Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758322AbcCVIyJ (ORCPT ); Tue, 22 Mar 2016 04:54:09 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:33903 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753149AbcCVIyE (ORCPT ); Tue, 22 Mar 2016 04:54:04 -0400 Subject: Re: [PATCH 0/3] ARM: OMAP3: Fix McBSP2/3 hwmod setup for sidetone To: Tony Lindgren References: <1458296929-718-1-git-send-email-peter.ujfalusi@ti.com> <56EFB31C.9090103@ti.com> <20160321202107.GO9329@atomide.com> CC: Paul Walmsley , Liam Girdwood , Mark Brown , Jarkko Nikula , Tero Kristo , , , , , From: Peter Ujfalusi Message-ID: <56F107FF.8080006@ti.com> Date: Tue, 22 Mar 2016 10:53:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <20160321202107.GO9329@atomide.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 824 Lines: 27 Tony, On 03/21/16 22:21, Tony Lindgren wrote: > Hi, > > * Peter Ujfalusi [160321 01:39]: >> >> This is also interesting: >> McBSP2 sidetone is in region 39 and 40 (module and L4 interconnect) which is >> unique in case of OMAP34xx and OMAP35xx, but it is overlapping with GPIO6 on >> OMAP36xx. Not sure what are the implications. > > Hmm GPIO6 is in a different L4 segment though? Maybe > you did not account for the segments? > > 0x49000000 + 0x20000 + 0x2000/0x4000/0x6000 for McBSP > 0x49000000 + 0x50000 + 0x8000 for GPIO6 > > Or maybe I don't understand at which physical address the > overlap is? :) The addresses are not overlapping, but the Region Numbers for GPIO6 and McBSP2 sidetone in Table 9-114 "Region Allocation for L4-Per Interconnect". But only in case of OMAP36xx -- P?ter