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[23.128.96.18]) by mx.google.com with ESMTP id k16si5363650ejb.318.2021.05.07.10.33.24; Fri, 07 May 2021 10:33:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=W4lSFsEO; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237942AbhEGPe7 (ORCPT + 99 others); Fri, 7 May 2021 11:34:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:58662 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236209AbhEGPe5 (ORCPT ); Fri, 7 May 2021 11:34:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5061261469; Fri, 7 May 2021 15:33:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620401637; bh=Rrkgpn9mik1GZP33j60X7aBEFSDw4ig/js/u71crsq4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=W4lSFsEO3q/hX5EDSF2S2Am5srm2757sl/aqncCvx0jYOPD+DKTDlpCbPkJOged4g w9DNNqqmHOr20adUqkzZf0TxlkqbK5Q6j7rcixkLLMMjeklphsfHgl5PanF0AqKf++ wqWbOj0Su562exlu7505JQdMYXXFa2L3g3TCpH0LqoXuJtH16zzBoZtOdsxl/VIj3n Ff19hkBZC20vVtLFM31oW589jPtwGHqq3xwQzHE6YUwtNbiYzO2QDvlgD8boaoYQ+I t2r5QYVLucuce6JZDWSi5KBq+sSmQz0kYEibg46N59H6j0ku3tiwrNp82giZn4X58r mq/ds4n5zAWSA== Received: by pali.im (Postfix) id 9AFB57E0; Fri, 7 May 2021 17:33:54 +0200 (CEST) Date: Fri, 7 May 2021 17:33:54 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Bjorn Helgaas Cc: Lorenzo Pieralisi , Thomas Petazzoni , Rob Herring , Bjorn Helgaas , Russell King , Marek =?utf-8?B?QmVow7pu?= , Remi Pommarel , Xogium , Tomasz Maciej Nowak , Marc Zyngier , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 06/42] PCI: aardvark: Fix reporting CRS Software Visibility on emulated bridge Message-ID: <20210507153354.nq2w3b2r32lkpbgq@pali> References: <20210506153153.30454-7-pali@kernel.org> <20210507130307.GA1448097@bjorn-Precision-5520> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210507130307.GA1448097@bjorn-Precision-5520> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 07 May 2021 08:03:07 Bjorn Helgaas wrote: > I'm guessing the aardvark hardware spec is proprietary FYI these are only two publicly accessible Marvell A37xx documents which do not require login to Marvell Customer portal: http://www.marvell.com/content/dam/marvell/en/public-collateral/embedded-processors/marvell-embedded-processors-armada-37xx-product-brief-2016-01.pdf http://www.marvell.com/content/dam/marvell/en/public-collateral/embedded-processors/marvell-embedded-processors-armada-37xx-hardware-specifications-2019-09.pdf And for pci-aardvark.c driver they are mostly useless. Funny part is that second document has PCIe Reset section which mention existence of some bits in some registers but these bits/registers are not documented in any other documentation...