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AT91RM9200 Ethernet: Support additional PHYs
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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>
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Andrew Victor authored and Jeff Garzik committed May 8, 2007
1 parent 0b45d18 commit 6b4aea7
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Showing 2 changed files with 73 additions and 21 deletions.
45 changes: 45 additions & 0 deletions drivers/net/arm/at91_ether.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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);

Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
}
Expand Down Expand Up @@ -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;
}
Expand Down
49 changes: 28 additions & 21 deletions drivers/net/arm/at91_ether.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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

/* ........................................................................ */

Expand Down

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