diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 712 |
1 files changed, 265 insertions, 447 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 700858ff6f7c..79b92130a03f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -24,12 +24,21 @@ #include "stmmac_platform.h" struct rk_priv_data; + +struct rk_reg_speed_data { + unsigned int rgmii_10; + unsigned int rgmii_100; + unsigned int rgmii_1000; + unsigned int rmii_10; + unsigned int rmii_100; +}; + 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_rgmii_speed)(struct rk_priv_data *bsp_priv, int speed); - void (*set_rmii_speed)(struct rk_priv_data *bsp_priv, int speed); + int (*set_speed)(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed); void (*set_clock_selection)(struct rk_priv_data *bsp_priv, bool input, bool enable); void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv); @@ -58,7 +67,7 @@ enum rk_clocks_index { }; struct rk_priv_data { - struct platform_device *pdev; + struct device *dev; phy_interface_t phy_iface; int id; struct regulator *regulator; @@ -71,7 +80,6 @@ struct rk_priv_data { struct clk_bulk_data *clks; int num_clks; - struct clk *clk_mac; struct clk *clk_phy; struct reset_control *phy_reset; @@ -83,6 +91,64 @@ struct rk_priv_data { struct regmap *php_grf; }; +static int rk_set_reg_speed(struct rk_priv_data *bsp_priv, + const struct rk_reg_speed_data *rsd, + unsigned int reg, phy_interface_t interface, + int speed) +{ + unsigned int val; + + if (phy_interface_mode_is_rgmii(interface)) { + if (speed == SPEED_10) { + val = rsd->rgmii_10; + } else if (speed == SPEED_100) { + val = rsd->rgmii_100; + } else if (speed == SPEED_1000) { + val = rsd->rgmii_1000; + } else { + /* Phylink will not allow inappropriate speeds for + * interface modes, so this should never happen. + */ + return -EINVAL; + } + } else if (interface == PHY_INTERFACE_MODE_RMII) { + if (speed == SPEED_10) { + val = rsd->rmii_10; + } else if (speed == SPEED_100) { + val = rsd->rmii_100; + } else { + /* Phylink will not allow inappropriate speeds for + * interface modes, so this should never happen. + */ + return -EINVAL; + } + } else { + /* This should never happen, as .get_interfaces() limits + * the interface modes that are supported to RGMII and/or + * RMII. + */ + return -EINVAL; + } + + regmap_write(bsp_priv->grf, reg, val); + + return 0; + +} + +static int rk_set_clk_mac_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) +{ + struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk; + long rate; + + rate = rgmii_clock(speed); + if (rate < 0) + return rate; + + return clk_set_rate(clk_mac_speed, rate); +} + #define HIWORD_UPDATE(val, mask, shift) \ ((val) << (shift) | (mask) << ((shift) + 16)) @@ -177,42 +243,38 @@ static void px30_set_to_rmii(struct rk_priv_data *bsp_priv) PX30_GMAC_PHY_INTF_SEL_RMII); } -static void px30_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int px30_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk; - struct device *dev = &bsp_priv->pdev->dev; - int ret; + struct device *dev = bsp_priv->dev; + unsigned int con1; + long rate; if (!clk_mac_speed) { dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__); - return; + return -EINVAL; } if (speed == 10) { - regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, - PX30_GMAC_SPEED_10M); - - ret = clk_set_rate(clk_mac_speed, 2500000); - if (ret) - dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n", - __func__, ret); + con1 = PX30_GMAC_SPEED_10M; + rate = 2500000; } else if (speed == 100) { - regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, - PX30_GMAC_SPEED_100M); - - ret = clk_set_rate(clk_mac_speed, 25000000); - if (ret) - dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n", - __func__, ret); - + con1 = PX30_GMAC_SPEED_100M; + rate = 25000000; } else { dev_err(dev, "unknown speed value for RMII! speed=%d", speed); + return -EINVAL; } + + regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, con1); + + return clk_set_rate(clk_mac_speed, rate); } static const struct rk_gmac_ops px30_ops = { .set_to_rmii = px30_set_to_rmii, - .set_rmii_speed = px30_set_rmii_speed, + .set_speed = px30_set_speed, }; #define RK3128_GRF_MAC_CON0 0x0168 @@ -261,45 +323,25 @@ static void rk3128_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3128_reg_speed_data = { + .rgmii_10 = RK3128_GMAC_CLK_2_5M, + .rgmii_100 = RK3128_GMAC_CLK_25M, + .rgmii_1000 = RK3128_GMAC_CLK_125M, + .rmii_10 = RK3128_GMAC_RMII_CLK_2_5M | RK3128_GMAC_SPEED_10M, + .rmii_100 = RK3128_GMAC_RMII_CLK_25M | RK3128_GMAC_SPEED_100M, +}; -static void rk3128_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3128_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); - } + return rk_set_reg_speed(bsp_priv, &rk3128_reg_speed_data, + RK3128_GRF_MAC_CON1, interface, 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, + .set_speed = rk3128_set_speed, }; #define RK3228_GRF_MAC_CON0 0x0900 @@ -358,37 +400,19 @@ static void rk3228_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3228_reg_speed_data = { + .rgmii_10 = RK3228_GMAC_CLK_2_5M, + .rgmii_100 = RK3228_GMAC_CLK_25M, + .rgmii_1000 = RK3228_GMAC_CLK_125M, + .rmii_10 = RK3228_GMAC_RMII_CLK_2_5M | RK3228_GMAC_SPEED_10M, + .rmii_100 = RK3228_GMAC_RMII_CLK_25M | RK3228_GMAC_SPEED_100M, +}; -static void rk3228_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3228_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); + return rk_set_reg_speed(bsp_priv, &rk3228_reg_speed_data, + RK3228_GRF_MAC_CON1, interface, speed); } static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv) @@ -402,8 +426,7 @@ static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv) 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, + .set_speed = rk3228_set_speed, .integrated_phy_powerup = rk3228_integrated_phy_powerup, .integrated_phy_powerdown = rk_gmac_integrated_ephy_powerdown, }; @@ -454,45 +477,25 @@ static void rk3288_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3288_reg_speed_data = { + .rgmii_10 = RK3288_GMAC_CLK_2_5M, + .rgmii_100 = RK3288_GMAC_CLK_25M, + .rgmii_1000 = RK3288_GMAC_CLK_125M, + .rmii_10 = RK3288_GMAC_RMII_CLK_2_5M | RK3288_GMAC_SPEED_10M, + .rmii_100 = RK3288_GMAC_RMII_CLK_25M | RK3288_GMAC_SPEED_100M, +}; -static void rk3288_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3288_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); - } + return rk_set_reg_speed(bsp_priv, &rk3288_reg_speed_data, + RK3288_GRF_SOC_CON1, interface, 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, + .set_speed = rk3288_set_speed, }; #define RK3308_GRF_MAC_CON0 0x04a0 @@ -511,24 +514,21 @@ static void rk3308_set_to_rmii(struct rk_priv_data *bsp_priv) RK3308_GMAC_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; +static const struct rk_reg_speed_data rk3308_reg_speed_data = { + .rmii_10 = RK3308_GMAC_SPEED_10M, + .rmii_100 = RK3308_GMAC_SPEED_100M, +}; - if (speed == 10) { - regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0, - RK3308_GMAC_SPEED_10M); - } else if (speed == 100) { - regmap_write(bsp_priv->grf, RK3308_GRF_MAC_CON0, - RK3308_GMAC_SPEED_100M); - } else { - dev_err(dev, "unknown speed value for RMII! speed=%d", speed); - } +static int rk3308_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) +{ + return rk_set_reg_speed(bsp_priv, &rk3308_reg_speed_data, + RK3308_GRF_MAC_CON0, interface, speed); } static const struct rk_gmac_ops rk3308_ops = { .set_to_rmii = rk3308_set_to_rmii, - .set_rmii_speed = rk3308_set_rmii_speed, + .set_speed = rk3308_set_speed, }; #define RK3328_GRF_MAC_CON0 0x0900 @@ -590,41 +590,26 @@ static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3328_reg_speed_data = { + .rgmii_10 = RK3328_GMAC_CLK_2_5M, + .rgmii_100 = RK3328_GMAC_CLK_25M, + .rgmii_1000 = RK3328_GMAC_CLK_125M, + .rmii_10 = RK3328_GMAC_RMII_CLK_2_5M | RK3328_GMAC_SPEED_10M, + .rmii_100 = RK3328_GMAC_RMII_CLK_25M | RK3328_GMAC_SPEED_100M, +}; -static void rk3328_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3328_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; unsigned int reg; - 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); + if (interface == PHY_INTERFACE_MODE_RMII && bsp_priv->integrated_phy) + reg = RK3328_GRF_MAC_CON2; else - dev_err(dev, "unknown speed value for RMII! speed=%d", speed); + reg = RK3328_GRF_MAC_CON1; + + return rk_set_reg_speed(bsp_priv, &rk3328_reg_speed_data, reg, + interface, speed); } static void rk3328_integrated_phy_powerup(struct rk_priv_data *priv) @@ -638,8 +623,7 @@ static void rk3328_integrated_phy_powerup(struct rk_priv_data *priv) 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, + .set_speed = rk3328_set_speed, .integrated_phy_powerup = rk3328_integrated_phy_powerup, .integrated_phy_powerdown = rk_gmac_integrated_ephy_powerdown, }; @@ -690,45 +674,25 @@ static void rk3366_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3366_reg_speed_data = { + .rgmii_10 = RK3366_GMAC_CLK_2_5M, + .rgmii_100 = RK3366_GMAC_CLK_25M, + .rgmii_1000 = RK3366_GMAC_CLK_125M, + .rmii_10 = RK3366_GMAC_RMII_CLK_2_5M | RK3366_GMAC_SPEED_10M, + .rmii_100 = RK3366_GMAC_RMII_CLK_25M | RK3366_GMAC_SPEED_100M, +}; -static void rk3366_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3366_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); - } + return rk_set_reg_speed(bsp_priv, &rk3366_reg_speed_data, + RK3366_GRF_SOC_CON6, interface, 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, + .set_speed = rk3366_set_speed, }; #define RK3368_GRF_SOC_CON15 0x043c @@ -777,45 +741,25 @@ static void rk3368_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3368_reg_speed_data = { + .rgmii_10 = RK3368_GMAC_CLK_2_5M, + .rgmii_100 = RK3368_GMAC_CLK_25M, + .rgmii_1000 = RK3368_GMAC_CLK_125M, + .rmii_10 = RK3368_GMAC_RMII_CLK_2_5M | RK3368_GMAC_SPEED_10M, + .rmii_100 = RK3368_GMAC_RMII_CLK_25M | RK3368_GMAC_SPEED_100M, +}; -static void rk3368_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3368_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); - } + return rk_set_reg_speed(bsp_priv, &rk3368_reg_speed_data, + RK3368_GRF_SOC_CON15, interface, 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, + .set_speed = rk3368_set_speed, }; #define RK3399_GRF_SOC_CON5 0xc214 @@ -864,45 +808,25 @@ static void rk3399_set_to_rmii(struct rk_priv_data *bsp_priv) 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 (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 const struct rk_reg_speed_data rk3399_reg_speed_data = { + .rgmii_10 = RK3399_GMAC_CLK_2_5M, + .rgmii_100 = RK3399_GMAC_CLK_25M, + .rgmii_1000 = RK3399_GMAC_CLK_125M, + .rmii_10 = RK3399_GMAC_RMII_CLK_2_5M | RK3399_GMAC_SPEED_10M, + .rmii_100 = RK3399_GMAC_RMII_CLK_25M | RK3399_GMAC_SPEED_100M, +}; -static void rk3399_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3399_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - - 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); - } + return rk_set_reg_speed(bsp_priv, &rk3399_reg_speed_data, + RK3399_GRF_SOC_CON5, interface, 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, + .set_speed = rk3399_set_speed, }; #define RK3528_VO_GRF_GMAC_CON 0x0018 @@ -965,43 +889,34 @@ static void rk3528_set_to_rmii(struct rk_priv_data *bsp_priv) RK3528_GMAC0_CLK_RMII_DIV2); } -static void rk3528_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) -{ - struct device *dev = &bsp_priv->pdev->dev; +static const struct rk_reg_speed_data rk3528_gmac0_reg_speed_data = { + .rmii_10 = RK3528_GMAC0_CLK_RMII_DIV20, + .rmii_100 = RK3528_GMAC0_CLK_RMII_DIV2, +}; - if (speed == 10) - regmap_write(bsp_priv->grf, RK3528_VPU_GRF_GMAC_CON5, - RK3528_GMAC1_CLK_RGMII_DIV50); - else if (speed == 100) - regmap_write(bsp_priv->grf, RK3528_VPU_GRF_GMAC_CON5, - RK3528_GMAC1_CLK_RGMII_DIV5); - else if (speed == 1000) - regmap_write(bsp_priv->grf, RK3528_VPU_GRF_GMAC_CON5, - RK3528_GMAC1_CLK_RGMII_DIV1); - else - dev_err(dev, "unknown speed value for RGMII! speed=%d", speed); -} +static const struct rk_reg_speed_data rk3528_gmac1_reg_speed_data = { + .rgmii_10 = RK3528_GMAC1_CLK_RGMII_DIV50, + .rgmii_100 = RK3528_GMAC1_CLK_RGMII_DIV5, + .rgmii_1000 = RK3528_GMAC1_CLK_RGMII_DIV1, + .rmii_10 = RK3528_GMAC1_CLK_RMII_DIV20, + .rmii_100 = RK3528_GMAC1_CLK_RMII_DIV2, +}; -static void rk3528_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3528_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; - unsigned int reg, val; + const struct rk_reg_speed_data *rsd; + unsigned int reg; - if (speed == 10) - val = bsp_priv->id == 1 ? RK3528_GMAC1_CLK_RMII_DIV20 : - RK3528_GMAC0_CLK_RMII_DIV20; - else if (speed == 100) - val = bsp_priv->id == 1 ? RK3528_GMAC1_CLK_RMII_DIV2 : - RK3528_GMAC0_CLK_RMII_DIV2; - else { - dev_err(dev, "unknown speed value for RMII! speed=%d", speed); - return; + if (bsp_priv->id == 1) { + rsd = &rk3528_gmac1_reg_speed_data; + reg = RK3528_VPU_GRF_GMAC_CON5; + } else { + rsd = &rk3528_gmac0_reg_speed_data; + reg = RK3528_VO_GRF_GMAC_CON; } - reg = bsp_priv->id == 1 ? RK3528_VPU_GRF_GMAC_CON5 : - RK3528_VO_GRF_GMAC_CON; - - regmap_write(bsp_priv->grf, reg, val); + return rk_set_reg_speed(bsp_priv, rsd, reg, interface, speed); } static void rk3528_set_clock_selection(struct rk_priv_data *bsp_priv, @@ -1035,8 +950,7 @@ static void rk3528_integrated_phy_powerdown(struct rk_priv_data *bsp_priv) static const struct rk_gmac_ops rk3528_ops = { .set_to_rgmii = rk3528_set_to_rgmii, .set_to_rmii = rk3528_set_to_rmii, - .set_rgmii_speed = rk3528_set_rgmii_speed, - .set_rmii_speed = rk3528_set_rmii_speed, + .set_speed = rk3528_set_speed, .set_clock_selection = rk3528_set_clock_selection, .integrated_phy_powerup = rk3528_integrated_phy_powerup, .integrated_phy_powerdown = rk3528_integrated_phy_powerdown, @@ -1098,30 +1012,10 @@ static void rk3568_set_to_rmii(struct rk_priv_data *bsp_priv) regmap_write(bsp_priv->grf, con1, RK3568_GMAC_PHY_INTF_SEL_RMII); } -static void rk3568_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) -{ - struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk; - struct device *dev = &bsp_priv->pdev->dev; - long rate; - int ret; - - rate = rgmii_clock(speed); - if (rate < 0) { - dev_err(dev, "unknown speed value for GMAC speed=%d", speed); - return; - } - - ret = clk_set_rate(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_rgmii_speed = rk3568_set_gmac_speed, - .set_rmii_speed = rk3568_set_gmac_speed, + .set_speed = rk_set_clk_mac_speed, .regs_valid = true, .regs = { 0xfe2a0000, /* gmac0 */ @@ -1205,42 +1099,24 @@ static void rk3576_set_to_rmii(struct rk_priv_data *bsp_priv) regmap_write(bsp_priv->grf, offset_con, RK3576_GMAC_RMII_MODE); } -static void rk3576_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) -{ - struct device *dev = &bsp_priv->pdev->dev; - unsigned int val = 0, offset_con; +static const struct rk_reg_speed_data rk3578_reg_speed_data = { + .rgmii_10 = RK3576_GMAC_CLK_RGMII_DIV50, + .rgmii_100 = RK3576_GMAC_CLK_RGMII_DIV5, + .rgmii_1000 = RK3576_GMAC_CLK_RGMII_DIV1, + .rmii_10 = RK3576_GMAC_CLK_RMII_DIV20, + .rmii_100 = RK3576_GMAC_CLK_RMII_DIV2, +}; - switch (speed) { - case 10: - if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) - val = RK3576_GMAC_CLK_RMII_DIV20; - else - val = RK3576_GMAC_CLK_RGMII_DIV50; - break; - case 100: - if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) - val = RK3576_GMAC_CLK_RMII_DIV2; - else - val = RK3576_GMAC_CLK_RGMII_DIV5; - break; - case 1000: - if (bsp_priv->phy_iface != PHY_INTERFACE_MODE_RMII) - val = RK3576_GMAC_CLK_RGMII_DIV1; - else - goto err; - break; - default: - goto err; - } +static int rk3576_set_gmac_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) +{ + unsigned int offset_con; offset_con = bsp_priv->id == 1 ? RK3576_GRF_GMAC_CON1 : RK3576_GRF_GMAC_CON0; - regmap_write(bsp_priv->grf, offset_con, val); - - return; -err: - dev_err(dev, "unknown speed value for GMAC speed=%d", speed); + return rk_set_reg_speed(bsp_priv, &rk3578_reg_speed_data, offset_con, + interface, speed); } static void rk3576_set_clock_selection(struct rk_priv_data *bsp_priv, bool input, @@ -1262,8 +1138,7 @@ static void rk3576_set_clock_selection(struct rk_priv_data *bsp_priv, bool input static const struct rk_gmac_ops rk3576_ops = { .set_to_rgmii = rk3576_set_to_rgmii, .set_to_rmii = rk3576_set_to_rmii, - .set_rgmii_speed = rk3576_set_gmac_speed, - .set_rmii_speed = rk3576_set_gmac_speed, + .set_speed = rk3576_set_gmac_speed, .set_clock_selection = rk3576_set_clock_selection, .php_grf_required = true, .regs_valid = true, @@ -1347,26 +1222,26 @@ static void rk3588_set_to_rmii(struct rk_priv_data *bsp_priv) RK3588_GMAC_CLK_RMII_MODE(bsp_priv->id)); } -static