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>

2 files changed, 73 insertions, 21 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;
                 }
diff --git a/drivers/net/arm/at91_ether.h b/drivers/net/arm/at91_ether.h
index b6b665de2ea0..a38fd2d053a6 100644
--- a/drivers/net/arm/at91_ether.h
+++ b/drivers/net/arm/at91_ether.h
@@ -17,39 +17,46 @@
 
 
 /* Davicom 9161 PHY */
-#define MII_DM9161_ID   0x0181b880
-#define MII_DM9161A_ID  0x0181b8a0
-
-/* Davicom specific registers */
-#define MII_DSCR_REG    16
-#define MII_DSCSR_REG   17
-#define MII_DSINTR_REG  21
+#define MII_DM9161_ID           0x0181b880
+#define MII_DM9161A_ID          0x0181b8a0
+#define MII_DSCR_REG            16
+#define MII_DSCSR_REG           17
+#define MII_DSINTR_REG          21
 
 /* Intel LXT971A PHY */
-#define MII_LXT971A_ID  0x001378E0
-
-/* Intel specific registers */
-#define MII_ISINTE_REG  18
-#define MII_ISINTS_REG  19
-#define MII_LEDCTRL_REG 20
+#define MII_LXT971A_ID          0x001378E0
+#define MII_ISINTE_REG          18
+#define MII_ISINTS_REG          19
+#define MII_LEDCTRL_REG         20
 
 /* Realtek RTL8201 PHY */
-#define MII_RTL8201_ID  0x00008200
+#define MII_RTL8201_ID          0x00008200
 
 /* Broadcom BCM5221 PHY */
-#define MII_BCM5221_ID  0x004061e0
-
-/* Broadcom specific registers */
-#define MII_BCMINTR_REG 26
+#define MII_BCM5221_ID          0x004061e0
+#define MII_BCMINTR_REG         26
 
 /* National Semiconductor DP83847 */
-#define MII_DP83847_ID  0x20005c30
+#define MII_DP83847_ID          0x20005c30
+
+/* National Semiconductor DP83848 */
+#define MII_DP83848_ID          0x20005c90
+#define MII_DPPHYSTS_REG        16
+#define MII_DPMICR_REG          17
+#define MII_DPMISR_REG          18
 
 /* Altima AC101L PHY */
-#define MII_AC101L_ID   0x00225520
+#define MII_AC101L_ID           0x00225520
 
 /* Micrel KS8721 PHY */
-#define MII_KS8721_ID   0x00221610
+#define MII_KS8721_ID           0x00221610
+
+/* Teridian 78Q2123/78Q2133 */
+#define MII_T78Q21x3_ID         0x000e7230
+#define MII_T78Q21INT_REG       17
+
+/* SMSC LAN83C185 */
+#define MII_LAN83C185_ID        0x0007C0A0
 
 /* ........................................................................ */