From: Anders Larsen <al@alarsen.net>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] WG: AT91RM9200 CFI Flash and Timer Functions sporadically fail - SOLVED -
Date: Sat, 30 Jun 2007 16:55:47 +0000 (UTC) [thread overview]
Message-ID: <f661uj$i1s$3@joe.alarsen.net> (raw)
In-Reply-To: F6726C3E89A64840A5E10310E342A38F02B25A2F@xchback01.back.harting.intra
On Thu, 28 Jun 2007 13:59:34 +0200, Erdmann, Thomas wrote:
> The problem was the 32 bit variable "timestamp" in interrupts.c.
> The 16 bit timer TC0 is clocked with 30MHz and "software extended" to 32
> bit in timestamp. It gets an overflow all ~133s. When the overflow falls
> in an flash erase or flash program cycle a false timeout is detected.
Exactly.
I posted a patch to fix this on the 28. february, see
http://sourceforge.net/mailarchive/message.php?msg_name=1172671129l.26528l.1l%40ecxwww1.reanet.de
Cheers
Anders
prev parent reply other threads:[~2007-06-30 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-28 11:59 [U-Boot-Users] WG: AT91RM9200 CFI Flash and Timer Functions sporadically fail - SOLVED - Erdmann, Thomas
2007-06-30 16:55 ` Anders Larsen [this message]
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