From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CAC45C433B4 for ; Fri, 7 May 2021 15:34:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E05F61480 for ; Fri, 7 May 2021 15:34:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237951AbhEGPfB (ORCPT ); Fri, 7 May 2021 11:35:01 -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... From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DC30C433B4 for ; Fri, 7 May 2021 15:35:40 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ED41161476 for ; Fri, 7 May 2021 15:35:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED41161476 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=w1wJjTMix3Tq/1Xo8WWa4c3osawWVKf/Ns2CToIynD8=; b=ZsPhxS78rRYWv0ILPxPkgZGRc CVid+UNAaz33OEFw7bsFLLcj9ThRrPcuz5iQh+eYnrQT3F/Kn7XN6NHpn/E87gs2om/XxsunA74Lw Yb0DSCS+VIoazwB/8C10Kc4HR8WFHnkRDi8lw4b0zKE21m5pZdgyVKcIQNShzqOBmS7Mn298nmTyB MTaCWH70mu2YF0FtWsJQ0n4U00CW3mfZIBUulEIwLY71e57brC3D34O/kE7gVdTmtOvdiKRSddt3C Si2nJmE2eDU3b+4j7WRyRkxDPmyYKKH8f8qdEyl5ggvsK/ZqYumUEwRkNusg8XXs21OJGw9jIWR1D BZrQ9Y3MA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lf2UN-007QxO-0M; Fri, 07 May 2021 15:34:03 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lf2UK-007Qwx-Hi for linux-arm-kernel@desiato.infradead.org; Fri, 07 May 2021 15:34:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Rrkgpn9mik1GZP33j60X7aBEFSDw4ig/js/u71crsq4=; b=MQE9SaJoS53q91peL/TzkeGZjj UTpfHqB/vBCVYOOsMiL45ZMl+9O7LhXq+S0KVwdsUGHesllo1UN9fITkVCj+Rm5CnzwjZ7HjHWJaL 5AAoy3FuI+rbZWe6QsjPm0uKIDwsZxzUoOtIVz8EO3q3bC4n28Zdlw60m8FbQmIwbUoK0+3eKFpCZ Fs0Tf9QSiITw0geOYOoK7W4KDq+2bkcFlr24TGnx2iNoONcnY1wL+/JbHo1pydfWVB36Abm8iNp6Z anZMy8Gtv1uCWQ+gyLtSOH7pxRPKhylpjKcQgZ5sk3/NwjUKWfHCMhH6Ueh1kdps5wUTLeww5umxA VQymlBJw==; Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lf2UH-006y02-TW for linux-arm-kernel@lists.infradead.org; Fri, 07 May 2021 15:33:59 +0000 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-Disposition: inline In-Reply-To: <20210507130307.GA1448097@bjorn-Precision-5520> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210507_083358_002789_823E35D4 X-CRM114-Status: UNSURE ( 6.35 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel