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 Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC684FAD3F2 for ; Thu, 23 Apr 2026 03:41:11 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9AECF40656; Thu, 23 Apr 2026 05:41:01 +0200 (CEST) Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) by mails.dpdk.org (Postfix) with ESMTP id C2E7C40150; Thu, 23 Apr 2026 05:40:58 +0200 (CEST) X-QQ-mid: zesmtpgz4t1776915653t6f1d195f X-QQ-Originating-IP: aYceQSd/p/hXkK504BlZSY5xoQuIkSWHbRDRSiEGzbk= Received: from DSK-zaiyuwang.trustnetic.com ( [115.220.225.180]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 23 Apr 2026 11:40:52 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 13919449926613207040 EX-QQ-RecipientCnt: 4 From: Zaiyu Wang To: dev@dpdk.org Cc: Zaiyu Wang , stable@dpdk.org, Jiawen Wu Subject: [PATCH 03/18] net/ngbe: add missing CDR config for YT PHY Date: Thu, 23 Apr 2026 11:40:08 +0800 Message-Id: <20260423034024.14404-4-zaiyuwang@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20260423034024.14404-1-zaiyuwang@trustnetic.com> References: <20260423034024.14404-1-zaiyuwang@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:trustnetic.com:qybglogicsvrsz:qybglogicsvrsz3b-0 X-QQ-XMAILINFO: MhOKvsv6t0fkWf1Xz9nWjIaSpmosWK7PEYBhjwtaF1kuwE+z2cNgxVuB 3q7HcpItgOpuRjlI06p2gra0md2ruo8V/7qexuplqDBNxe/FLIa/tHJ6g9uo2AppgJB1+PF hzmoqXvfMyHGxK59OuaT7TvbH0ONiz2F8KDcBPeLE08kHajs0yUCZOHHKIWc3fE0xkh83zP bcpwqJN3FpKPwf6fX9l9M9ZeoGr0X1b3WDN8Uqn6TIx4VBb5gPRXqxBbFhlPtG2Nr8N98CS bZ6ogOHElsgRAHm8/Z0CFIPsnxwAJUdD8fCHntKidiGIK5vlBPk4QZW6/Po87KTyz8Cna/t Y0P7fMb5BmKHtTsJ7UwXCrVDlUECyQnpq4oW3MfP3NM3NS8Le0m5eX64pJXH831UoyOoi76 IvB2CzKQQ5nn7O9+edvNFTt3UzwLrvUJw0IxXDAzX0qC7m9NVJKcs6C6cMxTLWCa93lB7tV CR8PR00TAjchtRZ4jDdWFPwsrV3E68o2wN7pqqPTT+l7fdB365fKp5FKq7L9FHvxa307cwY 8b7wosgR2UXNcui4X/0SQzYPVGh0yIpVF5k7u6cr4PcB4M1Z1K2lUCqjxNGyvjSksdBW0nD XOI61YF079EvDv7t/sA1D9YRRKyZAv/jVntshcp3X164YAfch4tUGGwk9U8P/PSYTd7g+/j zZIQP/J3aWyg5n81qWAN1bWPmlXJokowGQK2WNi3ueTMMbOi2fKNwzR/lLpmPGpT64Lq+TO C0UHVcFQT2N0s/IfixMHNgIpRhiP2xvnV84BttPQ8QYgNO96XyJ1CA6ne7ieNJP2ix1as4T 49YU0I9JX6d9VTNEIHm1T7Lxk7dHvxMLGUKDroTlu5uuzcFxXCxQgxzwhp3rew442M1maQr G9PAic0YdgDkztn/ypKr7UZzWLm5zzHfsHSpCiuFGsyHL0cTKrGsCGvkcb1O3Eev0g1Er/b 97BCMNcEBIunNMDZJGeS07SVJ6GRr4YoIQoIfWNp1jT6vv1zEmB7ZcKQY6P+EFNiA0QS9vD GqdFoBWroTYEzcy6vqDkq8eiuzY34oCbnQxWLLB1zY9/tZ+2btIvTvca+OGNlauF85BUE+/ CX+ciaQPdMP X-QQ-XMRINFO: OWPUhxQsoeAVwkVaQIEGSKwwgKCxK/fD5g== X-QQ-RECHKSPAM: 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org According to the PHY vendor, when YT8531S operates in UTP-to-Fiber or RGMII-to-Fiber mode with auto-negotiation disabled (Force mode), additional CDR (Clock Data Recovery) configuration is required to improve link connectivity. Without this config, link may be unstable or fail to establish. Cc: stable@dpdk.org Signed-off-by: Zaiyu Wang --- drivers/net/ngbe/base/ngbe_phy_yt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ngbe/base/ngbe_phy_yt.c b/drivers/net/ngbe/base/ngbe_phy_yt.c index d110fbc8b2..ab0778d246 100644 --- a/drivers/net/ngbe/base/ngbe_phy_yt.c +++ b/drivers/net/ngbe/base/ngbe_phy_yt.c @@ -264,6 +264,9 @@ s32 ngbe_setup_phy_link_yt(struct ngbe_hw *hw, u32 speed, value = YT_BCR_RESET | YT_BCR_ANE | YT_BCR_RESTART_AN | YT_BCR_DUPLEX | YT_BCR_SPEED_SELECT1; } else { + /* force mode need to config cdr */ + ngbe_write_phy_reg_sds_ext_yt(hw, 0x3, 0, 0x1434); + ngbe_write_phy_reg_sds_ext_yt(hw, 0xe, 0, 0x163); value = YT_BCR_RESET | YT_BCR_DUPLEX; if (speed & NGBE_LINK_SPEED_1GB_FULL) value |= YT_BCR_SPEED_SELECT1; -- 2.21.0.windows.1