From patchwork Fri Oct 14 06:47:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harini Katakam X-Patchwork-Id: 2538 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4ac7:0:0:0:0:0 with SMTP id y7csp43219wrs; Fri, 14 Oct 2022 00:16:35 -0700 (PDT) X-Google-Smtp-Source: AMsMyM45dtSpgoLNYrF1TojcIHo0/rfYZzzxWbemptPN5iP1wkg56wtfGPqu420hvI0ImQBQVOd9 X-Received: by 2002:a17:907:75d5:b0:78d:ef76:da7d with SMTP id jl21-20020a17090775d500b0078def76da7dmr2549643ejc.476.1665731795224; Fri, 14 Oct 2022 00:16:35 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1665731795; cv=pass; d=google.com; s=arc-20160816; b=CuSwaP0kFiTmfU8e0dP5tfuboWki0XwxpUyBam/aZcx6Vsr9Uc4M6tVw5vqHWQC9s7 2vPNM6Nn9IEhvFvbWkll/ogXHKFJkU/J35GnAQmMgy5hxgwPqmQT0ed/m5XrxVQZUetf KYoGm3Oyhy0FQwEoONz0Qu+i5zAeAKm8C2oIS3qEmgTx29RdvLXYj3IWgt1ZEkRGO9Ip PQx0B5uKe+gWLAvIy7ZZIAs5XpeGvjJ6FZ0spwFt7pQEYvW3mq/KCiQINq+FILvIhfah k/moLHgnEMH9Cbg5qDoP9EcQO3x9gT7rCiaUJB6dIYDRM+82iLpvxXG8H6GC2gg/4m5w 2i1g== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from :dkim-signature; bh=CDmWzcUen+mdB4+xmOQKivrfbK/4IZyLLtzcH5L/Ajs=; b=IdTdfc8hC6hy/r0MJCUF0WMyzwC0zKNBdNwY5BlD2u4Og1YSOKgaXOR4KcafPb/JPR uT+iPPVsni0PDREeoLpZ8en1yes40UjEh6Zydk9ehpSaEJENou7bIkE+xf03pMVhYbY2 xbTxDzBYlYBtr9XrmmoFnIrT1jNNLwEONqv9AivYWvy+KgSLrY0SrUCmQw366XL6nywi c3P/g6V1y50BSrQPRE64veQWrzIiqHpY3LpuXrI4FAVQOApTyUzbY0ZD2b8gVbxkioiJ 8JArNkngRMSB1lxLcLwaATHdh1TzzMHXccqXCtADou/ZY2XE+yoERDiFbWkk+uD7IVlh PPSQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Bl6DpjHw; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id md8-20020a170906ae8800b007828388864dsi1492973ejb.692.2022.10.14.00.16.10; Fri, 14 Oct 2022 00:16:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Bl6DpjHw; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229784AbiJNGsT (ORCPT + 99 others); Fri, 14 Oct 2022 02:48:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229879AbiJNGsO (ORCPT ); Fri, 14 Oct 2022 02:48:14 -0400 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2077.outbound.protection.outlook.com [40.107.237.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A08AB1B2BBD; Thu, 13 Oct 2022 23:48:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MSakksebsBoVlBz6Uvc/8v5pI+DMhDWFfYXWsyQU1OOALB2MVja+n8xajiTNVZzoS0GUuS6vRmNFoxjdsqFIX2ra4fNpkZKMwWbXrlvQJisyB0P/iE2DCO0MLxetJ281SZbp8fJhMmKEEnNHG1v9EJshtHwwAbkIv8IzDTQj3udZ8VGhg0x6WINJznObHX9/TPPUyvm9+ZQ+x9oKmhc7HcK3IYt5v/cZoFc9BP2++iIkptWuxshgaj8FeZQL1GNESglURMumvq3ClxO5hJ52UpOMRBkF23T8IuIRgboiIs2igXqQIQ8tBAmNRjcETYgmY27FavoP3aOLLGVLebrliw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=CDmWzcUen+mdB4+xmOQKivrfbK/4IZyLLtzcH5L/Ajs=; b=TBxWrmkdkJRep4YKRGrw0tKEI5euJBWbHCePn8Iy9PMIVSTBjUespQbtoVcVsRjhnRwBIxBTY25yg/6lstOosOT8qZvIRqtuLeExZyG1SRfu8ko1jHaUe1tghe1ewYNctcpZD9cR005uI/q6tidgiuK3oENN8QeztKunJE+bn4hAI6a+22M/BNNMHiztJ9CwbzpyEchbJJuU4UwpWv339t/9Y2YiaHS0yRjKViVUC4OjjQ/BCc6I+qHDfeVumpVxH/UJTSaQdiBvli4MJraC325BNVJGzL1hBX5ZfIyeKPRYhuBhOWnpnJUK+12W821EciIgeXu81bvGiu3hiAogjg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lunn.ch smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=CDmWzcUen+mdB4+xmOQKivrfbK/4IZyLLtzcH5L/Ajs=; b=Bl6DpjHwC46pa700YPSLTI92k4G4/558J/DnX/TSR8q9qFA/kJPxH4xeORhWkc7NGFfTxC+MgmQz36hzO9VA3MTdKfB/2PT/yOztOnECJn+/PvO5nf//oui3aFAide/o2Z7nNYgqJm1lKuWCgAME/PL6Fhw19uUF1qj4xr/p3GQ= Received: from DM6PR07CA0130.namprd07.prod.outlook.com (2603:10b6:5:330::22) by SN7PR12MB6912.namprd12.prod.outlook.com (2603:10b6:806:26d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5709.15; Fri, 14 Oct 2022 06:48:07 +0000 Received: from DM6NAM11FT060.eop-nam11.prod.protection.outlook.com (2603:10b6:5:330:cafe::d3) by DM6PR07CA0130.outlook.office365.com (2603:10b6:5:330::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.28 via Frontend Transport; Fri, 14 Oct 2022 06:48:07 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT060.mail.protection.outlook.com (10.13.173.63) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5723.20 via Frontend Transport; Fri, 14 Oct 2022 06:48:05 +0000 Received: from SATLEXMB05.amd.com (10.181.40.146) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Fri, 14 Oct 2022 01:48:00 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Fri, 14 Oct 2022 01:47:53 -0500 Received: from xhdharinik40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.28 via Frontend Transport; Fri, 14 Oct 2022 01:47:50 -0500 From: Harini Katakam To: , , , , , , CC: , , , , , Subject: [PATCH v2] net: phy: dp83867: Extend RX strap quirk for SGMII mode Date: Fri, 14 Oct 2022 12:17:35 +0530 Message-ID: <20221014064735.18928-1-harini.katakam@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT060:EE_|SN7PR12MB6912:EE_ X-MS-Office365-Filtering-Correlation-Id: 878fbc3a-fd10-4c39-5682-08daadb00beb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(136003)(396003)(346002)(39860400002)(376002)(451199015)(36840700001)(40470700004)(46966006)(426003)(8936002)(82740400003)(5660300002)(4326008)(8676002)(6666004)(47076005)(110136005)(40460700003)(54906003)(82310400005)(356005)(81166007)(26005)(478600001)(41300700001)(316002)(70206006)(36860700001)(36756003)(70586007)(86362001)(44832011)(336012)(2906002)(40480700001)(2616005)(7416002)(1076003)(186003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2022 06:48:05.1543 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 878fbc3a-fd10-4c39-5682-08daadb00beb X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT060.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB6912 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746578995378955087?= X-GMAIL-MSGID: =?utf-8?q?1746646382911637419?= When RX strap in HW is not set to MODE 3 or 4, bit 7 and 8 in CF4 register should be set. The former is already handled in dp83867_config_init; add the latter in SGMII specific initialization. Fixes: 2a10154abcb7 ("net: phy: dp83867: Add TI dp83867 phy") Signed-off-by: Harini Katakam Reviewed-by: Andrew Lunn --- drivers/net/phy/dp83867.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 6939563d3b7c..417527f8bbf5 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -853,6 +853,14 @@ static int dp83867_config_init(struct phy_device *phydev) else val &= ~DP83867_SGMII_TYPE; phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_SGMIICTL, val); + + /* This is a SW workaround for link instability if RX_CTRL is + * not strapped to mode 3 or 4 in HW. This is required for SGMII + * in addition to clearing bit 7, handled above. + */ + if (dp83867->rxctrl_strap_quirk) + phy_set_bits_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4, + BIT(8)); } val = phy_read(phydev, DP83867_CFG3);