From patchwork Thu Dec 17 09:40:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 345357 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 01F72C2BB48 for ; Thu, 17 Dec 2020 09:43:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE5B923976 for ; Thu, 17 Dec 2020 09:43:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727649AbgLQJnL (ORCPT ); Thu, 17 Dec 2020 04:43:11 -0500 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:55282 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726580AbgLQJnI (ORCPT ); Thu, 17 Dec 2020 04:43:08 -0500 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 0BH9ZiOc008430; Thu, 17 Dec 2020 01:40:20 -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=kzVNG9l2wMsHpkgpX4GfYITXE8UzXLYNc9dS0IWK3gM=; b=ASa7COd2kRBXR+LuTtRrJsykOMjNUgaivErYq3Z4qK8WLKxQiW4Ortp2tdxs3KjkWKpq ZuR1/z5EZxXZOkQZwVIVWjFuaI7fzvILpZfD0WzqiCGmFY48oWW3ZG58Cr67Xu5wM+hU tAM5yCOSZwv/Zt6NB6tr/npn3cucNeZqHGTb0Cb7aZBx6aUeoE6c9QyLHcgjftVKf75U trKeJM1ZEGmDNhx5oBCjGlri8jE1P1pzWk87rGoVAJcYEJoBR4pkqXYCSlRw8hO9twN2 DMceeWdNRKUlnhLfhQ89qH7WomagX9fD/kbIhLekPK2WqRNa/PJdHI1GSFQ5yDMeVc9E 8g== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 35g4rp018j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 17 Dec 2020 01:40:20 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 17 Dec 2020 01:40:19 -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; Thu, 17 Dec 2020 01:40:19 -0800 Received: from stefan-pc.marvell.com (unknown [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id B0B753F7041; Thu, 17 Dec 2020 01:40:16 -0800 (PST) From: To: CC: , , , , , , , , , , Subject: [PATCH net v2 2/2] net: mvpp2: disable force link UP during port init procedure Date: Thu, 17 Dec 2020 11:40:07 +0200 Message-ID: <1608198007-10143-2-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1608198007-10143-1-git-send-email-stefanc@marvell.com> References: <1608198007-10143-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2020-12-17_07:2020-12-15,2020-12-17 signatures=0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Stefan Chulski Force link UP can be enabled by bootloader during tftpboot and breaks NFS support. Force link UP disabled during port init procedure. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index d2b0506..0ad3177 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -5479,7 +5479,7 @@ static int mvpp2_port_init(struct mvpp2_port *port) struct mvpp2 *priv = port->priv; struct mvpp2_txq_pcpu *txq_pcpu; unsigned int thread; - int queue, err; + int queue, err, val; /* Checks for hardware constraints */ if (port->first_rxq + port->nrxqs > @@ -5493,6 +5493,18 @@ static int mvpp2_port_init(struct mvpp2_port *port) mvpp2_egress_disable(port); mvpp2_port_disable(port); + if (mvpp2_is_xlg(port->phy_interface)) { + val = readl(port->base + MVPP22_XLG_CTRL0_REG); + val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS; + val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN; + writel(val, port->base + MVPP22_XLG_CTRL0_REG); + } else { + val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG); + val &= ~MVPP2_GMAC_FORCE_LINK_PASS; + val |= MVPP2_GMAC_FORCE_LINK_DOWN; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); + } + port->tx_time_coal = MVPP2_TXDONE_COAL_USEC; port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs),