From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.fh-wedel.de ([195.37.86.23]) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 18MUUL-0002Ae-00 for ; Thu, 12 Dec 2002 14:38:57 +0000 Date: Thu, 12 Dec 2002 16:09:29 +0100 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Tobias Otto-Adamczak Cc: linux-mtd@lists.infradead.org, Geoffroy Stevenne Subject: Re: bbram access problems Message-ID: <20021212150929.GC29974@wohnheim.fh-wedel.de> References: <20021212134542.GB29974@wohnheim.fh-wedel.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: On Thu, 12 December 2002 15:09:11 +0100, Tobias Otto-Adamczak wrote: > [joern's ignorance of braindead pc hardware removed] > > Other question: does the slram driver map this area in when it is > already covered by the kernel ? To my knowledge, yes. The driver is unaware of linux memory management and simply ioremaps physical memory. If the kernel already uses this area, you are in trouble. But I think to remember that for i386 architecture the first 1MB of memory has special treatment. Might be worth a look. Jörn -- Fantasy is more important than knowlegde. Knowlegde is limited, while fantasy embraces the whole world. -- Albert Einstein