diff options
| author | Yaniv Rosner <yanivr@broadcom.com> | 2012-04-04 01:28:56 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-04 18:24:22 -0400 |
| commit | 6a51c0d17b8fb6ae300ba5bc42a020160944e1b2 (patch) | |
| tree | 92867f5a1a5c3e17e791919a154d9a41903ca26e | |
| parent | ca05f29cf515ac4a8e162c8e0eee886727f5dcc7 (diff) | |
bnx2x: Fix BCM57810-KR AN speed transition
BCM57810-KR link may not come up in 1G after running loopback test, so set
the relevant registers to their default values before starting KR autoneg.
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>
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 8c00bbc94038..ce0b0c220e64 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3732,7 +3732,23 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, u16 val16 = 0, lane, bam37 = 0; struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n"); - + /* Set to default registers that may be overriden by 10G force */ + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_WC_REG_PAR_DET_10G_CTRL, 0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555); + bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, + MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_RX66_CONTROL, 0x7415); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190); /* Disable Autoneg: re-enable it after adv is done. */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0); @@ -4402,7 +4418,7 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, switch (serdes_net_if) { case PORT_HW_CFG_NET_SERDES_IF_KR: /* Enable KR Auto Neg */ - if (params->loopback_mode == LOOPBACK_NONE) + if (params->loopback_mode != LOOPBACK_EXT) bnx2x_warpcore_enable_AN_KR(phy, params, vars); else { DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n"); |