From mboxrd@z Thu Jan 1 00:00:00 1970 From: super.firetwister@googlemail.com Subject: Re: UIO not working on ppc405 onchip registers Date: Tue, 22 Jul 2008 18:20:21 +0200 Message-ID: <200807221820.22333.super.firetwister@gmail.com> References: <200807212152.16080.super.firetwister@gmail.com> <20080722061730.GB12576@digi.com> <200807220947.43074.super.firetwister@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:to:subject:date:user-agent:cc :references:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:message-id:from; bh=GvXWdLccb6zTTKQgHpjqqc0IqXL0oUq/8GpCs34e2oE=; b=gLZCM//ByrONQ1iL0WAr3E4Q0l9sFPCroWpBwmGG6aGpQ4AUhT58L/q7K/o6tly5Hd uDGjkKzmdcLYbMDKK2OzA7cN+cUZG7OWvdGTyoKEVKSQ1lW5Hv4rCdJemtwuZiF0genX Ng8KHP3ST0iiaAyuSm4KsEZN0xp6T2m6GdWdY= In-Reply-To: <200807220947.43074.super.firetwister@gmail.com> Content-Disposition: inline Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Uwe =?iso-8859-1?q?Kleine-K=F6nig?= Cc: "linuxppc-dev@ozlabs.org" , "linux-embedded@vger.kernel.org" On Tuesday 22 July 2008, super.firetwister@gmail.com wrote: > Hello Uwe, > > On Tuesday 22 July 2008, Uwe Kleine-K=F6nig wrote: > > I don't know powerpc in general nor ppc405ep in detail but IIRC arm= has > > problems if some memory is mapped twice. Might this be the problem > > here? > > Maybee, the emac0 (0xef600800) and emac1 (0xef600900) get mapped as w= ell, > because AFAIK I have to map a whole pagesize (0x1000). Same problem without emac module loaded. Did anybody tried to reproduce the problem? Regards Markus