From patchwork Tue Feb 9 08:42:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077435 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 C95CCC433E6 for ; Tue, 9 Feb 2021 08:44:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 71B7064EC8 for ; Tue, 9 Feb 2021 08:44:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71B7064EC8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DTykCq1KBo7T7oyAKQlnNyNimHOfL+UbhEUeTL+iBCs=; b=fiRA5MOHjMBg/4Da2DC5jRctu ZooBZeS+jHmDXpJ5oWavavyov9MXE4Cuz8wV4qTc5kN/Hy4bVVfrClgvBjaokRAUR0m2rev6s5cAs V5Ye87setQTT7y1w0WRS70Y9BLtbjZoXbasxocCtY+yJJgCg56XwAgX1jjvkfUnwBNj4k/l2ROhIJ oOpftx0bvpjKPpsgqkEYXup24LL8lPygYIU3SXle6Lm6ddyVwHbjYTisTjoUPgIBnezOhVU2TEjYM r6XefUzfd4r6klCW//EZ3oEwHKDg1q5b/ojUoyKtIBBUTclguj/X1sB8S+8SA6Y51W84lROBy5IeX Wao6Ihu1Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oc5-00037Q-Ou; Tue, 09 Feb 2021 08:43:13 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oc3-00036h-3v for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:43:11 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198a67m003792; Tue, 9 Feb 2021 00:43:03 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=gydshgIQ+ZkNNgRnhgR/amHg+u+odtq9xNAUJtzy0AM=; b=UO8VRF8Vq2o06xqUtwYclBljkqk2FVxCM64c2Xnj60YoCUm1jZj8zkNKcrTTAaw2SUYI yP5DdyZWbl9AbjxpMVirrpzZUutZyUvc+l0T+P6td9AZKJQrSbKZuP3ceH723VJ5q5EZ Ck7u6jfS2NCpWVykwPSnRKytLxTcEdxrz8aS8ehGA6Un380Jx9weRtLfThP0xcTstx1c 1CXTTzWEpRdmo2gvXCSr1mJ58jTv1qv7DBWqdVzxiaALX/4eiMyzpxNQUhZt9kF9cNM9 65vS+mDwukCAb8YxdrohfDKs4MVSHsp5Tizj2ANAMithKyakx+802PWxj+5o9ui5VUEH TA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com with ESMTP id 36hsbrfspy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:43:03 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:43:01 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:43:01 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id D65873F703F; Tue, 9 Feb 2021 00:42:57 -0800 (PST) From: To: Subject: [PATCH v11 net-next 01/15] doc: marvell: add CM3 address space and PPv2.3 description Date: Tue, 9 Feb 2021 10:42:17 +0200 Message-ID: <1612860151-12275-2-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034311_320133_48FA5869 X-CRM114-Status: GOOD ( 14.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski Patch adds CM3 address space and PPv2.3 description. Signed-off-by: Stefan Chulski --- Documentation/devicetree/bindings/net/marvell-pp2.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/net/marvell-pp2.txt b/Documentation/devicetree/bindings/net/marvell-pp2.txt index b783976..ce15c17 100644 --- a/Documentation/devicetree/bindings/net/marvell-pp2.txt +++ b/Documentation/devicetree/bindings/net/marvell-pp2.txt @@ -1,5 +1,6 @@ * Marvell Armada 375 Ethernet Controller (PPv2.1) Marvell Armada 7K/8K Ethernet Controller (PPv2.2) + Marvell CN913X Ethernet Controller (PPv2.3) Required properties: @@ -12,10 +13,11 @@ Required properties: - common controller registers - LMS registers - one register area per Ethernet port - For "marvell,armada-7k-pp2", must contain the following register + For "marvell,armada-7k-pp2" used by 7K/8K and CN913X, must contain the following register sets: - packet processor registers - networking interfaces registers + - CM3 address space used for TX Flow Control - clocks: pointers to the reference clocks for this device, consequently: - main controller clock (for both armada-375-pp2 and armada-7k-pp2) @@ -81,7 +83,7 @@ Example for marvell,armada-7k-pp2: cpm_ethernet: ethernet@0 { compatible = "marvell,armada-7k-pp22"; - reg = <0x0 0x100000>, <0x129000 0xb000>; + reg = <0x0 0x100000>, <0x129000 0xb000>, <0x220000 0x800>; clocks = <&cpm_syscon0 1 3>, <&cpm_syscon0 1 9>, <&cpm_syscon0 1 5>, <&cpm_syscon0 1 6>, <&cpm_syscon0 1 18>; clock-names = "pp_clk", "gop_clk", "mg_clk", "mg_core_clk", "axi_clk"; From patchwork Tue Feb 9 08:42:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077437 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 32E8DC433E0 for ; Tue, 9 Feb 2021 08:44:50 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 D603364EC7 for ; Tue, 9 Feb 2021 08:44:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D603364EC7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ndswZ89Xr0VUvMNRhXiVaHm34WrMj4e58pg/ohbYlWM=; b=ZmwUGKuzXKYoqfuW9snIJ/0ti mrRRFWo56P6ghB0t2w90iXSe6hgMvxlQFCsyIaKNSjUX9TDD/EpU6zMjPoNBCv2MxBGijYOWQnRjv rZMtw5SIn5xOReljKOlKdWunsL68fSQ7lkENPsfrvH5YAXkX8wZaR5FCj//X9tSUfrqNh3sLQWwO+ qoyIwZNYRM6mS8zSZmf+m6nHD88p+59+ZzA6Ueusy9v/+i4qwy94wlDz+GA8JuzNXPo6ocVTYbs2R oEbG9oWRQ0Bb6GoKLyfNMFL/+Xk36W1g83o1R92p1dN/CdtFED7Ld6ksd/yygXc8mLcJcq6yyH1Ft L0say2cGg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OcN-0003DB-FU; Tue, 09 Feb 2021 08:43:31 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OcK-0003Bu-Qm for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:43:29 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198a96X003809; Tue, 9 Feb 2021 00:43:20 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=RdNj1xs03e1paOFCKsPuFia7ORTcb4m3bYZEEMGW1cU=; b=bc0QrbiXSD02eF1GD8eCElpJ/5vOs3NyyVx9AxzmQo9Hc1+brYPszsOX04heSa865cDF 4OPiaKJXJRDhGZsE6ChYNDMbU/IOlUsQkIr86cocrtCy9xVcGeCpG1dDVJFEEWp87DVU gRg/dy1BMG9ISO2YuNsOpnUns3U2INlC3vzCU5LFncrYDgLLv6RNSy/FAmqQBSV9VtZe rBulMXZ8oU1UH6h4ILBpL6tf/kTX87F9LZmZzIGx8bZawX46xdFqlda9skAB3c0/67Y2 Hr55vH2b3wGGlPC8gfv4JGT2t3UXmWyaX8yCr5X+9BDV4I4BLZlnzAlk7YbnX3gbXhEe wg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 36hsbrfsqb-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:43:20 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:43:19 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:43:19 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 12E993F7043; Tue, 9 Feb 2021 00:43:14 -0800 (PST) From: To: Subject: [PATCH v11 net-next 02/15] dts: marvell: add CM3 SRAM memory to cp11x ethernet device tree Date: Tue, 9 Feb 2021 10:42:18 +0200 Message-ID: <1612860151-12275-3-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034329_008912_23AF5E47 X-CRM114-Status: GOOD ( 14.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, Konstantin Porotchkin , stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Konstantin Porotchkin CM3 SRAM address space would be used for Flow Control configuration. Signed-off-by: Stefan Chulski Signed-off-by: Konstantin Porotchkin --- arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi index 9dcf16b..6fe0d26 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi @@ -59,7 +59,7 @@ CP11X_LABEL(ethernet): ethernet@0 { compatible = "marvell,armada-7k-pp22"; - reg = <0x0 0x100000>, <0x129000 0xb000>; + reg = <0x0 0x100000>, <0x129000 0xb000>, <0x220000 0x800>; clocks = <&CP11X_LABEL(clk) 1 3>, <&CP11X_LABEL(clk) 1 9>, <&CP11X_LABEL(clk) 1 5>, <&CP11X_LABEL(clk) 1 6>, <&CP11X_LABEL(clk) 1 18>; From patchwork Tue Feb 9 08:42:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077439 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 85CC1C433E6 for ; Tue, 9 Feb 2021 08:45:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 387C764EC9 for ; Tue, 9 Feb 2021 08:45:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 387C764EC9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qdDV+KGirffuydxa0pylZTrh8mLrs4y6+F3jmFLMSeY=; b=YWxX3hxjwaC2NtR3eORS79FbC 5KbtN/bFcbrmJlPHQbdyAOqMf0fPnG/p9gicB/4dmvW3XBoD57k9GtVloIvLOl1DRyBqYM68bwJMA /7W2OGbXPyolSKNOwtTzYgoklD5B9hfk3mNnG5ilQr8u9b1j909GwjYM3wWUtcRYCXGhZmm8OKukF AAev2zuX2EXPKwEUy2kp/eQIuLPxR9SMDpuh5VK7qeClcXngjVnBCmqIOzj7GS04dzI7FQIy0YA/4 UZACeAMEqRs+B/4ZdUf4igp/r7HaPSlegvxmN65VVuRHL84UFciNmtI1uYgHKjkyl8+vmFB851ZZG B86z+48YA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Ock-0003KC-3s; Tue, 09 Feb 2021 08:43:54 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Och-0003Is-RB for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:43:52 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198abxk008744; Tue, 9 Feb 2021 00:43:39 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=jYh34sak8NdE70w0YCEkOuO0NXDkdrGZX6/FogDmBVw=; b=QCTC8b+ZvuQ06g46ReKnTstzkF9xr++jIcCpbBw5hRao20DlYIFvpq1mRUQeEV42D3ER 9LxVHFtN3EGZdoRtPi6z5GtU0IkDP9N5bwhsoxP8+n5iq0UYEfPaXCWS61rrqSGGj8Zg fwGKkulWbS00+90ug9P2GvSsgvpDW4NBPC1u4JvyFnRX0WJ6p0eqxt3IBLh18XJXjVA1 UJGSHk//lmMqzsUdRhLm3J2Pw/4DrX1hgScqNx5Kr1yQ279qFdycuSrnK1h6YjO5VCdT TdlcTzUd0jjCLd7vdtaLGgT2Gyn2yQNh3HKyUEiYwdr3aX8KMxmosszqsxa0xgONiBV0 AA== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7ky5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:43:39 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:43:37 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:43:37 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 651453F703F; Tue, 9 Feb 2021 00:43:33 -0800 (PST) From: To: Subject: [PATCH v11 net-next 03/15] net: mvpp2: add CM3 SRAM memory map Date: Tue, 9 Feb 2021 10:42:19 +0200 Message-ID: <1612860151-12275-4-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034352_002455_FCD519E6 X-CRM114-Status: GOOD ( 17.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch adds CM3 memory map. Signed-off-by: Stefan Chulski Reviewed-by: Andrew Lunn --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 1 + drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 26 ++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 6bd7e40..56e90ab 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -925,6 +925,7 @@ struct mvpp2 { /* Shared registers' base addresses */ void __iomem *lms_base; void __iomem *iface_base; + void __iomem *cm3_base; /* On PPv2.2, each "software thread" can access the base * register through a separate address space, each 64 KB apart diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index a07cf60..eec3796 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -6846,6 +6846,27 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) return 0; } +static int mvpp2_get_sram(struct platform_device *pdev, + struct mvpp2 *priv) +{ + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 2); + if (!res) { + if (has_acpi_companion(&pdev->dev)) + dev_warn(&pdev->dev, "ACPI is too old, Flow control not supported\n"); + else + dev_warn(&pdev->dev, "DT is too old, Flow control not supported\n"); + return 0; + } + + priv->cm3_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->cm3_base)) + return PTR_ERR(priv->cm3_base); + + return 0; +} + static int mvpp2_probe(struct platform_device *pdev) { const struct acpi_device_id *acpi_id; @@ -6902,6 +6923,11 @@ static int mvpp2_probe(struct platform_device *pdev) priv->iface_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(priv->iface_base)) return PTR_ERR(priv->iface_base); + + /* Map CM3 SRAM */ + err = mvpp2_get_sram(pdev, priv); + if (err) + dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n"); } if (priv->hw_version == MVPP22 && dev_of_node(&pdev->dev)) { From patchwork Tue Feb 9 08:42:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077441 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 478FEC433DB for ; Tue, 9 Feb 2021 08:45:30 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 F36FF64EC8 for ; Tue, 9 Feb 2021 08:45:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F36FF64EC8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vTEX1uib28LVouTNz5gG/spFN+bhYuccneZQyCnjiGs=; b=G+S5PDbyE915gLaEvkdGdII2+ //faTy5XF6DlH09y5AlSl/G13oql3K65Vn4VV8CMePMFyyCC8w9BoD/PBHv/77/6nLnOn3wwBbnef +3zd1G0fkUPDOPI5n7jDKP1i5fHiymZjTfcNQd8UEnnJ3X5w9Dsmc3m9n8b0KU7YQbQzkzH+daeba SAoDWW/bAvWkiSjMMLFBgPteBRfuhhGG5GazYw8Ljayc+2yeT9e2ZUQ4VlhtzdD7bFlaGsHLxPAHB OURsMNEzTVnVVPT3kEU9V5e5M0IaLVhSlkAhQnDLhTSa05uOqI6I/mFCnop4zBelxuPLhJx2jkQQw j5sfjBuvg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Ocy-0003QP-Jy; Tue, 09 Feb 2021 08:44:08 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Ocu-0003P0-Nc for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:44:05 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198abhG008771; Tue, 9 Feb 2021 00:43:56 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Gw6dNuItw07xyuOwmq0UgQdGqPdWgLv7yhewi6uDPGY=; b=R+LFb3Mgt1Too1TOmNGxDCMY7t0v3wYCM9Fxhfl6rsWROLDkW13PNkE3LIjHV0cMtYEe PqCggC+CV+M2aIK1OvGtHrONdCfctA4ZjxdOZ26y5vVv5lNWVVqXIgfEjMtGPJwnW+iZ CPUIRXufa852cg0ewwUxOJdEAjtFQZAs2zxitim8kh25Ihuyo9M8NRPczeLAzDQINZQH 8srtgYiwytcD2CasdCVpu9guWKJuWbPCI1rRnmr/plndsDNRu/2OMNH8E/aSDGxp955g /PfG7lB42I+2GJ5brIYoIQe4UqhX5yeL2zqRDddrTPjIfCDu+ZEEB5Gf94dlovsDfrO6 Ew== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7kyh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:43:56 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:43:54 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:43:54 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id C4C373F703F; Tue, 9 Feb 2021 00:43:50 -0800 (PST) From: To: Subject: [PATCH v11 net-next 04/15] net: mvpp2: always compare hw-version vs MVPP21 Date: Tue, 9 Feb 2021 10:42:20 +0200 Message-ID: <1612860151-12275-5-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034404_909764_27709839 X-CRM114-Status: GOOD ( 18.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski Currently we have PP2v1 and PP2v2 hw-versions, with some different handlers depending upon condition hw_version = MVPP21/MVPP22. In a future there will be also PP2v3. Let's use now the generic "if equal/notEqual MVPP21" for all cases instead of "if MVPP22". This patch does not change any functionality. It is not intended to introduce PP2v3. It just modifies MVPP21/MVPP22 check-condition bringing it to generic and unified form correct for new-code introducing and PP2v3 net-next generation. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 38 ++++++++++---------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index eec3796..17cd161 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -319,7 +319,7 @@ static int mvpp2_get_nrxqs(struct mvpp2 *priv) { unsigned int nrxqs; - if (priv->hw_version == MVPP22 && queue_mode == MVPP2_QDIST_SINGLE_MODE) + if (priv->hw_version != MVPP21 && queue_mode == MVPP2_QDIST_SINGLE_MODE) return 1; /* According to the PPv2.2 datasheet and our experiments on @@ -446,7 +446,7 @@ static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id)); *phys_addr = mvpp2_thread_read(priv, thread, MVPP2_BM_VIRT_ALLOC_REG); - if (priv->hw_version == MVPP22) { + if (priv->hw_version != MVPP21) { u32 val; u32 dma_addr_highbits, phys_addr_highbits; @@ -742,7 +742,7 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, if (test_bit(thread, &port->priv->lock_map)) spin_lock_irqsave(&port->bm_lock[thread], flags); - if (port->priv->hw_version == MVPP22) { + if (port->priv->hw_version != MVPP21) { u32 val = 0; if (sizeof(dma_addr_t) == 8) @@ -1172,7 +1172,7 @@ static void mvpp2_interrupts_unmask(void *arg) u32 val; int i; - if (port->priv->hw_version != MVPP22) + if (port->priv->hw_version == MVPP21) return; if (mask) @@ -1199,7 +1199,7 @@ static bool mvpp2_port_supports_xlg(struct mvpp2_port *port) static bool mvpp2_port_supports_rgmii(struct mvpp2_port *port) { - return !(port->priv->hw_version == MVPP22 && port->gop_id == 0); + return !(port->priv->hw_version != MVPP21 && port->gop_id == 0); } /* Port configuration routines */ @@ -1817,7 +1817,7 @@ static void mvpp2_mac_reset_assert(struct mvpp2_port *port) MVPP2_GMAC_PORT_RESET_MASK; writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); - if (port->priv->hw_version == MVPP22 && port->gop_id == 0) { + if (port->priv->hw_version != MVPP21 && port->gop_id == 0) { val = readl(port->base + MVPP22_XLG_CTRL0_REG) & ~MVPP22_XLG_CTRL0_MAC_RESET_DIS; writel(val, port->base + MVPP22_XLG_CTRL0_REG); @@ -1830,7 +1830,7 @@ static void mvpp22_pcs_reset_assert(struct mvpp2_port *port) void __iomem *mpcs, *xpcs; u32 val; - if (port->priv->hw_version != MVPP22 || port->gop_id != 0) + if (port->priv->hw_version == MVPP21 || port->gop_id != 0) return; mpcs = priv->iface_base + MVPP22_MPCS_BASE(port->gop_id); @@ -1851,7 +1851,7 @@ static void mvpp22_pcs_reset_deassert(struct mvpp2_port *port) void __iomem *mpcs, *xpcs; u32 val; - if (port->priv->hw_version != MVPP22 || port->gop_id != 0) + if (port->priv->hw_version == MVPP21 || port->gop_id != 0) return; mpcs = priv->iface_base + MVPP22_MPCS_BASE(port->gop_id); @@ -4188,7 +4188,7 @@ static void mvpp2_start_dev(struct mvpp2_port *port) /* Enable interrupts on all threads */ mvpp2_interrupts_enable(port); - if (port->priv->hw_version == MVPP22) + if (port->priv->hw_version != MVPP21) mvpp22_mode_reconfigure(port); if (port->phylink) { @@ -4404,7 +4404,7 @@ static int mvpp2_open(struct net_device *dev) valid = true; } - if (priv->hw_version == MVPP22 && port->port_irq) { + if (priv->hw_version != MVPP21 && port->port_irq) { err = request_irq(port->port_irq, mvpp2_port_isr, 0, dev->name, port); if (err) { @@ -6052,7 +6052,7 @@ static int mvpp2__mac_prepare(struct phylink_config *config, unsigned int mode, MVPP2_GMAC_PORT_RESET_MASK, MVPP2_GMAC_PORT_RESET_MASK); - if (port->priv->hw_version == MVPP22) { + if (port->priv->hw_version != MVPP21) { mvpp22_gop_mask_irq(port); phy_power_off(port->comphy); @@ -6106,7 +6106,7 @@ static int mvpp2_mac_finish(struct phylink_config *config, unsigned int mode, { struct mvpp2_port *port = mvpp2_phylink_to_port(config); - if (port->priv->hw_version == MVPP22 && + if (port->priv->hw_version != MVPP21 && port->phy_interface != interface) { port->phy_interface = interface; @@ -6786,7 +6786,7 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) if (dram_target_info) mvpp2_conf_mbus_windows(dram_target_info, priv); - if (priv->hw_version == MVPP22) + if (priv->hw_version != MVPP21) mvpp2_axi_init(priv); /* Disable HW PHY polling */ @@ -6930,7 +6930,7 @@ static int mvpp2_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n"); } - if (priv->hw_version == MVPP22 && dev_of_node(&pdev->dev)) { + if (priv->hw_version != MVPP21 && dev_of_node(&pdev->dev)) { priv->sysctrl_base = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "marvell,system-controller"); @@ -6943,7 +6943,7 @@ static int mvpp2_probe(struct platform_device *pdev) priv->sysctrl_base = NULL; } - if (priv->hw_version == MVPP22 && + if (priv->hw_version != MVPP21 && mvpp2_get_nrxqs(priv) * 2 <= MVPP2_BM_MAX_POOLS) priv->percpu_pools = 1; @@ -6988,7 +6988,7 @@ static int mvpp2_probe(struct platform_device *pdev) if (err < 0) goto err_pp_clk; - if (priv->hw_version == MVPP22) { + if (priv->hw_version != MVPP21) { priv->mg_clk = devm_clk_get(&pdev->dev, "mg_clk"); if (IS_ERR(priv->mg_clk)) { err = PTR_ERR(priv->mg_clk); @@ -7029,7 +7029,7 @@ static int mvpp2_probe(struct platform_device *pdev) return -EINVAL; } - if (priv->hw_version == MVPP22) { + if (priv->hw_version != MVPP21) { err = dma_set_mask(&pdev->dev, MVPP2_DESC_DMA_MASK); if (err) goto err_axi_clk; @@ -7104,10 +7104,10 @@ static int mvpp2_probe(struct platform_device *pdev) clk_disable_unprepare(priv->axi_clk); err_mg_core_clk: - if (priv->hw_version == MVPP22) + if (priv->hw_version != MVPP21) clk_disable_unprepare(priv->mg_core_clk); err_mg_clk: - if (priv->hw_version == MVPP22) + if (priv->hw_version != MVPP21) clk_disable_unprepare(priv->mg_clk); err_gop_clk: clk_disable_unprepare(priv->gop_clk); From patchwork Tue Feb 9 08:42:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077443 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 98448C433DB for ; Tue, 9 Feb 2021 08:45:48 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 50E8364EC9 for ; Tue, 9 Feb 2021 08:45:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 50E8364EC9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FVhUAOhh5q04s5YDka3WxAW8X0YiogoSUI2G7zrsc+I=; b=zzYIL4I2p7js0adckwPzMznc1 Vgi1+e4AeY6BF8keFAskVZvOTeHg379Rfz9ggWZT8910CIfFYK/fijTPtJ0BPgaMCJMVBzz2NyeS3 uYX90cCD4fVvMmkErrCQG2Yr/lOBYlD4YZv2HWSgFMB2qpSvFcjymVhQ5rlhBXV4WmdBLyqfStiL4 bh6rF24ygq97GX6v27fUoek8+jO59o/klwT0+ZzWUlbLt3RX7adcDzKTrNM80m19rlWu5B8us14Hb zMlXH9lvxFMUbON5ngsFC0L+06m+qUMV5pzvlPYIv0wWa99df/edrrckEejf7vnM/feNmf2LBfOTm 0YCLz1pUw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OdD-0003Vk-O0; Tue, 09 Feb 2021 08:44:23 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Od3-0003TE-SJ for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:44:15 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198aJk1003909; Tue, 9 Feb 2021 00:44:06 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=/rhV6nvGn4bSSWniyBWN/LlsgGfFk4wUfhAH6oaOnqc=; b=P7Fcqqa5orQil01YVJfWKA+9Q+zKCab6CYn6GmMQxeiqZrqblpQpM8PTwTEGsEI9f8Ab FcbeONgQCV21IGhAQ3HsMynYMLW8Nx0lHQOzcFgYjnnPKM44fuNaw7yg32K+RYsCWGwe +EzVzoo1wlRn9xF5666b7yfSNk+xkd5CWqfXWg2k7Cjerk8VknK85CQh6/82L6qdUIwC UjBk8MNcYVXW26+AaRY9e39sxQ64m+M58AgFgnv8bTlWAIYEmBkl1kzfTjeIfZowzccI KpkVRiGnm1RWKUAjpIJYgmnEb4gSYKE6xBXQQRGuPwXaT7rGGLD5Tn6+Fqlr5ocutcGM Dw== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 36hsbrfss5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:44:06 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:44:05 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:44:04 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 072103F7041; Tue, 9 Feb 2021 00:44:00 -0800 (PST) From: To: Subject: [PATCH v11 net-next 05/15] net: mvpp2: add PPv23 version definition Date: Tue, 9 Feb 2021 10:42:21 +0200 Message-ID: <1612860151-12275-6-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034414_101159_795956B5 X-CRM114-Status: GOOD ( 20.