[U-Boot-Users] SCC3 ethrnet port on PMC862

Wolfgang Denk wd at denx.de
Sat Nov 1 18:08:00 CET 2003

In message <20031101120911.8599.qmail at webmail28.rediffmail.com> you wrote:
> Hi,
>    I am new to U-boot, please say if i am wrong , 
> on my custom board i am using mpc862 and using scc1 as my ethrnet port its works fine,
> i have scc3 for ethernet also, in linux kernel i changed the c
> onfiguraton file to change to use scc3 , i see nothing happening,

Then obviously your configuration in the Linux kernel is broken.

> is it because in uboot i have enbaled scc1 and enabling scc3 in linux ke
> rnel so not working ?
> i dont think this should be the problem as
>  linux kernel resets the CPM,
> i am must be able to use scc3 on l
> inux,

If you configure the correct values in the  Linux  kernel  (port  pin
assignments,  clock  routing,  eventually  setting  of BCR's etc.) it
should work.

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
Computers are not intelligent. They only think they are.

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