AT91RM9200 Ethernet: Support additional PHYs

[linux-2.6-omap-h63xx.git] / drivers / net / arm / at91_ether.c

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 58da5b77335063deb6329c93e21e044b00604e18..b9cb5cb4d97f14f2ce477762918a871237db19f2 100644 (file)
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -41,7 +41,6 @@
 #define DRV_NAME       "at91_ether"
 #define DRV_VERSION    "1.0"
 
-static struct timer_list check_timer;
 #define LINK_POLL_INTERVAL     (HZ)
 
 /* ..................................................................... */
@@ -226,6 +225,16 @@ static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id)
                if (!(phy & ((1 << 2) | 1)))
                        goto done;
        }
+       else if (lp->phy_type == MII_T78Q21x3_ID) {                     /* ack interrupt in Teridian PHY */
+               read_phy(lp->phy_address, MII_T78Q21INT_REG, &phy);
+               if (!(phy & ((1 << 2) | 1)))
+                       goto done;
+       }
+       else if (lp->phy_type == MII_DP83848_ID) {
+               read_phy(lp->phy_address, MII_DPPHYSTS_REG, &phy);      /* ack interrupt in DP83848 PHY */
+               if (!(phy & (1 << 7)))
+                       goto done;
+       }
 
        update_linkspeed(dev, 0);
 
@@ -250,8 +259,7 @@ static void enable_phyirq(struct net_device *dev)
                 * PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L),
                 * or board does not have it connected.
                 */
-               check_timer.expires = jiffies + LINK_POLL_INTERVAL;
-               add_timer(&check_timer);
+               mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
                return;
        }
 
@@ -282,6 +290,19 @@ static void enable_phyirq(struct net_device *dev)
                dsintr = (1 << 10) | ( 1 << 8);
                write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
        }
+       else if (lp->phy_type == MII_T78Q21x3_ID) {     /* for Teridian PHY */
+               read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr);
+               dsintr = dsintr | 0x500;                /* set bits 8, 10 */
+               write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr);
+       }
+       else if (lp->phy_type == MII_DP83848_ID) {      /* National Semiconductor DP83848 PHY */
+               read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr);
+               dsintr = dsintr | 0x3c;                 /* set bits 2..5 */
+               write_phy(lp->phy_address, MII_DPMISR_REG, dsintr);
+               read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr);
+               dsintr = dsintr | 0x3;                  /* set bits 0,1 */
+               write_phy(lp->phy_address, MII_DPMICR_REG, dsintr);
+       }
 
        disable_mdi();
        spin_unlock_irq(&lp->lock);
@@ -298,7 +319,7 @@ static void disable_phyirq(struct net_device *dev)
 
        irq_number = lp->board_data.phy_irq_pin;
        if (!irq_number) {
-               del_timer_sync(&check_timer);
+               del_timer_sync(&lp->check_timer);
                return;
        }
 
@@ -325,6 +346,19 @@ static void disable_phyirq(struct net_device *dev)
                dsintr = ~((1 << 10) | (1 << 8));
                write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
        }
+       else if (lp->phy_type == MII_T78Q21x3_ID) {     /* for Teridian PHY */
+               read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr);
+               dsintr = dsintr & ~0x500;                       /* clear bits 8, 10 */
+               write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr);
+       }
+       else if (lp->phy_type == MII_DP83848_ID) {      /* National Semiconductor DP83848 PHY */
+               read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr);
+               dsintr = dsintr & ~0x3;                         /* clear bits 0, 1 */
+               write_phy(lp->phy_address, MII_DPMICR_REG, dsintr);
+               read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr);
+               dsintr = dsintr & ~0x3c;                        /* clear bits 2..5 */
+               write_phy(lp->phy_address, MII_DPMISR_REG, dsintr);
+       }
 
        disable_mdi();
        spin_unlock_irq(&lp->lock);
@@ -360,13 +394,13 @@ static void reset_phy(struct net_device *dev)
 static void at91ether_check_link(unsigned long dev_id)
 {
        struct net_device *dev = (struct net_device *) dev_id;
+       struct at91_private *lp = netdev_priv(dev);
 
        enable_mdi();
        update_linkspeed(dev, 1);
        disable_mdi();
 
-       check_timer.expires = jiffies + LINK_POLL_INTERVAL;
-       add_timer(&check_timer);
+       mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
 }
 
