel on
> MCC2 is numbered 128, not 0
> 
> 
> Rune Torgersen
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> Linuxppc-embedded at ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
> 



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