setup and detect 2nd phy on MCF5275 in FEC driver

Added code to recognize the second interface on M5275 boards.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index ff7e449ad573..4e8df910c00d 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -1427,6 +1427,29 @@ static void __inline__ fec_request_intrs(struct net_device *dev)
                 *gpio_pehlpar = 0xc0;
         }
 #endif
+
+#if defined(CONFIG_M527x)
+        /* Set up gpio outputs for MII lines */
+        {
+                volatile u8 *gpio_par_fec;
+                volatile u16 *gpio_par_feci2c;
+
+                gpio_par_feci2c = (volatile u16 *)(MCF_IPSBAR + 0x100082);
+                /* Set up gpio outputs for FEC0 MII lines */
+                gpio_par_fec = (volatile u8 *)(MCF_IPSBAR + 0x100078);
+
+                *gpio_par_feci2c |= 0x0f00;
+                *gpio_par_fec |= 0xc0;
+
+#if defined(CONFIG_FEC2)
+                /* Set up gpio outputs for FEC1 MII lines */
+                gpio_par_fec = (volatile u8 *)(MCF_IPSBAR + 0x100079);
+
+                *gpio_par_feci2c |= 0x00a0;
+                *gpio_par_fec |= 0xc0;
+#endif /* CONFIG_FEC2 */
+        }
+#endif /* CONFIG_M527x */
 }
 
 static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep)