Release 4.16 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c

/**
 * dwmac-rk.c - Rockchip RK3288 DWMAC specific glue layer
 *
 * Copyright (C) 2014 Chen-Zhi (Roger Chen)
 *
 * Chen-Zhi (Roger Chen)  <roger.chen@rock-chips.com>
 *
 * 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 <linux/stmmac.h>
#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/phy.h>
#include <linux/of_net.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/delay.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/pm_runtime.h>

#include "stmmac_platform.h"

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_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;
	
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 *aclk_mac;
	
struct clk *pclk_mac;
	
struct clk *clk_phy;

	
struct reset_control *phy_reset;

	
int tx_delay;
	
int rx_delay;

	
struct regmap *grf;
};


#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 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));
}

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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);
}

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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);
}

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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);
	}
}

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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));
}

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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));
}

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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);
}

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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);
}

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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);
}

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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));
}

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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);
}

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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);
}

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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);
	}
}

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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 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));
}

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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);
}

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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);
}

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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);
}

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static void rk3328_integrated_phy_powerup(struct rk_priv_data *priv)
{
	regmap_write(priv->grf, RK3328_GRF_MACPHY_CON1,
		     RK3328_MACPHY_RMII_MODE);
}

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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));
}

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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);
}

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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);
}

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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);
	}
}

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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));
}

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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);
}

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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);
}

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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);
	}
}

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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));
}

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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);
}

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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);
}

Contributors
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Heiko Stübner
103
93.64%
1
50.00%
Roger Chen
7
6.36%
1
50.00%
Total
110
100.00%
2
100.00%



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);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Heiko Stübner
95
93.14%
1
50.00%
Roger Chen
7
6.86%
1
50.00%
Total
102
100.00%
2
100.00%


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 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);
}

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David Wu
55
100.00%
1
100.00%
Total
55
100.00%
1
100.00%



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);
	}
}

Contributors
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David Wu
102
100.00%
1
100.00%
Total
102
100.00%
1
100.00%


static const struct rk_gmac_ops rv1108_ops = {
	.set_to_rmii = rv1108_set_to_rmii,
	.set_rmii_speed = rv1108_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);
	}
}

Contributors
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David Wu
143
96.62%
1
50.00%
Roger Chen
5
3.38%
1
50.00%
Total
148
100.00%
2
100.00%



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);
}

Contributors
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David Wu
35
100.00%
1
100.00%
Total
35
100.00%
1
100.00%



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");
		}
	}

	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->integrated_phy) {
		bsp_priv->clk_phy = of_clk_get(plat->phy_node, 0);
		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;
}

Contributors
Person
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CommitProp
Roger Chen
272
73.91%
1
25.00%
David Wu
87
23.64%
1
25.00%
Romain Perier
8
2.17%
1
25.00%
Heiko Stübner
1
0.27%
1
25.00%
Total
368
100.00%
4
100.00%



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))
                         *      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) {
				if (!IS_ERR(bsp_priv->mac_clk_rx))
					clk_disable_unprepare(
						bsp_priv->mac_clk_rx);

				if (!IS_ERR(bsp_priv->clk_mac_ref))
					clk_disable_unprepare(
						bsp_priv->clk_mac_ref);

				if (!IS_ERR(bsp_priv->clk_mac_refout))
					clk_disable_unprepare(
						bsp_priv->clk_mac_refout);
			}

			if (!IS_ERR(bsp_priv->clk_phy))
				clk_disable_unprepare(bsp_priv->clk_phy);

			if (!IS_ERR(bsp_priv->aclk_mac))
				clk_disable_unprepare(bsp_priv->aclk_mac);

			if (!IS_ERR(bsp_priv->pclk_mac))
				clk_disable_unprepare(bsp_priv->pclk_mac);

			if (!IS_ERR(bsp_priv->mac_clk_tx))
				clk_disable_unprepare(bsp_priv->mac_clk_tx);
			/**
                         * if (!IS_ERR(bsp_priv->clk_mac))
                         *      clk_disable_unprepare(bsp_priv->clk_mac);
                         */
			bsp_priv->clk_enabled = false;
		}
	}

	return 0;
}

Contributors
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Roger Chen
289
89.47%
1
50.00%
David Wu
34
10.53%
1
50.00%
Total
323
100.00%
2
100.00%



static int 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) {
		dev_err(dev, "no regulator found\n");
		return -1;
	}