void rk3588_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) +static int rk3588_set_gmac_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) { - struct device *dev = &bsp_priv->pdev->dev; unsigned int val = 0, id = bsp_priv->id; switch (speed) { case 10: - if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) + if (interface == PHY_INTERFACE_MODE_RMII) val = RK3588_GMA_CLK_RMII_DIV20(id); else val = RK3588_GMAC_CLK_RGMII_DIV50(id); break; case 100: - if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) + if (interface == PHY_INTERFACE_MODE_RMII) val = RK3588_GMA_CLK_RMII_DIV2(id); else val = RK3588_GMAC_CLK_RGMII_DIV5(id); break; case 1000: - if (bsp_priv->phy_iface != PHY_INTERFACE_MODE_RMII) + if (interface != PHY_INTERFACE_MODE_RMII) val = RK3588_GMAC_CLK_RGMII_DIV1(id); else goto err; @@ -1377,9 +1252,9 @@ static void rk3588_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed) regmap_write(bsp_priv->php_grf, RK3588_GRF_CLK_CON1, val); - return; + return 0; err: - dev_err(dev, "unknown speed value for GMAC speed=%d", speed); + return -EINVAL; } static void rk3588_set_clock_selection(struct rk_priv_data *bsp_priv, bool input, @@ -1397,8 +1272,7 @@ static void rk3588_set_clock_selection(struct rk_priv_data *bsp_priv, bool input static const struct rk_gmac_ops rk3588_ops = { .set_to_rgmii = rk3588_set_to_rgmii, .set_to_rmii = rk3588_set_to_rmii, - .set_rgmii_speed = rk3588_set_gmac_speed, - .set_rmii_speed = rk3588_set_gmac_speed, + .set_speed = rk3588_set_gmac_speed, .set_clock_selection = rk3588_set_clock_selection, .php_grf_required = true, .regs_valid = true, @@ -1427,26 +1301,21 @@ static void rv1108_set_to_rmii(struct rk_priv_data *bsp_priv) 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; +static const struct rk_reg_speed_data rv1108_reg_speed_data = { + .rmii_10 = RV1108_GMAC_RMII_CLK_2_5M | RV1108_GMAC_SPEED_10M, + .rmii_100 = RV1108_GMAC_RMII_CLK_25M | RV1108_GMAC_SPEED_100M, +}; - 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 int rv1108_set_speed(struct rk_priv_data *bsp_priv, + phy_interface_t interface, int speed) +{ + return rk_set_reg_speed(bsp_priv, &rv1108_reg_speed_data, + RV1108_GRF_GMAC_CON0, interface, speed); } static const struct rk_gmac_ops rv1108_ops = { .set_to_rmii = rv1108_set_to_rmii, - .set_rmii_speed = rv1108_set_rmii_speed, + .set_speed = rv1108_set_speed, }; #define RV1126_GRF_GMAC_CON0 0X0070 @@ -1501,62 +1370,17 @@ static void rv1126_set_to_rmii(struct rk_priv_data *bsp_priv) RV1126_GMAC_PHY_INTF_SEL_RMII); } -static void rv1126_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed) -{ - struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk; - struct device *dev = &bsp_priv->pdev->dev; - long rate; - int ret; - - rate = rgmii_clock(speed); - if (rate < 0) { - dev_err(dev, "unknown speed value for RGMII speed=%d", speed); - return; - } - - ret = clk_set_rate(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 clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk; - 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(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, + .set_speed = rk_set_clk_mac_speed, }; 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 phy_iface = bsp_priv->phy_iface; + struct device *dev = bsp_priv->dev; int