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=-9.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6D38BC433E1 for ; Wed, 24 Mar 2021 16:19:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F7B761A15 for ; Wed, 24 Mar 2021 16:19:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232800AbhCXQS5 (ORCPT ); Wed, 24 Mar 2021 12:18:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:34816 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234202AbhCXQSY (ORCPT ); Wed, 24 Mar 2021 12:18:24 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6800061A0E; Wed, 24 Mar 2021 16:18:24 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lP6D8-003YUT-Ox; Wed, 24 Mar 2021 16:18:22 +0000 Date: Wed, 24 Mar 2021 16:18:21 +0000 Message-ID: <87wntwikz6.wl-maz@kernel.org> From: Marc Zyngier To: Jianjun Wang Cc: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Ryder Lee , Philipp Zabel , Matthias Brugger , , , , , , , , , , , , , Krzysztof Wilczyski , Pali =?UTF-8?B?Um9ow6Fy?= Subject: Re: [v9,5/7] PCI: mediatek-gen3: Add MSI support In-Reply-To: <20210324030510.29177-6-jianjun.wang@mediatek.com> References: <20210324030510.29177-1-jianjun.wang@mediatek.com> <20210324030510.29177-6-jianjun.wang@mediatek.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: jianjun.wang@mediatek.com, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, ryder.lee@mediatek.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, youlin.pei@mediatek.com, chuanjia.liu@mediatek.com, qizhong.cheng@mediatek.com, sin_jieyang@mediatek.com, drinkcat@chromium.org, Rex-BC.Chen@mediatek.com, anson.chuang@mediatek.com, kw@linux.com, pali@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 24 Mar 2021 03:05:08 +0000, Jianjun Wang wrote: > > Add MSI support for MediaTek Gen3 PCIe controller. > > This PCIe controller supports up to 256 MSI vectors, the MSI hardware > block diagram is as follows: > > +-----+ > | GIC | > +-----+ > ^ > | > port->irq > | > +-+-+-+-+-+-+-+-+ > |0|1|2|3|4|5|6|7| (PCIe intc) > +-+-+-+-+-+-+-+-+ > ^ ^ ^ > | | ... | > +-------+ +------+ +-----------+ > | | | > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > |0|1|...|30|31| |0|1|...|30|31| |0|1|...|30|31| (MSI sets) > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ > | | | | | | | | | | | | (MSI vectors) > | | | | | | | | | | | | > > (MSI SET0) (MSI SET1) ... (MSI SET7) > > With 256 MSI vectors supported, the MSI vectors are composed of 8 sets, > each set has its own address for MSI message, and supports 32 MSI vectors > to generate interrupt. > > Signed-off-by: Jianjun Wang > Acked-by: Ryder Lee Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible. 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=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham 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 17C0AC433C1 for ; Wed, 24 Mar 2021 16:18:53 +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 B2B91619EC for ; Wed, 24 Mar 2021 16:18:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2B91619EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; 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Wed, 24 Mar 2021 16:18:39 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lP6DB-00HNBA-RQ; Wed, 24 Mar 2021 16:18:28 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6800061A0E; Wed, 24 Mar 2021 16:18:24 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lP6D8-003YUT-Ox; Wed, 24 Mar 2021 16:18:22 +0000 Date: Wed, 24 Mar 2021 16:18:21 +0000 Message-ID: <87wntwikz6.wl-maz@kernel.org> From: Marc Zyngier To: Jianjun Wang Cc: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Ryder Lee , Philipp Zabel , Matthias Brugger ,, ,, ,, ,, ,, ,, , Krzysztof Wilczyski , Pali =?UTF-8?B?Um9ow6Fy?= Subject: Re: [v9,5/7] PCI: mediatek-gen3: Add MSI support In-Reply-To: <20210324030510.29177-6-jianjun.wang@mediatek.com> References: <20210324030510.29177-1-jianjun.wang@mediatek.com> <20210324030510.29177-6-jianjun.wang@mediatek.