From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: socfpga: dm: Fix DM initialization failure after warm reset
Date: Sat, 29 Aug 2015 21:19:42 +0200 [thread overview]
Message-ID: <201508292119.42418.marex@denx.de> (raw)
In-Reply-To: <CAPnjgZ02jq3YtTRvMJ4dkhFZmMKom+=yyWmioO=866EDV+zmtw@mail.gmail.com>
On Saturday, August 29, 2015 at 06:54:54 PM, Simon Glass wrote:
> Hi Marek,
Hi Simon,
[...]
> >> >> Does that mean it skips crt0.S? How come global_data is not zeroed
> >> >> there?
> >> >
> >> > No, it does not mean it skips crt0.S . After the warm reset, the
> >> > bootrom jumps onto the reset vector, so crt0.S (_main) must be
> >> > executed.
> >>
> >> Then I don't understand the need for this patch.
> >
> > Apparently, the gd->dm_root is set to a non-NULL address for some
> > (unknown) reason. I don't quite understand this myself.
> >
> > The only possibility which can lead to gd->dm_root being set to non-NULL
> > address is that crt0.S _main is not executed, is that correct ?
>
> I think so, unless driver model was already inited by a call to
> spl_init(). But I don't see where your board might do that.
That's correct.
Best regards,
Marek Vasut
prev parent reply other threads:[~2015-08-29 19:19 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-28 8:41 [U-Boot] [PATCH] arm: socfpga: dm: Fix DM initialization failure after warm reset Jian Luo
2015-08-28 9:24 ` Marek Vasut
2015-08-28 10:27 ` Jian Luo
2015-08-28 10:30 ` Marek Vasut
2015-08-28 11:40 ` Jian Luo
2015-08-28 12:01 ` Marek Vasut
2015-08-28 12:09 ` Jian Luo
2015-08-28 21:48 ` Marek Vasut
2015-08-31 13:00 ` Jian Luo
2015-08-31 13:28 ` Marek Vasut
2015-09-02 16:27 ` Jian Luo
2015-09-03 9:41 ` Marek Vasut
2015-09-03 10:03 ` Jian Luo
2015-09-03 10:09 ` Marek Vasut
2015-09-03 10:17 ` Jian Luo
2015-09-03 10:46 ` Marek Vasut
2015-09-03 11:12 ` Jian Luo
2015-09-03 11:14 ` Marek Vasut
2015-09-04 0:23 ` Simon Glass
2015-09-04 7:36 ` Jian Luo
2015-09-04 14:16 ` Simon Glass
2015-09-04 14:25 ` Marek Vasut
2015-09-04 14:26 ` Simon Glass
2015-09-04 14:32 ` Marek Vasut
2015-09-22 12:26 ` Jian Luo
2015-08-28 23:21 ` Simon Glass
2015-08-29 7:56 ` Marek Vasut
2015-08-29 14:39 ` Simon Glass
2015-08-29 14:46 ` Marek Vasut
2015-08-29 14:49 ` Simon Glass
2015-08-29 15:45 ` Marek Vasut
2015-08-29 16:54 ` Simon Glass
2015-08-29 19:19 ` Marek Vasut [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=201508292119.42418.marex@denx.de \
--to=marex@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 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.