/** * dwmac-rk.c - Rockchip RK3288 DWMAC specific glue layer * * Copyright (C) 2014 Chen-Zhi (Roger Chen) * * Chen-Zhi (Roger Chen) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "stmmac_platform.h" #include "dwmac-rk-tool.h" #define MAX_ETH 2 struct rk_priv_data; struct rk_gmac_ops { void (*set_to_rgmii)(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay); void (*set_to_rmii)(struct rk_priv_data *bsp_priv); void (*set_to_sgmii)(struct rk_priv_data *bsp_priv); void (*set_to_qsgmii)(struct rk_priv_data *bsp_priv); void (*set_rgmii_speed)(struct rk_priv_data *bsp_priv, int speed); void (*set_rmii_speed)(struct rk_priv_data *bsp_priv, int speed); void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv); }; struct rk_priv_data { struct platform_device *pdev; int phy_iface; int bus_id; struct regulator *regulator; bool suspended; const struct rk_gmac_ops *ops; bool clk_enabled; bool clock_input; bool integrated_phy; struct clk *clk_mac; struct clk *gmac_clkin; struct clk *mac_clk_rx; struct clk *mac_clk_tx; struct clk *clk_mac_ref; struct clk *clk_mac_refout; struct clk *clk_mac_speed; struct clk *aclk_mac; struct clk *pclk_mac; struct clk *clk_phy; struct clk *pclk_xpcs; struct reset_control *phy_reset; int tx_delay; int rx_delay; struct regmap *grf; struct regmap *xpcs; }; /* XPCS */ #define XPCS_APB_INCREMENT (0x4) #define XPCS_APB_MASK GENMASK_ULL(20, 0) #define SR_MII_BASE (0x1F0000) #define SR_MII1_BASE (0x1A0000) #define VR_MII_DIG_CTRL1 (0x8000) #define VR_MII_AN_CTRL (0x8001) #define VR_MII_AN_INTR_STS (0x8002) #define VR_MII_LINK_TIMER_CTRL (0x800A) #define SR_MII_CTRL_AN_ENABLE \ (BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000) #define MII_MAC_AUTO_SW (0x0200) #define PCS_MODE_OFFSET (0x1) #define MII_AN_INTR_EN (0x1) #define PCS_SGMII_MODE (0x2 << PCS_MODE_OFFSET) #define PCS_QSGMII_MODE (0X3 << PCS_MODE_OFFSET) #define VR_MII_CTRL_SGMII_AN_EN (PCS_SGMII_MODE | MII_AN_INTR_EN) #define VR_MII_CTRL_QSGMII_AN_EN (PCS_QSGMII_MODE | MII_AN_INTR_EN) #define SR_MII_OFFSET(_x) ({ \ typeof(_x) (x) = (_x); \ (((x) == 0) ? SR_MII_BASE : (SR_MII1_BASE + ((x) - 1) * 0x10000)); \ }) \ static int xpcs_read(void *priv, int reg) { struct rk_priv_data *bsp_priv = (struct rk_priv_data *)priv; int ret, val; ret = regmap_read(bsp_priv->xpcs, (u32)(reg * XPCS_APB_INCREMENT) & XPCS_APB_MASK, &val); if (ret) return ret; return val; } static int xpcs_write(void *priv, int reg, u16 value) { struct rk_priv_data *bsp_priv = (struct rk_priv_data *)priv; return regmap_write(bsp_priv->xpcs, (reg * XPCS_APB_INCREMENT) & XPCS_APB_MASK, value); } static int xpcs_poll_reset(struct rk_priv_data *bsp_priv, int dev) { /* Poll until the reset bit clears (50ms per retry == 0.6 sec) */ unsigned int retries = 12; int ret; do { msleep(50); ret = xpcs_read(bsp_priv, SR_MII_OFFSET(dev) + MDIO_CTRL1); if (ret < 0) return ret; } while (ret & MDIO_CTRL1_RESET && --retries); return (ret & MDIO_CTRL1_RESET) ? -ETIMEDOUT : 0; } static int xpcs_soft_reset(struct rk_priv_data *bsp_priv, int dev) { int ret; ret = xpcs_write(bsp_priv, SR_MII_OFFSET(dev) + MDIO_CTRL1, MDIO_CTRL1_RESET); if (ret < 0) return ret; return xpcs_poll_reset(bsp_priv, dev); } static int xpcs_setup(struct rk_priv_data *bsp_priv, int mode) { int ret, i, id = bsp_priv->bus_id; u32 val; if (mode == PHY_INTERFACE_MODE_QSGMII && id > 0) return 0; ret = xpcs_soft_reset(bsp_priv, id); if (ret) { dev_err(&bsp_priv->pdev->dev, "xpcs_soft_reset fail %d\n", ret); return ret; } xpcs_write(bsp_priv, SR_MII_OFFSET(0) + VR_MII_AN_INTR_STS, 0x0); xpcs_write(bsp_priv, SR_MII_OFFSET(0) + VR_MII_LINK_TIMER_CTRL, 0x1); if (mode == PHY_INTERFACE_MODE_SGMII) xpcs_write(bsp_priv, SR_MII_OFFSET(0) + VR_MII_AN_CTRL, VR_MII_CTRL_SGMII_AN_EN); else xpcs_write(bsp_priv, SR_MII_OFFSET(0) + VR_MII_AN_CTRL, VR_MII_CTRL_QSGMII_AN_EN); if (mode == PHY_INTERFACE_MODE_QSGMII) { for (i = 0; i < 4; i++) { val = xpcs_read(bsp_priv, SR_MII_OFFSET(i) + VR_MII_DIG_CTRL1); xpcs_write(bsp_priv, SR_MII_OFFSET(i) + VR_MII_DIG_CTRL1, val | MII_MAC_AUTO_SW); xpcs_write(bsp_priv, SR_MII_OFFSET(i) + MII_BMCR, SR_MII_CTRL_AN_ENABLE); } } else { val = xpcs_read(bsp_priv, SR_MII_OFFSET(id) + VR_MII_DIG_CTRL1); xpcs_write(bsp_priv, SR_MII_OFFSET(id) + VR_MII_DIG_CTRL1, val | MII_MAC_AUTO_SW); xpcs_write(bsp_priv, SR_MII_OFFSET(id) + MII_BMCR, SR_MII_CTRL_AN_ENABLE); } return ret; } #define HIWORD_UPDATE(val, mask, shift) \ ((val) << (shift) | (mask) << ((shift) + 16)) #define GRF_BIT(nr) (BIT(nr) | BIT(nr+16)) #define GRF_CLR_BIT(nr) (BIT(nr+16)) #define DELAY_ENABLE(soc, tx, rx) \ (((tx) ? soc##_GMAC_TXCLK_DLY_ENABLE : soc##_GMAC_TXCLK_DLY_DISABLE) | \ ((rx) ? soc##_GMAC_RXCLK_DLY_ENABLE : soc##_GMAC_RXCLK_DLY_DISABLE)) #define PX30_GRF_GMAC_CON1 0x0904 /* PX30_GRF_GMAC_CON1 */ #define PX30_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \ GRF_BIT(6)) #define PX30_GMAC_SPEED_10M GRF_CLR_BIT(2) #define PX30_GMAC_SPEED_100M GRF_BIT(2) static void px30_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, PX30_GMAC_PHY_INTF_SEL_RMII); } static void px30_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; int ret; if (IS_ERR(bsp_priv->clk_mac_speed)) { dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, PX30_GMAC_SPEED_10M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n", __func__, ret); } else if (speed == 100) { regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, PX30_GMAC_SPEED_100M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n", __func__, ret); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops px30_ops = { .set_to_rmii = px30_set_to_rmii, .set_rmii_speed = px30_set_rmii_speed, }; #define RK1808_GRF_GMAC_CON0 0X0900 #define RK1808_GRF_GMAC_CON1 0X0904 /* RK1808_GRF_GMAC_CON0 */ #define RK1808_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RK1808_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) /* RK1808_GRF_GMAC_CON1 */ #define RK1808_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) #define RK1808_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) #define RK1808_GMAC_FLOW_CTRL GRF_BIT(3) #define RK1808_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) #define RK1808_GMAC_SPEED_10M GRF_CLR_BIT(2) #define RK1808_GMAC_SPEED_100M GRF_BIT(2) #define RK1808_GMAC_RXCLK_DLY_ENABLE GRF_BIT(1) #define RK1808_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(1) #define RK1808_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0) #define