From patchwork Mon Jul 16 05:43:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siva Reddy Kallam X-Patchwork-Id: 944138 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=none (p=none dis=none) header.from=broadom.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=broadcom.com header.i=@broadcom.com header.b="ClaSdS4l"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41TXQf3hnhz9s2g for ; Mon, 16 Jul 2018 15:43:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727494AbeGPGJb (ORCPT ); Mon, 16 Jul 2018 02:09:31 -0400 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]:50874 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726253AbeGPGJb (ORCPT ); Mon, 16 Jul 2018 02:09:31 -0400 Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.224.233]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 7A47D30C026; Sun, 15 Jul 2018 22:43:50 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com 7A47D30C026 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1531719830; bh=Rw0bY2ZOmHYyboeR8v8Asmwcu28+qpALj9RaT8OSDZw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ClaSdS4lkAqB3xgTYckzgqJYMddZE3+xlhJngPmpovSnI/dcTILPK/smykVjGkxO9 roQEzslWvFuw9IDewA3PhG25sGr7FE78WNfvRiGDuCqrGyAVKvqf5vpeKMGPm94G/M zGAuEmzjrtw7ch2e5HpDouKoOo0P1h+DhChmyvlo= Received: from ibnvdb0915.broadcom.com (ibnvdb0915.ibn.broadcom.net [10.89.195.173]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 771DD81EBF; Sun, 15 Jul 2018 22:43:50 -0700 (PDT) Received: by ibnvdb0915.broadcom.com (Postfix, from userid 39974) id 9BA6A164E80; Mon, 16 Jul 2018 11:13:49 +0530 (IST) From: Siva Reddy Kallam To: davem@davemloft.net Cc: netdev@vger.kernel.org, michael.chan@broadcom.com, prashant.sreedharan@broadcom.com, sanjeevb.bansal@broadcom.com, Siva Reddy Kallam Subject: [PATCH net 2/2] tg3: Add higher cpu clock for 5762. Date: Mon, 16 Jul 2018 11:13:32 +0530 Message-Id: <20180716054332.82009-3-siva.kallam@broadom.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20180716054332.82009-1-siva.kallam@broadom.com> References: <20180716054332.82009-1-siva.kallam@broadom.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sanjeev Bansal This patch has fix for TX timeout while running bi-directional traffic with 100 Mbps using 5762. Signed-off-by: Sanjeev Bansal Signed-off-by: Siva Reddy Kallam Reviewed-by: Michael Chan --- drivers/net/ethernet/broadcom/tg3.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 2ee1527..aa1374d 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9294,6 +9294,15 @@ static int tg3_chip_reset(struct tg3 *tp) tg3_restore_clk(tp); + /* Increase the core clock speed to fix tx timeout issue for 5762 + * with 100Mbps link speed. + */ + if (tg3_asic_rev(tp) == ASIC_REV_5762) { + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val | + TG3_CPMU_MAC_ORIDE_ENABLE); + } + /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |