bnx2x: Enable FEC for 57810-KR

Enable FEC(Forward Error Correction) for 57810-KR to reduce link errors. 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>
git-mirror · Sep 15, 2011 · 6b1f390 · 6b1f390
1 parent c482e6c
commit 6b1f390
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diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
@@ -3624,6 +3624,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
 			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
 
+	/* Advertised and set FEC (Forward Error Correction) */
+	bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+			 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
+			 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
+			  MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
+
 	/* Enable CL37 BAM */
 	if (REG_RD(bp, params->shmem_base +
 		   offsetof(struct shmem_region, dev_info.

diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h
@@ -6853,6 +6853,9 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP			0x7
 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0	0x10
 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1	0x11
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2	0x12
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY	0x4000
+#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ		0x8000
 #define MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150  0x96
 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL		0x8000
 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1		0x800e