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/ |
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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 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]
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