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From: Daniel Mack <daniel@caiaq.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/3] smc911x: do net reset the chip if no	EEPROM is connected
Date: Tue, 21 Apr 2009 13:13:10 +0200	[thread overview]
Message-ID: <20090421111310.GA32352@buzzloop.caiaq.de> (raw)
In-Reply-To: <200904082357.38602.vapier@gentoo.org>

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.

Daniel

  reply	other threads:[~2009-04-21 11:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-08 11:23 [U-Boot] [PATCH 1/3] smc911x: write back the manually set MAC address Daniel Mack
2009-04-08 11:23 ` [U-Boot] [PATCH 2/3] smc911x: add support for LAN9220 Daniel Mack
2009-04-08 11:23   ` [U-Boot] [PATCH 3/3] smc911x: do net reset the chip if no EEPROM is connected Daniel Mack
2009-04-08 22:00     ` Mike Frysinger
2009-04-09  0:08       ` Daniel Mack
2009-04-09  3:57         ` Mike Frysinger
2009-04-21 11:13           ` Daniel Mack [this message]
2009-04-27  3:14             ` Mike Frysinger
2009-04-27 14:44               ` Daniel Mack
2009-04-27 15:56                 ` Mike Frysinger
2009-04-27 19:05                   ` Scott Wood
2009-04-23  5:36   ` [U-Boot] [PATCH 2/3] smc911x: add support for LAN9220 Ben Warren
2009-04-21 11:13 ` [U-Boot] [PATCH 1/3] smc911x: write back the manually set MAC address Daniel Mack
2009-04-21 11:38 ` Sascha Hauer
2009-04-21 11:44   ` Daniel Mack
2009-04-21 13:28     ` Ben Warren
2009-04-21 13:30       ` Daniel Mack
2009-04-23  5:36 ` Ben Warren
2009-05-21  5:03   ` Dirk Behme
2009-06-05 10:02     ` Wolfgang Denk
2009-05-05 20:01 ` Mike Frysinger

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