From: "Richard Hendricks" <richard.hendricks@motorola.com>
To: Jim Lewis <jlewis@mvista.com>
Cc: Jochen Roth <jochen@znyx.com>, linuxppc-embedded@lists.linuxppc.org
Subject: Re: Board boots when in BDM, hangs otherwise
Date: Tue, 02 May 2000 10:01:25 -0500 [thread overview]
Message-ID: <390EEDC5.362C58FB@motorola.com> (raw)
In-Reply-To: 390E1575.5FED84DD@mvista.com
Jim Lewis wrote:
>
> Hi Josh,
..
> Ther is one register that the IN command sets that it does not tell you about. That
> is the ICTRL register, which controls serialization of the core, among other
> things. On powerup, it is set to SHOW-ALL-INSTRUCTION-FETCH-CYCLES. Some 8xx
> processors have problems with this. Read the errata. Check to make sure you are
> setting ICTRL to something like 0x07 in your firmware.
>
> -Jim
This is also probably the source of your slowdown when running
off of BDM.
Also make sure the watchdog is disabled (Dan's code does this, I think).
If anyone is interested, I can post the startup file I use for
running from flash on the FADS board using Metrowerks. I finally
figured out a way that I can run the same flash image standalone,
and through MPC8bug.
--
MPC823 Applications Engineering Development
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-05-02 15:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-01 22:40 Board boots when in BDM, hangs otherwise Jochen Roth
2000-05-01 23:38 ` Jim Lewis
2000-05-02 13:59 ` Joshua Horvath
2000-05-02 15:01 ` Richard Hendricks [this message]
2000-05-02 21:22 ` Richard Hendricks
-- strict thread matches above, loose matches on Subject: below --
2000-05-01 19:36 Joshua Horvath
2000-05-01 22:39 ` Dan Malek
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=390EEDC5.362C58FB@motorola.com \
--to=richard.hendricks@motorola.com \
--cc=jlewis@mvista.com \
--cc=jochen@znyx.com \
--cc=linuxppc-embedded@lists.linuxppc.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.