net: phy: add SMSC LAN8742 phy

[u-boot] / drivers / net / designware.c

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 6ef36bc8cbea7734178188537a793b30573acebb..e207bc63b837fbc60db485642f49613bd8f6b1f9 100644 (file)
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -230,14 +230,14 @@ static int _dw_write_hwaddr(struct dw_eth_dev *priv, u8 *mac_id)
        return 0;
 }
 
-static void dw_adjust_link(struct eth_mac_regs *mac_p,
-                          struct phy_device *phydev)
+static int dw_adjust_link(struct dw_eth_dev *priv, struct eth_mac_regs *mac_p,
+                         struct phy_device *phydev)
 {
        u32 conf = readl(&mac_p->conf) | FRAMEBURSTENABLE | DISABLERXOWN;
 
        if (!phydev->link) {
                printf("%s: No link.\n", phydev->dev->name);
-               return;
+               return 0;
        }
 
        if (phydev->speed != 1000)
@@ -256,6 +256,8 @@ static void dw_adjust_link(struct eth_mac_regs *mac_p,
        printf("Speed: %d, %s duplex%s\n", phydev->speed,
               (phydev->duplex) ? "full" : "half",
               (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
+
+       return 0;
 }
 
 static void _dw_eth_halt(struct dw_eth_dev *priv)
@@ -269,7 +271,7 @@ static void _dw_eth_halt(struct dw_eth_dev *priv)
        phy_shutdown(priv->phydev);
 }
 
-static int _dw_eth_init(struct dw_eth_dev *priv, u8 *enetaddr)
+int designware_eth_init(struct dw_eth_dev *priv, u8 *enetaddr)
 {
        struct eth_mac_regs *mac_p = priv->mac_regs_p;
        struct eth_dma_regs *dma_p = priv->dma_regs_p;
@@ -321,7 +323,16 @@ static int _dw_eth_init(struct dw_eth_dev *priv, u8 *enetaddr)
                return ret;
        }
 
-       dw_adjust_link(mac_p, priv->phydev);
+       ret = dw_adjust_link(priv, mac_p, priv->phydev);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+int designware_eth_enable(struct dw_eth_dev *priv)
+{
+       struct eth_mac_regs *mac_p = priv->mac_regs_p;
 
        if (!priv->phydev->link)
                return -EIO;
@@ -480,7 +491,13 @@ static int dw_phy_init(struct dw_eth_dev *priv, void *dev)
 #ifndef CONFIG_DM_ETH
 static int dw_eth_init(struct eth_device *dev, bd_t *bis)
 {
-       return _dw_eth_init(dev->priv, dev->enetaddr);
+       int ret;
+
+       ret = designware_eth_init(dev->priv, dev->enetaddr);
+       if (!ret)
+               ret = designware_eth_enable(dev->priv);
+
+       return ret;
 }
 
 static int dw_eth_send(struct eth_device *dev, void *packet, int length)
@@ -571,40 +588,48 @@ int designware_initialize(ulong base_addr, u32 interface)
 static int designware_eth_start(struct udevice *dev)
 {
        struct eth_pdata *pdata = dev_get_platdata(dev);
+       struct dw_eth_dev *priv = dev_get_priv(dev);
+       int ret;
 
-       return _dw_eth_init(dev->priv, pdata->enetaddr);
+       ret = designware_eth_init(priv, pdata->enetaddr);
+       if (ret)
+               return ret;
+       ret = designware_eth_enable(priv);
+       if (ret)
+               return ret;
+
+       return 0;
 }
 
-static int designware_eth_send(struct udevice *dev, void *packet, int length)
+int designware_eth_send(struct udevice *dev, void *packet, int length)
 {
        struct dw_eth_dev *priv = dev_get_priv(dev);
 
        return _dw_eth_send(priv, packet, length);
 }
 
-static int designware_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+int designware_eth_recv(struct udevice *dev, int flags, uchar **packetp)
 {
        struct dw_eth_dev *priv = dev_get_priv(dev);
 
        return _dw_eth_recv(priv, packetp);
 }
 
-static int designware_eth_free_pkt(struct udevice *dev, uchar *packet,
-                                  int length)
+int designware_eth_free_pkt(struct udevice *dev, uchar *packet, int length)
 {
        struct dw_eth_dev *priv = dev_get_priv(dev);
 
        return _dw_free_pkt(priv);
 }
 
-static void designware_eth_stop(struct udevice *dev)
+void designware_eth_stop(struct udevice *dev)
 {
        struct dw_eth_dev *priv = dev_get_priv(dev);
 
        return _dw_eth_halt(priv);
 }
 
-static int designware_eth_write_hwaddr(struct udevice *dev)
+int designware_eth_write_hwaddr(struct udevice *dev)
 {
        struct eth_pdata *pdata = dev_get_platdata(dev);
        struct dw_eth_dev *priv = dev_get_priv(dev);
@@ -738,6 +763,7 @@ static const struct udevice_id designware_eth_ids[] = {
        { .compatible = "allwinner,sun7i-a20-gmac" },
        { .compatible = "altr,socfpga-stmmac" },
        { .compatible = "amlogic,meson6-dwmac" },
+       { .compatible = "st,stm32-dwmac" },
        { }
 };