From patchwork Wed Oct 31 15:46:52 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Kravkov X-Patchwork-Id: 195897 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 9728F2C020B for ; Thu, 1 Nov 2012 02:47:14 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932707Ab2JaPrM (ORCPT ); Wed, 31 Oct 2012 11:47:12 -0400 Received: from mms1.broadcom.com ([216.31.210.17]:3321 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757618Ab2JaPrK (ORCPT ); Wed, 31 Oct 2012 11:47:10 -0400 Received: from [10.9.200.133] by mms1.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Wed, 31 Oct 2012 08:45:53 -0700 X-Server-Uuid: 06151B78-6688-425E-9DE2-57CB27892261 Received: from mail-irva-13.broadcom.com (10.11.16.103) by IRVEXCHHUB02.corp.ad.broadcom.com (10.9.200.133) with Microsoft SMTP Server id 8.2.247.2; Wed, 31 Oct 2012 08:46:31 -0700 Received: from lb-tlvb-dmitry.broadcom.com ( lb-tlvb-dmitry.il.broadcom.com [10.185.7.55]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 29F8840FE9; Wed, 31 Oct 2012 08:46:58 -0700 (PDT) From: "Dmitry Kravkov" To: ariele@broadcom.com, eilong@broadcom.com, davem@davemloft.net, netdev@vger.kernel.org cc: "Yaniv Rosner" , "Barak Witkowski" , "Dmitry Kravkov" Subject: [PATCH net 1/7] bnx2x: Fix 57810 1G-KR link against certain switches. Date: Wed, 31 Oct 2012 17:46:52 +0200 Message-ID: <1351698418-10005-2-git-send-email-dmitry@broadcom.com> X-Mailer: git-send-email 1.7.7.2 In-Reply-To: <1351698418-10005-1-git-send-email-dmitry@broadcom.com> References: <1351698418-10005-1-git-send-email-dmitry@broadcom.com> MIME-Version: 1.0 X-WSS-ID: 7C8F983B2102236545-01-01 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Yaniv Rosner Fix 1G KR link by restoring CL72 misc control register to default value rather than 0. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index e2e45ee..290e12a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3545,12 +3545,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { - u16 val16 = 0, lane, i; + u16 val16 = 0, lane, i, cl72_ctrl; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, @@ -3565,6 +3564,13 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); + cl72_ctrl &= 0xf8ff; + cl72_ctrl |= 0x3800; + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); + /* Check adding advertisement for 1G KX */ if (((vars->line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||