From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: L4 interconnect memory mapping Date: Tue, 29 Dec 2009 15:46:57 -0800 Message-ID: <20091229234657.GO3512@atomide.com> References: <1262129134.28789.96.camel@gandalf> <1262129299.28789.97.camel@gandalf> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:49607 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751420AbZL2XrD (ORCPT ); Tue, 29 Dec 2009 18:47:03 -0500 Content-Disposition: inline In-Reply-To: <1262129299.28789.97.camel@gandalf> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Felipe Balbi Cc: paul@pwsan.com, linux-omap@vger.kernel.org * Felipe Balbi [091229 15:26]: > Hi, > > On Wed, 2009-12-30 at 01:25 +0200, Felipe Balbi wrote: > > Hi Tony and Paul, > > > > maybe a silly question, but here it goes: > > > > Do we have any piece of code handling the L4 interconnect memory space ? > > I mean, looking at omap3 TRM pages 212 - 219, I see that e.g. for the > > musb block we have: > > > > HS USB OTG 0x480AB000 - 0x480ABFFF 4KB Module > > 0x480AC000 - 0x480ACFFF 4KB L4 interconnect > > > > So the first 4K is what we pass down to drivers via struct resource and > > the second 4K ? What do we do with that ? > > no with Paul's address correct. Looks like you might want to update your earlier patch to just comment that the 8K address space for musb is 4K + 4K for L4 interconnect :) Tony