i, j, ret; bsp_priv->clk_enabled = false; @@ -1583,16 +1407,10 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat) if (ret) return dev_err_probe(dev, ret, "Failed to get clocks\n"); - /* "stmmaceth" will be enabled by the core */ - bsp_priv->clk_mac = devm_clk_get(dev, "stmmaceth"); - ret = PTR_ERR_OR_ZERO(bsp_priv->clk_mac); - if (ret) - return dev_err_probe(dev, ret, "Cannot get stmmaceth clock\n"); - if (bsp_priv->clock_input) { dev_info(dev, "clock input from PHY\n"); } else if (phy_iface == PHY_INTERFACE_MODE_RMII) { - clk_set_rate(bsp_priv->clk_mac, 50000000); + clk_set_rate(plat->stmmac_clk, 50000000); } if (plat->phy_node && bsp_priv->integrated_phy) { @@ -1648,8 +1466,8 @@ static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable) static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable) { struct regulator *ldo = bsp_priv->regulator; + struct device *dev = bsp_priv->dev; int ret; - struct device *dev = &bsp_priv->pdev->dev; if (enable) { ret = regulator_enable(ldo); @@ -1773,7 +1591,7 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, dev_info(dev, "integrated PHY? (%s).\n", bsp_priv->integrated_phy ? "yes" : "no"); - bsp_priv->pdev = pdev; + bsp_priv->dev = dev; return bsp_priv; } @@ -1793,7 +1611,7 @@ static int rk_gmac_check_ops(struct rk_priv_data *bsp_priv) return -EINVAL; break; default: - dev_err(&bsp_priv->pdev->dev, + dev_err(bsp_priv->dev, "unsupported interface %d", bsp_priv->phy_iface); } return 0; @@ -1801,8 +1619,8 @@ static int rk_gmac_check_ops(struct rk_priv_data *bsp_priv) static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) { + struct device *dev = bsp_priv->dev; int ret; - struct device *dev = &bsp_priv->pdev->dev; ret = rk_gmac_check_ops(bsp_priv); if (ret) @@ -1858,35 +1676,34 @@ static void rk_gmac_powerdown(struct rk_priv_data *gmac) if (gmac->integrated_phy && gmac->ops->integrated_phy_powerdown) gmac->ops->integrated_phy_powerdown(gmac); - pm_runtime_put_sync(&gmac->pdev->dev); + pm_runtime_put_sync(gmac->dev); phy_power_on(gmac, false); gmac_clk_enable(gmac, false); } +static void rk_get_interfaces(struct stmmac_priv *priv, void *bsp_priv, + unsigned long *interfaces) +{ + struct rk_priv_data *rk = bsp_priv; + + if (rk->ops->set_to_rgmii) + phy_interface_set_rgmii(interfaces); + + if (rk->ops->set_to_rmii) + __set_bit(PHY_INTERFACE_MODE_RMII, interfaces); +} + static int rk_set_clk_tx_rate(void *bsp_priv_, struct clk *clk_tx_i, phy_interface_t interface, int speed) { struct rk_priv_data *bsp_priv = bsp_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->set_rgmii_speed) - bsp_priv->ops->set_rgmii_speed(bsp_priv, speed); - break; - case PHY_INTERFACE_MODE_RMII: - if (bsp_priv->ops->set_rmii_speed) - bsp_priv->ops->set_rmii_speed(bsp_priv, speed); - break; - default: - dev_err(dev, "unsupported interface %d", bsp_priv->phy_iface); - } + if (bsp_priv->ops->set_speed) + return bsp_priv->ops->set_speed(bsp_priv, bsp_priv->phy_iface, + speed); - return 0; + return -EINVAL; } static int rk_gmac_probe(struct platform_device *pdev) @@ -1919,6 +1736,7 @@ static int rk_gmac_probe(struct platform_device *pdev) plat_dat->tx_fifo_size = 2048; } + plat_dat->get_interfaces = rk_get_interfaces; plat_dat->set_clk_tx_rate = rk_set_clk_tx_rate; plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data); |