From patchwork Sat Jan 13 06:05:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Wu X-Patchwork-Id: 860298 X-Patchwork-Delegate: philipp.tomsich@theobroma-systems.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3zJThD2QbZz9t5Q for ; Sat, 13 Jan 2018 17:08:44 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id D3912C21F25; Sat, 13 Jan 2018 06:07:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.6 required=5.0 tests=RCVD_IN_MSPIKE_H2, RCVD_IN_SORBS_WEB autolearn=no autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 1A068C21F3E; Sat, 13 Jan 2018 06:06:20 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 9EA80C21C2F; Sat, 13 Jan 2018 06:05:47 +0000 (UTC) Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.140]) by lists.denx.de (Postfix) with ESMTPS id 380C0C21F4F for ; Sat, 13 Jan 2018 06:05:37 +0000 (UTC) Received: from david.wu?rock-chips.com (unknown [192.168.167.153]) by regular1.263xmail.com (Postfix) with ESMTP id E07334A74; Sat, 13 Jan 2018 14:05:32 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 94973381; Sat, 13 Jan 2018 14:05:32 +0800 (CST) X-RL-SENDER: david.wu@rock-chips.com X-FST-TO: philipp.tomsich@theobroma-systems.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: david.wu@rock-chips.com X-UNIQUE-TAG: <899552082356b87461099e2b2fa2293d> X-ATTACHMENT-NUM: 0 X-SENDER: wdc@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 200511Q6L4M; Sat, 13 Jan 2018 14:05:33 +0800 (CST) From: David Wu To: philipp.tomsich@theobroma-systems.com, sjg@chromium.org Date: Sat, 13 Jan 2018 14:05:30 +0800 Message-Id: <1515823530-52915-1-git-send-email-david.wu@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1515822853-52036-1-git-send-email-david.wu@rock-chips.com> References: <1515822853-52036-1-git-send-email-david.wu@rock-chips.com> Cc: huangtao@rock-chips.com, joe.hershberger@ni.com, u-boot@lists.denx.de, David Wu , andy.yan@rock-chips.com Subject: [U-Boot] [PATCH v3 16/20] net: gmac_rockchip: Add support for the RK3228 GMAC X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" The GMAC in the RK3228 once again is identical to the incarnation in the RK3288 and the RK3399, except for where some of the configuration and control registers are located in the GRF. This adds the RK3368-specific logic necessary to reuse this driver. Signed-off-by: David Wu Acked-by: Philipp Tomsich Reviewed-by: Philipp Tomsich --- Changes in v3: - None Changes in v2: - New patch drivers/net/gmac_rockchip.c | 85 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c index 551c230..683e820 100644 --- a/drivers/net/gmac_rockchip.c +++ b/drivers/net/gmac_rockchip.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -69,6 +70,39 @@ static int gmac_rockchip_ofdata_to_platdata(struct udevice *dev) return designware_eth_ofdata_to_platdata(dev); } +static int rk3228_gmac_fix_mac_speed(struct dw_eth_dev *priv) +{ + struct rk322x_grf *grf; + int clk; + enum { + RK3228_GMAC_CLK_SEL_SHIFT = 8, + RK3228_GMAC_CLK_SEL_MASK = GENMASK(9, 8), + RK3228_GMAC_CLK_SEL_125M = 0 << 8, + RK3228_GMAC_CLK_SEL_25M = 3 << 8, + RK3228_GMAC_CLK_SEL_2_5M = 2 << 8, + }; + + switch (priv->phydev->speed) { + case 10: + clk = RK3228_GMAC_CLK_SEL_2_5M; + break; + case 100: + clk = RK3228_GMAC_CLK_SEL_25M; + break; + case 1000: + clk = RK3228_GMAC_CLK_SEL_125M; + break; + default: + debug("Unknown phy speed: %d\n", priv->phydev->speed); + return -EINVAL; + } + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + rk_clrsetreg(&grf->mac_con[1], RK3228_GMAC_CLK_SEL_MASK, clk); + + return 0; +} + static int rk3288_gmac_fix_mac_speed(struct dw_eth_dev *priv) { struct rk3288_grf *grf; @@ -221,6 +255,50 @@ static int rv1108_set_rmii_speed(struct dw_eth_dev *priv) return 0; } +static void rk3228_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) +{ + struct rk322x_grf *grf; + enum { + RK3228_RMII_MODE_SHIFT = 10, + RK3228_RMII_MODE_MASK = BIT(10), + + RK3228_GMAC_PHY_INTF_SEL_SHIFT = 4, + RK3228_GMAC_PHY_INTF_SEL_MASK = GENMASK(6, 4), + RK3228_GMAC_PHY_INTF_SEL_RGMII = BIT(4), + + RK3228_RXCLK_DLY_ENA_GMAC_MASK = BIT(1), + RK3228_RXCLK_DLY_ENA_GMAC_DISABLE = 0, + RK3228_RXCLK_DLY_ENA_GMAC_ENABLE = BIT(1), + + RK3228_TXCLK_DLY_ENA_GMAC_MASK = BIT(0), + RK3228_TXCLK_DLY_ENA_GMAC_DISABLE = 0, + RK3228_TXCLK_DLY_ENA_GMAC_ENABLE = BIT(0), + }; + enum { + RK3228_CLK_RX_DL_CFG_GMAC_SHIFT = 0x7, + RK3228_CLK_RX_DL_CFG_GMAC_MASK = GENMASK(13, 7), + + RK3228_CLK_TX_DL_CFG_GMAC_SHIFT = 0x0, + RK3228_CLK_TX_DL_CFG_GMAC_MASK = GENMASK(6, 0), + }; + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + rk_clrsetreg(&grf->mac_con[1], + RK3228_RMII_MODE_MASK | + RK3228_GMAC_PHY_INTF_SEL_MASK | + RK3228_RXCLK_DLY_ENA_GMAC_MASK | + RK3228_TXCLK_DLY_ENA_GMAC_MASK, + RK3228_GMAC_PHY_INTF_SEL_RGMII | + RK3228_RXCLK_DLY_ENA_GMAC_ENABLE | + RK3228_TXCLK_DLY_ENA_GMAC_ENABLE); + + rk_clrsetreg(&grf->mac_con[0], + RK3228_CLK_RX_DL_CFG_GMAC_MASK | + RK3228_CLK_TX_DL_CFG_GMAC_MASK, + pdata->rx_delay << RK3228_CLK_RX_DL_CFG_GMAC_SHIFT | + pdata->tx_delay << RK3228_CLK_TX_DL_CFG_GMAC_SHIFT); +} + static void rk3288_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) { struct rk3288_grf *grf; @@ -448,6 +526,11 @@ const struct eth_ops gmac_rockchip_eth_ops = { .write_hwaddr = designware_eth_write_hwaddr, }; +const struct rk_gmac_ops rk3228_gmac_ops = { + .fix_mac_speed = rk3228_gmac_fix_mac_speed, + .set_to_rgmii = rk3228_gmac_set_to_rgmii, +}; + const struct rk_gmac_ops rk3288_gmac_ops = { .fix_mac_speed = rk3288_gmac_fix_mac_speed, .set_to_rgmii = rk3288_gmac_set_to_rgmii, @@ -474,6 +557,8 @@ const struct rk_gmac_ops rv1108_gmac_ops = { }; static const struct udevice_id rockchip_gmac_ids[] = { + { .compatible = "rockchip,rk3228-gmac", + .data = (ulong)&rk3228_gmac_ops }, { .compatible = "rockchip,rk3288-gmac", .data = (ulong)&rk3288_gmac_ops }, { .compatible = "rockchip,rk3328-gmac",