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From: Frank Smith <smith@amirix.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Loads function and flow control.
Date: Mon, 26 May 2003 13:37:35 -0300	[thread overview]
Message-ID: <03May26.133048adt.7307@dragon.appliedmicro.ns.ca> (raw)
In-Reply-To: <20030526161628.82FD8C6162@atlas.denx.de>

I can't say off the top of my head.  I'm using a 16 bit strataflash
E28F128J3A in x8 mode, with a custom version of strataflash.c, on
a custom-built Virtex-II Pro development board, with a *very* hacked
down version of PPCboot that runs from about 50K of block RAM,
so there are lots of places where I might have mucked things up.
An 'interesting' configuration....

I hacked it to work by changing the loads code to echo a newline after 
the write to the flash has completed, and configuring kermit to
wait until it sees a newline before it sends a new line.  This
works for me, so I stopped looking into the problem.

-Frank.

> -----Original Message-----
> From: wd at denx.de [mailto:wd at denx.de]
> Sent: May 26, 2003 1:16 PM
> To: Frank Smith
> Cc: u-boot-users at lists.sourceforge.net
> Subject: Re: [U-Boot-Users] Loads function and flow control. 
> 
> 
> In message <03May26.125207adt.7313@dragon.appliedmicro.ns.ca> you wrote:
> > 
> > What about in the case where you are loads-ing directly to a flash
> > region?  I ran across this problem recently (albeit it with 
> PPCBoot-2.0.0).
> 
> It worked fine in all configurations I have  tested.  Assume  8N1  at
> 115200 bps so you get a maximum of 11520 cps or about 87 us per byte.
> How long does your flash chip need for a byte to program?
> 
> Wolfgang Denk
> 
> -- 
> Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
> Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
> ...the increased productivity fostered by a friendly environment  and
> quality  tools  is  essential  to  meet  ever  increasing demands for
> software.               - M. D. McIlroy, E. N. Pinson and B. A. Tague
> 

  reply	other threads:[~2003-05-26 16:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-26 14:37 [U-Boot-Users] Loads function and flow control Christophe.LINDHEIMER at fr.thalesgroup.com
2003-05-26 14:43 ` Robert Schwebel
2003-05-26 15:12   ` [U-Boot-Users] UUOMA - was: " Wolfgang Denk
2003-05-26 15:54     ` Robert Schwebel
2003-05-26 14:46 ` [U-Boot-Users] " Wolfgang Denk
2003-05-26 15:01   ` Robert Schwebel
2003-05-26 15:34     ` Wolfgang Denk
2003-05-26 15:58   ` Frank Smith
2003-05-26 16:16     ` Wolfgang Denk
2003-05-26 16:37       ` Frank Smith [this message]
2003-05-26 17:42         ` Wolfgang Denk
  -- strict thread matches above, loose matches on Subject: below --
2003-05-26 15:48 Christophe.LINDHEIMER at fr.thalesgroup.com
2003-05-26 16:12 ` Wolfgang Denk
2003-05-27  7:56 Christophe.LINDHEIMER at fr.thalesgroup.com
2003-05-27  8:23 ` Wolfgang Denk
2003-05-27  9:49 Christophe.LINDHEIMER at fr.thalesgroup.com
2003-05-27  9:50 ` Wolfgang Denk
2003-05-27 10:10 Christophe.LINDHEIMER at fr.thalesgroup.com
2003-05-27 11:09 ` Wolfgang Denk
2003-05-27 13:39 Christophe.LINDHEIMER at fr.thalesgroup.com

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