2 files changed, 50 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 1c680ff51013..afcc593108ce 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1162,6 +1162,52 @@ static void tg3_mdio_fini(struct tg3 *tp)
         }
 }
 
+static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
+{
+        int err;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
+        if (err)
+                goto done;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
+        if (err)
+                goto done;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
+                           MII_TG3_MMD_CTRL_DATA_NOINC | devad);
+        if (err)
+                goto done;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, val);
+
+done:
+        return err;
+}
+
+static int tg3_phy_cl45_read(struct tg3 *tp, u32 devad, u32 addr, u32 *val)
+{
+        int err;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
+        if (err)
+                goto done;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
+        if (err)
+                goto done;
+
+        err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
+                           MII_TG3_MMD_CTRL_DATA_NOINC | devad);
+        if (err)
+                goto done;
+
+        err = tg3_readphy(tp, MII_TG3_MMD_ADDRESS, val);
+
+done:
+        return err;
+}
+
 /* tp->lock is held. */
 static inline void tg3_generate_fw_event(struct tg3 *tp)
 {
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 89553c42fd08..99fc30680217 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2061,6 +2061,10 @@
 #define  MII_TG3_CTRL_AS_MASTER         0x0800
 #define  MII_TG3_CTRL_ENABLE_AS_MASTER  0x1000
 
+#define MII_TG3_MMD_CTRL                0x0d /* MMD Access Control register */
+#define MII_TG3_MMD_CTRL_DATA_NOINC     0x4000
+#define MII_TG3_MMD_ADDRESS             0x0e /* MMD Address Data register */
+
 #define MII_TG3_EXT_CTRL                0x10 /* Extended control register */
 #define  MII_TG3_EXT_CTRL_FIFO_ELASTIC  0x0001
 #define  MII_TG3_EXT_CTRL_LNK3_LED_MODE 0x0002