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: jianjun.wang@mediatek.com, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, ryder.lee@mediatek.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, youlin.pei@mediatek.com, chuanjia.liu@mediatek.com, qizhong.cheng@mediatek.com, sin_jieyang@mediatek.com, drinkcat@chromium.org, Rex-BC.Chen@mediatek.com, anson.chuang@mediatek.com, kw@linux.com, pali@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210324_161826_357458_ABE915A1 X-CRM114-Status: GOOD ( 15.14 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Wed, 24 Mar 2021 03:05:08 +0000, Jianjun Wang wrote: > > Add MSI support for MediaTek Gen3 PCIe controller. > > This PCIe controller supports up to 256 MSI vectors, the MSI hardware > block diagram is as follows: > > +-----+ > | GIC | > +-----+ > ^ > | > port->irq > | > +-+-+-+-+-+-+-+-+ > |0|1|2|3|4|5|6|7| (PCIe intc) > +-+-+-+-+-+-+-+-+ > ^ ^ ^ > | | ... | > +-------+ +------+ +-----------+ > | | | > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > |0|1|...|30|31| |0|1|...|30|31| |0|1|...|30|31| (MSI sets) > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ > | | | | | | | | | | | | (MSI vectors) > | | | | | | | | | | | | > > (MSI SET0) (MSI SET1) ... (MSI SET7) > > With 256 MSI vectors supported, the MSI vectors are composed of 8 sets, > each set has its own address for MSI message, and supports 32 MSI vectors > to generate interrupt. > > Signed-off-by: Jianjun Wang > Acked-by: Ryder Lee Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible. _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C60DFC433C1 for ; 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Wed, 24 Mar 2021 16:18:22 +0000 Date: Wed, 24 Mar 2021 16:18:21 +0000 Message-ID: <87wntwikz6.wl-maz@kernel.org> From: Marc Zyngier To: Jianjun Wang Cc: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Ryder Lee , Philipp Zabel , Matthias Brugger ,, ,, ,, ,, ,, ,, , Krzysztof Wilczyski , Pali =?UTF-8?B?Um9ow6Fy?= Subject: Re: [v9,5/7] PCI: mediatek-gen3: Add MSI support In-Reply-To: <20210324030510.29177-6-jianjun.wang@mediatek.com> References: <20210324030510.29177-1-jianjun.wang@mediatek.com> <20210324030510.29177-6-jianjun.wang@mediatek.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: jianjun.wang@mediatek.com, bhelgaas@google.com, robh+dt@kernel.org, lorenzo.pieralisi@arm.com, ryder.lee@mediatek.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, youlin.pei@mediatek.com, chuanjia.liu@mediatek.com, qizhong.cheng@mediatek.com, sin_jieyang@mediatek.com, drinkcat@chromium.org, Rex-BC.Chen@mediatek.com, anson.chuang@mediatek.com, kw@linux.com, pali@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210324_161826_357458_ABE915A1 X-CRM114-Status: GOOD ( 15.14 ) 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 Wed, 24 Mar 2021 03:05:08 +0000, Jianjun Wang wrote: > > Add MSI support for MediaTek Gen3 PCIe controller. > > This PCIe controller supports up to 256 MSI vectors, the MSI hardware > block diagram is as follows: > > +-----+ > | GIC | > +-----+ > ^ > | > port->irq > | > +-+-+-+-+-+-+-+-+ > |0|1|2|3|4|5|6|7| (PCIe intc) > +-+-+-+-+-+-+-+-+ > ^ ^ ^ > | | ... | > +-------+ +------+ +-----------+ > | | | > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > |0|1|...|30|31| |0|1|...|30|31| |0|1|...|30|31| (MSI sets) > +-+-+---+--+--+ +-+-+---+--+--+ +-+-+---+--+--+ > ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ > | | | | | | | | | | | | (MSI vectors) > | | | | | | | | | | | | > > (MSI SET0) (MSI SET1) ... (MSI SET7) > > With 256 MSI vectors supported, the MSI vectors are composed of 8 sets, > each set has its own address for MSI message, and supports 32 MSI vectors > to generate interrupt. > > Signed-off-by: Jianjun Wang > Acked-by: Ryder Lee Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel