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: 12975956 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6EDDAECAAD3 for ; Wed, 14 Sep 2022 09:59:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JLmNPLhuAht+HtVx0xAmyhPi5xE58/H585kscPgP6dg=; b=3ig+SK++hT7sST pfXexBS3vfj1zLHTV/fhVhyjRSekKJURTG4KBMx+G9SrIsyvASuZ81tST5mHYBr5BeXGhZMicAq9u FXqm5JYclVvsierqaKP1FOGRyw4Lorx5OgJtxi62BID3H2v86Evm4oMS9/SNalpKjYnpuUpdvq12d QQgptVAbX7wEd+ZOm1ff71JfGn/PSFZ7AwUvfwSM8ntSSVqAKEaMWo95RNdFySrIszaNUXXCwfJyS YUR3IOuacoQnHD8pMC/ol/l1iGHdT5Z7fyKJd9hM9w0AApN6AyNLS5l1OTI8a2rCDWKZKG3OC04nA n7v7qQdqe5n3Jpmw1tWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oYP9w-00EbRJ-01; Wed, 14 Sep 2022 09:58:21 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oYP3N-00EVFa-0o for linux-arm-kernel@lists.infradead.org; Wed, 14 Sep 2022 09:51:36 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220914_025133_197314_65B55EC4 X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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);