serial: add BCM283x mini UART driver
[oweals/u-boot.git] / drivers / net / xilinx_axi_emac.c
index c03f8f730d3a97ec91193e76ad390f02fe552681..81274ee13bca869567ecc3986f4f90fe8c071f7d 100644 (file)
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if !defined(CONFIG_PHYLIB)
-# error AXI_ETHERNET requires PHYLIB
-#endif
-
 /* Link setup */
 #define XAE_EMMC_LINKSPEED_MASK        0xC0000000 /* Link speed */
 #define XAE_EMMC_LINKSPD_10    0x00000000 /* Link Speed mask for 10 Mbit */
@@ -221,11 +217,10 @@ static u32 phywrite(struct axidma_priv *priv, u32 phyaddress, u32 registernum,
        return 0;
 }
 
-/* Setting axi emac and phy to proper setting */
-static int setup_phy(struct udevice *dev)
+static int axiemac_phy_init(struct udevice *dev)
 {
        u16 phyreg;
-       u32 i, speed, emmc_reg, ret;
+       u32 i, ret;
        struct axidma_priv *priv = dev_get_priv(dev);
        struct axi_regs *regs = priv->iobase;
        struct phy_device *phydev;
@@ -237,6 +232,9 @@ static int setup_phy(struct udevice *dev)
                        SUPPORTED_1000baseT_Half |
                        SUPPORTED_1000baseT_Full;
 
+       /* Set default MDIO divisor */
+       out_be32(&regs->mdio_mc, XAE_MDIO_DIV_DFT | XAE_MDIO_MC_MDIOEN_MASK);
+
        if (priv->phyaddr == -1) {
                /* Detect the PHY address */
                for (i = 31; i >= 0; i--) {
@@ -259,6 +257,18 @@ static int setup_phy(struct udevice *dev)
        phydev->advertising = phydev->supported;
        priv->phydev = phydev;
        phy_config(phydev);
+
+       return 0;
+}
+
+/* Setting axi emac and phy to proper setting */
+static int setup_phy(struct udevice *dev)
+{
+       u32 speed, emmc_reg;
+       struct axidma_priv *priv = dev_get_priv(dev);
+       struct axi_regs *regs = priv->iobase;
+       struct phy_device *phydev = priv->phydev;
+
        if (phy_startup(phydev)) {
                printf("axiemac: could not initialize PHY %s\n",
                       phydev->dev->name);
@@ -302,7 +312,7 @@ static int setup_phy(struct udevice *dev)
 }
 
 /* STOP DMA transfers */
-static void axiemac_halt(struct udevice *dev)
+static void axiemac_stop(struct udevice *dev)
 {
        struct axidma_priv *priv = dev_get_priv(dev);
        u32 temp;
@@ -362,7 +372,7 @@ static int axi_ethernet_init(struct axidma_priv *priv)
        return 0;
 }
 
-static int axiemac_setup_mac(struct udevice *dev)
+static int axiemac_write_hwaddr(struct udevice *dev)
 {
        struct eth_pdata *pdata = dev_get_platdata(dev);
        struct axidma_priv *priv = dev_get_priv(dev);
@@ -402,7 +412,7 @@ static void axi_dma_init(struct axidma_priv *priv)
                printf("%s: Timeout\n", __func__);
 }
 
-static int axiemac_init(struct udevice *dev)
+static int axiemac_start(struct udevice *dev)
 {
        struct axidma_priv *priv = dev_get_priv(dev);
        struct axi_regs *regs = priv->iobase;
@@ -456,7 +466,7 @@ static int axiemac_init(struct udevice *dev)
 
        /* PHY setup */
        if (!setup_phy(dev)) {
-               axiemac_halt(dev);
+               axiemac_stop(dev);
                return -1;
        }
 
@@ -557,9 +567,14 @@ static int axiemac_recv(struct udevice *dev, int flags, uchar **packetp)
 #ifdef DEBUG
        print_buffer(&rxframe, &rxframe[0], 1, length, 16);
 #endif
-       /* Pass the received frame up for processing */
-       if (length)
-               net_process_received_packet(rxframe, length);
+
+       *packetp = rxframe;
+       return length;
+}
+
+static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+       struct axidma_priv *priv = dev_get_priv(dev);
 
 #ifdef DEBUG
        /* It is useful to clear buffer to be sure that it is consistent */
@@ -621,6 +636,8 @@ static int axi_emac_probe(struct udevice *dev)
        if (ret)
                return ret;
 
+       axiemac_phy_init(dev);
+
        return 0;
 }
 
@@ -636,11 +653,12 @@ static int axi_emac_remove(struct udevice *dev)
 }
 
 static const struct eth_ops axi_emac_ops = {
-       .start                  = axiemac_init,
+       .start                  = axiemac_start,
        .send                   = axiemac_send,
        .recv                   = axiemac_recv,
-       .stop                   = axiemac_halt,
-       .write_hwaddr           = axiemac_setup_mac,
+       .free_pkt               = axiemac_free_pkt,
+       .stop                   = axiemac_stop,
+       .write_hwaddr           = axiemac_write_hwaddr,
 };
 
 static int axi_emac_ofdata_to_platdata(struct udevice *dev)