From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] AMCC 4XX (specially 405EP) and CFG_RX_ETH_BUFFERS
Date: Wed, 26 Apr 2006 10:08:24 +0200 [thread overview]
Message-ID: <200604261008.24990.sr@denx.de> (raw)
In-Reply-To: <444EB711.4040807@orkun.us>
Hi Tolunay,
On Wednesday, 26. April 2006 01:56, Tolunay Orkun wrote:
> Is there a valid range for number of RX buffers for AMCC405EP Ethernet
> driver?
>
> I am using a fairly recent U-Boot from GIT and if I define
> CFG_RX_ETH_BUFFERS 31 it works but if I use CFG_RX_ETH_BUFFERS 32 it has
> a lot of timeouts in tftp etc.
Hmmm. I didn't expected this. I would recommend to use at least 16 buffer. If
what you say is true (which I don't doubt), then there seems to be a problem
in the 4xx ethernet driver.
Sorry but I don't have the time to dig into this right now. I would really
appreciate it, if you could find the reason for this strange behavior and
come up with a patch for it. :-)
If not, please use 16 for now. This is what is used on most 405 platforms and
works quite well.
Best regards,
Stefan
prev parent reply other threads:[~2006-04-26 8:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-25 23:56 [U-Boot-Users] AMCC 4XX (specially 405EP) and CFG_RX_ETH_BUFFERS Tolunay Orkun
2006-04-26 8:08 ` Stefan Roese [this message]
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