* [U-Boot-Users] Re: Re: Rx-buffer overlow
[not found] <20060228084306.AEAC813590@sc8-sf-spam2.sourceforge.net>
@ 2006-02-28 8:56 ` Josef Angermeier
0 siblings, 0 replies; only message in thread
From: Josef Angermeier @ 2006-02-28 8:56 UTC (permalink / raw)
To: u-boot
> In message <20060228081735.GA4849@false> you wrote:
> >=20
> > fec_recv[249] err: 802
> > fec_recv[249] err: 2802
> > fec_recv[249] err: 802
> >=20
> > According to the Rx-buffer-status bits, an overlow takes place. So ping
> > just works if there is less network traffic. But why ? - is the receiv=
> e
> > buffer to small, the CPU to slow ?=20
> At which clock frequency are you running your CPU?
the MPC875 is running at 40MHz!
Btw, ethernet just works in 10MB half duplex mode (probably failure in
hardware). Maybe this is also related to that problem!
U-Boot 1.1.3 (Feb 28 2006 - 09:27:50)
CPU: MPC885ZPnn at 40 MHz [40.0...50.0 MHz]
8 kB I-Cache 8 kB D-Cache FEC present
You made sure it's an ESM this is running on, right?
DRAM: 64 MB
FLASH: 16 MB
In: serial
Out: serial
Err: serial
Net: FEC ETHERNET
> Best regards,
> Wolfgang Denk
Best regards,
Josef
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2006-02-28 8:56 ` [U-Boot-Users] Re: Re: Rx-buffer overlow Josef Angermeier
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