Merge branch 'update-stmmac-fix_mac_speed'

Shenwei Wang says:

====================
update stmmac fix_mac_speed
====================

Link: https://lore.kernel.org/r/20230807160716.259072-1-shenwei.wang@nxp.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c

@@ -178,7 +178,7 @@ static void dwc_qos_remove(struct platform_device *pdev)
 #define AUTO_CAL_STATUS 0x880c
 #define  AUTO_CAL_STATUS_ACTIVE BIT(31)
 
-static void tegra_eqos_fix_speed(void *priv, unsigned int speed)
+static void tegra_eqos_fix_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct tegra_eqos *eqos = priv;
 	unsigned long rate = 125000000;

drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c

@@ -31,6 +31,7 @@
 #define GPR_ENET_QOS_RGMII_EN		(0x1 << 21)
 
 #define MX93_GPR_ENET_QOS_INTF_MODE_MASK	GENMASK(3, 0)
+#define MX93_GPR_ENET_QOS_INTF_MASK		GENMASK(3, 1)
 #define MX93_GPR_ENET_QOS_INTF_SEL_MII		(0x0 << 1)
 #define MX93_GPR_ENET_QOS_INTF_SEL_RMII		(0x4 << 1)
 #define MX93_GPR_ENET_QOS_INTF_SEL_RGMII	(0x1 << 1)
@@ -39,6 +40,7 @@
 #define DMA_BUS_MODE			0x00001000
 #define DMA_BUS_MODE_SFT_RESET		(0x1 << 0)
 #define RMII_RESET_SPEED		(0x3 << 14)
+#define CTRL_SPEED_MASK			GENMASK(15, 14)
 
 struct imx_dwmac_ops {
 	u32 addr_width;
@@ -47,6 +49,7 @@ struct imx_dwmac_ops {
 
 	int (*fix_soc_reset)(void *priv, void __iomem *ioaddr);
 	int (*set_intf_mode)(struct plat_stmmacenet_data *plat_dat);
+	void (*fix_mac_speed)(void *priv, unsigned int speed, unsigned int mode);
 };
 
 struct imx_priv_data {
@@ -56,6 +59,7 @@ struct imx_priv_data {
 	struct regmap *intf_regmap;
 	u32 intf_reg_off;
 	bool rmii_refclk_ext;
+	void __iomem *base_addr;
 
 	const struct imx_dwmac_ops *ops;
 	struct plat_stmmacenet_data *plat_dat;
@@ -178,7 +182,7 @@ static void imx_dwmac_exit(struct platform_device *pdev, void *priv)
 	/* nothing to do now */
 }
 
-static void imx_dwmac_fix_speed(void *priv, unsigned int speed)
+static void imx_dwmac_fix_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct plat_stmmacenet_data *plat_dat;
 	struct imx_priv_data *dwmac = priv;
@@ -212,6 +216,41 @@ static void imx_dwmac_fix_speed(void *priv, unsigned int speed)
 		dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
 }
 
+static void imx93_dwmac_fix_speed(void *priv, unsigned int speed, unsigned int mode)
+{
+	struct imx_priv_data *dwmac = priv;
+	unsigned int iface;
+	int ctrl, old_ctrl;
+
+	imx_dwmac_fix_speed(priv, speed, mode);
+
+	if (!dwmac || mode != MLO_AN_FIXED)
+		return;
+
+	if (regmap_read(dwmac->intf_regmap, dwmac->intf_reg_off, &iface))
+		return;
+
+	iface &= MX93_GPR_ENET_QOS_INTF_MASK;
+	if (iface != MX93_GPR_ENET_QOS_INTF_SEL_RGMII)
+		return;
+
+	old_ctrl = readl(dwmac->base_addr + MAC_CTRL_REG);
+	ctrl = old_ctrl & ~CTRL_SPEED_MASK;
+	regmap_update_bits(dwmac->intf_regmap, dwmac->intf_reg_off,
+			   MX93_GPR_ENET_QOS_INTF_MODE_MASK, 0);
+	writel(ctrl, dwmac->base_addr + MAC_CTRL_REG);
+
+	 /* Ensure the settings for CTRL are applied. */
+	readl(dwmac->base_addr + MAC_CTRL_REG);
+
+	usleep_range(10, 20);
+	iface |= MX93_GPR_ENET_QOS_CLK_GEN_EN;
+	regmap_update_bits(dwmac->intf_regmap, dwmac->intf_reg_off,
+			   MX93_GPR_ENET_QOS_INTF_MODE_MASK, iface);
+
+	writel(old_ctrl, dwmac->base_addr + MAC_CTRL_REG);
+}
+
 static int imx_dwmac_mx93_reset(void *priv, void __iomem *ioaddr)
 {
 	struct plat_stmmacenet_data *plat_dat = priv;
@@ -322,6 +361,7 @@ static int imx_dwmac_probe(struct platform_device *pdev)
 	plat_dat->fix_mac_speed = imx_dwmac_fix_speed;
 	plat_dat->bsp_priv = dwmac;
 	dwmac->plat_dat = plat_dat;
+	dwmac->base_addr = stmmac_res.addr;
 
 	ret = imx_dwmac_clks_config(dwmac, true);
 	if (ret)
@@ -331,6 +371,8 @@ static int imx_dwmac_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_dwmac_init;
 
+	if (dwmac->ops->fix_mac_speed)
+		plat_dat->fix_mac_speed = dwmac->ops->fix_mac_speed;
 	dwmac->plat_dat->fix_soc_reset = dwmac->ops->fix_soc_reset;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
@@ -368,6 +410,7 @@ static struct imx_dwmac_ops imx93_dwmac_data = {
 	.mac_rgmii_txclk_auto_adj = true,
 	.set_intf_mode = imx93_set_intf_mode,
 	.fix_soc_reset = imx_dwmac_mx93_reset,
+	.fix_mac_speed = imx93_dwmac_fix_speed,
 };
 
 static const struct of_device_id imx_dwmac_match[] = {

drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c

@@ -22,13 +22,13 @@ struct intel_dwmac {
 };
 
 struct intel_dwmac_data {
-	void (*fix_mac_speed)(void *priv, unsigned int speed);
+	void (*fix_mac_speed)(void *priv, unsigned int speed, unsigned int mode);
 	unsigned long ptp_ref_clk_rate;
 	unsigned long tx_clk_rate;
 	bool tx_clk_en;
 };
 
-static void kmb_eth_fix_mac_speed(void *priv, unsigned int speed)
+static void kmb_eth_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct intel_dwmac *dwmac = priv;
 	unsigned long rate;

drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c

@@ -257,7 +257,7 @@ static int ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
 	return PTR_ERR_OR_ZERO(gmac->qsgmii_csr);
 }
 
-static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed)
+static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct ipq806x_gmac *gmac = priv;
 

drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c

@@ -22,7 +22,7 @@ struct meson_dwmac {
 	void __iomem	*reg;
 };
 
-static void meson6_dwmac_fix_mac_speed(void *priv, unsigned int speed)
+static void meson6_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct meson_dwmac *dwmac = priv;
 	unsigned int val;

drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c

@@ -630,7 +630,7 @@ static int ethqos_configure(struct qcom_ethqos *ethqos)
 	return ethqos->configure_func(ethqos);
 }
 
-static void ethqos_fix_mac_speed(void *priv, unsigned int speed)
+static void ethqos_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct qcom_ethqos *ethqos = priv;
 

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

@@ -1785,7 +1785,7 @@ static void rk_gmac_powerdown(struct rk_priv_data *gmac)
 	gmac_clk_enable(gmac, false);
 }
 
-static void rk_fix_speed(void *priv, unsigned int speed)
+static void rk_fix_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct rk_priv_data *bsp_priv = priv;
 	struct device *dev = &bsp_priv->pdev->dev;

drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c

@@ -61,7 +61,7 @@ struct socfpga_dwmac {
 	struct mdio_device *pcs_mdiodev;
 };
 
-static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
+static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct socfpga_dwmac *dwmac = (struct socfpga_dwmac *)priv;
 	void __iomem *splitter_base = dwmac->splitter_base;

drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c

@@ -24,7 +24,7 @@ struct starfive_dwmac {
 	struct clk *clk_tx;
 };
 
-static void starfive_dwmac_fix_mac_speed(void *priv, unsigned int speed)
+static void starfive_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct starfive_dwmac *dwmac = priv;
 	unsigned long rate;

drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c

@@ -103,11 +103,11 @@ struct sti_dwmac {
 	struct regmap *regmap;
 	bool gmac_en;
 	u32 speed;
-	void (*fix_retime_src)(void *priv, unsigned int speed);
+	void (*fix_retime_src)(void *priv, unsigned int speed, unsigned int mode);
 };
 
 struct sti_dwmac_of_data {
-	void (*fix_retime_src)(void *priv, unsigned int speed);
+	void (*fix_retime_src)(void *priv, unsigned int speed, unsigned int mode);
 };
 
 static u32 phy_intf_sels[] = {
@@ -135,7 +135,7 @@ static u32 stih4xx_tx_retime_val[] = {
 				 | STIH4XX_ETH_SEL_INTERNAL_NOTEXT_PHYCLK,
 };
 
-static void stih4xx_fix_retime_src(void *priv, u32 spd)
+static void stih4xx_fix_retime_src(void *priv, u32 spd, unsigned int mode)
 {
 	struct sti_dwmac *dwmac = priv;
 	u32 src = dwmac->tx_retime_src;
@@ -187,7 +187,7 @@ static int sti_dwmac_set_mode(struct sti_dwmac *dwmac)
 	val = (iface == PHY_INTERFACE_MODE_REVMII) ? 0 : ENMII;
 	regmap_update_bits(regmap, reg, ENMII_MASK, val);
 
-	dwmac->fix_retime_src(dwmac, dwmac->speed);
+	dwmac->fix_retime_src(dwmac, dwmac->speed, 0);
 
 	return 0;
 }

drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c

@@ -72,7 +72,7 @@ static void sun7i_gmac_exit(struct platform_device *pdev, void *priv)
 		regulator_disable(gmac->regulator);
 }
 
-static void sun7i_fix_speed(void *priv, unsigned int speed)
+static void sun7i_fix_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct sunxi_priv_data *gmac = priv;
 

drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c

@@ -54,7 +54,7 @@ struct visconti_eth {
 	spinlock_t lock; /* lock to protect register update */
 };
 
-static void visconti_eth_fix_mac_speed(void *priv, unsigned int speed)
+static void visconti_eth_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct visconti_eth *dwmac = priv;
 	struct net_device *netdev = dev_get_drvdata(dwmac->dev);

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -1064,7 +1064,7 @@ static void stmmac_mac_link_up(struct phylink_config *config,
 	priv->speed = speed;
 
 	if (priv->plat->fix_mac_speed)
-		priv->plat->fix_mac_speed(priv->plat->bsp_priv, speed);
+		priv->plat->fix_mac_speed(priv->plat->bsp_priv, speed, mode);
 
 	if (!duplex)
 		ctrl &= ~priv->hw->link.duplex;

include/linux/stmmac.h

@@ -256,7 +256,7 @@ struct plat_stmmacenet_data {
 	u8 tx_sched_algorithm;
 	struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
 	struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES];
-	void (*fix_mac_speed)(void *priv, unsigned int speed);
+	void (*fix_mac_speed)(void *priv, unsigned int speed, unsigned int mode);
 	int (*fix_soc_reset)(void *priv, void __iomem *ioaddr);
 	int (*serdes_powerup)(struct net_device *ndev, void *priv);
 	void (*serdes_powerdown)(struct net_device *ndev, void *priv);