From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id E1DC5DDED4 for ; Fri, 21 Dec 2007 07:44:04 +1100 (EST) Subject: Re: [PATCH 11/20] [POWERPC] Wire up PCI on Bamboo board From: Benjamin Herrenschmidt To: Valentine Barshak In-Reply-To: <476ACFD8.1000506@ru.mvista.com> References: <20071213073845.1D311DE053@ozlabs.org> <47691DE6.8050901@ru.mvista.com> <1198095967.18908.33.camel@pasglop> <476ACFD8.1000506@ru.mvista.com> Content-Type: text/plain Date: Fri, 21 Dec 2007 07:43:36 +1100 Message-Id: <1198183416.6779.14.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org Reply-To: benh@kernel.crashing.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2007-12-20 at 23:26 +0300, Valentine Barshak wrote: > Just checked the ppc440ep user manual again. > Special cycle/IACK registers are at 0xeed00000 instead of 0xeed80000. > Looks like the same typo as in the internal registers. > It works because all these registers are mirrored at 0x80000 offset > (though it's claimed to be a reserved region). Well, as for IACK, it also probably works because nobody uses it :-) I put it in the device-tree for completeness (and in case somebody ever uses it) but so far, nobody does and there is no proper interface to expose it in linux. Ben.