From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754683AbbIRV5T (ORCPT ); Fri, 18 Sep 2015 17:57:19 -0400 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:38473 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754412AbbIRV5R (ORCPT ); Fri, 18 Sep 2015 17:57:17 -0400 X-IronPort-AV: E=Sophos;i="5.17,554,1437462000"; d="scan'208";a="75528764" Subject: Re: [PATCH v2 4/9] ARM: dts: Put Cygnus core components under core bus To: Arnd Bergmann , References: <1442611454-16331-1-git-send-email-rjui@broadcom.com> <1442611454-16331-5-git-send-email-rjui@broadcom.com> <1472876.fGCm1r9KFG@wuerfel> CC: Florian Fainelli , Rob Herring , Mark Rutland , , Pawel Moll , Ian Campbell , , , Kumar Gala From: Ray Jui Message-ID: <55FC88BB.2000608@broadcom.com> Date: Fri, 18 Sep 2015 14:57:15 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1472876.fGCm1r9KFG@wuerfel> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/18/2015 2:30 PM, Arnd Bergmann wrote: > On Friday 18 September 2015 14:24:09 Ray Jui wrote: >> >> + core { >> + compatible = "simple-bus"; >> + ranges; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + >> + timer@19020200 { >> + compatible = "arm,cortex-a9-global-timer"; >> + reg = <0x19020200 0x100>; >> + interrupts = ; >> + clocks = <&periph_clk>; >> + }; >> + >> + gic: interrupt-controller@19021000 { >> > > Could it be that all 'core' components are in the 0x19xxxxxx address range? > If so, please set up an appropriate ranges property for the bus. Also > add the address field for the bus according to which addresses are routed > to it. > > Arnd > Yes all 'core' components are in the 0x19xxxxx address range for Cygnus. It's fine and makes sense to set up proper ranges for this bus. But I might have some issues with the 'soc' components and the 'soc' bus, which I'll explain and discuss on the next email. Ray