From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 0C248C433DF for ; Sun, 19 Jul 2020 22:04:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6ADD22B51 for ; Sun, 19 Jul 2020 22:04:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="lXJ4bycG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726863AbgGSWDu (ORCPT ); Sun, 19 Jul 2020 18:03:50 -0400 Received: from ssl.serverraum.org ([176.9.125.105]:36013 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726159AbgGSWDu (ORCPT ); Sun, 19 Jul 2020 18:03:50 -0400 Received: from apollo.fritz.box (unknown [IPv6:2a02:810c:c200:2e91:6257:18ff:fec4:ca34]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 0E2D023078; Mon, 20 Jul 2020 00:03:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1595196227; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vanIZdxxBCgDihYippLTYRwQoxBMiBwbL2AevUy8LVY=; b=lXJ4bycGTXv6PSm+e4QTHGmtatpWbTl9PvqlifDEOLNjyPIifQ128k00U/JgE8rh/UXUx9 Han06LNANKEgEuqEycG+wIukWH2w5al/Kjx5rfjlbCGA7YcqrFB1va7Pw/GuSESnUA9mwF XkDyaOH6nv7qOOCw7E94N6/AIul0v20= From: Michael Walle To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "David S . Miller" , Jakub Kicinski , Andrew Lunn , Michael Walle , Vladimir Oltean , Alex Marginean , Claudiu Manoil , Heiko Thiery , Russell King - ARM Linux admin , Ioana Ciornei , Microchip Linux Driver Support , Vladimir Oltean Subject: [PATCH net-next v7 4/4] net: enetc: Use DT protocol information to set up the ports Date: Mon, 20 Jul 2020 00:03:36 +0200 Message-Id: <20200719220336.6919-5-michael@walle.cc> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200719220336.6919-1-michael@walle.cc> References: <20200719220336.6919-1-michael@walle.cc> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam: Yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alex Marginean Use DT information rather than in-band information from bootloader to set up MAC for XGMII. For RGMII use the DT indication in addition to RGMII defaults in hardware. However, this implies that PHY connection information needs to be extracted before netdevice creation, when the ENETC Port MAC is being configured. Signed-off-by: Alex Marginean Signed-off-by: Claudiu Manoil Signed-off-by: Michael Walle Tested-by: Vladimir Oltean --- .../net/ethernet/freescale/enetc/enetc_pf.c | 57 ++++++++++--------- .../net/ethernet/freescale/enetc/enetc_pf.h | 3 + 2 files changed, 34 insertions(+), 26 deletions(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 3bf345b84b76..5a08f66b123c 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -482,7 +482,8 @@ static void enetc_port_si_configure(struct enetc_si *si) enetc_port_wr(hw, ENETC_PSIVLANFMR, ENETC_PSIVLANFMR_VS); } -static void enetc_configure_port_mac(struct enetc_hw *hw) +static void enetc_configure_port_mac(struct enetc_hw *hw, + phy_interface_t phy_mode) { enetc_port_wr(hw, ENETC_PM0_MAXFRM, ENETC_SET_MAXFRM(ENETC_RX_MAXFRM_SIZE)); @@ -498,9 +499,11 @@ static void enetc_configure_port_mac(struct enetc_hw *hw) ENETC_PM0_CMD_TXP | ENETC_PM0_PROMISC | ENETC_PM0_TX_EN | ENETC_PM0_RX_EN); /* set auto-speed for RGMII */ - if (enetc_port_rd(hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG) + if (enetc_port_rd(hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG || + phy_interface_mode_is_rgmii(phy_mode)) enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_RGAUTO); - if (enetc_global_rd(hw, ENETC_G_EPFBLPR(1)) == ENETC_G_EPFBLPR1_XGMII) + + if (phy_mode == PHY_INTERFACE_MODE_USXGMII) enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_XGMII); } @@ -524,7 +527,7 @@ static void enetc_configure_port(struct enetc_pf *pf) enetc_configure_port_pmac(hw); - enetc_configure_port_mac(hw); + enetc_configure_port_mac(hw, pf->if_mode); enetc_port_si_configure(pf->si); @@ -776,27 +779,27 @@ static void enetc_mdio_remove(struct enetc_pf *pf) mdiobus_unregister(pf->mdio); } -static int enetc_of_get_phy(struct enetc_ndev_priv *priv) +static int enetc_of_get_phy(struct enetc_pf *pf) { - struct enetc_pf *pf = enetc_si_priv(priv->si); - struct device_node *np = priv->dev->of_node; + struct device *dev = &pf->si->pdev->dev; + struct device_node *np = dev->of_node; struct device_node *mdio_np; int err; - priv->phy_node = of_parse_phandle(np, "phy-handle", 0); - if (!priv->phy_node) { + pf->phy_node = of_parse_phandle(np, "phy-handle", 0); + if (!pf->phy_node) { if (!of_phy_is_fixed_link(np)) { - dev_err(priv->dev, "PHY not specified\n"); + dev_err(dev, "PHY not specified\n"); return -ENODEV; } err = of_phy_register_fixed_link(np); if (err < 0) { - dev_err(priv->dev, "fixed link registration failed\n"); + dev_err(dev, "fixed link registration failed\n"); return err; } - priv->phy_node = of_node_get(np); + pf->phy_node = of_node_get(np); } mdio_np = of_get_child_by_name(np, "mdio"); @@ -804,15 +807,15 @@ static int enetc_of_get_phy(struct enetc_ndev_priv *priv) of_node_put(mdio_np); err = enetc_mdio_probe(pf); if (err) { - of_node_put(priv->phy_node); + of_node_put(pf->phy_node); return err; } } - err = of_get_phy_mode(np, &priv->if_mode); + err = of_get_phy_mode(np, &pf->if_mode); if (err) { - dev_err(priv->dev, "missing phy type\n"); - of_node_put(priv->phy_node); + dev_err(dev, "missing phy type\n"); + of_node_put(pf->phy_node); if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); else @@ -824,14 +827,14 @@ static int enetc_of_get_phy(struct enetc_ndev_priv *priv) return 0; } -static void enetc_of_put_phy(struct enetc_ndev_priv *priv) +static void enetc_of_put_phy(struct enetc_pf *pf) { - struct device_node *np = priv->dev->of_node; + struct device_node *np = pf->si->pdev->dev.of_node; if (np && of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); - if (priv->phy_node) - of_node_put(priv->phy_node); + if (pf->phy_node) + of_node_put(pf->phy_node); } static int enetc_imdio_init(struct enetc_pf *pf, bool is_c45) @@ -994,6 +997,10 @@ static int enetc_pf_probe(struct pci_dev *pdev, pf->si = si; pf->total_vfs = pci_sriov_get_totalvfs(pdev); + err = enetc_of_get_phy(pf); + if (err) + dev_warn(&pdev->dev, "Fallback to PHY-less operation\n"); + enetc_configure_port(pf); enetc_get_si_caps(si); @@ -1008,6 +1015,8 @@ static int enetc_pf_probe(struct pci_dev *pdev, enetc_pf_netdev_setup(si, ndev, &enetc_ndev_ops); priv = netdev_priv(ndev); + priv->phy_node = pf->phy_node; + priv->if_mode = pf->if_mode; enetc_init_si_rings_params(priv); @@ -1023,10 +1032,6 @@ static int enetc_pf_probe(struct pci_dev *pdev, goto err_alloc_msix; } - err = enetc_of_get_phy(priv); - if (err) - dev_warn(&pdev->dev, "Fallback to PHY-less operation\n"); - err = enetc_configure_serdes(priv); if (err) dev_warn(&pdev->dev, "Attempted SerDes config but failed\n"); @@ -1040,7 +1045,6 @@ static int enetc_pf_probe(struct pci_dev *pdev, return 0; err_reg_netdev: - enetc_of_put_phy(priv); enetc_free_msix(priv); err_alloc_msix: enetc_free_si_resources(priv); @@ -1048,6 +1052,7 @@ static int enetc_pf_probe(struct pci_dev *pdev, si->ndev = NULL; free_netdev(ndev); err_alloc_netdev: + enetc_of_put_phy(pf); err_map_pf_space: enetc_pci_remove(pdev); @@ -1068,7 +1073,7 @@ static void enetc_pf_remove(struct pci_dev *pdev) enetc_imdio_remove(pf); enetc_mdio_remove(pf); - enetc_of_put_phy(priv); + enetc_of_put_phy(pf); enetc_free_msix(priv); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.h b/drivers/net/ethernet/freescale/enetc/enetc_pf.h index 2cb922b59f46..0d0ee91282a5 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.h @@ -46,6 +46,9 @@ struct enetc_pf { struct mii_bus *mdio; /* saved for cleanup */ struct mii_bus *imdio; struct phy_device *pcs; + + struct device_node *phy_node; + phy_interface_t if_mode; }; int enetc_msg_psi_init(struct enetc_pf *pf); -- 2.20.1