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch add PPv23 version definition. PPv23 is new packet processor in CP115. Everything that supported by PPv22, also supported by PPv23. No functional changes in this stage. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 24 ++++++++++++-------- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 15 ++++++++---- 2 files changed, 24 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 56e90ab..ce08086 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -60,6 +60,9 @@ /* Top Registers */ #define MVPP2_MH_REG(port) (0x5040 + 4 * (port)) #define MVPP2_DSA_EXTENDED BIT(5) +#define MVPP2_VER_ID_REG 0x50b0 +#define MVPP2_VER_PP22 0x10 +#define MVPP2_VER_PP23 0x11 /* Parser Registers */ #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000 @@ -469,7 +472,7 @@ #define MVPP22_GMAC_INT_SUM_MASK_LINK_STAT BIT(1) #define MVPP22_GMAC_INT_SUM_MASK_PTP BIT(2) -/* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0, +/* Per-port XGMAC registers. PPv2.2 and PPv2.3, only for GOP port 0, * relative to port->base. */ #define MVPP22_XLG_CTRL0_REG 0x100 @@ -506,7 +509,7 @@ #define MVPP22_XLG_CTRL4_MACMODSELECT_GMAC BIT(12) #define MVPP22_XLG_CTRL4_EN_IDLE_CHECK BIT(14) -/* SMI registers. PPv2.2 only, relative to priv->iface_base. */ +/* SMI registers. PPv2.2 and PPv2.3, relative to priv->iface_base. */ #define MVPP22_SMI_MISC_CFG_REG 0x1204 #define MVPP22_SMI_POLLING_EN BIT(10) @@ -582,7 +585,7 @@ #define MVPP2_QUEUE_NEXT_DESC(q, index) \ (((index) < (q)->last_desc) ? ((index) + 1) : 0) -/* XPCS registers. PPv2.2 only */ +/* XPCS registers.PPv2.2 and PPv2.3 */ #define MVPP22_MPCS_BASE(port) (0x7000 + (port) * 0x1000) #define MVPP22_MPCS_CTRL 0x14 #define MVPP22_MPCS_CTRL_FWD_ERR_CONN BIT(10) @@ -593,7 +596,7 @@ #define MVPP22_MPCS_CLK_RESET_DIV_RATIO(n) ((n) << 4) #define MVPP22_MPCS_CLK_RESET_DIV_SET BIT(11) -/* XPCS registers. PPv2.2 only */ +/* XPCS registers. PPv2.2 and PPv2.3 */ #define MVPP22_XPCS_BASE(port) (0x7400 + (port) * 0x1000) #define MVPP22_XPCS_CFG0 0x0 #define MVPP22_XPCS_CFG0_RESET_DIS BIT(0) @@ -927,15 +930,16 @@ struct mvpp2 { void __iomem *iface_base; void __iomem *cm3_base; - /* On PPv2.2, each "software thread" can access the base + /* On PPv2.2 and PPv2.3, each "software thread" can access the base * register through a separate address space, each 64 KB apart * from each other. Typically, such address spaces will be * used per CPU. */ void __iomem *swth_base[MVPP2_MAX_THREADS]; - /* On PPv2.2, some port control registers are located into the system - * controller space. These registers are accessible through a regmap. + /* On PPv2.2 and PPv2.3, some port control registers are located into + * the system controller space. These registers are accessible + * through a regmap. */ struct regmap *sysctrl_base; @@ -977,7 +981,7 @@ struct mvpp2 { u32 tclk; /* HW version */ - enum { MVPP21, MVPP22 } hw_version; + enum { MVPP21, MVPP22, MVPP23 } hw_version; /* Maximum number of RXQs per port */ unsigned int max_port_rxqs; @@ -1221,7 +1225,7 @@ struct mvpp21_rx_desc { __le32 reserved8; }; -/* HW TX descriptor for PPv2.2 */ +/* HW TX descriptor for PPv2.2 and PPv2.3 */ struct mvpp22_tx_desc { __le32 command; u8 packet_offset; @@ -1233,7 +1237,7 @@ struct mvpp22_tx_desc { __le64 buf_cookie_misc; }; -/* HW RX descriptor for PPv2.2 */ +/* HW RX descriptor for PPv2.2 and PPv2.3 */ struct mvpp22_rx_desc { __le32 status; __le16 reserved1; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 17cd161..5730900 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -384,7 +384,7 @@ static int mvpp2_bm_pool_create(struct device *dev, struct mvpp2 *priv, if (!IS_ALIGNED(size, 16)) return -EINVAL; - /* PPv2.1 needs 8 bytes per buffer pointer, PPv2.2 needs 16 + /* PPv2.1 needs 8 bytes per buffer pointer, PPv2.2 and PPv2.3 needs 16 * bytes per buffer pointer */ if (priv->hw_version == MVPP21) @@ -5456,7 +5456,7 @@ static void mvpp2_rx_irqs_setup(struct mvpp2_port *port) return; } - /* Handle the more complicated PPv2.2 case */ + /* Handle the more complicated PPv2.2 and PPv2.3 case */ for (i = 0; i < port->nqvecs; i++) { struct mvpp2_queue_vector *qv = port->qvecs + i; @@ -5633,7 +5633,7 @@ static bool mvpp22_port_has_legacy_tx_irqs(struct device_node *port_node, /* Checks if the port dt description has the required Tx interrupts: * - PPv2.1: there are no such interrupts. - * - PPv2.2: + * - PPv2.2 and PPv2.3: * - The old DTs have: "rx-shared", "tx-cpuX" with X in [0...3] * - The new ones have: "hifX" with X in [0..8] * @@ -6621,7 +6621,7 @@ static void mvpp22_rx_fifo_set_hw(struct mvpp2 *priv, int port, int data_size) mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port), attr_size); } -/* Initialize TX FIFO's: the total FIFO size is 48kB on PPv2.2. +/* Initialize TX FIFO's: the total FIFO size is 48kB on PPv2.2 and PPv2.3. * 4kB fixed space must be assigned for the loopback port. * Redistribute remaining avialable 44kB space among all active ports. * Guarantee minimum 32kB for 10G port and 8kB for port 1, capable of 2.5G @@ -6678,7 +6678,7 @@ static void mvpp22_tx_fifo_set_hw(struct mvpp2 *priv, int port, int size) mvpp2_write(priv, MVPP22_TX_FIFO_THRESH_REG(port), threshold); } -/* Initialize TX FIFO's: the total FIFO size is 19kB on PPv2.2. +/* Initialize TX FIFO's: the total FIFO size is 19kB on PPv2.2 and PPv2.3. * 3kB fixed space must be assigned for the loopback port. * Redistribute remaining avialable 16kB space among all active ports. * The 10G interface should use 10kB (which is maximum possible size @@ -7049,6 +7049,11 @@ static int mvpp2_probe(struct platform_device *pdev) priv->port_map |= BIT(i); } + if (priv->hw_version != MVPP21) { + if (mvpp2_read(priv, MVPP2_VER_ID_REG) == MVPP2_VER_PP23) + priv->hw_version = MVPP23; + } + /* Initialize network controller */ err = mvpp2_init(pdev, priv); if (err < 0) { From patchwork Tue Feb 9 08:42:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077445 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 107C2C433E6 for ; Tue, 9 Feb 2021 08:45:49 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 B029864EC7 for ; Tue, 9 Feb 2021 08:45:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B029864EC7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ztfxRVRkymZNpOzmWFlqLSSd5dXX48izbArxeqJiyD4=; b=E45QIqHUoFwSPaG6l9HnJrec4 4idqNWbGpFipBrRixOZXC77J2UrbD7xyqOtkbA9GeDvEkXucBv1TJxYtFE75qcJIQF8yTpX2umWep XuF/nXxMje3WcArVdRhPrH8kW/6cwMtVgCm19xMfPccJTNf+xHs3E4dvotc4HcbAckVWvBrP42sfC NXyaPlDJIL3YaHl4ydfljVOacbl+cx38s4/bT4H1ruuCrJNCX7eAPZiBWzSMEprNc9Ol+KQGXbjQw XeUzgk15gQtWnIUnS1TxI7IQ6s0lalS2R1V+09UDe8KS1fvln7PE9FviN9KqpQuFYYqhUeZKf6hlq Fzq8Jez6g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OdS-0003es-IG; Tue, 09 Feb 2021 08:44:38 +0000 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174] helo=mx0b-0016f401.pphosted.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OdL-0003bq-9t for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:44:33 +0000 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198a96a003809; Tue, 9 Feb 2021 00:44:23 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Z+f0d37uesmDP0+y3HpvCSl9s9Y4PX1qxt3JxKGneCM=; b=KAUGzxEf/iyCrZBoIIW+DlOmyrJB/9dwPVbJsgGaBC2PGMuXp2yixsDnQufx5K82fYmH GWQhepFFjx6H1RiV7jAJD6fzdnUsmDTWhsV/SQ3QYVta4wXVQFT2hvMIyWCk9TmZjPPv SvZUxAEWBwlgqOTwajy8vi7noH552WhZUNmBh5uKEzlCxCNjzDa6F8Qw8myi9PtXWWsI TzEm6kwqB8UIwRAAF2fR4uyt1yGU7Yx6xDLKdijvv7Ptqqn5zLBLj7JE+E6rtfz5zSMh U9G2ii5mJ7zud67Zt3J7uYk5gq0gaTVqe3UGp/XtGh6KPdHa45DNVXhJfzr98sN4F9+p 4w== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com with ESMTP id 36hsbrfstt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:44:23 -0800 Received: from SC-EXCH03.marvell.com (10.93.176.83) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:44:22 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:44:21 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:44:22 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 0D1913F703F; Tue, 9 Feb 2021 00:44:17 -0800 (PST) From: To: Subject: [PATCH v11 net-next 06/15] net: mvpp2: increase BM pool and RXQ size Date: Tue, 9 Feb 2021 10:42:22 +0200 Message-ID: <1612860151-12275-7-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034432_758835_ED0DC791 X-CRM114-Status: GOOD ( 12.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski BM pool and RXQ size increased to support Firmware Flow Control. Minimum depletion thresholds to support FC are 1024 buffers. BM pool size increased to 2048 to have some 1024 buffers space between depletion thresholds and BM pool size. Jumbo frames require a 9888B buffer, so memory requirements for data buffers increased from 7MB to 24MB. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index ce08086..e7bbf0a 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -715,8 +715,8 @@ #define MVPP2_PORT_MAX_RXQ 32 /* Max number of Rx descriptors */ -#define MVPP2_MAX_RXD_MAX 1024 -#define MVPP2_MAX_RXD_DFLT 128 +#define MVPP2_MAX_RXD_MAX 2048 +#define MVPP2_MAX_RXD_DFLT 1024 /* Max number of Tx descriptors */ #define MVPP2_MAX_TXD_MAX 2048 @@ -848,8 +848,8 @@ enum mvpp22_ptp_packet_format { #define MVPP22_PTP_TIMESTAMPQUEUESELECT BIT(18) /* BM constants */ -#define MVPP2_BM_JUMBO_BUF_NUM 512 -#define MVPP2_BM_LONG_BUF_NUM 1024 +#define MVPP2_BM_JUMBO_BUF_NUM 2048 +#define MVPP2_BM_LONG_BUF_NUM 2048 #define MVPP2_BM_SHORT_BUF_NUM 2048 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4) #define MVPP2_BM_POOL_PTR_ALIGN 128 From patchwork Tue Feb 9 08:42:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077447 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 A1577C433DB for ; Tue, 9 Feb 2021 08:46:18 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 4BF5064E54 for ; Tue, 9 Feb 2021 08:46:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BF5064E54 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=u6uXebwR4ocRdrYlKGcciEVfzzz+PIl2y+p8a6GLm7E=; b=yRDtMBt/ZtAn3YCN74+FmhZIW AcK6Mo09XOC+Wo6Famp8iKYB8bjD7Z/8Nbu4bROy+Gw/NhHmgdiSAE+Q9mbqH77i4C2VORGEjAmaP hjESOTp9VSScjrjkBPEpniQ6ooJYrN3o7Bmtf7fHEY8YaXZcs+h03/9TrXWILwxUA+KLev6VBM1tt 9jacKCnnAQiPXT8m9cgrjmwCG+4F7+vz6uTPNK6c2pNCyqycEWMJRLZG13K6SbXDt+UdCK52bKATW kbGbMBp8A41DUeLcqRpECmftcD+b3Hch7L8EO6ES5DrLH0bxYmq7qWMXCIpEu9Trtq364W1VjxuJV 0gAi5rDoA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Odg-0003n9-Ns; Tue, 09 Feb 2021 08:44:52 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Odc-0003kv-QO for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:44:49 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198b8nw009807; Tue, 9 Feb 2021 00:44:40 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Te/P93E6xYEL0XCHhhJJsDjnhAHpLCRMF2jCq3hbBE0=; b=imKh+BRoh0WLc/FHc3M+uTQLA0cNbCd38grP2Nbh0G6JDVHwACMG0UjZDQfzqEdVsJUm sOao1VI7+pAhgpufga7XVzLKQI5q6NGazSC4UEBEWC9pTGmY/scX3E8bBNWwvxaQIIO4 52gl/rzhIEF8EJXTdg5igOHq3OKbJpxNgv2Z2IiCnLaSefgl8Z79qIrawAmpP04cCIce vR2ZQm7rzOxD3jBf0g7ibbsSAawqzdNtt1U0vnis1DsxrA68ibv31k8EeGY1sKk7bofC D2z0MpzSDcXHMKUF85OVUwz1ch3sUQw2+kSKC3KL7k/vzoB9h8lQNgVXIuYaRrjsDd6H 5Q== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m2g-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:44:40 -0800 Received: from SC-EXCH04.marvell.com (10.93.176.84) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:44:38 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:44:37 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:44:37 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 97AF93F703F; Tue, 9 Feb 2021 00:44:33 -0800 (PST) From: To: Subject: [PATCH v11 net-next 07/15] net: mvpp2: add FCA periodic timer configurations Date: Tue, 9 Feb 2021 10:42:23 +0200 Message-ID: <1612860151-12275-8-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034448_961096_223B4745 X-CRM114-Status: GOOD ( 15.