From patchwork Sun Mar 22 13:23:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Voon, Weifeng" X-Patchwork-Id: 1259673 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48ldWb0rxhz9sRf for ; Mon, 23 Mar 2020 00:23:55 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726623AbgCVNXr (ORCPT ); Sun, 22 Mar 2020 09:23:47 -0400 Received: from mga01.intel.com ([192.55.52.88]:6483 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725785AbgCVNXr (ORCPT ); Sun, 22 Mar 2020 09:23:47 -0400 IronPort-SDR: +fPXcTOanJZuutaMe3soX6yKnXTWMH7Zr8ZHZYarTCTYxZSIXEg00ch2ZfVucoqDpXdmR1YVLU t9CnXFzmv1tQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2020 06:23:46 -0700 IronPort-SDR: kmEj8gauI73f3PTu4kwvPQK/oTWq3PUfEU6KV4hf4PYBn8KE5P8yJrzVpDJ/WYSumVy/vL2ehb l7GmMrbx3Xhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,292,1580803200"; d="scan'208";a="392638998" Received: from unknown (HELO climb.png.intel.com) ([10.221.118.165]) by orsmga004.jf.intel.com with ESMTP; 22 Mar 2020 06:23:43 -0700 From: Voon Weifeng To: "David S . Miller" , Maxime Coquelin Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jose Abreu , Giuseppe Cavallaro , Andrew Lunn , Alexandre Torgue , Ong Boon Leong , Voon Weifeng Subject: [RFC,net-next,v1, 0/1] Enable SERDES power up/down Date: Sun, 22 Mar 2020 21:23:41 +0800 Message-Id: <20200322132342.2687-1-weifeng.voon@intel.com> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch is to enable Intel SERDES power up/down sequence. The SERDES converts 8/10 bits data to SGMII signal. 1. Two new files intel_serdes.c and intel.h have been created to include the power up/down logic. 2. Platform data has_serdes is created to identify HW system that requires SERDES for SGMII mode. Expecting all Intel HW system will require it. The identification logic is added in hwif. 3. A new stmmac_serdes_ops struct is introduced as helpers to program SERDES. Voon Weifeng (1): net: stmmac: Enable SERDES power up/down sequence drivers/net/ethernet/stmicro/stmmac/Makefile | 2 +- drivers/net/ethernet/stmicro/stmmac/common.h | 1 + .../net/ethernet/stmicro/stmmac/dwmac4_core.c | 1 + drivers/net/ethernet/stmicro/stmmac/hwif.c | 44 ++++- drivers/net/ethernet/stmicro/stmmac/hwif.h | 12 ++ .../ethernet/stmicro/stmmac/intel_serdes.c | 181 ++++++++++++++++++ .../ethernet/stmicro/stmmac/intel_serdes.h | 23 +++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 8 + .../net/ethernet/stmicro/stmmac/stmmac_pci.c | 6 + include/linux/stmmac.h | 2 + 10 files changed, 278 insertions(+), 2 deletions(-) create mode 100644 drivers/net/ethernet/stmicro/stmmac/intel_serdes.c create mode 100644 drivers/net/ethernet/stmicro/stmmac/intel_serdes.h