AT91RM9200 Ethernet: Support additional PHYs

Add support for a number of new PHY's in the AT91RM9200 Ethernet driver.
- Teridian 78Q21x3
- SMSC LAN83C185
  (Patch from Luca Gamma)
- National Semiconductor DP83848
  (Patches from Ivan Kuten & Thomas Foldesi)

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 152fa7a042b8..b9cb5cb4d97f 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -225,6 +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);
 
@@ -280,6 +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);
@@ -323,6 +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);
@@ -1062,10 +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;
 }
@@ -1103,8 +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;
                 }