From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Frysinger Date: Sun, 26 Apr 2009 23:14:06 -0400 Subject: [U-Boot] [PATCH 3/3] smc911x: do net reset the chip if no EEPROM is connected In-Reply-To: <20090421111310.GA32352@buzzloop.caiaq.de> References: <1239189819-26805-1-git-send-email-daniel@caiaq.de> <200904082357.38602.vapier@gentoo.org> <20090421111310.GA32352@buzzloop.caiaq.de> Message-ID: <200904262314.12901.vapier@gentoo.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tuesday 21 April 2009 07:13:10 Daniel Mack wrote: > On Wed, Apr 08, 2009 at 11:57:37PM -0400, Mike Frysinger wrote: > > > Not if the MAC is stored in the volatile smc911x registers. Issuing a > > > soft reset flushes these values - if U-Boot does that, the OS has no > > > change getting them. > > > > then either your u-boot or your OS is misconfigured and you need to fix > > that. as clearly stated in docs/README.enetaddr, the environment is the > > place where mac addresses live when there is no dedicated storage (like > > an eeprom). > > > > ignoring that, the mac address doesnt magically get programmed. if no > > network operation was initiated, then the part wouldnt have been > > programmed anyways, so you're still left with an OS that cant get itself > > functional. > > Ok, true. Thanks for pointing this out. usually what i suggest to people are things like: - pass $(ethaddr) via kernel command line and parse /proc/cmdline - use the u-boot tools to read the u-boot env directly - set the hw address with `ifconfig` or similar tool -mike -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: This is a digitally signed message part. Url : http://lists.denx.de/pipermail/u-boot/attachments/20090426/1123a06b/attachment.pgp