commit 157fa283a7cb5bc6a55dd4e0daf6eeef66adf354
author Yaniv Rosner <yanivr@broadcom.com> Tue Aug 02 22:59:32 2011 +0000
committer David S. Miller <davem@davemloft.net> Wed Aug 03 03:22:17 2011 -0700
tree 40c5e3948438124045acd346f4c0672a7c4a1df3
parent de6f3377d2da3b384ca3d716ffb8687ad175788a

bnx2x: Fix BCM578xx-B0 MDIO access

Fix MDIO access to Warpcore on new chip version of 578xx.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x/bnx2x_link.c

diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index 8e68e15..45255bd 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -2953,7 +2953,9 @@
 	u32 val;
 	u16 i;
 	int rc = 0;
-
+	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+			      EMAC_MDIO_STATUS_10MB);
 	/* address */
 	val = ((phy->addr << 21) | (devad << 16) | reg |
 	       EMAC_MDIO_COMM_COMMAND_ADDRESS |
@@ -3007,6 +3009,9 @@
 		}
 	}
 
+	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+			       EMAC_MDIO_STATUS_10MB);
 	return rc;
 }
 
@@ -3016,6 +3021,9 @@
 	u32 tmp;
 	u8 i;
 	int rc = 0;
+	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+		bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+			      EMAC_MDIO_STATUS_10MB);
 
 	/* address */
 
@@ -3069,7 +3077,9 @@
 			bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
 		}
 	}
-
+	if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
+		bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
+			       EMAC_MDIO_STATUS_10MB);
 	return rc;
 }
 
@@ -11118,6 +11128,8 @@
 		 */
 		if (CHIP_REV(bp) == CHIP_REV_Ax)
 			phy->flags |= FLAGS_MDC_MDIO_WA;
+		else
+			phy->flags |= FLAGS_MDC_MDIO_WA_B0;
 	} else {
 		switch (switch_cfg) {
 		case SWITCH_CFG_1G: