From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/1] ARM: mxs: Get boot mode from OCRAM
Date: Wed, 22 Apr 2015 14:45:56 +0200 [thread overview]
Message-ID: <55379804.7000509@denx.de> (raw)
In-Reply-To: <1427410391-20411-1-git-send-email-joerg.krause@embedded.rocks>
On 26/03/2015 23:53, J?rg Krause wrote:
> Reading the boot mode pins after power-up does not necessarily represent the
> boot mode used by the ROM loader. For example the state of a pin may have
> changed because a recovery switch which was pressed to enter USB mode is
> already released after plugging in USB.
>
> The ROM loader stores the value a fixed address in OCRAM. Use this value
> instead of reading the boot map pins.
>
> The GLOBAL_BOOT_MODE_ADDR for i.MX28 is taken from an U-Boot patch for the
> MX28EVK:
> http://repository.timesys.com/buildsources/u/u-boot/u-boot-2009.08/u-boot-2009.08-mx28-201012211513.patch
>
> Leave the boot mode detection for the i.MX23 untouched. Someone has to test
> whether the i.MX ROM loader does also store the boot mode in OCRAM and if the
> address match.
>
> This patch superseeds my incorrect patch:
> ARM: mxs: get boot mode from OTP
> http://patchwork.ozlabs.org/patch/454930/
>
> Signed-off-by: J?rg Krause <joerg.krause@embedded.rocks>
> Cc: Stefano Babic <sbabic@denx.de>
> ---
Applied to u-boot-imx, thanks !
Best regards,
Stefano Babic
--
=====================================================================
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================
next prev parent reply other threads:[~2015-04-22 12:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-26 22:53 [U-Boot] [PATCH 1/1] ARM: mxs: Get boot mode from OCRAM Jörg Krause
2015-04-22 12:45 ` Stefano Babic [this message]
2015-04-29 10:12 ` Robert Deliën
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=55379804.7000509@denx.de \
--to=sbabic@denx.de \
--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