From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Sat, 12 Jan 2008 00:00:34 +0100 Subject: [U-Boot-Users] U-Boot Ethernet Troubles In-Reply-To: Your message of "Fri, 11 Jan 2008 22:34:55 GMT." Message-ID: <20080111230035.00CE524656@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de In message 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