From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 0/3] ARM: OMAP3: Fix McBSP2/3 hwmod setup for sidetone Date: Tue, 22 Mar 2016 12:29:52 -0700 Message-ID: <20160322192951.GP9329@atomide.com> References: <1458296929-718-1-git-send-email-peter.ujfalusi@ti.com> <56EFB31C.9090103@ti.com> <20160321202107.GO9329@atomide.com> <56F107FF.8080006@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <56F107FF.8080006-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Ujfalusi Cc: Paul Walmsley , Liam Girdwood , Mark Brown , Jarkko Nikula , Tero Kristo , linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org List-Id: devicetree@vger.kernel.org * Peter Ujfalusi [160322 01:54]: > 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 Oh OK, yeah the TRM region numbers are wrong, they skip unused entries compared to the hardware AP table :) Basically the TRM AP region numbering is useless and wrong. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html