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* [U-Boot-Users] mpc85xx FCC ethernet
@ 2005-12-06  3:11 Ho Jeffrey-r26191
  2005-12-06  6:15 ` Stefan Roese
  2005-12-06 14:42 ` Wolfgang Denk
  0 siblings, 2 replies; 9+ messages in thread
From: Ho Jeffrey-r26191 @ 2005-12-06  3:11 UTC (permalink / raw)
  To: u-boot

> My main question is: has anyone ever used FCC as ethernet on 
> u-boot for mpc85xx, and with what success?

We do have FCC code running on u-boot with MPC8541E/55E. However at the moment they look really messy. If you want I can sent that to you in another email for a try.

Regards,
Jeffrey Ho

^ permalink raw reply	[flat|nested] 9+ messages in thread
* [U-Boot-Users] mpc85xx FCC ethernet
@ 2005-12-06 14:41 Nuno João (Ext_NBS)
  0 siblings, 0 replies; 9+ messages in thread
From: Nuno João (Ext_NBS) @ 2005-12-06 14:41 UTC (permalink / raw)
  To: u-boot

Hello All,

The problem has been solved. The only change necessary to put current
u-boot's mpc85xx FCC code to work on MPC8541E is the one that I
mentioned in my first email in this thread. The other one was a typical
case of "problem between the monitor and the chair", discovered by my
collegue Steffen: I was doing tftp to ram address 0x0 :|.

Thank you and Best Regards

> My main question is: has anyone ever used FCC as ethernet on u-boot
> for mpc85xx, and with what success?

^ permalink raw reply	[flat|nested] 9+ messages in thread
* [U-Boot-Users] mpc85xx FCC ethernet
@ 2005-12-06  3:07 Ho Jeffrey-r26191
  0 siblings, 0 replies; 9+ messages in thread
From: Ho Jeffrey-r26191 @ 2005-12-06  3:07 UTC (permalink / raw)
  To: u-boot

MPC8541/55 have CPM lite compare to CPM for MPC8560. The dport ram size is different. To make the FCC code work for CPM lite, the dport RAM pointers (various pointers used by the RISC) need to be adjusted.

Regards,
Jeffrey Ho 

> -----Original Message-----
> From: u-boot-users-admin at lists.sourceforge.net 
> [mailto:u-boot-users-admin at lists.sourceforge.net] On Behalf 
> Of Wolfgang Denk
> Sent: Tuesday, December 06, 2005 4:12 AM
> To: Nuno Joao (Ext_NBS)
> Cc: u-boot-users at lists.sourceforge.net
> Subject: Re: [U-Boot-Users] mpc85xx FCC ethernet 
> 
> In message 
> <0248B0F35AF7B8418CA72E88AC00BF1F8884A9@lisi053a.siemens.pt> 
> you wrote:
> > 
> > My main question is: has anyone ever used FCC as ethernet on u-boot 
> > for mpc85xx, and with what success?
> 
> It works well for us on MPC8560, and also  the  FEC  on  the  
> MPC8540 works  fine. But the same code on the basicly the 
> same hardware (just different CPU) fails for MPC8541 and MPC8555.
> 
> Best regards,
> 
> Wolfgang Denk
> 
> --
> Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: 
> wd at denx.de Some people march to the beat of a different 
> drummer. And some people tango!
> 
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^ permalink raw reply	[flat|nested] 9+ messages in thread
* [U-Boot-Users] mpc85xx FCC ethernet
@ 2005-12-05 17:24 Nuno João (Ext_NBS)
  2005-12-05 20:11 ` Wolfgang Denk
  0 siblings, 1 reply; 9+ messages in thread
From: Nuno João (Ext_NBS) @ 2005-12-05 17:24 UTC (permalink / raw)
  To: u-boot

Hello All,

I'm trying to use ethernet FCC on an board using MPC8541E, and
I'm having some problems. First of all, current code on u-boot
has a "known issue" that prevents it from working, which makes
me wonder if someone out there has ever used this code. You
can find further details at
http://ozlabs.org/pipermail/linuxppc-embedded/2004-November/016050.html
but, basically, there was a parameter set to use a reserved area
in DPRAM. I changed CPM_FCC_SPECIAL_BASE fro 0xb000 to 0x9000 on
include/asm-ppc/cpm_85xx.h.
However, even with this change, I can only do tftp of small files
(a 1 to 3 tftp packets), otherwise u-boot hangs. If I stop it
afterward with a debugger, the CPU is executing in "no man's land".
My main question is: has anyone ever used FCC as ethernet on u-boot
for mpc85xx, and with what success?

Thanks and Best Regards,
Nuno

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2005-12-29 23:17 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-12-06  3:11 [U-Boot-Users] mpc85xx FCC ethernet Ho Jeffrey-r26191
2005-12-06  6:15 ` Stefan Roese
2005-12-06 14:42 ` Wolfgang Denk
2005-12-29 22:55   ` Matthew McClintock
2005-12-29 23:17     ` Wolfgang Denk
  -- strict thread matches above, loose matches on Subject: below --
2005-12-06 14:41 Nuno João (Ext_NBS)
2005-12-06  3:07 Ho Jeffrey-r26191
2005-12-05 17:24 Nuno João (Ext_NBS)
2005-12-05 20:11 ` Wolfgang Denk

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