net: eepro100: Add DM support
authorMarek Vasut <marek.vasut+renesas@gmail.com>
Sat, 23 May 2020 14:26:20 +0000 (16:26 +0200)
committerMarek Vasut <marek.vasut+renesas@gmail.com>
Thu, 18 Jun 2020 17:34:40 +0000 (19:34 +0200)
Add support for driver model to the driver.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
drivers/net/eepro100.c

index f47483255246335d2c29031ba06c1c00c0128caa..45ea3b70fcabdb8da63c942ff70baa74a781b950 100644 (file)
@@ -206,14 +206,21 @@ struct eepro100_priv {
        /* TX descriptor ring pointer */
        int                     tx_next;
        int                     tx_threshold;
+#ifdef CONFIG_DM_ETH
+       struct udevice          *devno;
+#else
        struct eth_device       dev;
        pci_dev_t               devno;
+#endif
        char                    *name;
        void __iomem            *iobase;
        u8                      *enetaddr;
 };
 
-#if defined(CONFIG_E500)
+#if defined(CONFIG_DM_ETH)
+#define bus_to_phys(dev, a)    dm_pci_mem_to_phys((dev), (a))
+#define phys_to_bus(dev, a)    dm_pci_phys_to_mem((dev), (a))
+#elif defined(CONFIG_E500)
 #define bus_to_phys(dev, a)    (a)
 #define phys_to_bus(dev, a)    (a)
 #else
@@ -771,6 +778,7 @@ done:
        return;
 }
 
+#ifndef CONFIG_DM_ETH
 static int eepro100_init(struct eth_device *dev, bd_t *bis)
 {
        struct eepro100_priv *priv =
@@ -888,3 +896,122 @@ int eepro100_initialize(bd_t *bis)
 
        return card_number;
 }
+
+#else  /* DM_ETH */
+static int eepro100_start(struct udevice *dev)
+{
+       struct eth_pdata *plat = dev_get_platdata(dev);
+       struct eepro100_priv *priv = dev_get_priv(dev);
+
+       memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr));
+
+       return eepro100_init_common(priv);
+}
+
+static void eepro100_stop(struct udevice *dev)
+{
+       struct eepro100_priv *priv = dev_get_priv(dev);
+
+       eepro100_halt_common(priv);
+}
+
+static int eepro100_send(struct udevice *dev, void *packet, int length)
+{
+       struct eepro100_priv *priv = dev_get_priv(dev);
+       int ret;
+
+       ret = eepro100_send_common(priv, packet, length);
+
+       return ret ? 0 : -ETIMEDOUT;
+}
+
+static int eepro100_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+       struct eepro100_priv *priv = dev_get_priv(dev);
+
+       return eepro100_recv_common(priv, packetp);
+}
+
+static int eepro100_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+       struct eepro100_priv *priv = dev_get_priv(dev);
+
+       eepro100_free_pkt_common(priv);
+
+       return 0;
+}
+
+static int eepro100_read_rom_hwaddr(struct udevice *dev)
+{
+       struct eepro100_priv *priv = dev_get_priv(dev);
+
+       eepro100_get_hwaddr(priv);
+
+       return 0;
+}
+
+static int eepro100_bind(struct udevice *dev)
+{
+       static int card_number;
+       char name[16];
+
+       sprintf(name, "eepro100#%u", card_number++);
+
+       return device_set_name(dev, name);
+}
+
+static int eepro100_probe(struct udevice *dev)
+{
+       struct eth_pdata *plat = dev_get_platdata(dev);
+       struct eepro100_priv *priv = dev_get_priv(dev);
+       u16 command, status;
+       u32 iobase;
+       int ret;
+
+       dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &iobase);
+       iobase &= ~0xf;
+
+       debug("eepro100: Intel i82559 PCI EtherExpressPro @0x%x\n", iobase);
+
+       priv->devno = dev;
+       priv->enetaddr = plat->enetaddr;
+       priv->iobase = (void __iomem *)bus_to_phys(dev, iobase);
+
+       command = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+       dm_pci_write_config16(dev, PCI_COMMAND, command);
+       dm_pci_read_config16(dev, PCI_COMMAND, &status);
+       if ((status & command) != command) {
+               printf("eepro100: Couldn't enable IO access or Bus Mastering\n");
+               return -EINVAL;
+       }
+
+       ret = eepro100_initialize_mii(priv);
+       if (ret)
+               return ret;
+
+       dm_pci_write_config8(dev, PCI_LATENCY_TIMER, 0x20);
+
+       return 0;
+}
+
+static const struct eth_ops eepro100_ops = {
+       .start          = eepro100_start,
+       .send           = eepro100_send,
+       .recv           = eepro100_recv,
+       .stop           = eepro100_stop,
+       .free_pkt       = eepro100_free_pkt,
+       .read_rom_hwaddr = eepro100_read_rom_hwaddr,
+};
+
+U_BOOT_DRIVER(eth_eepro100) = {
+       .name   = "eth_eepro100",
+       .id     = UCLASS_ETH,
+       .bind   = eepro100_bind,
+       .probe  = eepro100_probe,
+       .ops    = &eepro100_ops,
+       .priv_auto_alloc_size = sizeof(struct eepro100_priv),
+       .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};
+
+U_BOOT_PCI_DEVICE(eth_eepro100, supported);
+#endif