RK1808_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) static void rk1808_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK1808_GRF_GMAC_CON1, RK1808_GMAC_PHY_INTF_SEL_RGMII | RK1808_GMAC_RXCLK_DLY_ENABLE | RK1808_GMAC_TXCLK_DLY_ENABLE); regmap_write(bsp_priv->grf, RK1808_GRF_GMAC_CON0, RK1808_GMAC_CLK_RX_DL_CFG(rx_delay) | RK1808_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk1808_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK1808_GRF_GMAC_CON1, RK1808_GMAC_PHY_INTF_SEL_RMII); } static void rk1808_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; int ret; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) { ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n", __func__, ret); } else if (speed == 100) { ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n", __func__, ret); } else if (speed == 1000) { ret = clk_set_rate(bsp_priv->clk_mac_speed, 125000000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 125000000 failed: %d\n", __func__, ret); } else { dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } } static void rk1808_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; int ret; if (IS_ERR(bsp_priv->clk_mac_speed)) { dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK1808_GRF_GMAC_CON1, RK1808_GMAC_SPEED_10M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n", __func__, ret); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK1808_GRF_GMAC_CON1, RK1808_GMAC_SPEED_100M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n", __func__, ret); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk1808_ops = { .set_to_rgmii = rk1808_set_to_rgmii, .set_to_rmii = rk1808_set_to_rmii, .set_rgmii_speed = rk1808_set_rgmii_speed, .set_rmii_speed = rk1808_set_rmii_speed, }; #define RK3128_GRF_MAC_CON0 0x0168 #define RK3128_GRF_MAC_CON1 0x016c /* RK3128_GRF_MAC_CON0 */ #define RK3128_GMAC_TXCLK_DLY_ENABLE GRF_BIT(14) #define RK3128_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(14) #define RK3128_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15) #define RK3128_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15) #define RK3128_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 7) #define RK3128_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) /* RK3128_GRF_MAC_CON1 */ #define RK3128_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(6) | GRF_CLR_BIT(7) | GRF_CLR_BIT(8)) #define RK3128_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(6) | GRF_CLR_BIT(7) | GRF_BIT(8)) #define RK3128_GMAC_FLOW_CTRL GRF_BIT(9) #define RK3128_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(9) #define RK3128_GMAC_SPEED_10M GRF_CLR_BIT(10) #define RK3128_GMAC_SPEED_100M GRF_BIT(10) #define RK3128_GMAC_RMII_CLK_25M GRF_BIT(11) #define RK3128_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(11) #define RK3128_GMAC_CLK_125M (GRF_CLR_BIT(12) | GRF_CLR_BIT(13)) #define RK3128_GMAC_CLK_25M (GRF_BIT(12) | GRF_BIT(13)) #define RK3128_GMAC_CLK_2_5M (GRF_CLR_BIT(12) | GRF_BIT(13)) #define RK3128_GMAC_RMII_MODE GRF_BIT(14) #define RK3128_GMAC_RMII_MODE_CLR GRF_CLR_BIT(14) static void rk3128_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_PHY_INTF_SEL_RGMII | RK3128_GMAC_RMII_MODE_CLR); regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON0, DELAY_ENABLE(RK3128, tx_delay, rx_delay) | RK3128_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3128_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3128_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_PHY_INTF_SEL_RMII | RK3128_GMAC_RMII_MODE); } static void rk3128_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3128_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_RMII_CLK_2_5M | RK3128_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1, RK3128_GMAC_RMII_CLK_25M | RK3128_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3128_ops = { .set_to_rgmii = rk3128_set_to_rgmii, .set_to_rmii = rk3128_set_to_rmii, .set_rgmii_speed = rk3128_set_rgmii_speed, .set_rmii_speed = rk3128_set_rmii_speed, }; #define RK3228_GRF_MAC_CON0 0x0900 #define RK3228_GRF_MAC_CON1 0x0904 #define RK3228_GRF_CON_MUX 0x50 /* RK3228_GRF_MAC_CON0 */ #define RK3228_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 7) #define RK3228_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) /* RK3228_GRF_MAC_CON1 */ #define RK3228_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) #define RK3228_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) #define RK3228_GMAC_FLOW_CTRL GRF_BIT(3) #define RK3228_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) #define RK3228_GMAC_SPEED_10M GRF_CLR_BIT(2) #define RK3228_GMAC_SPEED_100M GRF_BIT(2) #define RK3228_GMAC_RMII_CLK_25M GRF_BIT(7) #define RK3228_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7) #define RK3228_GMAC_CLK_125M (GRF_CLR_BIT(8) | GRF_CLR_BIT(9)) #define RK3228_GMAC_CLK_25M (GRF_BIT(8) | GRF_BIT(9)) #define RK3228_GMAC_CLK_2_5M (GRF_CLR_BIT(8) | GRF_BIT(9)) #define RK3228_GMAC_RMII_MODE GRF_BIT(10) #define RK3228_GMAC_RMII_MODE_CLR GRF_CLR_BIT(10) #define RK3228_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0) #define RK3228_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) #define RK3228_GMAC_RXCLK_DLY_ENABLE GRF_BIT(1) #define RK3228_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(1) /* RK3228_GRF_COM_MUX */ #define RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY GRF_BIT(15) static void rk3228_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_PHY_INTF_SEL_RGMII | RK3228_GMAC_RMII_MODE_CLR | DELAY_ENABLE(RK3228, tx_delay, rx_delay)); regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON0, RK3228_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3228_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3228_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_PHY_INTF_SEL_RMII | RK3228_GMAC_RMII_MODE); /* set MAC to RMII mode */ regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, GRF_BIT(11)); } static void rk3228_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3228_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_RMII_CLK_2_5M | RK3228_GMAC_SPEED_10M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, RK3228_GMAC_RMII_CLK_25M | RK3228_GMAC_SPEED_100M); else dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv) { regmap_write(priv->grf, RK3228_GRF_CON_MUX, RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY); } static const struct rk_gmac_ops rk3228_ops = { .set_to_rgmii = rk3228_set_to_rgmii, .set_to_rmii = rk3228_set_to_rmii, .set_rgmii_speed = rk3228_set_rgmii_speed, .set_rmii_speed = rk3228_set_rmii_speed, .integrated_phy_powerup = rk3228_integrated_phy_powerup, }; #define RK3288_GRF_SOC_CON1 0x0248 #define RK3288_GRF_SOC_CON3 0x0250 /*RK3288_GRF_SOC_CON1*/ #define RK3288_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(6) | GRF_CLR_BIT(7) | \ GRF_CLR_BIT(8)) #define RK3288_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(6) | GRF_CLR_BIT(7) | \ GRF_BIT(8)) #define RK3288_GMAC_FLOW_CTRL GRF_BIT(9) #define RK3288_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(9) #define RK3288_GMAC_SPEED_10M GRF_CLR_BIT(10) #define RK3288_GMAC_SPEED_100M GRF_BIT(10) #define RK3288_GMAC_RMII_CLK_25M GRF_BIT(11) #define RK3288_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(11) #define RK3288_GMAC_CLK_125M (GRF_CLR_BIT(12) | GRF_CLR_BIT(13)) #define RK3288_GMAC_CLK_25M (GRF_BIT(12) | GRF_BIT(13)) #define RK3288_GMAC_CLK_2_5M (GRF_CLR_BIT(12) | GRF_BIT(13)) #define RK3288_GMAC_RMII_MODE GRF_BIT(14) #define RK3288_GMAC_RMII_MODE_CLR GRF_CLR_BIT(14) /*RK3288_GRF_SOC_CON3*/ #define RK3288_GMAC_TXCLK_DLY_ENABLE GRF_BIT(14) #define RK3288_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(14) #define RK3288_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15) #define RK3288_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15) #define RK3288_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 7) #define RK3288_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) static void rk3288_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_PHY_INTF_SEL_RGMII | RK3288_GMAC_RMII_MODE_CLR); regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON3, DELAY_ENABLE(RK3288, tx_delay, rx_delay) | RK3288_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3288_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3288_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_PHY_INTF_SEL_RMII | RK3288_GMAC_RMII_MODE); } static void rk3288_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3288_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_RMII_CLK_2_5M | RK3288_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1, RK3288_GMAC_RMII_CLK_25M | RK3288_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3288_ops = { .set_to_rgmii = rk3288_set_to_rgmii, .set_to_rmii = rk3288_set_to_rmii, .set_rgmii_speed = rk3288_set_rgmii_speed, .set_rmii_speed = rk3288_set_rmii_speed, }; #define RK3308_GRF_MAC_CON0 0x04a0 /* Rk3308_GRF_MAC_CON1 */ #define RK3308_MAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(2) | GRF_CLR_BIT(3) | \ GRF_BIT(4)) #define RK3308_MAC_SPEED_10M GRF_CLR_BIT(0) #define Rk3308_MAC_SPEED_100M GRF_BIT(0) static void rk3308_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0, RK3308_MAC_PHY_INTF_SEL_RMII); } static void rk3308_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; int ret; if (IS_ERR(bsp_priv->clk_mac_speed)) { dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0, RK3308_MAC_SPEED_10M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n", __func__, ret); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0, Rk3308_MAC_SPEED_100M); ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000); if (ret) dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n", __func__, ret); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3308_ops = { .set_to_rmii = rk3308_set_to_rmii, .set_rmii_speed = rk3308_set_rmii_speed, }; #define RK3328_GRF_MAC_CON0 0x0900 #define RK3328_GRF_MAC_CON1 0x0904 #define RK3328_GRF_MAC_CON2 0x0908 #define RK3328_GRF_MACPHY_CON1 0xb04 /* RK3328_GRF_MAC_CON0 */ #define RK3328_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 7) #define RK3328_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) /* RK3328_GRF_MAC_CON1 */ #define RK3328_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) #define RK3328_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) #define RK3328_GMAC_FLOW_CTRL GRF_BIT(3) #define RK3328_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) #define RK3328_GMAC_SPEED_10M GRF_CLR_BIT(2) #define RK3328_GMAC_SPEED_100M GRF_BIT(2) #define RK3328_GMAC_RMII_CLK_25M GRF_BIT(7) #define RK3328_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7) #define RK3328_GMAC_CLK_125M (GRF_CLR_BIT(11) | GRF_CLR_BIT(12)) #define RK3328_GMAC_CLK_25M (GRF_BIT(11) | GRF_BIT(12)) #define RK3328_GMAC_CLK_2_5M (GRF_CLR_BIT(11) | GRF_BIT(12)) #define RK3328_GMAC_RMII_MODE GRF_BIT(9) #define RK3328_GMAC_RMII_MODE_CLR GRF_CLR_BIT(9) #define RK3328_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0) #define RK3328_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) #define RK3328_GMAC_RXCLK_DLY_ENABLE GRF_BIT(1) #define RK3328_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(0) /* RK3328_GRF_MACPHY_CON1 */ #define RK3328_MACPHY_RMII_MODE GRF_BIT(9) static void rk3328_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1, RK3328_GMAC_PHY_INTF_SEL_RGMII | RK3328_GMAC_RMII_MODE_CLR | RK3328_GMAC_RXCLK_DLY_ENABLE | RK3328_GMAC_TXCLK_DLY_ENABLE); regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON0, RK3328_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3328_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; unsigned int reg; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 : RK3328_GRF_MAC_CON1; regmap_write(bsp_priv->grf, reg, RK3328_GMAC_PHY_INTF_SEL_RMII | RK3328_GMAC_RMII_MODE); } static void rk3328_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1, RK3328_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1, RK3328_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1, RK3328_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3328_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; unsigned int reg; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 : RK3328_GRF_MAC_CON1; if (speed == 10) regmap_write(bsp_priv->grf, reg, RK3328_GMAC_RMII_CLK_2_5M | RK3328_GMAC_SPEED_10M); else if (speed == 100) regmap_write(bsp_priv->grf, reg, RK3328_GMAC_RMII_CLK_25M | RK3328_GMAC_SPEED_100M); else dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } static void rk3328_integrated_phy_powerup(struct rk_priv_data *priv) { regmap_write(priv->grf, RK3328_GRF_MACPHY_CON1, RK3328_MACPHY_RMII_MODE); } static const struct rk_gmac_ops rk3328_ops = { .set_to_rgmii = rk3328_set_to_rgmii, .set_to_rmii = rk3328_set_to_rmii, .set_rgmii_speed = rk3328_set_rgmii_speed, .set_rmii_speed = rk3328_set_rmii_speed, .integrated_phy_powerup = rk3328_integrated_phy_powerup, }; #define RK3366_GRF_SOC_CON6 0x0418 #define RK3366_GRF_SOC_CON7 0x041c /* RK3366_GRF_SOC_CON6 */ #define RK3366_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \ GRF_CLR_BIT(11)) #define RK3366_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \ GRF_BIT(11)) #define RK3366_GMAC_FLOW_CTRL GRF_BIT(8) #define RK3366_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8) #define RK3366_GMAC_SPEED_10M GRF_CLR_BIT(7) #define RK3366_GMAC_SPEED_100M GRF_BIT(7) #define RK3366_GMAC_RMII_CLK_25M GRF_BIT(3) #define RK3366_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3) #define RK3366_GMAC_CLK_125M (GRF_CLR_BIT(4) | GRF_CLR_BIT(5)) #define RK3366_GMAC_CLK_25M (GRF_BIT(4) | GRF_BIT(5)) #define RK3366_GMAC_CLK_2_5M (GRF_CLR_BIT(4) | GRF_BIT(5)) #define RK3366_GMAC_RMII_MODE GRF_BIT(6) #define RK3366_GMAC_RMII_MODE_CLR GRF_CLR_BIT(6) /* RK3366_GRF_SOC_CON7 */ #define RK3366_GMAC_TXCLK_DLY_ENABLE GRF_BIT(7) #define RK3366_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(7) #define RK3366_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15) #define RK3366_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15) #define RK3366_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RK3366_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) static void rk3366_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_PHY_INTF_SEL_RGMII | RK3366_GMAC_RMII_MODE_CLR); regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON7, DELAY_ENABLE(RK3366, tx_delay, rx_delay) | RK3366_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3366_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3366_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_PHY_INTF_SEL_RMII | RK3366_GMAC_RMII_MODE); } static void rk3366_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3366_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_RMII_CLK_2_5M | RK3366_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6, RK3366_GMAC_RMII_CLK_25M | RK3366_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3366_ops = { .set_to_rgmii = rk3366_set_to_rgmii, .set_to_rmii = rk3366_set_to_rmii, .set_rgmii_speed = rk3366_set_rgmii_speed, .set_rmii_speed = rk3366_set_rmii_speed, }; #define RK3368_GRF_SOC_CON15 0x043c #define RK3368_GRF_SOC_CON16 0x0440 /* RK3368_GRF_SOC_CON15 */ #define RK3368_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \ GRF_CLR_BIT(11)) #define RK3368_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \ GRF_BIT(11)) #define RK3368_GMAC_FLOW_CTRL GRF_BIT(8) #define RK3368_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8) #define RK3368_GMAC_SPEED_10M GRF_CLR_BIT(7) #define RK3368_GMAC_SPEED_100M GRF_BIT(7) #define RK3368_GMAC_RMII_CLK_25M GRF_BIT(3) #define RK3368_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3) #define RK3368_GMAC_CLK_125M (GRF_CLR_BIT(4) | GRF_CLR_BIT(5)) #define RK3368_GMAC_CLK_25M (GRF_BIT(4) | GRF_BIT(5)) #define RK3368_GMAC_CLK_2_5M (GRF_CLR_BIT(4) | GRF_BIT(5)) #define RK3368_GMAC_RMII_MODE GRF_BIT(6) #define RK3368_GMAC_RMII_MODE_CLR GRF_CLR_BIT(6) /* RK3368_GRF_SOC_CON16 */ #define RK3368_GMAC_TXCLK_DLY_ENABLE GRF_BIT(7) #define RK3368_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(7) #define RK3368_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15) #define RK3368_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15) #define RK3368_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RK3368_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) static void rk3368_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_PHY_INTF_SEL_RGMII | RK3368_GMAC_RMII_MODE_CLR); regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON16, DELAY_ENABLE(RK3368, tx_delay, rx_delay) | RK3368_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3368_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3368_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_PHY_INTF_SEL_RMII | RK3368_GMAC_RMII_MODE); } static void rk3368_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3368_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_RMII_CLK_2_5M | RK3368_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15, RK3368_GMAC_RMII_CLK_25M | RK3368_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3368_ops = { .set_to_rgmii = rk3368_set_to_rgmii, .set_to_rmii = rk3368_set_to_rmii, .set_rgmii_speed = rk3368_set_rgmii_speed, .set_rmii_speed = rk3368_set_rmii_speed, }; #define RK3399_GRF_SOC_CON5 0xc214 #define RK3399_GRF_SOC_CON6 0xc218 /* RK3399_GRF_SOC_CON5 */ #define RK3399_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \ GRF_CLR_BIT(11)) #define RK3399_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \ GRF_BIT(11)) #define RK3399_GMAC_FLOW_CTRL GRF_BIT(8) #define RK3399_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8) #define RK3399_GMAC_SPEED_10M GRF_CLR_BIT(7) #define RK3399_GMAC_SPEED_100M GRF_BIT(7) #define RK3399_GMAC_RMII_CLK_25M GRF_BIT(3) #define RK3399_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3) #define RK3399_GMAC_CLK_125M (GRF_CLR_BIT(4) | GRF_CLR_BIT(5)) #define RK3399_GMAC_CLK_25M (GRF_BIT(4) | GRF_BIT(5)) #define RK3399_GMAC_CLK_2_5M (GRF_CLR_BIT(4) | GRF_BIT(5)) #define RK3399_GMAC_RMII_MODE GRF_BIT(6) #define RK3399_GMAC_RMII_MODE_CLR GRF_CLR_BIT(6) /* RK3399_GRF_SOC_CON6 */ #define RK3399_GMAC_TXCLK_DLY_ENABLE GRF_BIT(7) #define RK3399_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(7) #define RK3399_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15) #define RK3399_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15) #define RK3399_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RK3399_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) static void rk3399_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_PHY_INTF_SEL_RGMII | RK3399_GMAC_RMII_MODE_CLR); regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON6, DELAY_ENABLE(RK3399, tx_delay, rx_delay) | RK3399_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3399_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3399_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_PHY_INTF_SEL_RMII | RK3399_GMAC_RMII_MODE); } static void rk3399_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_CLK_2_5M); else if (speed == 100) regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_CLK_25M); else if (speed == 1000) regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_CLK_125M); else dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); } static void rk3399_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_RMII_CLK_2_5M | RK3399_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5, RK3399_GMAC_RMII_CLK_25M | RK3399_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rk3399_ops = { .set_to_rgmii = rk3399_set_to_rgmii, .set_to_rmii = rk3399_set_to_rmii, .set_rgmii_speed = rk3399_set_rgmii_speed, .set_rmii_speed = rk3399_set_rmii_speed, }; #define RK3568_GRF_GMAC0_CON0 0X0380 #define RK3568_GRF_GMAC0_CON1 0X0384 #define RK3568_GRF_GMAC1_CON0 0X0388 #define RK3568_GRF_GMAC1_CON1 0X038c /* RK3568_GRF_GMAC0_CON1 && RK3568_GRF_GMAC1_CON1 */ #define RK3568_GMAC_GMII_MODE GRF_BIT(7) #define RK3568_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) #define RK3568_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) #define RK3568_GMAC_FLOW_CTRL GRF_BIT(3) #define RK3568_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) #define RK3568_GMAC_RXCLK_DLY_ENABLE GRF_BIT(1) #define RK3568_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(1) #define RK3568_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0) #define RK3568_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) /* RK3568_GRF_GMAC0_CON0 && RK3568_GRF_GMAC1_CON0 */ #define RK3568_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RK3568_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) #define RK3568_PIPE_GRF_XPCS_CON0 0X0040 #define RK3568_PIPE_GRF_XPCS_QGMII_MAC_SEL GRF_BIT(0) #define RK3568_PIPE_GRF_XPCS_SGMII_MAC_SEL GRF_BIT(1) #define RK3568_PIPE_GRF_XPCS_PHY_READY GRF_BIT(2) static void rk3568_set_to_sgmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; u32 offset_con1; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grfs property\n", __func__); return; } offset_con1 = bsp_priv->bus_id == 1 ? RK3568_GRF_GMAC1_CON1 : RK3568_GRF_GMAC0_CON1; regmap_write(bsp_priv->grf, offset_con1, RK3568_GMAC_GMII_MODE); xpcs_setup(bsp_priv, PHY_INTERFACE_MODE_SGMII); } static void rk3568_set_to_qsgmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; u32 offset_con1; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grfs property\n", __func__); return; } offset_con1 = bsp_priv->bus_id == 1 ? RK3568_GRF_GMAC1_CON1 : RK3568_GRF_GMAC0_CON1; regmap_write(bsp_priv->grf, offset_con1, RK3568_GMAC_GMII_MODE); xpcs_setup(bsp_priv, PHY_INTERFACE_MODE_QSGMII); } static void rk3568_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; u32 offset_con0, offset_con1; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } offset_con0 = (bsp_priv->bus_id == 1) ? RK3568_GRF_GMAC1_CON0 : RK3568_GRF_GMAC0_CON0; offset_con1 = (bsp_priv->bus_id == 1) ? RK3568_GRF_GMAC1_CON1 : RK3568_GRF_GMAC0_CON1; regmap_write(bsp_priv->grf, offset_con1, RK3568_GMAC_PHY_INTF_SEL_RGMII | RK3568_GMAC_RXCLK_DLY_ENABLE | RK3568_GMAC_TXCLK_DLY_ENABLE); regmap_write(bsp_priv->grf, offset_con0, RK3568_GMAC_CLK_RX_DL_CFG(rx_delay) | RK3568_GMAC_CLK_TX_DL_CFG(tx_delay)); } static void rk3568_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; u32 offset_con1; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } offset_con1 = (bsp_priv->bus_id == 1) ? RK3568_GRF_GMAC1_CON1 : RK3568_GRF_GMAC0_CON1; regmap_write(bsp_priv->grf, offset_con1, RK3568_GMAC_PHY_INTF_SEL_RMII); } static void rk3568_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; unsigned long rate; int ret; switch (speed) { case 10: rate = 2500000; break; case 100: rate = 25000000; break; case 1000: rate = 125000000; break; default: dev_err(dev, "unknown speed value for GMAC speed=%d", speed); return; } ret = clk_set_rate(bsp_priv->clk_mac_speed, rate); if (ret) dev_err(dev, "%s: set clk_mac_speed rate %ld failed %d\n", __func__, rate, ret); } static const struct rk_gmac_ops rk3568_ops = { .set_to_rgmii = rk3568_set_to_rgmii, .set_to_rmii = rk3568_set_to_rmii, .set_to_sgmii = rk3568_set_to_sgmii, .set_to_qsgmii = rk3568_set_to_qsgmii, .set_rgmii_speed = rk3568_set_gmac_speed, .set_rmii_speed = rk3568_set_gmac_speed, }; #define RV1108_GRF_GMAC_CON0 0X0900 /* RV1108_GRF_GMAC_CON0 */ #define RV1108_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \ GRF_BIT(6)) #define RV1108_GMAC_FLOW_CTRL GRF_BIT(3) #define RV1108_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3) #define RV1108_GMAC_SPEED_10M GRF_CLR_BIT(2) #define RV1108_GMAC_SPEED_100M GRF_BIT(2) #define RV1108_GMAC_RMII_CLK_25M GRF_BIT(7) #define RV1108_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7) static void rv1108_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0, RV1108_GMAC_PHY_INTF_SEL_RMII); } static void rv1108_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } if (speed == 10) { regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0, RV1108_GMAC_RMII_CLK_2_5M | RV1108_GMAC_SPEED_10M); } else if (speed == 100) { regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0, RV1108_GMAC_RMII_CLK_25M | RV1108_GMAC_SPEED_100M); } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); } } static const struct rk_gmac_ops rv1108_ops = { .set_to_rmii = rv1108_set_to_rmii, .set_rmii_speed = rv1108_set_rmii_speed, }; #define RV1126_GRF_GMAC_CON0 0X0070 #define RV1126_GRF_GMAC_CON1 0X0074 #define RV1126_GRF_GMAC_CON2 0X0078 /* RV1126_GRF_GMAC_CON0 */ #define RV1126_GMAC_PHY_INTF_SEL_RGMII \ (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6)) #define RV1126_GMAC_PHY_INTF_SEL_RMII \ (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6)) #define RV1126_GMAC_FLOW_CTRL GRF_BIT(7) #define RV1126_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(7) #define RV1126_GMAC_M0_RXCLK_DLY_ENABLE GRF_BIT(1) #define RV1126_GMAC_M0_RXCLK_DLY_DISABLE GRF_CLR_BIT(1) #define RV1126_GMAC_M0_TXCLK_DLY_ENABLE GRF_BIT(0) #define RV1126_GMAC_M0_TXCLK_DLY_DISABLE GRF_CLR_BIT(0) #define RV1126_GMAC_M1_RXCLK_DLY_ENABLE GRF_BIT(3) #define RV1126_GMAC_M1_RXCLK_DLY_DISABLE GRF_CLR_BIT(3) #define RV1126_GMAC_M1_TXCLK_DLY_ENABLE GRF_BIT(2) #define RV1126_GMAC_M1_TXCLK_DLY_DISABLE GRF_CLR_BIT(2) /* RV1126_GRF_GMAC_CON1 */ #define RV1126_GMAC_M0_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RV1126_GMAC_M0_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) /* RV1126_GRF_GMAC_CON2 */ #define RV1126_GMAC_M1_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8) #define RV1126_GMAC_M1_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0) static void rv1126_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return; } regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON0, RV1126_GMAC_PHY_INTF_SEL_RGMII | RV1126_GMAC_M0_RXCLK_DLY_ENABLE | RV1126_GMAC_M0_TXCLK_DLY_ENABLE | RV1126_GMAC_M1_RXCLK_DLY_ENABLE | RV1126_GMAC_M1_TXCLK_DLY_ENABLE); regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON1, RV1126_GMAC_M0_CLK_RX_DL_CFG(rx_delay) | RV1126_GMAC_M0_CLK_TX_DL_CFG(tx_delay)); regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON2, RV1126_GMAC_M1_CLK_RX_DL_CFG(rx_delay) | RV1126_GMAC_M1_CLK_TX_DL_CFG(tx_delay)); } static void rv1126_set_to_rmii(struct rk_priv_data *bsp_priv) { struct device *dev = &bsp_priv->pdev->dev; if (IS_ERR(bsp_priv->grf)) { dev_err(dev, "%s: Missing rockchip,grf property\n", __func__); return; } regmap_write(bsp_priv->grf, RV1126_GRF_GMAC_CON0, RV1126_GMAC_PHY_INTF_SEL_RMII); } static void rv1126_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; unsigned long rate; int ret; switch (speed) { case 10: rate = 2500000; break; case 100: rate = 25000000; break; case 1000: rate = 125000000; break; default: dev_err(dev, "unknown speed value for RGMII speed=%d", speed); return; } ret = clk_set_rate(bsp_priv->clk_mac_speed, rate); if (ret) dev_err(dev, "%s: set clk_mac_speed rate %ld failed %d\n", __func__, rate, ret); } static void rv1126_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) { struct device *dev = &bsp_priv->pdev->dev; unsigned long rate; int ret; switch (speed) { case 10: rate = 2500000; break; case 100: rate = 25000000; break; default: dev_err(dev, "unknown speed value for RGMII speed=%d", speed); return; } ret = clk_set_rate(bsp_priv->clk_mac_speed, rate); if (ret) dev_err(dev, "%s: set clk_mac_speed rate %ld failed %d\n", __func__, rate, ret); } static const struct rk_gmac_ops rv1126_ops = { .set_to_rgmii = rv1126_set_to_rgmii, .set_to_rmii = rv1126_set_to_rmii, .set_rgmii_speed = rv1126_set_rgmii_speed, .set_rmii_speed = rv1126_set_rmii_speed, }; #define RK_GRF_MACPHY_CON0 0xb00 #define RK_GRF_MACPHY_CON1 0xb04 #define RK_GRF_MACPHY_CON2 0xb08 #define RK_GRF_MACPHY_CON3 0xb0c #define RK_MACPHY_ENABLE GRF_BIT(0) #define RK_MACPHY_DISABLE GRF_CLR_BIT(0) #define RK_MACPHY_CFG_CLK_50M GRF_BIT(14) #define RK_GMAC2PHY_RMII_MODE (GRF_BIT(6) | GRF_CLR_BIT(7)) #define RK_GRF_CON2_MACPHY_ID HIWORD_UPDATE(0x1234, 0xffff, 0) #define RK_GRF_CON3_MACPHY_ID HIWORD_UPDATE(0x35, 0x3f, 0) static void rk_gmac_integrated_phy_powerup(struct rk_priv_data *priv) { if (priv->ops->integrated_phy_powerup) priv->ops->integrated_phy_powerup(priv); regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_CFG_CLK_50M); regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_GMAC2PHY_RMII_MODE); regmap_write(priv->grf, RK_GRF_MACPHY_CON2, RK_GRF_CON2_MACPHY_ID); regmap_write(priv->grf, RK_GRF_MACPHY_CON3, RK_GRF_CON3_MACPHY_ID); if (priv->phy_reset) { /* PHY needs to be disabled before trying to reset it */ regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_DISABLE); if (priv->phy_reset) reset_control_assert(priv->phy_reset); usleep_range(10, 20); if (priv->phy_reset) reset_control_deassert(priv->phy_reset); usleep_range(10, 20); regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_ENABLE); msleep(30); } } static void rk_gmac_integrated_phy_powerdown(struct rk_priv_data *priv) { regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_DISABLE); if (priv->phy_reset) reset_control_assert(priv->phy_reset); } static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat) { struct rk_priv_data *bsp_priv = plat->bsp_priv; struct device *dev = &bsp_priv->pdev->dev; int ret; bsp_priv->clk_enabled = false; bsp_priv->mac_clk_rx = devm_clk_get(dev, "mac_clk_rx"); if (IS_ERR(bsp_priv->mac_clk_rx)) dev_err(dev, "cannot get clock %s\n", "mac_clk_rx"); bsp_priv->mac_clk_tx = devm_clk_get(dev, "mac_clk_tx"); if (IS_ERR(bsp_priv->mac_clk_tx)) dev_err(dev, "cannot get clock %s\n", "mac_clk_tx"); bsp_priv->aclk_mac = devm_clk_get(dev, "aclk_mac"); if (IS_ERR(bsp_priv->aclk_mac)) dev_err(dev, "cannot get clock %s\n", "aclk_mac"); bsp_priv->pclk_mac = devm_clk_get(dev, "pclk_mac"); if (IS_ERR(bsp_priv->pclk_mac)) dev_err(dev, "cannot get clock %s\n", "pclk_mac"); bsp_priv->clk_mac = devm_clk_get(dev, "stmmaceth"); if (IS_ERR(bsp_priv->clk_mac)) dev_err(dev, "cannot get clock %s\n", "stmmaceth"); if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) { bsp_priv->clk_mac_ref = devm_clk_get(dev, "clk_mac_ref"); if (IS_ERR(bsp_priv->clk_mac_ref)) dev_err(dev, "cannot get clock %s\n", "clk_mac_ref"); if (!bsp_priv->clock_input) { bsp_priv->clk_mac_refout = devm_clk_get(dev, "clk_mac_refout"); if (IS_ERR(bsp_priv->clk_mac_refout)) dev_err(dev, "cannot get clock %s\n", "clk_mac_refout"); } } else if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_SGMII || bsp_priv->phy_iface == PHY_INTERFACE_MODE_QSGMII) { bsp_priv->pclk_xpcs = devm_clk_get(dev, "pclk_xpcs"); if (IS_ERR(bsp_priv->pclk_xpcs)) dev_err(dev, "cannot get clock %s\n", "pclk_xpcs"); } bsp_priv->clk_mac_speed = devm_clk_get(dev, "clk_mac_speed"); if (IS_ERR(bsp_priv->clk_mac_speed)) dev_err(dev, "cannot get clock %s\n", "clk_mac_speed"); if (bsp_priv->clock_input) { dev_info(dev, "clock input from PHY\n"); } else { if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) clk_set_rate(bsp_priv->clk_mac, 50000000); } if (plat->phy_node) { bsp_priv->clk_phy = of_clk_get(plat->phy_node, 0); /* If it is not integrated_phy, clk_phy is optional */ if (bsp_priv->integrated_phy) { if (IS_ERR(bsp_priv->clk_phy)) { ret = PTR_ERR(bsp_priv->clk_phy); dev_err(dev, "Cannot get PHY clock: %d\n", ret); return -EINVAL; } clk_set_rate(bsp_priv->clk_phy, 50000000); } } return 0; } static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable) { int phy_iface = bsp_priv->phy_iface; if (enable) { if (!bsp_priv->clk_enabled) { if (phy_iface == PHY_INTERFACE_MODE_RMII) { if (!IS_ERR(bsp_priv->mac_clk_rx)) clk_prepare_enable( bsp_priv->mac_clk_rx); if (!IS_ERR(bsp_priv->clk_mac_ref)) clk_prepare_enable( bsp_priv->clk_mac_ref); if (!IS_ERR(bsp_priv->clk_mac_refout)) clk_prepare_enable( bsp_priv->clk_mac_refout); } if (!IS_ERR(bsp_priv->clk_phy)) clk_prepare_enable(bsp_priv->clk_phy); if (!IS_ERR(bsp_priv->aclk_mac)) clk_prepare_enable(bsp_priv->aclk_mac); if (!IS_ERR(bsp_priv->pclk_mac)) clk_prepare_enable(bsp_priv->pclk_mac); if (!IS_ERR(bsp_priv->mac_clk_tx)) clk_prepare_enable(bsp_priv->mac_clk_tx); if (!IS_ERR(bsp_priv->clk_mac_speed)) clk_prepare_enable(bsp_priv->clk_mac_speed); if (!IS_ERR(bsp_priv->pclk_xpcs)) clk_prepare_enable(bsp_priv->pclk_xpcs); /** * if (!IS_ERR(bsp_priv->clk_mac)) * clk_prepare_enable(bsp_priv->clk_mac); */ mdelay(5); bsp_priv->clk_enabled = true; } } else { if (bsp_priv->clk_enabled) { if (phy_iface == PHY_INTERFACE_MODE_RMII) { clk_disable_unprepare(bsp_priv->mac_clk_rx); clk_disable_unprepare(bsp_priv->clk_mac_ref); clk_disable_unprepare(bsp_priv->clk_mac_refout); } clk_disable_unprepare(bsp_priv->clk_phy); clk_disable_unprepare(bsp_priv->aclk_mac); clk_disable_unprepare(bsp_priv->pclk_mac); clk_disable_unprepare(bsp_priv->mac_clk_tx); clk_disable_unprepare(bsp_priv->clk_mac_speed); clk_disable_unprepare(bsp_priv->pclk_xpcs); /** * if (!IS_ERR(bsp_priv->clk_mac)) * clk_disable_unprepare(bsp_priv->clk_mac); */ bsp_priv->clk_enabled = false; } } return 0; } static int rk_gmac_phy_power_on(struct rk_priv_data *bsp_priv, bool enable) { struct regulator *ldo = bsp_priv->regulator; int ret; struct device *dev = &bsp_priv->pdev->dev; if (!ldo) return 0; if (enable) { ret = regulator_enable(ldo); if (ret) dev_err(dev, "fail to enable phy-supply\n"); } else { ret = regulator_disable(ldo); if (ret) dev_err(dev, "fail to disable phy-supply\n"); } return 0; } static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, struct plat_stmmacenet_data *plat, const struct rk_gmac_ops *ops) { struct rk_priv_data *bsp_priv; struct device *dev = &pdev->dev; int ret; const char *strings = NULL; int value; bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL); if (!bsp_priv) return ERR_PTR(-ENOMEM); bsp_priv->phy_iface = of_get_phy_mode(dev->of_node); bsp_priv->ops = ops; bsp_priv->bus_id = plat->bus_id; bsp_priv->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(bsp_priv->regulator)) { if (PTR_ERR(bsp_priv->regulator) == -EPROBE_DEFER) { dev_err(dev, "phy regulator is not available yet, deferred probing\n"); return ERR_PTR(-EPROBE_DEFER); } dev_err(dev, "no regulator found\n"); bsp_priv->regulator = NULL; } ret = of_property_read_string(dev->of_node, "clock_in_out", &strings); if (ret) { dev_err(dev, "Can not read property: clock_in_out.\n"); bsp_priv->clock_input = true; } else { dev_info(dev, "clock input or output? (%s).\n", strings); if (!strcmp(strings, "input")) bsp_priv->clock_input = true; else bsp_priv->clock_input = false; } ret = of_property_read_u32(dev->of_node, "tx_delay", &value); if (ret) { bsp_priv->tx_delay = 0x30; dev_err(dev, "Can not read property: tx_delay."); dev_err(dev, "set tx_delay to 0x%x\n", bsp_priv->tx_delay); } else { dev_info(dev, "TX delay(0x%x).\n", value); bsp_priv->tx_delay = value; } ret = of_property_read_u32(dev->of_node, "rx_delay", &value); if (ret) { bsp_priv->rx_delay = 0x10; dev_err(dev, "Can not read property: rx_delay."); dev_err(dev, "set rx_delay to 0x%x\n", bsp_priv->rx_delay); } else { dev_info(dev, "RX delay(0x%x).\n", value); bsp_priv->rx_delay = value; } bsp_priv->grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); bsp_priv->xpcs = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,xpcs"); if (!IS_ERR(bsp_priv->xpcs)) { struct phy *comphy; comphy = devm_of_phy_get(&pdev->dev, dev->of_node, NULL); if (IS_ERR(comphy)) dev_err(dev, "devm_of_phy_get error\n"); ret = phy_init(comphy); if (ret) dev_err(dev, "phy_init error\n"); } if (plat->phy_node) { bsp_priv->integrated_phy = of_property_read_bool(plat->phy_node, "phy-is-integrated"); if (bsp_priv->integrated_phy) { bsp_priv->phy_reset = of_reset_control_get(plat->phy_node, NULL); if (IS_ERR(bsp_priv->phy_reset)) { dev_err(&pdev->dev, "No PHY reset control found.\n"); bsp_priv->phy_reset = NULL; } } } dev_info(dev, "integrated PHY? (%s).\n", bsp_priv->integrated_phy ? "yes" : "no"); bsp_priv->pdev = pdev; return bsp_priv; } static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) { int ret; struct device *dev = &bsp_priv->pdev->dev; ret = gmac_clk_enable(bsp_priv, true); if (ret) return ret; /*rmii or rgmii*/ switch (bsp_priv->phy_iface) { case PHY_INTERFACE_MODE_RGMII: dev_info(dev, "init for RGMII\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_rgmii) bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay, bsp_priv->rx_delay); break; case PHY_INTERFACE_MODE_RGMII_ID: dev_info(dev, "init for RGMII_ID\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_rgmii) bsp_priv->ops->set_to_rgmii(bsp_priv, 0, 0); break; case PHY_INTERFACE_MODE_RGMII_RXID: dev_info(dev, "init for RGMII_RXID\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_rgmii) bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay, 0); break; case PHY_INTERFACE_MODE_RGMII_TXID: dev_info(dev, "init for RGMII_TXID\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_rgmii) bsp_priv->ops->set_to_rgmii(bsp_priv, 0, bsp_priv->rx_delay); break; case PHY_INTERFACE_MODE_RMII: dev_info(dev, "init for RMII\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_rmii) bsp_priv->ops->set_to_rmii(bsp_priv); break; case PHY_INTERFACE_MODE_SGMII: dev_info(dev, "init for SGMII\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_sgmii) bsp_priv->ops->set_to_sgmii(bsp_priv); break; case PHY_INTERFACE_MODE_QSGMII: dev_info(dev, "init for QSGMII\n"); if (bsp_priv->ops && bsp_priv->ops->set_to_qsgmii) bsp_priv->ops->set_to_qsgmii(bsp_priv); break; default: dev_err(dev, "NO interface defined!\n"); } ret = rk_gmac_phy_power_on(bsp_priv, true); if (ret) { gmac_clk_enable(bsp_priv, false); return ret; } pm_runtime_enable(dev); pm_runtime_get_sync(dev); if (bsp_priv->integrated_phy) rk_gmac_integrated_phy_powerup(bsp_priv); return 0; } static void rk_gmac_powerdown(struct rk_priv_data *gmac) { struct device *dev = &gmac->pdev->dev; if (gmac->integrated_phy) rk_gmac_integrated_phy_powerdown(gmac); pm_runtime_put_sync(dev); pm_runtime_disable(dev); rk_gmac_phy_power_on(gmac, false); gmac_clk_enable(gmac, false); } static void rk_fix_speed(void *priv, unsigned int speed) { struct rk_priv_data *bsp_priv = priv; struct device *dev = &bsp_priv->pdev->dev; switch (bsp_priv->phy_iface) { case PHY_INTERFACE_MODE_RGMII: case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: if (bsp_priv->ops && bsp_priv->ops->set_rgmii_speed) bsp_priv->ops->set_rgmii_speed(bsp_priv, speed); break; case PHY_INTERFACE_MODE_RMII: if (bsp_priv->ops && bsp_priv->ops->set_rmii_speed) bsp_priv->ops->set_rmii_speed(bsp_priv, speed); break; case PHY_INTERFACE_MODE_SGMII: case PHY_INTERFACE_MODE_QSGMII: break; default: dev_err(dev, "unsupported interface %d", bsp_priv->phy_iface); } } void dwmac_rk_set_rgmii_delayline(struct stmmac_priv *priv, int tx_delay, int rx_delay) { struct rk_priv_data *bsp_priv = priv->plat->bsp_priv; if (bsp_priv->ops->set_to_rgmii) { bsp_priv->ops->set_to_rgmii(bsp_priv, tx_delay, rx_delay); bsp_priv->tx_delay = tx_delay; bsp_priv->rx_delay = rx_delay; } } EXPORT_SYMBOL(dwmac_rk_set_rgmii_delayline); void dwmac_rk_get_rgmii_delayline(struct stmmac_priv *priv, int *tx_delay, int *rx_delay) { struct rk_priv_data *bsp_priv = priv->plat->bsp_priv; if (!bsp_priv->ops->set_to_rgmii) return; *tx_delay = bsp_priv->tx_delay; *rx_delay = bsp_priv->rx_delay; } EXPORT_SYMBOL(dwmac_rk_get_rgmii_delayline); int dwmac_rk_get_phy_interface(struct stmmac_priv *priv) { struct rk_priv_data *bsp_priv = priv->plat->bsp_priv; return bsp_priv->phy_iface; } EXPORT_SYMBOL(dwmac_rk_get_phy_interface); void __weak rk_devinfo_get_eth_mac(u8 *mac) { } static unsigned char macaddr[6]; extern ssize_t at24_mac_read(unsigned char* addr); void rk_get_eth_addr(void *priv, unsigned char *addr) { struct rk_priv_data *bsp_priv = priv; struct device *dev = &bsp_priv->pdev->dev; int i; //unsigned char ethaddr[ETH_ALEN * MAX_ETH] = {0}; //int ret, id = bsp_priv->bus_id; //ben printk("nk-debug:enter rk_get_eth_addr.. \n"); #if 0 rk_devinfo_get_eth_mac(addr); if (is_valid_ether_addr(addr)) goto out; if (id < 0 || id >= MAX_ETH) { dev_err(dev, "%s: Invalid ethernet bus id %d\n", __func__, id); return; } ret = rk_vendor_read(LAN_MAC_ID, ethaddr, ETH_ALEN * MAX_ETH); if (ret <= 0 || !is_valid_ether_addr(ðaddr[id * ETH_ALEN])) { dev_err(dev, "%s: rk_vendor_read eth mac address failed (%d)\n", __func__, ret); random_ether_addr(ðaddr[id * ETH_ALEN]); memcpy(addr, ðaddr[id * ETH_ALEN], ETH_ALEN); dev_err(dev, "%s: generate random eth mac address: %pM\n", __func__, addr); ret = rk_vendor_write(LAN_MAC_ID, ethaddr, ETH_ALEN * MAX_ETH); if (ret != 0) dev_err(dev, "%s: rk_vendor_write eth mac address failed (%d)\n", __func__, ret); ret = rk_vendor_read(LAN_MAC_ID, ethaddr, ETH_ALEN * MAX_ETH); if (ret != ETH_ALEN * MAX_ETH) dev_err(dev, "%s: id: %d rk_vendor_read eth mac address failed (%d)\n", __func__, id, ret); } else { memcpy(addr, ðaddr[id * ETH_ALEN], ETH_ALEN); } #endif #if 0 macaddr[0] = 0xee; macaddr[1] = 0x31; macaddr[2] = 0x32; macaddr[3] = 0x33; macaddr[4] = 0x34; macaddr[5] = 0x35; memcpy(addr, macaddr, 6); #endif #if 1 if (at24_mac_read(macaddr) > 0) { printk("ben %s: at24_mac_read Success!! \n", __func__); memcpy(addr, macaddr, 6); printk("Read the Ethernet MAC address from :"); for (i = 0; i < 5; i++) printk("%2.2x:", addr[i]); printk("%2.2x\n", addr[i]); } else { printk("ben %s: at24_mac_read Failed!! \n", __func__); goto out; } #endif out: dev_err(dev, "%s: mac address: %pM\n", __func__, addr); } static int rk_gmac_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat_dat; struct stmmac_resources stmmac_res; const struct rk_gmac_ops *data; int ret; printk("nk-debug:enter rk_gmac_probe 1.. \n"); data = of_device_get_match_data(&pdev->dev); if (!data) { dev_err(&pdev->dev, "no of match data provided\n"); return -EINVAL; } ret = stmmac_get_platform_resources(pdev, &stmmac_res); if (ret) return ret; plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); if (!of_device_is_compatible(pdev->dev.of_node, "snps,dwmac-4.20a")) plat_dat->has_gmac = true; plat_dat->fix_mac_speed = rk_fix_speed; plat_dat->get_eth_addr = rk_get_eth_addr; plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data); if (IS_ERR(plat_dat->bsp_priv)) { ret = PTR_ERR(plat_dat->bsp_priv); goto err_remove_config_dt; } printk("nk-debug:enter rk_gmac_probe 2.. \n"); ret = rk_gmac_clk_init(plat_dat); if (ret) goto err_remove_config_dt; ret = rk_gmac_powerup(plat_dat->bsp_priv); if (ret) goto err_remove_config_dt; ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) goto err_gmac_powerdown; ret = dwmac_rk_create_loopback_sysfs(&pdev->dev); if (ret) goto err_gmac_powerdown; return 0; err_gmac_powerdown: rk_gmac_powerdown(plat_dat->bsp_priv); err_remove_config_dt: stmmac_remove_config_dt(pdev, plat_dat); return ret; } static int rk_gmac_remove(struct platform_device *pdev) { struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(&pdev->dev); int ret = stmmac_dvr_remove(&pdev->dev); rk_gmac_powerdown(bsp_priv); dwmac_rk_remove_loopback_sysfs(&pdev->dev); return ret; } #ifdef CONFIG_PM_SLEEP static int rk_gmac_suspend(struct device *dev) { struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(dev); int ret = stmmac_suspend(dev); /* Keep the PHY up if we use Wake-on-Lan. */ if (!device_may_wakeup(dev)) { rk_gmac_powerdown(bsp_priv); bsp_priv->suspended = true; } return ret; } static int rk_gmac_resume(struct device *dev) { struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(dev); /* The PHY was up for Wake-on-Lan. */ if (bsp_priv->suspended) { rk_gmac_powerup(bsp_priv); bsp_priv->suspended = false; } return stmmac_resume(dev); } #endif /* CONFIG_PM_SLEEP */ static SIMPLE_DEV_PM_OPS(rk_gmac_pm_ops, rk_gmac_suspend, rk_gmac_resume); static const struct of_device_id rk_gmac_dwmac_match[] = { { .compatible = "rockchip,px30-gmac", .data = &px30_ops }, { .compatible = "rockchip,rk1808-gmac", .data = &rk1808_ops }, { .compatible = "rockchip,rk3128-gmac", .data = &rk3128_ops }, { .compatible = "rockchip,rk3228-gmac", .data = &rk3228_ops }, { .compatible = "rockchip,rk3288-gmac", .data = &rk3288_ops }, { .compatible = "rockchip,rk3308-mac", .data = &rk3308_ops }, { .compatible = "rockchip,rk3328-gmac", .data = &rk3328_ops }, { .compatible = "rockchip,rk3366-gmac", .data = &rk3366_ops }, { .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops }, { .compatible = "rockchip,rk3399-gmac", .data = &rk3399_ops }, { .compatible = "rockchip,rk3568-gmac", .data = &rk3568_ops }, { .compatible = "rockchip,rv1108-gmac", .data = &rv1108_ops }, { .compatible = "rockchip,rv1126-gmac", .data = &rv1126_ops }, { } }; MODULE_DEVICE_TABLE(of, rk_gmac_dwmac_match); static struct platform_driver rk_gmac_dwmac_driver = { .probe = rk_gmac_probe, .remove = rk_gmac_remove, .driver = { .name = "rk_gmac-dwmac", .pm = &rk_gmac_pm_ops, .of_match_table = rk_gmac_dwmac_match, }, }; //module_platform_driver(rk_gmac_dwmac_driver); module_platform_driver1(rk_gmac_dwmac_driver); MODULE_AUTHOR("Chen-Zhi (Roger Chen) "); MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer"); MODULE_LICENSE("GPL");