From patchwork Fri Oct 4 10:21:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13822138 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1BDB6CFA765 for ; Fri, 4 Oct 2024 10:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:Content-Type :Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hNsvK/YXMbJdPcncfyaeH9hTAgOAiowNzDwIawzXXyo=; b=cR9oOAmMfX2Dym3TyD3tX9emyJ g4k0QnZkIxWaKPPzGspKkpNdlJkrZy4CYIXvX83rsFaBkT5WT5RqQM9k3pGONV1foPDeCeJQq1YRU IlVf917y+iBnXjbk59dgnySOniqgiYb6lokF66b4de5qMEV+xnQRWSsykQTUTCi3s2OW63laA0+4Z hAmiKQ2VLJENOVLvLRY4feW2dROjLiUlTfgE/75fKRUTnkVaLs5eZPu4GBbo630+Et9PNuyxCm17Y kJkHcHSRGrfwiM8S2DJTuC0o20eOcJC+n6BXNCX7Zl9NtNpridnwF8Ebz3jUch7LSeVBAzFa3Hzs8 mV4I0/uA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1swfhY-0000000Btwo-4BFH; Fri, 04 Oct 2024 10:38:25 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1swfRa-0000000Bp0G-43ao for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2024 10:21:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=hNsvK/YXMbJdPcncfyaeH9hTAgOAiowNzDwIawzXXyo=; b=TzXbuz/UaW0dlb2BwaaOlPQHEQ 4ILM14g9vDXcWIBAsssNB1TOZfN5STXeXdnlXZdXSTdidtGa9SnnPB5q2M3UrXrqIfsigRcO9Vgt4 ZOkAz9NEL6xT7Y6XnC/eRYyUEngpe4A12zUY9nhEpFigm8sG+blW5ZuJrD2eOYZtSjCN+rbIUMfFJ nn2QV71sNQNMynttg+2gWGdGGeqrZPV2F9PCb09PIYE1FxMllIKe7dnkQFtz8PHJOQs8YOfmfv8qA KOj6ZLh2rBCQyj97MtBdo3TPWwSxN7DhSS4lTrMU7mMqNQFwHQthHZ7nf62rW5LBzactBszi1Cxw8 4EaAAIXw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:56230 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1swfRQ-0001jW-2u; Fri, 04 Oct 2024 11:21:44 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1swfRO-006DgA-P9; Fri, 04 Oct 2024 11:21:42 +0100 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn , Heiner Kallweit Cc: Alexandre Torgue , "David S. Miller" , Eric Dumazet , Florian Fainelli , Jakub Kicinski , Jiawen Wu , Jose Abreu , Jose Abreu , linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Maxime Coquelin , Mengyuan Lou , netdev@vger.kernel.org, Paolo Abeni , Vladimir Oltean Subject: [PATCH net-next 13/13] net: pcs: xpcs: move Wangxun VR_XS_PCS_DIG_CTRL1 configuration MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Fri, 04 Oct 2024 11:21:42 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241004_032155_041925_59AB1BA7 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to commits 2a22b7ae2fa3 ("net: pcs: xpcs: adapt Wangxun NICs for SGMII mode") and 2deea43f386d ("net: pcs: xpcs: add 1000BASE-X AN interrupt support"), Wangxun devices need special VR_XS_PCS_DIG_CTRL1 settings for SGMII and 1000BASE-X. Both SGMII and 1000BASE-X use the same settings. Rather than placing these in the individual xpcs_config_*() functions, move it to where we already test for the Wangxun devices in xpcs_do_config(). Signed-off-by: Russell King (Oracle) --- drivers/net/pcs/pcs-xpcs.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index d6e63f091995..c69421e80d19 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -636,9 +636,6 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, int ret, mdio_ctrl, tx_conf; u16 mask, val; - if (xpcs->info.pma == WX_TXGBE_XPCS_PMA_10G_ID) - xpcs_write_vpcs(xpcs, DW_VR_XS_PCS_DIG_CTRL1, DW_CL37_BP | DW_EN_VSMMD1); - /* For AN for C37 SGMII mode, the settings are :- * 1) VR_MII_MMD_CTRL Bit(12) [AN_ENABLE] = 0b (Disable SGMII AN in case it is already enabled) @@ -714,9 +711,6 @@ static int xpcs_config_aneg_c37_1000basex(struct dw_xpcs *xpcs, bool changed = 0; u16 mask, val; - if (xpcs->info.pma == WX_TXGBE_XPCS_PMA_10G_ID) - xpcs_write_vpcs(xpcs, DW_VR_XS_PCS_DIG_CTRL1, DW_CL37_BP | DW_EN_VSMMD1); - /* According to Chap 7.12, to set 1000BASE-X C37 AN, AN must * be disabled first:- * 1) VR_MII_MMD_CTRL Bit(12)[AN_ENABLE] = 0b @@ -806,6 +800,14 @@ static int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, ret = txgbe_xpcs_switch_mode(xpcs, interface); if (ret) return ret; + + /* Wangxun devices need backplane CL37 AN enabled for + * SGMII and 1000base-X + */ + if (interface == PHY_INTERFACE_MODE_SGMII || + interface == PHY_INTERFACE_MODE_1000BASEX) + xpcs_write_vpcs(xpcs, DW_VR_XS_PCS_DIG_CTRL1, + DW_CL37_BP | DW_EN_VSMMD1); } switch (compat->an_mode) {