From patchwork Wed Sep 14 09:50:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: s-vadapalli X-Patchwork-Id: 12975914 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71AF8ECAAD3 for ; Wed, 14 Sep 2022 09:51:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231569AbiINJvt (ORCPT ); Wed, 14 Sep 2022 05:51:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231228AbiINJvm (ORCPT ); Wed, 14 Sep 2022 05:51:42 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 391F16567B; Wed, 14 Sep 2022 02:51:41 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 28E9pGI9101288; Wed, 14 Sep 2022 04:51:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1663149076; bh=GBPguLYuzWpgkQWE27/xUN3UdxcXSGCcXgb3PiozCmY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=kUiSuUrDNHyeW03LAxlB5F8+W5FOPmLG0+WD+1lDn7gPT3VjNnRWO/ZFXHsj/HkxB SI9Rn3j7cv5Lx/Z8Pu/W7RbyU5+n9uF70SKf4dqwSsU8235WxvZZ3ZGih1cWshmula Kh2ER07pdRfWoJ90w72d7JrWQN562QM/9izbupMo= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 28E9pG0W020328 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 14 Sep 2022 04:51:16 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6; Wed, 14 Sep 2022 04:51:15 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6 via Frontend Transport; Wed, 14 Sep 2022 04:51:15 -0500 Received: from uda0492258.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 28E9osD3046564; Wed, 14 Sep 2022 04:51:10 -0500 From: Siddharth Vadapalli To: , , , , , , , , , , , CC: , , , , , Subject: [PATCH 3/8] net: ethernet: ti: am65-cpsw: Add mac control function Date: Wed, 14 Sep 2022 15:20:48 +0530 Message-ID: <20220914095053.189851-4-s-vadapalli@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220914095053.189851-1-s-vadapalli@ti.com> References: <20220914095053.189851-1-s-vadapalli@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add function am65_cpsw_nuss_mac_control() corresponding to the mac control register writes that are performed in the am65_cpsw_nuss_mac_link_up() function and use it in the am65_cpsw_nuss_mac_link_up() function. The newly added function will be used in am65_cpsw_nuss_mac_config() function in a future patch, thereby making it necessary to define a new function for the redundant mac control operations. Signed-off-by: Siddharth Vadapalli --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 45 ++++++++++++++---------- 1 file changed, 26 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 4e06def3b0de..c7e6ad374e1a 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -1448,6 +1448,31 @@ static int am65_cpsw_init_phy(struct device *dev, struct device_node *port_np) return ret; } +static void am65_cpsw_nuss_mac_control(struct am65_cpsw_port *port, phy_interface_t interface, + int speed, int duplex, bool tx_pause, bool rx_pause) +{ + u32 mac_control = CPSW_SL_CTL_GMII_EN; + + if (speed == SPEED_1000) + mac_control |= CPSW_SL_CTL_GIG; + if (speed == SPEED_10 && interface == PHY_INTERFACE_MODE_RGMII) + /* Can be used with in band mode only */ + mac_control |= CPSW_SL_CTL_EXT_EN; + if (speed == SPEED_100 && interface == PHY_INTERFACE_MODE_RMII) + mac_control |= CPSW_SL_CTL_IFCTL_A; + if (duplex) + mac_control |= CPSW_SL_CTL_FULLDUPLEX; + + /* rx_pause/tx_pause */ + if (rx_pause) + mac_control |= CPSW_SL_CTL_RX_FLOW_EN; + + if (tx_pause) + mac_control |= CPSW_SL_CTL_TX_FLOW_EN; + + cpsw_sl_ctl_set(port->slave.mac_sl, mac_control); +} + static void am65_cpsw_nuss_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { @@ -1497,27 +1522,9 @@ static void am65_cpsw_nuss_mac_link_up(struct phylink_config *config, struct phy phylink_config); struct am65_cpsw_port *port = container_of(slave, struct am65_cpsw_port, slave); struct am65_cpsw_common *common = port->common; - u32 mac_control = CPSW_SL_CTL_GMII_EN; struct net_device *ndev = port->ndev; - if (speed == SPEED_1000) - mac_control |= CPSW_SL_CTL_GIG; - if (speed == SPEED_10 && interface == PHY_INTERFACE_MODE_RGMII) - /* Can be used with in band mode only */ - mac_control |= CPSW_SL_CTL_EXT_EN; - if (speed == SPEED_100 && interface == PHY_INTERFACE_MODE_RMII) - mac_control |= CPSW_SL_CTL_IFCTL_A; - if (duplex) - mac_control |= CPSW_SL_CTL_FULLDUPLEX; - - /* rx_pause/tx_pause */ - if (rx_pause) - mac_control |= CPSW_SL_CTL_RX_FLOW_EN; - - if (tx_pause) - mac_control |= CPSW_SL_CTL_TX_FLOW_EN; - - cpsw_sl_ctl_set(port->slave.mac_sl, mac_control); + am65_cpsw_nuss_mac_control(port, interface, speed, duplex, tx_pause, rx_pause); /* enable phy */ am65_cpsw_enable_phy(port->slave.ifphy);