From: Juergen Beisert <jbe@pengutronix.de>
To: barebox@lists.infradead.org
Subject: Re: about the dm9000 in mini2440
Date: Fri, 7 Dec 2012 09:45:17 +0100 [thread overview]
Message-ID: <201212070945.17917.jbe@pengutronix.de> (raw)
In-Reply-To: <3321499.8IcqMiOG7l@yiqingliang-pc>
Yi Qingliang wrote:
> On Thursday, December 06, 2012 12:27:45 PM Eric Bénard wrote:
> > Le Thu, 06 Dec 2012 15:55:23 +0000,
> >
> > Yi Qingliang <niqingliang2003@gmail.com> a écrit :
> > > the address of dm9000 is 0x28000000, it should be cs5, but in function
> > > "mini2440_devices_init", it set the cs4 instead, why??
> >
> > The mini2440 supported in Barebox is this one and maybe not the one
> > your are using ;-)
> > http://www.friendlyarm.net/products/mini2440
>
> there is "mini2440 friendlyARM" on my board, whose color is white.
> blue pcb, maybe friendlyARM has multi version mini2440?
FriendlyARM has some copyist. A blue PCB I have never seen yet.
> I say the 0x28000000 is cs5, based on the memory layout picture in the
> manual. although the schematics is same as Juergen Beisert's.
And the schematics says it is CS4.
> I can't get the original disk, only the board. So how to check the EED0?
> ps: In the manual of dm9000, it said that EED0 is pulled down internaly.
Sure. But if you have some power floating around your board the chip might
detect a high level at system start. But this idea is just a shot into the
dark.
Regards,
Juergen
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
prev parent reply other threads:[~2012-12-07 8:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 15:55 about the dm9000 in mini2440 Yi Qingliang
2012-12-06 8:09 ` Juergen Beisert
2012-12-06 16:24 ` Yi Qingliang
2012-12-06 10:56 ` Juergen Beisert
2012-12-07 13:05 ` Yi Qingliang
2012-12-07 8:38 ` Juergen Beisert
2012-12-07 13:10 ` Yi Qingliang
2012-12-07 8:39 ` Juergen Beisert
2012-12-06 11:27 ` Eric Bénard
2012-12-07 8:41 ` Yi Qingliang
2012-12-07 8:45 ` Juergen Beisert [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=201212070945.17917.jbe@pengutronix.de \
--to=jbe@pengutronix.de \
--cc=barebox@lists.infradead.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.