	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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Roger Chen
100
96.15%
1
33.33%
Romain Perier
4
3.85%
2
66.67%
Total
104
100.00%
3
100.00%



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->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");

	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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Roger Chen
312
68.27%
2
28.57%
David Wu
86
18.82%
1
14.29%
Romain Perier
45
9.85%
2
28.57%
Heiko Stübner
13
2.84%
1
14.29%
Joachim Eastwood
1
0.22%
1
14.29%
Total
457
100.00%
7
100.00%



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");
		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");
		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");
		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");
		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");
		bsp_priv->ops->set_to_rmii(bsp_priv);
		break;
	default:
		dev_err(dev, "NO interface defined!\n");
	}

	ret = phy_power_on(bsp_priv, true);
	if (ret)
		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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Roger Chen
92
41.26%
2
25.00%
Wadim Egorov
83
37.22%
1
12.50%
Heiko Stübner
24
10.76%
2
25.00%
David Wu
21
9.42%
2
25.00%
Romain Perier
3
1.35%
1
12.50%
Total
223
100.00%
8
100.00%



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);

	phy_power_on(gmac, false);
	gmac_clk_enable(gmac, false);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
David Wu
33
56.90%
2
66.67%
Vincent Palatin
25
43.10%
1
33.33%
Total
58
100.00%
3
100.00%



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:
		bsp_priv->ops->set_rgmii_speed(bsp_priv, speed);
		break;
	case PHY_INTERFACE_MODE_RMII:
		bsp_priv->ops->set_rmii_speed(bsp_priv, speed);
		break;
	default:
		dev_err(dev, "unsupported interface %d", bsp_priv->phy_iface);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Roger Chen
64
69.57%
1
33.33%
Wadim Egorov
20
21.74%
1
33.33%
Heiko Stübner
8
8.70%
1
33.33%
Total
92
100.00%
3
100.00%



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;

	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);

	plat_dat->has_gmac = true;
	plat_dat->fix_mac_speed = rk_fix_speed;

	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;
	}

	ret = rk_gmac_clk_init(plat_dat);
	if (ret)
		return ret;

	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;

	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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Joachim Eastwood
157
69.47%
5
50.00%
Johan Hovold
40
17.70%
2
20.00%
David Wu
16
7.08%
1
10.00%
Roger Chen
10
4.42%
1
10.00%
David S. Miller
3
1.33%
1
10.00%
Total
226
100.00%
10
100.00%



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);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Joachim Eastwood
43
100.00%
1
100.00%
Total
43
100.00%
1
100.00%

#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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Joachim Eastwood
54
100.00%
1
100.00%
Total
54
100.00%
1
100.00%



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);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Joachim Eastwood
47
100.00%
1
100.00%
Total
47
100.00%
1
100.00%

#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,rk3128-gmac", .data = &rk3128_ops },
	{ .compatible = "rockchip,rk3228-gmac", .data = &rk3228_ops },
	{ .compatible = "rockchip,rk3288-gmac", .data = &rk3288_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,rv1108-gmac", .data = &rv1108_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_AUTHOR("Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>");
MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer");
MODULE_LICENSE("GPL");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Roger Chen
2698
42.68%
3
10.00%
David Wu
1811
28.65%
7
23.33%
Heiko Stübner
610
9.65%
4
13.33%
Xing Zheng
488
7.72%
1
3.33%
Joachim Eastwood
422
6.68%
8
26.67%
Wadim Egorov
155
2.45%
1
3.33%
Romain Perier
67
1.06%
2
6.67%
Johan Hovold
40
0.63%
2
6.67%
Vincent Palatin
28
0.44%
1
3.33%
David S. Miller
3
0.05%
1
3.33%
Total
6322
100.00%
30
100.00%
Directory: drivers/net/ethernet/stmicro/stmmac

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