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski Flow Control periodic timer would be used if port in XOFF to transmit periodic XOFF frames. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 13 ++++++ drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 45 ++++++++++++++++++++ 2 files changed, 58 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index e7bbf0a..9239d80 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -596,6 +596,15 @@ #define MVPP22_MPCS_CLK_RESET_DIV_RATIO(n) ((n) << 4) #define MVPP22_MPCS_CLK_RESET_DIV_SET BIT(11) +/* FCA registers. PPv2.2 and PPv2.3 */ +#define MVPP22_FCA_BASE(port) (0x7600 + (port) * 0x1000) +#define MVPP22_FCA_REG_SIZE 16 +#define MVPP22_FCA_REG_MASK 0xFFFF +#define MVPP22_FCA_CONTROL_REG 0x0 +#define MVPP22_FCA_ENABLE_PERIODIC BIT(11) +#define MVPP22_PERIODIC_COUNTER_LSB_REG (0x110) +#define MVPP22_PERIODIC_COUNTER_MSB_REG (0x114) + /* XPCS registers. PPv2.2 and PPv2.3 */ #define MVPP22_XPCS_BASE(port) (0x7400 + (port) * 0x1000) #define MVPP22_XPCS_CFG0 0x0 @@ -751,6 +760,10 @@ #define MVPP2_TX_FIFO_THRESHOLD(kb) \ ((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN) +/* MSS Flow control */ +#define FC_QUANTA 0xFFFF +#define FC_CLK_DIVIDER 100 + /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 5730900..761f745 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1280,6 +1280,49 @@ static void mvpp22_gop_init_10gkr(struct mvpp2_port *port) writel(val, mpcs + MVPP22_MPCS_CLK_RESET); } +static void mvpp22_gop_fca_enable_periodic(struct mvpp2_port *port, bool en) +{ + struct mvpp2 *priv = port->priv; + void __iomem *fca = priv->iface_base + MVPP22_FCA_BASE(port->gop_id); + u32 val; + + val = readl(fca + MVPP22_FCA_CONTROL_REG); + val &= ~MVPP22_FCA_ENABLE_PERIODIC; + if (en) + val |= MVPP22_FCA_ENABLE_PERIODIC; + writel(val, fca + MVPP22_FCA_CONTROL_REG); +} + +static void mvpp22_gop_fca_set_timer(struct mvpp2_port *port, u32 timer) +{ + struct mvpp2 *priv = port->priv; + void __iomem *fca = priv->iface_base + MVPP22_FCA_BASE(port->gop_id); + u32 lsb, msb; + + lsb = timer & MVPP22_FCA_REG_MASK; + msb = timer >> MVPP22_FCA_REG_SIZE; + + writel(lsb, fca + MVPP22_PERIODIC_COUNTER_LSB_REG); + writel(msb, fca + MVPP22_PERIODIC_COUNTER_MSB_REG); +} + +/* Set Flow Control timer x100 faster than pause quanta to ensure that link + * partner won't send traffic if port is in XOFF mode. + */ +static void mvpp22_gop_fca_set_periodic_timer(struct mvpp2_port *port) +{ + u32 timer; + + timer = (port->priv->tclk / (USEC_PER_SEC * FC_CLK_DIVIDER)) + * FC_QUANTA; + + mvpp22_gop_fca_enable_periodic(port, false); + + mvpp22_gop_fca_set_timer(port, timer); + + mvpp22_gop_fca_enable_periodic(port, true); +} + static int mvpp22_gop_init(struct mvpp2_port *port) { struct mvpp2 *priv = port->priv; @@ -1324,6 +1367,8 @@ static int mvpp22_gop_init(struct mvpp2_port *port) val |= GENCONF_SOFT_RESET1_GOP; regmap_write(priv->sysctrl_base, GENCONF_SOFT_RESET1, val); + mvpp22_gop_fca_set_periodic_timer(port); + unsupported_conf: return 0; From patchwork Tue Feb 9 08:42:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077449 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 86823C433E0 for ; Tue, 9 Feb 2021 08:46:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 2B54964E54 for ; Tue, 9 Feb 2021 08:46:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B54964E54 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/ewB/ftuE58LMKS1znqG5ofl1Wl68e9yk6PyDwA/T/4=; b=kiIwehuSQQsrmyQdVmdpTUGcL hhi+j0/f8EKidqx9dUgUBZds5q2mSPTeo6qEEbxLv1CGdbdPf3lW9MZUTTMRQjN1xShp0KieAbM0z fGDEcT6sWxNckn8GrnW7JPLrg9xIVb/kcSL3l9oP28FuwqV/N5XLVyYMe16wEOWWm55eeSNPXtdEL WOph5lDFaEtGlCtb8xpBb0MjkQPu4mbP1JkjgnfUzcxBZSQID5Atqa9QRDtX5WWZ+lU4eJLY0hntq j2pgnTKVW2/bY4WnLyx2QnDceu8k+VOAFd/T1h9QhszWlGv1DL2w8SQuqy7ZXcRwhpQwooE0ADAiS 3hjul7OsQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OeB-00043Y-J0; Tue, 09 Feb 2021 08:45:23 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oe8-000422-0s for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:45:21 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198abhP008771; Tue, 9 Feb 2021 00:45:11 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Eanp+qVEZea1PzK1OZ8paYmWbRfLFUfDokgWTnwWj7U=; b=Ci5GES7aXmH/RjSRb3MaiqokvE4jhENS92ibW0P/T5B1k7fTbGZNfgqjrcabUiBphqXi 2KgvLMriBxtwcbUOH80zLQJubCydSbdb39sL1WzYtUuVzS0Z4zCeN8sMFj+Oo5leW4IF YKgiHz7xjuMExFtdEhdrLBnVf+SbASIp7Zh/eO2Wro8UVFmi3ywI919FACmdSfKUsRkD PnsSPoTYzvf4rvr69LME1RfJ6i1HMeJ6dciT5E2yzh/KdSw8TlwyppYKYTXG90D8XrQU wnZOKNsaPATdMI9YPIW0+Skt9BM5A4HJovkO/8DhKeAmgbndKLEyWULfkeC3l7RNhZKi YA== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m46-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:45:11 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:45:09 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:45:09 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 842D13F703F; Tue, 9 Feb 2021 00:45:05 -0800 (PST) From: To: Subject: [PATCH v11 net-next 08/15] net: mvpp2: add FCA RXQ non occupied descriptor threshold Date: Tue, 9 Feb 2021 10:42:24 +0200 Message-ID: <1612860151-12275-9-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034520_243665_0B52542B X-CRM114-Status: GOOD ( 17.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski The firmware needs to monitor the RX Non-occupied descriptor bits for flow control to move to XOFF mode. These bits need to be unmasked to be functional, but they will not raise interrupts as we leave the RX exception summary bit in MVPP2_ISR_RX_TX_MASK_REG clear. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 3 ++ drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 44 ++++++++++++++++---- 2 files changed, 40 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 9239d80..d2cc513c 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -295,6 +295,8 @@ #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31) #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0 +#define MVPP2_ISR_RX_ERR_CAUSE_REG(port) (0x5520 + 4 * (port)) +#define MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK 0x00ff /* Buffer Manager registers */ #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4)) @@ -763,6 +765,7 @@ /* MSS Flow control */ #define FC_QUANTA 0xFFFF #define FC_CLK_DIVIDER 100 +#define MSS_THRESHOLD_STOP 768 /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 761f745..8b4073c 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1133,14 +1133,19 @@ static inline void mvpp2_qvec_interrupt_disable(struct mvpp2_queue_vector *qvec) static void mvpp2_interrupts_mask(void *arg) { struct mvpp2_port *port = arg; + int cpu = smp_processor_id(); + u32 thread; /* If the thread isn't used, don't do anything */ - if (smp_processor_id() > port->priv->nthreads) + if (cpu > port->priv->nthreads) return; - mvpp2_thread_write(port->priv, - mvpp2_cpu_to_thread(port->priv, smp_processor_id()), + thread = mvpp2_cpu_to_thread(port->priv, cpu); + + mvpp2_thread_write(port->priv, thread, MVPP2_ISR_RX_TX_MASK_REG(port->id), 0); + mvpp2_thread_write(port->priv, thread, + MVPP2_ISR_RX_ERR_CAUSE_REG(port->id), 0); } /* Unmask the current thread's Rx/Tx interrupts. @@ -1150,20 +1155,25 @@ static void mvpp2_interrupts_mask(void *arg) static void mvpp2_interrupts_unmask(void *arg) { struct mvpp2_port *port = arg; - u32 val; + int cpu = smp_processor_id(); + u32 val, thread; /* If the thread isn't used, don't do anything */ - if (smp_processor_id() > port->priv->nthreads) + if (cpu > port->priv->nthreads) return; + thread = mvpp2_cpu_to_thread(port->priv, cpu); + val = MVPP2_CAUSE_MISC_SUM_MASK | MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(port->priv->hw_version); if (port->has_tx_irqs) val |= MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK; - mvpp2_thread_write(port->priv, - mvpp2_cpu_to_thread(port->priv, smp_processor_id()), + mvpp2_thread_write(port->priv, thread, MVPP2_ISR_RX_TX_MASK_REG(port->id), val); + mvpp2_thread_write(port->priv, thread, + MVPP2_ISR_RX_ERR_CAUSE_REG(port->id), + MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK); } static void @@ -1188,6 +1198,9 @@ static void mvpp2_interrupts_unmask(void *arg) mvpp2_thread_write(port->priv, v->sw_thread_id, MVPP2_ISR_RX_TX_MASK_REG(port->id), val); + mvpp2_thread_write(port->priv, v->sw_thread_id, + MVPP2_ISR_RX_ERR_CAUSE_REG(port->id), + MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK); } } @@ -2393,6 +2406,20 @@ static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port) } } +/* Set the number of non-occupied descriptors threshold */ +static void mvpp2_set_rxq_free_tresh(struct mvpp2_port *port, + struct mvpp2_rx_queue *rxq) +{ + u32 val; + + mvpp2_write(port->priv, MVPP2_RXQ_NUM_REG, rxq->id); + + val = mvpp2_read(port->priv, MVPP2_RXQ_THRESH_REG); + val &= ~MVPP2_RXQ_NON_OCCUPIED_MASK; + val |= MSS_THRESHOLD_STOP << MVPP2_RXQ_NON_OCCUPIED_OFFSET; + mvpp2_write(port->priv, MVPP2_RXQ_THRESH_REG, val); +} + /* Set the number of packets that will be received before Rx interrupt * will be generated by HW. */ @@ -2648,6 +2675,9 @@ static int mvpp2_rxq_init(struct mvpp2_port *port, mvpp2_rx_pkts_coal_set(port, rxq); mvpp2_rx_time_coal_set(port, rxq); + /* Set the number of non occupied descriptors threshold */ + mvpp2_set_rxq_free_tresh(port, rxq); + /* Add number of descriptors ready for receiving packets */ mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size); From patchwork Tue Feb 9 08:42:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077479 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 A68CBC433E0 for ; Tue, 9 Feb 2021 08:47:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 49CFC64EC7 for ; Tue, 9 Feb 2021 08:47:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49CFC64EC7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2twCtF8/EF2L/eZNIZgxGTzJ6Tzf5NrplXD9s/DV2Hc=; b=nzGTend8nhgIIAptX1/3DIXQm Xau6SPyGygqF2mwiquWmlRkSpvO2xleP33yoYTbpnwaMRoEU6XLEY8N1+NuUTIOqrqUZIB83orRgW 7wnenV1/saMQqlClOf1wxLy5ZHpaqsS7zIu36E2g1xEgkTYDNjYd0aBO2aZTcsR+mcTPXY57WrbN/ 1gwGRRAMYWzZ3l+ASgCI8J/uaFmBTbAlW4nXRHSiuTwhq9gNyEYDPkfewLR4uEOM1kgA77GyYHoY0 qhTz+xZDTZg4kk2MUWk2DW/9r6blF2NVZkZ6XyrNHQbp8iA1G+dLns5H0NY8gz4NMyUn0OVmnvats +TELUqkRg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oef-0004Hv-I6; Tue, 09 Feb 2021 08:45:53 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oeb-0004G5-6X for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:45:50 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jbPg027034; Tue, 9 Feb 2021 00:45:41 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=UrL4S17emqCRulz9TWUJtPhwJxRUYZLo7+JL/qJJ06c=; b=YFRXdaHV5UX0s5RbI/cdC9ueoHlEKkhaK+gefT3/ifo/u/nSGfr4m5dzeMm0wJfEkyL8 SnS9+m8nm+vGTfIFfw2dl3AXLu2f1A8BzJHlhda2oZOCwVrChYYOFjE6QHqMPDINROOc V/ENS6X3R866T/cdkn7zhAf/J8NG1MmACIPpiUmIVlf+iKRyxY1HlI0cRbNaPukvgWcT q+BgvqSJzNTnDHTx7LIrLbhwNsPkvRxr1DBbH6wyulLf13XiNT5ypssggRUBSbZ+HqEx 3KTKr8GDYARSH//R2k8DQACzMkQ0NO9pDVknLovMJ4OgoZTWi7D6roF0D8ug+cEsTByB Gg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m4k-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:45:41 -0800 Received: from SC-EXCH04.marvell.com (10.93.176.84) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:45:31 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:45:31 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:45:31 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 39F373F703F; Tue, 9 Feb 2021 00:45:27 -0800 (PST) From: To: Subject: [PATCH v11 net-next 09/15] net: mvpp2: enable global flow control Date: Tue, 9 Feb 2021 10:42:25 +0200 Message-ID: <1612860151-12275-10-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034549_386748_991A0FE2 X-CRM114-Status: GOOD ( 18.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch enables global flow control in FW and in the phylink validate mask. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 11 +++++-- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 30 +++++++++++++++++++- 2 files changed, 37 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index d2cc513c..8945fb9 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -763,9 +763,11 @@ ((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN) /* MSS Flow control */ -#define FC_QUANTA 0xFFFF -#define FC_CLK_DIVIDER 100 -#define MSS_THRESHOLD_STOP 768 +#define MSS_FC_COM_REG 0 +#define FLOW_CONTROL_ENABLE_BIT BIT(0) +#define FC_QUANTA 0xFFFF +#define FC_CLK_DIVIDER 100 +#define MSS_THRESHOLD_STOP 768 /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ @@ -1017,6 +1019,9 @@ struct mvpp2 { /* page_pool allocator */ struct page_pool *page_pool[MVPP2_PORT_MAX_RXQ]; + + /* Global TX Flow Control config */ + bool global_tx_fc; }; struct mvpp2_pcpu_stats { diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 8b4073c..027101b 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -91,6 +91,16 @@ static inline u32 mvpp2_cpu_to_thread(struct mvpp2 *priv, int cpu) return cpu % priv->nthreads; } +static void mvpp2_cm3_write(struct mvpp2 *priv, u32 offset, u32 data) +{ + writel(data, priv->cm3_base + offset); +} + +static u32 mvpp2_cm3_read(struct mvpp2 *priv, u32 offset) +{ + return readl(priv->cm3_base + offset); +} + static struct page_pool * mvpp2_create_page_pool(struct device *dev, int num, int len, enum dma_data_direction dma_dir) @@ -5950,6 +5960,11 @@ static void mvpp2_phylink_validate(struct phylink_config *config, phylink_set(mask, Autoneg); phylink_set_port_modes(mask); + if (port->priv->global_tx_fc) { + phylink_set(mask, Pause); + phylink_set(mask, Asym_Pause); + } + switch (state->interface) { case PHY_INTERFACE_MODE_10GBASER: case PHY_INTERFACE_MODE_XAUI: @@ -6951,7 +6966,7 @@ static int mvpp2_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; int i, shared; - int err; + int err, val; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -7003,6 +7018,10 @@ static int mvpp2_probe(struct platform_device *pdev) err = mvpp2_get_sram(pdev, priv); if (err) dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n"); + + /* Enable global Flow Control only if handler to SRAM not NULL */ + if (priv->cm3_base) + priv->global_tx_fc = true; } if (priv->hw_version != MVPP21 && dev_of_node(&pdev->dev)) { @@ -7168,6 +7187,15 @@ static int mvpp2_probe(struct platform_device *pdev) goto err_port_probe; } + /* Enable global flow control. In this stage global + * flow control enabled, but still disabled per port. + */ + if (priv->global_tx_fc && priv->hw_version != MVPP21) { + val = mvpp2_cm3_read(priv, MSS_FC_COM_REG); + val |= FLOW_CONTROL_ENABLE_BIT; + mvpp2_cm3_write(priv, MSS_FC_COM_REG, val); + } + mvpp2_dbgfs_init(priv, pdev->name); platform_set_drvdata(pdev, priv); From patchwork Tue Feb 9 08:42:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077481 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 6E839C433DB for ; Tue, 9 Feb 2021 08:48:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 D38C564EC9 for ; Tue, 9 Feb 2021 08:48:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D38C564EC9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SLBT8cZnbXTR3mzlMbAidBZ+/mXmheTDdMlCwN+BaMA=; b=KZW0IyOORatgL1eub0g8oTxdT Wb2VxRXFh4aIZ7/EZDiruJNIR4kABCnfc6fWcBItUp7YzawZVEhzyscsj9sCyc22f2U8HncVkPFlK tAt8Vt3HK7i143SzDq3NYEIDogP31XnMTXt8/GOpa5yrhfk2wytNNYtGz0HTJa+9U6bnkkgrg9+aT Q3OzcDq9msbFzjScStkKW/4GVexTAbnUZtEDel8dnFNLftWHsr6uPmtf5tnUp3gEtHBLOQf5h+o+g HLlPvKhavGeNW5KG2ehjvUD/3nq5hnQHpCdkhk9JnJB+spnEBpTtmrqePpT868A666SJLJ14zsWyK 0FQkbOXAA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oet-0004Mz-Ny; Tue, 09 Feb 2021 08:46:07 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Oel-0004Kd-5p for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:46:00 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jcr1027043; Tue, 9 Feb 2021 00:45:50 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Cojoeuf2b9vfWMK7CMzPZqP8cKGgOCyQ21nycrTQs24=; b=BwlsysuUvs/UPg3zuaTQozFZ1wJqhY6Gwvhr/2Q5SdXUfW1C1rgnOSKGx4uycqJfH/rC FY1HfqSb1UMsI34uWrjbtiIhnFvi+6Q/U8Yp9kEiEKc1ytAljRqThZylWKtlk77mwG8S zEq/zo5oPQS+N5s40PWeZjg0ZyrOUI5WHm4ziv/Lf8+0CBlWhCXBs4Wm+8lgvL4gZ1t/ mBUg30HmAGTqEMtXqpjfrtFrhhNzPuZ4kGVVcydROxdYY4ZDk4q40zS+EfmH3pTJeVrL XbbsiFrPPBZaWKhhK0MVztmx0Ps0aLilDPfbXSmEQepP9kOzpX57QLSIAMtIe8ywACnm Ew== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m50-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:45:50 -0800 Received: from SC-EXCH04.marvell.com (10.93.176.84) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:45:48 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:45:48 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:45:48 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 284AC3F703F; Tue, 9 Feb 2021 00:45:43 -0800 (PST) From: To: Subject: [PATCH v11 net-next 10/15] net: mvpp2: add RXQ flow control configurations Date: Tue, 9 Feb 2021 10:42:26 +0200 Message-ID: <1612860151-12275-11-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034559_336061_4E03A5E4 X-CRM114-Status: GOOD ( 22.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch adds RXQ flow control configurations. Flow control disabled by default. Minimum ring size limited to 1024 descriptors. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 35 +++++- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 116 ++++++++++++++++++++ 2 files changed, 150 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 8945fb9..0010a3e9 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -765,9 +765,36 @@ /* MSS Flow control */ #define MSS_FC_COM_REG 0 #define FLOW_CONTROL_ENABLE_BIT BIT(0) +#define FLOW_CONTROL_UPDATE_COMMAND_BIT BIT(31) #define FC_QUANTA 0xFFFF #define FC_CLK_DIVIDER 100 -#define MSS_THRESHOLD_STOP 768 + +#define MSS_RXQ_TRESH_BASE 0x200 +#define MSS_RXQ_TRESH_OFFS 4 +#define MSS_RXQ_TRESH_REG(q, fq) (MSS_RXQ_TRESH_BASE + (((q) + (fq)) \ + * MSS_RXQ_TRESH_OFFS)) + +#define MSS_RXQ_TRESH_START_MASK 0xFFFF +#define MSS_RXQ_TRESH_STOP_MASK (0xFFFF << MSS_RXQ_TRESH_STOP_OFFS) +#define MSS_RXQ_TRESH_STOP_OFFS 16 + +#define MSS_RXQ_ASS_BASE 0x80 +#define MSS_RXQ_ASS_OFFS 4 +#define MSS_RXQ_ASS_PER_REG 4 +#define MSS_RXQ_ASS_PER_OFFS 8 +#define MSS_RXQ_ASS_PORTID_OFFS 0 +#define MSS_RXQ_ASS_PORTID_MASK 0x3 +#define MSS_RXQ_ASS_HOSTID_OFFS 2 +#define MSS_RXQ_ASS_HOSTID_MASK 0x3F + +#define MSS_RXQ_ASS_Q_BASE(q, fq) ((((q) + (fq)) % MSS_RXQ_ASS_PER_REG) \ + * MSS_RXQ_ASS_PER_OFFS) +#define MSS_RXQ_ASS_PQ_BASE(q, fq) ((((q) + (fq)) / MSS_RXQ_ASS_PER_REG) \ + * MSS_RXQ_ASS_OFFS) +#define MSS_RXQ_ASS_REG(q, fq) (MSS_RXQ_ASS_BASE + MSS_RXQ_ASS_PQ_BASE(q, fq)) + +#define MSS_THRESHOLD_STOP 768 +#define MSS_THRESHOLD_START 1024 /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ @@ -1022,6 +1049,9 @@ struct mvpp2 { /* Global TX Flow Control config */ bool global_tx_fc; + + /* Spinlocks for CM3 shared memory configuration */ + spinlock_t mss_spinlock; }; struct mvpp2_pcpu_stats { @@ -1184,6 +1214,9 @@ struct mvpp2_port { bool rx_hwtstamp; enum hwtstamp_tx_types tx_hwtstamp_type; struct mvpp2_hwtstamp_queue tx_hwtstamp_queue[2]; + + /* Firmware TX flow control */ + bool tx_fc; }; /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 027101b..f1770e5 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -741,6 +741,110 @@ static void *mvpp2_buf_alloc(struct mvpp2_port *port, return data; } +/* Routine enable flow control for RXQs condition */ +static void mvpp2_rxq_enable_fc(struct mvpp2_port *port) +{ + int val, cm3_state, host_id, q; + int fq = port->first_rxq; + unsigned long flags; + + spin_lock_irqsave(&port->priv->mss_spinlock, flags); + + /* Remove Flow control enable bit to prevent race between FW and Kernel + * If Flow control was enabled, it would be re-enabled. + */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + cm3_state = (val & FLOW_CONTROL_ENABLE_BIT); + val &= ~FLOW_CONTROL_ENABLE_BIT; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + /* Set same Flow control for all RXQs */ + for (q = 0; q < port->nrxqs; q++) { + /* Set stop and start Flow control RXQ thresholds */ + val = MSS_THRESHOLD_START; + val |= (MSS_THRESHOLD_STOP << MSS_RXQ_TRESH_STOP_OFFS); + mvpp2_cm3_write(port->priv, MSS_RXQ_TRESH_REG(q, fq), val); + + val = mvpp2_cm3_read(port->priv, MSS_RXQ_ASS_REG(q, fq)); + /* Set RXQ port ID */ + val &= ~(MSS_RXQ_ASS_PORTID_MASK << MSS_RXQ_ASS_Q_BASE(q, fq)); + val |= (port->id << MSS_RXQ_ASS_Q_BASE(q, fq)); + val &= ~(MSS_RXQ_ASS_HOSTID_MASK << (MSS_RXQ_ASS_Q_BASE(q, fq) + + MSS_RXQ_ASS_HOSTID_OFFS)); + + /* Calculate RXQ host ID: + * In Single queue mode: Host ID equal to Host ID used for + * shared RX interrupt + * In Multi queue mode: Host ID equal to number of + * RXQ ID / number of CoS queues + * In Single resource mode: Host ID always equal to 0 + */ + if (queue_mode == MVPP2_QDIST_SINGLE_MODE) + host_id = port->nqvecs; + else if (queue_mode == MVPP2_QDIST_MULTI_MODE) + host_id = q; + else + host_id = 0; + + /* Set RXQ host ID */ + val |= (host_id << (MSS_RXQ_ASS_Q_BASE(q, fq) + + MSS_RXQ_ASS_HOSTID_OFFS)); + + mvpp2_cm3_write(port->priv, MSS_RXQ_ASS_REG(q, fq), val); + } + + /* Notify Firmware that Flow control config space ready for update */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + val |= FLOW_CONTROL_UPDATE_COMMAND_BIT; + val |= cm3_state; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + spin_unlock_irqrestore(&port->priv->mss_spinlock, flags); +} + +/* Routine disable flow control for RXQs condition */ +static void mvpp2_rxq_disable_fc(struct mvpp2_port *port) +{ + int val, cm3_state, q; + unsigned long flags; + int fq = port->first_rxq; + + spin_lock_irqsave(&port->priv->mss_spinlock, flags); + + /* Remove Flow control enable bit to prevent race between FW and Kernel + * If Flow control was enabled, it would be re-enabled. + */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + cm3_state = (val & FLOW_CONTROL_ENABLE_BIT); + val &= ~FLOW_CONTROL_ENABLE_BIT; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + /* Disable Flow control for all RXQs */ + for (q = 0; q < port->nrxqs; q++) { + /* Set threshold 0 to disable Flow control */ + val = 0; + val |= (0 << MSS_RXQ_TRESH_STOP_OFFS); + mvpp2_cm3_write(port->priv, MSS_RXQ_TRESH_REG(q, fq), val); + + val = mvpp2_cm3_read(port->priv, MSS_RXQ_ASS_REG(q, fq)); + + val &= ~(MSS_RXQ_ASS_PORTID_MASK << MSS_RXQ_ASS_Q_BASE(q, fq)); + + val &= ~(MSS_RXQ_ASS_HOSTID_MASK << (MSS_RXQ_ASS_Q_BASE(q, fq) + + MSS_RXQ_ASS_HOSTID_OFFS)); + + mvpp2_cm3_write(port->priv, MSS_RXQ_ASS_REG(q, fq), val); + } + + /* Notify Firmware that Flow control config space ready for update */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + val |= FLOW_CONTROL_UPDATE_COMMAND_BIT; + val |= cm3_state; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + spin_unlock_irqrestore(&port->priv->mss_spinlock, flags); +} + /* Release buffer to BM */ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, dma_addr_t buf_dma_addr, @@ -3005,6 +3109,9 @@ static void mvpp2_cleanup_rxqs(struct mvpp2_port *port) for (queue = 0; queue < port->nrxqs; queue++) mvpp2_rxq_deinit(port, port->rxqs[queue]); + + if (port->tx_fc) + mvpp2_rxq_disable_fc(port); } /* Init all Rx queues for port */ @@ -3017,6 +3124,10 @@ static int mvpp2_setup_rxqs(struct mvpp2_port *port) if (err) goto err_cleanup; } + + if (port->tx_fc) + mvpp2_rxq_enable_fc(port); + return 0; err_cleanup: @@ -4316,6 +4427,8 @@ static int mvpp2_check_ringparam_valid(struct net_device *dev, if (ring->rx_pending > MVPP2_MAX_RXD_MAX) new_rx_pending = MVPP2_MAX_RXD_MAX; + else if (ring->rx_pending < MSS_THRESHOLD_START) + new_rx_pending = MSS_THRESHOLD_START; else if (!IS_ALIGNED(ring->rx_pending, 16)) new_rx_pending = ALIGN(ring->rx_pending, 16); @@ -7148,6 +7261,9 @@ static int mvpp2_probe(struct platform_device *pdev) priv->hw_version = MVPP23; } + /* Init mss lock */ + spin_lock_init(&priv->mss_spinlock); + /* Initialize network controller */ err = mvpp2_init(pdev, priv); if (err < 0) { From patchwork Tue Feb 9 08:42:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077483 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 35213C433DB for ; Tue, 9 Feb 2021 08:48:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 93B3564EC9 for ; Tue, 9 Feb 2021 08:48:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93B3564EC9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Zisu+/f7Q7i8x0WktyRIO7lhcY+koFLZAMZLbd+lk1E=; b=Y2izcpCIDnqgyzhadfRcoQiOo 7l35NcI1zcZh1DXjeTidd5NTgAXJgjf1eoujW8D+1NGYpFE7XVp35VOleh3jBicU0sViURON6IKrA 8kQmCAa45eaW2KKvNneWzvxf/C1jzinaVSbUWa7QcoybtHQg7nZ6Tcsp47Hh1uieX5PXaANDUZUdx NdODqq2CJfIZ2e6555HwGm/copGvKlnHsubV9XTbTgumQ3SnuozcXiFEPh9Gg1wEexJgEPHQW32OP QJy9SmHGVllpMxy3CDfx9YuH/VsW4+wB8s5uJrZfL9lVJp3k6LwjYUTF5cpKxPdC5P87Cpjjluwkm yVYtX0H5w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OfF-0004Zz-7Q; Tue, 09 Feb 2021 08:46:29 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Of8-0004XQ-D0 for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:46:25 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jbVP027031; Tue, 9 Feb 2021 00:46:14 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=gusGcKjkpYrL/9nPDcPl8QQ1Ql1EWFX5m4rt2iWUdbk=; b=d487n5aJj2ahfoRCGRlL6uF7SmfDklzfVJt8mG/7Xh66X9lxTOmOBDeAcyYDtA6uCmOE Ztkf/pGa8fUx1zGfNWzl/jps3lMLzY+5RuAKHqmoECV7azZZRiJT8l/E15lq48WdjGHR iG677kq3BjJ0GW/jqgZljKhEt+OUPxvxE0Mq3xmmsWLnKYCkJNbtki9jCcrmDgSt6XvG hRpyXPuPGcjZiQwO+mjErF97pKY1/f123hMZcGsDRnESu0YL/tYh2QyIufLzI22F0sTB zGy2ag6prw2gTolsDH2q1gT+y5/Aa4l1Xg0Wk0gHFKDnAtenJbyHf4l1/+Mne5LK13zG 4g== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m6c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:46:14 -0800 Received: from SC-EXCH04.marvell.com (10.93.176.84) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:46:12 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:46:11 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:46:11 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id AB2053F703F; Tue, 9 Feb 2021 00:46:07 -0800 (PST) From: To: Subject: [PATCH v11 net-next 11/15] net: mvpp2: add ethtool flow control configuration support Date: Tue, 9 Feb 2021 10:42:27 +0200 Message-ID: <1612860151-12275-12-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034623_375181_66C11994 X-CRM114-Status: GOOD ( 22.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch add ethtool flow control configuration support. Tx flow control retrieved correctly by ethtool get function. FW per port ethtool configuration capability added. Patch also takes care about mtu change procedure, if PPv2 switch BM pools during mtu change. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 13 +++ drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 98 ++++++++++++++++++++ 2 files changed, 111 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 0010a3e9..0731dc7 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -774,6 +774,19 @@ #define MSS_RXQ_TRESH_REG(q, fq) (MSS_RXQ_TRESH_BASE + (((q) + (fq)) \ * MSS_RXQ_TRESH_OFFS)) +#define MSS_BUF_POOL_BASE 0x40 +#define MSS_BUF_POOL_OFFS 4 +#define MSS_BUF_POOL_REG(id) (MSS_BUF_POOL_BASE \ + + (id) * MSS_BUF_POOL_OFFS) + +#define MSS_BUF_POOL_STOP_MASK 0xFFF +#define MSS_BUF_POOL_START_MASK (0xFFF << MSS_BUF_POOL_START_OFFS) +#define MSS_BUF_POOL_START_OFFS 12 +#define MSS_BUF_POOL_PORTS_MASK (0xF << MSS_BUF_POOL_PORTS_OFFS) +#define MSS_BUF_POOL_PORTS_OFFS 24 +#define MSS_BUF_POOL_PORT_OFFS(id) (0x1 << \ + ((id) + MSS_BUF_POOL_PORTS_OFFS)) + #define MSS_RXQ_TRESH_START_MASK 0xFFFF #define MSS_RXQ_TRESH_STOP_MASK (0xFFFF << MSS_RXQ_TRESH_STOP_OFFS) #define MSS_RXQ_TRESH_STOP_OFFS 16 diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index f1770e5..90c9265 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -845,6 +845,59 @@ static void mvpp2_rxq_disable_fc(struct mvpp2_port *port) spin_unlock_irqrestore(&port->priv->mss_spinlock, flags); } +/* Routine disable/enable flow control for BM pool condition */ +static void mvpp2_bm_pool_update_fc(struct mvpp2_port *port, + struct mvpp2_bm_pool *pool, + bool en) +{ + int val, cm3_state; + unsigned long flags; + + spin_lock_irqsave(&port->priv->mss_spinlock, flags); + + /* Remove Flow control enable bit to prevent race between FW and Kernel + * If Flow control were enabled, it would be re-enabled. + */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + cm3_state = (val & FLOW_CONTROL_ENABLE_BIT); + val &= ~FLOW_CONTROL_ENABLE_BIT; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + /* Check if BM pool should be enabled/disable */ + if (en) { + /* Set BM pool start and stop thresholds per port */ + val = mvpp2_cm3_read(port->priv, MSS_BUF_POOL_REG(pool->id)); + val |= MSS_BUF_POOL_PORT_OFFS(port->id); + val &= ~MSS_BUF_POOL_START_MASK; + val |= (MSS_THRESHOLD_START << MSS_BUF_POOL_START_OFFS); + val &= ~MSS_BUF_POOL_STOP_MASK; + val |= MSS_THRESHOLD_STOP; + mvpp2_cm3_write(port->priv, MSS_BUF_POOL_REG(pool->id), val); + } else { + /* Remove BM pool from the port */ + val = mvpp2_cm3_read(port->priv, MSS_BUF_POOL_REG(pool->id)); + val &= ~MSS_BUF_POOL_PORT_OFFS(port->id); + + /* Zero BM pool start and stop thresholds to disable pool + * flow control if pool empty (not used by any port) + */ + if (!pool->buf_num) { + val &= ~MSS_BUF_POOL_START_MASK; + val &= ~MSS_BUF_POOL_STOP_MASK; + } + + mvpp2_cm3_write(port->priv, MSS_BUF_POOL_REG(pool->id), val); + } + + /* Notify Firmware that Flow control config space ready for update */ + val = mvpp2_cm3_read(port->priv, MSS_FC_COM_REG); + val |= FLOW_CONTROL_UPDATE_COMMAND_BIT; + val |= cm3_state; + mvpp2_cm3_write(port->priv, MSS_FC_COM_REG, val); + + spin_unlock_irqrestore(&port->priv->mss_spinlock, flags); +} + /* Release buffer to BM */ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, dma_addr_t buf_dma_addr, @@ -1175,6 +1228,16 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu) new_long_pool = MVPP2_BM_LONG; if (new_long_pool != port->pool_long->id) { + if (port->tx_fc) { + if (pkt_size > MVPP2_BM_LONG_PKT_SIZE) + mvpp2_bm_pool_update_fc(port, + port->pool_short, + false); + else + mvpp2_bm_pool_update_fc(port, port->pool_long, + false); + } + /* Remove port from old short & long pool */ port->pool_long = mvpp2_bm_pool_use(port, port->pool_long->id, port->pool_long->pkt_size); @@ -1192,6 +1255,25 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu) mvpp2_swf_bm_pool_init(port); mvpp2_set_hw_csum(port, new_long_pool); + + if (port->tx_fc) { + if (pkt_size > MVPP2_BM_LONG_PKT_SIZE) + mvpp2_bm_pool_update_fc(port, port->pool_long, + true); + else + mvpp2_bm_pool_update_fc(port, port->pool_short, + true); + } + + /* Update L4 checksum when jumbo enable/disable on port */ + if (new_long_pool == MVPP2_BM_JUMBO && port->id != 0) { + dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); + dev->hw_features &= ~(NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM); + } else { + dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + } } out_set: @@ -6357,6 +6439,7 @@ static void mvpp2_mac_link_up(struct phylink_config *config, { struct mvpp2_port *port = mvpp2_phylink_to_port(config); u32 val; + int i; if (mvpp2_is_xlg(interface)) { if (!phylink_autoneg_inband(mode)) { @@ -6407,6 +6490,21 @@ static void mvpp2_mac_link_up(struct phylink_config *config, val); } + if (port->priv->global_tx_fc) { + port->tx_fc = tx_pause; + if (tx_pause) + mvpp2_rxq_enable_fc(port); + else + mvpp2_rxq_disable_fc(port); + if (port->priv->percpu_pools) { + for (i = 0; i < port->nrxqs; i++) + mvpp2_bm_pool_update_fc(port, &port->priv->bm_pools[i], tx_pause); + } else { + mvpp2_bm_pool_update_fc(port, port->pool_long, tx_pause); + mvpp2_bm_pool_update_fc(port, port->pool_short, tx_pause); + } + } + mvpp2_port_enable(port); mvpp2_egress_enable(port); From patchwork Tue Feb 9 08:42:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077485 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 9ECD8C433E0 for ; Tue, 9 Feb 2021 08:48:27 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3E34164ECA for ; Tue, 9 Feb 2021 08:48:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E34164ECA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FxREFdJdcxZ2Pzr1MmZUhIhAHf9yxKfqmrPj7yFvHqA=; b=FmBDFdGDe4qdappCKFKLwFtK+ zS3DEOYdGxqw7TgyirtQai+cYNNS3dYNIZKbjJ+p1+Qt4Hbh2GiwCGBUq0lHcEDe2oW0fBXzmDHj7 rsehthuSpnpiPZti6+THmVr2KyW8ozib8V4oBdU8DR1XxPFM+tlvCQcuiAfeyOTExuwg0inch4kev azB7s2EvXIQzBU+QpNgrvMYE+Qgy6FaPNyK2+hjn5163io1TaT7PeN4wy0WRFWH125G3DqXvQ8W07 9C73Fsbex7r09HCJQ3sicEXYrPHFx/RqNH2VlyJekaIb14dYkKJE144ue2Y5/cc+zuufbz84pkfxb jB5WgB2Zw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OfX-0004jf-PI; Tue, 09 Feb 2021 08:46:47 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OfQ-0004gm-Ej for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:46:42 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jcr6027043; Tue, 9 Feb 2021 00:46:32 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=ONxyPelp9fH1mkghm338rZTKOjU3yNemu45/C3nD9qQ=; b=RhwAsI2LAnUAUHGRBquUS3Yzs8rwpU9ez0WJMlTBXGRaoQj6cWliQAvt2Ld3LGUbBU3U onXIcs1Jc96TlMXUe8PFY1OydfqCaGQieM8GsSn2QIlI4zFVUAKSaBzbLvJHStbWma13 vuy+NWq0sTz5p/E6oyHfYmQJamR4HOPxxIlTc8HcpXl0x/n1ZorQO7QHdh0HoPNn/nt7 96nLe/jGitmHlT39/Miyhj6dS4OP/W0u1p0Hhc5UdF8ws89gUUmyh8o9o0bmrYkXbCcM CSfaYiS609LEnvVHOJ8MF3vOyfJuqm0FwJQFTAcbF4M1zD+RD623InNbSvqdOZvY56MW Hg== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m73-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:46:32 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:46:30 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:46:30 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 0D1483F703F; Tue, 9 Feb 2021 00:46:25 -0800 (PST) From: To: Subject: [PATCH v11 net-next 12/15] net: mvpp2: add BM protection underrun feature support Date: Tue, 9 Feb 2021 10:42:28 +0200 Message-ID: <1612860151-12275-13-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034640_674781_D5573689 X-CRM114-Status: GOOD ( 19.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski The PP2v23 hardware supports a feature allowing to double the size of BPPI by decreasing number of pools from 16 to 8. Increasing of BPPI size protect BM drop from BPPI underrun. Underrun could occurred due to stress on DDR and as result slow buffer transition from BPPE to BPPI. New BPPI threshold recommended by spec is: BPPI low threshold - 640 buffers BPPI high threshold - 832 buffers Supported only in PPv23. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 8 +++++ drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 35 +++++++++++++++++++- 2 files changed, 42 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 0731dc7..9b525b60 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -324,6 +324,10 @@ #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \ MVPP2_BM_HIGH_THRESH_OFFS) +#define MVPP2_BM_BPPI_HIGH_THRESH 0x1E +#define MVPP2_BM_BPPI_LOW_THRESH 0x1C +#define MVPP23_BM_BPPI_HIGH_THRESH 0x34 +#define MVPP23_BM_BPPI_LOW_THRESH 0x28 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4)) #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0) #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1) @@ -352,6 +356,10 @@ #define MVPP2_OVERRUN_ETH_DROP 0x7000 #define MVPP2_CLS_ETH_DROP 0x7020 +#define MVPP22_BM_POOL_BASE_ADDR_HIGH_REG 0x6310 +#define MVPP22_BM_POOL_BASE_ADDR_HIGH_MASK 0xff +#define MVPP23_BM_8POOL_MODE BIT(8) + /* Hit counters registers */ #define MVPP2_CTRS_IDX 0x7040 #define MVPP22_CTRS_TX_CTR(port, txq) ((txq) | ((port) << 3) | BIT(7)) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 90c9265..3faad04 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -69,6 +69,11 @@ enum mvpp2_bm_pool_log_num { module_param(queue_mode, int, 0444); MODULE_PARM_DESC(queue_mode, "Set queue_mode (single=0, multi=1)"); +static int bm_underrun_protect = 1; + +module_param(bm_underrun_protect, int, 0444); +MODULE_PARM_DESC(bm_underrun_protect, "Set BM underrun protect feature (0-1), def=1"); + /* Utility/helper methods */ void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data) @@ -423,6 +428,21 @@ static int mvpp2_bm_pool_create(struct device *dev, struct mvpp2 *priv, val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id)); val |= MVPP2_BM_START_MASK; + + val &= ~MVPP2_BM_LOW_THRESH_MASK; + val &= ~MVPP2_BM_HIGH_THRESH_MASK; + + /* Set 8 Pools BPPI threshold if BM underrun protection feature + * was enabled + */ + if (priv->hw_version == MVPP23 && bm_underrun_protect) { + val |= MVPP2_BM_LOW_THRESH_VALUE(MVPP23_BM_BPPI_LOW_THRESH); + val |= MVPP2_BM_HIGH_THRESH_VALUE(MVPP23_BM_BPPI_HIGH_THRESH); + } else { + val |= MVPP2_BM_LOW_THRESH_VALUE(MVPP2_BM_BPPI_LOW_THRESH); + val |= MVPP2_BM_HIGH_THRESH_VALUE(MVPP2_BM_BPPI_HIGH_THRESH); + } + mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id), val); bm_pool->size = size; @@ -591,6 +611,16 @@ static int mvpp2_bm_pools_init(struct device *dev, struct mvpp2 *priv) return err; } +/* Routine enable PPv23 8 pool mode */ +static void mvpp23_bm_set_8pool_mode(struct mvpp2 *priv) +{ + int val; + + val = mvpp2_read(priv, MVPP22_BM_POOL_BASE_ADDR_HIGH_REG); + val |= MVPP23_BM_8POOL_MODE; + mvpp2_write(priv, MVPP22_BM_POOL_BASE_ADDR_HIGH_REG, val); +} + static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv) { enum dma_data_direction dma_dir = DMA_FROM_DEVICE; @@ -644,6 +674,9 @@ static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv) if (!priv->bm_pools) return -ENOMEM; + if (priv->hw_version == MVPP23 && bm_underrun_protect) + mvpp23_bm_set_8pool_mode(priv); + err = mvpp2_bm_pools_init(dev, priv); if (err < 0) return err; @@ -6490,7 +6523,7 @@ static void mvpp2_mac_link_up(struct phylink_config *config, val); } - if (port->priv->global_tx_fc) { + if (port->priv->global_tx_fc && bm_underrun_protect) { port->tx_fc = tx_pause; if (tx_pause) mvpp2_rxq_enable_fc(port); From patchwork Tue Feb 9 08:42:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077487 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 2D66AC433E6 for ; Tue, 9 Feb 2021 08:49:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 CD55964EC9 for ; Tue, 9 Feb 2021 08:49:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD55964EC9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=p1m1kvx/ErMMlElweqmh1b0Xt5Arus3OBabUXCS4LdU=; b=2sa/x8g+gFBAe9KfxjTvpd8wW Ha9UX5ABDrh/0Op/vnodtIz9JhnZex01H9Ccc7CKYMJeIFq0zpH7kDohsrYH6qfkhjrdFhy6kf6p5 xP4x8UYVFy6dm6e2gYLknzu5gaD63FzXMFx8G3pFaNsvNcUKoA6NP5BMJ7ky36YkW4yd+Bc4kLCCi N1oITNkUg9bI7697k9BzAyqrbSzz5bqT/gH8XVfJycheKpCrVQnh4tBGpaXHpdmOgNpdtZvPbsUPn cO0h3jnO2bMzx43RN2kSloxdTPemuvTrm/uBq18YNOP0BL98L0hrxZa/XDepofSj0aIQaIS15c4DA 0naCbBpVA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OgK-00057A-LE; Tue, 09 Feb 2021 08:47:37 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Ofm-0004sN-PK for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:47:05 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jxad027125; Tue, 9 Feb 2021 00:46:54 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Fju7VJVzj4BYevlp6YHfus5NhcYRY6k/q0luWVcHeOo=; b=K/NQRpND0D62tSG7FwmjkNWZBsnr0odjglrTHRrZwKF3jDlsqo9/Z+w0fLFDv651XuEb jjJc3aPmooEoBsVjcZDyNWw0/3gRwdib6y6AkjHDj29ogU1EgCIV4/oxL5fW1T7YToj2 SZb+sfYGLbz9XYfnxM8kIesJ045C/55XbO1DX+0UoHNYNqcrSBc4htmzQ2P1zX8Z6rQs cEatIRuMr2vsmjppLf36CUBKT7F/yTP3rddx+ALLQnlflwkB/CRiseYzi3pDX4VHJfoZ yPXZw5x3cnKldCTpWvx8P6KEFMibwpUqLtirx4FVPhDOgJU6y8F1cxCyI2dXqg7bkvbW bQ== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m84-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:46:54 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:46:52 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:46:52 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 475903F703F; Tue, 9 Feb 2021 00:46:48 -0800 (PST) From: To: Subject: [PATCH v11 net-next 13/15] net: mvpp2: add PPv23 RX FIFO flow control Date: Tue, 9 Feb 2021 10:42:29 +0200 Message-ID: <1612860151-12275-14-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034703_264935_9AF3DF96 X-CRM114-Status: GOOD ( 18.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski New FIFO flow control feature was added in PPv23. PPv2 FIFO polled by HW and trigger pause frame if FIFO fill level is below threshold. FIFO HW flow control enabled with CM3 RXQ&BM flow control with ethtool. Current FIFO thresholds is: 9KB for port with maximum speed 10Gb/s port 4KB for port with maximum speed 5Gb/s port 2KB for port with maximum speed 1Gb/s port Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 15 ++++++ drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 53 ++++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 9b525b60..b61a1ba 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -770,6 +770,18 @@ #define MVPP2_TX_FIFO_THRESHOLD(kb) \ ((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN) +/* RX FIFO threshold in 1KB granularity */ +#define MVPP23_PORT0_FIFO_TRSH (9 * 1024) +#define MVPP23_PORT1_FIFO_TRSH (4 * 1024) +#define MVPP23_PORT2_FIFO_TRSH (2 * 1024) + +/* RX Flow Control Registers */ +#define MVPP2_RX_FC_REG(port) (0x150 + 4 * (port)) +#define MVPP2_RX_FC_EN BIT(24) +#define MVPP2_RX_FC_TRSH_OFFS 16 +#define MVPP2_RX_FC_TRSH_MASK (0xFF << MVPP2_RX_FC_TRSH_OFFS) +#define MVPP2_RX_FC_TRSH_UNIT 256 + /* MSS Flow control */ #define MSS_FC_COM_REG 0 #define FLOW_CONTROL_ENABLE_BIT BIT(0) @@ -1498,6 +1510,8 @@ struct mvpp2_bm_pool { void mvpp2_dbgfs_cleanup(struct mvpp2 *priv); +void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en); + #ifdef CONFIG_MVPP2_PTP int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv); void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp, @@ -1530,4 +1544,5 @@ static inline bool mvpp22_rx_hwtstamping(struct mvpp2_port *port) { return IS_ENABLED(CONFIG_MVPP2_PTP) && port->rx_hwtstamp; } + #endif diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 3faad04..a472125 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -6536,6 +6536,8 @@ static void mvpp2_mac_link_up(struct phylink_config *config, mvpp2_bm_pool_update_fc(port, port->pool_long, tx_pause); mvpp2_bm_pool_update_fc(port, port->pool_short, tx_pause); } + if (port->priv->hw_version == MVPP23) + mvpp23_rx_fifo_fc_en(port->priv, port->id, tx_pause); } mvpp2_port_enable(port); @@ -7004,6 +7006,55 @@ static void mvpp22_rx_fifo_init(struct mvpp2 *priv) mvpp2_write(priv, MVPP2_RX_FIFO_INIT_REG, 0x1); } +/* Configure Rx FIFO Flow control thresholds */ +static void mvpp23_rx_fifo_fc_set_tresh(struct mvpp2 *priv) +{ + int port, val; + + /* Port 0: maximum speed -10Gb/s port + * required by spec RX FIFO threshold 9KB + * Port 1: maximum speed -5Gb/s port + * required by spec RX FIFO threshold 4KB + * Port 2: maximum speed -1Gb/s port + * required by spec RX FIFO threshold 2KB + */ + + /* Without loopback port */ + for (port = 0; port < (MVPP2_MAX_PORTS - 1); port++) { + if (port == 0) { + val = (MVPP23_PORT0_FIFO_TRSH / MVPP2_RX_FC_TRSH_UNIT) + << MVPP2_RX_FC_TRSH_OFFS; + val &= MVPP2_RX_FC_TRSH_MASK; + mvpp2_write(priv, MVPP2_RX_FC_REG(port), val); + } else if (port == 1) { + val = (MVPP23_PORT1_FIFO_TRSH / MVPP2_RX_FC_TRSH_UNIT) + << MVPP2_RX_FC_TRSH_OFFS; + val &= MVPP2_RX_FC_TRSH_MASK; + mvpp2_write(priv, MVPP2_RX_FC_REG(port), val); + } else { + val = (MVPP23_PORT2_FIFO_TRSH / MVPP2_RX_FC_TRSH_UNIT) + << MVPP2_RX_FC_TRSH_OFFS; + val &= MVPP2_RX_FC_TRSH_MASK; + mvpp2_write(priv, MVPP2_RX_FC_REG(port), val); + } + } +} + +/* Configure Rx FIFO Flow control thresholds */ +void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en) +{ + int val; + + val = mvpp2_read(priv, MVPP2_RX_FC_REG(port)); + + if (en) + val |= MVPP2_RX_FC_EN; + else + val &= ~MVPP2_RX_FC_EN; + + mvpp2_write(priv, MVPP2_RX_FC_REG(port), val); +} + static void mvpp22_tx_fifo_set_hw(struct mvpp2 *priv, int port, int size) { int threshold = MVPP2_TX_FIFO_THRESHOLD(size); @@ -7155,6 +7206,8 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) } else { mvpp22_rx_fifo_init(priv); mvpp22_tx_fifo_init(priv); + if (priv->hw_version == MVPP23) + mvpp23_rx_fifo_fc_set_tresh(priv); } if (priv->hw_version == MVPP21) From patchwork Tue Feb 9 08:42:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077489 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 73EE9C433DB for ; Tue, 9 Feb 2021 08:49:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 13E8D64EBE for ; Tue, 9 Feb 2021 08:49:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 13E8D64EBE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=zLk2c6KrgmPJknZQbc0jOmrlUdcqjgs6dbObilNDtSE=; b=2M9uuglr5hpX3dnpu0wKjbLLM Uxs2E6nFA1xazFoeK+a57By/S5pbi+FWR8J/MJuQutnWDWvkHZOmJ4mNxRDi8JZ2xPZQuG9udOSLl jBxjb+SaPxrLSx4qSWOG2+3GvFUEiLTIVCe2NjSzVHGfkcg9rlQdEvuedYX9C1IntMFbYCQd/rtAG vW6Akj0HnD8OaJg5+/pnLKfXnLhSuDuW33u9umYdUhHed+e+mhFug+f1uE2HcZw0cEQ/EKQ9s0o5L 1bMMN13MWgHYEGCBPzxTj9vwzgsRh3RGOhac64BCXdpyDb3uldb/xzL4Rl5WNJi/LWaVupYBfMwSf JOWfyilNw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OgZ-0005F8-BQ; Tue, 09 Feb 2021 08:47:51 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Og4-00050p-6I for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:47:21 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jcrB027043; Tue, 9 Feb 2021 00:47:12 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=DvfD7O77b2ATuThWoUKzOIAnS3uUNeYNikGy/OGeLu8=; b=QT8UruL7w7KKxaqGq48YhU2uNyhRurzbb37qJrXTTbP6aOPVucEPYzQtBHhx0yTXaByD qwNC4YVtErUTxEDj38fSP0nVyH6UL+fY8+YdNYFf6tTB9m/ksVYhuyMqYKT0CypFj0C9 CuOk/KgOLI8ZzfolPL6L0wcrHxGNIsg5g94K/BBXX9Vi1STrvPdZmPepjTPdzh2k0ULy kqkCZQ8GEtHqpg547p3OHXzIFNBDvc4oz/s3GLBykV0nsKelYDr1GMwXLsO3dbZy3DMc 5Th50cL8ZGZMMLoL/Fu8cKfy1BOQEdPM/HThgCwa0UOOVU8WHUx6T6QoqD3yuSIyeNWe Iw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m8k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:47:12 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:47:10 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:47:10 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 7A4583F703F; Tue, 9 Feb 2021 00:47:06 -0800 (PST) From: To: Subject: [PATCH v11 net-next 14/15] net: mvpp2: set 802.3x GoP Flow Control mode Date: Tue, 9 Feb 2021 10:42:30 +0200 Message-ID: <1612860151-12275-15-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034720_775489_E6CA1ED4 X-CRM114-Status: GOOD ( 14.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski This patch fix GMAC TX flow control autoneg. Flow control autoneg wrongly were disabled with enabled TX flow control. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index a472125..4d0a398 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -6283,7 +6283,7 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, old_ctrl4 = ctrl4 = readl(port->base + MVPP22_GMAC_CTRL_4_REG); ctrl0 &= ~MVPP2_GMAC_PORT_TYPE_MASK; - ctrl2 &= ~(MVPP2_GMAC_INBAND_AN_MASK | MVPP2_GMAC_PCS_ENABLE_MASK); + ctrl2 &= ~(MVPP2_GMAC_INBAND_AN_MASK | MVPP2_GMAC_PCS_ENABLE_MASK | MVPP2_GMAC_FLOW_CTRL_MASK); /* Configure port type */ if (phy_interface_mode_is_8023z(state->interface)) { From patchwork Tue Feb 9 08:42:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 12077491 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 54A82C433E0 for ; Tue, 9 Feb 2021 08:50:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 EAA3564E54 for ; Tue, 9 Feb 2021 08:50:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAA3564E54 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=marvell.com 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ptDT5YbPIQTkgW1C3DjZiv41QJ7WXtJhWc2JfJpaSxw=; b=XibsDDXRRVe7UuylUshpkYrZF h60vq5BkUQe7edP/cDuwD6ezjFAetwDoUMTiGhvKFR+OMOOzGffkgASQ53Y41tq0FklJNDQk5MVpa ECTg2Fc2qKFICEfGUzqgwCUOYJ7MJ8SBKGPQzqTiuHau2c88DUhExYTGltdPdrrJ88+d12jDiqvrw GuK7mHiL3LurALMtLshbz4wQlVMcgTUtwaWVE9L4favUUYrklwDtRmL6SVwTo/vOSHaUZta6UR75m oMzHmv+hs9NQ1MiL55TX4t7UQMLvgM72icf69u6qQTX7+GoaG6LEF8DFpdT0ytOH7GkHmpSd01MIG xyJghyrEg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9OhQ-0005cF-3M; Tue, 09 Feb 2021 08:48:44 +0000 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Ogh-0005J0-Ef for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 08:48:00 +0000 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1198jbPv027034; Tue, 9 Feb 2021 00:47:50 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=YyIJ/1eDbCh0foaOPgcKNNopcXPvlFkHzZZvwgJfM/4=; b=hCof6M2YKcLKQbpifTqV/kfwkweYWAXi3BIR+uFMmVrx/x9S7z5D6Gi2tsZayLcmtwfy PQgPYmmpJZSdfjX2xIJYjiLq9wgmNMRxtHmr9AM/cJ7qBVSOMG7G1YvpOe2Yj4e+Qx+p RUSjX42n3vNuLQCICJmr+sXJ9BDoLgKAosBjiLQLhn84I5ZWCwfGA5CFG2cCD4a1N7E0 GA23ZH25Y78aNHMQUe40lAmRZVXqWY5j09n8IB3/crOKguzHLyKhTYfTZzAMsp69Q2hA bQvhgZMrKNeYhDUxQtXbGQV4VX2FPrv0MqoDRBt1voYoF/STp8bCoBG0RjnxfEFkjsvw DA== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq7m9f-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 09 Feb 2021 00:47:50 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Feb 2021 00:47:48 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 9 Feb 2021 00:47:48 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 4F32F3F703F; Tue, 9 Feb 2021 00:47:44 -0800 (PST) From: To: Subject: [PATCH v11 net-next 15/15] net: mvpp2: add TX FC firmware check Date: Tue, 9 Feb 2021 10:42:31 +0200 Message-ID: <1612860151-12275-16-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612860151-12275-1-git-send-email-stefanc@marvell.com> References: <1612860151-12275-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-09_02:2021-02-09, 2021-02-09 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_034759_610722_41E063BA X-CRM114-Status: GOOD ( 19.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@lunn.ch, ymarkman@marvell.com, devicetree@vger.kernel.org, atenart@kernel.org, linux-kernel@vger.kernel.org, linux@armlinux.org.uk, nadavh@marvell.com, rmk+kernel@armlinux.org.uk, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, thomas.petazzoni@bootlin.com, kuba@kernel.org, stefanc@marvell.com, mw@semihalf.com, davem@davemloft.net, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Stefan Chulski Patch check that TX FC firmware is running in CM3. If not, global TX FC would be disabled. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 1 + drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 42 ++++++++++++++++---- 2 files changed, 36 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index b61a1ba..da87152 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -828,6 +828,7 @@ #define MSS_THRESHOLD_STOP 768 #define MSS_THRESHOLD_START 1024 +#define MSS_FC_MAX_TIMEOUT 5000 /* RX buffer constants */ #define MVPP2_SKB_SHINFO_SIZE \ diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 4d0a398..fed4521 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -931,6 +931,34 @@ static void mvpp2_bm_pool_update_fc(struct mvpp2_port *port, spin_unlock_irqrestore(&port->priv->mss_spinlock, flags); } +static int mvpp2_enable_global_fc(struct mvpp2 *priv) +{ + int val, timeout = 0; + + /* Enable global flow control. In this stage global + * flow control enabled, but still disabled per port. + */ + val = mvpp2_cm3_read(priv, MSS_FC_COM_REG); + val |= FLOW_CONTROL_ENABLE_BIT; + mvpp2_cm3_write(priv, MSS_FC_COM_REG, val); + + /* Check if Firmware running and disable FC if not*/ + val |= FLOW_CONTROL_UPDATE_COMMAND_BIT; + mvpp2_cm3_write(priv, MSS_FC_COM_REG, val); + + while (timeout < MSS_FC_MAX_TIMEOUT) { + val = mvpp2_cm3_read(priv, MSS_FC_COM_REG); + + if (!(val & FLOW_CONTROL_UPDATE_COMMAND_BIT)) + return 0; + usleep_range(10, 20); + timeout++; + } + + priv->global_tx_fc = false; + return -EOPNOTSUPP; +} + /* Release buffer to BM */ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, dma_addr_t buf_dma_addr, @@ -7263,7 +7291,7 @@ static int mvpp2_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; int i, shared; - int err, val; + int err; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -7487,13 +7515,13 @@ static int mvpp2_probe(struct platform_device *pdev) goto err_port_probe; } - /* Enable global flow control. In this stage global - * flow control enabled, but still disabled per port. - */ if (priv->global_tx_fc && priv->hw_version != MVPP21) { - val = mvpp2_cm3_read(priv, MSS_FC_COM_REG); - val |= FLOW_CONTROL_ENABLE_BIT; - mvpp2_cm3_write(priv, MSS_FC_COM_REG, val); + err = mvpp2_enable_global_fc(priv); + if (err) { + dev_warn(&pdev->dev, "CM3 firmware not running, version should be higher than 18.09 "); + dev_warn(&pdev->dev, "and chip revision B0\n"); + dev_warn(&pdev->dev, "Flow control not supported\n"); + } } mvpp2_dbgfs_init(priv, pdev->name);