 /* ......................... ADDRESS MANAGEMENT ........................ */
@@ -643,7 +677,7 @@ static void at91ether_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo
 {
        strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
        strlcpy(info->version, DRV_VERSION, sizeof(info->version));
-       strlcpy(info->bus_info, dev->class_dev.dev->bus_id, sizeof(info->bus_info));
+       strlcpy(info->bus_info, dev->dev.parent->bus_id, sizeof(info->bus_info));
 }
 
 static const struct ethtool_ops at91ether_ethtool_ops = {
@@ -855,14 +889,12 @@ static void at91ether_rx(struct net_device *dev)
        while (dlist->descriptors[lp->rxBuffIndex].addr & EMAC_DESC_DONE) {
                p_recv = dlist->recv_buf[lp->rxBuffIndex];
                pktlen = dlist->descriptors[lp->rxBuffIndex].size & 0x7ff;      /* Length of frame including FCS */
-               skb = alloc_skb(pktlen + 2, GFP_ATOMIC);
+               skb = dev_alloc_skb(pktlen + 2);
                if (skb != NULL) {
                        skb_reserve(skb, 2);
                        memcpy(skb_put(skb, pktlen), p_recv, pktlen);
 
-                       skb->dev = dev;
                        skb->protocol = eth_type_trans(skb, dev);
-                       skb->len = pktlen;
                        dev->last_rx = jiffies;
                        lp->stats.rx_bytes += pktlen;
                        netif_rx(skb);
@@ -925,6 +957,17 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void at91ether_poll_controller(struct net_device *dev)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+       at91ether_interrupt(dev->irq, dev);
+       local_irq_restore(flags);
+}
+#endif
+
 /*
  * Initialize the ethernet interface
  */
@@ -974,6 +1017,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
        dev->set_mac_address = set_mac_address;
        dev->ethtool_ops = &at91ether_ethtool_ops;
        dev->do_ioctl = at91ether_ioctl;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       dev->poll_controller = at91ether_poll_controller;
+#endif
 
        SET_NETDEV_DEV(dev, &pdev->dev);
 
@@ -1030,9 +1076,9 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
 
        /* If board has no PHY IRQ, use a timer to poll the PHY */
        if (!lp->board_data.phy_irq_pin) {
-               init_timer(&check_timer);
-               check_timer.data = (unsigned long)dev;
-               check_timer.function = at91ether_check_link;
+               init_timer(&lp->check_timer);
+               lp->check_timer.data = (unsigned long)dev;
+               lp->check_timer.function = at91ether_check_link;
        }
 
        /* Display ethernet banner */
@@ -1052,10 +1098,16 @@ static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_add
                printk(KERN_INFO "%s: Broadcom BCM5221 PHY\n", dev->name);
        else if (phy_type == MII_DP83847_ID)
                printk(KERN_INFO "%s: National Semiconductor DP83847 PHY\n", dev->name);
+       else if (phy_type == MII_DP83848_ID)
+               printk(KERN_INFO "%s: National Semiconductor DP83848 PHY\n", dev->name);
        else if (phy_type == MII_AC101L_ID)
                printk(KERN_INFO "%s: Altima AC101L PHY\n", dev->name);
        else if (phy_type == MII_KS8721_ID)
                printk(KERN_INFO "%s: Micrel KS8721 PHY\n", dev->name);
+       else if (phy_type == MII_T78Q21x3_ID)
+               printk(KERN_INFO "%s: Teridian 78Q21x3 PHY\n", dev->name);
+       else if (phy_type == MII_LAN83C185_ID)
+               printk(KERN_INFO "%s: SMSC LAN83C185 PHY\n", dev->name);
 
        return 0;
 }
@@ -1093,8 +1145,11 @@ static int __init at91ether_probe(struct platform_device *pdev)
                        case MII_RTL8201_ID:            /* Realtek RTL8201: PHY_ID1 = 0, PHY_ID2 = 0x8201 */
                        case MII_BCM5221_ID:            /* Broadcom BCM5221: PHY_ID1 = 0x40, PHY_ID2 = 0x61e0 */
                        case MII_DP83847_ID:            /* National Semiconductor DP83847:  */
+                       case MII_DP83848_ID:            /* National Semiconductor DP83848:  */
                        case MII_AC101L_ID:             /* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */
                        case MII_KS8721_ID:             /* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */
+                       case MII_T78Q21x3_ID:           /* Teridian 78Q21x3: PHY_ID1 = 0x0E, PHY_ID2 = 7237 */
+                       case MII_LAN83C185_ID:          /* SMSC LAN83C185: PHY_ID1 = 0x0007, PHY_ID2 = 0xC0A1 */
                                detected = at91ether_setup(phy_id, phy_address, pdev, ether_clk);
                                break;
                }