public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
From: Stephen Caudle <stephen@doceme.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] RTC value corruption on QIL-A9G20 startup
Date: Thu, 27 Aug 2009 21:57:25 -0400	[thread overview]
Message-ID: <c2b149fd0908271857p429511fet4a095c83f7f74ea7@mail.gmail.com> (raw)
In-Reply-To: <657FC3AB549C7F4DB01F4397232ED733643383734D@Exchange2007.techatl.com>

On Thu, Aug 27, 2009 at 1:48 PM, William C. Landolina<wcl@techatl.com> wrote:
> Has there been any resolution on this? ?From what I can see (with scope and logic analyzer) the RTC seems to be corrupted by the DataFlash boot code built into the chip. ?[The Calao board doesn't have the DataFlash memory and used the chip select for its RTC instead...]

No resolution here.  I am still seeing the problem (even on the next
branch).  This definitely seems to be caused by the processor boot
ROM.

> Has anyone found a smoking gun inside U-Boot or will we have to wait for Calao to make boards with the RTC on a different chip select?

I believe a hardware change is the only way to fix this problem.

Regards,
Stephen

  parent reply	other threads:[~2009-08-28  1:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-25  2:01 [U-Boot] RTC value corruption on QIL-A9G20 startup Stephen Caudle
2009-08-25  8:37 ` Albin Tonnerre
2009-08-25  9:38   ` Eric Bénard
2009-08-25 12:51     ` Stephen Caudle
2009-08-25 16:48       ` Albin Tonnerre
2009-08-27 17:48         ` William C. Landolina
2009-08-27 20:57           ` Eric Bénard
2009-08-28  1:57           ` Stephen Caudle [this message]
2009-08-25 12:49   ` Stephen Caudle

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=c2b149fd0908271857p429511fet4a095c83f7f74ea7@mail.gmail.com \
    --to=stephen@doceme.com \
    --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