r6040: define and use bits of register PHY_CC

Define and use the bits of the PHY_CC (status change configuration) register.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index afa4186..050cf59 100644 (file)
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -128,6 +128,9 @@
 #define MID_3M         0x82    /* MID3 Medium */
 #define MID_3H         0x84    /* MID3 High */
 #define PHY_CC         0x88    /* PHY status change configuration register */
+#define  SCEN          0x8000  /* PHY status change enable */
+#define  PHYAD_SHIFT   8       /* PHY address shift */
+#define  TMRDIV_SHIFT  0       /* Timer divider shift */
 #define PHY_ST         0x8A    /* PHY status register */
 #define MAC_SM         0xAC    /* MAC status machine */
 #define  MAC_SM_RST    0x0002  /* MAC status machine reset */
@@ -1132,10 +1135,15 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
                err = -EIO;
                goto err_out_free_res;
        }
+
        /* If PHY status change register is still set to zero it means the
-        * bootloader didn't initialize it */
+        * bootloader didn't initialize it, so we set it to:
+        * - enable phy status change
+        * - enable all phy addresses
+        * - set to lowest timer divider */
        if (ioread16(ioaddr + PHY_CC) == 0)
-               iowrite16(0x9f07, ioaddr + PHY_CC);
+               iowrite16(SCEN | PHY_MAX_ADDR << PHYAD_SHIFT |
+                               7 << TMRDIV_SHIFT, ioaddr + PHY_CC);
 
        /* Init system & device */
        lp->base = ioaddr;