public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
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

      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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='f661uj$i1s$3@joe.alarsen.net' \
    --to=al@alarsen.net \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox