From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] U-Boot Ethernet Troubles
Date: Sat, 12 Jan 2008 00:00:34 +0100 [thread overview]
Message-ID: <20080111230035.00CE524656@gemini.denx.de> (raw)
In-Reply-To: Your message of "Fri, 11 Jan 2008 22:34:55 GMT." <loom.20080111T194955-495@post.gmane.org>
In message <loom.20080111T194955-495@post.gmane.org> you wrote:
> In the process of porting uboot to an MPC8280 board I've run into a problem with
> Ethernet. Ping and tftpboot failed and after examining the connection with
> Wireshark I noticed the initial ARP request is malformed.
...
> In porting uboot to other boards in the past I've witnessed memory
> initialization errors causing issues during Ethernet transactions, but I'm
> fairly confident in my DRAM initialization for this board.
My initial bet would have been RAM issues, so if you are not 101%
certain I recommend to re-check the initialization sequence.
> => tftpboot 0x100000 image
-----------------------^^^^^
> Trying FCC1 ETHERNET
> Using FCC1 ETHERNET device
> TFTP from server 10.1.1.12; our IP address is 10.1.1.26
> Filename 'StarsA3I2K'.
-----------^^^^^^^^^^^^^
That doesn't match - strange!
> Any ideas on potential problems or suggestions on steps for further debugging
> would be greatly appreciated.
Don't forget to check voltages, clocks, and clock routing!
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Doubt is a pain too lonely to know that faith is his twin brother.
- Kahlil Gibran
prev parent reply other threads:[~2008-01-11 23:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-11 22:34 [U-Boot-Users] U-Boot Ethernet Troubles Kyle McDowell
2008-01-11 23:00 ` Wolfgang Denk [this message]
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