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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C82BCC433EF for ; Sun, 24 Oct 2021 08:28:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B301960241 for ; Sun, 24 Oct 2021 08:28:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231731AbhJXIbI (ORCPT ); Sun, 24 Oct 2021 04:31:08 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:49433 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231694AbhJXIaq (ORCPT ); Sun, 24 Oct 2021 04:30:46 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1635064106; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=1z+za45IccSl9YTvw/bc7kFJLANmVMqBzHIxLc+8eJ8=; b=AfNEfdTjUmALpeBC+dxmva+vT6YAhr5FZG4UHQ735mFKVu4eJn8gMJkDYBtMzgNQpnELzw1/ bpyGjWtsQmSEyrm54+BsNfNJD7d9JCd7XJiTdjLIxjl7coABg/uHOZRsputm1jCf3QSyieZ6 DE7gxiKkFSxjsE693YVv5OzcZAk= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyJiZjI2MiIsICJuZXRkZXZAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n06.prod.us-west-2.postgun.com with SMTP id 617519205baa84c77bbb2c67 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sun, 24 Oct 2021 08:28:16 GMT Sender: luoj=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id CF437C43635; Sun, 24 Oct 2021 08:28:15 +0000 (UTC) Received: from akronite-sh-dev02.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: luoj) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8DE9FC43617; Sun, 24 Oct 2021 08:28:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 8DE9FC43617 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Luo Jie To: andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, sricharan@codeaurora.org, Luo Jie Subject: [PATCH v7 11/14] net: phy: add qca8081 config_init Date: Sun, 24 Oct 2021 16:27:35 +0800 Message-Id: <20211024082738.849-12-luoj@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211024082738.849-1-luoj@codeaurora.org> References: <20211024082738.849-1-luoj@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add the qca8081 phy driver config_init function, which includes: 1. Enable fast restrain. 2. Add 802.3az configurations. 3. Initialize ADC threshold as 100mv. Signed-off-by: Luo Jie --- drivers/net/phy/at803x.c | 107 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index 70c1025e8e5d..da710523b7c4 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -178,6 +178,51 @@ #define AT803X_KEEP_PLL_ENABLED BIT(0) #define AT803X_DISABLE_SMARTEEE BIT(1) +/* ADC threshold */ +#define QCA808X_PHY_DEBUG_ADC_THRESHOLD 0x2c80 +#define QCA808X_ADC_THRESHOLD_MASK GENMASK(7, 0) +#define QCA808X_ADC_THRESHOLD_80MV 0 +#define QCA808X_ADC_THRESHOLD_100MV 0xf0 +#define QCA808X_ADC_THRESHOLD_200MV 0x0f +#define QCA808X_ADC_THRESHOLD_300MV 0xff + +/* CLD control */ +#define QCA808X_PHY_MMD3_ADDR_CLD_CTRL7 0x8007 +#define QCA808X_8023AZ_AFE_CTRL_MASK GENMASK(8, 4) +#define QCA808X_8023AZ_AFE_EN 0x90 + +/* AZ control */ +#define QCA808X_PHY_MMD3_AZ_TRAINING_CTRL 0x8008 +#define QCA808X_MMD3_AZ_TRAINING_VAL 0x1c32 + +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB 0x8014 +#define QCA808X_MSE_THRESHOLD_20DB_VALUE 0x529 + +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB 0x800E +#define QCA808X_MSE_THRESHOLD_17DB_VALUE 0x341 + +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB 0x801E +#define QCA808X_MSE_THRESHOLD_27DB_VALUE 0x419 + +#define QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB 0x8020 +#define QCA808X_MSE_THRESHOLD_28DB_VALUE 0x341 + +#define QCA808X_PHY_MMD7_TOP_OPTION1 0x901c +#define QCA808X_TOP_OPTION1_DATA 0x0 + +#define QCA808X_PHY_MMD3_DEBUG_1 0xa100 +#define QCA808X_MMD3_DEBUG_1_VALUE 0x9203 +#define QCA808X_PHY_MMD3_DEBUG_2 0xa101 +#define QCA808X_MMD3_DEBUG_2_VALUE 0x48ad +#define QCA808X_PHY_MMD3_DEBUG_3 0xa103 +#define QCA808X_MMD3_DEBUG_3_VALUE 0x1698 +#define QCA808X_PHY_MMD3_DEBUG_4 0xa105 +#define QCA808X_MMD3_DEBUG_4_VALUE 0x8001 +#define QCA808X_PHY_MMD3_DEBUG_5 0xa106 +#define QCA808X_MMD3_DEBUG_5_VALUE 0x1111 +#define QCA808X_PHY_MMD3_DEBUG_6 0xa011 +#define QCA808X_MMD3_DEBUG_6_VALUE 0x5f85 + MODULE_DESCRIPTION("Qualcomm Atheros AR803x and QCA808X PHY driver"); MODULE_AUTHOR("Matus Ujhelyi"); MODULE_LICENSE("GPL"); @@ -1489,6 +1534,67 @@ static int qca83xx_suspend(struct phy_device *phydev) return 0; } +static int qca808x_phy_fast_retrain_config(struct phy_device *phydev) +{ + int ret; + + /* Enable fast retrain */ + ret = genphy_c45_fast_retrain(phydev, true); + if (ret) + return ret; + + phy_write_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_TOP_OPTION1, + QCA808X_TOP_OPTION1_DATA); + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_20DB, + QCA808X_MSE_THRESHOLD_20DB_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_17DB, + QCA808X_MSE_THRESHOLD_17DB_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_27DB, + QCA808X_MSE_THRESHOLD_27DB_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PMAPMD, QCA808X_PHY_MMD1_MSE_THRESHOLD_28DB, + QCA808X_MSE_THRESHOLD_28DB_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_1, + QCA808X_MMD3_DEBUG_1_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_4, + QCA808X_MMD3_DEBUG_4_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_5, + QCA808X_MMD3_DEBUG_5_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_3, + QCA808X_MMD3_DEBUG_3_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_6, + QCA808X_MMD3_DEBUG_6_VALUE); + phy_write_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_DEBUG_2, + QCA808X_MMD3_DEBUG_2_VALUE); + + return 0; +} + +static int qca808x_config_init(struct phy_device *phydev) +{ + int ret; + + /* Active adc&vga on 802.3az for the link 1000M and 100M */ + ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7, + QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN); + if (ret) + return ret; + + /* Adjust the threshold on 802.3az for the link 1000M */ + ret = phy_write_mmd(phydev, MDIO_MMD_PCS, + QCA808X_PHY_MMD3_AZ_TRAINING_CTRL, QCA808X_MMD3_AZ_TRAINING_VAL); + if (ret) + return ret; + + /* Config the fast retrain for the link 2500M */ + ret = qca808x_phy_fast_retrain_config(phydev); + if (ret) + return ret; + + /* Configure adc threshold as 100mv for the link 10M */ + return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_ADC_THRESHOLD, + QCA808X_ADC_THRESHOLD_MASK, QCA808X_ADC_THRESHOLD_100MV); +} + static int qca808x_read_status(struct phy_device *phydev) { int ret; @@ -1690,6 +1796,7 @@ static struct phy_driver at803x_driver[] = { .suspend = genphy_suspend, .resume = genphy_resume, .read_status = qca808x_read_status, + .config_init = qca808x_config_init, }, }; module_phy_driver(at803x_driver); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project